阅读说明：本技术 天线装置及移动终端 (Antenna device and mobile terminal ) 是由 王珅 于 2021-09-22 设计创作，主要内容包括：本申请公开了一种天线装置及移动终端,涉及通信领域。所述天线装置包括第一馈电部件、第二馈电部件和辐射体；所述第一馈电部件和所述第二馈电部件的工作频段不同；其中,所述辐射体包括彼此间相互分离的第一辐射体、第二辐射体和第三辐射体；其中,所述第一馈电部件与所述第一辐射体、所述第二辐射体和所述第三辐射体中的一个辐射体相导通,所述第二馈电部件与所述第一辐射体、所述第二辐射体和所述第三辐射体中的另一个辐射体相导通,使得所述第一馈电部件对应的第一天线和所述第二馈电部件对应的第二天线中的指定天线的性能变得更优。(The application discloses an antenna device and a mobile terminal, and relates to the field of communication. The antenna device comprises a first feed component, a second feed component and a radiator; the working frequency bands of the first feed part and the second feed part are different; the radiator comprises a first radiator, a second radiator and a third radiator which are mutually separated; the first feed component is conducted with one radiator among the first radiator, the second radiator and the third radiator, and the second feed component is conducted with the other radiator among the first radiator, the second radiator and the third radiator, so that the performance of a specific antenna in a first antenna corresponding to the first feed component and a second antenna corresponding to the second feed component becomes better.)

1. An antenna device, characterized in that the antenna device comprises a first feeding means, a second feeding means and a radiator; the working frequency bands of the first feed part and the second feed part are different;

the radiator comprises a first radiator, a second radiator and a third radiator, wherein the first radiator, the second radiator and the third radiator are mutually separated;

the first feed component is conducted with one radiator among the first radiator, the second radiator and the third radiator, and the second feed component is conducted with the other radiator among the first radiator, the second radiator and the third radiator, so that the performance of a specific antenna in a first antenna corresponding to the first feed component and a second antenna corresponding to the second feed component becomes better.

2. The antenna device according to claim 1, characterized in that the antenna device further comprises a first switch member and a second switch member;

the first end of the first switch component is connected with the first feed component, the second end of the first switch component is connected with the first radiator, and the third end of the first switch component is connected with the second radiator;

the first end of the second switch component is connected with the second feed component, the second end of the second switch component is connected with the first radiator, and the third end of the second switch component is connected with the second radiator;

under the condition that a first preset condition is met, the first feed part is conducted with a first target radiating body, and the second feed part is conducted with a second target radiating body;

under the condition that a second preset condition is met, the first feed part is conducted with the second target radiating body, and the second feed part is conducted with the first target radiating body;

the first target radiator is one of the first radiator and the second radiator, and the second target radiator is the other of the first radiator and the second radiator.

3. The antenna device according to claim 2, characterized in that it further comprises a voltage detector, a first end of which is connected with said first feeding means and a second end of which is connected with said first end of said first switching means;

wherein the first preset condition comprises at least one of: the change value of the input and output voltage detected by the voltage detector is less than a threshold value; the antenna device is in an initial state;

the second preset condition includes: the change value of the input and output voltage detected by the voltage detector is greater than or equal to a threshold value.

4. The antenna device according to claim 1, characterized in that the antenna device further comprises a first switch member and a second switch member;

the first end of the first switch component is connected with the first feed component, the second end of the first switch component is connected with the first radiator, and the third end of the first switch component is connected with the second radiator;

the first end of the second switch component is connected with the second feed component, the second end of the second switch component is connected with the third radiator, and the third end of the second switch component is connected with the third radiator;

the third radiator is arranged between the first radiator and the second radiator, and the third radiator is provided with a first end close to the first radiator and a second end close to the second radiator;

under the condition that a first target condition is met, the first feed part is conducted with the first radiating body, and the second feed part is conducted with the first end of the third radiating body;

and under the condition that a second target condition is met, the first feed part is conducted with the second radiator, and the second feed part is conducted with the second end of the third radiator.

5. The antenna device according to claim 4,

the antenna device further comprises a voltage detector, wherein a first end of the voltage detector is connected with the first feeding component, and a second end of the voltage detector is connected with the first end of the first switching component;

wherein the first target condition comprises at least one of: the change value of the input and output voltage detected by the voltage detector is less than a threshold value; the antenna device is in an initial state;

the second target condition includes: the change value of the input and output voltage detected by the voltage detector is greater than or equal to a threshold value.

6. A mobile terminal, characterized in that it comprises an antenna arrangement according to any of claims 1-5.

7. The mobile terminal of claim 6, wherein the first radiator, the second radiator and the third radiator are disposed on a frame of the mobile terminal, the frame comprising a first side, a second side and a connecting side, one end of the connecting side being connected to the first side, and the other end of the connecting side being connected to the second side;

the first radiator is provided with a first part positioned on the first side edge and a second part positioned on the connecting edge; the second radiator has a first portion on the second side and a second portion on the connecting side; the third radiator is located on the connecting edge.

8. The mobile terminal of claim 7,

the antenna device comprises a first switch component and a second switch component, wherein a first end of the first switch component is connected with the first feed component, a second end of the first switch component is connected with the first radiator, and a third end of the first switch component is connected with the second radiator; when the first end of the second switch component is connected to the second feeding component, the second end of the second switch component is connected to the first radiator, and the third end of the second switch component is connected to the second radiator,

the second end of the first switch component is connected with the first part or the second part of the first radiator, and the third end of the first switch component is connected with the first part or the second part of the second radiator; a second end of the second switch component is connected with a second part of the first radiator, and a third end of the second switch component is connected with a second part of the second radiator;

wherein the operating frequency band of the second feeding component is higher than the operating frequency band of the first feeding component.

9. The mobile terminal of claim 8, wherein the first feed block is conductive to a first target radiator and the second feed block is conductive to a second target radiator if a first preset condition is met; under the condition that a second preset condition is met, the first feed part is conducted with the second target radiating body, and the second feed part is conducted with the first target radiating body; the first target radiator is one of the first radiator and the second radiator, and the second target radiator is the other of the first radiator and the second radiator;

wherein the first preset condition comprises: under the condition that the mobile terminal is held in a landscape state, the height of the second side edge where the first part of the second radiator is located is larger than that of the first side edge where the first part of the first radiator is located;

the second preset condition includes: under the condition that the mobile terminal is held in a cross screen state, the height of the first side edge where the first part of the first radiator is located is larger than the height of the second side edge where the first part of the second radiator is located.

10. The mobile terminal of claim 7,

the antenna device comprises a first switch component and a second switch component, wherein a first end of the first switch component is connected with the first feed component, a second end of the first switch component is connected with the first radiator, and a third end of the first switch component is connected with the second radiator; when the first end of the second switch component is connected to the second feeding component, the second end of the second switch component is connected to the third radiator, and the third end of the second switch component is connected to the third radiator,

the second end of the first switch component is connected with the first part or the second part of the first radiator, and the third end of the first switch component is connected with the first part or the second part of the second radiator;

wherein the operating frequency band of the second feeding component is higher than the operating frequency band of the first feeding component.

11. The mobile terminal of claim 10, wherein the third radiator is disposed between the first radiator and the second radiator, the third radiator having a first end proximate to the first radiator and a second end proximate to the second radiator; under the condition that a first target condition is met, the first feed part is conducted with the first radiating body, and the second feed part is conducted with the first end of the third radiating body; when a second target condition is met, the first feed block is conducted with the second radiator, and the second feed block is conducted with a second end of the third radiator;

wherein the first preset condition comprises: under the condition that the mobile terminal is held in a landscape state, the height of the second side edge where the first part of the second radiator is located is larger than that of the first side edge where the first part of the first radiator is located;

the second preset condition includes: under the condition that the mobile terminal is held in a cross screen state, the height of the first side edge where the first part of the first radiator is located is larger than the height of the second side edge where the first part of the second radiator is located.

Technical Field

The present application relates to the field of communications, and in particular, to an antenna apparatus and a mobile terminal.

Background

An antenna is a transducer that converts a current propagating on a transmission line into an electromagnetic wave propagating in a free space, or converts an electromagnetic wave propagating in an unbounded medium into a current propagating on a transmission line. In engineering systems such as radio communication, broadcasting, television, radar, navigation, remote sensing, radio astronomy and the like, all of the engineering systems transmit information by using electromagnetic waves and work by depending on antennas.

When the antenna works, an electric signal is provided through the feeding device, and electromagnetic waves are propagated into free space through the antenna radiator. However, in the case where a dielectric with a higher dielectric constant is close to the antenna radiator or contacts the antenna radiator, the radiation performance of the antenna is greatly affected.

Disclosure of Invention

The embodiment of the application provides an antenna device and a mobile terminal, and solves the problem that the radiation performance of an antenna is greatly influenced under the condition that a medium with a higher dielectric constant is close to or contacts an antenna radiator.

In a first aspect, an antenna device is provided, which includes:

the feed device comprises a first feed part, a second feed part and a radiator; the working frequency bands of the first feed part and the second feed part are different;

the radiator comprises a first radiator, a second radiator and a third radiator, wherein the first radiator, the second radiator and the third radiator are mutually separated;

the first feed component is conducted with one radiator among the first radiator, the second radiator and the third radiator, and the second feed component is conducted with the other radiator among the first radiator, the second radiator and the third radiator, so that the performance of a specific antenna in a first antenna corresponding to the first feed component and a second antenna corresponding to the second feed component becomes better.

In a second aspect, a mobile terminal is provided, wherein the mobile terminal includes the antenna device of the first aspect.

In the embodiment of the present application, the first feeding component and the second feeding component in the antenna device have different operating frequency bands, so that the antenna device can simultaneously operate in two different operating frequency bands. Meanwhile, the radiator in the embodiment of the present application includes a first radiator, a second radiator, and a third radiator, where the first radiator, the second radiator, and the third radiator are separated from each other; the first feed part is conducted with one radiator of the first radiator, the second radiator and the third radiator, and the second feed part is conducted with the other radiator of the first radiator, the second radiator and the third radiator, so that the performance of a specified antenna of the first antenna corresponding to the first feed part and the second antenna corresponding to the second feed part is better. In this way, by providing three separated radiators, when a medium with a higher dielectric constant is close to or in contact with one of the three radiators, the first feeding component and the second feeding component are respectively conducted with different radiators, and the performance of a designated antenna in the first antenna corresponding to the first feeding component and the second antenna corresponding to the second feeding component becomes better, so that the influence on the radiation performance of the designated antenna can be ensured to be smaller, and therefore, the problem that the radiation performance of the antenna is greatly influenced when the medium with a higher dielectric constant is close to or in contact with the radiator of the antenna can be improved to a certain extent.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic diagram of an antenna apparatus according to an embodiment of the present application.

Fig. 2 is a schematic diagram of another antenna device according to an embodiment of the present application.

Fig. 3 is a schematic diagram of another antenna device according to an embodiment of the present application.

Fig. 4 is a schematic view of an application scenario of the antenna apparatus according to the embodiment of the present application.

Fig. 5 is a schematic diagram of another antenna device according to an embodiment of the present application.

Description of reference numerals:

110-a first feeding means, 120-a second feeding means, 210-a first radiator, 220-a second radiator, 230-a third radiator, 310-a first switching means, 320-a second switching means, 400-a voltage detector, 510-a first tuning circuit, 520-a second tuning circuit, 530-a third tuning circuit, 540-a fourth tuning circuit, 550-a fifth tuning circuit, 560-a sixth tuning circuit, 570-a seventh tuning circuit, 580-an eighth tuning circuit

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Fig. 1 is a schematic diagram of an antenna apparatus according to an embodiment of the present application.

As shown in fig. 1, an antenna apparatus provided in an embodiment of the present application includes a first feeding component 110, a second feeding component 120, and a radiator 200; the first feeding part 110 and the second feeding part 120 have different working frequency bands; the radiators include a first radiator 210, a second radiator 220 and a third radiator 230, and the first radiator 210, the second radiator 220 and the third radiator 230 are separated from each other; the first feeding component 110 is conductive to one radiator among the first radiator 210, the second radiator 220, and the third radiator 230, and the second feeding component 120 is conductive to another radiator among the first radiator 210, the second radiator 220, and the third radiator 230, so that a designated antenna among the first antenna corresponding to the first feeding component 110 and the second antenna corresponding to the second feeding component 120 has better performance.

For example, when the first feeding part 110 is conducted to the first radiator 210, the second feeding part 120 is conducted to the second radiator 220; when the first feeding part 110 is conducted to the second radiator 220, the second feeding part is conducted to the first radiator 210.

It is understood that the first feeding unit 110 may output a plurality of electric signals of different frequency bands, and the second feeding unit 120 may also output a plurality of electric signals of different frequency bands. The operating frequency bands of the first feeding component 110 and the second feeding component 120 are different, which means that the frequency band of the electric signal output by the first feeding component 110 is different from the frequency band of the electric signal output by the second feeding component 120, or that the frequency band combination of the electric signal output by the first feeding component 110 is different from the frequency band combination of the electric signal output by the second feeding component 120, and the frequency band combination includes a plurality of different frequency bands. The feeding means which plays a major role means a feeding means which plays a major role in the operating frequency band.

It is noted that the antenna may include a feed component and a radiator associated with the feed component.

The first antenna corresponding to the first feeding component 110 may be an antenna including the first feeding component 110 and a radiator associated with the first feeding component 110. The second antenna corresponding to the second feeding unit 120 may be an antenna including the second feeding unit 120 and a radiator associated with the second feeding unit 120.

It should be noted that the radiator associated with the first feeding block 110 may include a radiator that is conductive to the first feeding block 110, and in some cases, may further include other radiators associated with the radiator that is conductive to the first feeding block 110. The radiator associated with the second feed block 120 may include a radiator that is conductive to the second feed block 120 and, in some cases, may include other radiators associated with radiators that are conductive to the second feed block 120. For example, in a case where the first feeding part 110 is conductive to the first radiator 210, the second feeding part 120 is conductive to the second radiator 220, and the third radiator 230 is associated with the first radiator 210 in a relatively large manner, the first antenna may include the first feeding part 110, the first radiator 210 and the third radiator 230, and the second antenna may include the second feeding part 120 and the second radiator 220.

In the embodiment of the present application, the specified antenna may be an antenna specified by a developer according to a requirement. For example, the designated antenna may be an antenna that is more matched or better suited to the requirements of the current usage scenario, or may be an antenna that plays a main role in a certain application scenario. For example, in one scenario, the specified antenna may be an antenna corresponding to a feeding component with a higher operating frequency band, or the specified antenna may be an antenna corresponding to a feeding component with an operating frequency band satisfying a certain condition. In the embodiment of the present application, it is understood that the plurality of antennas included in the antenna apparatus may be subjected to different intensities of interference, and the specified antenna may also be an antenna which is subjected to less interference among the plurality of antennas.

Because the first feeding component and the second feeding component in the antenna device provided by the embodiment of the application have different working frequency bands, the antenna device can simultaneously work in two different working frequency bands. Meanwhile, the radiator in the embodiment of the present application includes a first radiator, a second radiator, and a third radiator, where the first radiator, the second radiator, and the third radiator are separated from each other; the first feeding component is conducted with one radiator among the first radiator, the second radiator and the third radiator, and the second feeding component is conducted with the other radiator among the first radiator, the second radiator and the third radiator, so that the performance of a designated antenna among the first antenna corresponding to the first feeding component and the second antenna corresponding to the second feeding component can be better. In this way, by providing three separated radiators, when a medium with a higher dielectric constant is close to or in contact with one of the three radiators, the first feeding component and the second feeding component are respectively conducted with different radiators, and the performance of a designated antenna in the first antenna corresponding to the first feeding component and the second antenna corresponding to the second feeding component becomes better, so that the influence on the radiation performance of the designated antenna can be ensured to be smaller, and therefore, the problem that the radiation performance of the antenna is greatly influenced when the medium with the higher dielectric constant is close to or in contact with the radiator of the antenna can be solved.

The antenna device provided by the embodiment of the present application may be applied to a mobile terminal, and in a case that the antenna device provided by the embodiment of the present application is applied to a mobile terminal, when the mobile terminal is in a vertical screen state, the specified antenna may be an antenna corresponding to a feeding component with a lower operating frequency band in the first feeding component 110 and the second feeding component 120; when the mobile terminal is in the landscape state, the designated antenna may be an antenna corresponding to a feeding component with a higher operating frequency band in the first feeding component 110 and the second feeding component 120. For example, if the operating frequency band of the first feeding unit 110 is lower than the operating frequency band of the second feeding unit 120; if the mobile terminal is in a vertical screen state, the designated antenna is the first antenna corresponding to the first feeding component 110; and when the mobile terminal is in a landscape state, the specified antenna is a second antenna corresponding to the second feeding component 120.

The following description will further take the designated antenna as an antenna that plays a main role in a certain application scenario (i.e., the designated antenna is an antenna that is more matched or better meets the requirements of the application scenario in the antenna device) as an example. It should be noted that, in the following description, unless otherwise specified, the specified antenna is taken as an example to be mainly used in a certain application scenario, but it should be understood that this is only an example and is not meant to be limiting.

As shown in fig. 1, in this case, it is assumed that the antenna that mainly functions in the antenna device is a first antenna corresponding to the first feeding unit 110, and the antenna that secondarily functions is a second antenna corresponding to the second feeding unit 120. In the case where a medium with a higher dielectric constant is close to or in contact with the first radiator 210 of the antenna device, the first feeding part 110 may be conducted to the second radiator 220 far from the medium with a higher dielectric constant, and the second feeding part 120 may be conducted to the first radiator 210 or the third radiator 230 (see fig. 1). When a medium with a higher dielectric constant is close to or in contact with the second radiator 220 of the antenna device, the first feeding component 110 is conducted to the first radiator 210 away from the medium with a higher dielectric constant, and the second feeding component 120 is conducted to the second radiator 220 or the third radiator 230 (not shown in the figure). That is, the antenna device according to the embodiment of the present application can simultaneously switch the radiator that is conductive to the power feeding member that plays the main role and the radiator that is conductive to the power feeding member that plays the secondary role, depending on the actual situation.

The switching of the different radiators that are conducted with the first feeding component 110 or the second feeding component 120 may be specifically achieved by changing a connection relationship between the first feeding component 110 or the second feeding component 120 and the different radiators. For example, the switching of the radiator to be conducted to the feeding unit may be realized by a switch having a single-pole double-throw function.

It is understood that, in the case that the first feeding part 110 is conductive to one of the first radiator 210 and the second radiator 220 and the second feeding part 120 is conductive to the other of the first radiator 210 and the second radiator 220, the third radiator 230 may also operate based on the coupling effect of the first radiator 210 and the second radiator 220 to the third radiator 230.

Fig. 2 is a schematic diagram of another antenna device according to an embodiment of the present application. As shown in fig. 2, on the basis of fig. 1, the antenna apparatus provided in the embodiment of the present application may further include a first switch component 310 and a second switch component 320; a first end of the first switching part 310 is connected to the first feeding part 110, a second end of the first switching part 310 is connected to the first radiator 210, and a third end of the first switching part 310 is connected to the second radiator 220; a first end of the second switching part 320 is connected to the second feeding part 120, a second end of the second switching part 320 is connected to the first radiator 210, and a third end of the second switching part 320 is connected to the second radiator 220.

The first switch component 310 and the second switch component 320 are both switch components having a single-pole double-throw function, and the conduction between the first feed component 110 and different radiators can be realized by switching the conduction state between the first end of the first switch component 310 and the second end or the third end of the first switch component 310; the conduction between the second feeding component 120 and different radiators is realized by switching the conduction state between the first end of the second switching component 320 and the second end or the third end of the second switching component 320. For example, in the case that the first end of the first switch part 310 is conducted with the second end of the first switch part 310, the first feeding part 110 is conducted with the first radiator 210; when the first end of the first switching part 310 is conducted to the third end of the first switching part 310, the first feeding part 110 is conducted to the second radiator 220; when the first end of the second switch unit 320 is conducted with the second end of the second switch unit 320, the second feeding unit 120 is conducted with the first radiator 210; when the first end of the second switching part 320 is conducted to the third end of the second switching part 320, the second feeding part 120 is conducted to the second radiator 220.

In this way, the first switching part 310 may flexibly switch the radiator that is conducted with the first feeding part 110, and the second switching part 320 may flexibly switch the radiator that is conducted with the second feeding part 120. And furthermore, the feeding part of the specified antenna can be conducted with the radiator far away from the medium with higher dielectric constant through switching, so that the performance of the specified antenna is better than that before switching.

When a medium with a higher dielectric constant is close to or in contact with a certain radiator in the antenna device provided in the embodiments of the present application, the first end of the switching member connected to the feeding member that plays a main role (i.e., the feeding member of the specified antenna, such as the first feeding member or the second feeding member) may be connected to one of the second end and the third end of the switching member connected to the radiator distant from the medium with a higher dielectric constant, so that the radiator distant from the medium with a higher dielectric constant performs main radiation, and a better radiation effect is obtained.

For example, as shown in fig. 2, it is assumed that an antenna that plays a main role in the antenna device is a first antenna corresponding to the first feeding unit 110, and an antenna that plays a secondary role in the antenna device is a second antenna corresponding to the second feeding unit 120. When a medium with a higher dielectric constant is close to or in contact with the first radiator 210 of the antenna device, the first end of the first switch 310 may be conducted to the third end of the first switch 310, and the first end of the second switch 320 may be conducted to the second end of the second switch 320, so that the first feeding component 110 is conducted to the second radiator 220 far from the medium with a higher dielectric constant, and the second feeding component 120 is conducted to the first radiator 210. When a medium with a higher dielectric constant is close to or in contact with the second radiator 220 of the antenna device, the first end of the first switch component 310 may be conducted with the second end of the first switch component 310, and the first end of the second switch component 320 may be conducted with the third end of the second switch component 320, so that the first feeding component 110 is conducted with the first radiator 210 far from the medium with a higher dielectric constant, and the second feeding component 120 is conducted with the second radiator 220 or the third radiator 230 (fig. 2 only shows a case where the medium with a higher dielectric constant is close to or in contact with the first radiator 210). That is, the antenna device according to the embodiment of the present application can switch the radiator (e.g., the first radiator 210 or the second radiator 220) that is conductive to the feeding unit (i.e., the feeding unit of the specified antenna, such as the first feeding unit 110 or the second feeding unit 120) that plays a main role according to actual conditions.

It should be noted that the antenna device provided in this embodiment of the present application may also include only one switch component, where a first end of the switch component is connected to a feeding component corresponding to an operating frequency band that plays a main role, and when the antenna device includes a first radiator and a second radiator, a second end of the switch component is connected to the first radiator, and a third end of the switch component is connected to the second radiator. Under the condition that a medium with higher dielectric constant is close to or contacts the first radiator, conducting the first end of the switch component and the third end of the switch component; and under the condition that a medium with higher dielectric constant is close to or in contact with the second radiator, conducting the first end of the switch component and the second end of the switch component.

Specifically, when the radiator that is conductive to the feeding member is switched, the feeding member may be connected to a different radiator in a different case.

In case that a first preset condition is satisfied, the first feeding part 110 may be conducted with a first target radiator, and the second feeding part 120 may be conducted with a second target radiator;

in case that a second preset condition is satisfied, the first feeding part 110 may be conducted with a second target radiator, and the second feeding part 120 may be conducted with a first target radiator;

the first target radiator is one of the first radiator and the second radiator, and the second target radiator is the other of the first radiator and the second radiator.

In this way, the radiator conducted with the first feeding component and the radiator conducted with the second feeding component can be switched according to different actual conditions, such as different satisfied conditions (that is, the first preset condition or the second preset condition is satisfied), so as to ensure that the feeding component of the designated antenna can be always connected with the radiator relatively far from the medium with higher dielectric constant under various conditions (the first preset condition and the second preset condition are satisfied), thereby enabling the performance of the designated antenna to be better.

The main parameters of the performance of the antenna in this embodiment include one or more of a directional pattern, gain, input impedance, standing wave ratio, and polarization mode.

Fig. 3 is a schematic diagram of another antenna device according to an embodiment of the present application.

As shown in fig. 3, the antenna apparatus provided in the embodiment of the present application may further include a voltage detector 400, a first end of the voltage detector 400 is connected to the first feeding unit 110, and a second end of the voltage detector 400 is connected to the first end of the first switching unit 310;

wherein the first preset condition may include at least one of: the variation value of the input and output voltage detected by the voltage detector 400 is less than a threshold value; the antenna device is in an initial state;

the second preset condition may include: the voltage detector 400 detects a variation value of the input-output voltage greater than or equal to a threshold value.

The voltage detector 400 in fig. 3 is used to detect the variation value of the input and output voltage of the first feeding part 110. It is understood that, in general, an antenna cannot completely convert an electrical signal provided by a feed into an electromagnetic wave and radiate the electromagnetic wave, and an electrical signal that is not completely converted into an electromagnetic wave is reflected back to the feed. The reflected voltage is the voltage of the reflected electrical signal, and the ratio of the reflected voltage to the input voltage can reflect the radiation effect of the antenna to a certain extent. When other conditions are fixed, the smaller the ratio of the reflection voltage to the input voltage is, the better the radiation effect of the antenna is; the larger the ratio of the reflected voltage to the input voltage, the poorer the radiation effect of the antenna. When a dielectric with a higher dielectric constant is close to or in contact with the radiator, the ratio of the reflected voltage to the input voltage increases.

The variation value of the input and output voltage represents the ratio of the reflection voltage to the input voltage. If the variation of the input/output voltage detected by the voltage detector 400 is smaller than the threshold, it indicates that no dielectric with a higher dielectric constant is close to or in contact with the radiator conducted with the first feeding component 110 (i.e. the feeding component playing a main role); the change value of the input/output voltage detected by the voltage detector 400 is greater than or equal to the threshold value, which indicates that a dielectric with a higher dielectric constant is close to or in contact with the radiator conducted with the first feeding component 110, in this case, the radiator conducted with the first feeding component 110 needs to be switched on the basis of the initial state.

For example, the initial state of the antenna device is that the first feeding part 110 is conducted with the first radiator 210, and the second feeding part 120 is conducted with the second radiator 220. When the voltage detector 400 detects that the variation value of the input/output voltage is greater than or equal to the threshold value, the radiator connected to the first feeding component 110 is switched, and the radiator connected to the second feeding component 120 is switched at the same time, so that the first feeding component 110 and the second radiator 220 are conducted, and the second feeding component 120 and the first radiator 210 are conducted.

In this way, it may be determined whether the first preset condition or the second preset condition is satisfied according to the variation value of the input/output voltage detected by the voltage detector 400, and switching between the switching part and the radiator may be performed based on the preset condition. Therefore, the performance of the appointed antenna after the radiator is switched is better.

It should be noted that fig. 3 only shows the case where the voltage detector 400 is connected to the first feeding unit 110, and in some cases, the voltage detector 400 may also be connected to the second feeding unit 120. When the voltage detector 400 is connected to the second feeding unit 120, a first end of the voltage detector 400 is connected to the second feeding unit 120, and a second end of the voltage detector 400 is connected to the first end of the second switching unit 320. In this case, the voltage detector 400 is configured to detect a variation of the input/output voltage of the second feeding unit 120, and then determine whether a dielectric with a higher dielectric constant is close to or in contact with a radiator that is conductive to the second feeding unit.

The antenna device provided in the embodiment of the present application may be applied to a mobile terminal, where the first radiator 210 may be located on a left side of a middle frame of the mobile terminal, and the second radiator 220 may be located on a right side of the middle frame of the mobile terminal; when the mobile terminal is held in the vertical screen state, the feeding component playing a main role may be a feeding component with a relatively low working frequency band (that is, the designated antenna may be an antenna corresponding to the feeding component with a relatively low working frequency band; for example, if the working frequency band of the first feeding component 110 is lower than the working frequency band of the second feeding component 120, the first feeding component 110 is the feeding component playing the main role, and the first antenna corresponding to the first feeding component 110 is the designated antenna). At this time, a user may hold the mobile terminal with his left hand, and the palm of the user is tightly attached to the left side of the middle frame of the mobile terminal, so that the first radiator 210 located on the left side of the middle frame of the mobile terminal is greatly interfered and the second radiator 220 located on the right side of the middle frame of the mobile terminal is slightly interfered; or the user holds the mobile terminal with the right hand, and the palm of the user is tightly attached to the right side of the middle frame of the mobile terminal, so that the second radiator 220 positioned on the right side of the middle frame of the mobile terminal is greatly interfered, and the first radiator 210 positioned on the left side of the middle frame of the mobile terminal is slightly interfered. In this case, the voltage detector 400 can detect whether or not a medium having a high dielectric constant is in proximity to or in contact with a radiator that is conductive to a power feeding member that plays a main role.

If the first feeding part 110 plays a main role when the mobile terminal is in the vertical screen state, the voltage detector 400 is connected to the first feeding part 110, and the antenna device in the mobile terminal is in the initial state in which the first feeding part 110 is connected to the first radiator 210 and the second feeding part 120 is connected to the second radiator 220. At this time, if the voltage monitor 400 detects that the variation value of the input/output voltage of the first feeding unit 110 is greater than or equal to the threshold, it indicates that the user holds the mobile terminal with the left hand at the side where the first radiator 210 is located. Further, a radiator that is conductive to the first feeding member 110 may be switched, and a radiator that is conductive to the second feeding member 120 may be switched at the same time, and the second feeding member 120 may be switched to the first radiator 210, for example, by switching the first feeding member 110 to the second radiator 220 that is relatively far from the user's hand.

Meanwhile, the first preset condition may further include: the first radiator 210 is located below the second radiator 220; the second preset condition may further include: the second radiator 220 is located below the first radiator 210; wherein the interference to the radiator located relatively below is greater.

In the case where the antenna apparatus in the embodiment of the present application is applied to a mobile terminal, the first radiator 210 may be located on a left side of a middle frame of the mobile terminal, and the second radiator 220 may be located on a right side of the middle frame of the mobile terminal; when the mobile terminal is held in a landscape state, there may be a case where the left side of the middle frame of the mobile terminal faces downward or the right side of the mobile terminal faces downward (i.e., the first radiator 210 is located below the second radiator 220 or the second radiator 220 is located below the first radiator 210). Moreover, when the mobile terminal is held in a landscape state, the area of the middle frame of the mobile terminal contacted by the hand of a user is often larger, that is, the interference on the radiator located below the middle frame of the mobile terminal is larger.

In this way, the radiator with greater interference at this time can be determined according to the relative positions of the first radiator 210 and the second radiator 220, and then the radiator conducted with the first feeding component 110 and the radiator conducted with the second feeding component 120 can be switched, that is, the feeding component of the designated antenna is conducted with the radiator with less interference, so that the performance of the designated antenna after radiator switching is better.

Fig. 4 is a schematic view of an application scenario of the antenna apparatus according to the embodiment of the present application.

As shown in fig. 3 to 4, when a user uses the mobile terminal across a screen, the first radiator 210 is often located below the second radiator 220, or the second radiator 220 is located below the first radiator 210. Since most radiators located relatively below are often touched by the user's hand, it is often necessary to make the feed block corresponding to the operating band that plays the primary role (the feed block that plays the primary role, i.e., the feed block of the designated antenna) and the radiator located relatively above electrically conductive, and to make the feed block corresponding to the operating band that plays the secondary role (i.e., the feed block that plays the secondary role) and the radiator located relatively below electrically conductive. It should be noted that, in this case, attention is paid to ensure the radiation effect of the feeding component corresponding to the operating frequency band playing the main role. When the user uses the mobile terminal in a landscape mode, the working frequency band playing a main role can be a frequency band with a higher frequency band.

For example, when the operating frequency band of the first feeding component 110 is higher than the operating frequency band of the second feeding component 120, the operating frequency band corresponding to the first feeding component 110 plays a main role, and the first radiator 210 is located below the second radiator 220, the first feeding component 110 and the second radiator 220 are conducted, and the second feeding component 120 and the first radiator 210 are conducted.

When the operating frequency band of the first feed component 110 is higher than the operating frequency band of the second feed component 120, the operating frequency band corresponding to the first feed component 110 plays a main role, and the second radiator 220 is located below the first radiator 210, the first feed component 110 is conducted with the first radiator 210, and the second feed component 120 is conducted with the second radiator 220.

When the operating frequency band of the second feed component 120 is higher than the operating frequency band of the first feed component 110, the operating frequency band corresponding to the second feed component 120 plays a main role, and the first radiator 210 is located below the second radiator 220, the first feed component 110 is conducted with the first radiator 210, and the second feed component 120 is conducted with the second radiator 220.

When the operating frequency band of the second feed component 120 is higher than the operating frequency band of the first feed component 110, the operating frequency band corresponding to the second feed component 120 plays a main role, and the second radiator 220 is located below the first radiator 210, the first feed component 110 is conducted with the second radiator 220, and the second feed component 120 is conducted with the first radiator 210.

In this way, the radiators connected to the first feeding part 110 and the second feeding part 120 may be switched according to the relative positions of the first radiator 210 and the second radiator 220 when the user uses the mobile terminal across the screen, so that most radiators that are not touched by the user's hand perform a main radiation function.

Optionally, the antenna device provided in this embodiment of the application may further include a direction sensor, where the direction sensor may detect a relative position of the first radiator 210 and the second radiator 220.

Fig. 5 is a schematic diagram of another antenna device according to an embodiment of the present application.

As shown in fig. 5, on the basis of fig. 1, the antenna device provided in the embodiment of the present application may further include a first switch component 310 and a second switch component 320; a first end of the first switching part 310 is connected to the first feeding part 110, a second end of the first switching part 310 is connected to the first radiator 210, and a third end of the first switching part 310 is connected to the second radiator 220; a first end of the second switching part 320 is connected to the second feeding part 120, a second end of the second switching part 320 is connected to the third radiator 230, and a third end of the second switching part 320 is connected to the third radiator 230.

In this way, by switching the conduction state between the first terminal of the first switch member 310 and the second and third terminals of the first switch member 310, the radiator (the first radiator 210 or the second radiator 220) connected to the first power supply member 110 can be switched so that the first radiator 210 and the third radiator function together, or the second radiator 220 and the third radiator 230 function together.

In one embodiment, the third radiator 230 is disposed between the first radiator 210 and the second radiator 220, and the third radiator 230 has a first end close to the first radiator 210 and a second end close to the second radiator 220;

when a first target condition is satisfied, the first feeding part 110 is conducted with the first radiator 210, and the second feeding part 120 is conducted with a first end of the third radiator 230;

when a second target condition is satisfied, the first feeding part 110 is conducted to the second radiator 220, and the second feeding part 120 is conducted to the second end of the third radiator 230.

It is understood that the third radiator 230 may function together with the radiator conducted with the first feeding part 110 by making the third radiator 230 conducted with the second feeding part 120 near one end of the radiator conducted with the first feeding part 110.

The first switch component 310 and the second switch component 320 are both switch components having a single-pole double-throw function, and the conduction between the first feed component 110 and different radiators can be realized by switching the conduction state between the first end of the first switch component 310 and the second end or the third end of the first switch component 310; by switching the conduction state between the first end of the second switch component 320 and the second end or the third end of the second switch component 320, the conduction between the second feeding component 120 and different ends of the third radiator 230 is realized.

In this way, the first switch part 310 may flexibly switch the radiator that is conducted with the first feeding part 110, and the second switch part 320 may flexibly switch the end of the third radiator 230 that is conducted with the second feeding part 120. Furthermore, by switching the radiator that is conducted to the first feeding means 110 and the end of the third radiator 230 that is conducted to the second feeding means 120, the performance of the designated antenna is better than that before the switching.

As shown in fig. 5, the antenna apparatus may further include a voltage detector 400, a first end of the voltage detector 400 is connected to the first feeding part 110, and a second end of the voltage detector 400 is connected to the first end of the first switching part 310;

wherein the first target condition comprises at least one of: the variation value of the input and output voltage detected by the voltage detector 400 is less than a threshold value; the antenna device is in an initial state;

the second target condition includes: the voltage detector detects that the change value of the input-output voltage detected by 400 is greater than or equal to a threshold value.

If the first feeding unit 110 in fig. 5 is a feeding unit playing a main role, that is, the designated antenna is a first antenna corresponding to the first feeding unit 110, the voltage detector 400 is configured to detect a change value of the input/output voltage of the first feeding unit 110, that is, the voltage monitor 400 is configured to detect a change value of the input/output voltage of the feeding unit playing a main role (that is, the feeding unit of the designated antenna). It is understood that, in general, an antenna cannot completely convert an electrical signal provided by a feed into an electromagnetic wave and radiate the electromagnetic wave, and an electrical signal that is not completely converted into an electromagnetic wave is reflected back to the feed. The reflected voltage is the voltage of the reflected electrical signal, and the ratio of the reflected voltage to the input voltage can reflect the radiation effect of the antenna to a certain extent. When other conditions are fixed, the smaller the ratio of the reflection voltage to the input voltage is, the better the radiation effect of the antenna is; the larger the ratio of the reflected voltage to the input voltage, the poorer the radiation effect of the antenna. When a dielectric with a higher dielectric constant is close to or in contact with the radiator, the ratio of the reflected voltage to the input voltage increases.

The variation value of the input and output voltage represents the ratio of the reflection voltage to the input voltage. If the variation of the input/output voltage detected by the voltage detector 400 is smaller than the threshold, it indicates that no dielectric with a higher dielectric constant is close to or in contact with the radiator conducted with the first feeding component 110 (i.e. the feeding component playing a main role); the change value of the input/output voltage detected by the voltage detector 400 is greater than or equal to the threshold value, which indicates that a dielectric with a higher dielectric constant is close to or in contact with the radiator conducted with the first feeding component 110, in this case, the radiator conducted with the first feeding component 110 needs to be switched on the basis of the initial state.

For example, the first feeding member 110 is a feeding member that plays a main role, and the antenna device is in an initial state in which the first feeding member 110 is electrically connected to the first radiator 210 and the second feeding member 120 is electrically connected to the first end of the third radiator 230. When the voltage detector 400 detects that the variation value of the input/output voltage is greater than or equal to a threshold value, the radiator connected to the first feed block 110 is switched to conduct the first feed block 110 and the second radiator 220 (the feed block that plays a main role is conducted to a radiator farther from a medium having a higher dielectric constant); and simultaneously, the second feeding unit 120 is conducted to the second end of the third radiator 230.

In this way, it can be determined whether a medium with a higher dielectric constant is close to or in contact with the radiator that is conductive to the feeding component playing a main role at this time according to the variation value of the input/output voltage detected by the voltage detector 400, that is, whether the specified antenna is interfered to a certain extent can be determined according to the variation value of the input/output voltage detected by the voltage detector 400. Meanwhile, the radiator conducted with the first feeding component 110 and the end of the third radiator 230 conducted with the second feeding component may be switched according to the variation value of the input/output voltage, so that the performance of the designated antenna after radiator switching is better.

Fig. 5 shows only the case where the voltage detector 400 is connected to the first power feeding unit 110, and the voltage detector 400 may be connected to the second power feeding unit 120 when the second power feeding unit 120 plays a main role (that is, when the second antenna corresponding to the second power feeding unit 120 is a predetermined antenna). When the voltage detector 400 is connected to the second feeding unit 120, a first end of the voltage detector 400 is connected to the second feeding unit 120, and a second end of the voltage detector 400 is connected to the first end of the second switching unit 320. In this case, the voltage detector 400 is configured to detect a variation of the input/output voltage of the second feeding unit 120, and then determine whether a dielectric with a higher dielectric constant is close to or in contact with a radiator that is conductive to the second feeding unit.

For example, the antenna apparatus provided in the embodiment of the present application may be applied to a mobile terminal, the first radiator 210 may be located on a left side of a middle frame of the mobile terminal, and the second radiator 220 may be located on a right side of the middle frame of the mobile terminal; when the mobile terminal is held in the vertical screen state, the feeding component playing a main role may be a feeding component with a relatively low working frequency band (that is, the designated antenna may be an antenna corresponding to the feeding component with a relatively low working frequency band; for example, if the working frequency band of the first feeding component 110 is lower than the working frequency band of the second feeding component 120, the first feeding component 110 is the feeding component playing the main role, and the first antenna corresponding to the first feeding component 110 is the designated antenna). At this time, a user may hold the mobile terminal with his left hand, and the palm of the user is tightly attached to the left side of the middle frame of the mobile terminal, so that the first radiator 210 located on the left side of the middle frame of the mobile terminal is greatly interfered and the second radiator 220 located on the right side of the middle frame of the mobile terminal is slightly interfered; or the user holds the mobile terminal with the right hand, and the palm of the user is tightly attached to the right side of the middle frame of the mobile terminal, so that the second radiator 220 positioned on the right side of the middle frame of the mobile terminal is greatly interfered, and the first radiator 210 positioned on the left side of the middle frame of the mobile terminal is slightly interfered.

In this case, the voltage detector 400 can detect whether or not a medium having a high dielectric constant is in proximity to or in contact with a radiator that is conductive to a power feeding member that plays a main role. If the first feeding part 110 plays a main role when the mobile terminal is in the vertical screen state, the voltage detector 400 is connected to the first feeding part 110, and the antenna device in the mobile terminal is in the initial state in which the first feeding part 110 is connected to the first radiator 210 and the second feeding part 120 is connected to the first end of the third radiator 230. At this time, if the voltage monitor 400 detects that the variation value of the input/output voltage of the first feeding unit 110 is greater than or equal to the threshold, it indicates that the user holds the mobile terminal with the left hand at the side where the first radiator 210 is located. Further, a radiator that is conducted with the first feeding part 110 may be switched, and an end of the third radiator 230 that is conducted with the second feeding part 210 may be switched, for example, the first feeding part 110 may be conducted with the second radiator 220 that is relatively far from the user's hand, and the second feeding part 120 may be conducted with a second end of the third radiator 230 that is close to the second radiator 220.

Meanwhile, the first target condition may further include: the first radiator 210 is located below the second radiator 220;

the second target condition may further include: the second radiator 220 is located below the first radiator 210.

For example, in a case where the antenna apparatus in the embodiment of the present application is applied to a mobile terminal, the first radiator may be located on a left side of a middle frame of the mobile terminal, and the second radiator may be located on a right side of the middle frame of the mobile terminal; as shown in fig. 4, when the mobile terminal is held in a landscape state, there may be a case where a left side of a middle frame of the mobile terminal faces downward or a right side of the mobile terminal faces downward (i.e., the first radiator is located below the second radiator or the second radiator is located below the first radiator). Moreover, when the mobile terminal is held in a landscape state, the area of the middle frame of the mobile terminal contacted by the hand of a user is often larger, that is, the interference on the radiator located below the middle frame of the mobile terminal is larger.

In this way, the radiators connected to the first feeding component 110 and the end of the third radiator 230 connected to the second feeding component may be switched according to the relative positions of the first radiator 210 and the second radiator 220, so that the performance of the designated antenna after radiator switching is better.

It can be understood that the antenna device provided by the embodiment of the present application can be applied to a mobile terminal (e.g., a mobile phone). The antenna device provided by the embodiment of the application can be specifically arranged on the lower half part of the mobile terminal.

As shown in fig. 3 to 4, when a user uses the mobile terminal across a screen, the first radiator 210 is often located below the second radiator 220, or the second radiator 220 is located below the first radiator 210. For example, a first gap may be formed between the first radiator 210 and the third radiator 230, and a second gap may be formed between the second radiator 220 and the third radiator 230. And the relatively lower one of the first and second seams tends to be mostly contacted by the user's hand. Therefore, it is generally necessary to radiate the power feeding component corresponding to the operating frequency band that plays the primary role (i.e., the power feeding component that plays the primary role) through the upper one of the first and second slots, and in this case, the power feeding component that plays the primary role needs to be conducted to the end of the third radiator 230 that is farther from the upper slot (i.e., the end of the third radiator 230 that is farther from the lower end), and the power feeding component that plays the secondary role needs to be conducted to the radiator that is closer to the end of the third radiator 230 that is connected to the power feeding component that plays the primary role. It should be noted that, in this case, attention is paid to ensure the radiation effect of the feeding component corresponding to the operating frequency band playing the main role. When the user uses the mobile terminal in a landscape mode, the working frequency band playing a main role can be a frequency band with a higher frequency band.

For example, when the operating frequency band corresponding to the second feeding component 120 is higher than the operating frequency band corresponding to the first feeding component 120 (i.e., the second feeding component 120 plays a main role), and the first radiator 210 is located below the second radiator 220 (i.e., the second gap is located above the first gap), the second feeding component 120 is conducted with the first end of the third radiator 230 (i.e., with the end of the third radiator 230 away from the second gap), and the first feeding component 110 is conducted with the first radiator 210.

When the operating frequency band corresponding to the second feeding component 120 is higher than the operating frequency band corresponding to the first feeding component 120 (that is, the second feeding component 120 plays a main role), and the second radiator 220 is located below the first radiator 210 (that is, the first broken seam is located above the second broken seam), the second feeding component 120 is conducted with the second end of the third radiator 230 (that is, with the end of the third radiator 230 far away from the first broken seam), and the first feeding component 110 is conducted with the second radiator 220.

In this way, when the mobile terminal is used in a landscape mode, the relative positions of the first radiator 210 and the second radiator 220 may be switched between the radiator connected to the first feeding part 110 and the second feeding part 120 and the end of the third radiator 230 connected to the second feeding part.

Optionally, the antenna device provided in this embodiment of the application may further include a direction sensor, where the direction sensor may detect a relative position of the first radiator 210 and the second radiator 220.

Meanwhile, the embodiment of the application also provides a mobile terminal, and the mobile terminal comprises the antenna device provided by the embodiment of the application.

In this embodiment, referring to fig. 3 or 4, optionally, the first radiator 210, the second radiator 220, and the third radiator 230 are disposed on a frame of the mobile terminal, where the frame includes a first side, a second side, and a connecting side, one end of the connecting side is connected to the first side, and the other end of the connecting side is connected to the second side;

the first radiator 210 has a first portion on the first side and a second portion on the connecting side; the second radiator 220 has a first portion on the second side and a second portion on the connecting side; the third radiator 230 is located at the connection edge.

So, can be with antenna device is applied to mobile terminal's the latter half for first radiator, second radiator and third radiator all are located mobile terminal's side, thereby can exert better radiation effect.

The frame may be a middle frame of the mobile terminal.

In one embodiment, the antenna apparatus includes a first switch part 310 and a second switch part 320, a first end of the first switch part 310 is connected to the first feeding part 110, a second end of the first switch part 310 is connected to the first radiator 210, and a third end of the first switch part 310 is connected to the second radiator 220; when the first end of the second switching member 320 is connected to the second feeding member 120, the second end of the second switching member 320 is connected to the first radiator 210, and the third end of the second switching member 320 is connected to the second radiator 220, the second end of the first switching member 310 is connected to the first portion or the second portion of the first radiator 210, and the third end of the first switching member 310 is connected to the first portion or the second portion of the second radiator 220; a second end of the second switch part 320 is connected to the second portion of the first radiator 210, and a third end of the second switch part 320 is connected to the second portion of the second radiator 220; wherein the operating frequency band of the second feeding part 120 is higher than the operating frequency band of the first feeding part 110.

In this way, the radiator conducted with the first feeding component 110 and the radiator conducted with the second feeding component 120 can be switched by the switching component, that is, the radiator conducted with the feeding component of the designated antenna is switched, so that the feeding component of the designated antenna can be conducted with the radiator far from the medium with higher dielectric constant, and after the radiator conducted with the feeding component of the designated antenna is switched, the performance of the designated antenna is better than that before the switching.

When a radiator that is conductive to the first feed block 110 or the second feed block 120 in the antenna device of the mobile terminal is switched, the first feed block 110 or the second feed block 120 may be connected to a different radiator in a different case.

Under the condition that a first preset condition is met, the first feed part 110 is conducted with a first target radiator, and the second feed part 120 is conducted with a second target radiator; under the condition that a second preset condition is met, the first feed component 110 is conducted with a second target radiator, and the second feed component 120 is conducted with a first target radiator; wherein the first target radiator is one of the first radiator 210 and the second radiator 220, and the second target radiator is the other of the first radiator 210 and the second radiator 220; wherein the first preset condition comprises: under the condition that the mobile terminal is held in a landscape state, the height of the second side where the first portion of the second radiator 220 is located is greater than the height of the first side where the first portion of the first radiator 210 is located; the second preset condition includes: under the condition that the mobile terminal is held in a landscape state, the height of the first side where the first portion of the first radiator 210 is located is greater than the height of the second side where the first portion of the second radiator 220 is located.

In this way, the radiator with greater interference at this time may be determined according to the relative positions of the first radiator 210 and the second radiator 220, and then the radiator conducted with the first feeding component 110 and the radiator conducted with the second feeding component 120 may be switched, that is, the radiator conducted with the feeding component of the designated antenna is switched, so that the feeding component of the designated antenna is conducted with the radiator with less interference, and further, the performance of the designated antenna after the radiator is switched is better.

It is understood that the height of the second side where the first portion of the second radiator 220 is located is greater than the height of the first side where the first portion of the first radiator 210 is located, which means that the first radiator 210 is located below the second radiator 220; the height of the first side where the first portion of the first radiator 210 is located is greater than the height of the second side where the first portion of the second radiator 220 is located, which may be understood as that the second radiator 220 is located below the first radiator 210.

As shown in fig. 3-4, when the user uses the mobile terminal in a landscape mode, the first side where the first portion of the first radiator 210 is located is often located below the second side where the first portion of the second radiator 220 is located, or the second side where the first portion of the second radiator 220 is located below the first side where the first portion of the first radiator 210 is located; that is, the first radiator 210 is located below the second radiator 220, or the second radiator 220 is located below the first radiator 210. Since most radiators located relatively below are often touched by the user's hand, it is often necessary to make the feed block corresponding to the operating band that plays the primary role (the feed block that plays the primary role, i.e., the feed block of the designated antenna) and the radiator located relatively above electrically conductive, and to make the feed block corresponding to the operating band that plays the secondary role (i.e., the feed block that plays the secondary role) and the radiator located relatively below electrically conductive. It should be noted that, in this case, attention is paid to ensure the radiation effect of the feeding component corresponding to the operating frequency band playing the main role. When the user uses the mobile terminal in a landscape mode, the working frequency band playing a main role can be a frequency band with a higher frequency band.

For example, when the operating frequency band of the second feeding component 120 is higher than the operating frequency band of the first feeding component 110, the operating frequency band corresponding to the second feeding component 120 plays a main role (that is, the antenna is designated as the second antenna corresponding to the second feeding component 120), and the first radiator 210 is located below the second radiator 220, the first feeding component 110 is conducted with the first radiator 210, and the second feeding component 120 is conducted with the second radiator 220.

When the operating frequency band of the second feeding component 120 is higher than the operating frequency band of the first feeding component 110, the operating frequency band corresponding to the second feeding component 120 plays a main role (that is, the designated antenna is the second antenna corresponding to the second feeding component 120), and the second radiator 220 is located below the first radiator 210, the first feeding component 110 and the second radiator 220 are conducted, and the second feeding component 120 and the first radiator 210 are conducted.

In this way, when the mobile terminal is used in a landscape mode, the radiators connected to the first feeding part 110 and the second feeding part 120 may be switched according to the relative positions of the first radiator 210 and the second radiator 220, so that most radiators not contacted by the user's hand play a main role, and most radiators not contacted by the user's hand are conducted to the feeding part of the designated antenna.

In another embodiment, the antenna apparatus includes a first switch part 310 and a second switch part 320, a first end of the first switch part 310 is connected to the first feeding part 110, a second end of the first switch part 310 is connected to the first radiator 210, and a third end of the first switch part 310 is connected to the second radiator 220; when the first end of the second switching member 320 is connected to the second feeding member 120, the second end of the second switching member 320 is connected to the third radiator 230, and the third end of the second switching member 320 is connected to the third radiator 230, the second end of the first switching member 310 is connected to the first portion or the second portion of the first radiator 210, and the third end of the first switching member 320 is connected to the first portion or the second portion of the second radiator 220; wherein the operating frequency band of the second feeding part 120 is higher than the operating frequency band of the first feeding part 110.

In this way, by switching the conduction state between the first terminal of the first switch member 310 and the second and third terminals of the first switch member 310, the radiator (the first radiator 210 or the second radiator 220) connected to the first power supply member 110 can be switched so that the first radiator 210 and the third radiator function together, or the second radiator 220 and the third radiator 230 function together.

Optionally, the first radiator 210 may further have a third portion, and the third portion of the first radiator 210 is located between the first portion of the first radiator 210 and the second portion of the first radiator 210; the second radiator 220 also has a third portion, the third portion of the second radiator 220 being located between the first portion of the second radiator 220 and the second portion of the second radiator 220.

The second end of the first switch 310 may be further connected to a third portion of the first radiator 210, and the third end of the first switch 310 may be further connected to a third portion of the second radiator 220.

When a radiator that is conductive to the first feed block 110 or the second feed block 120 in the antenna device of the mobile terminal is switched, the first feed block 110 or the second feed block 120 may be connected to a different radiator in a different case.

The third radiator 230 is disposed between the first radiator 210 and the second radiator 220, and the third radiator 230 has a first end close to the first radiator 210 and a second end close to the second radiator 220; when a first target condition is satisfied, the first feeding part 110 is conducted with the first radiator 210, and the second feeding part 120 is conducted with a first end of the third radiator 230; when a second target condition is satisfied, the first feeding unit 110 is conducted to the second radiator 220, and the second feeding unit 120 is conducted to the second end of the third radiator 230.

Wherein the first preset condition comprises: under the condition that the mobile terminal is held in a landscape state, the height of the second side where the first portion of the second radiator 220 is located is greater than the height of the first side where the first portion of the first radiator 210 is located; the second preset condition includes: under the condition that the mobile terminal is held in a landscape state, the height of the first side where the first portion of the first radiator 210 is located is greater than the height of the second side where the first portion of the second radiator 220 is located.

It is understood that the height of the second side where the first portion of the second radiator 220 is located is greater than the height of the first side where the first portion of the first radiator 210 is located, which means that the first radiator 210 is located below the second radiator 220; the height of the first side where the first portion of the first radiator 210 is located is greater than the height of the second side where the first portion of the second radiator 220 is located, which may be understood as that the second radiator 220 is located below the first radiator 210.

As shown in fig. 3 to 4, when a user uses the mobile terminal across a screen, the first radiator 210 is often located below the second radiator 220, or the second radiator 220 is located below the first radiator 210. Two adjacent ends of two radiators may have a gap, for example, a first gap may exist between the first radiator 210 and the third radiator 230, and a second gap may exist between the second radiator 220 and the third radiator 230. And the relatively lower one of the first and second seams tends to be mostly contacted by the user's hand. Therefore, it is generally necessary to radiate the power feeding component corresponding to the operating band that plays the main role (i.e., the power feeding component that plays the main role) through the gap located above the first gap and the second gap, and at this time, the power feeding component corresponding to the operating band that plays the main role needs to be conducted to the end of the third radiator 230 that is farther from the gap located above (i.e., the end of the third radiator 230 that is located below the first end and the second end), and the power feeding component that plays the secondary role needs to be conducted to the radiator located closer to the end of the third radiator 230 that is connected to the power feeding component that plays the main role. It should be noted that, in this case, attention is paid to ensure the radiation effect of the feeding component corresponding to the operating frequency band playing the main role. When the user uses the mobile terminal in a landscape mode, the working frequency band playing a main role can be a frequency band with a higher frequency band.

For example, when the operating frequency band corresponding to the second feeding component 120 is higher than the operating frequency band corresponding to the first feeding component 120 (that is, the second feeding component 120 plays a main role, and the designated antenna is a second antenna corresponding to the second feeding component 120), and the first radiator 210 is located below the second radiator 220 (that is, the second broken seam is located above the first broken seam), the second feeding component 120 is conducted with the first end of the third radiator 230 (that is, with the end of the third radiator 230 away from the second broken seam), and the first feeding component 110 is conducted with the first radiator 210.

When the operating frequency band corresponding to the second feed component 120 is higher than the operating frequency band corresponding to the first feed component 120 (that is, the second feed component 120 plays a main role, and the designated antenna is a second antenna corresponding to the second feed component 120), and the second radiator 220 is located below the first radiator 210 (that is, the first broken seam is located above the second broken seam), the second feed component 120 is conducted with the second end of the third radiator 230 (that is, with an end of the third radiator 230 that is far away from the first broken seam), and the first feed component 110 is conducted with the second radiator 220.

In this way, the radiators connected to the first feeding component 110 and the end of the third radiator 230 connected to the second feeding component may be switched according to the relative positions of the first radiator 210 and the second radiator 220, so that the performance of the designated antenna after radiator switching is better.

Alternatively, the first radiator 210 and the second radiator 220 may be a part of a middle frame of the mobile terminal.

Optionally, the antenna device provided in the embodiments of the present application may have a symmetric structure. The first radiator 210 and the second radiator 230 may be symmetrically disposed on a frame of the mobile terminal.

Meanwhile, the antenna device provided in this embodiment of the present invention may further include a plurality of tuning circuits, where the tuning circuits may be connected to different positions of the first radiator 210, the second radiator 220, and the third radiator 230. As shown in fig. 3, the antenna apparatus may include a first tuning circuit 510, a second tuning circuit 520, a third tuning circuit 530, a fourth tuning circuit 540, a fifth tuning circuit 550, a sixth tuning circuit 560, a seventh tuning circuit 570, and an eighth tuning circuit 580. A first end of the first tuning circuit 510 may be connected to a second end of the first switch part 310, and a second end of the first tuning circuit 510 may be connected to the first radiator 210. A first end of the second tuning circuit 520 may be connected to the third end of the first switching part 310, and a second end of the second tuning circuit 520 may be connected to the second radiator 220. A first end of the third tuning circuit 530 may be connected to a second end of the second switching part 320, and a second end of the third tuning circuit 530 may be connected to the first radiator 210. A first terminal of the fourth tuning circuit 540 may be connected to the third terminal of the second switching part 320, and a second terminal of the fourth tuning circuit 540 may be connected to the second radiator 220. A first end of the fifth tuning circuit 550 may be connected to the third radiator 230, and a second end of the fifth tuning circuit 550 may be grounded. A first end of the sixth tuning circuit 560 may be connected to the third radiator 230, and a second end of the sixth tuning circuit 560 may be grounded. A first end of the seventh tuning circuit 570 may be connected to the first radiator 210, and a second end of the seventh tuning circuit 570 may be grounded. A first end of the eighth tuning circuit 580 may be connected to the second radiator 220, and a second end of the eighth tuning circuit 500 may be grounded. The positions of the connecting points of the same radiator and the plurality of tuning circuits are different. The specific number of the tuning circuits is not limited herein, and the tuning circuits are all used for enabling the antenna device to be in a better working state.

The mobile terminal may contain wireless communication circuitry, storage and processing circuitry, input-output circuitry, and input-output devices. The wireless communications circuitry may also include an antenna device and a wireless connection transceiver.

It should be noted that the mobile terminal may further include other functional modules or circuits, and the above-mentioned circuits or devices are only a part of all the functional modules, circuits and devices of the mobile terminal.

In the embodiments of the present application, the difference between the embodiments is described in detail, and different optimization features between the embodiments can be combined to form a better embodiment as long as the differences are not contradictory, and further description is omitted here in view of brevity of the text.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.