CN108448225B - Antenna array - Google Patents
Antenna array Download PDFInfo
- Publication number
- CN108448225B CN108448225B CN201810218182.8A CN201810218182A CN108448225B CN 108448225 B CN108448225 B CN 108448225B CN 201810218182 A CN201810218182 A CN 201810218182A CN 108448225 B CN108448225 B CN 108448225B
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- vertical
- supporting vertical
- plates
- plastic fixing
- array
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- Support Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The antenna array comprises four supporting vertical plates, two array arms and a grounding plate, wherein the four supporting vertical plates are arranged in a rectangular manner in a face-to-face manner, the upper parts of the four supporting vertical plates are mutually fixed through first plastic fixing pieces, the lower parts of the four supporting vertical plates are mutually fixed through second plastic fixing pieces, and clamping grooves for correspondingly inserting corresponding ends of the four supporting vertical plates are respectively arranged on the two plastic fixing pieces; the upper ends of the four supporting vertical sheets extend out of the clamping groove of the first plastic fixing piece, every two supporting vertical sheets which are opposite are connected with a long array arm, and the two long array arms are crossed; the lower ends of the four supporting vertical sheets extend out of the clamping grooves of the second plastic fixing piece and are connected with the grounding sheet. Light weight, low cost, high stability, good reliability and stability, and great popularization and application value.
Description
Technical Field
The invention relates to the technical field of communication antennas, in particular to an antenna array.
Background
In the prior art, a large number of cross-shaped array elements are used on an antenna array surface, and generally, cross-shaped array element arms are supported by sheet metal parts, the sheet metal parts are fixed on a reflecting plate by screws, and finally, feeder lines are welded. Because sheet metal support itself is in production, the uniformity of size and shape between a plurality of products is hardly guaranteed to often can produce the deformation in the sheet metal support in the transportation, the result causes the antenna assembly loaded down with trivial details, and structural strength is poor, influences the result of use of antenna. In addition, the cross array has large weight and high manufacturing cost, and is not suitable for the development trend of low cost and automatic production in the communication technology industry.
Disclosure of Invention
In order to solve the technical problems, the invention provides an antenna array.
The technical scheme adopted by the invention for solving the technical problems is as follows: the antenna array comprises four supporting vertical plates, two array arms and a grounding plate, wherein the four supporting vertical plates are arranged in a rectangular manner in a face-to-face manner, the upper parts of the four supporting vertical plates are mutually fixed through first plastic fixing pieces, the lower parts of the four supporting vertical plates are mutually fixed through second plastic fixing pieces, and clamping grooves for correspondingly inserting corresponding ends of the four supporting vertical plates are respectively arranged on the two plastic fixing pieces; the upper ends of the four supporting vertical sheets extend out of the clamping groove of the first plastic fixing piece, every two supporting vertical sheets which are opposite are connected with a long array arm, and the two long array arms are crossed; the lower ends of the four supporting vertical sheets extend out of the clamping grooves of the second plastic fixing piece and are connected with the grounding sheet.
Further, the second plastic fixing piece is provided with at least two positioning posts used for being supported on the grounding piece and at least two buckles used for being matched with corresponding bayonets arranged on the grounding piece.
Further, the second plastic fixing piece comprises two horizontal connecting plates which are arranged at intervals in parallel and four vertical connecting plates which are connected with the two horizontal connecting plates, four clamping grooves for supporting the end parts of the vertical plates to pass through are formed in each horizontal connecting plate, each clamping groove is arranged between two adjacent vertical connecting plates, and the clamping grooves in the two horizontal connecting plates are correspondingly arranged up and down respectively.
Further, a circular process hole is formed in the middle of the horizontal connecting plate, and one side, close to the center of the horizontal connecting plate, of the clamping groove is sunken to the center of the horizontal connecting plate to form an arc shape.
Further, the four vertical connecting plates are arranged face to face at intervals, a vertical reinforcing plate is arranged between every two adjacent vertical connecting plates, and two ends of the vertical reinforcing plate are correspondingly connected with the two horizontal connecting plates respectively.
Further, the draw-in groove be equipped with the draw-in groove opening towards one side that corresponds vertical reinforcing plate, vertical reinforcing plate for having the hollow annular plate in middle part, and the both ends of vertical reinforcing plate are equipped with the hollow opening in middle part with the position that corresponding draw-in groove opening corresponds, the hollow opening in middle part is linked together with the draw-in groove opening.
Further, each positioning column is arranged corresponding to one of the vertical connecting plates and is positioned on one side of one horizontal connecting plate, which is away from the other horizontal connecting plate, the buckle is arranged on the outer side of the positioning column and is positioned at the end part of the corresponding vertical connecting plate extension part, and the position of the buckle exceeds the supporting plane of the positioning column.
Further, the upper ends of the supporting vertical sheets are of convex structures with high middle parts and low two sides, the array arms are rectangular plates, each array arm is spliced with the middle part of the upper end of the corresponding supporting vertical sheet through a slot arranged on each array arm, and each slot is welded with the corresponding supporting vertical sheet through soldering tin; the upper and lower intervals of the two array arms are horizontally arranged.
Further, the lower ends of the supporting vertical plates are of convex structures with high middle parts and low two sides, and the middle parts of the lower ends of the supporting vertical plates are matched with insertion holes arranged on the grounding plates and are welded through soldering tin.
Further, the second plastic fixing piece is of an integrally manufactured structure.
The beneficial effects are that: the invention adopts two plastic fixing pieces to realize the fixed connection between the four supporting vertical pieces, adopts a buckle mode to fix the second plastic piece and the grounding piece together, connects the lower ends of the four supporting pieces with the grounding piece and the upper ends with the array arm, thereby avoiding the use of a mutual welding mode between the four supporting vertical pieces, greatly reducing the installation time of the whole array, and compared with a sheet metal array and a die-casting array in the prior art, the invention has the advantages that
Light weight, low cost, high stability, good reliability and stability. Can be applied to 900M vibrators in a large quantity.
The invention can avoid the complex process of installing the connecting piece such as the screw or the plastic rivet, thereby being more convenient and quick to install and easy to realize automation.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a schematic perspective view of a second plastic fixing member.
Fig. 4 is a schematic perspective view of another placement method of the second plastic fixing piece.
Fig. 5 is a schematic view of the structure of four support stands.
Fig. 6 is a schematic diagram of the structure of an array arm.
Fig. 7 is a schematic view of the second plastic fixing member after being mounted on the grounding plate.
Fig. 8 is a schematic view of the four support tabs mounted into the second plastic mount and welded to the feeder.
In the figure, 1, an array arm, 101, a slot, 2, a first plastic fixing piece, 3, a supporting vertical piece, 4, a second plastic fixing piece, 401, a horizontal connecting plate, 401-1, a clamping groove, 401-1a, a clamping groove opening, 401-2, a round process hole, 402, a vertical connecting plate, 403, a vertical reinforcing plate, 403-1, a hollow middle part, 403-1a, a hollow middle part opening, 404, a positioning column, 405, a buckle, 406, an arc-shaped groove, 5, a grounding piece, 501, an inserting hole, 502, a bayonet, 6 and a feeder line.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and drawings.
As shown, an embodiment of an antenna array is provided. Comprises four supporting vertical plates 3, two array arms 1 and a grounding plate 5.
The four support vertical plates 3 are arranged in a rectangular manner in the opposite surfaces, the upper parts of the four support vertical plates 3 are mutually fixed through first plastic fixing pieces 2, the lower parts of the four support vertical plates are mutually fixed through second plastic fixing pieces 4, and clamping grooves for correspondingly inserting corresponding ends of the four support vertical plates are respectively formed in the two plastic fixing pieces; the upper ends of the four supporting vertical sheets 3 extend out of the clamping grooves of the first plastic fixing piece 2, every two supporting vertical sheets which are opposite are connected with one long array arm 1, and the two long array arms 1 are crossed; the lower ends of the four supporting vertical sheets 3 extend out of the clamping grooves of the second plastic fixing piece 4 and are connected with the grounding sheet 5.
The second plastic fixing piece 4 is provided with at least two positioning posts 404 for supporting on the grounding piece 5 and at least two buckles 405 for matching with corresponding bayonets 502 arranged on the grounding piece 5.
In this embodiment, the second plastic fixing part 4 includes two parallel horizontal connection plates 401 arranged at intervals and four vertical connection plates 402 connected with the two horizontal connection plates 401, each horizontal connection plate 401 is provided with four clamping grooves 401-1 for the end parts of the supporting vertical plates to pass through, each clamping groove is arranged between two adjacent vertical connection plates 402, and the clamping grooves on the two horizontal connection plates 401 are correspondingly arranged up and down.
Four vertical connection plates 402 may be sequentially connected in the circumferential direction of the two horizontal connection plates 401.
In order to reduce the weight of the second plastic fixing piece 4, a circular process hole 401-2 is formed in the middle of the horizontal connecting plate 401, and a side, close to the center of the horizontal connecting plate 401, of the clamping groove 401-1 is recessed to the center of the horizontal connecting plate 401 to form a circular arc shape.
Preferably, the two horizontal connection plates 401 are rectangular, and four vertical connection plates 402 are disposed at four corners of the rectangular horizontal connection plates 401 in a face-to-face spaced relationship. A vertical reinforcing plate 403 is disposed between every two adjacent vertical connecting plates 402, and the upper and lower ends of the vertical reinforcing plate 403 are respectively connected with the two horizontal connecting plates 401 correspondingly.
The context of this document is consistent with the context of fig. 2 or fig. 3 itself.
In order to further reduce the weight of the second fixing connector 4, a clamping slot opening 401-1a is formed on one side of the clamping slot 401-1 facing the corresponding vertical reinforcing plate 403, the vertical reinforcing plate 403 is designed as an annular plate with a hollow middle 403-1, a hollow middle opening 403-1a is formed at the two ends of the vertical reinforcing plate 403 corresponding to the corresponding clamping slot opening 401-1a, and the hollow middle opening 403-1a is communicated with the clamping slot opening 401-1 a.
In this embodiment, four positioning columns are provided, and each positioning column 404 is disposed corresponding to one of the vertical connection plates 402 and is located on one side of one of the horizontal connection plates facing away from the other horizontal connection plate. Referring to fig. 2, the positioning posts 404 are disposed at the lower end of the lower horizontal plate 401.
The buckle 405 is disposed at the outer side of the positioning column 404 and located at the end of the extension portion of the corresponding vertical connecting plate 402, and the position of the buckle 405 exceeds the supporting plane of the positioning column 404, so that the buckle 405 can extend into the bayonet 502 on the grounding plate 5 while the positioning column 404 is supported on the upper end surface of the grounding plate 5. The extension of the vertical connection plate 402 described in this paragraph is because, if for connection purposes only, the vertical connection plate 402 ends with a corresponding horizontal connection plate. The section of the vertical connection plate 402 that extends downward beyond the corresponding horizontal connection plate is an extension of the vertical connection plate 402, as shown in fig. 3.
To further reduce the weight, an arc-shaped groove 406 is provided between the positioning column 404 and the corresponding buckle 405 for transition. Such a structure is also more advantageous in reducing the contact area of the positioning post 404 with the ground plate 5, thereby increasing the positioning smoothness of the positioning post 404.
The second plastic fixing piece 4 can be integrally formed. The method can be particularly used for opening and molding in an injection molding mode of up-and-down die assembly.
The first plastic fixing piece 2 can adopt the same structure as the second plastic fixing piece 4, and can also adopt a structure different from the second plastic fixing piece 4. When the first plastic fixing piece 2 adopts the same structure as the second plastic fixing piece 4, the positioning column 404 and the buckle 405 are idle.
The shape of the arm 1 may be selected according to circumstances, and the whole is long, for example, a rectangular plate shape or a long strip shape or a rectangular frame shape. In this embodiment, the array arm 1 has a rectangular plate shape.
The two rectangular plate-shaped array arms 1 can be arranged in a crossing manner through the strip-shaped grooves which are arranged on the array arms 1 and are perpendicular to the length direction of the array arms 1, namely, the width directions of the two array arms 1 are perpendicular to the horizontal direction.
In this embodiment, the two array arms 1 are arranged horizontally at intervals. In order to facilitate the connection between the supporting vertical piece 3 and the array arms 1, the upper end of the supporting vertical piece 3 is provided with a convex structure with the middle part higher and the two sides lower, each array arm 1 is inserted into the middle part of the upper end of the corresponding supporting vertical piece 3 through a slot 101 arranged on the array arm 1, and each slot 101 is welded with the corresponding supporting vertical piece 3 through soldering tin;
the lower ends of the supporting vertical plates 3 are also arranged to be convex structures with high middle parts and low two sides, and the middle parts of the lower ends of the supporting vertical plates 3 are matched with the jacks 501 arranged on the grounding plates 5 and are welded through soldering tin.
In this embodiment, the four supporting vertical plates 3, the two array arms 1 and the one grounding plate 5 are all made of PCB plates made of FR4 material.
During installation, the clamping buckle 405 of the second plastic fixing piece 4 is matched with the clamping opening 502 on the grounding piece 5; as shown in fig. 7.
Then the lower ends of the four supporting vertical sheets 3 are inserted into corresponding clamping grooves of the second plastic fixing piece 4; the lower ends of the four supporting vertical pieces 3 extend out of the corresponding clamping grooves of the second plastic fixing piece 4 and then are matched with the four jacks 501 on the grounding piece 5, as shown in fig. 8.
The four support uprights 3 and the ground plate 5 are then soldered, and the feeder 6 is soldered to the lower ends of the adjacent two support uprights 3, as shown in fig. 8.
In this embodiment, the feeder 6 is a coaxial cable, and the lower ends of the two supporting vertical plates 3 used for welding the feeder 6 are respectively provided with a small hole matched with the inner conductor of the coaxial cable, the inner conductor of the coaxial cable is matched with the small holes and welded with the corresponding supporting vertical plates 3 through soldering tin, and the outer conductor of the coaxial cable is welded with the grounding plate 5.
And then the second plastic fixing piece 2 is sleeved on the upper parts of the four supporting vertical pieces 3 from the upper ends of the four supporting vertical pieces 3, after the upper ends of the four supporting vertical pieces 3 extend out from the clamping grooves corresponding to the first plastic fixing piece 2, one array arm 1 is matched with the middle parts of the upper ends of the two opposite supporting vertical pieces 3 through the slots 101 on the array arm 1 and then welded through soldering tin (the heights of two sides in the convex structures of the upper ends of the two supporting vertical pieces 3 are lower than those of two sides in the convex structures of the upper ends of the other two supporting vertical pieces 3).
And then the other array arm and the other two supporting vertical sheets 3 are correspondingly arranged and then welded by soldering tin. Finally, the antenna array with the structure is integrally arranged on the reflecting plate.
The clamping groove of the first plastic fixing piece 2 and the supporting vertical piece 3 can be fixed through friction force.
According to the invention, two plastic fixing pieces are adopted to realize the fixed connection between the four supporting vertical pieces, the second plastic piece is fixed with the grounding piece in a buckling mode, the lower ends of the four supporting pieces are connected with the grounding piece, and the upper ends of the four supporting pieces are connected with the array arm, so that the mutual welding mode between the four supporting vertical pieces can be avoided, the installation time of the whole array is greatly shortened, and compared with a sheet metal array and a die-casting array in the prior art, the sheet metal array has the obvious advantages of light weight, difficult deformation, low cost, high stability and good signal receiving effect. Especially can be applied to 900M vibrators in a large quantity.
The invention can avoid the complex process of installing the connecting piece such as the screw or the plastic rivet, thereby being more convenient and quick to install and easy to realize automation.
This Wen Weixiang section is known in the art.
It should be noted that the above embodiments are only for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention falls within the protection scope of the present invention.
Claims (10)
1. An antenna array, includes four support upright piece (3), two array arm (1) and a grounding piece (5), its characterized in that: the four support vertical sheets (3) are arranged in a rectangular shape in the opposite surface, the upper parts of the four support vertical sheets (3) are mutually fixed through first plastic fixing pieces (2), the lower parts of the four support vertical sheets are mutually fixed through second plastic fixing pieces (4), and clamping grooves for correspondingly inserting corresponding ends of the four support vertical sheets are respectively formed in the two plastic fixing pieces; the upper ends of the four supporting vertical sheets (3) extend out of the clamping groove of the first plastic fixing piece (2), every two supporting vertical sheets which are opposite are connected with a long array arm (1), and the two long array arms (1) are crossed; the lower ends of the four supporting vertical sheets (3) extend out of the clamping grooves of the second plastic fixing piece (4) and are connected with the grounding sheet (5).
2. An antenna array as claimed in claim 1, wherein: the second plastic fixing piece (4) is provided with at least two positioning columns (404) used for being supported on the grounding piece (5) and at least two buckles (405) used for being matched with corresponding bayonets (502) arranged on the grounding piece (5).
3. An antenna array according to claim 2, characterized in that: the second plastic fixing piece (4) comprises two parallel horizontal connecting plates (401) which are arranged at intervals and four vertical connecting plates (402) which are connected with the two horizontal connecting plates, four clamping grooves (401-1) for supporting the end parts of the vertical plates to pass through are formed in each horizontal connecting plate (401), each clamping groove is arranged between two adjacent vertical connecting plates (402), and the clamping grooves in the two horizontal connecting plates (401) are correspondingly arranged up and down respectively.
4. An antenna array according to claim 3, characterized in that: the middle part of the horizontal connecting plate (401) is provided with a round process hole, and one side of the clamping groove (401-1) close to the center of the horizontal connecting plate (401) is sunken into an arc shape towards the center of the horizontal connecting plate (401).
5. An antenna array according to claim 3, characterized in that: the four vertical connecting plates (402) are arranged face to face at intervals, one vertical reinforcing plate (403) is arranged between every two adjacent vertical connecting plates (402), and two ends of each vertical reinforcing plate (403) are respectively and correspondingly connected with the two horizontal connecting plates (401).
6. An antenna array as in claim 5, wherein: the clamping groove (401-1) is provided with a clamping groove opening (401-1 a) towards one side of the corresponding vertical reinforcing plate (403), the vertical reinforcing plate (403) is an annular plate with a hollow middle part (403-1), the two ends of the vertical reinforcing plate are provided with a hollow middle part opening (403-1 a) at the position corresponding to the corresponding clamping groove opening (401-1 a), and the hollow middle part opening (403-1 a) is communicated with the clamping groove opening (401-1 a).
7. An antenna array as in claim 5, wherein: each positioning column (404) is arranged corresponding to one vertical connecting plate (402) and is positioned on one side of one horizontal connecting plate, which is away from the other horizontal connecting plate, the buckle (405) is arranged on the outer side of the positioning column (404) and is positioned at the end part of the extension part of the corresponding vertical connecting plate (402), and the position of the buckle (405) exceeds the supporting plane of the positioning column (404).
8. An antenna array as claimed in claim 1, wherein: the upper ends of the supporting vertical sheets (3) are of convex structures with high middle parts and low two sides, the array arms (1) are rectangular plates, each array arm (1) is inserted into the middle part of the upper end of the corresponding supporting vertical sheet through a slot (101) arranged on the array arm, and each slot (101) is welded with the corresponding supporting vertical sheet through soldering tin; the two array arms (1) are horizontally arranged at intervals up and down.
9. An antenna array as claimed in claim 1, wherein: the lower ends of the supporting vertical plates (3) are of convex structures with high middle parts and low two sides, and the middle parts of the lower ends of the supporting vertical plates (3) are matched with insertion holes (501) arranged on the grounding plates (5) for installation and are welded through soldering tin.
10. An antenna array as claimed in claim 1, wherein: the second plastic fixing piece (4) is of an integrally manufactured structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218182.8A CN108448225B (en) | 2018-03-16 | 2018-03-16 | Antenna array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218182.8A CN108448225B (en) | 2018-03-16 | 2018-03-16 | Antenna array |
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| Publication Number | Publication Date |
|---|---|
| CN108448225A CN108448225A (en) | 2018-08-24 |
| CN108448225B true CN108448225B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810218182.8A Active CN108448225B (en) | 2018-03-16 | 2018-03-16 | Antenna array |
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| CN (1) | CN108448225B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492229B (en) * | 2019-08-30 | 2021-03-09 | 湖北三江航天险峰电子信息有限公司 | Fastening device and fastening method for multi-ridge oscillator antenna |
| CN112490622B (en) * | 2020-11-17 | 2023-02-28 | 湖北三江航天险峰电子信息有限公司 | Cantilever type array antenna assembling and welding process method |
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| CN106785371A (en) * | 2017-01-03 | 2017-05-31 | 华南理工大学 | A kind of wide bandwidth base station antenna |
| CN206893795U (en) * | 2017-05-22 | 2018-01-16 | 江苏华灿电讯股份有限公司 | A kind of large angle shot-light special type antenna |
| CN208189761U (en) * | 2018-03-16 | 2018-12-04 | 广东通宇通讯股份有限公司 | A kind of antenna element |
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| CN2789950Y (en) * | 2005-05-30 | 2006-06-21 | 杨华 | Dipolar wideband antenna radiation unit |
| CN103401062A (en) * | 2013-08-13 | 2013-11-20 | 南京澳博阳射频技术有限公司 | Dual-polarized broadband radiating element used on TD-LTE intelligent antenna |
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| CN105826695A (en) * | 2016-04-28 | 2016-08-03 | 深圳慧联达科技有限公司 | Dual-polarized antenna array |
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| CN108448225A (en) | 2018-08-24 |
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