CN201181729Y - Phase shifter used for electric regulation antenna - Google Patents
Phase shifter used for electric regulation antenna Download PDFInfo
- Publication number
- CN201181729Y CN201181729Y CNU2007203112127U CN200720311212U CN201181729Y CN 201181729 Y CN201181729 Y CN 201181729Y CN U2007203112127 U CNU2007203112127 U CN U2007203112127U CN 200720311212 U CN200720311212 U CN 200720311212U CN 201181729 Y CN201181729 Y CN 201181729Y
- Authority
- CN
- China
- Prior art keywords
- circuit board
- phase shift
- circuit
- slide
- phase
- 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
Links
Images
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses a phaser used for an electric-modulating antenna. The phaser includes a fixed circuit board (16), a slidable circuit board (19), a pressing mechanism (17) and a metal shell (18); the slidable circuit board (19) is closely stuck on the fixed circuit board (16) to form a coupled microstrip line structure; the pressing mechanism (17) presses the slidable circuit board (19) on the fixed circuit board (16) to drive the slidable circuit board (19) to slide together for changing the electric length of the microstrip line to form a needed phase position change. When in use, one phaser is connected with two groups of radiation units at one end of the antenna and the other phaser is connected with two groups of radiation units at one end of the antenna; the two phasers and a zero-phase shift radiation unit in the middle of the antenna are connected by a power distributing circuit dividing one into three for forming five groups of phase shift units. The phaser used for an electric-modulating antenna has the advantages of small size, large phase shift amount and low loss. The phase position demand of declining by 12 degrees of an antenna of 2.5m can be met in a bandwidth of 806 to 960m to the most.
Description
Technical field
The utility model belongs to antenna technical field, specifically relates to the core component phase shifter of electrical tilt antenna, can be applicable in the mobile cellular communication system.
Background technology
Current, in the mobile cellular communication system, terminal use's quantity sharply rises.Particularly in the city, it is big that user distribution presents density, changes big characteristics in time.This situation makes a lot of base stations operate at full capacity.Particularly in the service area or the shopping centre, the distribution meeting of terminal systems such as mobile phone is along with different time every day or the arrival generation marked change of festivals or holidays, this just makes original load that covers these regional base station systems present very great fluctuation process, sometimes utilance is very low, sometimes but overwork causes the decline of operator's service or leads the waste of making resource.In order to tackle this problem, electrical tilt antenna substitutes conventional antenna and is widely applied.Its coverage can be regulated according to the Changing Pattern of its overlay area number of users in each base station, to reach the best service effectiveness and the optimum utilization of resources.Because the rising of this needs, electrical tilt antenna is used in mobile communication in a large number now.And the core component of electrical tilt antenna is exactly a phase shifter, and present existing phase shifter is failed to reach desirable electricity and transferred effect owing to its cost height, poor performance.
The content of utility model
The purpose of this utility model provides the phase shifter that a kind of cost is low, performance is high, to satisfy the requirement of high-quality electrical tilt antenna.
The technical scheme that realizes the object of the invention is as follows:
The utility model comprises fixing circuit board, slide circuit plate, pressure holding mechanism, wherein the slide circuit plate is close on the fixing circuit board, form the microstrip line construction of coupling, pressure holding mechanism with the pressure holding of slide circuit plate on fixing circuit board, driving the slide circuit plate slides together, change the length of microstrip line, form required phase change.
Described fixing circuit board adopts the medium microstrip line construction of being made up of PTFE medium plate, gathering sill, permanent circuit, permanent circuit is divided into independently three sections, and include power distributing circuit, and limit the relative position of slide circuit plate and fixing circuit board near, gathering sill with coupling phase shift bar on the slide circuit plate.
Described slide circuit plate is made up of dielectric-slab and coupling phase shift bar, and this coupling phase shift bar presses permanent circuit, forms the phase shift mechanism that slidably is coupled, and phase shift bar relative fixed circuit slides, and changes microstrip line length, realizes phase shift.
Described pressure holding mechanism is made up of spring, slide block, pin and compression leg, and pin and compression leg fix slide circuit plate and slide block, and stem knob inserts in the gathering sill of fixing circuit board, coupling phase shift bar is overlapped with microstrip line on the fixing circuit board and near.
Two groups of permanent circuits are arranged on the described fixing circuit board, two groups of coupling phase shift bars are arranged, two polarization of corresponding dual polarized antenna on the described slide circuit plate.Every group of coupling phase shift bar is made up of the banded Copper Foil line of two n types, during work, one road signal is through the banded Copper Foil line of a n type, another road signal is through the banded Copper Foil line of two n types, after one road phase of output signal to change be the former twice, reasonably combined, can form the antenna beam needed phase change that has a down dip.During use, a phase shifter connects two groups of radiating elements of antenna one end, the another one phase shifter connects two groups of radiating elements of the other end of antenna, and two phase shifters are connected by one fen three power distributing circuit with middle one the zero phase shift radiating element of antenna, have formed totally five groups of phase-shifting units.Antenna vertical plane main beam has a down dip and changes its phase place by these five groups of radiating elements by phase shifter and form.
The utility model is compared with existing phase shifter, has following advantage:
1. obviously reduced the used transmission line of electrical tilt antenna
The tradition phase shifter is one minute four the tunnel or five the tunnel, and phase shifter is positioned over the centre or an end of antenna, and a phase shifter is used in each polarization, is connected to each radiating element by transmission line.In order to keep the phase relation between each unit, this phase shifter has used more cable.And the utility model phase shifter is the one-to-two phase shifter, and two this phase shifters are used in each polarization, and the two ends of antenna are respectively put one, and the used transmission line of antenna is obviously reduced.
2. be convenient to realize the figuration of electrical tilt antenna
The utility model is owing to include power distributing circuit, and it is positioned on the permanent circuit sheet, and that this permanent circuit sheet uses is the PCB of polytetrafluoroethylene base material, designs conveniently, is easy to processing.
3. volume is little, and amount of phase shift is big, and loss is little
The utility model has been owing to adopted the medium microstrip line, is the amount of phase shift that adopts air band line phase shifter so the electrical length of phase-shift circuit changes the phase changing capacity that causes
Doubly, ε is the dielectric constant of microstrip line, and this dielectric constant is 2.65 polytetrafluoroethylene PCB, and amount of phase shift is 1.6 times of air band line on year-on-year basis, and this makes this phase shift body obtain big amount of phase shift with smaller size smaller.
The utility model therefore obtained stable coupling effect, thereby it is little to decay because coupled section circuit distance is little between slide circuit plate and fixing circuit board, area is big.
Test result shows that the utility model is the maximum phase place demand that can satisfy 2.5 meters antenna downtilt, 12 degree in the scope of bandwidth 806M～960M, as table 1.
Table 1 phase shifter is in the test result of three exemplary position,
Frequency 806 824 870 896 915 960
Start bit Insertion Loss 2.35 2.37 2.57 2.81 2.83 2.89
Phase place 000000
1 mouthful of interposition Insertion Loss 2.24 2.32 2.35 2.34 2.4 2.42
Phase place-46-45-45-45-47-51
Terminal position Insertion Loss 2.59 2.48 2.36 2.29 2.25 2.22
Phase place-96-97-101-106-109-118
Start bit Insertion Loss 4.67 4.54 4.35 4.23 4.15 4.14
Phase place 155 150 141 131 123 107
2 mouthfuls of interposition Insertion Loss 4.51 4.35 4.29 4.38 4.4 4.51
Phase place 59 51 35 19 10-10
Terminal position Insertion Loss 4.52 4.54 4.54 4.63 4.74 4.66
Phase place-51-59-78-95-104-128
The maximum amount of phase shift that can count phase shifter from table 1 is 235 °, and Insertion Loss is less than 0.55dB.
The utility model in the phase shift process standing wave maximum less than 1.4.
Description of drawings
Fig. 1 is a fixing circuit board schematic diagram of the present utility model
Fig. 2 is slide circuit plate signal of the present utility model;
Fig. 3 is overall structure schematic diagram of the present utility model;
Fig. 4 is the scheme of installation of the utility model on antenna.
Embodiment
Followingly structure of the present utility model is elaborated with reference to accompanying drawing.
With reference to Fig. 3, the utility model is made up of fixing circuit board 16, slide circuit plate 19, pressure holding mechanism 17, metal shell 18, slide circuit plate 19, pressure holding mechanism 17, slide circuit plate 19 is close on the fixing circuit board 16, form the microstrip line construction of coupling, pressure holding mechanism 17 on fixing circuit board 16, drives 19 pressure holdings of slide circuit plate slide circuit plate 19 and slides together, change the electrical length of microstrip line, form required phase change.
This fixing circuit board 16 adopts two groups of medium microstrip line constructions, and each group mainly is made up of PTFE medium plate 1, gathering sill 2, permanent circuit 3, as shown in Figure 1.Permanent circuit 3 is divided into independently three sections, and promptly the input port 4, delivery outlet 5 and 6, and include power distributing circuit.This permanent circuit 3 is covered with the non-irrigated film of resistance, and is close to coupling with the coupling phase shift bar 8 on the slide circuit plate 19.By the relative position of gathering sill 2 qualification slide circuit plates 19, make it accurately with stable with fixing circuit board 16.
This slide circuit plate 19 is made up of two groups of coupling phase shift bars 8 and thin-medium plate 7 respectively, and is covered with the non-irrigated film of resistance.Thin-medium plate 7 mainly works to support coupling phase shift bar.Each group coupling phase shift bar 8 is made up of the banded Copper Foil line of two n types, as shown in Figure 2.This coupling phase shift bar 8 is close to coupling with permanent circuit 3, forms the phase shift mechanism that slidably is coupled, and coupling phase shift bar 8 relative fixed circuit 3 slide, and the electrical length that changes microstrip line is carried out phase shift.
This pressure holding mechanism 17 is made up of spring 9, slide block 10, pin 11 and compression leg 12, pin 11 and compression leg 12 are fixing with slide circuit plate 19 and slide block 10, and by making the microstrip line on coupling phase shift bar 8 energy and the fixing circuit board 16 overlap in the gathering sill 2 that stem knob is inserted fixing circuit board 16.The position of spring 9 and compression leg 12 and adjustable number are whole, by adjusting spring 9 and compression leg, adjustable solidating decide circuit 3 and be coupled between the phase shift bar 8 near degree, to reach satisfied coupling effect.
This metal shell 18 also will cooperate a metal box-lid to form the cavity of sealing, other structure of phase shifter be played the effect that installs and fixes, props up overfill protection, electromagnetic shielding.
Two contact-making surfaces of described fixing circuit board 16 and slide circuit plate 19 all scribble and approach resistance drought layer, prevent the microstrip line on short circuit and effective protection coupling phase shift structure 8 and the fixing circuit board.The pressure that spring 9 is compressed the distortion generation is applied on the slide circuit plate by compression leg 12, makes that coupling phase shift bar and 3 couplings of the permanent circuit on the fixing circuit board 16 on the slide circuit plate 19 are stable.Cable 13 is connected the input port 4 of two groups of permanent circuits, and cable 14 is connected the delivery outlet 5 of two groups of permanent circuits, and cable 15 is connected the delivery outlet 6 of two groups of permanent circuits.
During work, slide circuit plate 19 on fixing circuit board 16, is close to slide circuit plate 19 and fixing circuit board 16 by 17 pressure holdings of pressure holding mechanism.When coupling phase shift bar 8 presses after permanent circuit 3 forms microstrip lines, signal 4 enters from the input port, behind the banded Copper Foil line of first n type that overcoupling phase shift bar 8 is comprised, tells a part of signal from delivery outlet 5 earlier; All the other signals are exported by delivery outlet 6 behind the banded Copper Foil line of second n type that overcoupling phase shift structure 8 is comprised again.When pressure holding mechanism 17 drives slide circuit plates 19 according to the track displacement d that sets, make the signal experience distance of delivery outlet 5 outputs be changed to 2d, be changed to 4d from the signal experience distance of delivery outlet 6 outputs, the phase change that is delivery outlet 6 is 2 times of delivery outlet 5 phase change, has realized the needed phase shift requirement of electrical tilt antenna.
With reference to Fig. 4, the directed electrical tilt antenna of double-polarized base station need be installed two the utility model phase shifters.Two phase shifters are installed in the two ends place of antenna respectively, when being applied to electrical tilt antenna, a phase shifter connects two groups of radiating elements of antenna one end, the another one phase shifter connects two groups of radiating elements of the other end of antenna, two phase shifters are connected by one fen three merit parallel circuit with middle one the zero phase shift radiating element of antenna, have formed totally five groups of radiating elements.The having a down dip of antenna vertical plane main beam changes its phase place by these five groups of radiating elements by phase shifter and forms.
Claims (6)
1. phase shifter that is used for electrical tilt antenna, it is characterized in that comprising fixing circuit board (16), slide circuit plate (19), pressure holding mechanism (17), this slide circuit plate (19) is close on the fixing circuit board (16), form the microstrip line construction of coupling, this pressure holding mechanism (17) with slide circuit plate (19) pressure holding on fixing circuit board (16), drive slide circuit plate (19) and slide together, change the electrical length of microstrip line, form required phase change.
2. phase shifter according to claim 1 is characterized in that fixing circuit board (16) adopts two groups of medium microstrip line constructions of being made up of PTFE medium plate (1), gathering sill (2), permanent circuit (3).
3. phase shifter according to claim 2, it is characterized in that permanent circuit (3) is divided into independently three sections, and include power distributing circuit, this permanent circuit (3) is close to coupling with the coupling phase shift bar (8) on the slide circuit plate (19), and gathering sill (2) limits the accurate and stable of slide circuit plate (19) and fixing circuit board (16) relative position.
4. phase shifter according to claim 1, it is characterized in that slide circuit plate (19) is made up of dielectric-slab (7) and two groups of n types coupling phase shift bars (8), this coupling phase shift bar (8) presses permanent circuit (3), form the phase shift mechanism that slidably is coupled, coupling phase shift bar (8) relative fixed circuit (3) slides, and the electrical length that changes microstrip line is carried out phase shift.
5. phase shifter according to claim 1, it is characterized in that pressure holding mechanism (17) is made up of spring (9), slide block (10), pin (11) and compression leg (12), pin (11) and compression leg (12) fix slide circuit plate (19) and slide block (10), and stem knob inserts in the gathering sill (2) of fixing circuit board (16), coupling phase shift bar (8) is overlapped with microstrip line on the fixing circuit board (16) and near.
6. want 4 described phase shifters according to right, phase shift bar (8) the relative fixed circuit (3) that it is characterized in that being coupled slides, signal is entered from the input port (4) of permanent circuit, pass through the output of delivery outlet (5) and delivery outlet (6) respectively, the phase change of delivery outlet (6) is 2 times of delivery outlet (5) phase change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203112127U CN201181729Y (en) | 2007-12-12 | 2007-12-12 | Phase shifter used for electric regulation antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203112127U CN201181729Y (en) | 2007-12-12 | 2007-12-12 | Phase shifter used for electric regulation antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201181729Y true CN201181729Y (en) | 2009-01-14 |
Family
ID=40251224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203112127U Expired - Fee Related CN201181729Y (en) | 2007-12-12 | 2007-12-12 | Phase shifter used for electric regulation antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201181729Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157767A (en) * | 2011-03-28 | 2011-08-17 | 京信通信系统（中国）有限公司 | Coaxial medium phase shifting system, phase shifter and phase shifting drive device |
| CN102231451A (en) * | 2011-04-21 | 2011-11-02 | 江苏捷士通科技股份有限公司 | Integrated phase shifter including power distribution network |
| CN102255118A (en) * | 2010-05-17 | 2011-11-23 | 摩比天线技术（深圳）有限公司 | Phase shifter, phase shift network and electrically-controlled antenna |
| CN102460824A (en) * | 2009-05-11 | 2012-05-16 | 株式会社Kmw | Multi-line phase shifter for vertical beam tilt-controlled antenna |
| CN101645524B (en) * | 2009-07-13 | 2013-02-13 | 电子科技大学 | Miniaturized electric regulating intelligent antenna phaser based on helix slow wave line |
| CN104183890A (en) * | 2014-08-04 | 2014-12-03 | 京信通信技术(广州)有限公司 | Phase shift unit |
| CN106207320A (en) * | 2015-04-29 | 2016-12-07 | 华为技术有限公司 | Phase shifter and antenna |
| CN106463804A (en) * | 2014-04-04 | 2017-02-22 | 菲尔特罗尼克无线公司 | Adjustable constant impedance phase shifter |
| CN111029776A (en) * | 2015-06-01 | 2020-04-17 | 华为技术有限公司 | Combined phase shifter and multi-frequency antenna network system |
| CN111342234A (en) * | 2018-12-19 | 2020-06-26 | 上海新岸线电子技术有限公司 | Base station electrically-controlled antenna |
-
2007
- 2007-12-12 CN CNU2007203112127U patent/CN201181729Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102460824A (en) * | 2009-05-11 | 2012-05-16 | 株式会社Kmw | Multi-line phase shifter for vertical beam tilt-controlled antenna |
| CN102460824B (en) * | 2009-05-11 | 2015-01-28 | 株式会社Kmw | Multi-line phase shifter for vertical beam tilt-controlled antenna |
| US8907744B2 (en) | 2009-05-11 | 2014-12-09 | Kmw Inc. | Multi-line phase shifter having a fixed plate and a mobile plate in slideable engagement to provide vertical beam-tilt |
| CN101645524B (en) * | 2009-07-13 | 2013-02-13 | 电子科技大学 | Miniaturized electric regulating intelligent antenna phaser based on helix slow wave line |
| CN102255118B (en) * | 2010-05-17 | 2014-05-07 | 摩比天线技术（深圳）有限公司 | Phase shifter, phase shift network and electrically-controlled antenna |
| CN102255118A (en) * | 2010-05-17 | 2011-11-23 | 摩比天线技术（深圳）有限公司 | Phase shifter, phase shift network and electrically-controlled antenna |
| CN102157767B (en) * | 2011-03-28 | 2014-06-11 | 京信通信系统（中国）有限公司 | Coaxial medium phase shifting system, phase shifter and phase shifting drive device |
| CN102157767A (en) * | 2011-03-28 | 2011-08-17 | 京信通信系统（中国）有限公司 | Coaxial medium phase shifting system, phase shifter and phase shifting drive device |
| CN102231451A (en) * | 2011-04-21 | 2011-11-02 | 江苏捷士通科技股份有限公司 | Integrated phase shifter including power distribution network |
| CN106463804B (en) * | 2014-04-04 | 2020-10-30 | 凯禄斯天线公司 | Adjustable constant impedance phase shifter |
| CN106463804A (en) * | 2014-04-04 | 2017-02-22 | 菲尔特罗尼克无线公司 | Adjustable constant impedance phase shifter |
| CN104183890A (en) * | 2014-08-04 | 2014-12-03 | 京信通信技术(广州)有限公司 | Phase shift unit |
| CN104183890B (en) * | 2014-08-04 | 2017-05-10 | 京信通信技术(广州)有限公司 | Phase shift unit |
| CN106207320A (en) * | 2015-04-29 | 2016-12-07 | 华为技术有限公司 | Phase shifter and antenna |
| US10658719B2 (en) | 2015-04-29 | 2020-05-19 | Huawei Technologies Co., Ltd. | Phase shifter and antenna |
| CN106207320B (en) * | 2015-04-29 | 2019-10-01 | 华为技术有限公司 | Phase shifter and antenna |
| CN111029776A (en) * | 2015-06-01 | 2020-04-17 | 华为技术有限公司 | Combined phase shifter and multi-frequency antenna network system |
| CN111029776B (en) * | 2015-06-01 | 2021-04-09 | 华为技术有限公司 | Antenna |
| CN111342234A (en) * | 2018-12-19 | 2020-06-26 | 上海新岸线电子技术有限公司 | Base station electrically-controlled antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201181729Y (en) | Phase shifter used for electric regulation antenna | |
| Feng et al. | A dual-wideband and high gain magneto-electric dipole antenna and its 3D MIMO system with metasurface for 5G/WiMAX/WLAN/X-band applications | |
| Feng et al. | A conformal magneto-electric dipole antenna with wide H-plane and band-notch radiation characteristics for sub-6-GHz 5G base-station | |
| CN101888017B (en) | Shunt-type omnidirectional antenna array of three frequency bands of GSM (Global System for Mobile Communications) 850/DCS (Digital Communication Service)/PCS (Personal Communication Service) | |
| CN1168180C (en) | Apparatus for suppressing mutual interference between antennas | |
| CN108565543B (en) | MIMO antenna structure and handheld device with same | |
| CN103268987B (en) | A kind of small size three is unification multifrequency ceramic antenna frequently | |
| JP2013527657A (en) | Dual polarized microstrip antenna | |
| CN103872464A (en) | Ultra-Wideband 180 Degree Hybrid For Dual-Band Cellular Basestation Antenna | |
| CN104681896A (en) | Integrated multipath dielectric phase shifter | |
| CN105576359A (en) | Ultra-wide band miniature cross circularly polarized antenna | |
| CN204614906U (en) | A kind of multipath integrated dielectric phase shifter | |
| CN210182584U (en) | Beam forming antenna structure | |
| CN107534221A (en) | leaky-wave antenna | |
| CN109860979B (en) | Mobile terminal applied to 5G communication | |
| CN109860980B (en) | Mobile terminal | |
| CN102122763A (en) | All-round array antenna for parallel feed | |
| CN211376923U (en) | Broadband magnetoelectric dipole antenna structure | |
| CN100487981C (en) | Mobile communication base station plane multiware beam antenna | |
| CN106571527A (en) | Base station electrically adjustable antenna phase shifter and multiband common base station antenna | |
| CN109888508A (en) | Phased array antenna | |
| CN201060942Y (en) | Dual-frequency dual polarization electric modulation antenna | |
| CN204375976U (en) | A kind of low section pectination network array antenna for base station | |
| CN103594802B (en) | A kind of Butler matrix structure | |
| CN116417786A (en) | Indoor distributed dual-polarized directional wall-mounted antenna with mobile broadband |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xi'an Haitian wireless system equipment Co., Ltd. Assignor: Xi'an Haitian Antenna Sci-tech Co., Ltd. Contract record no.: 2011610000124 Denomination of utility model: Phase shifter used for electric regulation antenna Granted publication date: 20090114 License type: Exclusive License Record date: 20110719 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20101212 |