Antenna module and communication equipment
By designing an antenna module including circuit board, feeding assembly, patch antenna and dielectric in a communication device, the problems of multi-band signal coverage and antenna layout are solved, and smaller sizes and better radiation performance are achieved.
Patent Information
- Application Number
- CN202420901455.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-04-26
AI Technical Summary
When existing communication equipment needs to cover signals from different frequency bands, it is difficult to layout the antenna unit and occupy a large space.
An antenna module is provided to achieve the coverage of multi-band signals through a combination of a circuit board, a feeding assembly, a first radiation patch antenna, a dielectric and a second radiation patch antenna, and to reduce the overall size of the antenna by loading a dielectric to improve radiation performance.
The coverage of multi-band signals is achieved, the overall size of the antenna is reduced, and the radiation performance of the antenna is improved.
Smart Images
Figure CN222826606U_ABST
Abstract
Description
Technical Field
[0001] The embodiments of the present application relate to the field of communication technology, and in particular to an antenna module and a communication device. Background Art
[0002] With the rapid development of mobile communications, the functions of communication equipment are becoming increasingly rich. For example, a communication device can complete the coverage of GPS signals and WIFI signals. When covering different frequency bands, usually one antenna unit completes the transmission of one frequency band signal. Therefore, when it is necessary to cover signals of different frequency bands, more and more antenna units are needed. Under limited volume space, the layout of antenna units is becoming more and more difficult.
[0003] In the process of implementing the embodiments of the present application, the inventors found that the integrated application of existing communication equipment usually requires multiple independent antennas to be loaded on the communication equipment to achieve coverage of signals in multiple frequency bands, which occupies a large space. Utility Model Content
[0004] The main technical problem solved by the embodiments of the present application is to provide an antenna module that can integrate multiple antennas into one communication device, reduce the overall size of the antenna, and enable the antenna to have better radiation performance.
[0005] To solve the above technical problems, a technical solution adopted in an embodiment of the present application is: providing an antenna module, the antenna module comprising a circuit board, a feeding component, a first radiating patch antenna, a dielectric and a second radiating patch antenna; the feeding component is arranged on the circuit board; the first radiating patch antenna is arranged on the surface of the circuit board, and one end of the radiating patch antenna is connected to the feeding component; the dielectric is arranged on the first radiating patch antenna, the dielectric is provided with a conductive layer, and the conductive layer is connected to the first radiating patch antenna; the second radiating patch antenna is arranged on the circuit board, and the first radiating patch antenna is connected to the second radiating patch antenna.
[0006] Optionally, the first radiating patch antenna includes a first radiation pattern, a second radiation pattern and a third radiation pattern, one end of the first radiation pattern is connected to the feeding component, the second radiation pattern is embedded in the third radiation pattern, the other end of the first radiation pattern is connected to the third radiation pattern, and the dielectric covers the third radiation pattern.
[0007] Optionally, the first radiation pattern includes a first radiation branch, a second radiation branch and a first radiation portion, the first radiation branch is vertically arranged to the second radiation branch, one end of the second radiation branch is connected to the feeding component, the other end of the second radiation branch is connected to the first radiation portion, and the first radiation portion is connected to the third radiation pattern.
[0008] Optionally, the second radiation pattern includes a third radiation branch and a fourth radiation branch, one end of the third radiation branch is vertically connected to one side of the circuit board, one end of the fourth radiation branch is vertically connected to the third radiation branch, and the fourth radiation branch is embedded in the third radiation pattern.
[0009] Optionally, the third radiation pattern includes a fifth radiation branch, a sixth radiation branch and a seventh radiation branch, the fifth radiation branch is spaced apart from the third radiation branch, both ends of the sixth radiation branch are vertically connected to the fifth radiation branch and the seventh radiation branch respectively, and the dielectric covers the fifth radiation branch.
[0010] Optionally, the feeding component includes a feeding point and a transmission line, the feeding point is arranged on the circuit board, one end of the transmission line is connected to the feeding point, and the other end of the transmission line is connected to the first radiation pattern.
[0011] Optionally, the circuit board includes a first plate body, a dielectric resonance plate body and a second plate body, the dielectric resonance plate body includes a first surface and a second surface arranged opposite to each other, the first plate body is arranged on the first surface, and the second plate body is arranged on the second surface.
[0012] Optionally, the antenna module includes a plurality of metal pillars, the dielectric resonance plate is provided with a plurality of through holes, and one of the metal pillars passes through one of the through holes and abuts against the first plate and the second plate respectively.
[0013] Optionally, the dielectric constant of the dielectric is 9.8.
[0014] In order to solve the above technical problems, another technical solution adopted in the embodiments of the present application is: providing a communication device, comprising any one of the above antenna modules.
[0015] An embodiment of the present application provides an antenna module, which includes a circuit board, a feeding component, a first radiating patch antenna, a dielectric, and a second radiating patch antenna; the feeding component is arranged on the circuit board; the first radiating patch antenna is arranged on the surface of the circuit board, and one end of the radiating patch antenna is connected to the feeding component; the dielectric is arranged on the first radiating patch antenna, and the dielectric is provided with a conductive layer, and the conductive layer is connected to the first radiating patch antenna; the second radiating patch antenna is arranged on the circuit board, and the first radiating patch antenna is connected to the second radiating patch antenna. By arranging the first radiating patch antenna and the second radiating patch antenna, two frequency bands of WIFI antenna and two frequency bands of GPS transmission are realized, and the dielectric is arranged on the first radiating patch antenna. While realizing the output of four frequency bands, by loading the dielectric, the overall size of the antenna can be reduced, and the antenna can have better radiation performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.
[0017] Figure 1 is a schematic diagram of an antenna module according to an embodiment of the present application;
[0018] Figure 2 yes Figure 1 A partial enlarged view of the middle A part;
[0019] Figure 3 is another schematic diagram of the antenna module according to an embodiment of the present application;
[0020] Figure 4 yes Figure 3 A partial enlarged view of part B in the middle;
[0021] Figure 5 is another schematic diagram of the antenna module according to an embodiment of the present application;
[0022] Figure 6 yes Figure 5 A partial enlarged view of the middle C part;
[0023] Figure 7 It is the signal coverage map of the antenna module;
[0024] Figure 8 is the efficiency diagram of the antenna module.
[0025] The figure numbers in the specific implementation manner are as follows: 100, antenna module; 10 circuit board; 101, first board body; 102, dielectric resonant board body; 103, second board body; 20, feeding assembly; 201, feeding point; 202, transmission line; 30, first radiating patch antenna; 301, first radiation pattern; 311, first radiation branch; 312, second radiation branch; 313, first radiation part; 302, second radiation pattern; 321, third radiation branch; 322, fourth radiation branch; 303, third radiation pattern; 331, fifth radiation branch; 332, sixth radiation branch; 333, seventh radiation branch; 40, dielectric; 401, conductive layer; 50, second radiating patch antenna; 60, metal column. DETAILED DESCRIPTION
[0026] In order to facilitate the understanding of the present application, the present application is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on another element or there can be one or more centered elements therebetween. When an element is described as "connected" to another element, it can be directly connected to another element or there can be one or more centered elements therebetween. The orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "vertical", "horizontal", etc. used in this specification is based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0027] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.
[0028] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.
[0029] See also Figures 1 to 4, the antenna module 100 includes: a circuit board 10, a feeding component 20, a first radiating patch antenna 30, a dielectric 40 and a second radiating patch antenna 50; the feeding component 20 is arranged on the circuit board 10; the first radiating patch antenna 30 is arranged on the surface of the circuit board 10, and one end of the radiating patch antenna is connected to the feeding component 20; the dielectric 40 is arranged on the first radiating patch antenna 30, and the dielectric is provided with a conductive layer 401, and the conductive layer 401 is connected to the first radiating patch antenna 30; the second radiating patch antenna 50 is arranged on the circuit board 10, and the first radiating patch antenna 30 is connected to the second radiating patch antenna 50. By arranging the first radiating patch antenna 30 and the second radiating patch antenna 50, the WIFI antenna and the GPS antenna are integrated on the circuit board 10. While realizing the output of four frequency bands, by loading the dielectric 40, the overall size of the antenna can be reduced, and the antenna can have better radiation performance. Please combine Figure 7 , Figure 7 The simulation result of the signal coverage of the antenna module 100 shows that the antenna module 100 can adjust the resonant frequencies of the four signals. Figure 8 , Figure 8 It is the antenna signal efficiency diagram of the antenna module.
[0030] In an embodiment of the present application, the circuit board 10 is provided with a metallized via, and the first radiating patch antenna 30 is connected to the second radiating patch antenna 50 through the metallized via, so that the antenna module 100 can adjust the resonant frequency of WIFI5G and the resonant frequency of WIFI6E.
[0031] In the embodiment of the present application, the dielectric 40 is an MLCC (ceramic capacitor) having a dielectric constant of 9.8. The dielectric 40 having a dielectric constant of 9.8 loaded on the circuit board 10 can reduce the overall size of the antenna and enable the antenna to have better radiation performance.
[0032] In this embodiment, the circuit board 10 is provided with a clearance area, and the first radiating patch antenna 30 and the second radiating patch antenna 50 are arranged in the clearance area. The size of the clearance area is 6mm*11mm, and the size of the clearance area can be adjusted according to actual conditions to further achieve the miniaturization of the antenna module 100100.
[0033] Please continue reading Figure 2The first radiation patch antenna 30 includes a first radiation pattern 301, a second radiation pattern 302 and a third radiation pattern 303, one end of the first radiation pattern 301 is connected to the feeding component 20, the second radiation pattern 302 is embedded in the third radiation pattern 303, the other end of the first radiation pattern 301 is connected to the third radiation pattern 303, and the dielectric 40 covers the third radiation pattern 303, the first radiation pattern 301 adjusts the WIFI5G resonant frequency, the second radiation pattern 302 adjusts the GPS resonant frequency band of 12.4GHZ, the third radiation pattern 303 adjusts the GPS frequency band tuning of 1.57542GHz, and setting the dielectric 40 in the third radiation pattern 303 can reduce the overall size of the antenna module 100.
[0034] For details, please refer to Figure 6 The first radiation pattern 301 includes a first radiation branch 311, a second radiation branch 312 and a first radiation portion 313, the first radiation branch 311 is vertically arranged at the second radiation branch 312, one end of the second radiation branch 312 is connected to the feeding component 20, the other end of the second radiation branch 312 is connected to the first radiation portion 313, and the first radiation portion 313 is connected to the third radiation pattern 303. Through the above arrangement, the first radiation pattern 301 adjusts the resonant frequency of WIFI5G and the resonant frequency of WIFI6E.
[0035] Please continue reading Figure 6 The second radiation pattern 302 includes a third radiation branch 321 and a fourth radiation branch 322, one end of the third radiation branch 321 is vertically connected to one side of the circuit board 10, one end of the fourth radiation branch 322 is vertically connected to the third radiation branch 321, and the fourth radiation branch 322 is embedded in the third radiation pattern 303. Through the above arrangement, a GPS tuning branch with a frequency band of 12.4GHZ can be formed. The third radiation pattern 303 includes a fifth radiation branch 331, a sixth radiation branch 332 and a seventh radiation branch 333. Further, the fifth radiation branch 331 is spaced apart from the third radiation branch 321, and both ends of the sixth radiation branch 332 are vertically connected to the fifth radiation branch 331 and the seventh radiation branch 333 respectively, and the dielectric 40 covers the fifth radiation unit, which can form a GPS frequency band tuning branch with a frequency band of 1.57542GHz.
[0036] Please refer to Figure 2The feeding component 20 includes a feeding point 201 and a transmission line 202. The feeding point 201 is set on the circuit board 10. One end of the transmission line 202 is connected to the feeding point 201, and the other end of the transmission line 202 is connected to the first radiation pattern 301, ensuring the smooth transmission of the signal from the circuit board 10 to the feeding component 2020, reducing the loss of the signal during the transmission process, and improving the integrity and stability of the signal. In addition, the transmission line 202 enables the signal to be evenly distributed to the first radiation patch antenna 30 and the second radiation patch antenna 50, providing stable feeding for the antenna module 100.
[0037] In an embodiment of the present application, the antenna module 100 also includes a parasitic branch (not shown), which is arranged on the circuit board 10, and the parasitic branch can form a tuning branch for controlling the WIFI6E frequency band.
[0038] Please continue reading Figure 6 The circuit board 10 includes a first plate body 101, a dielectric resonant plate body 102 and a second plate body 103. The dielectric resonant plate body 102 includes a first surface (not shown) and a second surface (not shown) arranged opposite to each other. The first plate body 101 is arranged on the first surface, and the second plate body 103 is arranged on the second surface. The dielectric resonant plate body 102 can improve the resonance performance of the antenna module 100. The dielectric resonant plate body 102 is often made of a material with a high dielectric constant, which helps to reduce the size of the antenna while maintaining a high resonant frequency. The arrangement of the first plate body 101 and the second plate body 103 enhances the stability and reliability of the circuit board, can reduce the deformation or damage of the dielectric resonant plate body 102 during operation, and also helps to improve the overall mechanical strength of the circuit board, ensuring that it can maintain stability and reliability during use.
[0039] In some embodiments, the antenna module 100 includes a plurality of metal pillars 60 , the dielectric resonant plate 102 is provided with a plurality of through holes, and one of the metal pillars 60 passes through one of the through holes and abuts against the first plate 101 and the second plate 103 respectively, thereby fixing the antenna module 100 .
[0040] In the embodiment of the present application, the antenna module 100 may also be provided with a plurality of inductors, and the antenna module 100 may be tuned by adjusting the parameters of the inductors so that the antenna module 100 may be applied to different environments.
[0041] The embodiment of the present application provides an antenna module 100, which includes a circuit board, a feeding component 20, a first radiating patch antenna 30, a dielectric 40, and a second radiating patch antenna 50; the feeding component 20 is arranged on the circuit board; the first radiating patch antenna 30 is arranged on the surface of the circuit board, and one end of the radiating patch antenna is connected to the feeding component 20; the dielectric 40 is arranged on the first radiating patch antenna 30, and the dielectric is provided with a conductive layer 401, and the conductive layer 401 is connected to the first radiating patch antenna 30; the second radiating patch antenna 50 is arranged on the circuit board, and the first radiating patch antenna 30 is connected to the second radiating patch antenna 50. By arranging the first radiating patch antenna 30 and the second radiating patch antenna 50, two frequency bands of WIFI antenna and two frequency bands of GPS transmission are realized, and the dielectric 40 is arranged on the first radiating patch antenna 30. While realizing the output of four frequency bands, by loading the dielectric 40, the overall size of the antenna can be reduced, and the antenna can have better radiation performance.
[0042] The present application also provides a communication device. The specific implementation method can refer to the above antenna module 100 embodiment, which will not be described here one by one. The above description is only an embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made by using the content of the present application specification and drawings, or directly or indirectly used in other related technical fields, is also included in the patent protection scope of the present application.
Claims
1. An antenna module, characterized in that: include: Circuit boards; A feeding component, arranged on the circuit board; A first radiating patch antenna is disposed on the surface of the circuit board, and one end of the radiating patch antenna is connected to the feeding component; A dielectric, the dielectric is arranged on the first radiating patch antenna, the dielectric is provided with a conductive layer, and the conductive layer is connected to the first radiating patch antenna; The second radiating patch antenna is arranged on the circuit board, and the first radiating patch antenna is connected to the second radiating patch antenna.
2. The antenna module according to claim 1, characterized in that: The first radiating patch antenna includes a first radiation pattern, a second radiation pattern and a third radiation pattern, one end of the first radiation pattern is connected to the feeding component, the second radiation pattern is embedded in the third radiation pattern, the other end of the first radiation pattern is connected to the third radiation pattern, and the dielectric covers the third radiation pattern.
3. The antenna module according to claim 2, characterized in that: The first radiation pattern includes a first radiation branch, a second radiation branch and a first radiation portion, the first radiation branch is vertically arranged to the second radiation branch, one end of the second radiation branch is connected to the feeding component, the other end of the second radiation branch is connected to the first radiation portion, and the first radiation portion is connected to the third radiation pattern.
4. The antenna module according to claim 2, characterized in that: The second radiation pattern includes a third radiation branch and a fourth radiation branch, one end of the third radiation branch is vertically connected to one side of the circuit board, one end of the fourth radiation branch is vertically connected to the third radiation branch, and the fourth radiation branch is embedded in the third radiation pattern.
5. The antenna module according to claim 4, characterized in that: The third radiation pattern includes a fifth radiation branch, a sixth radiation branch and a seventh radiation branch. The fifth radiation branch is spaced apart from the third radiation branch. Both ends of the sixth radiation branch are vertically connected to the fifth radiation branch and the seventh radiation branch respectively, and the dielectric covers the fifth radiation branch.
6. The antenna module according to claim 2, characterized in that: The feeding component includes a feeding point and a transmission line, the feeding point is arranged on the circuit board, one end of the transmission line is connected to the feeding point, and the other end of the transmission line is connected to the first radiation pattern.
7. The antenna module according to claim 1, characterized in that: The circuit board includes a first plate body, a dielectric resonance plate body and a second plate body. The dielectric resonance plate body includes a first surface and a second surface that are oppositely arranged. The first plate body is arranged on the first surface, and the second plate body is arranged on the second surface.
8. The antenna module according to claim 7, characterized in that: The antenna module includes a plurality of metal pillars. The dielectric resonant plate is provided with a plurality of through holes. One of the metal pillars passes through one of the through holes and abuts against the first plate and the second plate respectively.
9. The antenna module according to claim 1, characterized in that: The dielectric constant of the dielectric is 9.
8.
10. A communication device, characterized in that: Comprising the antenna module as described in any one of claims 1-9.