CN202564505U - Electrically adjustable antenna fast/slow wave phase shifter - Google Patents
Electrically adjustable antenna fast/slow wave phase shifter Download PDFInfo
- Publication number
- CN202564505U CN202564505U CN2012201623449U CN201220162344U CN202564505U CN 202564505 U CN202564505 U CN 202564505U CN 2012201623449 U CN2012201623449 U CN 2012201623449U CN 201220162344 U CN201220162344 U CN 201220162344U CN 202564505 U CN202564505 U CN 202564505U
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- arc arms
- fast
- slow wave
- wave structure
- phase shifter
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Abstract
The utility model discloses an electrically adjustable antenna fast/slow wave phase shifter which comprises a slow wave structure arc arm, a fast wave structure arc arm, a feeder line, a center phase output line, and a rotating arm, wherein two output ends of the slow wave structure arc arm and two output ends of the fast wave structure arc arm are respectively connected with antenna radiation units, the rotating arm is arranged above the two arc arms and the feeder line and coupled to a feed source, the center phase output line is connected with the feeder line, and the other end of the center phase output line is connected with a center phase radiation unit. When the rotating arm rotates on the two arc arms, phase difference between two radiation units connected on the slow wave structure arc arm and the center phase radiation unit is two times of the phase difference between two radiation units connected on the fast wave structure arc arm and the center phase radiation unit. The phase shifter disclosed by the utility model has the characteristics of wide range of phase shifting, small size, simple structure and convenient assembly.
Description
Technical field
The utility model relates to communication technical field, relates to the phase shifter of a kind of base station electrical tilt antenna specifically.
Background technology
The size of phase shifter amount of phase shift mainly is by in the phase shifter course of work, the size decision that length of transmission line changes, the amount of phase shift of phase shifter is big, and the length that long transmission line changes will be greatly.But lengthening length of transmission line excursion can be given the technical barrier of stability such as the electric property of bringing a series of amplitudes such as phase shifter, standing-wave ratio, insertion loss again.The shortcoming of existing phase shifter is that amount of phase shift is little and oversize.The little direct tilt angled down that influences antenna pattern of amount of phase shift, the addressing of restriction antenna for base station.Oversize, can dwindle the wiring space of electrical tilt antenna feed system, the complexity when strengthening wiring produces very big influence to antenna electrical performance, and it is attractive in appearance also can to influence antenna, and brings difficulty for follow-up antenna service work.
The utility model content
The task of the utility model is to solve the problems of the technologies described above, and a kind of fast slow wave phase shifter is provided, and the characteristics of this phase shifter are to increase amount of phase shift, and phase shift range is big, and volume is less, and simple in structure, ease of assembly.
Technological means: the utility model discloses the fast slow wave phase shifter of a kind of electrical tilt antenna; Comprise a slow wave structure arc arms, fast wave structure arc arms, feeder line, the defeated line of center phase place and turning arm; Two outputs of slow wave structure arc arms are connected with antenna radiation unit respectively with two outputs of fast wave structure arc arms; The top that turning arm is arranged on two arc arms and feeder line is coupled with two arc arms and feeder line respectively; Center phase place output line is connected with feeder line; The other end of center phase place output line connects center phase place radiating element, and when turning arm rotated on two arc arms, the amount of phase difference that is connected two radiating elements and center phase place radiating element on the slow wave structure arc arms was two times of the amount of phase difference that is connected two radiating elements and center phase place radiating element on year fast wave structure arc arms.
The slow wave structure arc arms is provided with fast wave structure arc arms concentric, and the rotating shaft of said turning arm is identical with the home position of two arc arms.
The radius of slow wave structure arc arms and fast wave structure arc arms is identical and be provided with axisymmetric mode, and feeder line and center phase place output line are arranged on the symmetry axis position of two arc arms; Turning arm is the straightway structure, and rotating shaft is arranged on the center of straightway, and two ends of straightway are provided with coupled end, and coupled end is positioned at the top of two arc arms.
Slow wave structure arc arms, fast wave structure arc arms, turning arm, center phase place output line and feeder line constitute by microstrip structure.
Turning arm is provided with circular-arc coupled end in the corresponding position of two arc arms, and its arc radius is 1/4th phase wavelengths of said phase shifter work resonance frequency.
Feeder line and center phase place output line are quarter-wave impedance conversion line.
Phase shifter comprises dielectric-slab, and slow wave structure arc arms, fast wave structure arc arms, feeder line and center phase place output line all are arranged on the upper surface of dielectric-slab.
Phase shifter comprises the slide plate of being processed by insulating material, and slide plate is rotatably connected with dielectric-slab and has the gap between the two, and said turning arm is arranged on the slide plate, and the upper surface of turning arm plane, place and dielectric-slab is relative.
Beneficial effect: two little band arc arms that fast slow wave phase shifter disclosed in the utility model comprises; Wherein one is circular arc waveshape commonly used at present; Another is the slow wave form; Such as square wave form, sawtooth waveforms form etc., when turning arm rotated on two arc arms, two radiating elements that connect the slow wave structure arc arms and the amount of phase difference of center phase place radiating element were two times of amount of phase difference that are connected two radiating elements and the center phase place radiating element of fast wave structure arc arms; Amount of phase shift is big, when realizing the big angle of declination of main beam, the size of having dwindled phase shifter; The watt level of two coupled end on the rotating shaft place scalable coupled end of coupled end, the inconsistent unequal power of realizing of width that connects little band connecting line of two coupled end simultaneously distributes, to realize Sidelobe Suppression on the antenna; And the symmetrical configuration of this phase shifter, simple, compact, power division be easy to regulate, and adapts to the requirement of base station electrical tilt antenna.
Description of drawings
Fig. 1 is one of structural representation of the utility model;
Fig. 2 be the utility model structural representation two;
Fig. 3 be the utility model structural representation three;
Fig. 4 shows four of structure intention for the utility model;
Fig. 5 is the overall plan figure that has utilized the antenna for base station of this phase shifter.
Embodiment
Like Fig. 1, Fig. 2 and shown in Figure 3; The utility model discloses the fast slow wave phase shifter of a kind of electrical tilt antenna; Comprise the slow wave structure arc arms 11, fast wave structure arc arms 12, feeder line 13 and the center phase place output line 14 that constitute by microstrip structure; Slow wave structure arc arms 11 and fast wave structure arc arms 12 are the center of circle with same point 10 and are provided with axisymmetric mode; Wherein the two ends of slow wave structure arc arms connect the first radiating element F1 and the 5th radiating element F5 respectively, and the two ends of fast wave structure arc arms connect the second radiating element F2 and the 4th radiating element F4 respectively, and center phase place output line 14 is connected with the 3rd radiating element F3; Feeder line 13 is arranged on the symmetry axis position of two arc arms with center phase place output line 14, and both interconnect, and feeder line 13 is quarter-wave impedance conversion line with center phase place output line 14, and its tie point position overlaps with the home position of arc arms.；
Turning arm 2 is arranged on the top of slow wave structure arc arms 11, fast wave structure arc arms 12 and feeder line 13, will be coupled to slow wave structure arc arms 11 and fast wave structure arc arms 12 from the power that feeder line 13 couplings obtain; The rotating shaft 23 of coupling arm 2 overlaps with the center of circle loca 10 of two arc arms; Turning arm 2 is the straightway structure, and rotating shaft 23 is arranged on the center of straightway, and two ends of straightway are provided with coupled end 21, and coupled end 21 is positioned at the top of two arc arms, between coupled end 21 and rotating shaft 23, is transmission line 22.Wherein coupled end 21 is circular-arc, and its arc radius is 1/4th phase wavelengths of phase shifter work resonance frequency.
Connection of this phase shifter and phase change relation are as shown in Figure 5; The phase difference of the first radiating element F1, the second radiating element F2, the 4th radiating element F4 and the 5th radiating element F5 and the 3rd radiating element F3 is respectively Δ P1, Δ P2, Δ P4 and Δ P5; In the turning arm sliding process, its phase relation remains Δ P1=-2 φ, Δ P2=-φ, Δ P4=φ, Δ P5=2 φ.
Can find out that from above-mentioned relation under the identical angle of turning arm rotation, the phase place that adopts the turning arm of slow wave structure to change is to adopt the twice of ordinary construction form structure, thus the phase difference when satisfying antenna downtilt, to reach the purpose of dwindling the phase shifter size.Simultaneously can carry out power division, and distribute to realize unequal power, make antenna realize going up Sidelobe Suppression through the width that changes two transmission lines 22 at loca 10 places, the two arc arms centers of circle.
As shown in Figure 4; Present embodiment is to be a kind of execution mode of substrate with dielectric-slab 1; The dielectric-slab double-sided copper-clad; Do not have the welding zone and all smear green oil, slow wave structure arc arms 11, fast wave structure arc arms 12, feeder line 13, center phase place output line 14 and connecting line 3 all are arranged on the upper surface with dielectric-slab 1; And also comprise the slide plate of processing by insulating material 20, and slide plate 20 single faces cover copper, and full plate is smeared green oil, and slide plate 20 is rotatably connected with dielectric-slab 1 and has the gap between the two, and turning arm 2 is arranged on the slide plate, and the upper surface of turning arm plane, place and dielectric-slab is relative.
Claims (8)
1. fast slow wave phase shifter of electrical tilt antenna; It is characterized in that: said phase shifter comprises a slow wave structure arc arms, fast wave structure arc arms, feeder line, the defeated line of center phase place and turning arm; Two outputs of slow wave structure arc arms are connected with antenna radiation unit respectively with two outputs of fast wave structure arc arms; The top that turning arm is arranged on two arc arms and feeder line is coupled with two arc arms and feed respectively; Center phase place output line is connected with feeder line; The other end of center phase place output line connects center phase place radiating element, and when turning arm rotated on two arc arms, the amount of phase difference that is connected two radiating elements and center phase place radiating element on the slow wave structure arc arms was two times of the amount of phase difference that is connected two radiating elements and center phase place radiating element on year fast wave structure arc arms.
2. the fast slow wave phase shifter of electrical tilt antenna according to claim 1 is characterized in that: said slow wave structure arc arms is provided with fast wave structure arc arms concentric, and the rotating shaft of said turning arm is identical with the home position of two arc arms.
3. the fast slow wave phase shifter of electrical tilt antenna according to claim 2; It is characterized in that: the radius of said slow wave structure arc arms and fast wave structure arc arms is identical and be provided with axisymmetric mode, and feeder line and center phase place output line are arranged on the symmetry axis position of two arc arms;
Said turning arm is the straightway structure, and rotating shaft is arranged on the center of straightway, and two ends of straightway are provided with coupled end, and coupled end is positioned at the top of two arc arms.
4. according to claim 1 or the fast slow wave phase shifter of 2 or 3 described electrical tilt antennas, it is characterized in that: said slow wave structure arc arms, fast wave structure arc arms, turning arm, center phase place output line and feeder line constitute by microstrip structure.
5. the fast slow wave phase shifter of electrical tilt antenna according to claim 4 is characterized in that: said turning arm is provided with circular-arc coupled end in the corresponding position of two arc arms, and its arc radius is 1/4th phase wavelengths of said phase shifter work resonance frequency.
6. the fast slow wave phase shifter of electrical tilt antenna according to claim 4 is characterized in that: said feeder line and center phase place output line are quarter-wave impedance conversion line.
7. according to claim 1 or the fast slow wave phase shifter of 2 or 3 described electrical tilt antennas, it is characterized in that: said phase shifter comprises dielectric-slab, and slow wave structure arc arms, fast wave structure arc arms, feeder line and center phase place output line all are arranged on the upper surface of dielectric-slab.
8. the fast slow wave phase shifter of electrical tilt antenna according to claim 7; It is characterized in that: said phase shifter comprises the slide plate of being processed by insulating material; Slide plate is rotatably connected with dielectric-slab and has the gap between the two; Said turning arm is arranged on the slide plate, and the upper surface of turning arm plane, place and dielectric-slab is relative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201623449U CN202564505U (en) | 2012-04-17 | 2012-04-17 | Electrically adjustable antenna fast/slow wave phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201623449U CN202564505U (en) | 2012-04-17 | 2012-04-17 | Electrically adjustable antenna fast/slow wave phase shifter |
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| Publication Number | Publication Date |
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| CN202564505U true CN202564505U (en) | 2012-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201623449U Expired - Fee Related CN202564505U (en) | 2012-04-17 | 2012-04-17 | Electrically adjustable antenna fast/slow wave phase shifter |
Country Status (1)
| Country | Link |
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| CN (1) | CN202564505U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269647A (en) * | 2014-09-09 | 2015-01-07 | 西安华为技术有限公司 | Phase shifter |
| CN110707398A (en) * | 2019-11-13 | 2020-01-17 | 江苏亨鑫科技有限公司 | Phase shifting device applied to base station electrically-tuned antenna feed network |
| CN113363724A (en) * | 2021-05-31 | 2021-09-07 | 武汉虹信科技发展有限责任公司 | Phase shifter capable of switching wave beams and antenna |
| CN116613489A (en) * | 2023-07-21 | 2023-08-18 | 中天通信技术有限公司 | Phase shifter and antenna assembly |
-
2012
- 2012-04-17 CN CN2012201623449U patent/CN202564505U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110707398A (en) * | 2019-11-13 | 2020-01-17 | 江苏亨鑫科技有限公司 | Phase shifting device applied to base station electrically-tuned antenna feed network |
| CN113363724A (en) * | 2021-05-31 | 2021-09-07 | 武汉虹信科技发展有限责任公司 | Phase shifter capable of switching wave beams and antenna |
| WO2022252420A1 (en) * | 2021-05-31 | 2022-12-08 | 中信科移动通信技术股份有限公司 | Switchable beam phase shifter and antenna |
| CN116613489A (en) * | 2023-07-21 | 2023-08-18 | 中天通信技术有限公司 | Phase shifter and antenna assembly |
| CN116613489B (en) * | 2023-07-21 | 2023-10-17 | 中天通信技术有限公司 | Phase shifter and antenna assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electrically adjustable antenna fast/slow wave phase shifter Effective date of registration: 20150513 Granted publication date: 20121128 Pledgee: China Merchants Bank, Limited by Share Ltd, Guangzhou Ocean Building Branch Pledgor: Guangzhou Sunrise Communication Equipment Co., Ltd. Registration number: 2015990000376 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| 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: 20121128 Termination date: 20200417 |