阅读说明：本技术 一种双环天线、天线模组及移动终端 (Double-ring antenna, antenna module and mobile terminal ) 是由 苏红强 于 2020-06-30 设计创作，主要内容包括：本发明公开了一种双环天线、天线模组及移动终端,该天线包括第一天线辐射单元和第二天线辐射单元；所述第一天线辐射单元和所述第二天线辐射单元在不同平面上呈交错设置但不连接；所述第一天线辐射单元设置有第一末端和第二末端；所述第二天线辐射单元设置有第三末端和第四末端；使用时,所述第一末端、第二末端、第三末端和第四末端中的任一作为馈电部与信号源连接,其余则作为接地部与金属地连接。本发明通过设计在不同平面上呈交错设置但不连接的第一天线辐射单元和第二天线辐射单元,可使得天线满足不同通信制式对频段的需求,频段覆盖范围更广、空间有效利用率更高,且由于信号源可以与任一末端连接,布局设计较为灵活,适于大范围推广应用。(The invention discloses a double-loop antenna, an antenna module and a mobile terminal, wherein the antenna comprises a first antenna radiation unit and a second antenna radiation unit; the first antenna radiation element and the second antenna radiation element are arranged in a staggered mode on different planes but are not connected; the first antenna radiating element is provided with a first end and a second end; the second antenna radiation unit is provided with a third tail end and a fourth tail end; when the metal grounding connector is used, any one of the first tail end, the second tail end, the third tail end and the fourth tail end is used as a feeding part to be connected with a signal source, and the rest is used as a grounding part to be connected with a metal ground. According to the invention, the first antenna radiation unit and the second antenna radiation unit which are arranged in a staggered manner but are not connected with each other on different planes are designed, so that the antenna can meet the requirements of different communication systems on frequency bands, the frequency band coverage is wider, the space effective utilization rate is higher, and a signal source can be connected with any terminal, so that the layout design is more flexible, and the antenna is suitable for large-scale popularization and application.)

1. A dual-loop antenna, comprising a first antenna radiating element and a second antenna radiating element;

the first antenna radiation element and the second antenna radiation element are arranged in a staggered mode on different planes but are not connected;

the first antenna radiating element is provided with a first end and a second end;

the second antenna radiation unit is provided with a third tail end and a fourth tail end;

when the metal grounding connector is used, any one of the first tail end, the second tail end, the third tail end and the fourth tail end is used as a feeding part to be connected with a signal source, and the rest is used as a grounding part to be connected with a metal ground.

2. The dual loop antenna of claim 1, wherein the first antenna radiating element comprises a first radiating section, a first feed section, and a second feed section;

one end of the first feeder segment is connected with one end of the first radiation segment, and one end of the second feeder segment is connected with the other end of the first radiation segment.

3. The dual-loop antenna of claim 2, wherein the first end is disposed at the other end of the first feed segment;

the second end is disposed at the other end of the second feeder segment.

4. The dual-loop antenna of claim 1, wherein the second antenna radiating element comprises a second radiating section, a third feed section, and a fourth feed section;

one end of the third feeder segment is connected with one end of the second radiating segment, and one end of the fourth feeder segment is connected with the other end of the second radiating segment.

5. The dual-loop antenna of claim 4, wherein the third end is disposed at the other end of the third feed segment;

the fourth end is disposed at the other end of the fourth feeder segment.

6. The dual-loop antenna of claim 1, wherein at least one resonant branch is disposed on each of the first and second antenna radiating elements.

7. An antenna module comprising a signal source, a metal ground and an antenna, wherein the antenna is a dual-loop antenna as claimed in any one of claims 1 to 6;

any one of the first end, the second end, the third end and the fourth end is used as a feeding part to be connected with the signal source, and the rest is used as a grounding part to be connected with the metal ground.

8. An antenna module according to claim 7, characterized in that the feeding portion is connected to the signal source by lumped elements or adjustable elements.

9. The antenna module of claim 7, wherein the ground is connected to the metal ground through a lumped element or an adjustable element.

10. A mobile terminal, characterized in that it comprises an antenna module according to any of claims 7-9.

Technical Field

The embodiment of the invention relates to the technical field of antenna multi-frequency design, in particular to a double-loop antenna, an antenna module and a mobile terminal.

Background

With the rapid development of wireless communication technology, people have more and more urgent needs for acquiring information in a wireless manner anytime and anywhere, and microwave/radio frequency circuits and systems are receiving more and more attention. The antenna is an important component in a microwave radio frequency circuit and plays a role in signal radiation and receiving.

At present, in order to adapt to the development of a wireless communication system towards multifunction, high data transmission rate and miniaturization, an antenna is required to have the characteristics of multiple frequency bands, compact structure and low cost. However, the miniaturization results in a step-by-step compression of space in the mobile terminal, which makes multi-frequency design of the antenna increasingly difficult.

The existing antenna multi-frequency design mainly adopts a parasitic mode, namely, the parasitic branches are resonated by adding rectangular and L-shaped parasitic branches and coupling action, so that the multi-frequency characteristic is realized. With the development of the technology, the performance requirements of the antenna products in the market are higher and higher, and the above prior art has the following defects, which are difficult to meet the requirements:

1. since the feeding portion is fixed, the layout design is not flexible enough;

2. limited coverage and poor space efficiency.

Therefore, how to provide an antenna capable of overcoming the above-mentioned drawbacks has become a technical problem to be solved by those skilled in the art.

Disclosure of Invention

The invention provides a double-loop antenna, an antenna module and a mobile terminal, aiming at solving the defects of the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

in a first aspect, an embodiment of the present invention provides a dual-loop antenna, including a first antenna radiation unit and a second antenna radiation unit;

the first antenna radiation element and the second antenna radiation element are arranged in a staggered mode on different planes but are not connected;

the first antenna radiating element is provided with a first end and a second end;

the second antenna radiation unit is provided with a third tail end and a fourth tail end;

when the metal grounding connector is used, any one of the first tail end, the second tail end, the third tail end and the fourth tail end is used as a feeding part to be connected with a signal source, and the rest is used as a grounding part to be connected with a metal ground.

Further, in the dual-loop antenna, the first antenna radiating element includes a first radiating section, a first feeder section, and a second feeder section;

one end of the first feeder segment is connected with one end of the first radiation segment, and one end of the second feeder segment is connected with the other end of the first radiation segment.

Further, in the dual-loop antenna, the first end is disposed at the other end of the first feeder segment;

the second end is disposed at the other end of the second feeder segment.

Further, in the dual-loop antenna, the second antenna radiation unit includes a second radiation section, a third feed section, and a fourth feed section;

one end of the third feeder segment is connected with one end of the second radiating segment, and one end of the fourth feeder segment is connected with the other end of the second radiating segment.

Further, in the dual-loop antenna, the third end is disposed at the other end of the third feeder segment;

the fourth end is disposed at the other end of the fourth feeder segment.

Further, in the dual-loop antenna, the first antenna radiating element and the second antenna radiating element are both provided with at least one resonant branch.

In a second aspect, an embodiment of the present invention provides an antenna module, including a signal source, a metal ground, and an antenna, where the antenna is a dual-loop antenna as described in the first aspect;

any one of the first end, the second end, the third end and the fourth end is used as a feeding part to be connected with the signal source, and the rest is used as a grounding part to be connected with the metal ground.

Further, in the antenna module, the feeding portion is connected to the signal source through a lumped element or an adjustable unit.

Further, in the antenna module, the grounding part is connected with the metal ground through a lumped element or an adjustable unit.

In a third aspect, an embodiment of the present invention provides a mobile terminal, where the mobile terminal includes the antenna module according to the second aspect.

According to the double-loop antenna, the antenna module and the mobile terminal provided by the embodiment of the invention, the first antenna radiation unit and the second antenna radiation unit which are arranged in a staggered manner on different planes and are not connected are designed, so that the antenna can meet the requirements of different communication systems on frequency bands, the frequency band coverage is wider, the space effective utilization rate is higher, and a signal source can be connected with any tail end, so that the layout design is more flexible, and the double-loop antenna, the antenna module and the mobile terminal are suitable for large-scale popularization and application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a dual-loop antenna according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another view angle of a dual-loop antenna according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a resonant branch provided on a first antenna radiating element according to an embodiment of the present invention;

FIG. 4 is a verification diagram of callback loss in an embodiment of the present invention;

fig. 5 is a verification diagram of the radiation efficiency of the antenna corresponding to the return loss of fig. 4 in the embodiment of the present invention.

Reference numerals:

a first antenna radiation element 10, a second antenna radiation element 20;

a first radiating section 11, a first feeder section 12, a second feeder section 13, a first end 14, a second end 15;

a second radiating section 21, a third feeder section 22, a fourth feeder section 23, a third end 24, a fourth end 25.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.