阅读说明：本技术 天线结构及移动终端 (Antenna structure and mobile terminal ) 是由 王静松 于 2019-09-18 设计创作，主要内容包括：本公开是关于一种天线结构及移动终端。所述天线结构包括：第一天线和第二天线；第一天线用于辐射第一频段的信号；第二天线用于辐射第二频段的信号,第二频段的频率高于第一频段的频率；第二天线层叠设置在第一天线的上方。本公开实施例提供的技术方案中,通过将第二天线层叠设置在第一天线上,使得天线的空间利用率得到提升,降低天线的成本,实现天线的高度集成化,进一步使天线的布局更加灵活。另外,移动终端的其他硬件的利用空间得到增加,便于进行整个移动终端系统的性能优化。(The disclosure relates to an antenna structure and a mobile terminal. The antenna structure includes: a first antenna and a second antenna; the first antenna is used for radiating signals of a first frequency band; the second antenna is used for radiating signals of a second frequency band, and the frequency of the second frequency band is higher than that of the first frequency band; the second antenna is stacked above the first antenna. In the technical scheme that this disclosed embodiment provided, through range upon range of setting up the second antenna on first antenna for the space utilization of antenna obtains promoting, reduces the cost of antenna, realizes the high integration of antenna, and further the overall arrangement that makes the antenna is more nimble. In addition, the utilization space of other hardware of the mobile terminal is increased, and the performance optimization of the whole mobile terminal system is facilitated.)

1. An antenna structure, characterized in that the antenna structure comprises: a first antenna and a second antenna;

the first antenna is used for radiating signals of a first frequency band;

the second antenna is used for radiating signals of a second frequency band, and the frequency of the second frequency band is higher than that of the first frequency band;

the second antenna is stacked above the first antenna.

2. The antenna structure according to claim 1, characterized in that the area of the second antenna is smaller than the area of the first antenna.

3. The antenna structure according to claim 1, characterized in that the projection of the second antenna on the plane of the first antenna is located in the edge area of the first antenna.

4. The antenna structure according to claim 1, characterized in that a first support structure is arranged between the second antenna and the first antenna.

5. The antenna structure according to any of claims 1 to 4, characterized in that the antenna structure further comprises a third antenna;

the third antenna is used for radiating signals of a third frequency band, and the frequency of the third frequency band is higher than that of the second frequency band;

the third antenna is stacked above the second antenna.

6. The antenna structure according to claim 5, characterized in that the area of the third antenna is smaller than the area of the second antenna.

7. The antenna structure according to claim 5, characterized in that the projection of the third antenna on the plane of the second antenna is located in the edge area of the second antenna.

8. The antenna structure according to claim 5, characterized in that a second support structure is arranged between the third antenna and the second antenna.

9. The antenna structure according to any of claims 1 to 4, characterized in that the antenna structure further comprises a third antenna;

the third antenna is used for radiating signals of a third frequency band, and the frequency of the third frequency band is higher than that of the first frequency band;

the third antenna is stacked above the first antenna, and the third antenna and the second antenna are disposed at different positions above the first antenna.

10. A mobile terminal, characterized in that it comprises an antenna arrangement according to any of claims 1 to 9.

Technical Field

The embodiment of the disclosure relates to the technical field of antennas, in particular to an antenna structure and a mobile terminal.

Background

With the development of communication technology, the 5G (fifth generation mobile communication technology) communication age is coming.

In order to meet the requirement of 5G communication and simultaneously be compatible with frequency bands such as 4G/3G/2G, the number of antennas in the mobile terminal needs to be increased. However, the requirement of the user for the mobile terminal to be more lightweight and thinner is not changed, which results in a limited internal space of the mobile terminal and brings difficulty to the antenna design.

At present, the space utilization rate of an antenna in a mobile terminal is low.

Disclosure of Invention

The embodiment of the disclosure provides an antenna structure and a mobile terminal, which can be used for solving the technical problem of low space utilization rate of an antenna in the mobile terminal in the related art. The technical scheme is as follows:

according to a first aspect of embodiments of the present disclosure, there is provided an antenna structure, comprising: a first antenna and a second antenna;

the first antenna is used for radiating signals of a first frequency band;

the second antenna is used for radiating signals of a second frequency band, and the frequency of the second frequency band is higher than that of the first frequency band;

the second antenna is stacked above the first antenna.

Optionally, the area of the second antenna is smaller than the area of the first antenna.

Optionally, a projection of the second antenna on the plane where the first antenna is located in an edge area of the first antenna.

Optionally, a first support structure is disposed between the second antenna and the first antenna.

Optionally, the antenna structure further includes a third antenna, where the third antenna is configured to radiate a signal in a third frequency band, and a frequency of the third frequency band is higher than a frequency of the second frequency band;

the third antenna is stacked above the second antenna.

Optionally, the area of the third antenna is smaller than the area of the second antenna.

Optionally, a projection of the third antenna on the plane where the second antenna is located in an edge area of the second antenna.

Optionally, a second support structure is disposed between the third antenna and the second antenna.

Optionally, the antenna structure further includes a third antenna, where the third antenna is configured to radiate a signal in a third frequency band, and a frequency of the third frequency band is higher than a frequency of the first frequency band;

the third antenna is stacked above the first antenna, and the third antenna and the second antenna are disposed at different positions above the first antenna.

According to a second aspect of embodiments of the present disclosure, there is provided a mobile terminal comprising an antenna structure as described in the first aspect.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

through range upon range of setting up the second antenna on first antenna for the space utilization of antenna obtains promoting, reduces the cost of antenna, realizes the high integration of antenna, and further the overall arrangement that makes the antenna is more nimble. In addition, the utilization space of other hardware of the mobile terminal is increased, and the performance optimization of the whole mobile terminal system is facilitated.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic diagram of an antenna structure provided by an exemplary embodiment of the present disclosure;

fig. 2 is a schematic diagram of an antenna structure provided in another exemplary embodiment of the present disclosure;

fig. 3 illustrates a schematic plan view of an antenna structure when the second antenna and the third antenna are at different levels;

fig. 4 is a schematic diagram of an antenna structure provided by yet another exemplary embodiment of the present disclosure;

fig. 5 illustrates a schematic plan view of the antenna structure when the second antenna is at the same level as the third antenna;

fig. 6 is a schematic diagram of a mobile terminal according to an exemplary embodiment of the disclosure.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Fig. 1 is a schematic diagram of an antenna structure according to an exemplary embodiment of the present disclosure. As shown in fig. 1, the antenna structure 10 may include: a first antenna 11 and a second antenna 12.

The first antenna 11 is used for radiating signals of a first frequency band, and the second antenna 12 is used for radiating signals of a second frequency band. In an embodiment of the present disclosure, the first frequency band and the second frequency band are two different frequency bands, wherein the frequency of the second frequency band is higher than the frequency of the first frequency band. For example, the frequency range of the first frequency band is [ a, b ], the frequency range of the second frequency band is [ c, d ], the frequency of the second frequency band is higher than that of the first frequency band, which means that c is higher than b, and a, b, c, d are frequency values, and the unit can be hertz (Hz).

Alternatively, the first frequency band is a non-5G frequency band, and the non-5G frequency band is a frequency range of 2G (second generation mobile communication technology), 3G (third generation mobile communication technology), and 4G (fourth generation mobile communication technology) radio waves. The frequency range of the 4G frequency band comprises 3 frequencies of 1880-1900 MHz, 2320-2370 MHz and 2575-2635 MHz, and the frequencies of the 2G frequency band and the 3G frequency band are lower than the frequencies of the 4G frequency band.

Optionally, the second frequency band is a sub-6G frequency band (a frequency band below 6GHz, also referred to as FR1 frequency band) in the 5G frequency band, the 5G frequency band is a frequency range of 5G radio waves, and the frequency range of the sub-6G frequency band is 450MHz to 6000 MHz. Compared with the non-5G frequency band, the frequency range covered by the 5G frequency band is wider, i.e. the 5G frequency band is higher than the non-5G frequency band. The sub-6GHz band is the frequency range of the radio waves received or transmitted by the sub-6G antenna. Of course, in some other examples, the second frequency band may also be a millimeter wave frequency band in a 5G frequency band, where the millimeter wave frequency band is a frequency range of millimeter waves, the frequency range of the millimeter wave frequency band is 24.25GHz to 52.6GHz, and the millimeter wave frequency band is also referred to as an FR2 frequency band.

The second antenna 12 is stacked above the first antenna 11. Optionally, the first antenna 11 and the second antenna 12 are both flat, and have a thickness of 0.3-0.6 mm. Note that the thicknesses of the first antenna 11 and the second antenna 12 may be the same or different, and this is not limited in the embodiment of the present disclosure.

Optionally, the area of the second antenna 12 is smaller than the area of the first antenna 11, that is, when the second antenna 12 is stacked above the first antenna 11, it is necessary to ensure that the second antenna 12 cannot completely block the first antenna 11, so as to ensure normal receiving or transmitting of signals of the first antenna 11.

Optionally, the projection of the second antenna 12 on the plane of the first antenna 11 is located at the edge area of the first antenna 11. The edge area is an area of the first antenna 11 that is less than a certain threshold from the boundary of the antenna. Optionally, the threshold is determined according to the plane size of the first antenna 11, for example, when the plane size of the first antenna 11 is 50 × 10mm, an area less than 2mm from the boundary of the first antenna 11 is an edge area; for another example, when the planar size of the first antenna 11 is 100 × 20mm, the region less than 4mm from the boundary of the first antenna 11 is the edge region. Optionally, the second antenna 12 is disposed at a corner position or an edge position of the first antenna 11, which is not limited by the embodiment of the present disclosure. For example, when the first antenna 11 is rectangular or approximately rectangular, the projection area of the second antenna 12 on the plane where the first antenna 11 is located may be located adjacent to any corner of the first antenna 11, or may be located adjacent to any side of the first antenna 11.

Optionally, as shown in fig. 1, a first support structure 21 is provided between the second antenna 12 and the first antenna 11. The first supporting structure 21 is used to make a certain gap exist between the second antenna 12 and the first antenna 11, so as to avoid the interference of signals of the two antennas, thereby ensuring the normal receiving or transmitting of signals. The first support structure 21 has a non-conductive property. Alternatively, the material of the first supporting structure 21 may be rubber, glass, diamond, or non-conductive metal, etc., which is not limited in the embodiment of the present disclosure. Taking non-conductive metal as an example, a high polymer insulating coating can be obtained on the surface of the metal by using methods such as common coating, electrophoretic coating, electrostatic spraying, fluidized bed coating, flame spraying and the like; the inorganic non-metal insulating layer is obtained on the surface of the metal by using methods such as oxidation, passivation, phosphorization and the like.

In addition, the shape of the first supporting structure 21 may be a cylinder or a rectangular parallelepiped, and the like, which is not limited by the embodiment of the present disclosure. Besides, in the embodiment of the present disclosure, the number or size of the first supporting structures 21 is related to the size and shape of the first antenna 11 and the second antenna 12, which may be designed according to practical situations, and the embodiment of the present disclosure does not limit this.

To sum up, among the technical scheme that this disclosed embodiment provided, through range upon range of setting the second antenna on first antenna for the space utilization of antenna obtains promoting, reduces the cost of antenna, realizes the high integration of antenna, and further the overall arrangement that makes the antenna is more nimble. In addition, the utilization space of other hardware of the mobile terminal is increased, and the performance optimization of the whole mobile terminal system is facilitated.

Fig. 2 is a schematic diagram of an antenna structure according to another exemplary embodiment of the present disclosure. As shown in fig. 2, the antenna structure 10 includes a first antenna 11, a second antenna 12, and a third antenna 13.

The first antenna 11 is used for radiating signals of a first frequency band. The second antenna 12 is for radiating signals in a second frequency band. The third antenna 13 is for signals of a third frequency band. The frequency of the second frequency band is higher than that of the first frequency band, and the frequency of the third frequency band is higher than that of the second frequency band. For example, the frequency range of the first band is [ a, b ], the frequency range of the second band is [ c, d ], and the frequency range of the third band is [ e, f ]. The frequency of the second frequency band is higher than that of the first frequency band, namely c is larger than b; the third band is higher than the second band, meaning that e is greater than d. The values of a, b, c, d, e and f are frequency values, and the unit can be Hertz (Hz).

Optionally, the first frequency band is a non-5G frequency band, such as 2G, 3G and 4G frequency bands, the second frequency band is a sub-6G frequency band in the 5G frequency band, the third frequency band is a millimeter wave frequency band in the 5G frequency band, the millimeter wave frequency band is a frequency range of millimeter waves, and the millimeter waves are radio waves with a wavelength of 1-10 mm. For the descriptions of the non-5G frequency band, the sub-6G frequency band, and the millimeter wave frequency band, reference may be made to the above embodiments, which are not described herein again.

The second antenna 12 is stacked above the first antenna 11, and the third antenna 13 is stacked above the second antenna 12. Optionally, the third antenna 13 is shaped like a flat plate and has a thickness of 0.3-0.6 mm. Note that the thicknesses of the first antenna 11, the second antenna 12, and the third antenna 13 may be the same or different, and this is not limited in the embodiment of the present disclosure. The position where the second antenna 12 and the third antenna 13 are stacked may be the same or different. For example, the second antenna 12 is stacked on the upper left corner of the first antenna 11, and the third antenna 13 is stacked on the upper right corner of the second antenna 12; alternatively, the second antenna 12 is stacked on the upper left corner of the first antenna 11, and similarly, the third antenna 13 is stacked on the upper left corner of the second antenna 12, which is not limited in the embodiment of the disclosure.

Optionally, the area of the third antenna 13 is smaller than the area of the second antenna 12, that is, when the third antenna 13 is stacked above the second antenna 12, it is necessary to ensure that the third antenna 13 cannot completely shield the second antenna 12, so as to ensure normal receiving or transmitting of signals of the second antenna 12.

Optionally, the projection of the third antenna 13 on the plane of the second antenna 12 is located at the edge area of the second antenna 12. Similarly to the edge area of the first antenna 11, the edge area of the second antenna 12 is an area of the second antenna 12, which is less than a certain threshold from the boundary of the antenna. Optionally, the threshold is determined according to the planar size of the second antenna 12. Optionally, the third antenna 13 is disposed at a corner position or an edge position of the second antenna 12, which is not limited by the embodiment of the present disclosure. For example, when the second antenna 12 is rectangular or approximately rectangular, the projection area of the third antenna 13 on the plane of the second antenna 12 may be located adjacent to any corner of the second antenna 12, or located adjacent to any side of the second antenna 12.

Optionally, as shown in fig. 2, a second support structure 22 is provided between the third antenna 13 and the second antenna 12. Like the first support structure 21, the second support structure 22 is used to allow a gap between the third antenna 13 and the second antenna 12, so as to avoid interference between signals of the two antennas, thereby ensuring normal reception or transmission of signals, and the second support structure 21 has a non-conductive characteristic. Alternatively, the material of the second support structure 22 may be rubber, glass, diamond, or non-conductive metal, etc., which is not limited by the embodiment of the present disclosure.

In addition, the shape of the second supporting structure 22 may be a cylinder or a rectangular parallelepiped, etc., which is not limited by the disclosed embodiment. Besides, in the embodiment of the present disclosure, the number or size of the second support structures 22 is related to the size and shape of the second and third antennas 12 and 13.

It should be noted that the second support structure 22 and the first support structure 21 may be made of the same material, shape, or size, or may be different from each other, which may be designed according to actual situations, and the embodiment of the present disclosure does not limit this.

For the above-mentioned stacking manner, the second antenna 12 and the third antenna 13 are at different levels, and referring to fig. 3, taking the same stacking position of the second antenna 12 and the third antenna 13 as an example, in the antenna structure 10, the first antenna 11 is disposed at the bottommost layer, the second antenna 12 is stacked on the upper left corner of the first antenna 11 through the first supporting structure 21 (not shown in fig. 3), and the third antenna 13 is stacked on the upper left corner of the second antenna 12 through the second supporting structure 22 (not shown in fig. 3).

In summary, in the technical scheme provided by the embodiment of the present disclosure, the third antenna is stacked and disposed in the edge area of the second antenna, so that the signal receiving or transmitting range of the antenna is expanded, the cost of the antenna is reduced, and the high integration of the antenna is realized.

Fig. 4 is a schematic diagram of an antenna structure according to still another exemplary embodiment of the present disclosure. As shown in fig. 4, the antenna structure 10 includes a first antenna 11, a second antenna 12, and a third antenna 13.

The first antenna 11 is used for radiating signals of a first frequency band. The second antenna 12 is for radiating signals in a second frequency band. The third antenna 13 is for radiating a signal of a third frequency band. The second frequency band has a frequency higher than that of the first frequency band, and the third frequency band has a frequency higher than that of the first frequency band. For example, the frequency range of the first band is [ a, b ], the frequency range of the second band is [ c, d ], and the frequency range of the third band is [ e, f ]. The frequency of the second frequency band is higher than that of the first frequency band, namely c is larger than b; the third frequency band has a higher frequency than the first frequency band, meaning that e is greater than b. The values of a, b, c, d, e and f are frequency values, and the unit can be Hertz (Hz).

In a possible implementation manner, the first frequency band is a non-5G frequency band, such as 2G, 3G and 4G frequency bands, the second frequency band is a sub-6G frequency band in the 5G frequency band, and the third frequency band is a millimeter wave frequency band in the 5G frequency band. In another possible implementation, the first frequency band is a non-5G frequency band, such as 2G, 3G and 4G frequency bands, the second frequency band is a millimeter wave frequency band in the 5G frequency band, and the third frequency band is a sub-6G frequency band in the 5G frequency band.

Wherein the second antenna 12 is stacked above the first antenna 11, the third antenna 13 is stacked above the first antenna 11, and the third antenna 13 and the second antenna 12 are disposed at different positions above the first antenna 11. For example, the second antenna 12 is stacked on the upper left corner of the first antenna 11, and the third antenna 13 is stacked on the upper right corner of the first antenna 11.

It should be noted that the areas, the stacking areas, and the supporting structures of the first antenna 11, the second antenna 12, or the third antenna 13 have been described in detail above, and are not described again here.

For the above-mentioned stacking manner, the second antenna 12 and the third antenna 13 are at the same level, and referring to fig. 5, taking the example that the stacking positions of the second antenna 12 and the third antenna 13 are different, in the antenna structure 10, the first antenna 11 is disposed at the bottommost layer, the second antenna 12 is stacked at the upper left corner of the first antenna 11 through the first supporting structure 21 (not shown in fig. 3), and the third antenna 13 is stacked at the lower right corner of the first antenna 12 through the second supporting structure 22 (not shown in fig. 3).

To sum up, among the technical scheme that this disclosed embodiment provided, through with the range upon range of setting at the border region of first antenna of third antenna range upon range of for second antenna and third antenna are in same level, have enlarged the receipt or the sending range of signal, have promoted the space utilization of antenna, reduce the cost of antenna, realize the high integration of antenna.

It should be noted that, in the foregoing several embodiments, the technical solution of the present disclosure is described mainly by taking a case that the antenna structure includes 2 antennas or 3 antennas as an example, in an actual application, if necessary, the antenna structure may further include 4 or more antennas, each antenna may be stacked according to the technical solution provided in the foregoing embodiments, a frequency range of the antenna located above is greater than a frequency range of the antenna located below, and one antenna (as shown in the embodiment of fig. 2) may be stacked above one antenna, or multiple antennas (as shown in the embodiment of fig. 3) may be stacked above one antenna, but all of them are within the protection scope of the present disclosure.

Fig. 6 is a schematic diagram of a mobile terminal according to an exemplary embodiment of the disclosure. The mobile terminal comprises the antenna arrangement 10 described in the above embodiments.

Alternatively, as shown in fig. 6, the antenna structure 10 is located in the upper left corner of the mobile terminal 60. The antenna structure 10 is connected to a feed circuit 61 and a ground circuit 62. The feed circuit 61 is used to provide power to the antenna structure 10 to ensure proper operation of the antenna structure 10. The ground circuit 62 serves to protect the antenna structure 10 from excessive currents in the event of a failure of the feed circuit 61.

In one possible embodiment, at least two of the first antenna 11, the second antenna 12 and the third antenna 13 are connected to different feed circuits 61, and at least two of the first antenna 11, the second antenna 12 and the third antenna 13 are connected to different ground circuits 62. For example, the first antenna 11 is connected to a feed circuit a and a ground circuit a; the second antenna 12 is connected with the feed circuit B and the grounding circuit B; the third antenna 13 is connected to the feed circuit C and the ground circuit C. In another possible embodiment, the first antenna 11, the second antenna 12 or the third antenna 21 are connected to the same feed circuit 61 or ground circuit 62, for example: the first antenna 11, the second antenna 12 or the third antenna 13 are connected to the same feed circuit, while the first antenna 11, the second antenna 12 or the third antenna 13 are connected to the same ground circuit.

Alternatively, the placement of the antenna structure 10 in different mobile terminals is different. For example, the antenna structure may be placed at the upper left corner, the upper right corner, the lower left corner, or the lower right corner of the mobile terminal 60, and so on, which is not limited in the embodiment of the present disclosure.

Optionally, the mobile terminal 60 further includes: a screen display, a power supply battery, a camera, a distance sensor, a pressure sensor, a Central Processing Unit (CPU), etc., which are not limited in the embodiments of the present disclosure.

To sum up, among the technical scheme that this disclosed embodiment provided, through range upon range of setting the second antenna on first antenna for the space utilization of antenna obtains promoting, reduces the cost of antenna, realizes the high integration of antenna, and further the overall arrangement that makes the antenna is more nimble. In addition, the utilization space of other hardware of the mobile terminal is increased, and the performance optimization of the whole mobile terminal system is facilitated.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.