CN201112567Y - Broad band dual polarization antenna array - Google Patents
Broad band dual polarization antenna array Download PDFInfo
- Publication number
- CN201112567Y CN201112567Y CN 200720170443 CN200720170443U CN201112567Y CN 201112567 Y CN201112567 Y CN 201112567Y CN 200720170443 CN200720170443 CN 200720170443 CN 200720170443 U CN200720170443 U CN 200720170443U CN 201112567 Y CN201112567 Y CN 201112567Y
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- China
- Prior art keywords
- polarized antenna
- dual polarized
- feed tab
- period
- broadband dual
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000009977 dual effect Effects 0.000 title claims abstract description 26
- 230000010287 polarization Effects 0.000 title description 2
- 238000005452 bending Methods 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 6
- 239000002985 plastic film Substances 0.000 claims description 4
- 238000005388 cross polarization Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Abstract
The utility model provides a broadband dual polarized antenna element suitable for antenna of mobile base stations. The broadband dual polarized antenna element comprises a radiating unit, and a support leg formed by cutting and downwardly bending a part of the radiating unit. The bottom end of the support leg is fixed on a reflecting plate, a feeding plate is fixed on the support leg and kept in a predetermined space, the bottom end of the feeding plate is connected with the inner core of a cable, and the outer core of the cable is connected with a feeding line seat, which is fixed on the reflecting plate. The broadband dual polarized antenna element provided in the utility model has the advantages of low cost, simple structure, less components, low materials consumption, easy production, good intermodulation characteristic, good cross polarization ratio, high gain, and high front-to-back ratio.
Description
Technical field
The utility model belongs to the antenna of mobile communication base station field, relates in particular to a kind of broadband dual polarized antenna a period of time.
Background technology
Along with the development of mobile communication technology, also more and more higher to the requirement of antenna for base station.Antenna for base station generally is combined into array format by identic radiating element, to obtain high gain.Performances such as the gain of radiating element, cross polarization ratio, front and back ratio, intermodulation will directly have influence on indexs such as the gain, cross polarization ratio, front and back ratio, intermodulation of entire antenna.At present, a period of time of dual polarized antenna half-wave dipole structures that adopt two pairs of quadratures add supporting seat with radiation fin and form more, and its supporting seat needs to make cost height and complex structure in addition.Intermodulation characteristic third order intermodulation value commonly used is assessed, and requires the third order intermodulation value not to be higher than-107dBm.
The utility model content
Technical problem to be solved in the utility model be to provide a kind of simple in structure, cost is low and broadband dual polarized antenna a period of time of being easy to produce.
For solving the problems of the technologies described above, the utility model provides a kind of broadband dual polarized antenna a period of time, and it comprises radiating element, and described broadband dual polarized antenna a period of time also comprises cuts the leg that back bending downwards forms to the part of described radiating element; Described leg bottom is fixed on the reflecting plate, and feed tab is fixed on the described leg, and keeps preset space length, and described feed tab bottom connects the cable inner core, and the outer core of cable is connected on the feeder block, and described feeder block is fixed on the described reflecting plate.
The utility model needs the cost made in addition because the downward bending of leg cutouts from the radiating element forms thereby saved, and simple in structure, building block is few, and materials are few, are easy to produce; And because feed tab do not have metal with the radiating element parts and be connected, and radiating element is structure as a whole, so has good intermodulation characteristic; And the special irradiation structure of radiating element has determined this radiating element to have good cross polarization ratio, high-gain and high front and back ratio.
Description of drawings
The structural representation in broadband dual polarized antenna a period of time that Fig. 1 a, Fig. 1 b provide for the utility model;
Fig. 2 a, Fig. 2 b are the radiative unit structure schematic diagrames that the utility model provides;
Fig. 3 is the straight feedback feed tab structural representation that the utility model provides;
Fig. 4 is the coupling feed tab structural representation that the utility model provides;
Fig. 5 is the built-in structural representation of straight feedback feed tab that the utility model provides;
Fig. 6 is the built-in structural representation of coupling feed tab that the utility model provides;
Fig. 7 is the external structural representation of straight feedback feed tab that the utility model provides;
Fig. 8 is the external structural representation of coupling feed tab that the utility model provides;
The structural representation of another embodiment in broadband dual polarized antenna a period of time that Fig. 9 a, Fig. 9 b provide for the utility model.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1 a and Fig. 1 b, radiating element 1 can be a foursquare aluminium sheet, digs out groove from four symmetrical diagonal positions of radiating element 1, and the downward bending of the part that will cut out forms four legs 2.The radiating element topographical structure that the difference of Fig. 1 a and Fig. 1 b is to dig out behind the groove is inequality.
Seeing also Fig. 2 a and Fig. 2 b is radiating element topographical structure schematic diagram.Cut out four square grooves as leg on radiating element, the square groove among Fig. 2 a is middle font, and the square groove among Fig. 2 b is rectangle.In the present embodiment, two kinds of different radiating element topographical structure among Fig. 2 a and Fig. 2 b all can reach the ideal effect of the high cross polarization ratio of high-gain near 10dB, main shaft 20dB, and especially ± 60 ° cross polarization ratio can reach more than the 10dB.
See also Fig. 3 and be straight feedback feed tab structural representation.Feed tab 5 is to adopt the structure of direct feed mode.The top 6 of feed tab 5 is connected with radiating element 1 and is fixing, and welding cable inner core on the bottom 7 of feed tab 5 keeps spacing and fixing between the side 8 of feed tab 5 and the leg 2.
Seeing also Fig. 4 is coupling feed tab structural representation.Feed tab 9 is to adopt the structure of coupling feeding classification.Keep spacing and fixing between the both sides 10,11 of feed tab 9 and the leg 2, welding cable inner core on the bottom 12 of feed tab 9.
Seeing also Fig. 5 is directly to present feed tab embedding structure schematic diagram.Feed tab 5 is arranged at leg 2 inboards, and the top 6 of feed tab 5 is connected with radiating element 1 and is fixing, and welding cable inner core 13 on its bottom 7 is realized feed.The outer core 14 of cable is welded on the feeder block 15, and feeder block 15 is fixed on the reflecting plate 16, is grounded.Fixing with plastic sheet 17 in the middle of the radiating element 1, radiating element 1 supports with plastic column 18 all around and is fixing with nut 19.Leg 2 keeps spacing and fixing with the side 8 usefulness working of plasticss 20 of feed tab 5, and the bottom of leg 2 is fixed on the reflecting plate 16.
Seeing also Fig. 6 is coupling feed tab embedding structure schematic diagram.Its implementation method is similar to straight feedback feed tab embedding structure, and different is, feed tab 9 is not connected with radiating element 1, and the both sides 10,11 of feed tab 9 are all also fixed with leg 2 usefulness working of plasticss 20 maintenance spacings.
Seeing also Fig. 7 is directly to present feed tab external structure schematic diagram.Feed tab 5 is arranged at leg 2 outsides, and the top 6 of feed tab 5 is connected with radiating element 1 and is fixing, and welding cable inner core 13 on its bottom 7 is realized feed.The outer core 14 of cable is welded on the feeder block 15, and feeder block 15 is fixed on the reflecting plate 16, is grounded.Fixing with plastic sheet 17 in the middle of the radiating element 1, radiating element 1 supports with plastic column 18 all around and is fixing with nut 19.Leg 2 keeps spacing and fixing with the side 8 usefulness working of plasticss 20 of feed tab 5, and the bottom of leg 2 is fixed on the reflecting plate 16.
Seeing also Fig. 8 is coupling feed tab external structure schematic diagram.Its implementation method is similar to straight feedback feed tab external structure, and different is, feed tab 9 is not connected with radiating element 1, and the both sides 10,11 of feed tab 9 are all also fixed with leg 2 usefulness working of plasticss 20 maintenance spacings.
See also Fig. 9 a and Fig. 9 b, be the structural representation of another embodiment in the utility model broadband dual polarized antenna a period of time.To realize that the waste part that cuts out in the radiating element 1 in dual polarization half-wave a period of time is bent into leg 2, leg 2 bottoms are connected with reflecting plate 16 and are fixing.The present embodiment feed tab is to adopt the direct feed mode, and its top connects radiating element 1.Be understandable that feed tab can be to adopt the direct feed mode, also can adopt the coupling feeding classification.
In sum, in the utility model embodiment, broadband dual polarized antenna a period of time comprises: reflecting plate, radiating element and leg, feed tab and feeder block.Radiating element can be a square aluminium sheet, and leg is to be formed by four rectangles of digging out on the radiating element or downward bending 90 degree of strip.The leg bottom is fixed on the reflecting plate, if adopt the mode of direct feed then two feed tab tops are fixed on the radiating element with rivet, if adopt the mode of coupling feed then the feed tab top is not connected with radiating element, feed tab bottom welding cable inner core, the outer core of cable is welded on the feeder block, feeder block is fixed on the reflecting plate, keeps spacing and fixing with working of plastics between feed tab and the leg.At last, the radiating element center guarantees stability, the reliability in a period of time with plastic sheet, play fixation with plastic column all around.The utility model is simple in structure, and building block is few, and materials are few, is easy to produce; Because feed tab does not have metal with radiating element and is connected, and radiating element is structure as a whole, so has good intermodulation characteristic; And the special irradiation structure of radiating element has determined this radiating element to have good cross polarization ratio, high-gain and high front and back ratio.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1, in a kind of broadband dual polarized antenna a period of time, it comprises radiating element, it is characterized in that, described broadband dual polarized antenna a period of time also comprises cuts the leg that back bending downwards forms to the part of described radiating element; Described leg bottom is fixed on the reflecting plate, and feed tab is fixed on the described leg, and keeps preset space length, and described feed tab bottom connects the cable inner core, and the outer core of cable is connected on the feeder block, and described feeder block is fixed on the described reflecting plate.
2, in broadband dual polarized antenna a period of time as claimed in claim 1, it is characterized in that described feed tab is straight feedback feed tab or coupling feed tab.
3, in broadband dual polarized antenna a period of time as claimed in claim 2, it is characterized in that described straight feedback feed tab top is fixed on the described radiating element.
4, in broadband dual polarized antenna a period of time as claimed in claim 2, it is characterized in that described coupling feed tab and radiating element keep spacing.
5, in broadband dual polarized antenna a period of time as claimed in claim 1, it is characterized in that described feed tab is to be fixed on the described leg by working of plastics, and keep preset space length.
6, in broadband dual polarized antenna a period of time as claimed in claim 1, it is characterized in that described feed tab is arranged at described leg inboard.
7, in broadband dual polarized antenna a period of time as claimed in claim 1, it is characterized in that described feed tab is arranged at described outside of foot.
8, in broadband dual polarized antenna a period of time as claimed in claim 1, it is characterized in that, fix with plastic sheet in the middle of the described radiating element.
9, in broadband dual polarized antenna a period of time as claimed in claim 1, it is characterized in that, fix with the plastic column support and with nut around the described radiating element.
10, in broadband dual polarized antenna a period of time as claimed in claim 1, it is characterized in that the part after described radiating element is cut open is rectangle or strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720170443 CN201112567Y (en) | 2007-10-31 | 2007-10-31 | Broad band dual polarization antenna array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720170443 CN201112567Y (en) | 2007-10-31 | 2007-10-31 | Broad band dual polarization antenna array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201112567Y true CN201112567Y (en) | 2008-09-10 |
Family
ID=39964317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720170443 Expired - Lifetime CN201112567Y (en) | 2007-10-31 | 2007-10-31 | Broad band dual polarization antenna array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201112567Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826653A (en) * | 2010-03-31 | 2010-09-08 | 东莞市晖速天线技术有限公司 | Oscillator of antenna of mobile communication base station |
| CN102971910A (en) * | 2012-01-21 | 2013-03-13 | 华为技术有限公司 | Antenna unit and antenna |
| CN104143686A (en) * | 2013-05-10 | 2014-11-12 | 中国电信股份有限公司 | Dual-polarized radiation unit and antenna |
| EP2378610B1 (en) * | 2009-01-12 | 2018-07-25 | Comba Telecom System (China) Ltd. | Dual polarization radiation unit and planar dipole thereof |
| CN108417998A (en) * | 2018-05-11 | 2018-08-17 | 京信通信系统（中国）有限公司 | Antenna and its radiating element |
| WO2018209600A1 (en) * | 2017-05-17 | 2018-11-22 | 广东通宇通讯股份有限公司 | Radiation element, as well as antenna unit and antenna array thereof |
| WO2018224666A1 (en) * | 2017-06-09 | 2018-12-13 | Kathrein Se | Dual-polarised crossed dipole and antenna arrangement having two such dual-polarised crossed dipoles |
-
2007
- 2007-10-31 CN CN 200720170443 patent/CN201112567Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2378610B1 (en) * | 2009-01-12 | 2018-07-25 | Comba Telecom System (China) Ltd. | Dual polarization radiation unit and planar dipole thereof |
| CN101826653A (en) * | 2010-03-31 | 2010-09-08 | 东莞市晖速天线技术有限公司 | Oscillator of antenna of mobile communication base station |
| CN101826653B (en) * | 2010-03-31 | 2014-04-16 | 东莞市晖速天线技术有限公司 | Oscillator of antenna of mobile communication base station |
| CN102971910A (en) * | 2012-01-21 | 2013-03-13 | 华为技术有限公司 | Antenna unit and antenna |
| CN104143686A (en) * | 2013-05-10 | 2014-11-12 | 中国电信股份有限公司 | Dual-polarized radiation unit and antenna |
| WO2018209600A1 (en) * | 2017-05-17 | 2018-11-22 | 广东通宇通讯股份有限公司 | Radiation element, as well as antenna unit and antenna array thereof |
| WO2018224666A1 (en) * | 2017-06-09 | 2018-12-13 | Kathrein Se | Dual-polarised crossed dipole and antenna arrangement having two such dual-polarised crossed dipoles |
| CN110870134A (en) * | 2017-06-09 | 2020-03-06 | 凯瑟雷恩欧洲股份公司 | Dual-polarized crossed dipole and antenna arrangement having two such dual-polarized crossed dipoles |
| US11217905B2 (en) | 2017-06-09 | 2022-01-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Dual-polarized crossed dipole and antenna arrangement having two such dual-polarized crossed dipoles |
| EP3635814B1 (en) * | 2017-06-09 | 2024-03-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Dual-polarised crossed dipole and antenna arrangement having two such dual-polarised crossed dipoles |
| CN108417998A (en) * | 2018-05-11 | 2018-08-17 | 京信通信系统（中国）有限公司 | Antenna and its radiating element |
| CN108417998B (en) * | 2018-05-11 | 2024-01-30 | 京信通信技术(广州)有限公司 | Antenna and radiating element thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080910 |