Integrated antenna and communication equipment

Abstract

The embodiment of the utility model relates to the technical field of antennas, and discloses an integrated antenna and communication equipment, the integrated antenna comprises an antenna main body, a first radiation unit, a second radiation unit and a grounding unit, the first radiation unit comprises a grounding branch knot and a feed branch knot, and a first gap is arranged between the grounding branch knot and the feed branch knot; the second radiation unit is arranged on the antenna main body, one end of the second radiation unit extends to form a parasitic branch knot, the grounding unit comprises a first elastic sheet, a second elastic sheet and a third elastic sheet, and the first elastic sheet, the second elastic sheet and the third elastic sheet are electrically connected; the first elastic piece abuts against the grounding branch knot, the second elastic piece abuts against the feed branch knot, and the third elastic piece abuts against the parasitic branch knot. By means of the mode, five signal frequencies can be synthesized into one integrated antenna, and the internal space of the antenna terminal is saved.

Description

Technical Field

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

[0002] With the rapid development of communication technology today, wireless mobile terminal products are becoming smaller and smaller, with more and more communication frequency bands and, consequently, more and more antennas.

[0003] In the process of implementing the embodiments of the present application, the inventors found that: at present, antenna layout is becoming increasingly difficult within a limited volume space. The WIFI antennas and GPS antennas in existing products are widely used and often exist simultaneously in the same device. Multiple signal frequency bands are prone to interfere with each other, and the antenna windings are long, occupying a larger space. Utility Model Content

[0004] The main technical problem solved by the embodiments of the present application is to provide an integrated antenna. By setting a first radiation unit and a second radiation unit, five signal frequencies can be synthesized into an integrated antenna, thereby saving the internal space of the antenna terminal.

[0005] In order to solve the above technical problems, a technical solution adopted in an embodiment of the present application is: providing an integrated antenna, including an antenna body, a first radiating unit, a second radiating unit and a grounding unit, the antenna body is provided with a circuit main board, the first radiating unit includes a grounding branch and a feeding branch, and a first gap is provided between the grounding branch and the feeding branch; the second radiating unit is provided on the antenna body, and a parasitic branch extends from one end of the second radiating unit; the grounding unit is provided on the circuit main board, and the grounding unit includes a first spring clip, a second spring clip and a third spring clip, and the first spring clip, the second spring clip and the third spring clip are electrically connected; the first spring clip abuts the grounding branch, the second spring clip abuts the feeding branch, and the third spring clip abuts the parasitic branch, and the parasitic branch, the feeding branch and the grounding branch are located on the same side.

[0006] Optionally, the first radiation unit includes a first antenna and a second antenna, and the first antenna and the second antenna are connected.

[0007] Optionally, the first antenna includes a first rectangular radiating portion, a first radiating branch and a second radiating branch, one end of the first radiating branch is bent and connected to the first rectangular radiating portion, the other end of the first radiating branch is connected to the feeding branch, and the first radiating branch also extends a second rectangular radiating portion, and the second rectangular radiating portion is connected to the ground branch.

[0008] Optionally, the second antenna includes a first U-shaped slot, a second U-shaped slot, an arcuate slot, and a third radiation branch, wherein the first U-shaped slot, the second U-shaped slot, and the arcuate slot are connected via the third radiation branch, and one end of the third radiation branch is connected to the first antenna.

[0009] Optionally, a first grounding pin extends from one end of the parasitic branch, a second grounding pin extends from the other end of the feeding branch, and a third grounding pin extends from the other end of the grounding branch. The first grounding pin and the second grounding pin are spaced apart, the second grounding pin and the third grounding pin are spaced apart, and the first spring clip abuts the first grounding pin, the second spring clip abuts the second grounding pin, and the third spring clip abuts the third grounding pin.

[0010] Optionally, the antenna body is further provided with a middle frame, and the second radiation unit is arranged in the middle frame.

[0011] Optionally, the first grounding leg, the second grounding leg and the third grounding leg are bent from one end of the middle frame for mounting the back cover and enter into the interior of the middle frame.

[0012] Optionally, the middle frame is provided with a button reserved hole.

[0013] Optionally, a side of the middle frame for mounting the back cover is provided with a first notch, a second notch and a third notch for bending and positioning the feeding branch, the first grounding leg and the second grounding leg respectively.

[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, including any of the above integrated antennas.

[0015] An embodiment of the present application provides an integrated antenna, comprising an antenna body, a first radiating unit, a second radiating unit and a grounding unit, wherein the antenna body is provided with a circuit main board, the first radiating unit comprising a grounding branch and a feeding branch, and a first gap is provided between the grounding branch and the feeding branch; the second radiating unit is provided on the antenna body, and a parasitic branch extends from one end of the second radiating unit; the grounding unit is provided on the circuit main board, the grounding unit comprising a first spring clip, a second spring clip and a third spring clip, and the first spring clip, the second spring clip and the third spring clip are electrically connected; the first spring clip abuts the grounding branch, the second spring clip abuts the feeding branch, and the third spring clip abuts the parasitic branch, and the parasitic branch, the feeding branch and the grounding branch are located on the same side, and by providing the first radiating unit, the second radiating unit and the grounding unit, loading the second radiating unit increases the coupling between the first radiating unit and the circuit main board, thereby achieving multi-band coverage, improving isolation, and reducing the occurrence of signal instability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] To more clearly illustrate the specific embodiments of this application or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0017] Figure 1 Schematic diagram of the integrated antenna according to an embodiment of the present application.

[0018] Figure 2 It is an exploded view of the integrated antenna according to an embodiment of the present application.

[0019] Figure 3 This is a partial structural diagram of the integrated antenna according to an embodiment of the present application;

[0020] Figure 4 This is another schematic diagram of a partial structure of the integrated antenna according to an embodiment of the present application;

[0021] Figure 5 Schematic diagram of various frequency bands covered by the integrated antenna according to an embodiment of the present invention;

[0022] Figure 6 Schematic diagram of the working efficiency of each covered frequency band of the integrated antenna according to an embodiment of the present invention.

[0023] The figure numbers in the specific implementation manner are as follows: 100, integrated antenna; 10, antenna body; 101, circuit main board; 20, first radiating unit; 201, grounding branch; 202, feeding branch; 203, first gap; 204, first antenna; 205, second antenna; 241, first rectangular radiating portion; 242, first radiating branch; 243, second rectangular radiating portion; 251, first U-shaped groove; 252, second U-shaped groove; 253, arc groove; 254, third radiating branch; 30, second radiating unit; 301, parasitic branch; 311, first grounding pin; 312, second grounding pin; 313, third grounding pin; 40, grounding unit; 401, first spring clip; 402, second spring clip; 403, third spring clip; 50, middle frame; 501, first notch; 502, second notch; 503, third notch; 60, button reserved hole. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present application, the present application will be 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 being "fixed on" another element, it can be directly on the other element, or there can be one or more centered elements therebetween. When an element is described as being "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements therebetween. The terms "upper", "lower", "inside", "outside", "vertical", "horizontal", etc. used in this specification indicate an orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are 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 on the present application. In addition, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] Unless otherwise defined, all technical and scientific terms used in this specification have the same meanings as those commonly understood by those skilled in the art to which this application belongs. The terms used in this specification are for the purpose of describing specific embodiments only and are not intended to limit this application. The term "and / or" as used in this specification includes any and all combinations of one or more of the relevant listed items.

[0026] In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0027] See also Figures 1 to 4The integrated antenna 100 includes: an antenna body 10, a first radiation unit 20, a second radiation unit 30 and a grounding unit 40. The antenna body 10 is provided with a circuit main board 101. The first radiation unit 20 includes a grounding branch 201 and a feeding branch 202. A first gap 203 is provided between the grounding branch 201 and the feeding branch 202. The feeding branch 202 is responsible for receiving or sending electrical signals, while the grounding branch 201 provides a reference ground for the electrical signal. The second radiation unit 30 is provided in the antenna body 10. A parasitic branch 301 extends from one end of the second radiation unit 30. The second radiation unit 30 obtains energy from the first radiation unit 20 through electromagnetic coupling. The parasitic branch 301 extends from one end of the second radiation unit 30, which can further adjust and optimize the radiation performance of the antenna. The grounding unit 40 is provided on the circuit board 101 and includes a first spring clip 401, a second spring clip 402, and a third spring clip 403. The first spring clip 401, the second spring clip 402, and the third spring clip 403 are electrically connected. The first spring clip 401 abuts the grounding branch 201, the second spring clip 402 abuts the feeding branch 202, and the third spring clip 403 abuts the parasitic branch 301. The parasitic branch 301, the feeding branch 202, and the grounding branch 201 are located on the same side, so that the grounding unit 40 can ensure good grounding of all parts of the antenna and also help adjust and optimize the impedance matching and radiation performance of the antenna. The second radiating unit 30 is a parasitic unit that can increase the bandwidth of the integrated antenna 100, improve the radiation pattern, or realize multi-band operation. This achieves multi-band coverage, improves isolation, and reduces signal instability. In this application, the first radiation unit 20 is responsible for the main radiation function, the second radiation unit 30 serves as a parasitic unit, and enhances or adjusts the radiation performance of the first radiation unit 20 through electromagnetic coupling. The grounding unit 40 ensures stable signal transmission and good grounding of the antenna through the close contact between its spring clips and various parts of the antenna, thereby achieving multi-band coverage, improving isolation, and reducing signal instability.

[0028] In the embodiment of the present application, the second radiation unit 30 includes a first L-shaped branch and a second L-shaped branch, and one end of the first L-shaped branch is connected to the second L-shaped branch.

[0029] Please continue reading Figure 3 and Figure 4The first radiation unit 20 includes a first antenna 204 and a second antenna 205, and the first antenna 204 and the second antenna 205 are connected. Specifically, the first antenna 204 includes a first rectangular radiation portion 241 and a first radiation branch 242, one end of the first radiation branch 242 is bent and connected to the first rectangular radiation portion 241, and the other end of the first radiation branch 242 is connected to the feeding branch 202, and the first radiation branch 242 also extends a second rectangular radiation portion 243, and the second rectangular radiation portion 243 is connected to the ground branch 201. The second antenna 205 includes a first U-shaped slot 251, a second U-shaped slot 252, an arc slot 253 and a third radiation branch 254, and the first U-shaped slot 251, the second U-shaped slot 252 and the arc slot 253 are connected through the third radiation branch 254. And one end of the third radiation branch 254 is connected to the first antenna 204. Through the above setting, the first antenna 204 is mainly used to cover the signal frequency bands of WIFI5, WIFI2.4, and WIFI 6E, and the second antenna 205 covers the signal frequency band of GPSL5. In addition, by setting the first U-shaped groove 251, the second U-shaped groove 252 and the arc groove 253, the resonant frequency, bandwidth or radiation pattern of the integrated antenna 100 can be adjusted, and the inductance effect can be introduced into the structure of the integrated antenna 100, thereby changing the electrical characteristics of the antenna.

[0030] See also Figure 3 and Figure 4 A first grounding pin 311 extends from one end of the parasitic branch 301, a second grounding pin 312 extends from the other end of the feeding branch 202, and a third grounding pin 313 extends from the other end of the grounding branch 201. The first grounding pin 311 and the second grounding pin 312 are arranged at intervals, and the second grounding pin 312 and the third grounding pin 313 are arranged at intervals, and the first spring clip 401 abuts the first grounding pin 311, ensuring stable grounding of the parasitic branch 301, which helps to reduce electromagnetic interference and improve the overall performance of the antenna; the second spring clip 402 abuts the second grounding pin 312, and the third spring clip 403 abuts the third grounding pin 313, providing a stable grounding path for the integrated antenna 100. Through the above arrangement, good grounding and electrical connection of the antenna can be achieved.

[0031] See also Figure 4The antenna body 10 further includes a middle frame 50, and the first radiating unit 20 and the second radiating unit 30 are disposed on the middle frame 50. The first grounding leg 311, the second grounding leg 312, and the third leg are bent from one end of the middle frame 50 for mounting the back cover and enter the interior of the middle frame 50. A first notch 501, a second notch 502, and a third notch 503 are provided on a side of the middle frame 50 for mounting the back cover. The first notch 501 is used for bending and positioning the first grounding leg 311, the second notch 502 is used for bending and positioning the second grounding leg 312, and the third notch 503 is used for bending and positioning the third grounding leg 313. The widths of the first notch 501, the second notch 502, and the third notch 503 are respectively adapted to the widths of the first grounding leg 311, the second grounding leg 312, and the third grounding leg 313 to fully accommodate the first notch 501, the second notch 502, and the third notch 503. The depths of the first notch 501, the second notch 502, and the third notch 503 are such that after the first grounding leg 311, the second grounding leg 312, and the third grounding leg 313 are accommodated in the first notch 501, the second notch 502, and the third notch 503, the surfaces are flush with the edge surface of the middle frame 50, so as to facilitate the subsequent installation of the back cover. The first grounding spring, the feeding spring and the second grounding spring are used for feeding, which are loaded on the outer shell surface of the antenna body 10 and can be in the form of FPC or laser engraving. Multi-band coverage can be achieved by winding, and the antenna can be miniaturized and the antenna space can be saved.

[0032] In an embodiment of the present application, the middle frame 50 is provided with a button reserved hole 60, which enables physical buttons (such as power button, volume button, mute button, etc.) to be embedded and fixed on the outer casing of the device while maintaining electrical connection with the internal circuit or components.

[0033] Please combine the above Figure 5 and Figure 6 The frequency range of the first radiation unit and the second radiation unit covers GPSL1 (1575.42MHz), GPSL5 (1.176GHz), WIFI2.4 (2400-2500MHz), WIFI5G (5.15-5.85GHz), and WIFI 6E (5.95-7.125GHz). The integrated antenna 100 can be implemented in a small communication device without loading any matching components, and multi-band coverage is achieved. The average efficiency of all frequency bands reaches more than 25%, which solves the problem of difficult and high cost design of broadband antennas in complex environments of miniaturized devices.

[0034] The embodiment of the present application provides an integrated antenna 100, including an antenna body 10, a first radiating unit 20, a second radiating unit 30 and a grounding unit 40, wherein the antenna body 10 is provided with a circuit main board 101, the first radiating unit 20 includes a grounding branch 201 and a feeding branch 202, and a first gap 203 is provided between the grounding branch 201 and the feeding branch 202; the second radiating unit 30 is provided on the antenna body 10, and a parasitic branch 301 extends from one end of the second radiating unit 30; the grounding unit 40 is provided on the circuit main board 101, and the grounding unit 40 includes a first spring 401, a second spring 402 and a first spring 403. Three spring clips 403, the first spring clip 401, the second spring clip 402 and the third spring clip 403 are electrically connected; the first spring clip 401 abuts the grounding branch 201, the second spring clip 402 abuts the feeding branch 202, and the third spring clip 403 abuts the parasitic branch 301, and the parasitic branch 301, the feeding branch 202 and the grounding branch 201 are located on the same side. By setting the first radiation unit 20, the second radiation unit 30 and the grounding unit 40, the second radiation unit 30 is loaded to increase the coupling between the first radiation unit 20 and the circuit main board 101, thereby achieving multi-band coverage, improving isolation, and reducing signal instability.

[0035] An embodiment of the present invention further provides a communication device. For specific implementations, please refer to the above-mentioned integrated antenna 100 and will not be described in detail here.

[0036] The above description is merely 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 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 integrated antenna, characterized in that: include: The antenna body is provided with a circuit main board; a first radiation unit, provided on the antenna body, the first radiation unit comprising a ground branch and a feeding branch, a first gap being provided between the ground branch and the feeding branch; a second radiation unit, disposed on the antenna body, wherein a parasitic branch extends from one end of the second radiation unit; A grounding unit is provided on the circuit main board, the grounding unit includes a first spring piece, a second spring piece and a third spring piece, and the first spring piece, the second spring piece and the third spring piece are electrically connected; The first elastic piece abuts against the grounding branch, the second elastic piece abuts against the feeding branch, and the third elastic piece abuts against the parasitic branch, and the parasitic branch, the feeding branch, and the grounding branch are located on the same side.

2. The integrated antenna according to claim 1, wherein: The first radiation unit includes a first antenna and a second antenna, and the first antenna and the second antenna are connected.

3. The integrated antenna according to claim 2, wherein: The first antenna includes a first rectangular radiating portion and a first radiating branch, one end of the first radiating branch is bent and connected to the first rectangular radiating portion, the other end of the first radiating branch is connected to the feeding branch, and the first radiating branch also extends a second rectangular radiating portion, and the second rectangular radiating portion is connected to the ground branch.

4. The integrated antenna according to claim 3, wherein: The second antenna includes a first U-shaped slot, a second U-shaped slot, an arc-shaped slot and a third radiation branch. The first U-shaped slot, the second U-shaped slot and the arc-shaped slot are connected through the third radiation branch, and one end of the third radiation branch is connected to the first antenna.

5. The integrated antenna according to claim 1, wherein: A first grounding pin extends from one end of the parasitic branch, a second grounding pin extends from the other end of the feeding branch, and a third grounding pin extends from the other end of the grounding branch. The first grounding pin and the second grounding pin are arranged at intervals, and the second grounding pin and the third grounding pin are arranged at intervals, and the first spring clip abuts the first grounding pin, the second spring clip abuts the second grounding pin, and the third spring clip abuts the third grounding pin.

6. The integrated antenna according to claim 5, characterized in that The antenna body is further provided with a middle frame, and the first radiation unit and the second radiation unit are provided in the middle frame.

7. The integrated antenna according to claim 6, characterized in that The first grounding leg, the second grounding leg and the third grounding leg are bent from one end of the middle frame for mounting the back cover and enter into the interior of the middle frame.

8. The integrated antenna according to claim 7, wherein: The middle frame is provided with a button reserved hole.

9. The integrated antenna according to claim 6, characterized in that The middle frame is provided with a first notch, a second notch and a third notch on one side for mounting the back cover, which are used for bending and positioning the feeding branch, the first grounding leg and the second grounding leg respectively.

10. A communication device, characterized in that: Comprising the integrated antenna according to any one of claims 1-9.

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