Shaped antenna for venue

Abstract

The utility model discloses a venue shaped antenna, which comprises a mounting clamp, a support plate, a support column, a reflecting plate, an isolating bar and a radiation unit, the support plate can be horizontally or vertically adjusted and mounted on the mounting clamp, the reflecting plate is fixed on the support plate through the support column, and the isolating bar and the radiation unit are both mounted on the reflecting plate; the radiation unit group comprises a plurality of groups of medium-broadband radiation units and a plurality of groups of 5G radiation units, each group of medium-broadband radiation units comprises a plurality of medium-broadband radiation subunits, and the plurality of medium-broadband radiation subunits are distributed on one side of the support plate in an annular array; the 5G radiation unit comprises a plurality of 5G radiation subunits, and the plurality of 5G radiation subunits are distributed on the other side of the supporting plate in an annular array. The 3dB beam width and the angle variation of the venue shaped antenna are smaller than or equal to 28 degrees, and the problems that the horizontal plane beam width and the angle variation of the venue shaped antenna are large, signals of the venue shaped antenna are unstable, and adjacent cell interference is serious in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of antennas, in particular to a shaped antenna for a venue. Background Art

[0002] In the prior art, shaped antennas for venues are widely used in large venues. Currently, existing shaped antennas for venues often have problems such as too large 3dB horizontal beamwidth and large angular variation of the horizontal beam from 3dB to 20dB, resulting in signal instability and serious co-channel interference of the shaped antenna for the venue during actual installation and use in the venue.

[0003] Regarding the problems of too large horizontal beamwidth and angular variation of the shaped antenna for the venue in the prior related art, and signal instability and serious co-channel interference of the shaped antenna for the venue, no effective solution has been proposed yet. Summary of the Utility Model

[0004] In view of this, it is necessary to provide a shaped antenna for a venue to at least solve the problems of too large horizontal beamwidth and angular variation of the shaped antenna for the venue in the prior related art, and signal instability and serious co-channel interference of the shaped antenna for the venue.

[0005] A technical solution adopted by the utility model is as follows: The utility model provides a shaped antenna for a venue, including a mounting clamp, a support plate, a support column, a reflector, an isolation strip and a radiation unit. The support plate can be horizontally or vertically adjusted and installed on the mounting clamp. The reflector is fixed on the support plate through the support column. The isolation strip and the radiation unit are both installed on the reflector. The radiation unit group includes several groups of medium-wideband radiation units and several groups of 5G radiation units. Each group of medium-wideband radiation units includes several medium-wideband radiation sub-units, and several of the medium-wideband radiation sub-units are distributed in a circular array on one side of the support plate. The 5G radiation unit includes several 5G radiation sub-units, and several of the 5G radiation sub-units are distributed in a circular array on the other side of the support plate.

[0006] In some embodiments, several groups of the medium-wideband radiation units are two groups of the medium-wideband radiation units, and several of the medium-wideband radiation sub-units are nine medium-wideband radiation sub-units. The nine medium-wideband radiation sub-units are distributed in a 3*3 circular array on one side of the support plate. Several groups of the 5G radiation units are two groups of the 5G radiation units, and several of the 5G radiation sub-units are nine 5G radiation sub-units. The nine 5G radiation sub-units are distributed in a 3*3 circular array on the other side of the support plate.

[0007] In some of these embodiments, the nine medium-wideband radiation sub-units are arranged such that one of the medium-wideband radiation sub-units is the center point, and the remaining eight medium-wideband radiation sub-units are respectively located in the directions of 0°, 45°, 90°, 135°, 180°, 225°, 270°, and 315° of this medium-wideband radiation sub-unit; the nine 5G radiation sub-units are arranged such that one of the 5G radiation sub-units is the center point, and the remaining eight 5G radiation sub-units are respectively located in the directions of 0°, 45°, 90°, 135°, 180°, 225°, 270°, and 315° of this 5G radiation sub-unit.

[0008] In some of these embodiments, the isolation strips include medium-wideband isolation strips and 5G isolation strips. The medium-wideband isolation strips are provided between two sets of medium-wideband radiation units, and the 5G isolation strips are provided between two sets of 5G radiation units.

[0009] In some of these embodiments, the mounting clamp includes a first chuck, a second chuck, a fixing bolt, a horizontal adjustment bracket, and a vertical adjustment bracket. The fixing bolt is fixed to the first chuck, and the second chuck is adjustably provided at the lower end of the first chuck through the fixing bolt and a nut. A clamping area is formed between the first chuck and the second chuck. The horizontal adjustment bracket is rotatably provided at the upper end of the first chuck, the lower end of the vertical adjustment bracket is rotatably provided at the upper end of the horizontal adjustment bracket, and the bottom of the support plate is fixed to the upper end of the vertical adjustment bracket; wherein, the first chuck and the second chuck are fixed to an external device through the clamping area, and the support plate is adjusted in the horizontal or vertical direction on the external device through the horizontal adjustment bracket and the vertical adjustment bracket.

[0010] In some of these embodiments, the horizontal adjustment bracket is provided with a first arc-shaped long hole, and the first chuck is provided with a first adjustment hole adapted to the first arc-shaped long hole. The horizontal adjustment bracket is adjusted in the horizontal direction angle on the first chuck through the first arc-shaped long hole, the first adjustment hole, and a fixing screw.

[0011] In some of these embodiments, the vertical adjustment bracket is provided with a second arc-shaped long hole, and the horizontal adjustment bracket is provided with a second adjustment hole adapted to the second arc-shaped long hole. The vertical adjustment bracket is adjusted in the vertical direction angle on the horizontal adjustment bracket through the second arc-shaped long hole, the second adjustment hole, and a fixing screw.

[0012] In some of these embodiments, it further includes an outer cover and end caps. The end caps are covered on the left and right sides of the support plate and the reflector. The outer cover is covered on the upper end of the support plate. A radiation unit accommodation area is formed between the outer cover, the end caps and the support plate. The support columns, the reflector, the isolation strips and the radiation units are located inside the radiation unit accommodation area.

[0013] In some of these embodiments, it further includes a radio frequency connector and a feeding network. The radio frequency connector, the feeding network and the radiation units are electrically connected to each other.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: The embodiments of the present application provide a shaped antenna for a venue. Both the medium-wideband radiation units and the 5G radiation units are shaped by using a circular array distribution on the reflector, so as to preferentially ensure that it is suitable for a venue. The circular array distribution method can meet the requirements that the 3dB beamwidth in the horizontal plane is within the range of 35±5°, the angle change amount of the horizontal plane beam from 3dB to 20dB is ≤28°, there are no spurious beams, the horizontal plane beam has good convergence, the upper side lobe suppression is ≤ -25dB, the antenna efficiency is high, and it has higher performance and higher commercial value, and is highly practical. Description of the Drawings

[0015] Figure 1 is a schematic structural diagram of the embodiment of the present application without the outer cover;

[0016] Figure 2 is a schematic structural diagram of the embodiment of the present application without the outer cover and the mounting clamp;

[0017] Figure 3 is a schematic structural diagram of the mounting clamp of the embodiment of the present application;

[0018] Figure 4 is a schematic overall structural diagram of the embodiment of the present application.

[0019] Reference Signs:

[0020] 100, mounting clamp; 11, first chuck; 12, second chuck; 13, fixing bolt; 14, horizontal adjustment bracket; 15, vertical adjustment bracket; 16, first arc-shaped long hole; 17, second arc-shaped long hole;

[0021] 200, support plate;

[0022] 300, support column;

[0023] 400, reflector;

[0024] 500, isolation strip; 51, medium-wideband isolation strip; 52, 5G isolation strip;

[0025] 600, Radiation unit; 61, Medium-wideband radiation unit; 611, Medium-wideband radiation subunit; 62, 5G radiation unit; 621, 5G radiation subunit;

[0026] 700, Outer cover;

[0027] 800, End cap. Detailed implementation manner

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] It should be noted that when a component is referred to as being "installed on" another component, it can be directly installed on the other component or there may also be an intermediate component. When a component is considered to be "set on" another component, it can be directly set on the other component or there may be an intermediate component at the same time. When a component is considered to be "fixed to" another component, it can be directly fixed to the other component or there may be an intermediate component at the same time.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The term "or / and" used herein includes any and all combinations of one or more of the related listed items.

[0031] Refer to Figures 1 to 4 , the embodiment of the present application provides a venue conformal antenna, including a mounting clamp 100, a support plate 200, a support column 300, a reflector 400, an isolation strip 500 and a radiation unit 600. The support plate 200 can be horizontally or vertically adjusted and installed on the mounting clamp 100. The reflector 400 is fixed to the support plate 200 through the support column 300. The isolation strip 500 and the radiation unit 600 are both installed on the reflector 400; the radiation unit 600 group includes several groups of medium-wideband radiation units 61 and several groups of 5G radiation units 62. Each group of medium-wideband radiation units 61 includes several medium-wideband radiation subunits 611. The several medium-wideband radiation subunits 611 are distributed in a circular array on one side of the support plate 200; the 5G radiation unit 62 includes several 5G radiation subunits 621. The several 5G radiation subunits 621 are distributed in a circular array on the other side of the support plate 200.

[0032] It can be understood that with such a setting, the medium-wideband radiation sub-units 611 of the medium-wideband radiation unit 61 and the 5G radiation sub-units 621 of the 5G radiation unit 62 both adopt a specific annular array structure and are shaped on the reflector 200, so as to preferentially ensure suitability for stadium use. The annular array distribution method can meet the horizontal plane 3dB beamwidth: 35±5°, the angle change of the horizontal plane beam from 3dB to 20dB ≤ 28°, there is no spurious beam, the horizontal plane beam has good convergence, the upper sidelobe suppression ≤ -25dB, and the antenna efficiency is high.

[0033] In order to form a medium-wideband radiation unit with an annular array structure, in some alternative embodiments, several groups of medium-wideband radiation units 61 are two groups of medium-wideband radiation units 61, and several medium-wideband radiation sub-units 611 are nine medium-wideband radiation sub-units 611. These nine medium-wideband radiation sub-units 611 are distributed in a 3*3 annular array on one side of the support plate 200; several groups of 5G radiation units 62 are two groups of 5G radiation units 62, and several 5G radiation sub-units 621 are nine 5G radiation sub-units 621. These nine 5G radiation sub-units 621 are distributed in a 3*3 annular array on the other side of the support plate 200.

[0034] In this embodiment, the power distribution corresponding to the medium-wideband radiation sub-units 611 and the 5G radiation sub-units 621 corresponding to each 3*3 annular array adopts annular power distribution, and the corresponding power distribution ratios are all: 1:1~4; at the same time, each 3*3 annular array also performs linear array shaping design.

[0035] Further, in order to further form the corresponding annular array, in some alternative embodiments, among the nine medium-wideband radiation sub-units 611, one medium-wideband radiation sub-unit 611 is used as the center point, and the remaining eight medium-wideband radiation sub-units 611 are respectively located in the directions of 0°, 45°, 90°, 135°, 180°, 225°, 270° and 315° of this medium-wideband radiation sub-unit 611; among the nine 5G radiation sub-units 621, one 5G radiation sub-unit 621 is used as the center point, and the remaining eight 5G radiation sub-units 621 are respectively located in the directions of 0°, 45°, 90°, 135°, 180°, 225°, 270° and 315° of this 5G radiation sub-unit 621.

[0036] In some alternative embodiments, the isolation strip 500 includes a medium-wideband isolation strip 51 and a 5G isolation strip 52. The medium-wideband isolation strip 51 is arranged between two groups of medium-wideband radiation units 61, and the 5G isolation strip 52 is arranged between two groups of 5G radiation units 62.

[0037] It can be understood that with such a setting, a structural design is adopted in which the medium-wideband isolation strip 51 is disposed between two groups of medium-wideband radiation units 61, and the 5G isolation strip 52 is disposed between two groups of 5G radiation units 62, so that the middle of the array of the medium-wideband radiation units 61 of the same frequency or the middle of the array of the 5G radiation units 62 is separated and does not affect each other.

[0038] In order to better fix the radiation unit 600 on the external device, in some alternative embodiments, the mounting clip 100 includes a first chuck 11, a second chuck 12, a fixing bolt 13, a horizontal adjustment bracket 14 and a vertical adjustment bracket 15. The fixing bolt 13 is fixed on the first chuck 11. The second chuck 12 is adjustably disposed at the lower end of the first chuck 11 through the fixing bolt 13 and a nut. A clamping area is formed between the first chuck 11 and the second chuck 12. The horizontal adjustment bracket 14 is rotatably disposed at the upper end of the first chuck 11. The lower end of the vertical adjustment bracket 15 is rotatably disposed at the upper end of the horizontal adjustment bracket 14. The bottom of the support plate 200 is fixed to the upper end of the vertical adjustment bracket 15. Among them, the first chuck 11 and the second chuck 12 are fixed to the external device through the clamping area, and the support plate 200 is adjusted horizontally or vertically on the external device through the horizontal adjustment bracket 14 and the vertical adjustment bracket 15.

[0039] In order to realize the horizontal direction angle adjustment function of the radiation unit 600, in some alternative embodiments, a first arc-shaped long hole 16 is provided on the horizontal adjustment bracket 14, and a first adjustment hole adapted to the first arc-shaped long hole 16 is provided on the first chuck 11. The horizontal adjustment bracket 14 is adjusted horizontally on the first chuck 11 through the first arc-shaped long hole 16, the first adjustment hole and a fixing screw. By adjusting the position of the first adjustment hole and the fixing screw in the first arc-shaped long hole 16, the horizontal angle is adjusted, with high accuracy and convenient adjustment.

[0040] In order to realize the vertical direction angle adjustment function of the radiation unit 600, in some alternative embodiments, a second arc-shaped long hole 17 is provided on the vertical adjustment bracket 15, and a second adjustment hole adapted to the second arc-shaped long hole 17 is provided on the horizontal adjustment bracket 14. The vertical adjustment bracket 15 is adjusted vertically on the horizontal adjustment bracket 14 through the second arc-shaped long hole 17, the second adjustment hole and a fixing screw. By adjusting the position of the second adjustment hole and the fixing screw in the second arc-shaped long hole 17, the vertical angle is adjusted, with high accuracy and convenient adjustment.

[0041] In order to better protect the safety of the circuit or components, in some alternative embodiments, it further includes an outer cover 700 and an end cover 800. The end cover 800 covers the left and right sides of the support plate 200 and the reflector 400, and the outer cover 700 covers the upper end of the support plate 200. A radiation unit accommodation area is formed between the outer cover 700, the end cover 800 and the support plate 200. The support posts 300, the reflector 400, the isolation strips 500 and the radiation unit 600 are located inside the radiation unit accommodation area.

[0042] In order to enable the normal operation of the radiation unit 600, in some alternative embodiments, it further includes a radio frequency connector and a feeding network, and the radio frequency connector, the feeding network and the radiation unit 600 are electrically connected to each other.

[0043] Those of ordinary skill in the art of this technology should recognize that the above embodiments are only used to illustrate the present utility model and are not used to limit the present utility model. As long as appropriate changes and variations made to the above embodiments fall within the scope of the spirit of the present utility model, they fall within the scope of protection required by the present utility model.

Claims

1. A shaped antenna for a venue, characterized in that, It includes a mounting clip code (100), a support plate (200), a support column (300), a reflector (400), a spacer (500) and a radiation unit (600). The support plate (200) can be installed on the mounting clip code (100) with horizontal or vertical adjustment. The reflector (400) is fixed on the support plate (200) through the support column (300). The spacer (500) and the radiation unit (600) are both installed on the reflector (400). The radiation unit (600) group includes several groups of medium-wideband radiation units (61) and several groups of 5G radiation units (62). Each group of the medium-wideband radiation units (61) includes several medium-wideband radiation sub-units (611). The several medium-wideband radiation sub-units (611) are distributed in a circular array on one side of the support plate (200). The 5G radiation unit (62) includes several 5G radiation sub-units (621). The several 5G radiation sub-units (621) are distributed in a circular array on the other side of the support plate (200).

2. The venue-shaped antenna according to claim 1, characterized in that The several groups of the medium-wideband radiation units (61) are two groups of the medium-wideband radiation units (61). The several medium-wideband radiation sub-units (611) are nine medium-wideband radiation sub-units (611). The nine medium-wideband radiation sub-units (611) are distributed in a 3*3 circular array on one side of the support plate (200). The several groups of the 5G radiation units (62) are two groups of the 5G radiation units (62). The several 5G radiation sub-units (621) are nine 5G radiation sub-units (621). The nine 5G radiation sub-units (621) are distributed in a 3*3 circular array on the other side of the support plate (200).

3. The venue-shaped antenna according to claim 2, wherein, One of the nine medium-wideband radiation sub-units (611) is used as the center point, and the remaining eight medium-wideband radiation sub-units (611) are respectively located in the directions of 0°, 45°, 90°, 135°, 180°, 225°, 270° and 315° of the medium-wideband radiation sub-unit (611). One of the nine 5G radiation sub-units (621) is used as the center point, and the remaining eight 5G radiation sub-units (621) are respectively located in the directions of 0°, 45°, 90°, 135°, 180°, 225°, 270° and 315° of the 5G radiation sub-unit (621).

4. The venue-shaped antenna according to claim 2, characterized in that, The spacer (500) includes a medium-wideband spacer (51) and a 5G spacer (52). The medium-wideband spacer (51) is arranged between two groups of the medium-wideband radiation units (61). The 5G spacer (52) is arranged between two groups of the 5G radiation units (62).

5. The venue-shaped antenna according to claim 1, characterized in that, The installation clamp code (100) includes a first chuck (11), a second chuck (12), a fixing bolt (13), a horizontal adjustment bracket (14) and a vertical adjustment bracket (15). The fixing bolt (13) is fixed on the first chuck (11). The second chuck (12) is adjustably arranged at the lower end of the first chuck (11) through the fixing bolt (13) and a nut. A clamping area is formed between the first chuck (11) and the second chuck (12). The horizontal adjustment bracket (14) is rotatably arranged at the upper end of the first chuck (11). The lower end of the vertical adjustment bracket (15) is rotatably arranged at the upper end of the horizontal adjustment bracket (14). The bottom of the support plate (200) is fixed at the upper end of the vertical adjustment bracket (15). Among them, the first chuck (11) and the second chuck (12) are fixed on an external device through the clamping area, and the support plate (200) is adjusted horizontally or vertically on the external device through the horizontal adjustment bracket (14) and the vertical adjustment bracket (15).

6. The venue-shaped antenna according to claim 5, characterized in that, The horizontal adjustment bracket (14) is provided with a first arc-shaped long hole (16). The first chuck (11) is provided with a first adjustment hole adapted to the first arc-shaped long hole (16). The horizontal adjustment bracket (14) is horizontally adjusted in angle on the first chuck (11) through the first arc-shaped long hole (16), the first adjustment hole and a fixing screw.

7. The venue-shaped antenna according to claim 6, wherein The vertical adjustment bracket (15) is provided with a second arc-shaped long hole (17). The horizontal adjustment bracket (14) is provided with a second adjustment hole adapted to the second arc-shaped long hole (17). The vertical adjustment bracket (15) is vertically adjusted in angle on the horizontal adjustment bracket (14) through the second arc-shaped long hole (17), the second adjustment hole and a fixing screw.

8. The venue-shaped antenna according to claim 1, characterized in that, It further includes an outer cover (700) and an end cover (800). The end cover (800) covers the left and right sides of the support plate (200) and the reflector (400). The outer cover (700) covers the upper end of the support plate (200). A radiation unit accommodation area is formed between the outer cover (700), the end cover (800) and the support plate (200). The support column (300), the reflector (400), the isolation strip (500) and the radiation unit (600) are located inside the radiation unit accommodation area.

9. The shaped antenna for a venue according to claim 1, wherein It further includes a radio frequency connector and a feeding network. The radio frequency connector, the feeding network and the radiation unit (600) are electrically connected to each other.

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