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, the antenna module comprises a tuning cavity, a circuit layer, a feed port and a grounding layer, the tuning cavity comprises a first panel and a second panel which are oppositely arranged, the circuit layer is arranged in the tuning cavity, and the feed port is arranged on the first panel. The line layer is provided with an antenna radiator, the antenna radiator comprises a first slot unit, a second slot unit and a third slot unit, the first slot unit, the second slot unit and the third slot unit respectively control different frequency bands, and the feed port is arranged in the tuning cavity. The feed port is used for being connected with an external electronic element, and the grounding layer is arranged on the second panel. Through the above mode, coverage of multiple frequency bands of one antenna can be realized, and the purpose of miniaturization of the antenna is further achieved.

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 popularization of IoT devices and the advent of the era of the Internet of Everything, wireless communication technologies such as GPS and WiFi have been widely used. Among them, Wi-Fi 6E, with its high speed, low latency and wide coverage, has become the mainstream standard for wireless communication at this stage. However, with the continuous reduction in the size of wireless mobile terminal products and the increase in communication frequency bands,

[0003] During the implementation of the embodiments of the present application, the inventors discovered that: with the continuous reduction in the size of wireless mobile terminal products and the increase in communication frequency bands, Wi-Fi 6E antenna products only support a single frequency band, such as 2.4GHz or 5GHz, and cannot support multiple frequency bands at the same time. Utility Model Content

[0004] The main technical problem solved by the embodiments of the present application is to provide an antenna module, which can achieve coverage of multiple frequency bands by one antenna by setting a tuning cavity and an antenna radiator, and further achieve the purpose of miniaturization of the antenna.

[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 tuning cavity, a circuit layer, a feeding port and a ground layer, the tuning cavity including a first panel and a second panel arranged opposite to each other, the circuit layer is arranged in the tuning cavity, the circuit layer is provided with an antenna radiator, the antenna radiator includes a first slot unit, a second slot unit and a third slot unit, and the first slot unit, the second slot unit and the third slot unit respectively control different frequency bands, the feeding port is arranged in the tuning cavity, the feeding port is used to connect to external electronic components, and the ground layer is arranged in the second panel.

[0006] Optionally, the first gap unit includes a first gap branch, a second gap branch and a third gap branch, the two ends of the second gap branch are respectively connected to the first gap unit and the third gap unit, and the first gap branch, the second gap branch and the third gap branch are enclosed to form a "U"-shaped groove.

[0007] Optionally, the second slit unit includes a fourth slit branch and a fifth slit branch, one end of the fifth slit branch is perpendicular to the first panel, and the fourth slit branch is bent and connected to the fifth branch.

[0008] Optionally, the third slit unit includes a sixth slit branch and a seventh slit branch, one end of the sixth slit branch is perpendicular to the first panel, the seventh slit branch is bent and connected to the sixth branch, and the second slit unit and the third slit unit are symmetrically arranged.

[0009] Optionally, the antenna module further includes a coupling slot unit, the coupling slot unit is arranged on the first panel, and the second slot unit and the third slot unit are respectively arranged vertically to the coupling slot unit.

[0010] Optionally, the circuit layer includes a first surface and a second surface, and the coupling gap unit is arranged between the first surface and the second surface.

[0011] Optionally, the second gap unit is an L-shaped groove.

[0012] Optionally, the third gap unit is an L-shaped groove.

[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, including any antenna module.

[0014] An embodiment of the present application provides an antenna module, including a tuning cavity, a circuit layer, a feeding port and a ground layer, the tuning cavity including a first panel and a second panel arranged opposite to each other, the circuit layer is arranged in the tuning cavity, the circuit layer is provided with an antenna radiator, the antenna radiator includes a first slot unit, a second slot unit and a third slot unit, and the first slot unit, the second slot unit and the third slot unit respectively control different frequency bands, the feeding port is arranged in the tuning cavity, the feeding port is used to connect to an external electronic component, the ground layer is arranged in the second panel, through the above arrangement, the first slot unit controls the signal output of the low frequency 2.4GHZ-2.5GHZ, the second slot unit and the third slot unit control the signal output of the high frequency 5.15GHZ-7.125GHZ, and combined with the tuning cavity, one antenna module can achieve coverage of multiple frequency bands, and further achieve the purpose of miniaturization of the antenna. 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 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 is an exploded view of the antenna module of an embodiment of the present application;

[0018] Figure 3 is another schematic diagram of the antenna module according to an embodiment of the present application;

[0019] Figure 4 is a signal coverage diagram of the antenna module of an embodiment of the present application;

[0020] Figure 5 is an efficiency diagram of the antenna module according to an embodiment of the present application.

[0021] The figure numbers in the specific implementation manner are as follows: 100, antenna module; 10, tuning cavity; 101, first panel; 102, ground layer; 111, first surface; 112, second surface; 20, circuit layer; 201, antenna radiator; 211, first slot unit; 212, second slot unit; 213, third slot unit; 2111, first slot branch; 2112, second slot branch; 2113, third slot branch; 2121, fourth slot branch; 2122, fifth slot branch; 2131, sixth slot branch; 2132, seventh slot branch; 30, feeding port; 40, coupling slot unit. DETAILED DESCRIPTION

[0022] 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.

[0023] 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.

[0024] 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.

[0025] See also Figure 1 The antenna module 100 includes: a tuning cavity 10, a circuit layer 20, a feeding port 30 and a grounding layer 102. The tuning cavity 10 includes a first panel 101 and a second panel (not shown) arranged opposite to each other. The circuit layer 20 is arranged in the tuning cavity 10. The circuit layer 20 is provided with an antenna radiator 201. The antenna radiator 201 includes a first slot unit 211, a second slot unit 212 and a third slot unit 213, and the first slot unit 211, the second slot unit 212 and the third slot unit 213 control different frequency bands respectively. The feeding port 30 is arranged in the tuning cavity 10, and the feeding port 30 is used to connect with external electronic components. The grounding layer is arranged in the second panel (not shown). Miniaturization and low cost are achieved through the structural design of the tuning cavity 10 and the first slot unit 211, the second slot unit 212 and the third slot unit 213. Please combine Figure 4 and Figure 5 , Figure 4 is a signal coverage diagram of the antenna module 100, Figure 5 : is an efficiency diagram of the antenna module 100. The different slot units of the antenna radiator 201 achieve multi-band coverage of 2.4 GHz, 5 GHz and 6 GHz frequency bands, and have efficient antenna performance and strong portability. Specifically, the signal can be fed from the first slot unit 211, the second slot unit 212 and the third slot unit 213 through the tuning cavity 10. By adjusting the length of the antenna radiator 201, the resonant frequency of the resonant cavity can be tuned, and finally the signal can be radiated through the antenna radiator 201.

[0026] See also Figure 2 The first slot unit 211 includes a first slot branch 2111, a second slot branch 2112 and a third slot branch 2113, and the two ends of the second slot branch 2112 are respectively connected to the first slot unit 211 and the third slot unit 213, and the first slot branch 2111, the second slot branch 2112 and the third slot branch 2113 are enclosed to form a U-shaped groove. Through the above arrangement, the signal output of the low frequency 2.4GHZ-2.5GHZ can be controlled. The U-shaped groove plus the length of the slot is helpful to control the radiation characteristics of the low frequency band and achieve good broadband matching characteristics. The three slot branches are connected to each other, which can enhance the coupling effect between the slots and improve the overall efficiency of the antenna.

[0027] See also Figure 3The second slot unit 212 includes a fourth slot branch 2121 and a fifth slot branch 2122, one end of the fifth slot branch 2122 is perpendicular to the first panel 101, and the fourth slot branch 2121 is bent and connected to the fifth branch. The third slot unit 213 includes a sixth slot branch 2131 and a seventh slot branch 2132, one end of the sixth slot branch 2131 is perpendicular to the first panel 101, and the seventh slot branch 2132 is bent and connected to the sixth branch. The second slot unit 212 and the third slot unit 213 are symmetrically arranged. Through the above arrangement, the second slot unit 212 and the third slot unit 213 cooperate with each other to radiate a high-frequency 5.15GHZ-7.125GHZ signal output, and the second radiation unit and the third radiation unit are symmetrically arranged, which is beneficial to improving the radiation pattern of the antenna and achieving uniform radiation.

[0028] In some embodiments, the second slot unit 212 is an L-shaped slot, and the third slot unit 213 is an L-shaped slot. The design of the L-shaped slot is conducive to controlling the length of the slot and helping to adjust the radiation characteristics of the antenna. And by adjusting the length and shape of the second slot unit 212 and the third slot unit 213, it is helpful to optimize the radiation performance of the antenna and achieve miniaturization and broadband matching.

[0029] Please refer to Figure 1 The antenna module 100 also includes a coupling slot unit 40, which is arranged on the first panel 101, and the second slot unit 212 and the third slot unit 213 are respectively arranged vertically on the coupling slot unit 40. Specifically, the circuit layer 20 includes a first surface 111 and a second surface 112, and the coupling slot unit 40 is arranged between the first surface 111 and the second surface 112. The arrangement of the coupling slot unit 40 helps to enhance the coupling effect between the second slot unit 212 and the third slot unit 213, thereby improving the overall efficiency of the antenna module 100, and the coupling slot unit 40 is arranged between the first surface 111 and the second surface 112, which helps to protect the coupling slot unit 40 and avoid interference from the external environment.

[0030] The present application provides an antenna module 100, including a tuning cavity 10, a circuit layer 20, a feeding port 30 and a ground layer, wherein the tuning cavity 10 includes a first panel 101 and a second panel (not shown) arranged opposite to each other, the circuit layer 20 is arranged in the tuning cavity 10, and the circuit layer 20 is provided with an antenna radiator 201, the antenna radiator 201 includes a first slot unit 211, a second slot unit 212 and a third slot unit 213, and the first slot unit 211, the second slot unit 212 and the third slot unit 213 respectively control different frequency bands The feeding port 30 is arranged on the tuning cavity 10, and the feeding port 30 is used to connect to external electronic components. The ground layer is arranged on the second panel (not shown). Through the above arrangement, the first slot unit 211 controls the low-frequency 2.4GHZ-2.5GHZ signal output, the second slot unit 212 and the third slot unit 213 control the high-frequency 5.15GHZ-7.125GHZ signal output, and combined with the tuning cavity 10, an antenna module 100 can achieve coverage of multiple frequency bands, and further achieve the purpose of miniaturization of the antenna.

[0031] The present application further provides an embodiment of a communication device, wherein the communication 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 described in detail here.

[0032] 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: The tuning cavity comprises a first panel and a second panel which are arranged opposite to each other; A circuit layer is arranged in the tuning cavity, the circuit layer is provided with an antenna radiator, the antenna radiator includes a first slot unit, a second slot unit and a third slot unit, and the first slot unit, the second slot unit and the third slot unit respectively control different frequency bands; A feeding port, the feeding port being arranged on the tuning cavity and being used for connecting to an external electronic component; The ground layer is arranged on the second panel.

2. The antenna module according to claim 1, characterized in that: The first gap unit includes a first gap branch, a second gap branch and a third gap branch, two ends of the second gap branch are respectively connected to the first gap unit and the third gap unit, and the first gap branch, the second gap branch and the third gap branch are enclosed to form a U-shaped groove.

3. The antenna module according to claim 1, characterized in that: The second slit unit includes a fourth slit branch and a fifth slit branch, one end of the fifth slit branch is perpendicular to the first panel, and the fourth slit branch is bent and connected to the fifth slit branch.

4. The antenna module according to claim 1, characterized in that: The third slit unit includes a sixth slit branch and a seventh slit branch, one end of the sixth slit branch is perpendicular to the first panel, the seventh slit branch is bent and connected to the sixth slit branch, and the second slit unit and the third slit unit are symmetrically arranged.

5. The antenna module according to claim 1, characterized in that: The antenna module further includes a coupling slot unit, which is disposed on the first panel, and the second slot unit and the third slot unit are respectively disposed vertically on the coupling slot unit.

6. The antenna module according to claim 5, characterized in that: The circuit layer includes a first surface and a second surface, and the coupling gap unit is arranged between the first surface and the second surface.

7. The antenna module according to claim 1, characterized in that: The second gap unit is an L-shaped groove.

8. The antenna module according to claim 1, characterized in that: The third gap unit is an L-shaped groove.

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

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