CN103618149A - Double-polarized radiation unit and antenna - Google Patents
Double-polarized radiation unit and antenna Download PDFInfo
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- CN103618149A CN103618149A CN201310638477.8A CN201310638477A CN103618149A CN 103618149 A CN103618149 A CN 103618149A CN 201310638477 A CN201310638477 A CN 201310638477A CN 103618149 A CN103618149 A CN 103618149A
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Abstract
The invention discloses a double-polarized radiation unit and an antenna. The double-polarized radiation unit comprises two pairs of radiation bodies arranged in a mutually orthogonal mode, a base installed on lower portions of the radiation bodies and a metal baffle board installed on the lower portion of the base. Each radiation body is sequentially provided with at least three dipoles from the center to an outer circle, each dipole comprises two corresponding half-dipoles, and the half-dipole on the outermost side and an adjacent polarized half-dipole form a closed electromagnetic loop. The base comprises two pairs of metal cavities which are mutually orthogonal, the bottoms of the metal cavities are connected, the tops of the metal cavities are supported against the radiation bodies, the bottoms of the metal cavities are connected to the metal baffle board, stimulation pieces penetrate through the adjacent metal cavities, one end of each stimulation piece is fixed to the corresponding radiation body, the other end of each stimulation piece is connected to a feed cable on the base, and a balun circuit is formed. The double-polarized radiation unit is compact in structure, large in bandwidth, excellent in radiation index and firm and durable in structure, and the antenna is small in size and good in production consistency.
Description
Technical field
The present invention relates to moving communicating field, be specifically related to a kind of dual-polarization radiating unit and antenna.
Background technology
In cell mobile communication systems, antenna is communicating equipment circuit signal and the electromagnetic transducer of space radiation, be the bridgehead of spacing wireless communication, so antenna for base station is the important component part of mobile communication system, its characteristic directly affects the overall performance of whole wireless network.Rare along with site resource, makes antenna for base station will be applicable to various environment place; Because people are more and more higher to the attention degree of vision and electromagnetic pollution, the efficient broadband of current antenna for base station and miniaturization are become than indispensable means.
China Patent No. is 201110064693.7 a kind of wideband dual polarized directional radiation unit, its radiation theory half-wave a period of time based on conventional, China Patent No. is 201220546859.9 a kind of low section radiating element and miniaturization dual polarized antenna, radiating element described in both is based on half-wave dipole above, the radiation index of half-wave dipole is as gain, cross polarization discrimination, sector power ratio index is generally not good.
Summary of the invention
Goal of the invention: the object of the invention is to solve the deficiencies in the prior art, a kind of efficient broadband dual-polarization radiating unit and miniature antenna are provided, the integrated die casting of radiant body is made, easy for installation, the antenna simultaneously forming based on radiating element has good radiation characteristic, and the volume of antenna is little.
Technical scheme: a kind of dual-polarization radiating unit of the present invention, comprise two pairs of mutually orthogonal placements radiant body, be installed on the base of radiant body below and be installed on the metallic reflection plate of base below, described radiant body is provided with at least 3 dipoles successively to outer ring by center, each dipole all includes two corresponding half dipoles, and outermost half dipole and adjacent polarization half dipole form closed electromagnetic loop; Described base comprises two pairs of metallic cavity mutually orthogonal and bottom is connected, the top braces of metallic cavity is in radiant body, the bottom of metallic cavity is connected in metallic reflection plate, in one group of adjacent metallic cavity, all penetrated excitation sheet, radiant body is fixed on by medium circle in one end of excitation sheet, and the other end of excitation sheet is connected in the feeder cable on base and forms balun circuit.
Wherein, a plurality of dipoles in the present invention can produce a plurality of adjacent resonance band, and then effectively expand radiating element bandwidth.
Further, described radiant body is provided with three dipoles successively to outer ring by center, it is respectively the first dipole, the second dipole and the 3rd dipole, described the first dipole comprises two the first half dipoles, the second dipole comprises two the second half dipoles, the 3rd dipole comprises two the 3rd half dipoles, the half dipole sense of current of same radiant body is distinguished in horizontal direction and vertical direction, and the 3rd half dipole of the adjacent polarization by the 3rd half dipole and another one radiant body is connected to form four closed electromagnetic loops, and the electromotive force of junction is zero, effectively promote radiating element polarization purity, isolation and radiation efficiency.
Further, described radiant body forms multilayer regular polygon besieged city formula structure from inside to outside.
Further, described radiant body bottom is provided with 8 loaded segment that extend to base, described loaded segment integrated die cast respectively and between base and radiant body; Between every adjacent two radiant body peripheries, be provided with the medium fastener of being made by insulating material, by increasing medium fastener, make all radiant bodies form an integral body, to promote the mechanical resistance pinking of radiating element.
Further, the broad gap such as between described radiant body, be reserved with, this gap is less than four gaps between metallic cavity, and metallic cavity and radiant body contour, the whole " protruding " word shape that forms of each metallic cavity and each radiant body.
Further, the connected mode of described excitation sheet and metallic cavity and cable inner conductor is welding, and the connected mode of described base and cable outer conductor is welding, and sound construction is not fragile, in described metallic cavity, be provided with medium circle, excitation sheet is fixed in metallic cavity through medium circle.
Further, the width of described metallic reflection plate is 0.65～0.75 centre frequency wavelength, distance between described radiant body and metallic reflection plate is 0.2～0.3 centre frequency wavelength, and the radiating aperture of described radiating element is 0.55～0.65 centre frequency wavelength.
In order effectively to reduce the contact area between radiant body and metallic reflection plate, the base pad that insulating material is made is installed between described base and metallic reflection plate, and then can promote intermodulation index, and on base pad, be reserved with and be convenient to the hole that metallic cavity is passed through.
The invention also discloses a kind of antenna, comprise metallic reflection plate and at least one dual-polarization radiating unit, described radiating element is installed on metallic reflection plate with regular arrangement mode, and the distance between the upper surface of radiant body and metallic reflection plate is 0.2～0.3 centre frequency wavelength, the width of described metallic reflection plate is 0.65～0.75 centre frequency wavelength.
Beneficial effect: the present invention compared with prior art has the following advantages:
(1) the present invention is provided with a plurality of dipoles, thereby produces a plurality of adjacent resonance band, effectively broadening antenna radiation unit bandwidth.
(2) loaded segment in the present invention promotes the impedance bandwidth of radiating element to a great extent, and strengthens being rigidly connected of base and radiant body, promotes the mechanical resistance pinking of radiating element and the consistency of production.
(3) in the present invention, adjacent two the 3rd half dipoles are connected and junction electromotive force is zero, effectively promote radiating element polarization purity, isolation and penetrate efficiency, can on undersized metallic reflection plate, obtain high target, finally can realize the miniaturization of antenna.
(4) the medium fastener in the present invention adopts insulating material to make, as: the easy-formation materials such as POM, PP, structurally, can promote the reliability of dual-polarization radiating unit, in electric index, increase endways medium, changed the electrical length of dual-polarization radiating unit, and then promoted the indexs such as isolation.
(5) the base pad in the present invention is made by insulating material (as easy-formation materials such as POM, PP), effectively reduces the contact area of dual-polarization radiating unit and metal base plate, effectively promotes the consistency of intermodulation index and electrical performance indexes.
In sum, the dual-polarization radiating unit compact conformation in the present invention, bandwidth is larger, and radiation index is excellent, and sound construction is durable, and in the present invention, antenna volume minor structure is simple, and conformity of production is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of dual-polarization radiating unit in the present invention;
Fig. 2 is the decomposing schematic representation of dual-polarization radiating unit in the present invention;
Fig. 3 is the front schematic view of the radiant body in the present invention;
Fig. 4 is the schematic rear view of the radiant body in the present invention;
Fig. 5 is the present invention and coaxial cable welding schematic diagram;
Fig. 6 is the schematic diagram of antenna in the present invention;
Fig. 7 is the schematic diagram of medium fastener of the present invention;
Fig. 8 is the schematic diagram of base pad in the present invention.
Embodiment
Below technical solution of the present invention is elaborated in conjunction with the accompanying drawings and embodiments.
A kind of dual-polarization radiating unit of the present invention, comprise two pairs of mutually orthogonal placements radiant body 1, be installed on the base 6 of radiant body 1 below and be installed on the metallic reflection plate 13 of base 6 belows, radiant body 1 is provided with at least 3 dipoles successively to outer ring by center, each dipole all includes two corresponding half dipoles, and outermost half dipole and adjacent polarization half dipole form closed electromagnetic loop; Base 6 comprises two pairs of metallic cavity mutually orthogonal and bottom is connected, the top braces of metallic cavity is in radiant body 1, the bottom of metallic cavity is connected in metallic reflection plate 13, in one group of adjacent metallic cavity, all penetrated excitation sheet 7, radiant body 1 is fixed in one end of excitation sheet 7, the other end of excitation sheet 7 is connected in the cable inner conductor 11 on base 6, and cable inner conductor 11 is connected with the cable outer conductor 12 of base 6 belows and forms balun circuit 2.
In the present embodiment, radiant body 1 is provided with three dipoles successively to outer ring by center, respectively the first dipole 3, the second dipole 4 and the 3rd dipole 5, the first dipole 3 comprises two the first half dipoles, the second dipole 4 comprises two the second half dipoles, the 3rd dipole 5 comprises two the 3rd half dipoles, respectively in horizontal direction and vertical direction, and the 3rd half dipole of the adjacent polarization by the 3rd half dipole and another one radiant body 1 is connected to form four closed electromagnetic loops for the half dipole sense of current of same radiant body 1.
Radiant body 1 bottom is provided with 8 loaded segment 8 that extend to base 6, loaded segment 8 integrated die cast respectively and between base 6 and radiant body 1; Between every adjacent two radiant body 1 peripheries, be provided with the medium fastener 10 of being made by insulating material.
The broad gap such as between radiant body 1, be reserved with, this gap is less than four gaps between metallic cavity, and metallic cavity and radiant body 1 contour, the whole " protruding " word shape that forms of each metallic cavity and each radiant body 1.
Excitation sheet 7 is welding with the connected mode of metallic cavity and cable inner conductor 11, and base 6 for welding, is provided with medium circle 14 with the connected mode of cable outer conductor 12 in metallic cavity, and excitation sheet 7 is fixed in metallic cavity through medium circle 14.
The width of metallic reflection plate 13 is 0.65～0.75 centre frequency wavelength, and the distance between radiant body 1 and metallic reflection plate 13 is 0.2～0.3 centre frequency wavelength, and the radiating aperture of radiating element is 0.55～0.65 centre frequency wavelength.
The base pad 9 that insulating material is made is installed between base 6 and metallic reflection plate 13, on base pad 9, is reserved with and is convenient to the hole that metallic cavity is passed through.
A kind of antenna in the present invention, comprise metallic reflection plate 13 and at least one dual-polarization radiating unit, radiating element is installed on metallic reflection plate 13 with regular arrangement mode, and the distance between the upper surface of radiant body 1 and metallic reflection plate 13 is 0.2～0.3 centre frequency wavelength, the width of metallic reflection plate 13 is 0.65～0.75 centre frequency wavelength.
As mentioned above, although represented and explained the present invention with reference to specific preferred embodiment, it shall not be construed as the restriction to the present invention self.Not departing under the spirit and scope of the present invention prerequisite of claims definition, can make in the form and details various variations to it.
Claims (9)
1. a dual-polarization radiating unit, it is characterized in that: comprise two pairs of mutually orthogonal placements radiant body, be installed on the base of radiant body below and be installed on the metallic reflection plate of base below, described radiant body is provided with at least 3 dipoles successively to outer ring by center, each dipole all includes two corresponding half dipoles, and outermost half dipole and adjacent polarization half dipole form closed electromagnetic loop; Described base comprises two pairs of metallic cavity mutually orthogonal and bottom is connected, the top braces of metallic cavity is in radiant body, the bottom of metallic cavity is connected in metallic reflection plate, in one group of adjacent metallic cavity, all penetrated excitation sheet, radiant body is fixed in one end of excitation sheet, the other end of excitation sheet is connected in the feeder cable inner wire on base, and the feeder cable outer conductor below feeder cable inner wire and base is connected and forms balun circuit.
2. dual-polarization radiating unit according to claim 1, it is characterized in that: described radiant body is provided with three dipoles successively to outer ring by center, it is respectively the first dipole, the second dipole and the 3rd dipole, described the first dipole comprises two the first half dipoles, the second dipole comprises two the second half dipoles, the 3rd dipole comprises two the 3rd half dipoles, the half dipole sense of current of same radiant body is distinguished in horizontal direction and vertical direction, and the 3rd half dipole of the adjacent polarization by the 3rd half dipole and another one radiant body is connected to form four closed electromagnetic loops.
3. dual-polarization radiating unit according to claim 1 and 2, is characterized in that: described radiant body forms multilayer regular polygon besieged city formula structure from inside to outside.
4. dual-polarization radiating unit according to claim 1, is characterized in that: described radiant body bottom is provided with 8 loaded segment that extend to base, described loaded segment integrated die cast respectively and between base and radiant body; Between every adjacent two radiant body peripheries, be provided with the medium fastener of being made by insulating material.
5. dual-polarization radiating unit according to claim 4, it is characterized in that: the broad gap such as between described radiant body, be reserved with, this gap is less than four gaps between metallic cavity, and metallic cavity and radiant body contour, the whole " protruding " word shape that forms of each metallic cavity and each radiant body.
6. dual-polarization radiating unit according to claim 1, it is characterized in that: the connected mode of described excitation sheet and metallic cavity and cable inner conductor is welding, the connected mode of described base and cable outer conductor is welding, in described metallic cavity, be provided with medium circle, excitation sheet is fixed in metallic cavity through medium circle.
7. according to the dual-polarization radiating unit described in claim 1 any one, it is characterized in that: the width of described metallic reflection plate is 0.65～0.75 centre frequency wavelength, distance between described radiant body and metallic reflection plate is 0.2～0.3 centre frequency wavelength, and the radiating aperture of described radiating element is 0.55～0.65 centre frequency wavelength.
8. dual-polarization radiating unit according to claim 1, is characterized in that: the base pad that insulating material is made is installed between described base and metallic reflection plate, is reserved with and is convenient to the hole that metallic cavity is passed through on base pad.
9. an antenna, it is characterized in that: comprise metallic reflection plate and at least one dual-polarization radiating unit as described in claim 1～8, dual-polarization radiating unit is installed on metallic reflection plate with regular arrangement mode, and the distance between the upper surface of radiant body and metallic reflection plate is 0.2～0.3 centre frequency wavelength, the width of metallic reflection plate is 0.65～0.75 centre frequency wavelength.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310638477.8A CN103618149A (en) | 2013-12-02 | 2013-12-02 | Double-polarized radiation unit and antenna |
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| CN201310638477.8A CN103618149A (en) | 2013-12-02 | 2013-12-02 | Double-polarized radiation unit and antenna |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018188012A1 (en) * | 2017-04-13 | 2018-10-18 | 华为技术有限公司 | Multi-frequency array antenna |
| CN109980329A (en) * | 2019-03-12 | 2019-07-05 | 广东司南通信科技有限公司 | A kind of broadband dual polarized antenna |
| WO2020199334A1 (en) * | 2019-03-29 | 2020-10-08 | 摩比科技（深圳）有限公司 | Dual polarized radiating unit and base station antenna |
| EP3968458A4 (en) * | 2019-05-16 | 2022-07-20 | Comba Telecom Technology (Guangzhou) Limited | Radiating structure and array antenna |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676432Y (en) * | 2004-01-08 | 2005-02-02 | 广州杰赛科技股份有限公司 | A radiating element applied on dual polarization base station antenna |
| CN201584504U (en) * | 2009-12-21 | 2010-09-15 | 南京恩瑞特实业有限公司 | WIMAX broadband dual-polarized antenna unit |
| CN102117961A (en) * | 2011-03-17 | 2011-07-06 | 广东通宇通讯股份有限公司 | Wideband dual polarization directional radiation unit and antenna |
| CN202076403U (en) * | 2011-05-16 | 2011-12-14 | 摩比天线技术（深圳）有限公司 | Double-frequency dual-polarization antenna oscillator of loading filter |
| CN202178382U (en) * | 2011-08-23 | 2012-03-28 | 武汉虹信通信技术有限责任公司 | Wide-frequency bipolarization low-isolation die-casting radiating unit |
| CN202352830U (en) * | 2011-12-19 | 2012-07-25 | 普宁市源丰电器有限公司 | Dual-polarized oscillator |
| CN203644952U (en) * | 2013-12-02 | 2014-06-11 | 江苏捷士通射频系统有限公司 | Dual polarization radiation unit and antenna |
-
2013
- 2013-12-02 CN CN201310638477.8A patent/CN103618149A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676432Y (en) * | 2004-01-08 | 2005-02-02 | 广州杰赛科技股份有限公司 | A radiating element applied on dual polarization base station antenna |
| CN201584504U (en) * | 2009-12-21 | 2010-09-15 | 南京恩瑞特实业有限公司 | WIMAX broadband dual-polarized antenna unit |
| CN102117961A (en) * | 2011-03-17 | 2011-07-06 | 广东通宇通讯股份有限公司 | Wideband dual polarization directional radiation unit and antenna |
| CN202076403U (en) * | 2011-05-16 | 2011-12-14 | 摩比天线技术（深圳）有限公司 | Double-frequency dual-polarization antenna oscillator of loading filter |
| CN202178382U (en) * | 2011-08-23 | 2012-03-28 | 武汉虹信通信技术有限责任公司 | Wide-frequency bipolarization low-isolation die-casting radiating unit |
| CN202352830U (en) * | 2011-12-19 | 2012-07-25 | 普宁市源丰电器有限公司 | Dual-polarized oscillator |
| CN203644952U (en) * | 2013-12-02 | 2014-06-11 | 江苏捷士通射频系统有限公司 | Dual polarization radiation unit and antenna |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018188012A1 (en) * | 2017-04-13 | 2018-10-18 | 华为技术有限公司 | Multi-frequency array antenna |
| CN109980329A (en) * | 2019-03-12 | 2019-07-05 | 广东司南通信科技有限公司 | A kind of broadband dual polarized antenna |
| CN109980329B (en) * | 2019-03-12 | 2023-12-26 | 广州司南技术有限公司 | Broadband dual polarized antenna |
| WO2020199334A1 (en) * | 2019-03-29 | 2020-10-08 | 摩比科技（深圳）有限公司 | Dual polarized radiating unit and base station antenna |
| EP3968458A4 (en) * | 2019-05-16 | 2022-07-20 | Comba Telecom Technology (Guangzhou) Limited | Radiating structure and array antenna |
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Application publication date: 20140305 |