CN204424435U - A kind of ultra-wideband Bipolarization antenna for base station radiating element - Google Patents
A kind of ultra-wideband Bipolarization antenna for base station radiating element Download PDFInfo
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- CN204424435U CN204424435U CN201520183348.9U CN201520183348U CN204424435U CN 204424435 U CN204424435 U CN 204424435U CN 201520183348 U CN201520183348 U CN 201520183348U CN 204424435 U CN204424435 U CN 204424435U
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Abstract
The utility model provides a kind of ultra-wideband Bipolarization antenna for base station radiating element, comprises reflecting plate, radiating element, feed-through, dieelctric sheet, supporting seat; Radiating element forms relative to the heart-shaped half-wave dipole arm of the centrosymmetric hollow out of radiating element by two, has a metal connector in the middle of the heart-shaped radiation arm of each hollow out; The feed-through fixed by dieelctric sheet forms feed matching device jointly through the supporting seat connecting radiating surface and fixed feet; The utility model has the advantage of high impedance bandwidth, high-isolation and high cross polarization ratio, and its structure is simple, is easy to install.
Description
Technical field
The utility model belongs to communication base station antenna technical field, particularly a kind of ultra-wideband Bipolarization antenna for base station radiating element.
Background technology
Along with the fast development of mobile communication technology, more and more higher to the requirement of antenna of mobile communication base station.Market proposes huge demand to broadband communications antenna for base station, requires the compatible communication standard as much as possible of antenna for base station.The operating frequency of DCS Digital Cellular System is the communication frequency of 1710-1880MHz, PCS personal communication service 1850-1990MHz, UMTS universal mobile telecommunications system is 1920-2170MHz.The operating frequency of LTE Long Term Evolution is 2500-2690MHz.In order to solve astronomical cycle addressing difficulty, the system antenna of different systems realizes coenosarc or the difficult problem such as to share, and the most effective existing settling mode takes into account above-mentioned communication standard exactly, the ultra-wideband antenna for base station of demand fulfillment from 1710 MHz to 2690 MHz.
Antenna for base station is as one of the network element of wireless network, and the development of its form to meet the demand of wireless network development and evolution, is the critical component of mobile communication system outdoor cover, has boundless application prospect always.The quality of every electric property of antenna for base station directly affects coverage and the communication quality of mobile communication system, so operator proposes very high requirement to existing antenna for base station, heteropolar more than insulated degree requirement 30dB, front and back are than more than 25dB, axial cross polarization ratio is at more than 20dB, and positive and negative 60 degree of friendship ultimate ratios also will at more than 10dB.And perfect along with communication system, these requirements also can become more and more higher.
Above-mentioned electric requirement is for the not so difficult realization of antenna for base station of arrowband, but for being operated in the antenna for base station of 1710-2690MHz, owing to cannot ensure that the electric current on the radiation arm of dual-polarization radiating unit all keeps balance in so wide frequency, therefore all indexs meeting operator's proposition are ensured very much, especially positive and negative 60 degree of cross polarization ratios.In prior art, the standing wave of oscillator is poised for battle in general dual polarization or isolation is all not so good, more can not ensure the index handing over ultimate ratio.
Utility model content
For background technology Problems existing, improve the shortcoming of prior art, to reach good electrical characteristic and the object of wide-band, the utility model provides a kind of ultra-wideband Bipolarization antenna for base station radiating element.
The utility model adopts following technical scheme:
A kind of ultra-wideband Bipolarization antenna for base station radiating element, antenna is formed for being arranged on reflecting plate, it is characterized in that: comprise 2 feed-throughs and be fixed on 4 strutting pieces on described reflecting plate, described each strutting piece upper end is provided with radiant body, the bascule of hollow out is provided with in described radiant body, described bascule is provided with feed brace table, 2 described feed-throughs are positioned at bascule, upper end forms one group in mutually orthogonal half-wave dipole respectively by mounting medium block, lower end is respectively through mounting medium block, coaxial line is connected after reflecting plate, by cable to half-wave dipole feed, described medium block is fastened in bascule, and described half-wave dipole is welded on feed brace table.
Preferably, described reflecting plate behind feed-through passes position and is provided with 2 fixed feet, and described fixed feet is provided with the holddown groove of fixing coaxial line.
Preferably, described strutting piece and radiant body integrated molding.
Preferably, described irradiator surface is heart-shaped, and mid portion is by hollow out, and each heart-shaped middle by a metal connector connection, end is connected with supporting seat, and form an overall structure, whole radiating surface in one plane; Spacing between each radiant body is the same with shape, is the entirety be centrosymmetric completely.
Preferably, the distance of described radiant body and described reflecting plate is 0.2-0.3 center frequency wavelength,
Preferably, the bottom level of described strutting piece is also provided with the plastic medium being lined with insulation in the middle of screw hole and reflecting plate, is screwed.
Preferably, described radiating element arrangement group battle array or with other low-frequency vibrator nested groups battle arrays.
Compared with prior art, the surface emissivity body of above-mentioned ultra-wideband radiating element be provided with two parts radiating surface form and the feed structure of bending by bascule direct feed, effectively solve a difficult problem for the bandwidth sum isolation of radiating element, group battle array after can by different parasitic element effectively solve occur simultaneously than and problem.And whole radiative unit structure is simple, effectively reduces manufacturing cost, and be easy to install and fix.
Accompanying drawing explanation
Fig. 1 is the front perspective view that the utility model first embodiment adds reflecting plate;
Fig. 2 is the front perspective view of the utility model first embodiment;
Fig. 3 is the back side perspective view of the utility model first embodiment;
Fig. 4 be the utility model first embodiment face structural representation;
Fig. 5 is the side-looking structural representation of the utility model first embodiment;
Fig. 6 be the utility model second embodiment face structural representation;
Fig. 7 be the utility model the 3rd embodiment face structural representation;
Fig. 8 is the cut-away view of the feeder equipment of the utility model first embodiment;
In figure: 1-reflecting plate; 2-radiant body; 3-metal connector; 4-supporting component; 5-feed-through; 6-feed brace table; 7-close bascule; The heart of 8-hollow out; Medium 10-the fixed feet of 9-fixing feed-through; 11-fixing hole, 12-coaxial line, 13-half-wave dipole; 14-holddown groove.
Embodiment
Below in conjunction with listed accompanying drawing and concrete way of example, the utility model is described in further detail.
First embodiment: as Fig. 1, a kind of ultra-wideband Bipolarization antenna for base station radiating element, antenna is formed for being arranged on reflecting plate, it is characterized in that: 4 strutting pieces 4 comprising 2 feed-throughs 5 and be fixed on described reflecting plate 1, described each strutting piece 4 upper end is provided with radiant body 2, as Fig. 2, the bascule 7 of hollow out is provided with in described radiant body 2, described bascule 7 is provided with feed brace table 6, as Fig. 8, 2 described feed-throughs 5 are positioned at bascule 7, upper end forms one group in mutually orthogonal half-wave dipole 13 respectively by mounting medium block 9, as Fig. 3, lower end is respectively through mounting medium block 9, coaxial line 12 is connected after reflecting plate 1, by cable to half-wave dipole 13 feed, described medium block 9 is fastened in bascule 7, and described half-wave dipole 13 is welded on feed brace table 6.
Described reflecting plate 1 behind feed-through 5 passes position and is provided with 2 fixed feet 10, and described fixed feet 10 is provided with the holddown groove 14 of fixing coaxial line 12.
As Fig. 5, described strutting piece 4 and radiant body 2 integrated molding.This integral structure makes described heart-shaped ultra-wideband Bipolarization antenna for base station radiating element have very high mechanical strength, and is easy to install and fix.
As Fig. 4, described radiant body 2 surface is heart-shaped, and mid portion is by hollow out, and each heart-shaped middle by a metal connector connection, end is connected with supporting seat, and form an overall structure, whole radiating surface in one plane; Spacing between each radiant body 2 is the same with shape, is the entirety be centrosymmetric completely.
Described radiant body 2 is 0.2-0.3 center frequency wavelength with the distance of described reflecting plate,
The bottom level of described strutting piece 4 is also provided with the plastic medium being lined with insulation in the middle of screw hole 11 and reflecting plate 1, is screwed.
Described radiating element arrangement group battle array or with other low-frequency vibrator nested groups battle arrays.
Coaxial line 12 by cable to half-wave dipole 13 feed; Lead weld metal conductor by interior, lead outward and be welded on above holddown groove 14.Two feed-throughs 5 are metalworks that not contour two shapes are identical, and the height of feed brace table 6 is just consistent with the height of feed-through 5, and be also two not contour platforms, width is just consistent with the width of half-wave dipole 13, is highly susceptible to welding.Holddown groove 14 through reflecting plate 1 is contour, is convenient to the layout of feeding network and structure.
Described radiant body the center position of end-to-end distance radiant body be 0.2-0.3 center frequency wavelength.The height of described radiant body distance reflecting plate is general also at 0.2-0.3 center frequency wavelength.Effectively raise the forward radiation intensity of radiant body, thus improve the front and back ratio of described heart-shaped ultra-wideband radiating element.
Fig. 6 and Fig. 7 is of the present utility model second and the 3rd example structure schematic diagram, as shown in Figure 6, at the metal connector center drilling of irradiator surface.As shown in Figure 7, removed by metal connector, these two kinds of embodiments have respective pluses and minuses, can be used for those skilled in the art's reference.
The utility model can make in 1710-2690MHz frequency range horizontal plane beamwidth be converged in ± 5 ° within, the isolation of three oscillators is more than-28db, obviously be better than the radiating element of other kinds, organize the front and back ratio of the antenna after battle array, isolation and cross polarization to have greatly improved than all, and be conducive to processing and assembling.
Above content is the further detailed description done the utility model in conjunction with concrete execution mode, can not assert that concrete enforcement of the present utility model is confined to these explanations.It is apparent to those skilled in the art that and do not departing within spirit of the present utility model and principle that the simple amendment make the utility model and replacement all should be considered as belonging to protection range of the present utility model.
Claims (7)
1. a ultra-wideband Bipolarization antenna for base station radiating element, antenna is formed for being arranged on reflecting plate, it is characterized in that: comprise 2 feed-throughs (5) and be fixed on 4 strutting pieces (4) on described reflecting plate (1), described each strutting piece (4) upper end is provided with radiant body (2), the bascule (7) of hollow out is provided with in described radiant body (2), described bascule (7) is provided with feed brace table (6), 2 described feed-throughs (5) are positioned at bascule (7), upper end forms one group in mutually orthogonal half-wave dipole (13) respectively by mounting medium block (9), lower end is respectively through mounting medium block (9), reflecting plate (1) connects coaxial line (12) afterwards, by cable to half-wave dipole (13) feed, described medium block (9) is fastened in bascule (7), and described half-wave dipole (13) is welded on feed brace table (6).
2. a kind of ultra-wideband Bipolarization antenna for base station radiating element according to claim 1, it is characterized in that: described reflecting plate (1) behind feed-through (5) passes position and is provided with 2 fixed feet (10), and described fixed feet (10) is provided with the holddown groove (14) of fixing coaxial line (12).
3. a kind of ultra-wideband Bipolarization antenna for base station radiating element according to claim 1, is characterized in that: described strutting piece (4) and radiant body (2) integrated molding.
4. a kind of ultra-wideband Bipolarization antenna for base station radiating element according to claim 1, it is characterized in that: described radiant body (2) surface is for heart-shaped, mid portion is by hollow out, each heart-shaped middle by a metal connector connection, end is connected with supporting seat, form an overall structure, whole radiating surface in one plane; Spacing between each radiant body (2) is the same with shape, is the entirety be centrosymmetric completely.
5. a kind of ultra-wideband Bipolarization antenna for base station radiating element as claimed in claim 1, is characterized in that: described radiant body (2) is 0.2-0.3 center frequency wavelength with the distance of described reflecting plate.
6. a kind of ultra-wideband Bipolarization antenna for base station radiating element as claimed in claim 3, is characterized in that: the bottom level of described strutting piece (4) is also provided with the plastic medium being lined with insulation in the middle of screw hole (11) and reflecting plate (1), is screwed.
7., as the ultra-wideband Bipolarization antenna for base station radiating element of claim 1 to 6 as described in any one, it is characterized in that: described radiating element arrangement group battle array or with other low-frequency vibrator nested groups battle arrays.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520183348.9U CN204424435U (en) | 2015-03-30 | 2015-03-30 | A kind of ultra-wideband Bipolarization antenna for base station radiating element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520183348.9U CN204424435U (en) | 2015-03-30 | 2015-03-30 | A kind of ultra-wideband Bipolarization antenna for base station radiating element |
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| CN204424435U true CN204424435U (en) | 2015-06-24 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450708A (en) * | 2016-12-21 | 2017-02-22 | 武汉虹信通信技术有限责任公司 | Radiating unit for double-band nested base station antenna |
| CN106654542A (en) * | 2017-03-14 | 2017-05-10 | 武汉虹信通信技术有限责任公司 | Miniature ultra wideband base station antenna unit and antenna array |
| CN108539396A (en) * | 2018-05-04 | 2018-09-14 | 广东司南通信科技有限公司 | A kind of broadband novel oscillator |
| CN108539397A (en) * | 2018-05-04 | 2018-09-14 | 广东司南通信科技有限公司 | A kind of improved oscillator of feeding classification and antenna |
| CN109066051A (en) * | 2018-09-13 | 2018-12-21 | 广东通宇通讯股份有限公司 | Super-wide band high-gain dual polarization full-wave dipole antenna |
| CN110048211A (en) * | 2019-04-15 | 2019-07-23 | 深圳市信维通信股份有限公司 | Wideband multi-resonant 5G antenna system and base station |
| CN111193099A (en) * | 2020-02-20 | 2020-05-22 | 深圳国人科技股份有限公司 | Dual-polarized radiation unit and base station antenna |
-
2015
- 2015-03-30 CN CN201520183348.9U patent/CN204424435U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450708A (en) * | 2016-12-21 | 2017-02-22 | 武汉虹信通信技术有限责任公司 | Radiating unit for double-band nested base station antenna |
| CN106654542A (en) * | 2017-03-14 | 2017-05-10 | 武汉虹信通信技术有限责任公司 | Miniature ultra wideband base station antenna unit and antenna array |
| CN108539396A (en) * | 2018-05-04 | 2018-09-14 | 广东司南通信科技有限公司 | A kind of broadband novel oscillator |
| CN108539397A (en) * | 2018-05-04 | 2018-09-14 | 广东司南通信科技有限公司 | A kind of improved oscillator of feeding classification and antenna |
| CN108539397B (en) * | 2018-05-04 | 2024-04-12 | 广州司南技术有限公司 | Vibrator and antenna with improved feeding mode |
| CN108539396B (en) * | 2018-05-04 | 2024-04-26 | 广州司南技术有限公司 | Novel broadband vibrator |
| CN109066051A (en) * | 2018-09-13 | 2018-12-21 | 广东通宇通讯股份有限公司 | Super-wide band high-gain dual polarization full-wave dipole antenna |
| CN109066051B (en) * | 2018-09-13 | 2024-02-20 | 广东通宇通讯股份有限公司 | Ultra-wideband high-gain dual-polarized full-wave oscillator antenna |
| CN110048211A (en) * | 2019-04-15 | 2019-07-23 | 深圳市信维通信股份有限公司 | Wideband multi-resonant 5G antenna system and base station |
| CN110048211B (en) * | 2019-04-15 | 2024-03-19 | 深圳市信维通信股份有限公司 | Broadband multi-resonance 5G antenna system and base station |
| CN111193099A (en) * | 2020-02-20 | 2020-05-22 | 深圳国人科技股份有限公司 | Dual-polarized radiation unit and base station antenna |
| CN111193099B (en) * | 2020-02-20 | 2021-01-12 | 深圳国人科技股份有限公司 | Dual-polarized radiation unit and base station antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 430205 Hubei city of Wuhan province Jiangxia Hidden Dragon Island Tan lake two Road No. 1 Patentee after: CITIC Mobile Communication Technology Co., Ltd Address before: 430073 Hubei province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5 Patentee before: Wuhan Hongxin Telecommunication Technologies Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee after: CITIC Mobile Communication Technology Co.,Ltd. Address before: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee before: CITIC Mobile Communication Technology Co., Ltd |
|
| CP01 | Change in the name or title of a patent holder |