CN203013922U - Ultra-wideband dual polarization base station antenna radiation unit - Google Patents
Ultra-wideband dual polarization base station antenna radiation unit Download PDFInfo
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- CN203013922U CN203013922U CN 201220661202 CN201220661202U CN203013922U CN 203013922 U CN203013922 U CN 203013922U CN 201220661202 CN201220661202 CN 201220661202 CN 201220661202 U CN201220661202 U CN 201220661202U CN 203013922 U CN203013922 U CN 203013922U
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- radiating element
- base station
- feed tab
- radiation unit
- dual polarization
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- 230000009977 dual effect Effects 0.000 title claims abstract description 27
- 230000010287 polarization Effects 0.000 title claims abstract description 27
- 230000005855 radiation Effects 0.000 title abstract description 15
- 230000004308 accommodation Effects 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 238000002955 isolation Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 abstract description 6
- 238000010168 coupling process Methods 0.000 abstract description 6
- 238000005859 coupling reaction Methods 0.000 abstract description 6
- 238000005388 cross polarization Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses an ultra-wideband dual polarization base station antenna radiation unit. The ultra-wideband dual polarization base station antenna radiation unit comprises a main radiation unit body and a feed sheet assembly, wherein the main radiation unit body comprises radiation unit arms and a radiation unit balun connected with the radiation unit arms, the radiation unit balun is provided with an accommodation space used for accommodating the feed sheet assembly, the feed sheet assembly comprises a first feed sheet and a second feed sheet, the first feed sheet is in crossed insulation arrangement with the second feed sheet, and the first feed sheet and the second feed sheet are insulated with the main radiation unit body. The ultra-wideband dual polarization base station antenna radiation unit realizes feed in a coupling mode through the two feed sheets, can greatly improve band width of impedance match of the radiation unit, improves frequency band width of the radiation unit while strength of the radiation unit is improved, and substantially improves a standing-wave ratio, a front-to-back ratio and a cross polarization ratio in a whole frequency band.
Description
Technical field
The utility model relates to the antenna for base station in field of wireless communication, more specifically, is a kind of super band dual polarization antenna for base station radiating element.
Background technology
Mobile communication system plays a part very important in realizing people's communication requirement, and antenna for base station is that mobile communication system realizes the requisite key equipment of radio communication.Common wide frequency antenna is mainly 1710-2170MHz, 2300-2700MHz, 2500-2690MHz etc. at present.Along with the development of mobile communication system, market is more and more urgent to the demand of the 1710-2690MHz ultrabroad band antenna for base station of containing above-mentioned all frequency ranges.In addition, communication system is also more and more higher to the requirement of the index of antenna for base station such as standing-wave ratio, isolation, lobe width, front and back ratio, cross polarization ratio, intermodulation etc.But up to 44.6%, high to the performance requirement of radiating element, the difficulty that realizes on indices is very large, so there be limited evidence currently of has the antenna for base station that can satisfy all These parameters due to the relative bandwidth of 1710-2690MHz.
In a prior art, the feed of dipole is presented by coaxial cable, and cable outer conductor is welded on the dead slot of a radiating element arm, and inner wire is welded on the groove position of another arm to apex portion.In addition, also by use alternate arm between place the performance that traditional insulation isolator further improves dipole.
This technology is directly carried out feed to radiating element by coaxial cable, and cable outer conductor and radiating element arm dead slot weld together, and bonding area is very large, and very high to welding process requirement, welding cost is higher, and is easy to failure welding and severe exacerbation intermodulation index.And use cable direct feed, the impedance matching of radiating element to be merely able to the mode such as use radiating element shape and carry out, can only mate in narrower frequency range.This technology also alternate arm between place the performance that traditional insulation isolator further improves radiating element.In fact the radiating element arm of this utilization is very thin, and insufficient strength is so must adopt the attachment device of insulation isolator to improve its intensity.Even used this insulation isolator, can only guarantee that also the gap size in the middle of the radiating element arm is constant, the head portion intensity of radiating element arm is still relatively poor, be easy to the slight touching in assembling process and be out of shape, so strengthened assembly difficulty and cost, and may cause comprehensive decline of antenna index.
In another part prior art, for reducing the energy leakage of reflecting plate back side pcb board, it is above the transmission device of the reflecting plate back side and increased shielded backplane between radome, with ratio before and after improving.
This utilization shielded backplane with ratio before and after improving.This is that front and back are better not than index because this radiating element only depends under the condition of the conventional structures such as reflecting plate.And for before and after improving than and use shielded backplane, increased complexity and the cost of antenna, reduced the stability that antenna performance has particularly reduced intermodulation.
The utility model content
The purpose of this utility model is to solve existing antenna for base station radiating element existing above-mentioned limitation and defective in application, thereby a kind of novel super band dual polarization antenna for base station radiating element is provided.
Super band dual polarization antenna for base station radiating element of the present invention comprises radiating element main body and feed tab assembly, wherein:
This radiating element main body comprises radiating element arm and the radiating element Ba Lun that is connected with this radiating element arm, and this radiating element Ba Lun is provided with the accommodation space for accommodating this feed tab assembly;
This feed tab assembly comprises the first feed tab and the second feed tab, and this first feed tab and the second feed tab electrically insulated from one another ground are arranged in a crossed manner, and with this radiating element main body electric insulation.
Preferably, described accommodation space comprises the first through hole, the first containing hole, the second through hole and the second containing hole, and,
This first feed tab comprises that the first link and relative with this first link first outstandingly establishes end, and this first link is arranged in this first through hole, and this first outstanding end of establishing is placed in this first containing hole;
This second feed tab comprises that the second link and relative with this second link second outstandingly establishes end, and this second link is arranged in this second through hole, and this second outstanding end of establishing is placed in this second containing hole.
Preferably, the first link and first outstanding the second link and second of establishing end and described the second feed tab that are respectively arranged with in described the first through hole, the first containing hole, the second through hole and the second containing hole for fixing described the first feed tab hang the first fastener of establishing end.
Preferably, described the first feed tab and described the second feed tab are provided with the second fastener for the fixed position at crossover location.
Preferably, described radiating element arm is for being provided with the frame shape structure of intercell connector in it.
Preferably, described radiating element arm is the square box shape structure with fillet.
Preferably, described radiating element arm and radiating element Ba Lun are wholely set.
Preferably, the bottom of described radiating element Ba Lun is provided with the first joint and the second joint, and this first joint and described the first through hole connect, this second joint and described the second through hole connect, and this first joint is provided with the first feed groove, and this second joint is provided with the second feed groove.
Preferably, the interval location between described radiating element arm is provided with for reducing mutual even isolation clip between the radiating element arm.
Super band dual polarization antenna for base station radiating element of the present utility model, carry out feed by two feed tab in the mode of coupling, can greatly improve the bandwidth of radiating element impedance matching, and can be when improving radiating element intensity, improve the frequency bandwidth of radiating element, and significantly improve standing-wave ratio, front and back ratio and cross polarization ratio in whole frequency range.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of super band dual polarization antenna for base station radiating element of the present utility model;
Fig. 2 is the vertical view of super band dual polarization antenna for base station radiating element of the present utility model;
Fig. 3 is the perspective view of super band dual polarization antenna for base station radiating element of the present utility model;
Fig. 4 is the three-dimensional structure diagram that super band dual polarization antenna for base station radiating element of the present utility model looks over from the bottom;
Fig. 5 is a kind of application schematic diagram of super band dual polarization antenna for base station radiating element of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, structure and characteristics of the present utility model is elaborated.
As shown in Figure 1, be the perspective view of super band dual polarization antenna for base station radiating element 100 of the present utility model.By reference to the accompanying drawings, should comprise radiating element main body and feed tab assembly 130 by super band dual polarization antenna for base station radiating element 100, wherein, the radiating element main body comprises radiating element arm 110 and the radiating element Ba Lun 120 that is connected with this radiating element arm, and radiating element Ba Lun 120 is provided with the accommodation space 121 for accommodating this feed tab assembly 130.Feed tab assembly 130 comprise the first feed tab 131 and the second feed tab 132, the first feed tab 131 and the second feed tab 132 electrically insulated from one another ground arranged in a crossed manner, and with radiating element main body electric insulation.
Continuation is with reference to Fig. 1, and usually, radiating element arm 110 is four, and is symmetricly set in twos on same plane, and the length of radiating element arm 110 is set to the quarter-wave of frequency range.Especially, in the utility model, radiating element arm 110 preferably should have adequate thickness, for example between 2.5mm-6mm, to improve radiating element intensity.And in conjunction with Fig. 1,2, radiating element arm 110 is preferably the frame shape structure that is provided with intercell connector 111 in it.Intercell connector 111 is horizontally set at the center of radiating element arm, can when improving radiating element intensity, improve the frequency bandwidth of radiating element.Preferably, in execution mode of the present utility model, radiating element arm 110 is the square box shape structure with fillet 112.Certainly, easily understand, this radiating element arm 110 also can be the frame shape structure of other type, such as ellipse, triangle or irregular other shape etc.
With reference to Fig. 1,2,3, the accommodation space 121 of radiating element Ba Lun 120 comprises that the first through hole 1211, the first containing hole 1212, the second through hole 1213 and the second containing hole 1214(are with reference to Fig. 2).And, in conjunction with Fig. 2, and especially with reference to Fig. 3, the first feed tab 131 comprises the first link 1311 and first outstanding the establish end 1312 relative with the first link 1311, the first link 1311 is arranged in the first through hole 1211, and the first outstanding end 1213 of establishing is placed in the first containing hole 1212.Similar with the first feed tab 131, the second feed tab 132 comprises the second link 1321 and second outstanding the establish end 1322 relative with the second link 1321, the second link 1321 is arranged in the second through hole 1213, and the second outstanding end 1322 of establishing is placed in the second containing hole 1214.Thus, the first feed tab 131 and the second feed tab 132 are unsettled to be arranged in accommodation space 121, and the radiating element main body of namely getting along well electrically contacts, but with coupled modes, radiating element is carried out feed.The first link 1311 of the first feed tab 131 be connected the second link 1321 of feed tab 132 and be respectively used to connect external cable.
Continuation is with reference to Fig. 1,2, in a preferred implementation of the present utility model, in radiating element Ba Lun 120, be respectively arranged with in the first through hole 1211, the first containing hole 1212, the second through hole 1213 and the second containing hole 1214 be used to the first link 1311 of fixing the first feed tab 131 and the first outstanding the second link 1321 and second outstanding the first fastener 141 of establishing end 1322 of establishing end the 1312 and second feed tab 132.This plastics fastener 141 can be made by plastic material, so that the first feed tab 131 and the second feed tab 132 are connected in radiating element Ba Lun 120 reliably.And the first feed tab 131 and the second feed tab 132 are provided with the second fastener 151 for the fixed position at crossover location.The second fastener 151 can be made of plastics, it can be fixed the mutual alignment between the first feed tab 131 and the second feed tab 132 reliably, and further the first feed tab 131 and the second feed tab 132 and radiating element main body are fixed, to reach reliable feed effect.
As Fig. 1, shown in Figure 4, in the radiating element main body, the bottom of radiating element Ba Lun 120 is provided with the first joint 122 and the second joint 123, in conjunction with Fig. 2, the first joint 122 and the first through hole 1211 connect, and the second joint 123 and the second through hole 1213 connect, and, the first joint 122 is provided with the first feed groove 1221, the second joints 123 and is provided with the second feed groove 1231.When mounted, the crust of coaxial cable and the first feed groove 1221 and the second feed groove 1231 close contacts also weld together, and the first link 1321 of the first link 1311 of cable core respectively with the first feed tab 131 and the second feed tab 132 welds together, thereby realizes feed.
In addition, with reference to figure 1,2,3, in the radiating element main body, be provided with four installing holes 124 at the root of radiating element arm 110.Installing hole 124 is used for installing the appurtenances such as parasitic radiation unit under the condition of necessity, to improve radiating element in the performance of some specific application environment (such as multifrequency antenna etc.).And, routinely, also be provided with a plurality of installing holes 125,126 on radiating element Ba Lun 120, to realize installing fixing with other parts of antenna for base station.
With reference to Fig. 5, it is the structural representation that radiating element 100 of the present utility model and reflecting plate 10 are combined into antenna.As shown in the figure, in the UWB (Ultra Wideband) Antenna design, because the radiating element spacing is little, the mutual coupling grow between radiating element, therefore, preferably, the interval location between the radiating element arm is provided with for reducing mutual even isolation clip 160 between the radiating element arm.Isolation clip 160 can utilize the insulating material such as plastics to make, and it is used for reducing mutual coupling, and can effectively improve the isolation of many radiating elements antenna.And, can be as required, select one or more isolation card mounting boards to be connected on interval everywhere between the radiating element arm.Radiating element of the present utility model is used for UWB (Ultra Wideband) Antenna, the index such as can realize in super wide frequency range that good standing-wave ratio, isolation, front and back ratio, cross polarization are compared, and do not need the parts such as additional use shielded backplane.
In addition, super band dual polarization antenna for base station radiating element of the present utility model not only is applicable to the high band antenna, also may be used in the low-frequency range antenna for base station.For example, can arrange with reference to the high band antenna, amplify according to the radiating element of proper proportion with high band, to be used for the low-frequency range antenna for base station of the super wideband of design.And this radiating element also may be used on super wideband electricity and transfers in the design of antenna for base station, super wideband dual-band antenna and super broadband multi-frequency antenna.
In sum, super band dual polarization antenna for base station radiating element of the present utility model carries out feed by two feed tab in the mode of coupling, can greatly improve the bandwidth of radiating element impedance matching; Increase lateral connection bar in the radiating element arm, can improve the frequency bandwidth of radiating element when improving radiating element intensity, and significantly improve standing-wave ratio, front and back ratio and cross polarization ratio in whole frequency range.And feed tab is fixed by the position of fastener, but the consistency of guaranteed performance and reliability.In the UWB (Ultra Wideband) Antenna design, use the isolation clip, can effectively reduce the mutual coupling between radiating element, improve the isolation of antenna.
Claims (9)
1. a super band dual polarization antenna for base station radiating element, is characterized in that, comprises radiating element main body and feed tab assembly, wherein:
This radiating element main body comprises radiating element arm and the radiating element Ba Lun that is connected with this radiating element arm, and this radiating element Ba Lun is provided with the accommodation space for accommodating this feed tab assembly;
This feed tab assembly comprises the first feed tab and the second feed tab, and this first feed tab and the second feed tab electrically insulated from one another ground are arranged in a crossed manner, and with this radiating element main body electric insulation.
2. super band dual polarization antenna for base station radiating element according to claim 1, is characterized in that,
Described accommodation space comprises the first through hole, the first containing hole, the second through hole and the second containing hole, and,
This first feed tab comprises that the first link and relative with this first link first outstandingly establishes end, and this first link is arranged in this first through hole, and this first outstanding end of establishing is placed in this first containing hole;
This second feed tab comprises that the second link and relative with this second link second outstandingly establishes end, and this second link is arranged in this second through hole, and this second outstanding end of establishing is placed in this second containing hole.
3. super band dual polarization antenna for base station radiating element according to claim 2, it is characterized in that, be respectively arranged with the first link and the first outstanding the second link and second outstanding the first fastener of establishing end of establishing end and described the second feed tab for fixing described the first feed tab in described the first through hole, the first containing hole, the second through hole and the second containing hole.
4. super band dual polarization antenna for base station radiating element according to claim 2, is characterized in that, described the first feed tab and described the second feed tab are provided with the second fastener for the fixed position at crossover location.
5. super band dual polarization antenna for base station radiating element according to claim 1, is characterized in that, described radiating element arm is for being provided with the frame shape structure of intercell connector in it.
6. super band dual polarization antenna for base station radiating element according to claim 5, is characterized in that, described radiating element arm is the square box shape structure with fillet.
7. super band dual polarization antenna for base station radiating element according to claim 1, is characterized in that, described radiating element arm and radiating element Ba Lun are wholely set.
8. super band dual polarization antenna for base station radiating element according to claim 2, it is characterized in that, the bottom of described radiating element Ba Lun is provided with the first joint and the second joint, this first joint and described the first through hole connect, this second joint and described the second through hole connect, and this first joint is provided with the first feed groove, and this second joint is provided with the second feed groove.
9. super band dual polarization antenna for base station radiating element according to claim 1, is characterized in that, the interval location between described radiating element arm is provided with for reducing mutual even isolation clip between the radiating element arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661202 CN203013922U (en) | 2012-12-05 | 2012-12-05 | Ultra-wideband dual polarization base station antenna radiation unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661202 CN203013922U (en) | 2012-12-05 | 2012-12-05 | Ultra-wideband dual polarization base station antenna radiation unit |
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| CN203013922U true CN203013922U (en) | 2013-06-19 |
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| CN 201220661202 Expired - Lifetime CN203013922U (en) | 2012-12-05 | 2012-12-05 | Ultra-wideband dual polarization base station antenna radiation unit |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337716A (en) * | 2013-07-03 | 2013-10-02 | 常熟泓淋电子有限公司 | Dual-polarized broadband antenna radiation device |
| CN103474784A (en) * | 2013-09-12 | 2013-12-25 | 广东博纬通信科技有限公司 | Dual-polarization broadband antenna |
| CN104103894A (en) * | 2014-07-14 | 2014-10-15 | 广州杰赛科技股份有限公司 | Antenna and array antenna |
| WO2015168845A1 (en) * | 2014-05-05 | 2015-11-12 | 广东通宇通讯股份有限公司 | Ultra-wideband dual-polarized radiation unit and 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 |
| CN107508037A (en) * | 2017-07-11 | 2017-12-22 | 上海安费诺永亿通讯电子有限公司 | Base station antenna unit and antenna for base station |
| CN107785658A (en) * | 2017-09-25 | 2018-03-09 | 摩比天线技术（深圳）有限公司 | Bipolarization antenna for base station |
| CN107946777A (en) * | 2017-10-18 | 2018-04-20 | 广东博纬通信科技有限公司 | A kind of dedicated dual-polarization radiating unit of smart antenna and mounting means |
| WO2018103504A1 (en) * | 2016-12-06 | 2018-06-14 | 罗森伯格技术（昆山）有限公司 | Antenna feed structure and base station antenna |
| CN112599975A (en) * | 2020-12-02 | 2021-04-02 | 维沃移动通信有限公司 | mobile communication equipment |
-
2012
- 2012-12-05 CN CN 201220661202 patent/CN203013922U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337716A (en) * | 2013-07-03 | 2013-10-02 | 常熟泓淋电子有限公司 | Dual-polarized broadband antenna radiation device |
| CN103337716B (en) * | 2013-07-03 | 2014-12-10 | 常熟泓淋电子有限公司 | Dual-polarized broadband antenna radiation device |
| CN103474784A (en) * | 2013-09-12 | 2013-12-25 | 广东博纬通信科技有限公司 | Dual-polarization broadband antenna |
| WO2015168845A1 (en) * | 2014-05-05 | 2015-11-12 | 广东通宇通讯股份有限公司 | Ultra-wideband dual-polarized radiation unit and base station antenna |
| CN104103894A (en) * | 2014-07-14 | 2014-10-15 | 广州杰赛科技股份有限公司 | Antenna and array antenna |
| WO2018103504A1 (en) * | 2016-12-06 | 2018-06-14 | 罗森伯格技术（昆山）有限公司 | Antenna feed structure and 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 |
| CN107508037A (en) * | 2017-07-11 | 2017-12-22 | 上海安费诺永亿通讯电子有限公司 | Base station antenna unit and antenna for base station |
| CN107785658A (en) * | 2017-09-25 | 2018-03-09 | 摩比天线技术（深圳）有限公司 | Bipolarization antenna for base station |
| CN107785658B (en) * | 2017-09-25 | 2024-04-19 | 摩比天线技术（深圳）有限公司 | Dual polarized base station antenna |
| CN107946777A (en) * | 2017-10-18 | 2018-04-20 | 广东博纬通信科技有限公司 | A kind of dedicated dual-polarization radiating unit of smart antenna and mounting means |
| CN112599975A (en) * | 2020-12-02 | 2021-04-02 | 维沃移动通信有限公司 | mobile communication equipment |
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Effective date of registration: 20220518 Address after: 215300 No.6 Shen'an Road, Dianshanhu Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Rosenberg Technology Co.,Ltd. Address before: 201707 B2 Workshop 303 Xinke Road, Qingpu District Industrial Park, Shanghai Patentee before: ROSENBERGER (SHANGHAI) TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
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Address after: 215300 No.6 Shen'an Road, Dianshanhu Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: ProLogis Communication Technology (Suzhou) Co.,Ltd. Address before: 215300 No.6 Shen'an Road, Dianshanhu Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Rosenberg Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
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Granted publication date: 20130619 |
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| CX01 | Expiry of patent term |