CN205376766U - Big angle of declination base station antenna of super wide band - Google Patents
Big angle of declination base station antenna of super wide band Download PDFInfo
- Publication number
- CN205376766U CN205376766U CN201620097380.XU CN201620097380U CN205376766U CN 205376766 U CN205376766 U CN 205376766U CN 201620097380 U CN201620097380 U CN 201620097380U CN 205376766 U CN205376766 U CN 205376766U
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- CN
- China
- Prior art keywords
- reflecting plate
- radiating element
- base station
- antenna
- flange
- Prior art date
- 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 - Fee Related
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Abstract
The utility model provides a big angle of declination base station antenna of super wide band, include reflecting plate (20), a plurality of feed network who installs radiating element (40) on the reflecting plate front and set up at the reflecting plate back. Reflecting plate (20) are including installation department (22) of lengthwise type, from the two turn -ups portion that the long side of installation department (22) two extends out respectively, and the cross section of every turn -ups portion all be similar to the V -arrangement, and the cross section that makes reflecting plate (20) is similar to M and appears. Radiating element follows the length direction of reflecting plate (20) installs the front of installation department (22), one metal square frame (42) have been placed directly over every radiating element (40). Set up on reflecting plate (20) metal isolation strip (30) that are used for separating adjacent radiating element, feed network is used for rightly radiating element provides shunt feed. The utility model discloses under the prerequisite of adjusting the great electrical down -tilting angle of antenna, still can obtain better super wide band radiance, have good circuit performances such as high isolation simultaneously.
Description
[technical field]
This utility model relates to the communications field, particularly relates to a kind of big angle of declination antenna for base station of ultra-wideband.
[background technology]
The development of mobile communication technology is maked rapid progress, and the competition of Telecom Service Market increasingly sharpens.City signal overlay area is complicated, and intensive community user is more, and electromagnetic environment also becomes increasingly complex.These bring unprecedented challenge to the design of mobile communication antenna feed system.It addition, mobile broadband demand is constantly promoted by user, the electric property of antenna for base station is proposed increasingly higher requirement by operator: broadband, high-gain, high front and back ratio, the convergence of high-isolation, wave beam, main shaft cross polarization discrimination etc..This just requires that antenna for base station adjusts tilt angled down and realizes covering.Solve the problems referred to above, it is necessary to develop the antenna for base station of the big angle of declination of a kind of ultra-wideband.
[utility model content]
The purpose of this utility model is to provide the antenna for base station of the big angle of declination of a kind of ultra-wideband.
A kind of antenna for base station involved by this utility model, including reflecting plate, some radiating elements being installed on reflecting plate front and the feeding network being arranged on the reflecting plate back side.Described reflecting plate is lengthwise open, and including the installation portion of lengthwise open, two turn-up portion each extending over out from two long sides of described installation portion, the cross section of each turn-up portion is similar to V-arrangement, makes the approximate M shape of cross section of described reflecting plate；Described radiating element is installed to the front of installation portion along the length direction of described reflecting plate；The surface of each described radiating element placed a metal square frame；Described reflecting plate is provided with the metal isolating bar for space between adjacent radiating element；Described feeding network is for providing parallelly feeding to described radiating element.
As a kind of preferred version, each turn-up portion includes the first flange, changeover portion and the second flange that are sequentially connected with, and described first flange extends out from the corresponding long side of described installation portion.
As a kind of preferred version, in each turn-up portion, the angle (θ) in described first flange and described installation portion front is obtuse angle；The angle of described first flange and the second flange is acute angle.
As a kind of preferred version, described second flange partly protrudes from the plane at installation portion place.
As a kind of preferred version, described radiating element is dual polarization doublet；Described radiating element is by being equidistantly arranged in uniform straight line array, and the longitudinal direction along described reflecting plate is installed.
As a kind of preferred version, described metal square frame is the square-shaped metal sheet of a center hollow out, and openwork part is square；Metal square frame is arranged on the surface of described radiating element at a certain distance.
As a kind of preferred version, described metal isolating bar includes master unit and two legs stretched out respectively from the two ends of master unit；Said two leg is respectively installed to the changeover portion of said two turn-up portion.
As a kind of preferred version, described second flange is substantially vertical with installation portion；Changeover portion is substantially parallel with the installation portion of reflecting plate.
As a kind of preferred version, described leg and described changeover portion are for being of coupled connections.
As a kind of preferred version, described metal isolating bar (34) is installed on the middle position of adjacent radiation unit.
Compared with prior art, this utility model, except having the characteristic of the big angle of declination of overclocking, also has the good circuit performances such as high-isolation.This utility model simple in construction, be easily assembled to, stable performance, cost is relatively low, it is possible to solves very well the weak point that in prior art, antenna for base station exists, meets user's demand to mobile broadband.
[accompanying drawing explanation]
Fig. 1 is a kind of schematic diagram of the present utility model.
Fig. 2 is the top view of radiating element of the present utility model.
Fig. 3 is cross sectional representation of the present utility model.
[detailed description of the invention]
Fig. 1 is a kind of schematic diagram of the present utility model.A kind of antenna for base station, including reflecting plate 20, some radiating elements 40 being installed on reflecting plate front and the feeding network being arranged on the reflecting plate back side.Described reflecting plate 20 is lengthwise open, and including the installation portion 22 of lengthwise open, two turn-up portion each extending over out from 22 two long sides of described installation portion, the cross section of each turn-up portion is similar to V-arrangement, makes the approximate M shape of cross section of described reflecting plate 20.Described radiating element is installed to the front of installation portion 22 along the length direction of described reflecting plate 20.The surface of each described radiating element 40 placed a metal square frame 42.Reflecting plate 20 is provided with the metal isolating bar 30 for space between adjacent radiating element 40.Feeding network is for providing parallelly feeding to described radiating element.
In the implementation case, the first flange 24 in described turn-up portion extends upward along reflecting plate installation portion, becomes obtuse angle (θ).First flange 24, changeover portion 28 and the second flange 26 are sequentially connected with, and constitute the turn-up portion of reflecting plate.Wherein, changeover portion 28 is parallel to each other with the installation portion 22 of reflecting plate, and it is downward that the second flange 26 is perpendicular to reflecting plate installation portion.On the whole turn-up portion be configured similarly to inverted V-shaped.The extended height of the second flange is more than the spacing between the first flange 24 and reflected bottom plate 22, and part the second flange is higher than installation portion 22.From cross section, whole reflecting plate is a M shape structure.Compared with prior art, the reflecting plate of this shape ensure that ultra-wideband big angle of declination antenna obtains good radiance.By regulate angle (θ) and each flange may be dimensioned such that antenna has preferably radiation characteristic at ultratvide frequency band, reach reality demand.
The radiating element 40 that the implementation case adopts is dual polarization doublet.Described radiating element is by being equidistantly arranged in uniform straight line array, and the longitudinal direction along described reflecting plate 20 is installed.The longitudinal size of described reflecting plate 20 depends on the number of radiating element 40.Plan reflecting plate large scale according to the radiating element number needed for actual installation, it is possible to further economize on resources, improve resource utilization, reduce expense of raw materials.
With reference to Fig. 2 or Fig. 3, radiating element be arranged above a metal square frame.The described square-shaped metal sheet that metal square frame 42 is a center hollow out, and openwork part be square.Metal square frame is arranged on described radiating element 40 at a certain distance.
Returning apparatus metal isolating bar on the edge of reflecting plate.Described metal isolating bar 30 includes master unit 32 and two legs 34 stretched out respectively from the two ends of master unit；Two legs 34 are connected on two changeover portions 28 of turn-up portion, and the connected mode of said two leg 34 and changeover portion 28 is for being of coupled connections.Metal isolating bar is overall on the cross section at described reflecting plate.More specifically, metal isolating bar 3 is generally positioned at the centre of adjacent radiation unit.
Compared with prior art, the peculiar shape of described metal isolating bar 30 tightly can not optimize aerial radiation parameter, the circuit parameter of antenna is had certain benefit simultaneously yet.
Above-described embodiment solely for the purpose of illustration, is not used to limit this utility model.Any amendment that the technical staff of the industry makes on basis of the present utility model, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. an antenna for base station, it is characterised in that include reflecting plate (20), some radiating elements (40) being installed on reflecting plate front and the feeding network being arranged on the reflecting plate back side；Installation portion (22) that described reflecting plate (20) includes lengthwise open, two turn-up portion each extending over out from (22) two long sides of described installation portion, the cross section of each turn-up portion is similar to V-arrangement, makes the approximate M shape of cross section of described reflecting plate (20)；Described radiating element is installed to the front of installation portion (22) along the length direction of described reflecting plate (20)；The surface of each described radiating element (40) placed a metal square frame (42)；Described reflecting plate (20) is provided with the metal isolating bar (30) for space between adjacent radiating element；Described feeding network is for providing parallelly feeding to described radiating element.
2. antenna for base station as claimed in claim 1, it is characterized in that, each turn-up portion includes the first flange (24), changeover portion (28) and the second flange (26) that are sequentially connected with, and described first flange (24) extends out from the corresponding long side of described installation portion (22).
3. antenna for base station as claimed in claim 2, it is characterised in that in each turn-up portion, the angle (θ) in described first flange (24) and described installation portion (22) front is obtuse angle；The angle of described first flange (24) and the second flange (26) is acute angle.
4. antenna for base station as claimed in claim 3, it is characterised in that described second flange (26) partly protrudes from the plane at installation portion (22) place.
5. antenna for base station as claimed in claim 1, it is characterised in that described radiating element (40) is dual polarization doublet；Described radiating element is by being equidistantly arranged in uniform straight line array, and the longitudinal direction along described reflecting plate (20) is installed.
6. antenna for base station as claimed in claim 5, it is characterised in that the described square-shaped metal sheet that metal square frame (42) is a center hollow out, and openwork part be square；Metal square frame is arranged on the surface of described radiating element (40) at a certain distance.
7. antenna for base station as claimed in claim 2, it is characterised in that described metal isolating bar (30) includes master unit (32) and two legs (34) stretched out respectively from the two ends of master unit；Said two leg (34) is respectively installed to the changeover portion (28) of said two turn-up portion.
8. antenna for base station as claimed in claim 2, it is characterised in that described second flange is substantially vertical with installation portion；Changeover portion (28) is substantially parallel with the installation portion of reflecting plate (22).
9. antenna for base station as claimed in claim 7, it is characterised in that described leg (34) and described changeover portion (28) are for being of coupled connections.
10. antenna for base station as claimed in claim 7, it is characterised in that described metal isolating bar (30) is installed on the middle position of adjacent radiation unit (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620097380.XU CN205376766U (en) | 2016-02-03 | 2016-02-03 | Big angle of declination base station antenna of super wide band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620097380.XU CN205376766U (en) | 2016-02-03 | 2016-02-03 | Big angle of declination base station antenna of super wide band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205376766U true CN205376766U (en) | 2016-07-06 |
Family
ID=56262406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620097380.XU Expired - Fee Related CN205376766U (en) | 2016-02-03 | 2016-02-03 | Big angle of declination base station antenna of super wide band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205376766U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516769A (en) * | 2017-09-28 | 2017-12-26 | 中国联合网络通信集团有限公司 | The antenna of antenna pattern restructural |
| CN107768827A (en) * | 2017-09-19 | 2018-03-06 | 广东博纬通信科技有限公司 | A kind of narrow section ultra-wideband multichannel 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 |
| CN112688075A (en) * | 2020-12-16 | 2021-04-20 | 京信通信技术(广州)有限公司 | Antenna and isolation strip |
-
2016
- 2016-02-03 CN CN201620097380.XU patent/CN205376766U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768827A (en) * | 2017-09-19 | 2018-03-06 | 广东博纬通信科技有限公司 | A kind of narrow section ultra-wideband multichannel array antenna |
| CN107516769A (en) * | 2017-09-28 | 2017-12-26 | 中国联合网络通信集团有限公司 | The antenna of antenna pattern restructural |
| 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 |
| CN112688075A (en) * | 2020-12-16 | 2021-04-20 | 京信通信技术(广州)有限公司 | Antenna and isolation strip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20220203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |