CN213026492U

CN213026492U - 5G communication antenna

Info

Publication number: CN213026492U
Application number: CN202022576561.XU
Authority: CN
Inventors: 罗云
Original assignee: Shenzhen Xinghang Wulian Science And Technology Co ltd
Current assignee: Shenzhen Xinghang Wulian Science And Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-04-20
Anticipated expiration: 2030-11-10

Abstract

The utility model provides a 5G communication antenna, including bar PCB board, one of them face printing of bar PCB board has the circuit, the circuit is including setting up irradiator and reflection ground on the bar PCB board, the irradiator includes first radiating element, reflection ground includes first coupling unit and second coupling unit, first coupling unit with second coupling unit locates respectively first radiating element's both sides, just first coupling unit with first radiating element's coupling length second coupling unit with first radiating element's coupling length inequality to increase radiation bandwidth.

Description

5G communication antenna

Technical Field

The utility model relates to a thing networking antenna communication device field especially relates to a 5G communication antenna.

Background

An antenna is a transducer that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space) or vice versa. Antenna design is an important part of the design of a low power, short-range radio transceiver device for use in radio frequency identification systems. The PCB antenna has the advantages of low cost, small occupied space, simple manufacturing process, etc., and is gradually replacing the conventional copper antenna.

And the world-wide-article interconnection in the 5G communication environment is the current trend. The common 5G antenna is generally provided with a low-frequency band antenna and has a very large area. The communication antenna of the internet of things needs to be installed in various environments, and has certain requirements on the size of the antenna, so that a 5G communication antenna which can meet the requirements of miniaturization and wide bandwidth is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a 5G communication antenna has characteristics miniaturized, that bandwidth scope is big.

Furthermore, the radiation unit further comprises a first adjustable component, wherein one end of the first adjustable component is welded with the first radiation unit, and the other end of the first adjustable component is welded with the first coupling unit.

Furthermore, the radiator further comprises a second radiation unit and a third radiation unit, wherein one end of the second radiation unit is communicated with the first radiation unit, and one end of the third radiation unit is communicated with the first radiation unit.

Furthermore, the radiation unit further comprises a second adjustable component, wherein one end of the second adjustable component is welded with the first radiation unit, and the other end of the second adjustable component is welded with the third radiation unit.

And furthermore, the PCB further comprises a third adjustable component, one end of the third adjustable component is welded with the third radiation unit, and the other end of the third adjustable component is welded with the base surface of the PCB.

Further, the third radiation unit includes first section and second section that communicates each other, first section includes first end and second end, the second section includes third end and fourth end, first end with first radiation unit intercommunication, the second end with the third end intercommunication just first section with the second section forms an acute included angle.

Furthermore, an included angle formed at the joint of the second end and the third end is located at one end of the strip-shaped PCB.

Further, the fourth end is disposed opposite to one end of the first coupling unit.

The cable is characterized by further comprising a cable, wherein a first welding point and a second welding point are arranged on the strip-shaped PCB, the cable is composed of a wire core, an inner insulating layer, a shielding layer and an outer insulating layer from inside to outside, one end of the wire core is welded with the first welding point, and one end of the shielding layer is welded with the second welding point.

Further, the pad of the first welding point is smaller than the pad of the second welding point.

The utility model discloses a set up first coupling unit and second coupling unit, and locate the both sides of first radiating element respectively, in order to reach the impedance of coupling regulation 3000-; and the coupling length between the first coupling unit and the first radiation unit is not equal to the coupling length between the second coupling unit and the first radiation unit, so that the radiation bandwidth of the antenna is wider by using sizes with different lengths.

Drawings

Fig. 1 is an overall schematic diagram of a 5G communication antenna according to an embodiment of the present invention.

FIG. 2 is an angular schematic view of the embodiment of FIG. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

It should be further noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-2, the present invention provides a 5G communication antenna 100, including a bar PCB 10, one side of the bar PCB 10 is printed with a circuit, the circuit includes a radiator 20 and a reflective ground 30 disposed on the bar PCB 10, the radiator 20 includes a first radiating element 21, a second radiating element 22 and a third radiating element 23, one end of the second radiating element 22 is communicated with the first radiating element 21, and one end of the third radiating element 23 is communicated with the first radiating element 21.

Wherein, the first radiation unit 21 is used for adjusting the high frequency band by adjusting the width thereof, and the frequency band range thereof is 1710-5000 MHz; the second radiation unit 22 is a branch radiation unit of the radiator 20, the second radiation unit 22 is used to increase a high frequency bandwidth, and the adjustment frequency range is 2000-4000 MHz; the third radiating element 23 is used for adjusting the low-frequency impedance by adjusting the length thereof, and the frequency range thereof is 700-.

Specifically, the reflective ground 30 includes a first coupling unit 31 and a second coupling unit 32, the first coupling unit 31 and the second coupling unit 32 are respectively disposed at two sides of the first radiation unit 21, and a coupling length between the first coupling unit 31 and the first radiation unit 21 is not equal to a coupling length between the second coupling unit 32 and the first radiation unit 21, so as to increase a radiation bandwidth.

The first coupling unit 31 and the second coupling unit 32 are branches of the reflective ground 30 of the antenna, are distributed on two sides of the first radiation unit 21, and are used for coupling and adjusting impedance of 3000-5000MHz, and by adopting sizes with different lengths, the radiation bandwidth of the antenna is wider.

Preferably, the third radiation unit 23 includes a first section 231 and a second section 232 which are communicated with each other, the first section 231 includes a first end 2311 and a second end 2312, the second section 232 includes a third end 2321 and a fourth end 2322, the first end 2311 is communicated with the first radiation unit 21, the second end 2312 is communicated with the third end 2321, and the first section 231 and the second section 232 form an acute included angle.

Preferably, an included angle formed at the joint of the second end 2312 and the third end 2321 is located at one end of the strip-shaped PCB 10, so that on one hand, the overall length of the radiation unit is increased, the problem of overlong length of the PCB is avoided, and the requirement of miniaturization is met.

Preferably, the fourth end 2322 is disposed opposite to one end of the first coupling unit 31.

Preferably, the 5G communication antenna 100 includes a first adjustable component 101, one end of the first adjustable component 101 is welded to the first radiation unit 21, and the other end of the first adjustable component 101 is welded to the first coupling unit 31; the first adjustable component 101 is used for adjusting a high-frequency bandwidth and changing the form of the antenna, and any one of a parallel inductor, a capacitor or a resistor can be used, and the radiation bandwidth of a specified frequency band is optimized by adjusting the value of the parallel inductor, the capacitor or the resistor.

Preferably, the 5G communication antenna 100 further includes a second adjustable component 102, one end of the second adjustable component 102 is welded to the first radiation unit 21, and the other end of the second adjustable component 102 is welded to the third radiation unit 23.

Preferably, the 5G communication antenna 100 further includes a third adjustable component 103, where one end of the third adjustable component 103 is welded to the third radiating element 23, and the other end is welded to the base surface of the PCB.

The second adjustable component 102 is connected in parallel to perform impedance adjustment and end loading, the third adjustable component 103 is connected in series to perform impedance adjustment and end loading, and the second adjustable component 102 and the third adjustable component 103 are any one of an inductor, a capacitor or a resistor, so that the required frequency band bandwidth is optimized.

Specifically, the 5G communication antenna 100 further includes a cable (not shown in the figure), the cable includes a core, an inner insulating layer, a shielding layer, and an outer insulating layer from inside to outside, the strip-shaped PCB 10 is provided with a first welding point 11 and a second welding point 12, the first welding point 11 is disposed on the radiator 20, the second welding point 12 is disposed on the reflective ground 30, one end of the core is welded to the first welding point 11, and one end of the shielding layer is welded to the second welding point 12.

Further, the pad of the first bonding pad 11 is smaller than the pad of the second bonding pad 12.

Throughout the description and claims of this application, the words "comprise/comprises" and the words "have/includes" and variations of these are used to specify the presence of stated features, values, steps or components but do not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.

Some features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, certain features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the present invention.

Claims

1. The utility model provides a 5G communication antenna, includes the bar PCB board, its characterized in that, one of them face printing of bar PCB board has the circuit, the circuit is including setting up irradiator and reflection ground on the bar PCB board, the irradiator includes first radiating element, reflection ground includes first coupling unit and second coupling unit, first coupling unit with second coupling unit locates respectively the both sides of first radiating element, just first coupling unit with the coupling length of first radiating element the second coupling unit with the coupling length inequality of first radiating element to increase radiation bandwidth.

2. The 5G communication antenna according to claim 1, further comprising a first adjustable component, wherein one end of the first adjustable component is welded with the first radiation unit, and the other end of the first adjustable component is welded with the first coupling unit.

3. The 5G communication antenna according to claim 1, wherein the radiator further comprises a second radiation unit and a third radiation unit, one end of the second radiation unit is communicated with the first radiation unit, and one end of the third radiation unit is communicated with the first radiation unit.

4. The 5G communication antenna according to claim 3, further comprising a second adjustable component, wherein one end of the second adjustable component is welded to the first radiation unit, and the other end of the second adjustable component is welded to the third radiation unit.

5. The 5G communication antenna according to claim 3, further comprising a third adjustable component, wherein one end of the third adjustable component is welded to the third radiating element, and the other end of the third adjustable component is welded to the base surface of the PCB.

6. The 5G communication antenna according to claim 3, wherein the third radiation unit comprises a first section and a second section which are communicated with each other, the first section comprises a first end and a second end, the second section comprises a third end and a fourth end, the first end is communicated with the first radiation unit, the second end is communicated with the third end, and the first section and the second section form an acute included angle.

7. The 5G communication antenna according to claim 6, wherein an included angle formed by the connection of the second end and the third end is located at one end of the strip-shaped PCB.

8. The 5G communication antenna according to claim 6, wherein the fourth end is disposed opposite to one end of the first coupling unit.

9. The 5G communication antenna according to claim 1, further comprising a cable, wherein the strip PCB is provided with a first welding point and a second welding point, the cable is composed of a core, an inner insulating layer, a shielding layer and an outer insulating layer from inside to outside, one end of the core is welded to the first welding point, and one end of the shielding layer is welded to the second welding point.

10. The 5G communications antenna of claim 9, wherein the pads of the first bond pad are smaller than the pads of the second bond pad.