Antenna and communication equipment
By designing an antenna that can radiate high-frequency and low-frequency signals in the communication device, the problem of excessive volume due to the configuration of independent antennas in the existing equipment is solved, and the effect of miniaturization and multi-band signal transmission is achieved.
Patent Information
- Application Number
- CN202420365564.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-27
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-02-27
AI Technical Summary
In order to adapt to WIFI communication and Bluetooth communication, existing communication devices usually need to configure two independent antennas, resulting in excessive size of the device.
An antenna is designed, and a first radiation unit and a second radiation unit are arranged through the line layer, which can radiate high-frequency and low-frequency signals, achieving the purpose of miniaturization while realizing signal transmission in multiple frequency bands.
It realizes the support of WIFI and Bluetooth communication in miniaturized devices, improving the transmission performance and volume utilization of communication devices.
Smart Images

Figure CN222690898U_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 and a communication device. Background Art
[0002] With the rapid development of mobile communications, the functions of communication equipment are becoming increasingly rich, and the integrated applications of communication equipment are increasing.
[0003] During the implementation of the embodiments of the present application, the inventors discovered that: currently, the communication modes required by the application are WIFI communication and Bluetooth communication, respectively. However, Bluetooth communication usually requires the use of a Bluetooth antenna, while WI FI communication requires the use of a WI FI antenna. Currently, in order to adapt to WI FI communication and Bluetooth communication, communication devices usually have an independent antenna each for WI FI communication and Bluetooth communication, which causes the size of the communication device to be too large. Utility Model Content
[0004] The main technical problem solved by the embodiments of the present application is to provide an antenna that can radiate high-frequency and low-frequency signals by setting a first radiation unit and a second radiation unit through a circuit layer, thereby achieving miniaturization while realizing signal transmission in multiple frequency bands.
[0005] To solve the above technical problems, a technical solution adopted in an embodiment of the present application is: providing an antenna, comprising a substrate layer, a circuit layer, a feeding assembly and a ground layer; the substrate layer comprises a first surface and a second surface arranged opposite to each other, the circuit layer is arranged on the first surface, the circuit layer is provided with a groove, the groove divides the circuit layer to obtain a first radiation unit and a second radiation unit, the first radiation unit and the second radiation unit are connected, and the radiation frequencies of the first radiation unit and the second radiation unit are different, the feeding assembly is connected to the circuit layer, and the ground layer is arranged on the second surface.
[0006] Optionally, the first radiation unit includes a first branch and a second branch, one end of the second branch is embedded in the first branch, and the other end of the second branch is connected to the second radiation unit.
[0007] Optionally, a first rectangular radiating portion, a second rectangular radiating portion and a third rectangular radiating portion extend from the first branch, the second rectangular radiating portion is arranged between the first radiating portion and the third radiating portion, and the third rectangular radiating portion is connected to the second branch.
[0008] Optionally, the second branch node extends a first branch, a fourth rectangular radiating portion, a second branch and a third branch, the two ends of the fourth rectangular radiating portion are respectively connected to the first branch and the second branch, one end of the second branch is connected to the third rectangular radiating portion, the other end of the second branch is vertically connected to the third branch, and the third branch is arranged parallel to the second branch, and the third branch is connected to the second radiation unit.
[0009] Optionally, the second radiation unit includes a third branch and a fourth branch, the fourth branch is connected to the third branch, and one end of the third branch is connected to the second branch.
[0010] Optionally, the third branch node extends into a fourth branch, a fifth branch and a sixth branch, a fifth rectangular radiating portion extends from one end of the fourth branch, the other end of the fourth branch is connected to the fifth branch, a sixth rectangular radiating portion is arranged between the fifth branch and the sixth branch, and the fourth branch is connected to the fifth branch, and the sixth branch is connected to the third branch.
[0011] Optionally, the fourth branch includes a seventh rectangular radiating portion and an eighth rectangular radiating portion, a seventh branch is arranged between the seventh rectangular radiating portion and the eighth rectangular radiating portion, and the seventh branch is connected to the fifth branch, and the seventh branch is arranged parallel to the sixth branch.
[0012] Optionally, the antenna further includes an ink protection layer, and the ink protection layer is coated on the circuit layer.
[0013] Optionally, the circuit layer is provided with a grounding point and a feeding point, one end of the feeding component is connected to the grounding point and the feeding point respectively, and the other end of the feeding component is used to connect to an electronic component.
[0014] 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 of the above antennas.
[0015] An embodiment of the present application provides an antenna, including a substrate layer, a circuit layer, a feeding element and an electronic component, wherein the substrate layer includes a first surface and a second surface arranged opposite to each other, the circuit layer is arranged on the first surface, the circuit layer is provided with a first radiation unit and a second radiation unit, the first radiation unit and the second radiation unit are connected, one end of the feeding component is respectively connected to the circuit layer, and the other end of the feeding component is connected to the electronic component, the first radiation unit and the second radiation unit influence each other, and can achieve full coverage of low frequency bands and high frequency bands, and the transmission performance of the antenna is better. 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 according to an embodiment of the present application;
[0018] Figure 2 It is a schematic diagram of the circuit layer of an embodiment of the present application;
[0019] Figure 3 is another schematic diagram of the circuit layer of an embodiment of the present application;
[0020] Figure 4 is a schematic diagram of a first radiation unit according to an embodiment of the present application;
[0021] Figure 5 is another schematic diagram of the first radiation unit in an embodiment of the present application;
[0022] Figure 6 is a schematic diagram of signal coverage of the antenna in an embodiment of the present application;
[0023] Figure 7 is a schematic diagram of a second radiation unit according to an embodiment of the present application;
[0024] Figure 8 is another schematic diagram of the second radiation unit in an embodiment of the present application;
[0025] Fig. 9 is a schematic diagram of the high-frequency signal transmission rate of the antenna of the embodiment of the present application;
[0026] Fig.10 It is a schematic diagram of the low-frequency signal transmission rate of the antenna according to the embodiment of the present application.
[0027] The reference numerals in the specific implementation manner are as follows: 100, antenna; 10, substrate layer; 101, first surface; 102, second surface; 20, circuit layer; 201, slot; 202, first radiation unit; 203, second radiation unit; 221, first branch; 222, first rectangular radiation portion; 223, second rectangular radiation portion; 224, third rectangular radiation portion; 225, second branch; 226, first branch; 227, fourth rectangular radiation portion; 2 28. second branch; 229. third branch; 231. third branch node; 232. fourth branch; 233. fifth branch; 234. sixth branch; 235. fifth rectangular radiating portion; 236. sixth rectangular radiating portion; 241. fourth branch node; 242. seventh rectangular radiating portion; 243. eighth rectangular radiating portion; 244. seventh branch; 204. grounding point; 205. feeding point; 30. feeding assembly; 40. grounding layer; 50. ink protection layer. DETAILED DESCRIPTION
[0028] 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.
[0029] 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.
[0030] 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.
[0031] See also Figures 1 to 3The antenna 100 includes: a substrate layer 10, a circuit layer 20, a feeding component 30 and a ground layer (not shown in the figure), the substrate layer 10 includes a first surface 101 and a second surface (not shown in the figure) arranged opposite to each other, the circuit layer 20 is arranged on the first surface 101, the circuit layer 20 is provided with a slot 201, the slot 201 divides the circuit layer 20 to obtain a first radiation unit 202 and a second radiation unit 203, the first radiation unit 202 and the second radiation unit 203 are connected, and the radiation frequencies of the first radiation unit 202 and the second radiation unit 203 are different, the feeding component 30 is connected to the circuit layer 20, the ground layer (not shown) is arranged on the second surface (not shown), the first radiation unit 202 and the slot 201 cooperate with each other to transmit a low frequency signal of 2.4GHZ-2.5GHZ and a high frequency signal of 5.15GHZ-5.85GHZ, the second radiation unit 203 and the slot 201 cooperate with each other to transmit a low frequency signal of 2.4GHZ-2.5GHZ and a high frequency signal of 5.95-7.125GHZ, which not only realizes high-speed communication of the antenna 100, but also achieves the purpose of miniaturization while realizing signal transmission in multiple frequency bands.
[0032] In some embodiments, the substrate layer 10 has a size of 7*35 [mm]^2, and the circuit layer 20 is disposed on the substrate layer 10 to further achieve the purpose of miniaturization.
[0033] See also Figure 4 and Figure 5 The first radiation unit 202 includes a first branch 221 and a second branch 225. One end of the second branch 225 is embedded in the first branch 221, and the other end of the second branch 225 is connected to the second radiation unit 203. Through the above configuration, the first branch 221 outputs a low-frequency signal of 2.4GHZ-2.5GHZ, and the second branch 225 outputs a high-frequency signal of 5.15GHZ-5.85GHZ. For details, please refer to Figure 5, the first branch 221 extends with a first rectangular radiating portion 222, a second rectangular radiating portion 223 and a third rectangular radiating portion 224, the second rectangular radiating portion 223 is arranged between the first rectangular radiating portion 222 and the third rectangular radiating portion 224, the third rectangular radiating portion 224 is connected to the second branch 225, the second branch 225 extends with a first branch 226, a fourth rectangular radiating portion 227, a second branch 228 and a third branch 229, the two ends of the fourth rectangular radiating portion 227 are respectively connected to the first branch 226 and the second branch 228, one end of the second branch 228 is connected to the third rectangular radiating portion 224, the other end of the second branch 228 is vertically connected to the third branch 229, and the third branch 229 is arranged parallel to the second branch 228, and the third branch 229 is connected to the second radiation unit 203, please combine Figure 6 , Figure 6 This is the signal coverage diagram of the antenna. Through the above settings, full coverage of the low frequency band can be achieved while also fully covering the high frequency band.
[0034] See also Figure 7 The second radiation unit 203 includes a third branch 231 and a fourth branch 241, the fourth branch 241 is connected to the third branch 231, and one end of the third branch 231 is connected to the second branch 225. Through the above configuration, the third branch 231 transmits a high-frequency signal of 5.95GHZ-7.125GHZ, and the fourth branch 241 transmits a low-frequency signal of 2.4GHZ-2.5GHZ. For details, please refer to Figure 8 , the third branch 231 extends with a fourth branch 232, a fifth branch 233 and a sixth branch 234, one end of the fourth branch 232 extends with a fifth rectangular radiation portion 235, the other end of the fourth branch 232 is connected to the fifth branch 233, a sixth rectangular radiation portion 236 is arranged between the fifth branch 233 and the sixth branch 234, and the fourth branch 232 is connected to the fifth branch 233, the sixth branch 234 is connected to the third branch 229, the fourth branch 241 includes a seventh rectangular radiation portion 242 and an eighth rectangular radiation portion 243, a seventh branch 244 is arranged between the seventh rectangular radiation portion 242 and the eighth rectangular radiation portion 243, and the seventh branch 244 is connected to the fifth branch 233, and the seventh branch 244 is arranged in parallel with the sixth branch 234, please combine Fig. 9 and Fig.10 , Fig. 9 is a diagram of the high frequency signal transmission rate of the antenna 100, Fig.10Graph 1 is a low-frequency signal transmission rate diagram of the antenna 100. The above configuration can achieve full coverage of the low-frequency band while also fully covering the high-frequency band, and while achieving high-speed communication, ensure the miniaturization of the antenna 100.
[0035] Please refer to Figure 1 The antenna 100 also includes an ink protection layer 50, which is coated on the circuit layer 20. The ink protection layer 50 can further protect the circuit layer 20 from oxidation, thereby extending the service life of the antenna 100. The circuit layer 20 is provided with a grounding point 204 and a feeding point 205. One end of the feeding component 30 is respectively connected to the grounding point 204 and the feeding point 205, and the other end of the feeding component 30 is used to connect with an electronic component.
[0036] The embodiment of the present application provides an antenna 100, including a substrate layer 10, a circuit layer 20, a feeding element and an electronic element. The substrate layer 10 includes a first surface 101 and a second surface (not shown) arranged opposite to each other. The circuit layer 20 is arranged on the first surface 101. The circuit layer 20 is provided with a first radiation unit 202 and a second radiation unit 203. The first radiation unit 202 and the second radiation unit 203 are connected. One end of the feeding component 30 is respectively connected to the circuit layer 20, and the other end of the feeding component 30 is connected to the electronic element. The first radiation unit 202 and the second radiation unit 203 influence each other, and can achieve full coverage of low frequency bands and high frequency bands. The transmission performance of the antenna 100 is better.
[0037] Please combine Figure 1 The embodiment of the present invention further provides a communication device 200. The specific implementation method can refer to the above-mentioned antenna 100, which will not be described in detail 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, characterized in that: include: A substrate layer, the substrate layer comprising a first surface and a second surface disposed opposite to each other; A circuit layer, wherein the circuit layer is arranged on the first surface, the circuit layer is provided with a groove, the groove divides the circuit layer to obtain a first radiation unit and a second radiation unit, the first radiation unit and the second radiation unit are connected, and the radiation frequencies of the first radiation unit and the second radiation unit are different; A feeding component connected to the circuit layer; The ground layer is disposed on the second surface.
2. The antenna according to claim 1, characterized in that The first radiation unit includes a first branch and a second branch, one end of the second branch is embedded in the first branch, and the other end of the second branch is connected to the second radiation unit.
3. The antenna according to claim 2, characterized in that: A first rectangular radiating portion, a second rectangular radiating portion and a third rectangular radiating portion extend from the first branch. The second rectangular radiating portion is disposed between the first rectangular radiating portion and the third rectangular radiating portion. The third rectangular radiating portion is connected to the second branch.
4. The antenna according to claim 3, characterized in that The second branch node extends with a first branch, a fourth rectangular radiating portion, a second branch and a third branch, the two ends of the fourth rectangular radiating portion are respectively connected to the first branch and the second branch, one end of the second branch is connected to the third rectangular radiating portion, the other end of the second branch is vertically connected to the third branch, and the third branch is arranged parallel to the second branch, and the third branch is connected to the second radiation unit.
5. The antenna according to claim 4, characterized in that: The second radiation unit includes a third branch and a fourth branch, the fourth branch is connected to the third branch, and one end of the third branch is connected to the second branch.
6. The antenna according to claim 5, characterized in that The third branch node extends to have a fourth branch, a fifth branch and a sixth branch, a fifth rectangular radiation portion extends from one end of the fourth branch, the other end of the fourth branch is connected to the fifth branch, a sixth rectangular radiation portion is arranged between the fifth branch and the sixth branch, and the fourth branch is connected to the fifth branch, and the sixth branch is connected to the third branch.
7. The antenna according to claim 6, characterized in that The fourth branch node includes a seventh rectangular radiation portion and an eighth rectangular radiation portion, a seventh branch is arranged between the seventh rectangular radiation portion and the eighth rectangular radiation portion, and the seventh branch is connected to the fifth branch, and the seventh branch is arranged in parallel with the sixth branch.
8. The antenna according to claim 1, characterized in that: The antenna further comprises an ink protection layer, and the ink protection layer is coated on the circuit layer.
9. The antenna according to claim 1, characterized in that: The circuit layer is provided with a grounding point and a feeding point, one end of the feeding component is connected to the grounding point and the feeding point respectively, and the other end of the feeding component is used to connect to the electronic component.
10. A communication device, comprising the antenna according to any one of claims 1 to 9.