CN201417809Y - Electric regulation antenna phase shifter - Google Patents
Electric regulation antenna phase shifter Download PDFInfo
- Publication number
- CN201417809Y CN201417809Y CN2009200569445U CN200920056944U CN201417809Y CN 201417809 Y CN201417809 Y CN 201417809Y CN 2009200569445 U CN2009200569445 U CN 2009200569445U CN 200920056944 U CN200920056944 U CN 200920056944U CN 201417809 Y CN201417809 Y CN 201417809Y
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- cavity
- phase shifter
- phase shift
- coupling
- shift arm
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Abstract
The utility model aims at providing an electric regulation antenna phase shifter which has wide frequency band, small standing-wave ratio and variation of amplitude in the phase shifting process, lowcost, high reliability and low complexity. The electric regulation antenna phase shifter comprises a cavity, a cavity cover plate and a cavity bottom plate that form a box body. The electric regulation antenna phase shifter is characterized in that a phase shifting arm, a regulation rod and two coupling and fixing grooves are arranged in the cavity; the phase shifting arm is designed into the plate-shaped multilayer structure, wherein the middle is a conducting layer, the outside is an insulating layer, one end of the phase shifting arm is connected with the regulation rod, and the other end thereof extends into the coupling and fixing grooves. The coupling and fixing groove is designed into the lying U-shaped structure; the phase shifting arm is designed into the similar fork shape; the cavity cover plate and the cavity bottom plate have the corresponding boss shapes; and the other end of the regulation rod extends out of the cavity.
Description
Technical field
The utility model relates to the mobile base station antenna technical field, especially a kind of base station electrical tilt antenna phase shifter.
Background technology
Antenna of mobile communication base station will be called the Downtilt or the angle of depression with respect to horizontal alignment certain angle that has a down dip usually; To directly influence the radiation effect of base station by adjusting angle of declination.The main at present adjustment of adopting the dual mode realization to the antenna for base station angle of declination; Be that a kind of mode is antenna downward-sloping certain physical angle when installing, promptly so-called mechanical tilt; Another kind of mode is the phase place that only needs to change the different radiating doublets of antenna, the beam direction of antenna is deflected down, promptly so-called electrical down-tilting.
In present stage, adopting more is the mechanical tilt angle of adjusting antenna, but because the density of the network coverage is increasing, interference how to avoid the adjacent area has been the more and more crucial problem of networking, and adopt the method for mechanical adjustment Downtilt owing to cause the distortion of antenna pattern and adjacent area to be disturbed easily, adjust also inconvenience simultaneously, so its application is restricted.Adjustable electrical down-tilting antenna then can overcome above-mentioned defective, therefore obtains application more and more widely.
The operation principle of electrical tilt antenna is exactly that feeding network changes the phase place of each radiating element of conllinear array antenna by the electronics mode, thereby influences the variation of compound direction figure greatest irradiation point, realizes adjusting automatically the effect at antenna beam inclination angle.Thereby the device (phase shifter) that changes the radiating element phase place is exactly the critical component of electrical tilt antenna.
Antenna for base station plays a part to receive and the carrier wave that transmits, and is the front end critical component of base station, and is most important for the running quality of mobile communication system.Carry out the network optimization, when administering and maintaining, need to adjust the tilt angled down of antenna, electrical tilt antenna just is to use phase shifter to adjust the antenna that the antenna main lobe width of cloth is penetrated tilt angled down, it adjusts principle is by the phase place that changes conllinear battle array radiating element, the amplitude size that changes vertical component and horizontal component, and synthetic component field intensity intensity realizes thereby change.And the adjusting device of angle of declination is exactly so-called phase shifter.By the phase place that is used for changing conllinear battle array radiating element of phase shifter, to reach the purpose of adjusting angle of declination.Along with mobile communication system develop rapidly and universal, base station distribution is more and more intensive in the city, communications band is more and more, therefore performance requirement for phase shifter is more and more high, needs that phase shifter has bandwidth, standing-wave ratio and changes in amplitude is little, cost is low, reliability is high and complexity is low characteristics in the phase shift process.
Summary of the invention
Shortcoming at antenna mechanical tilt technology, the purpose of this utility model is to provide a kind of bandwidth, in the phase shift process standing-wave ratio and changes in amplitude is little, cost is low, reliability is high and complexity is low electrical tilt antenna phase shifter, the mode of transferring by electricity realizes the downwards bevel beam of antenna.
The technical scheme that its technical problem that solves the utility model adopts is: include a cavity, cavity cover plate, well floor, the three forms a box body, it is characterized in that: phase shift arm, adjusting rod, two coupling holddown grooves are arranged in described box body, the phase shift arm is the lamellar structure of multilayer, the intermediate layer is a conductive layer, surface layer is an insulating barrier up and down, one end of this phase shift arm is connected with adjusting rod, the both sides of the other end are stretched into respectively in two coupling holddown grooves, become to be slidingly connected with two coupling holddown grooves, two coupling holddown grooves become respectively '
' the shape structure, the other end of adjusting rod stretches out outside the cavity.
Because of the height of cavity can influence standing-wave ratio, so be to have left and right side frame shape that boss, well floor also have boss, cavity to match as " convex shape " and loam cake and base plate and form two spaces that vary in size of sealing in the inside of phase shifter by phase shifter cavity cover plate.
The holddown groove that wherein is coupled can play the effect of signal transmission, and two coupling holddown grooves and forked phase shift arm form the loop of signal, and the physical length change of transmission signals can cause phase shifts, thereby produces the effect of phase shift.The scope of phase shift is by first and second determining positions of forked phase shift arm; Primary importance, phase shift arm stretch into coupling fixedly in the cell body fully, and the physical length of transmission signals does not change; The second place, the phase shift arm is fixedly extracted out in the cell body fully from being coupled, and the physical length of transmission signals changes, and the hysteresis amount of phase shift that produced this moment is maximum.The phase shift arm can be forked movable conductor, can block in its recess detent mechanism is arranged, detent mechanism can be column or tabular, detent mechanism is fixed on the well floor, the guider when forming the phase shift arm and moving.The other end of phase shift arm is connected with cylinder lever connecting rod, and cylinder lever connecting rod stretches out outside the cavity, and the phase shift arm can move forward and backward like this, and the linear length that changes the inner wire of coupling holddown groove and movable conductor composition reaches phase place continually varying purpose.Because of the height of cavity can influence standing-wave ratio, so by forming two spaces that vary in size in cavity cover plate, cavity frame, the well floor seal chamber.Be to be in the less space when the phase shift arm moves in the holddown groove by pull bar, when the phase shift arm picks out holddown groove by pull bar, just be in than large space in.
In embodiment of the present utility model, in order to make the adjusting rod position stability, a fixation clamp is arranged in cavity, there are screw, adjusting rod to pass this fixation clamp on the fixation clamp.Position by this screw adjusting rod.
The beneficial effects of the utility model are:
1, reaches the purpose of standing-wave ratio matched well; Frequency bandwidth can well extend to 800MHZ, 2500MHZ, 3300MHZ, 3500MHZ etc.
2, realized maximum Phasing with the physical size of minimum.
3, coupling holddown groove and phase shift arm constitute signal transmission loop, and the variable effect of its physical length the length of signal transmission path, and the variation of signal transmission path has caused the difference of signal phase time-delay.
4, the kinematic accuracy when guaranteeing that phase shift arm 9 moves in the phase shift process is provided with detent mechanism and guider in the middle of two coupling holddown grooves.
Description of drawings
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the stereogram behind the removal cavity cover plate among the utility model embodiment.
Among the figure: 1 is that cavity cover plate, 3 is that adjusting rod, 4 is that well floor, 5 is that cavity, 6A, 6B are that ways, 9 is that phase shift arm, 10 is that guide groove, 11 is fixation clamp for coupling holddown groove, 8.
Embodiment
Referring to accompanying drawing, the utility model includes a cavity 5, cavity cover plate 1, well floor 4, the three forms a box body, it is characterized in that: phase shift arm 9, adjusting rod 3, two coupling holddown groove 6A, 6B are arranged in described box body, phase shift arm 9 is lamellar structures of multilayer, the intermediate layer is a conductive layer, surface layer is an insulating barrier up and down, one end of this phase shift arm 9 is connected with adjusting rod 3, the both sides of the other end are stretched into respectively in two coupling holddown groove 6A, the 6B, become to be slidingly connected with two coupling holddown grooves, two coupling holddown grooves become respectively '
' the shape structure, the other end of adjusting rod stretches out outside the cavity.Coupling holddown groove 6A, the 6B of inside cavity and phase shift arm 9 form the loop of signal transmission, by changing the physical length of signal transmission, further reach the purpose of standing-wave ratio matched well.High-frequency current signal is coupled to phase shift arm 9 by coupling holddown groove 6A, 6B output back signal, just scalable phase shift arm is in the physical displacement amount of coupling in the holddown groove for pulling adjusting rod 3, and the physics by phase shift arm 9 moves and increases or reduces high-frequency current and reach the purpose of phase shift from the holddown groove 6A that is coupled go into, be coupled physical length that holddown groove 6B goes out.
In embodiment of the present utility model, for guaranteeing that standing-wave ratio and changes in amplitude are little in the phase shift process, at cavity 5 middle parts and coupling corresponding position, holddown groove end one step is arranged, correspondingly the corresponding site of cavity cover plate 1, well floor 4 also has step, and this step makes cavity cover plate 1 bottom surface, well floor 4 bottom surfaces equate to the distance on phase shift arm two sides with cavity cover plate 1 bottom surface, well floor 4 bottom surfaces to the distance on coupling holddown groove surface.
In embodiment of the present utility model, it is parallel open forked that the phase shift arm is two arms, the front end prong opens and forms a guide groove 10, and there is ways 8 to be stuck in this guide groove 10, this ways 8 is fixed on the well floor 4, guider when formation phase shift arm 9 moves, ways 8 can be column or platy structure; In embodiment of the present utility model, in order to make adjusting rod 3 position stabilities, a fixation clamp 11 is arranged in cavity 5, on the fixation clamp 11 screw is arranged, adjusting rod 3 passes this fixation clamp 11, by the position of screw tightening secured adjusted bar 3.
In an embodiment of the present utility model, what the conductive layer in the phase shift arm 9 used is double-layer printing circuit board, comprise the intermedium rack-layer, be close to the conductor layer on casing play two sides, the metal pin hole that usefulness vertically runs through between these three layers two-layer conductor layer up and down links up, and the intermedium rack-layer plays a supportive role.By the wiring board technology of this hole metallization, easy to process (directly cut printed substrate form the phase shift arm just can), there is insulating barrier (coupling layer) outside of conductor layer, five layers altogether.
Claims (5)
1, a kind of electrical tilt antenna phase shifter, include a cavity (5), cavity cover plate (1), well floor (4), the three forms a box body, it is characterized in that: phase shift arm (9) is arranged in described box body, adjusting rod (3), two coupling holddown groove (6A, 6B), phase shift arm (9) is the lamellar structure of multilayer, the intermediate layer is a conductive layer, surface layer is an insulating barrier up and down, one end of this phase shift arm (9) is connected with adjusting rod (3), the both sides of the other end are stretched into two coupling holddown groove (6A respectively, 6B), become to be slidingly connected with two coupling holddown grooves, two coupling holddown grooves become respectively '
' the shape structure, the other end of adjusting rod stretches out outside the cavity.
2, according to the electrical tilt antenna phase shifter of claim 1, it is characterized in that: because of the height of cavity can influence standing-wave ratio, so be to have left and right side frame shape that boss, well floor also have boss, cavity to match as " convex shape " and loam cake and base plate and form two spaces that vary in size of sealing in the inside of phase shifter by phase shifter cavity cover plate.
3, according to the electrical tilt antenna phase shifter of claim 1, it is characterized in that: the phase shift arm is approximate forked, front end prong parallel opening open form becomes a guide groove (10), and there is ways (8) to be stuck in this guide groove 10, this ways (8) is fixed on the well floor 4, become the guider of phase shift arm (9) when mobile, ways (8) can be column or platy structure.
4, according to the electrical tilt antenna phase shifter of claim 1, it is characterized in that: a fixation clamp (11) is arranged in cavity (5), fixation clamp has screw on (11), and adjusting rod (3) passes this fixation clamp (11), by the position of screw tightening secured adjusted bar (3).
5, according to the electrical tilt antenna phase shifter of claim 1, it is characterized in that: the conductive layer in the phase shift arm (9) comprises the intermedium rack-layer, is close to the conductor layer on casing play two sides, and links up with two-layer conductor layer about the metal pin hole general of vertically running through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200569445U CN201417809Y (en) | 2009-05-20 | 2009-05-20 | Electric regulation antenna phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200569445U CN201417809Y (en) | 2009-05-20 | 2009-05-20 | Electric regulation antenna phase shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201417809Y true CN201417809Y (en) | 2010-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200569445U Expired - Fee Related CN201417809Y (en) | 2009-05-20 | 2009-05-20 | Electric regulation antenna phase shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201417809Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050747A (en) * | 2012-11-30 | 2013-04-17 | 摩比天线技术（深圳）有限公司 | Phase shifter and antenna assembly |
| CN103915663A (en) * | 2014-04-24 | 2014-07-09 | 中国工程物理研究院应用电子学研究所 | Metal sheet high-power waveguide phase shifter |
| CN103956577A (en) * | 2014-04-30 | 2014-07-30 | 广东晖速通信技术有限公司 | Integrated feeding network of 4G antenna |
| CN104269647A (en) * | 2014-09-09 | 2015-01-07 | 西安华为技术有限公司 | Phase shifter |
| CN108119611A (en) * | 2017-12-30 | 2018-06-05 | 京信通信系统（中国）有限公司 | The phase-condition system and its power transmission of phase shifter |
| CN108194602A (en) * | 2018-01-04 | 2018-06-22 | 武汉虹信通信技术有限责任公司 | A kind of stop bit block positioning device and localization method |
| CN113889720A (en) * | 2021-11-08 | 2022-01-04 | 华南理工大学 | Phase shifting device, antenna and base station |
| WO2022198883A1 (en) * | 2021-03-23 | 2022-09-29 | 京信通信技术(广州)有限公司 | Base station antenna and phase shifter therefor |
-
2009
- 2009-05-20 CN CN2009200569445U patent/CN201417809Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050747A (en) * | 2012-11-30 | 2013-04-17 | 摩比天线技术（深圳）有限公司 | Phase shifter and antenna assembly |
| CN103050747B (en) * | 2012-11-30 | 2015-01-14 | 摩比天线技术（深圳）有限公司 | Phase shifter and antenna assembly |
| CN103915663A (en) * | 2014-04-24 | 2014-07-09 | 中国工程物理研究院应用电子学研究所 | Metal sheet high-power waveguide phase shifter |
| CN103915663B (en) * | 2014-04-24 | 2016-08-24 | 中国工程物理研究院应用电子学研究所 | A kind of sheet metal high power waveguide phase shifter |
| CN103956577B (en) * | 2014-04-30 | 2016-12-07 | 广东晖速通信技术有限公司 | A kind of integrated feeding network of 4G antenna |
| CN103956577A (en) * | 2014-04-30 | 2014-07-30 | 广东晖速通信技术有限公司 | Integrated feeding network of 4G antenna |
| CN104269647A (en) * | 2014-09-09 | 2015-01-07 | 西安华为技术有限公司 | Phase shifter |
| CN104269647B (en) * | 2014-09-09 | 2017-12-22 | 西安华为技术有限公司 | A kind of phase shifter |
| US10199702B2 (en) | 2014-09-09 | 2019-02-05 | Huawei Technologies Co., Ltd. | Phase shifter comprising a cavity having first and second fixed transmission lines with slots therein that engage a slidable transmission line |
| CN108119611A (en) * | 2017-12-30 | 2018-06-05 | 京信通信系统（中国）有限公司 | The phase-condition system and its power transmission of phase shifter |
| CN108119611B (en) * | 2017-12-30 | 2020-04-14 | 京信通信技术(广州)有限公司 | Phase adjusting system of phase shifter and power transmission device thereof |
| CN108194602A (en) * | 2018-01-04 | 2018-06-22 | 武汉虹信通信技术有限责任公司 | A kind of stop bit block positioning device and localization method |
| CN108194602B (en) * | 2018-01-04 | 2020-02-14 | 武汉虹信通信技术有限责任公司 | Positioning device and positioning method for stop block |
| WO2022198883A1 (en) * | 2021-03-23 | 2022-09-29 | 京信通信技术(广州)有限公司 | Base station antenna and phase shifter therefor |
| CN113889720A (en) * | 2021-11-08 | 2022-01-04 | 华南理工大学 | Phase shifting device, antenna and base station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG HUISU TELECOMMUNICATION TECHNOLOGY CO., Free format text: FORMER NAME: DONGGUAN HUISU ANTENNA TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 523128 Dongguan City, Dongcheng District Province, cattle mountain industrial park outside the landscape road, the main mountain industrial zone, No. 2 Patentee after: GUANGDONG HUISU TELECOMMUNICATION TECH CO., LTD. Address before: 523128 Dongcheng District City, Dongguan province cattle mountain outside the industrial park landscape road Patentee before: Dongguan Huisu Antenna Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20180520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |