CN211350965U

CN211350965U - 5G broadband omnidirectional antenna

Info

Publication number: CN211350965U
Application number: CN201921652045.1U
Authority: CN
Inventors: 沈细荣; 鲍晋朝; 陈晓飞
Original assignee: Jiangsu Wutong Internet Of Things Technology Co ltd
Current assignee: Jiangsu Wutong Internet Of Things Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-08-25
Anticipated expiration: 2029-09-30

Abstract

The utility model provides a 5G wide band omnidirectional antenna, including base plate, ground plate and feed arm, the base plate connect in the top of ground plate, a surface of base plate is provided with the radiation array body, the one end of feed arm pass the base plate with the radiation array body coupling, the other end of feed arm is close to the ground plate. The utility model discloses a 5G wide band omnidirectional antenna, its simple structure, the installation is firm, and can realize the wide band characteristic of antenna, has reached 45% bandwidth wide band nature.

Description

5G broadband omnidirectional antenna

Technical Field

The utility model relates to a mobile communication field especially relates to that 5G micro base station, slight station antenna omnidirectional cover are used, concretely relates to 5G wide band omnidirectional antenna.

Background

In a mobile communication system, an antenna plays a crucial role, and coverage of a mobile communication network requires the antenna to be a carrier for transceiving electromagnetic waves required by network coverage. At present, many wireless communication systems are available, and at present, 4G has started to be used in a large scale globally, and for future development, the industry is beginning to explore new ways to research fifth-generation mobile communication technology, so that an antenna suitable for a 5G network is urgently needed in the industry.

Therefore, there is a need to provide a new solution.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that exists among the prior art, the utility model discloses a 5G wide band omnidirectional antenna, concrete technical scheme is as follows:

the utility model provides a 5G wide band omnidirectional antenna, including base plate, ground plate and feed arm, the base plate connect in the top of ground plate, a surface of base plate is provided with the radiation array body, the one end of feed arm pass the base plate with the radiation array body coupling, the other end of feed arm is close to the ground plate.

Furthermore, the substrate is a square printed circuit board, and the radiation array body is a copper-clad layer.

Furthermore, the copper-clad layer comprises an inner ring copper-clad area and an outer ring copper-clad area, the outer ring copper-clad area is close to the outer edge of the copper-clad layer, and the inner ring copper-clad area is located in the center of the copper-clad layer.

Furthermore, the radiation array body is provided with four slit grooves which are Y-shaped, the four Y-shaped slit grooves are respectively close to four corners of the copper-clad layer and are symmetrically arranged, and the inner ring copper-clad area is positioned on the inner side of the Y-shaped open groove.

Furthermore, a first welding hole and a second welding hole parallel to the first welding hole are formed in the substrate, the first welding hole is located in the center of the substrate, and the second welding holes are located on two sides of the first welding hole respectively and symmetrically arranged at the edge of the substrate.

Furthermore, the first welding hole and the second welding hole are both elongated holes, one end of the feed arm penetrates through the first welding hole to be connected with the inner ring copper-clad area, the other end of the feed arm is close to the ground plate and forms a feed point with the ground plate, and a welding port for welding a coaxial line core wire is formed in the other end of the feed arm.

Furthermore, the ground plate is provided with at least two grounding arms and a plurality of fixing holes, the grounding arms are formed by upwards folding the ground plate around the uncut edge after being cut by the layer surface perpendicular to the ground plate, the grounding arms are symmetrically arranged, the layer surface of the ground plate is cut to form folding holes, and the ground plate is welded with a coaxial line ground wire.

Furthermore, one side of the grounding arm, which is far away from the uncut edge, is provided with a notch, the notches are symmetrically arranged at two ends of one side of the grounding arm, the side of the grounding arm, which is far away from the uncut edge, penetrates through the second welding hole to be connected with the inner ring copper-clad area, and the notch is abutted against the substrate.

Furthermore, the feed arm is a rectangular metal plate, and the length direction of the rectangular metal plate is perpendicular to the ground plate and the substrate respectively.

Further, the antenna is a 5G broadband omnidirectional antenna for a 5G network.

The utility model discloses following beneficial effect has:

1. the utility model provides an antenna, its simple structure is firm, adopts behind the welding metal shaping and PCB welding design, welds the feed through the coaxial line, and its simple process, stable in structure can ensure the stable performance.

2. The utility model provides an antenna, it adopts type formula gap coupling antenna structure, combines the design of two wide ground connection arms to realize the wide band characteristic of antenna.

3. The utility model discloses an antenna, its PCB array part adopts inside and outside two rings to cover the copper design, tentatively realizes the low frequency part and the high frequency part of wide band antenna, and radiation array body symmetry both sides welding ground connection arm on the base plate makes the antenna form the return circuit through the ground connection arm. And a feed arm is welded in the middle of the radiating array body, and the other end of the feed arm is an antenna feed point and is welded with a coaxial line.

4. The utility model discloses an antenna, its bandwidth and size for optimizing the antenna, cover four angles in copper district in the outer lane of PCB radiation array body, open respectively and have Y type slot groove to further promote the bandwidth. The broadband characteristic of the antenna is realized by combining the width and the height of the grounding arm and the size adjustment of the feed arm through the area of the copper-clad area of the inner ring of the antenna, the area of the copper-clad area of the outer ring of the antenna and the gap between the copper-clad area and the outer ring of the antenna, so that the broadband performance of 45% of bandwidth is achieved.

5. The utility model provides an antenna can cover 1710 supplyes 2690 and remove full frequency channel, and the antenna realizes that the standing wave satisfies to be less than 1.8 in the working frequency channel, and the antenna design can realize perpendicular 60 degrees angles, and out-of-roundness is less than +/-3dB to can realize installing in the equipment of little station, inhale the top qxcomm technology, cover, antenna standing wave and out-of-roundness can satisfy and remove operator performance requirement.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a 5G broadband omnidirectional antenna of the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a schematic view of the structure of the copper-clad layer of FIG. 2;

FIG. 4 is a schematic view of the structure of the substrate of FIG. 2;

fig. 5 is a schematic diagram of the structure of the feeder arm of fig. 2;

fig. 6 is a schematic structural view of the grounding plate of fig. 2;

fig. 7 is a standing wave diagram of the 5G broadband omnidirectional antenna of the present invention.

The welding method comprises the following steps of 1-copper-clad layer, 2-substrate, 3-feed arm, 4-grounding plate, 10-outer ring copper-clad region, 11-inner ring copper-clad region, 12-gap between inner ring copper-clad region and outer ring copper-clad region, 13-Y-shaped gap groove, 21-first welding hole, 22-second welding hole, 30-welding port, 40-grounding arm, 401-notch and 41-fixing hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through the interior of two elements or in interactive relation with one another. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 7, fig. 1 is a schematic structural diagram of a 5G broadband omnidirectional antenna of the present invention; FIG. 2 is a schematic diagram of the exploded structure of FIG. 1; FIG. 3 is a schematic view of the structure of the copper-clad layer of FIG. 2; FIG. 4 is a schematic view of the structure of the substrate of FIG. 2; fig. 5 is a schematic diagram of the structure of the feeder arm of fig. 2; fig. 6 is a schematic structural view of the grounding plate of fig. 2; fig. 7 is a standing wave diagram of the 5G broadband omnidirectional antenna of the present invention.

As shown in fig. 1 to 7, the 5G broadband omnidirectional antenna of the present invention includes a substrate 2, a ground plate 4 and a feeding arm 3, the substrate 2 is connected to the top of the ground plate 4, a surface of the substrate 2 is provided with a radiation array body, one end of the feeding arm 3 is passed through the substrate 2 and is connected to the radiation array body by welding, and the other end of the feeding arm 3 is close to the ground plate 4.

The substrate 2 is a square Printed Circuit Board (PCB), and the radiation array body is a copper-clad layer 1. The copper-clad layer 1 comprises an inner ring copper-clad area 11 and an outer ring copper-clad area 10, the outer ring copper-clad area 10 is close to the outer edge of the copper-clad layer 1, and the inner ring copper-clad area 11 is located in the center of the copper-clad layer 1. The utility model discloses an adopt the PCB single face to cover the copper design, the radiation array daughter uses the gap coupling design to be the antenna master mode, covers the size of the area size of copper district 10, the size of the area of copper district 11 of inner circle through the adjustment outer lane to and the outer lane covers copper district 10 and the inner circle covers the interval between the copper district 11 in order to realize the wide band characteristic. The outer ring copper-clad region 10 mainly exhibits the low-frequency characteristic of the broadband, the inner ring copper-clad region 11 mainly exhibits the high-frequency characteristic of the broadband, and the broadband characteristic is optimized by combining a gap 12 between the inner ring copper-clad region and the outer ring copper-clad region.

With reference to fig. 3, the radiation array body is provided with four Y-shaped slit grooves 13, the four Y-shaped slit grooves are respectively close to four corners of the copper-clad layer 1 and are symmetrically arranged, and the inner-ring copper-clad region 11 is located inside the Y-shaped slit groove. The utility model discloses in PCB outer lane copper-clad area 10, for further optimizing antenna characteristic and reducing antenna size, it has four Y type slot 13 to open in 2 corners of base plate.

The substrate 2 is provided with a first welding hole 21 and a second welding hole 22 parallel to the first welding hole 21, the first welding hole 21 is located in the center of the substrate 2, and the second welding holes 22 are located on two sides of the first welding hole 21 respectively and symmetrically arranged on the edge of the substrate 2. The first welding hole 21 is a feeding arm 3 welding hole, and the second welding hole 22 is a grounding arm 40 welding hole.

The first welding hole 21 and the second welding hole 22 are both elongated holes, one end of the feed arm 3 penetrates through the first welding hole 21 to be connected with the inner ring copper-clad area 11 in a welding mode, the other end of the feed arm 3 is close to the ground plate 4 and forms a feed point with the ground plate 4, the other end of the feed arm 3 is provided with a welding port 30 used for welding a coaxial line core wire, and the coaxial line ground wire is welded on the ground plate 4.

The ground plate 4 is provided with at least two ground arms 40 and a plurality of fixing holes 41, the ground arms 40 are formed by bending upward around the uncut edge after being cut from the layer surface perpendicular to the ground plate 4, the ground arms 40 are symmetrically arranged, the layer surface of the ground plate 4 is cut to form bending holes, and the ground plate 4 is welded with a coaxial line ground wire.

A notch is formed in one side, away from the uncut edge, of the grounding arm 40, the notches 401 are symmetrically formed in two ends of one side of the grounding arm 40, the side, away from the uncut edge, of the grounding arm 40 penetrates through the second welding hole 22 to be in welding connection with the inner copper-clad area 11, and the notches 401 abut against the lower surface of the substrate 2. In this embodiment, the number of the ground arms 40 is two, the ground arm 40 is a metal ground arm 40, the ground arm 40 combines with a slot coupling design of a PCB to realize a broadband, and the ground arm 40 can also be used as a support column of the whole antenna.

The utility model discloses the ground lug 40 and the design of ground plate 4 formula as an organic whole of antenna, ground lug 40 crack the clearance from ground plate 4 and roll over, and keep away from in the upper end of ground lug 40 and open on one side of being connected with ground plate 4 and have two breachs 401, thereby this breach 401 can be used to insert in PCB's second welding hole 22 realize spacing to base plate 2, the height of antenna is adjusted to the height that the accessible set up breach 401 simultaneously. The ground plate 4 and the grounding arm 40 of the utility model are all designed by metal plating, thus ensuring the strength and weldability.

The utility model discloses the design has four fixed orificess 41 all around at the ground plate, and is convenient fixed, and wherein, the quantity and the position of fixed orifices 41 can be adjusted according to the hole site and the requirement of equipment.

The feed arm 3 is a rectangular metal plate, and the length direction of the rectangular metal plate is respectively perpendicular to the grounding plate 4 and the substrate 2. The utility model discloses a wide band omnidirectional antenna of 5G5G combines the design and the optimization of wide ground arm 40, Y type slot 13 and rectangle feed arm 3 to realize wide band omnidirectional characteristic through the slot coupling design to can realize covering 1710 and 2690MHz frequency band.

Please continue to refer to fig. 7, the utility model discloses an antenna realizes that the standing wave satisfies to be less than 1.8 in the operating frequency channel, and the antenna design can realize the perpendicular 60 degrees angles, and out-of-roundness is less than +/-3dB to can realize installing in the equipment of little station, inhale a qxcomm technology, cover, can satisfy and remove operator performance requirement.

It should be noted that the antenna of the present invention is not limited to be used in 5G network 5G broadband omnidirectional antenna.

The utility model discloses following beneficial effect has:

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications and changes may be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. The 5G broadband omnidirectional antenna is characterized by comprising a substrate (2), a ground plate (4) and a feed arm (3), wherein the substrate (2) is connected above the ground plate (4), a radiation array body is arranged on one surface of the substrate (2), one end of the feed arm (3) penetrates through the substrate (2) to be connected with the radiation array body, and the other end of the feed arm (3) is close to the ground plate (4).

2. The 5G broadband omnidirectional antenna of claim 1, wherein the substrate (2) is a square printed circuit board, and the radiation array body is a copper-clad layer (1).

3. The 5G broadband omnidirectional antenna of claim 2, wherein the copper-clad layer (1) comprises an inner ring copper-clad region (11) and an outer ring copper-clad region (10), the outer ring copper-clad region (10) is close to the outer edge of the copper-clad layer (1), and the inner ring copper-clad region (11) is located in the center of the copper-clad layer (1).

4. The 5G broadband omnidirectional antenna according to claim 3, wherein the radiating array body is provided with four slit grooves, the slit grooves are Y-shaped, the four slit grooves are symmetrically arranged near four corners of the copper-clad layer (1), and the inner copper-clad region (11) is located inside the Y-shaped slit groove.

5. The 5G broadband omnidirectional antenna according to claim 3, wherein the substrate (2) has a first welding hole (21) and a second welding hole (22) parallel to the first welding hole (21), the first welding hole (21) is located at the center of the substrate (2), and the second welding holes (22) are respectively located at two sides of the first welding hole (21) and symmetrically located at the edge of the substrate (2).

6. The 5G broadband omnidirectional antenna according to claim 5, wherein the first welding hole (21) and the second welding hole (22) are both elongated holes, one end of the feed arm (3) passes through the first welding hole (21) and is connected with the inner-ring copper-clad region (11), the other end of the feed arm (3) is close to the ground plate (4) and forms a feed point with the ground plate (4), and the other end of the feed arm (3) is provided with a welding port (30) for welding coaxial wires.

7. The 5G broadband omnidirectional antenna according to claim 6, wherein the ground plate (4) is provided with at least two ground arms (40) and a plurality of fixing holes (41), the ground arms (40) are formed by cutting from a plane perpendicular to the ground plate (4) and then folding upwards around an uncut edge, the ground arms (40) are symmetrically arranged, the plane of the ground plate (4) is cut to form folding holes, and the ground plate (4) is welded with a coaxial ground wire.

8. The 5G broadband omnidirectional antenna according to claim 7, wherein a notch (401) is formed in one side of the ground arm (40) away from the uncut edge, the notches (401) are symmetrically formed in two ends of one side of the ground arm (40), the side of the ground arm (40) away from the uncut edge penetrates through the second welding hole (22) to be connected with the inner-ring copper-clad area (11), and the notch (401) abuts against the substrate (2).

9. The 5G broadband omnidirectional antenna according to claim 1, wherein the feeding arm (3) is a rectangular metal plate, and the length direction of the rectangular metal plate is perpendicular to the ground plate (4) and the substrate (2), respectively.

10. The 5G broadband omnidirectional antenna of claim 1, wherein the antenna is a 5G broadband omnidirectional antenna for a 5G network.