Multi-frequency multi-port non-electrically tunable shaped antenna

Abstract

The utility model discloses a multi-frequency multi-port non-electrically tunable shaped antenna, comprising a reflecting plate and radiation units, the longitudinal direction of the reflecting plate is sequentially provided with a middle-broadband radio frequency unit installation area and a high-frequency radio frequency unit installation area, and the radiation units comprise a plurality of first radiation units and a plurality of second radiation units. The plurality of first radiation units are arranged in the medium-broadband radio frequency unit installation area side by side, the plurality of second radiation units are arranged in the high-frequency radio frequency unit installation area side by side, each second radiation unit comprises a plurality of second radiation subunits, and the plurality of second radiation subunits of each second radiation unit are arranged in an area array. And each second radiation unit is also in coupled connection with a filtering characteristic feed network board and a corresponding radio frequency connector, wherein the filtering characteristic feed network board is arranged on the other side, deviating from the second radiation unit, of the reflecting plate. According to the invention, it is preferentially ensured that the antenna is specifically suitable for venues, the antenna efficiency is high, and the antenna has higher performance and higher commercial value.

Description

Technical Field

[0001] The utility model relates to the technical field of antennas, and in particular to a multi-frequency multi-port non-electrically adjustable shaped antenna. Background Art

[0002] In the existing technology, multi-frequency, multi-port, non-electrically adjustable shaped antennas are widely used in various fields. At present, the existing multi-frequency, multi-port, non-electrically adjustable shaped antennas often have the problem that the electromagnetic wave signal of the shaped network fluctuates too much and has no filtering characteristics, resulting in unstable signals and serious co-frequency and adjacent-frequency interference during the actual antenna installation and use.

[0003] In the existing related technologies, the electromagnetic wave signal fluctuations of the shaping network of the multi-frequency, multi-port non-electrically adjustable shaping antenna are too large and there is no filtering characteristics. This causes signal instability and serious co-frequency and adjacent-frequency interference during the actual antenna installation and use. No effective solution has been proposed yet. Utility Model Content

[0004] In view of this, it is necessary to provide a multi-frequency, multi-port, non-electrically adjustable shaped antenna to at least solve the problem in the related technology that the electromagnetic wave signal of the shaped network fluctuates too much and has no filtering characteristics, resulting in unstable signals and serious co-frequency and adjacent-frequency interference during the actual antenna installation and use.

[0005] A technical solution adopted by the present invention is as follows: The present invention provides a multi-frequency, multi-port, non-electrically adjustable shaped antenna, including a reflector and a radiation unit, wherein the longitudinal direction of the reflector is sequentially provided with a medium-wideband radio frequency unit installation area and a high-frequency radio frequency unit installation area, the radiation unit includes a plurality of first radiation units and a plurality of second radiation units, a plurality of the first radiation units are arranged side by side in the medium-wideband radio frequency unit installation area, a plurality of the second radiation units are arranged side by side in the high-frequency radio frequency unit installation area, each of the first radiation units includes a plurality of first radiation sub-units, and the plurality of first radiation sub-units of each first radiation unit are arranged in a phase distribution in a circular array to form a corresponding wideband radiation unit, and each of the first radiation units is also arranged in the The filtering characteristic centimeter network shaping board and the corresponding RF connector are coupled and connected on the other side of the reflector away from the first radiating unit; each second radiating unit includes multiple second radiating sub-units, and the multiple second radiating sub-units of each second radiating unit are arranged in a planar array to constitute a corresponding 5G radiating unit. Each second radiating unit is also coupled and connected with the filtering characteristic feeding network board and the corresponding RF connector arranged on the other side of the reflector away from the second radiating unit, wherein the RF frequency band of each first radiating sub-unit is: 1410-2690MHz, and the RF frequency band of each second radiating sub-unit is: 4800-5000MHz, and the RF connector is set as an external port.

[0006] In some of these embodiments, two of the first radiation units are provided in the medium broadband RF unit installation area, and each of the first radiation units includes the first radiation sub-units distributed in an N×N form annular array, where N≥3; all the first radiation sub-units of each of the first radiation units are further arranged with one of the first radiation sub-units as the center point, and the other eight first radiation sub-units are respectively arranged in the directions of 0°, 45°, 90°, 135°, 180°, 225°, 270°, and 315° of the first radiation sub-unit located at the center point.

[0007] In some of these embodiments, two of the second radiation units are provided in the high-frequency RF unit installation area, and all the second radiation sub-units of each of the second radiation units form an M×M planar array, where M≥3, and all the second radiation sub-units are equally spaced in the longitudinal and transverse directions.

[0008] In some of these embodiments, it further includes mounting clip codes, a support plate, support columns, and isolation strips. The support plate is movably connected to the mounting clip codes and can rotate 90° relative to the mounting clip codes. The reflector is fixed to the support plate through the support columns. The isolation strips are provided in both the medium broadband RF unit installation area and the high-frequency RF unit installation area. The isolation strip provided in the medium broadband RF unit installation area is used to partition the medium broadband RF unit installation area into installation areas for multiple first radiation units, and the isolation strip provided in the high-frequency RF unit installation area is used to partition the high-frequency RF unit installation area into installation areas for multiple second radiation units.

[0009] In some of these embodiments, the isolation strip includes a first isolation strip and a second isolation strip. The first isolation strip is provided between two adjacent first radiation units, and the second isolation strip is provided between two adjacent second radiation units.

[0010] In some of these embodiments, the mounting clip code includes a first clip head, a second clip head, a fixing bolt, a horizontal adjustment bracket, and a vertical adjustment bracket. The fixing bolt is fixed to the first clip head, and the second clip head is adjustably provided at the lower end of the first clip head through the fixing bolt and a nut. A clamping area is formed between the first clip head and the second clip head. The horizontal adjustment bracket is rotatably provided at the upper end of the first clip head, and the lower end of the vertical adjustment bracket is rotatably provided at the upper end of the horizontal adjustment bracket. The bottom of the support plate is fixed to the upper end of the vertical adjustment bracket; wherein, the first clip head and the second clip head 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.

[0011] In some of these embodiments, a first arc-shaped long slot is provided on the horizontal adjustment bracket, a first adjustment hole adapted to the first arc-shaped long slot is provided on the first chuck, and the horizontal adjustment bracket is horizontally adjusted on the first chuck through the first arc-shaped long slot, the first adjustment hole and a fixing screw.

[0012] In some of these embodiments, a second arc-shaped long slot is provided on the vertical adjustment bracket, a second adjustment hole adapted to the second arc-shaped long slot is provided on the horizontal adjustment bracket, and the vertical adjustment bracket is vertically adjusted on the horizontal adjustment bracket through the second arc-shaped long slot, the second adjustment hole and a fixing screw.

[0013] In some of these embodiments, an outer cover is further included, the outer cover covers the outer surfaces of the support plate and the reflector, a radiation unit accommodation area is formed between the outer cover and the support plate, and the support column, the reflector, the isolation strip and the radiation unit are located inside the radiation unit accommodation area.

[0014] In some of these embodiments, each of the first radiation units and each of the second radiation units are coupled to two of the RF connectors.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The embodiments of the present application provide a multi-frequency multi-port non-electrically tuned shaped antenna. The first radiation units are distributed in an annular array on the reflector for shaping, and the second radiation units are distributed in a planar array on the reflector for shaping. Thus, it preferentially ensures suitability for use in specific venues, can meet the requirements that the 3dB beamwidth in the horizontal plane and the 3dB beamwidth in the vertical plane present a flat-topped beam, without spurious beams, the beams in the horizontal plane and the vertical plane have good convergence, and the upper side lobe suppression is ≤ -25dB. The antenna has high efficiency, higher performance and higher commercial value, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the embodiment of the present application without the outer cover;

[0017] Figure 2 is a schematic structural diagram of the embodiment of the present application without the outer cover and the mounting clamp;

[0018] Figure 3 is a schematic structural diagram of the back of the reflector and the radiation unit of the embodiment of the present application;

[0019] Figure 4 is a schematic structural diagram of the mounting clamp;

[0020] Figure 5Schematic diagram of the overall structure of the embodiments of the present application.

[0021] Reference numerals:

[0022] 100, reflector; 101, medium-wideband RF unit installation area; 102, high-frequency RF unit installation area;

[0023] 200, radiation unit; 21, first radiation unit; 211, first radiation sub-unit; 22, second radiation unit; 221, second radiation sub-unit; 23, filter characteristic common network shaping plate; 24, filter characteristic feed network plate; 231, shaping plate; 232, filter characteristic common network;

[0024] 300, mounting clamp; 31, first chuck; 32, second chuck; 33, fixing bolt; 34, horizontal adjustment bracket; 35, vertical adjustment bracket; 36, first arc-shaped long hole; 37, second arc-shaped long hole;

[0025] 400, support plate;

[0026] 500, support column;

[0027] 600, isolation strip; 61, first isolation strip; 62, second isolation strip;

[0028] 700, outer cover;

[0029] 800, RF connector. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0031] It should be noted that when a component is referred to as being "mounted on" another component, it can be directly mounted 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.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "or / and" as used herein includes any and all combinations of one or more of the associated listed items.

[0033] See also Figures 1 to 4 , an embodiment of the present application provides a multi-band multi-port non-electrically adjustable shaped antenna, including a reflector 100 and a radiating unit 200, wherein a medium-wideband radio frequency unit installation area 101 and a high-frequency radio frequency unit installation area 102 are sequentially provided in the longitudinal direction of the reflector 100, and the radiating unit 200 includes a plurality of first radiating units 21 and a plurality of second radiating units 22, wherein the plurality of first radiating units 21 are arranged side by side in the medium-wideband radio frequency unit installation area 101, and the plurality of second radiating units 22 are arranged side by side in the high-frequency radio frequency unit installation area 102, each first radiating unit 21 includes a plurality of first radiating sub-units 211, and the plurality of first radiating sub-units 211 of each first radiating unit 21 are arranged in a phase distribution in a circular array to form a corresponding wideband radiating unit, and each first radiating unit 21 is also arranged in a phase distribution in a circular array to form a corresponding wideband radiating unit. 0 The filtering characteristic centimeter network shaping board 23 on the other side away from the first radiation unit 21 is coupled and connected to the corresponding RF connector 800; each second radiation unit 22 includes a plurality of second radiation sub-units 221, and the plurality of second radiation sub-units 221 of each second radiation unit 22 are arranged in a planar array to constitute a corresponding 5G radiation unit. Each second radiation unit 22 is also coupled and connected to the filtering characteristic feeding network board 24 and the corresponding RF connector 800 arranged on the other side of the reflector 100 away from the second radiation unit 22, wherein the RF frequency band of each first radiation sub-unit 211 is: 1410-2690MHz, and the RF frequency band of each second radiation sub-unit 221 is: 4800-5000MHz, and the RF connector 800 is set as an external port.

[0034] In this embodiment, the filtering characteristic centroid network shaping board 23 is composed of a conventional shaping board 231 and a filtering characteristic centroid network 232. At the same time, it can be understood and should be understood that the embodiments of the present application use: the shaping board 231, the filtering characteristic centroid network 232, the filtering characteristic feeding network board 24, the first radiation sub-unit 211, the second radiation sub-unit 221 and the RF connector 800 are all products known in the prior art and do not constitute unclear limitations of the embodiments of the present application.

[0035] It can be understood that with such a setting, the first radiation sub-units 211 of the first radiation unit 21 are distributed in a specific annular array structure on the reflector 100 for shaping, and the second radiation sub-units 221 of the second radiation unit 22 are distributed in a specific planar array structure on the reflector 100 for shaping. This preferentially ensures suitability for use in venues, and can meet the requirements that the 3dB beamwidth in the horizontal plane and the 3dB beamwidth in the vertical plane present a flat-topped beam, without spurious beams, the beams in the horizontal plane and the vertical plane have good convergence, and the upper sidelobe suppression is ≤ -25dB, with high antenna efficiency.

[0036] In some alternative embodiments, to form the first radiation unit 21 with an annular array structure and the second radiation unit 22 with a planar array structure, the medium-frequency RF unit installation area 101 is provided with two first radiation units 21. Each first radiation unit 21 includes first radiation sub-units 211 distributed in an N×N annular array, where N≥3. All the first radiation sub-units 211 of each first radiation unit 21 are further arranged such that, taking one of the first radiation sub-units 211 as the center point, the other eight first radiation sub-units 211 are respectively located in the directions of 0°, 45°, 90°, 135°, 180°, 225°, 270°, and 315° of the first radiation sub-unit 211 at the center point.

[0037] In some alternative embodiments, the high-frequency RF unit installation area 102 is provided with two second radiation units 22. All the second radiation sub-units 221 of each second radiation unit 22 form an M×M planar array, where M≥3. Among them, all the second radiation sub-units 221 are equally spaced in the longitudinal and transverse directions.

[0038] In this embodiment, the first radiation sub-units 211 corresponding to each 3*3 annular array in the first radiation unit 21 adopt an annular array phase distribution design, and the second radiation sub-units 221 corresponding to each 3*3 planar array in the second radiation unit 22 adopt a planar array distribution design. A filtering network corresponding to the corresponding frequency band is designed in the middle of each co-frequency sub-array to effectively suppress the fifth-order signals other than the co-frequency and adjacent frequencies. Each 3*3 sub-planar array is used for planar array power distribution (power distribution ratio: 1:1:2). For each 3*3 sub-array, each column array is shaped using the Taylor distribution and Chebyshev synthesis algorithms for linear arrays and planar arrays to effectively suppress the upper sidelobes and grating lobes.

[0039] In some alternative embodiments, it further includes a mounting clip code 300, a support plate 400, a support column 500 and a partition strip 600. The support plate 400 is movably connected to the mounting clip code 300 and can rotate 90° relative to the mounting clip code 300. The reflector 100 is fixed to the support plate 400 through the support column 500. Partition strips 600 are provided in both the medium broadband RF unit installation area 101 and the high-frequency RF unit installation area 102. The partition strip 600 provided in the medium broadband RF unit installation area 101 is used to partition the medium broadband RF unit installation area 101 into installation areas for a plurality of first radiation units 21, and the partition strip 600 provided in the high-frequency RF unit installation area 102 is used to partition the high-frequency RF unit installation area 102 into installation areas for a plurality of second radiation units 22.

[0040] In some alternative embodiments, the partition strip 600 includes a first partition strip 61 and a second partition strip 62. The first partition strip 61 is provided between two adjacent first radiation units 21, and the second partition strip 62 is provided between two adjacent second radiation units 22.

[0041] It can be understood that with such a setting, by adopting the structural design in which the first partition strip 61 is provided between two groups of first radiation units 21 and the second partition strip 62 is provided between two groups of second radiation units 22, the middle of the array of the first radiation units 21 of the same frequency or the middle of the array of the second radiation units 22 is separated and does not affect each other.

[0042] In order to better fix the radiation unit 200 on an external device, in some alternative embodiments, the mounting clip code 300 includes a first chuck 31, a second chuck 32, a fixing bolt 33, a horizontal adjustment bracket 34 and a vertical adjustment bracket 35. The fixing bolt 33 is fixed to the first chuck 31. The second chuck 32 is adjustably provided at the lower end of the first chuck 31 through the fixing bolt 33 and a nut. A clamping area is formed between the first chuck 31 and the second chuck 32. The horizontal adjustment bracket 34 is rotatably provided at the upper end of the first chuck 31. The lower end of the vertical adjustment bracket 35 is rotatably provided at the upper end of the horizontal adjustment bracket 34. The bottom of the support plate 400 is fixed to the upper end of the vertical adjustment bracket 35. Among them, the first chuck 31 and the second chuck 32 are fixed to the external device through the clamping area, and the support plate 400 is adjusted horizontally or vertically on the external device through the horizontal adjustment bracket 34 and the vertical adjustment bracket 35.

[0043] In order to achieve the horizontal direction angle adjustment function of the radiation unit 200, in some alternative embodiments, a first arc-shaped long hole 36 is provided on the horizontal adjustment bracket 34, and a first adjustment hole adapted to the first arc-shaped long hole 36 is provided on the first chuck 31. The horizontal adjustment bracket 34 is adjusted in the horizontal direction angle on the first chuck 31 through the first arc-shaped long hole 36, the first adjustment hole and a fixing screw.

[0044] In order to implement the vertical angle adjustment function of the radiation unit 200, in some alternative embodiments, a second arc-shaped long hole 37 is provided on the vertical adjustment bracket 35, and a second adjustment hole adapted to the second arc-shaped long hole 37 is provided on the horizontal adjustment bracket 34. The vertical adjustment bracket 35 performs vertical angle adjustment on the horizontal adjustment bracket 34 through the second arc-shaped long hole 37, the second adjustment hole and the fixing screw.

[0045] In order to better protect the safety of the circuit or components, in some alternative embodiments, an outer cover 700 is further included. The outer cover 700 covers the outer surfaces of the support plate 400 and the reflector 100. A radiation unit accommodation area is formed between the outer cover 700 and the support plate 400. The support columns 500, the reflector 100, the isolation strips 600 and the radiation unit 200 are located inside the radiation unit accommodation area.

[0046] In order to implement the normal operation of the radiation unit 600, in some alternative embodiments, each first radiation unit 21 and each second radiation unit 22 are coupled to two RF connectors 800.

[0047] Those of ordinary skill in the art of the present technology should recognize that the above embodiments are only used to illustrate the present utility model, rather than to limit the present utility model. As long as appropriate changes and variations are made to the above embodiments within the scope of the substantial spirit of the present utility model, they fall within the scope of protection required by the present utility model.

Claims

1. A multi-frequency and multi-port non-electrically tunable shaped antenna, characterized in that It includes a reflector (100) and radiation units (200). In the longitudinal direction of the reflector (100), a medium-wideband RF unit installation area (101) and a high-frequency RF unit installation area (102) are successively provided. The radiation units (200) include a plurality of first radiation units (21) and a plurality of second radiation units (22). The plurality of first radiation units (21) are arranged side by side in the medium-wideband RF unit installation area (101), and the plurality of second radiation units (22) are arranged side by side in the high-frequency RF unit installation area (102). Each first radiation unit (21) includes a plurality of first radiation sub-units (211). The plurality of first radiation sub-units (211) of each first radiation unit (21) are arranged in a circular array phase distribution to correspondingly form a wideband radiation unit. Each first radiation unit (21) is also coupled and connected to a filtering characteristic common network shaping plate (23) and a corresponding RF connector (800) provided on the other side of the reflector (100) facing away from the first radiation unit (21). Each second radiation unit (22) includes a plurality of second radiation sub-units (221). The plurality of second radiation sub-units (221) of each second radiation unit (22) are arranged in a plane array to correspondingly form a 5G radiation unit. Each second radiation unit (22) is also coupled and connected to a filtering characteristic feeding network plate (24) and the corresponding RF connector (800) provided on the other side of the reflector (100) facing away from the second radiation unit (22). Among them, the RF frequency band of each first radiation sub-unit (211) is: 1410 - 2690 MHz, the RF frequency band of each second radiation sub-unit (221) is: 4800 - 5000 MHz, and the RF connector (800) is set as an external port.

2. The multi-frequency multi-port non-electrically tunable shaped antenna according to claim 1, characterized in that, Two of the first radiation units (21) are provided in the medium-wideband RF unit installation area (101). Each first radiation unit (21) includes the first radiation sub-units (211) arranged in a circular array in the form of N×N, where N≥3. All the first radiation sub-units (211) of each first radiation unit (21) are also arranged such that one of the first radiation sub-units (211) is used as the center point, and the other eight first radiation sub-units (211) are respectively arranged in the directions of 0°, 45°, 90°, 135°, 180°, 225°, 270°, and 315° of the first radiation sub-unit (211) located at the center point.

3. The multi-frequency multi-port non-electrically tunable shaped antenna according to claim 1, wherein Two of the second radiation units (22) are provided in the high-frequency RF unit installation area (102). All the second radiation sub-units (221) of each second radiation unit (22) form an M×M plane array, where M≥3. Among them, all the second radiation sub-units (221) are equally spaced in the longitudinal and transverse directions.

4. The multi-frequency multi-port non-electrically tunable shaped antenna according to claim 1, wherein It further includes a mounting clamp code (300), a support plate (400), a support column (500) and a separator strip (600). The support plate (400) is movably connected to the mounting clamp code (300) and can rotate 90° relative to the mounting clamp code (300). The reflector (100) is fixed to the support plate (400) through the support column (500). The separator strip (600) is provided in both the medium-wideband RF unit installation area (101) and the high-frequency RF unit installation area (102). The separator strip (600) provided in the medium-wideband RF unit installation area (101) is used to partition the medium-wideband RF unit installation area (101) into installation areas for a plurality of the first radiation units (21), and the separator strip (600) provided in the high-frequency RF unit installation area (102) is used to partition the high-frequency RF unit installation area (102) into installation areas for a plurality of the second radiation units (22).

5. The multi-frequency multi-port non-electrically tunable shaped antenna according to claim 4, wherein The separator strip (600) includes a first separator strip (61) and a second separator strip (62). The first separator strip (61) is provided between two adjacent first radiation units (21), and the second separator strip (62) is provided between two adjacent second radiation units (22).

6. The multi-frequency multi-port non-electrically tunable shaped antenna according to claim 4, characterized in that, The mounting clamp code (300) includes a first chuck (31), a second chuck (32), a fixing bolt (33), a horizontal adjustment bracket (34) and a vertical adjustment bracket (35). The fixing bolt (33) is fixed to the first chuck (31). The second chuck (32) is adjustably provided at the lower end of the first chuck (31) through the fixing bolt (33) and a nut. A clamping area is formed between the first chuck (31) and the second chuck (32). The horizontal adjustment bracket (34) is rotatably provided at the upper end of the first chuck (31). The lower end of the vertical adjustment bracket (35) is rotatably provided at the upper end of the horizontal adjustment bracket (34). The bottom of the support plate (400) is fixed to the upper end of the vertical adjustment bracket (35). Wherein, the first chuck (31) and the second chuck (32) are fixed to an external device through the clamping area, and the support plate (400) is adjusted in the horizontal or vertical direction on the external device through the horizontal adjustment bracket (34) and the vertical adjustment bracket (35).

7. The multi-frequency multi-port non-electrically tunable shaped antenna according to claim 6, wherein The horizontal adjustment bracket (34) is provided with a first arc-shaped long hole (36), and the first chuck (31) is provided with a first adjustment hole adapted to the first arc-shaped long hole (36). The horizontal adjustment bracket (34) performs horizontal direction angle adjustment on the first chuck (31) through the first arc-shaped long hole (36), the first adjustment hole and a fixing screw.

8. The multi-band multi-port non-electrically tunable shaped antenna according to claim 6, wherein The vertical adjustment bracket (35) is provided with a second arc-shaped long hole (37), the horizontal adjustment bracket (34) is provided with a second adjustment hole adapted to the second arc-shaped long hole (37), and the vertical adjustment bracket (35) is vertically adjusted on the horizontal adjustment bracket (34) through the second arc-shaped long hole (37) and the second adjustment hole with a fixing screw.

9. The multi-frequency multi-port non-electrically tunable shaped antenna according to claim 4, wherein It further includes an outer cover (700), the outer cover (700) covers the outer surfaces of the support plate (400) and the reflector (100), a radiation unit (200) accommodation area is formed between the outer cover (700) and the support plate (400), and the support column (500), the reflector (100), the isolation strip (600) and the radiation unit (200) are located inside the radiation unit (200) accommodation area.

10. The multi - frequency multi - port non - electrically - tuned shaped antenna according to claim 1, wherein Each of the first radiation units (21) and each of the second radiation units (22) are coupled to two of the RF connectors (800).

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