CN106961010A - A kind of three frequency Bipolarization antenna for base station - Google Patents
A kind of three frequency Bipolarization antenna for base station Download PDFInfo
- Publication number
- CN106961010A CN106961010A CN201710288191.XA CN201710288191A CN106961010A CN 106961010 A CN106961010 A CN 106961010A CN 201710288191 A CN201710288191 A CN 201710288191A CN 106961010 A CN106961010 A CN 106961010A
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- Prior art keywords
- low frequency
- high frequency
- reflecting plate
- radiating element
- frequency radiation
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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
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- 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
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/17—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
Abstract
The present invention relates to a kind of three frequencies Bipolarization antenna for base station, including reflecting plate, it is arranged on the positive low frequency radiation array of reflecting plate and two high frequency radiation arrays and is arranged on the feeding network of reflection back；The low frequency radiation array, high frequency radiation array are connected with the feeding network, and described two high frequency radiation arrays are symmetrically distributed in the both sides of the low frequency radiation array；The low frequency radiation array includes N number of low frequency radiating element, the longitudinally spaced front that is arranged on reflecting plate of the N number of low frequency radiating element along the reflecting plate；Each high frequency radiation array includes 2N high frequency radiating element, the longitudinally spaced front that is arranged on reflecting plate of the 2N high frequency radiating element along the reflecting plate；Two high frequency radiating elements are respectively symmetrically distributed with the both sides of each low frequency radiating element；The N is the positive integer more than 0.The low-and high-frequency of the present invention it is intersegmental influence each other it is smaller, and with the preferably good circuit performance such as radiance and high-isolation.
Description
【Technical field】
The present invention relates to mobile communication technology field, a kind of three frequencies Bipolarization antenna for base station is related particularly to.
【Background technology】
Antenna is as the crucial front end component of wireless communication system, and the good and bad network quality to operator of its performance plays
Decisive role.In recent years, with the sharp increase of mobile subscriber's quantity, communication system is in continuous renewal and dilatation, to antenna
Design propose it is higher and higher require, antenna wideband, multifrequency are on the one hand required, to meet the communication of multiple systems simultaneously
It is required that；On the other hand require to realize the quantity that shared by multiple systems reduces antenna, to reduce the interference between antenna and reduce cost.With
Operator increasingly to improve the index request of three frequency Bipolarization antenna for base station, the core designed when first three frequency Bipolarization antenna for base station
Heart problem is exactly the way of realization for constantly optimizing three frequency Bipolarization antenna for base station, includes design and the reflection side of radiating element
The optimization on boundary so that antenna meets new technical requirements.
【The content of the invention】
It is an object of the invention to overcome the shortcomings of above-mentioned technology there is provided a kind of broadband, multifrequency, high-gain and have
There are three frequency Bipolarization antenna for base station of preferably radiance and circuit performance.
A kind of three frequencies Bipolarization antenna for base station that the present invention is provided, including reflecting plate, it is arranged on positive one of reflecting plate
Low frequency radiation array and two high frequency radiation arrays and the feeding network for being arranged on reflection back；The low frequency radiation battle array
Row, high frequency radiation array are connected with the feeding network, and described two high frequency radiation arrays are symmetrically distributed in the low frequency radiation
The both sides of array；The low frequency radiation array includes N number of low frequency radiating element, and N number of low frequency radiating element is along the reflection
The longitudinally spaced front for being arranged on reflecting plate of plate；Each high frequency radiation array includes 2N high frequency radiating element, described
The longitudinally spaced front that is arranged on reflecting plate of the 2N high frequency radiating element along the reflecting plate；Each low frequency radiating element
Both sides two high frequency radiating elements are respectively symmetrically distributed with；The N is the positive integer more than 0.
Further, the low frequency radiation array is respectively provided on two sides with division board, and the division board is fixed to described anti-
Penetrate the front of plate and between the high frequency radiation array of low frequency radiation array and correspondence side.
Further, front turnover of the longitudinal both sides of the reflecting plate respectively towards reflecting plate forms vertical flange, described
The back side of vertical flange towards reflecting plate turns down to form L-type flange.
Further, the spacing between two adjacent low frequency radiating elements is two adjacent high frequency radiations
Twice of spacing between unit.
Further, the centre position between two adjacent high frequency radiating elements is provided with bonding jumper, the metal
Bar is fixed to the front of the reflecting plate by fixed column；Positioned at the low frequency radiating element side bonding jumper center with it is low
Radio-frequency radiation unit is centrally located in same vertical plane.
Further, the top of the low frequency radiating element is to the positive height of the reflecting plate and the high frequency radiation list
The top of member is all higher than the top of the bonding jumper to the positive height of the reflecting plate to the positive height of the reflecting plate.
Further, the two ends of the bonding jumper to form vertical towards being turned down away from the positive direction of the reflecting plate respectively
Side.
Further, the surface of the high frequency radiating element is provided with metal square frame, and the metal square frame passes through fixture
Fixed to the high frequency radiating element.
Further, the low frequency radiating element includes two mutually orthogonal low frequency polarization components, each low frequency
Polarization component includes two symmetrical low frequency radiation subelements, the radiation arm of adjacent two low frequency radiation subelements
Between linked together by the first plastic buckle；The high frequency radiating element includes two mutually orthogonal high frequency polarized group
Part, each high frequency polarization component includes two symmetrical high frequency radiation subelements, two adjacent high frequency spokes
Penetrate between the radiation arm of subelement and linked together by the second plastic buckle.
Further, the radiation arm of the low frequency radiation subelement is provided with the positive metal cylinder of the reflecting plate and led
Body.
The present invention uses the arrangement mode of coplanar alongside by a low frequency radiation array and two high frequency radiation arrays, makes
Low-and high-frequency it is intersegmental influence each other it is smaller, high band and low-frequency range be respectively provided with preferably before and after ratio, cross polarization ratio characteristic, water
Collimated beam of sound width is restrained, while having the good circuit performance such as high-isolation, it is ensured that antenna is obtained under reduced size
Index request of the current GSM to the broadband, multifrequency, high-gain of multifrequency antenna can be met.
【Brief description of the drawings】
A kind of schematic perspective view for three frequencies Bipolarization antenna for base station that Fig. 1, Fig. 2 provide for the present invention；
Fig. 3 is the schematic top plan view of three frequency Bipolarization antenna for base station shown in Fig. 1；
Fig. 4 is the schematic perspective view of the low frequency radiating element of three frequency Bipolarization antenna for base station shown in Fig. 1.
【Embodiment】
The invention will be further described with reference to the accompanying drawings and examples.
A kind of three frequencies Bipolarization antenna for base station provided with reference to Fig. 1, Fig. 2 and Fig. 3, the present invention, including reflecting plate 1, setting
In 1 positive low frequency radiation array of reflecting plate and two high frequency radiation arrays and the feed for being arranged on the back side of reflecting plate 1
Network.Reflecting plate 1 is a metallic plate.Low frequency radiation array, high frequency radiation array are connected with feeding network, and feeding network is used to give
Low frequency radiation array, high frequency radiation array provide parallelly feeding.Two high frequency radiation arrays are symmetrically distributed in low frequency radiation array
Both sides.Low frequency radiation array works in 698MHz-960MHz, and high frequency radiation array works in 1710MHz-2690MHz.
Longitudinal both sides of reflecting plate 1 form vertical flange 11 towards the front turnover of reflecting plate 1 respectively, and vertical flange 11 is towards anti-
The back side for penetrating plate 1 turns down to form L-type flange 12.Vertical flange 11 and L-type flange 12 are combined into double-decker, are mainly used for adjusting
Save the radiation characteristic of high frequency radiation array.
Low frequency radiation array is respectively provided on two sides with division board 4.Division board 4 is fixed to anti-by fasteners such as plastic rivets
Penetrate the front of plate 1 and between the high frequency radiation array of low frequency radiation array and correspondence side.Preferably, division board 4 is close
Low frequency radiation array, and height of the height less than low frequency radiation array of division board 4.The division board 4 of setting, is mainly used for adjusting
Save the radiation characteristic of low frequency radiation array.
Low frequency radiation array includes 2 low frequency radiating elements, 2,2 low frequency radiating elements 2 along the longitudinally spaced of reflecting plate 1
It is arranged on the front of reflecting plate 1.Preferably, longitudinal centre line of 2 low frequency radiating elements 2 along reflecting plate 1 is spaced.Low frequency
Radiating element 2 is using circular dual polarization die casting oscillator.Each high frequency radiation array includes 4 high frequency radiating elements, 3,4 high frequencies
The longitudinally spaced front that is arranged on reflecting plate 1 of the radiating element 3 along reflecting plate 1.High frequency radiating element 3 is shaken using dual polarization die casting
Son.Two high frequency radiating elements 3 are respectively symmetrically distributed with the both sides of each low frequency radiating element 2.Two adjacent low frequency radiations
Spacing between unit 2 is twice of the spacing between two adjacent high frequency radiating elements 3.In the present embodiment, adjacent two
Spacing between individual low frequency radiating element 2 is that the spacing between 250 millimeters, two adjacent high frequency radiating elements 3 is 125 millis
Rice.
Centre position between two adjacent high frequency radiating elements 3 is provided with bonding jumper 5, and bonding jumper 5 passes through fixed column 51
Front fixed to reflecting plate 1, so that separated by a distance between bonding jumper 5 and the front of reflecting plate 1.In the present embodiment, Gu
Fixed column 51 is two, and the two ends of bonding jumper 5 are fixed to the front of reflecting plate 1 by two fixed columns 51 respectively.Positioned at low frequency spoke
The center for penetrating the bonding jumper 5 of the side of unit 2 is centrally located in same vertical plane with low frequency radiating element 2.Low frequency radiation list
The top of member 2 is all higher than gold to the top of the positive height of reflecting plate 1 and high frequency radiating element 3 to the positive height of reflecting plate 1
Belong to the top of bar 5 to the positive height of reflecting plate 1.
The two ends of bonding jumper 5 turn down to form vertical edge 52 towards away from the positive direction of reflecting plate 1 respectively.
The surface of high frequency radiating element 3 is provided with metal square frame 6, and metal square frame 6 is fixed to high frequency spoke by fixture 61
Penetrate unit 3.In the present embodiment, fixture 61 is two, and two of metal square frame 6 are diagonally fixed by two fixtures 61 respectively
To high frequency radiating element 3.Bonding jumper 5, the combination of metal square frame 6 are set, and are mainly used for adjusting the radiation of high frequency radiating element 3
Characteristic.
In the present embodiment, as shown in Figure 2, Figure 3 and Figure 4, low frequency radiating element 2 includes being fixed to the positive branch of reflecting plate 1
Brace 22, formed at two of the one end of support arm 22 in +/- 45 degree mutually orthogonal low frequency polarization components.Each low frequency polarization group
Part includes two symmetrical low frequency radiation subelements 211, and two low frequency radiation subelements 211 are formed in the one end of support arm 22
Both sides.Each low frequency radiation subelement 211 includes the radiation arm 212 of fan annular, two adjacent low frequency radiation subelements 211
Radiation arm 212 between linked together by the first plastic buckle 213, first 213 pairs of plastic buckle, two low frequency polarization groups
Part plays fixation, also acts as the effect of the radiation characteristic of regulation low frequency radiating element 2.
The radiation arm 212 of low frequency radiation subelement 211 is provided with the positive metal cylinder conductor 214 of reflecting plate 1.It is preferred that
Ground, metal cylinder conductor 214 is arranged on the centre position of the radiation arm 212 of low frequency radiation subelement 211.Metal cylinder conductor
214 are conducive to adjusting the bandwidth of low frequency radiating element 2, make the bandwidth of low frequency radiating element 2 wider.
As shown in Figures 2 and 3, high frequency radiating element 3 includes fixed to the positive support arm 32 of reflecting plate 1, formed in branch
Two of the one end of brace 32 are in +/- 45 degree mutually orthogonal high frequency polarization components.Each high frequency polarization component includes two mutually
Symmetrical high frequency radiation subelement 311, two high frequency radiation subelements 311 form the both sides in the one end of support arm 32.It is each high
Radio-frequency radiation subelement 311 is included between square radiation arm 312, the radiation arm 312 of adjacent two high frequency radiation subelements 311
Linked together by the second plastic buckle 313, second 313 pairs of plastic buckle, two high frequency polarization components play fixation,
Also act as the effect of the radiation characteristic of regulation high frequency radiating element 3.
The number of the low frequency radiating element 2 of low frequency radiation array is such as represented with N, then the high frequency spoke of each high frequency radiation array
Penetrate the number of unit 3 then includes N number of low frequency radiating element 2 for 2N, i.e. low frequency radiation array, and each high frequency radiation array includes 2N
Individual high frequency radiating element 3, two high frequency radiation arrays include 4N high frequency radiating element 3 altogether, and N is the positive integer more than 0.
Pass through the double-decker for reasonably adjusting the width between vertical flange 11 and L-type flange 12 and both are combined into
Height, the width of reflecting plate 1 may be such that antenna has preferably radiation characteristic in high band；By reasonably adjusting reflecting plate
1 width, the height of division board 4 may be such that antenna has preferably radiation characteristic in low-frequency range；By reasonably adjusting metal
Square frame 6, bonding jumper 5, the size of the vertical edge 51 at the two ends of bonding jumper 5, can obtain good radiation characteristic, simultaneously in high band
High band and the mutual coupling of low-frequency range can effectively be reduced by coordinating the size of each structure of the invention, can obtain good S ginsengs
Number index.
The present invention uses the arrangement mode of coplanar alongside by a low frequency radiation array and two high frequency radiation arrays, both
Low frequency radiating element 2, the spacing of high frequency radiating element 3 have been fully ensured that, low frequency radiating element 2, high frequency radiating element 3 are caused again
Between influence each other it is smaller, so as to ensure that the electric property of high band and low-frequency range so that high band and low-frequency range have
Ratio, cross polarization ratio characteristic before and after having preferably, horizontal plane beam angle convergence, while having the good circuit such as high-isolation
Performance, it is ensured that antenna is obtained under reduced size can meet broadband of the current GSM to multifrequency antenna, multifrequency
Change, the index request of high-gain.
The present invention is simple in construction, be easily assembled to, and performance is stable, and cost is relatively low.
Above example only expresses the preferred embodiment of the present invention, and it describes more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, it is such as special to the difference in each embodiment
Levy and be combined, these belong to protection scope of the present invention.
Claims (10)
1. a kind of three frequencies Bipolarization antenna for base station, including reflecting plate, be arranged on the positive low frequency radiation array of reflecting plate and
Two high frequency radiation arrays and the feeding network for being arranged on reflection back；The low frequency radiation array, high frequency radiation array
It is connected with the feeding network, it is characterised in that：Described two high frequency radiation arrays are symmetrically distributed in the low frequency radiation array
Both sides；The low frequency radiation array includes N number of low frequency radiating element, and N number of low frequency radiating element is along the reflecting plate
The longitudinally spaced front for being arranged on reflecting plate；Each high frequency radiation array includes 2N high frequency radiating element, the 2N
The longitudinally spaced front that is arranged on reflecting plate of the high frequency radiating element along the reflecting plate；The two of each low frequency radiating element
Two high frequency radiating elements are respectively symmetrically distributed with side；The N is the positive integer more than 0.
2. three frequencies Bipolarization antenna for base station according to claim 1, it is characterised in that：The both sides of the low frequency radiation array
Division board is respectively equipped with, the division board is fixed to the front of the reflecting plate and positioned at low frequency radiation array and correspondence side
Between the high frequency radiation array.
3. three frequencies Bipolarization antenna for base station according to claim 1, it is characterised in that：Longitudinal both sides of the reflecting plate point
Front turnover not towards reflecting plate forms vertical flange, and the back side of vertical flange towards the reflecting plate turns down to form L-type flange.
4. three frequencies Bipolarization antenna for base station according to claim 1, it is characterised in that：Two adjacent low frequency radiations
Spacing between unit is twice of the spacing between two adjacent high frequency radiating elements.
5. three frequencies Bipolarization antenna for base station according to claim 1, it is characterised in that：Two adjacent high frequency radiations
Centre position between unit is provided with bonding jumper, and the bonding jumper is fixed to the front of the reflecting plate by fixed column；It is located at
The center of the bonding jumper of the low frequency radiating element side and low frequency radiating element are centrally located in same vertical plane.
6. three frequencies Bipolarization antenna for base station according to claim 5, it is characterised in that：The top of the low frequency radiating element
Institute is all higher than to the top of the positive height of the reflecting plate and the high frequency radiating element to the positive height of the reflecting plate
The top of bonding jumper is stated to the positive height of the reflecting plate.
7. three frequencies Bipolarization antenna for base station according to claim 5, it is characterised in that：The two ends of bonding jumper court respectively
Turn down to form vertical edge away from the positive direction of the reflecting plate.
8. three frequencies Bipolarization antenna for base station according to claim 1, it is characterised in that：The high frequency radiating element just on
Side is provided with metal square frame, and the metal square frame is fixed to the high frequency radiating element by fixture.
9. three frequencies Bipolarization antenna for base station according to claim 1, it is characterised in that：The low frequency radiating element includes two
Individual mutually orthogonal low frequency polarization component, it is single that each low frequency polarization component includes two symmetrical low frequency radiation
Linked together between member, the radiation arm of adjacent two low frequency radiation subelements by the first plastic buckle；The height
Radio-frequency radiation unit includes two mutually orthogonal high frequency polarization components, and each high frequency polarization component includes two symmetrically
High frequency radiation subelement, pass through the second plastic buckle between the radiation arm of adjacent two high frequency radiation subelements and connect
Together.
10. three frequencies Bipolarization antenna for base station according to claim 9, it is characterised in that：The low frequency radiation subelement
Radiation arm is provided with the positive metal cylinder conductor of the reflecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710288191.XA CN106961010A (en) | 2017-04-27 | 2017-04-27 | A kind of three frequency Bipolarization antenna for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710288191.XA CN106961010A (en) | 2017-04-27 | 2017-04-27 | A kind of three frequency Bipolarization antenna for base station |
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| Publication Number | Publication Date |
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| CN106961010A true CN106961010A (en) | 2017-07-18 |
Family
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Family Applications (1)
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| CN201710288191.XA Pending CN106961010A (en) | 2017-04-27 | 2017-04-27 | A kind of three frequency Bipolarization antenna for base station |
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Cited By (15)
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| CN107546489A (en) * | 2017-08-16 | 2018-01-05 | 京信通信系统（中国）有限公司 | A kind of multifrequency antenna for base station for eliminating coupled resonance |
| CN107579355A (en) * | 2017-08-15 | 2018-01-12 | 佛山市波谱达通信科技有限公司 | A kind of medium-sized double frequency vertical plane large angle spotlight antenna |
| CN107611611A (en) * | 2017-08-11 | 2018-01-19 | 广东博纬通信科技有限公司 | One kind miniaturization ultra-wideband multisystem array antenna |
| CN107799896A (en) * | 2017-11-24 | 2018-03-13 | 广东博纬通信科技有限公司 | A kind of TD LTE smart antennas for applying to frequency range near 3500MHz |
| CN108039570A (en) * | 2018-01-11 | 2018-05-15 | 江苏亨鑫科技有限公司 | A kind of low section ultra-wideband bipolar radiator |
| CN108321500A (en) * | 2018-03-09 | 2018-07-24 | 中天宽带技术有限公司 | A kind of ultra-wideband Bipolarization antenna for base station of 2G/3G/4G tracking exchages |
| CN109216945A (en) * | 2018-09-28 | 2019-01-15 | 深圳国人通信股份有限公司 | A kind of multifrequency antenna for base station |
| CN109326877A (en) * | 2018-11-15 | 2019-02-12 | 江苏捷士通射频系统有限公司 | Ultra wideband dual polarization radiating element |
| CN109560391A (en) * | 2018-12-29 | 2019-04-02 | 京信通信技术(广州)有限公司 | Mimo antenna array and its antenna-reflected plate |
| CN109728416A (en) * | 2018-12-29 | 2019-05-07 | 京信通信技术(广州)有限公司 | A kind of radiating element and multifrequency antenna for base station |
| CN110518354A (en) * | 2019-09-02 | 2019-11-29 | 武汉虹信通信技术有限责任公司 | Multifrequency antenna for base station |
| CN111542965A (en) * | 2017-12-26 | 2020-08-14 | 安弗施无线射频系统（上海）有限公司 | Arch structure for multiband base station antenna |
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| CN112909583A (en) * | 2021-02-05 | 2021-06-04 | 武汉虹信科技发展有限责任公司 | Multi-system integrated antenna |
| CN113097748A (en) * | 2021-04-02 | 2021-07-09 | 重庆邮电大学 | Multi-frequency antenna array suitable for multi-standard base station |
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