Antenna module and communication equipment

Abstract

The embodiment of the utility model relates to the technical field of communication, and discloses an antenna module and communication equipment, and the antenna module comprises a circuit board, a feed assembly and a radiation patch antenna. The feed assembly is arranged on the circuit board; the radiation patch antenna is arranged on the surface of the circuit board, one end of the radiation patch antenna is connected with the feed assembly, the radiation patch antenna comprises a dielectric medium and a radiation pattern covering the dielectric medium, and the radiation pattern is connected with the feed assembly. Through the above mode, the embodiment of the utility model can optimize the routing layout and simplify the connection mode, and has the characteristics of multi-band coverage and high signal quality.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of communication technology, and in particular, to an antenna and a communication device. Background Art

[0002] With the rapid development of wireless communication technology, LTE (Long Term Evolution), as the fourth generation mobile communication technology, has been widely used in mobile communication networks around the world. In order to meet the growing demand for data transmission and improve communication quality and efficiency, the research and development and application of LTE full-band antennas are particularly important.

[0003] During the implementation of the embodiments of the present application, the inventors found that currently, existing LTE antennas often require complex routing layouts to cover more frequency bands, which increases manufacturing costs and maintenance difficulties. Utility Model Content

[0004] The main technical problem solved by the embodiments of the present application is to provide an antenna module and a communication device. By setting a radiating patch antenna on a circuit board, the wiring layout can be optimized, the connection method is simplified, and it has the characteristics of multi-band coverage and high signal quality.

[0005] In order to solve the above technical problems, a technical solution adopted in an embodiment of the present application is: providing an antenna module, including a circuit board, a feeding component and a radiating patch antenna; the feeding component is arranged on the circuit board; the 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 radiating patch antenna includes a dielectric and a radiation pattern covering the dielectric, wherein the radiation pattern is connected to the feeding component.

[0006] Optionally, the radiation pattern includes a first pattern, a second pattern and a third pattern, the second pattern is arranged between the first pattern and the third pattern, and the feeding component is connected to the first pattern, the second pattern and the third pattern respectively.

[0007] Optionally, the first pattern includes a first radiating portion, a second radiating portion and a third radiating portion, the first radiating portion and the second radiating portion are connected to the third radiating portion, and a first feeding pin is provided at one end of the third radiating portion, a second feeding pin is provided at one end of the second pattern, and a third feeding pin is provided at the third pattern, and the feeding component is respectively connected to the first feeding pin, the second feeding pin and the third feeding pin.

[0008] Optionally, the feeding component includes a feeding point, a transmission line, a first feeding branch, a second feeding branch and a third feeding branch, 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 respectively connected to the first feeding branch, the second feeding branch and the third feeding branch, and the first feeding branch is connected to the first feeding pin, the second feeding branch is connected to the second feeding pin, and the third feeding branch is connected to the third feeding pin.

[0009] 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.

[0010] Optionally, the circuit board is provided with a clearance area, and the radiation patch antenna is arranged in the clearance area.

[0011] Optionally, the dielectric resonant plate is further provided with a plurality of metallized through holes, and the antenna module further comprises a plurality of fixing posts, wherein one of the fixing posts passes through one of the metallized holes and abuts against the first plate and the second plate respectively.

[0012] Optionally, the antenna module further includes a first welding portion, a second welding portion and a third welding portion, the first pattern is welded to the first welding portion, one end of the second pattern is welded to the second welding portion, and the third pattern is welded to the third welding portion.

[0013] In order to solve the above technical problems, another technical solution adopted in the embodiment of the present application is: providing a communication device, comprising any one of the above antenna modules.

[0014] The present application provides an antenna module, including a circuit board, a feeding component and a radiating patch antenna; the feeding component is arranged on the circuit board; the 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, and the radiating patch antenna includes a dielectric and a radiation pattern covering the dielectric, wherein the radiation pattern is connected to the feeding component. Through the above-mentioned arrangement, the wiring layout can be optimized, the connection method is simplified, and it has the characteristics of multi-band coverage and high signal quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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.

[0016] Figure 1 is a schematic diagram of an antenna module according to an embodiment of the present application;

[0017] Figure 2 yes Figure 1 A partial enlarged view of the middle A part;

[0018] Figure 3 yes Figure 1 Another enlarged view of the part of the middle A;

[0019] Figure 4 is another schematic diagram of the antenna module of an embodiment of the present application;

[0020] Figure 5 yes Figure 4 A partial enlarged view of the middle B part;

[0021] Figure 6 yes Figure 4 Another enlarged view of the middle B section;

[0022] Figure 7 is a signal frequency coverage diagram of the antenna module of an embodiment of the present application;

[0023] Figure 8 is an efficiency diagram of the antenna module according to an embodiment of the present application.

[0024] 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; 104, clearance area; 123, metallized via; 124, fixing column; 20, feeding component; 201, feeding point; 202, transmission line; 203, first feeding branch; 204, second feeding branch; 205, third feeding branch; 30, radiating patch antenna; 301, dielectric; 302, radiation pattern; 321, first pattern; 322, second pattern; 323, third pattern; 3211, first radiating part; 3212, second radiating part; 3213, third radiating part; 3214, first feeding pin; 3215, second feeding pin; 3216, third feeding pin; 40, first welding part; 50, second welding part; 60, third welding part. DETAILED DESCRIPTION

[0025] 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.

[0026] 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.

[0027] 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.

[0028] See also Figure 1 and Figure 2 The antenna module 100 includes: a circuit board 10, a feeding component 20 and a radiating patch antenna 30; the feeding component 20 is arranged on the circuit board 10; the radiating patch antenna 30 is arranged on the surface of the circuit board 10, and one end of the radiating patch antenna 30 is connected to the feeding component 20, the radiating patch antenna 30 includes a dielectric 301 and a radiating pattern 302 covered on the dielectric 301, wherein the radiating pattern 302 is connected to the feeding component 20, and the feeding component 20 is connected to the radiating pattern 302 at a predetermined position of the circuit board 10 to feed electric energy to the radiating pattern 302, thereby ensuring stable transmission of signals, reducing signal loss, and improving the overall performance of the antenna.

[0029] In some embodiments, the dielectric 301 is formed by sintering a dielectric material such as ceramic. The radiation pattern 302 is formed by printing or electroplating a conductive material on the surface of the dielectric 301. In addition, the radiation pattern 302 can be configured as a conductive material such as nickel, gold, copper, silver, etc.

[0030] See also Figure 2 , Figure 3 , Figure 7 and Figure 8 The radiation pattern 302 includes a first pattern 321, a second pattern 322 and a third pattern 323, wherein the second pattern 322 is disposed between the first pattern 321 and the third pattern 323, and the feeding component 20 is connected to the first pattern 321, the second pattern 322 and the third pattern 323 respectively, and through the above connection mode, signal frequency bands of 704-960MHz and 1710-2700MHz can be formed respectively, and the radiation patch antenna 30 is designed with a dielectric 301 and a radiation pattern 302 covering it, and this structure enables the antenna to have excellent radiation performance. The connection between the radiation pattern 302 and the feeding component 20 further enhances the signal transceiver capability of the antenna module 100.

[0031] For details, please refer to Figure 4 The first pattern 321 includes a first radiating portion 3211, a second radiating portion 3212 and a third radiating portion 3213, the first radiating portion 3211 and the second radiating portion 3212 are connected to the third radiating portion 3213, and one end of the third radiating portion 3213 is provided with a first feeding pin 3214, one end of the second pattern 322 is provided with a second feeding pin 3215, and the third pattern 323 is provided with a third feeding pin 3216, and the feeding component 20 is respectively connected to the first feeding pin 3214, the second feeding pin 3215 and the third feeding pin 3216, respectively. The above arrangement increases the diversity of the radiation area and the radiation path of the antenna module 100, so that the radiating patch antenna 30 can radiate signal frequency bands of 704-960MHz and 1710-2700MHz, and helps to improve the performance of the antenna in multiple frequency bands. In some embodiments, In the embodiment, the radiation characteristics and impedance matching performance of the radiating patch antenna 30 can be further optimized by adjusting the size, shape and relative position of the first pattern 321, the second pattern 322 and the third pattern 323. A first feeding pin 3214 is provided at one end of the third radiating portion 3213, so that the feeding component 20 can directly feed the first pattern 321, so that the signal of the radiating patch antenna 30 is stably transmitted and efficiently radiated, thereby improving the radiation efficiency of the antenna module 100. The second pattern 322 and the third pattern 323 are respectively provided with a second feeding pin 3215 and a third feeding pin 3216. This multi-point feeding design further enhances the performance of the antenna module 100, and multi-point feeding can not only improve the impedance matching performance of the antenna module 100 and reduce signal reflection and loss, but also balance the radiation field distribution of the antenna module 100 and improve the coverage and stability of the signal.

[0032] See also Figure 5 The feeding assembly 20 includes a feeding point 201, a transmission line 202, a first feeding branch 203, a second feeding branch 204 and a third feeding branch 205. The feeding point 201 is arranged on the circuit board 10. The feeding point 201 is directly arranged on the circuit board 10, which ensures the smooth transmission of the signal from the circuit board 10 to the feeding assembly 20, reduces the loss of the signal during the transmission process, and improves the integrity and stability of the signal. One end of the transmission line 202 is connected to the feeding point 201. The other end of the transmission line 202 is connected to the first feeding branch 203, the second feeding branch 204 and the third feeding branch 205 respectively, and the first feeding branch 203 is connected to the first feeding pin 3214, the second feeding branch 204 is connected to the second feeding pin 3215, and the third feeding branch 205 is connected to the third feeding pin 3216. The transmission line 202 enables the signal to be evenly distributed to each feeding branch, thereby providing stable feeding for the radiation pattern 302.

[0033] See also 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 circuit board 10 is provided with a clearance area 104. The radiating patch antenna 30 is arranged in the clearance area 104. The dielectric resonant plate body 102 can improve the resonance performance of the antenna module 100. The dielectric resonant plate body 102 is usually 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 10, 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 10, ensuring that it can maintain stability and reliability during use.

[0034] In an embodiment of the present application, the antenna module 100 also includes a first welding portion 40, a second welding portion (not shown) and a third welding portion 60. The first pattern 321 is welded to the first welding portion 40, one end of the second pattern 322 is welded to the second welding portion (not shown), and the third pattern 323 is welded to the third welding portion 60. Through the above arrangement, the electrical connection between the radiating patch antenna 30 and the circuit board 10 can be stable and not easily affected by the external environment. This not only improves the overall structural strength of the antenna module 100, but also helps to reduce signal loss caused by poor connection.

[0035] The dielectric resonant plate 102 is also provided with a plurality of metallized vias 123, and the antenna module 100 further includes a plurality of fixing posts 124, wherein the fixing posts 124 pass through the metallized vias and respectively abut against the first plate 101 and the second plate 103, and the metallized vias 123 can provide electrical connection channels between different layers on the circuit board 10, and can also enhance the structural strength of the circuit board 10. By providing the metallized vias 123, signal transmission and power supply between the layers of the circuit board 10 can be conveniently realized, which provides a guarantee for the normal operation of the antenna module 100, and the fixing posts 124 can further enhance the structural stability of the circuit board 10, and the fixing posts 124 pass through the metallized vias 123 and respectively abut against the first plate 101 and the second plate 103, forming a firm supporting structure. This design can effectively prevent the circuit board 10 from being deformed or displaced during operation, and further ensure the long-term stability of the antenna module 100.

[0036] The present application provides an antenna module 100, including a circuit board 10, a feeding component 20 and a radiating patch antenna 30; the feeding component 20 is arranged on the circuit board 10; the radiating patch antenna 30 is arranged on the surface of the circuit board 10, and one end of the radiating patch antenna 30 is connected to the feeding component 20, the radiating patch antenna 30 includes a dielectric 301 and a radiating pattern 302 covered on the dielectric 301, wherein the radiating pattern 302 is connected to the feeding component 20. Through the above-mentioned arrangement, the wiring layout can be optimized, the connection method is simplified, and it has the characteristics of multi-band coverage and high signal quality.

[0037] The present application also provides a communication device embodiment, and the other device includes the above-mentioned antenna module 100. The specific structure and function of the communication device can be referred to the above-mentioned embodiment, which will not be repeated here.

[0038] The above descriptions are merely embodiments of the present application and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are 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 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 radiating patch antenna includes a dielectric and a radiating pattern covering the dielectric, wherein the radiating pattern is connected to the feeding component.

2. The antenna module according to claim 1, characterized in that: The radiation pattern includes a first pattern, a second pattern and a third pattern, the second pattern is arranged between the first pattern and the third pattern, and the feeding component is connected to the first pattern, the second pattern and the third pattern respectively.

3. The antenna module according to claim 2, characterized in that: The first pattern includes a first radiating portion, a second radiating portion and a third radiating portion, the first radiating portion and the second radiating portion are connected to the third radiating portion, and a first feeding pin is provided at one end of the third radiating portion, a second feeding pin is provided at one end of the second pattern, and a third feeding pin is provided at the third pattern, and the feeding component is respectively connected to the first feeding pin, the second feeding pin and the third feeding pin.

4. The antenna module according to claim 3, characterized in that: The feeding component includes a feeding point, a transmission line, a first feeding branch, a second feeding branch and a third feeding branch. 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 respectively connected to the first feeding branch, the second feeding branch and the third feeding branch, and the first feeding branch is connected to the first feeding pin, the second feeding branch is connected to the second feeding pin, and the third feeding branch is connected to the third feeding pin.

5. 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.

6. The antenna module according to claim 5, characterized in that: The circuit board is provided with a clearance area, and the radiation patch antenna is arranged in the clearance area.

7. The antenna module according to claim 6, characterized in that: The dielectric resonant plate is further provided with a plurality of metallized vias, and the antenna module further comprises a plurality of fixing posts, wherein one of the fixing posts passes through one of the metallized vias and abuts against the first plate and the second plate respectively.

8. The antenna module according to claim 2, characterized in that: The antenna module further includes a first welding portion, a second welding portion and a third welding portion, the first pattern is welded to the first welding portion, one end of the second pattern is welded to the second welding portion, and the third pattern is welded to the third welding portion.

9. A communication device, characterized in that: Comprising the antenna module as described in any one of claims 1-8.

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