CN201741775U - Phase shifter used for base station antenna - Google Patents
Phase shifter used for base station antenna Download PDFInfo
- Publication number
- CN201741775U CN201741775U CN2010202553459U CN201020255345U CN201741775U CN 201741775 U CN201741775 U CN 201741775U CN 2010202553459 U CN2010202553459 U CN 2010202553459U CN 201020255345 U CN201020255345 U CN 201020255345U CN 201741775 U CN201741775 U CN 201741775U
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- CN
- China
- Prior art keywords
- base station
- nonmetal
- signal transmission
- metal
- antenna
- 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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- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The utility model discloses a phase shifter used for a base station antenna, comprising a metal signal transmitting block, a movable metal block, a nonmetal stretching transmission rod, a metal cavity and an external transmission cable; the metal signal transmitting block is fixed in the metal cavity; one end of the metal signal transmitting block is fixedly connected with an inner core of the external transmission cable; microwave signal transmission between the metal signal transmitting block and the movable metal is realized by adopting a coupling mode; the movable metal block is connected with the nonmetal stretching transmission rod; and the nonmetal stretching transmission rod stretches back and forth so as to realize continuous change of transmission signal phase. The phase shifter has stable performance, simple structure, and good consistency, can be assembled conveniently, has wide working band and low insertion loss, can effectively realize wave beam declination of the base station antenna and the continuous phase.
Description
Technical field
The utility model relates to a kind of phase shifter, is specifically related to a kind of antenna for base station that is used for and regulates beam tilt realization phase place continually varying phase shifter.
Background technology
Antenna for base station is the transmission and covering critical component of signal in the mobile communication system.Can change the coverage distance of base station neatly by the luffing angle of adjusting antenna for base station.Antenna for base station pitching method of adjustment is divided into two kinds: the electronics pitching is adjusted and mechanical pitching adjustment.In order to realize the wave beam pitching of antenna for base station effectively, avoid the lengthy and tedious operation of mechanical pitching, phase shifter has become the key core part of base station electrical tilt antenna, and its performance directly influences the quality of communication.But existing phase shifter cost is higher, complex structure, assembling trouble, angle of declination degree of regulation are not enough.
Summary of the invention
Goal of the invention: the purpose of this utility model is at the deficiencies in the prior art, provides a kind of antenna for base station that is used for to regulate beam tilt, simple in structure, realization phase place continually varying phase shifter.
Technical scheme: the phase shifter that is used for antenna for base station described in the utility model comprises metal signal transmission block, removable metal derby, nonmetal stretching drive link, metallic cavity and external transmission cable;
Described metal signal transmission block is 2, and secured in parallel is in described metallic cavity; The inner core of the external transmission cable that described metal signal transmission block one end is interior with stretching into described metallic cavity is fixedlyed connected;
Adopt coupled modes to realize the microwave signal transmission between described metal signal transmission block and the described removable metal derby;
Described removable metal derby links to each other with described nonmetal stretching drive link, realizes the lasting variation of transmission signals phase place by the front and back stretching of nonmetal stretching drive link; Carry out power transfer by the mode of coupling between removable metal derby and the metal signal transmission block.
Metal signal transmission block, removable metal derby and metallic cavity form the microstrip line form with the Transmission Microwave signal.
Spacing between two U type coupling pieces of described removable metal derby is 1/4 wavelength, to guarantee good input and output voltage standing wave ratio.
For realizing the energy coupling of removable metal derby and metal signal transmission block, the contact-making surface of removable metal derby and metal signal transmission block carries out package with plastic tube, thereby realizes that by the plastic tensile drive link front and back slip of removable metal derby realizes that the phase place of transmission signals changes continuously.
For easy for installation, the two ends of described metal signal transmission block are fixed in the described metallic cavity by nonmetal fixed screw respectively.
For simple in structure, described metal signal transmission block one end and the inner core welding of stretching into the external transmission cable in the described metallic cavity.
Described nonmetal stretching drive link is non-conductive and the polytetrafluoroethylmaterial material of not inhaling ripple is made.
Described nonmetal fixed screw is non-conductive and the polytetrafluoroethylmaterial material of not inhaling ripple is made.
The utility model compared with prior art, its beneficial effect is: the stable performance of the utility model phase shifter, simple in structure, easy to assembly, high conformity, working band is wide, the insertion loss is low, can realize the downwards bevel beam of antenna for base station effectively, realizes the continuous variation of phase place.
Description of drawings
Accompanying drawing is the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing, by a most preferred embodiment, technical solutions of the utility model are elaborated, but protection range of the present utility model is not limited to described embodiment.
As shown in the figure, a kind of phase shifter that is used for antenna for base station comprises metal signal transmission block 1, removable metal derby 2, nonmetal stretching drive link 3, nonmetal fixed screw 4, metallic cavity 5 and external transmission cable 6; Metal signal transmission block 1, removable metal derby 2 form the microstrip line form with the Transmission Microwave signal with metallic cavity 5;
Described metal signal transmission block 1 is 2, the two ends of described metal signal transmission block 1 respectively by nonmetal fixed screw 4 secured in parallel in described metallic cavity 5; Described metal signal transmission block 1 one ends and the inner core welding of stretching into the external transmission cable 6 in the described metallic cavity 5;
Adopt coupled modes to realize the microwave signal transmission between described metal signal transmission block and the described removable metal derby; Described removable metal derby 2 links to each other with described nonmetal stretching drive link 3, realizes the lasting variation of transmission signals phase place by the front and back stretching of described nonmetal stretching drive link 3; Spacing between two U type coupling pieces of described removable metal derby 2 is that 1/4 wavelength is to guarantee good input and output voltage standing wave ratio; Described removable metal derby 2 carries out package with the contact-making surface of described metal signal transmission block 1 with plastic tube;
Described nonmetal stretching drive link 3 stretches out described metallic cavity 5; Removable metal derby 2 spurs the stroke that changes signal by the front and back of nonmetal stretching drive link 3, thereby the phase place that realizes transmission signals changes continuously;
Described nonmetal stretching drive link 3 and described nonmetal fixed screw 4 made for polytetrafluoroethylmaterial material non-conductive and that do not inhale ripple.
The above only is a preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (7)
1. a phase shifter that is used for antenna for base station is characterized in that: comprise metal signal transmission block (1), removable metal derby (2), nonmetal stretching drive link (3), metallic cavity (5) and external transmission cable (6);
Described metal signal transmission block (1) is for being fixed in the described metallic cavity (5); Described metal signal transmission block (1) one end is fixedlyed connected with the inner core of external transmission cable (6);
Adopt coupled modes to realize the microwave signal transmission between described metal signal transmission block (1) and the described removable metal derby (2);
Described removable metal derby (2) links to each other with described nonmetal stretching drive link (3), realizes the lasting variation of transmission signals phase place by the front and back stretching of described nonmetal stretching drive link (3).
2. the phase shifter that is used for antenna for base station according to claim 1 is characterized in that: the spacing between two U type coupling pieces of described removable metal derby (2) is that 1/4 wavelength is to guarantee good input and output voltage standing wave ratio.
3. the phase shifter that is used for antenna for base station according to claim 1 is characterized in that: described removable metal derby (2) carries out package with the contact-making surface of described metal signal transmission block (1) with plastic tube.
4. according to claim 1, the 2 or 3 described phase shifters that are used for antenna for base station, it is characterized in that: the two ends of described metal signal transmission block (1) are fixed in the described metallic cavity (5) by nonmetal fixed screw (4) respectively.
5. according to claim 1, the 2 or 3 described phase shifters that are used for antenna for base station, it is characterized in that: described metal signal transmission block (1) one end and the inner core welding of stretching into the external transmission cable (6) in the described metallic cavity (5).
6. according to claim 1, the 2 or 3 described phase shifters that are used for antenna for base station, it is characterized in that: described nonmetal stretching drive link (3) is made for polytetrafluoroethylmaterial material non-conductive and that do not inhale ripple.
7. the phase shifter that is used for antenna for base station according to claim 4 is characterized in that: described nonmetal fixed screw (4) is made for polytetrafluoroethylmaterial material non-conductive and that do not inhale ripple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202553459U CN201741775U (en) | 2010-07-12 | 2010-07-12 | Phase shifter used for base station antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202553459U CN201741775U (en) | 2010-07-12 | 2010-07-12 | Phase shifter used for base station antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201741775U true CN201741775U (en) | 2011-02-09 |
Family
ID=43557052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202553459U Expired - Fee Related CN201741775U (en) | 2010-07-12 | 2010-07-12 | Phase shifter used for base station antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201741775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229588A (en) * | 2016-09-27 | 2016-12-14 | 深圳慧联达科技有限公司 | Ultra-wideband high-frequency electrical adjusts cavity phase shifter and antenna for base station |
| CN111180838A (en) * | 2019-12-31 | 2020-05-19 | 华南理工大学 | Phase shifter unit, phase shifter and antenna |
-
2010
- 2010-07-12 CN CN2010202553459U patent/CN201741775U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229588A (en) * | 2016-09-27 | 2016-12-14 | 深圳慧联达科技有限公司 | Ultra-wideband high-frequency electrical adjusts cavity phase shifter and antenna for base station |
| CN106229588B (en) * | 2016-09-27 | 2019-01-15 | 深圳慧联达科技有限公司 | Ultra-wideband high-frequency electrical tune cavity phase shifter and antenna for base station |
| CN111180838A (en) * | 2019-12-31 | 2020-05-19 | 华南理工大学 | Phase shifter unit, phase shifter and antenna |
| CN111180838B (en) * | 2019-12-31 | 2021-11-23 | 华南理工大学 | Phase shifter unit, phase shifter and antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170526 Address after: 8 No. 224211 Yancheng City Dongtai city of Jiangsu Province East Avenue Patentee after: JIANGSU JST RADIO FREQUENCY SYSTEM CO., LTD. Address before: 224211 Jiangsu province Dongtai Shiyan Town Road No. 20 ah Patentee before: Jiangsu JST Technologies Stock Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20180712 |