CN202259603U - Phase shifter - Google Patents
Phase shifter Download PDFInfo
- Publication number
- CN202259603U CN202259603U CN2011203378964U CN201120337896U CN202259603U CN 202259603 U CN202259603 U CN 202259603U CN 2011203378964 U CN2011203378964 U CN 2011203378964U CN 201120337896 U CN201120337896 U CN 201120337896U CN 202259603 U CN202259603 U CN 202259603U
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- CN
- China
- Prior art keywords
- wiring board
- phase shifter
- microstrip
- power splitter
- slip
- 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 - Lifetime
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- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The utility model relates to a phase shifter, which comprises a power divider circuit board, a coupling medium layer and sliding circuit boards, wherein the power divider circuit board is provided with a microstrip transmission line; the coupling medium layer is covered on the microstrip transmission line; the sliding circuit boards are provided with a second conductive line respectively, and are arranged on the power divider circuit board, so that the microstrip transmission line and the second conductive lines are combined through the coupling medium layer to form a microstrip coupled transmission line. The structure of the whole phase shifter is formed by the close contact of a plurality of layers of circuit boards; therefore, compared with the prior art, the phase shifter has a smaller overall volume, and is applied to the multi-frequency realization and miniaturization of an antenna.
Description
[technical field]
The utility model relates to a kind of communication apparatus, more particularly, relates to employed phase shifter in a kind of antenna for base station.
[background technology]
In GSM, the angle of declination of antenna for base station is disturbed by coverage, the adjacent area of institute's coverage cell and soft handover all has significant effects.Adjustable electric angle of declination antenna can be realized the real time altering of antenna for base station lower decline angle continuously, and significant role has been played in the network optimization of mobile communication, therefore in mobile communications network, has obtained number of applications.
The fast development of mobile communication; Wilderness demand to the antenna for base station of all kinds of standards has caused each roof in the city increasing antenna, the visual pollution of being brought thus to occur; People have brought the increasing pressure for setting up of base station to the pressure at heart of electromagnetic radiation.Hope more miniaturization of antenna for base station, integrated, the cry of multifrequencyization is also increasing.
Phase shifter is the core parts of continuous adjustable electric angle of declination antenna; Realize dynamically variation continuously through phase shifter to the phase delay of each radiating element feed signal of antenna for base station; Thereby realize the continuous adjustment of antenna elevation radiation patytern beam position, so the performance of phase shifter there is conclusive effect for the performance of antenna for base station.At antenna miniaturization; Integrated, in the agitation of multifrequencyization, the number of required phase shifter sharply increases in the antenna; The version that phase shifter adopts all has very big influence to layout, cost and the productibility etc. of antenna for base station inside, presses for the phase shifter of a kind of high-performance, miniaturization.
Traditional phase shifter design method problem is exactly that the volume of whole phase shifter is too big, has taken very big space, antenna inside, is unfavorable for the miniaturization and the multifrequencyization of antenna.Assembling is complicated also should to have brought big pressure to antenna production and cost control simultaneously.
[utility model content]
The technical problem that the utility model will solve is, and is excessive to phase shifter volume in the prior art, is unfavorable for the miniaturization of antenna and the problem of multifrequencyization, provides a kind of volume littler phase shifter.
The utility model solves the technical scheme that its technical problem adopted: construct a kind of phase shifter; Comprise the power splitter wiring board that is provided with microstrip, cover couplant layer on the said microstrip, be provided with the slip wiring board of second conductor line; Said slip wiring board is slidingly arranged on the said power splitter wiring board, makes the said microstrip and second conductor line be combined to form microstrip coupled transmission line through the couplant layer.
In the said phase shifter of above-mentioned the utility model, also comprise being fixed on the said power splitter wiring board and cover plate, first end that the outside is provided with slide rail are slidingly arranged in the said slide rail and the slide bar that second end is fixedly connected with the slip wiring board that is positioned at said cover plate inboard.
In the said phase shifter of above-mentioned the utility model, said cover plate is provided with the location notch that supplies said slip wiring board to slide towards a side of said power splitter wiring board, and the bottom of said location notch is provided with the positioning through hole that matches with said slide bar.
In the said phase shifter of above-mentioned the utility model, said slide bar second end is provided with elastic pressuring plate, and said slip wiring board is embedded in the side of said elastic pressuring plate towards said power splitter wiring board.
In the said phase shifter of above-mentioned the utility model, said elastic pressuring plate is provided with the draw-in groove of fixing said slip wiring board towards said power splitter wiring board one side; Said elastic pressuring plate is provided with the elasticity salient point to upper process towards a side of said cover plate.
In the said phase shifter of above-mentioned the utility model, the microstrip of said power splitter wiring board comprises first conductor line that said power splitter wiring board is provided with towards slip wiring board one side; Second conductor line of said slip wiring board and the position of said first conductor line adapt and make both zones that overlaps.
In the said phase shifter of above-mentioned the utility model, second conductor line on the said slip wiring board is set to U-shaped, comprises two parallel conductor circuits and the bonding conductor circuit that connects these two parallel conductor circuit ends; Microstrip on said two parallel conductor circuits and the said power splitter wiring board is overlapped.
In the said phase shifter of above-mentioned the utility model, comprise two or more than two slip wiring board, said power splitter wiring board correspondence is provided with and the same number of microstrip of the wiring board that slides.
Implement the food processor base used specially of the utility model; Have following beneficial effect: the power splitter wiring board mainly is that each radiation unit of not antenna distributes certain power; The power splitter wiring board is provided with microstrip; And on microstrip, closely cover one deck couplant, and the slip wiring board is set on couplant again, second conductor line on the slip wiring board and the microstrip on the power splitter wiring board are formed microstrip coupled transmission line through couplant; Can change the length of microstrip coupled transmission line through slip wiring board just moving on the couplant layer, thereby change the function of the phase place realization phase shift of signal.Constitute because overall structure is a multilayer circuit board, and smooth and easy the moving of tight contact between the multilayer circuit board and slip wiring board is to lean on elastic pressuring plate that the combination of cover plate and slide bar realizes.In terms of existing technologies, the volume of whole phase shifter is littler, and is applicable to the multifrequencyization of antenna.Further; Group number through the microstrip on the power splitter wiring board that increases slip wiring board and correspondence; Just can realize to adjust being multiplied of phase place; Thereby reach the requirement of the different electrical tilt antenna of radiating element number, and that overall volume increases is considerably less, more is applicable to the multifrequencyization and the miniaturization of antenna.In addition, the phase shifter package that the mode that adopts multilayer circuit board to be coupled realizes, compact conformation is small and exquisite, and it is little to take up room, and in practical application, has obtained good effect.Electric property is stable in the phase shift process, and the phase shifter loss is low.Owing to adopt the form of microstrip coupled transmission line, the circuit between different layers does not have direct contact, has improved the passive intermodulation of antenna in phase shifter package.
[description of drawings]
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the structure assembling sketch map of the said phase shifter of the utility model
Fig. 2 is the top view of power splitter wiring board in the phase shifter
Fig. 3 is the sketch map of coupling circuit plate in the phase shifter
Fig. 4 is a circuit coupling sketch map in the phase shifter
Fig. 5 is the sketch map of compressing tablet in the phase shifter
Fig. 6 is the sketch map of phase shifter cover plate.
[embodiment]
As shown in Figure 1, in the preferred embodiment of the said phase shifter of the utility model, comprise power splitter wiring board 1, couplant layer 2, slip wiring board 3, elastic pressuring plate 4, cover plate 5 and slide bar 6.Wherein the power splitter wiring board 1, and couplant layer 2, slip wiring board 3 are combined to form a complete microwave signal path; And elastic pressuring plate 4 can be closely linked power splitter wiring board 1, couplant layer 2, slip wiring board 3 with cover plate 5; Slide bar 6 can be crossed and drag slip wiring board 3 along 1 slip of power splitter wiring board, has realized the function of microwave signal path signal phase place adjustment.
Particularly; As shown in Figure 2; Power splitter wiring board 1 is carved with the first parallel conductor line towards a lateral erosion of slip wiring board, and the metal ground plate (not shown) of first conductor line and power splitter wiring board 1 opposite side has constituted two microstrip 101,102.Above microstrip 101,102, be provided with couplant layer 2, this couplant layer 2 covers on the microstrip 101,102.
As shown in Figure 3, on slip wiring board 3, second conductor line 31 is arranged towards corresponding microstrip 101, the 102 place's etchings of a side of power splitter wiring board, this second conductor line is set to U-shaped.This second conductor line 31 comprises two parallel conductor circuits 301,302 and the bonding conductor circuit 303 that connects two parallel conductor circuit ends, and this bonding conductor circuit is vertical with two parallel conductor circuits.
As shown in Figure 4, when the slip wiring board is slidingly arranged on the power splitter wiring board, the parallel conductor circuit 301,302 in second conductor line lay respectively at the power splitter wiring board microstrip 101,102 directly over; Wherein, parallel conductor circuit 301 and microstrip 101 are parallel and overlap, and parallel conductor circuit 302 and microstrip 102 are parallel and overlap.
As shown in Figure 5; Be with an elastic pressuring plate 4 on the slip wiring board 3; This elastic pressuring plate 4 is nonmetal plastic mediums; Be provided with draw-in groove 401 at elastic pressuring plate towards a side of said power splitter wiring board, the slip wiring board is embedded in draw-in groove 401, can be closely linked slip wiring board 3 and elastic pressuring plate 4; Side towards the power splitter wiring board on elastic pressuring plate 4 is provided with a plurality of resilient contacts 402; On elastic pressuring plate 4, also be provided with reference column 403, this reference column 403 vertically upward.
As shown in Figure 6, above elastic pressuring plate 4 and slip wiring board 3, be provided with cover plate 5, in cover plate 5, have location notch 501, the width of location notch 501 just holds elastic pressuring plate 4 and slip wiring board 3.In location notch 501, elastic pressuring plate 4 can move freely along the length direction of location notch 501 with slip wiring board 3.Elastic pressuring plate 4 contacts with location notch 501 through several resilient contacts 402, through the degree of depth of rational control location notch 501, the elastic pressuring plate 4 of band slip wiring board is slided in the location notch 501 of cover plate; 402 pairs of slip wiring boards of resilient contact on the elastic pressuring plate 43 produce an elastic pressure; This elastic pressure can make and keep a closely contact between slip wiring board 3 and the couplant layer 2; Prevent simultaneously because pressure when excessive slip wiring board 3 can't slide; Contact defective tightness between slip wiring board 3 and the couplant layer 2 when perhaps pressure is too small, thereby influence the situation of microstrip coupled transmission line 311,312 degrees of coupling.
Also have a location through hole 503 in the middle of the location notch 501 of cover plate 3; The reference column 403 that this positioning through hole 503 is designed to just can hold on the elastic pressuring plate 4 passes through; Be connected with these reference columns 403 through a slide bar 6, the slip wiring board 3 that moves in the location notch 501 that just can drive cover plate of slide bar 6 slides with the length direction of elastic pressuring plate 4 along location notch 501.
As shown in Figure 4, along with the slip of slip wiring board 3, microstrip coupled transmission line 311; Variation has taken place in 312 coupling line segment length; This variation makes the length of microwave coupled transmission line 311,312 that variation take place, thereby has changed the signal phase of microwave coupled transfer circuit 13; Realized the function of microwave signal phase shift, glide direction is identical with the antenna beam downdip direction.What need to explain is, because taked the mode of this microwave coupled transfer circuit phase shift, in the phase shift process, the microstrip 101,102 on the power splitter wiring board 1 does not directly contact with conductor line 301,302 on the slip wiring board.
In this preferred embodiment, comprise two slip wiring boards 3, corresponding cover plate, 5 are provided with two location notchs 501, are equipped with elastic pressuring plate 4 in each draw-in groove 401, and slip wiring board 3 is embedded respectively on the elastic pressuring plate 4 of correspondence.Power splitter wiring board 1 is provided with two groups of microstrip, and the couplant layer covers on two groups of microstrip simultaneously, forms two groups of microstrip coupled transmission lines respectively at two slip wiring boards.
The above embodiment has only expressed several kinds of execution modes of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection range of the utility model.Therefore, the protection range of the utility model patent should be as the criterion with accompanying claims.
Claims (8)
1. phase shifter; It is characterized in that; Comprise the power splitter wiring board that is provided with microstrip, cover couplant layer on the said microstrip, be provided with the slip wiring board of second conductor line; Said slip wiring board is slidingly arranged on the said power splitter wiring board, makes the said microstrip and second conductor line be combined to form microstrip coupled transmission line through the couplant layer.
2. according to the said phase shifter of claim 1; It is characterized in that, also comprise being fixed on the said power splitter wiring board and cover plate, first end that the outside is provided with slide rail are slidingly arranged in the said slide rail and the slide bar that second end is fixedly connected with the slip wiring board that is positioned at said cover plate inboard.
3. according to the said phase shifter of claim 2, it is characterized in that said cover plate is provided with the location notch that supplies said slip wiring board to slide towards a side of said power splitter wiring board, the bottom of said location notch is provided with the positioning through hole that matches with said slide bar.
4. according to the said phase shifter of claim 3, it is characterized in that said slide bar second end is provided with elastic pressuring plate, said slip wiring board is embedded in the side of said elastic pressuring plate towards said power splitter wiring board.
5. according to the said phase shifter of claim 4, it is characterized in that said elastic pressuring plate is provided with the draw-in groove of fixing said slip wiring board towards said power splitter wiring board one side; Said elastic pressuring plate is provided with the elasticity salient point to upper process towards a side of said cover plate.
6. according to the said phase shifter of claim 1, it is characterized in that the microstrip of said power splitter wiring board comprises first conductor line that said power splitter wiring board is provided with towards slip wiring board one side; Second conductor line of said slip wiring board and the position of said first conductor line adapt and make both zones that overlaps.
7. according to the said phase shifter of claim 6, it is characterized in that second conductor line on the said slip wiring board is set to U-shaped, comprise two parallel conductor circuits and the bonding conductor circuit that connects these two parallel conductor circuit ends; Microstrip on said two parallel conductor circuits and the said power splitter wiring board is overlapped.
8. according to each said phase shifter in the claim 1 to 7, it is characterized in that, comprise two or more than two slip wiring board, said power splitter wiring board correspondence is provided with and the same number of microstrip of the wiring board that slides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203378964U CN202259603U (en) | 2011-09-09 | 2011-09-09 | Phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203378964U CN202259603U (en) | 2011-09-09 | 2011-09-09 | Phase shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202259603U true CN202259603U (en) | 2012-05-30 |
Family
ID=46120797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203378964U Expired - Lifetime CN202259603U (en) | 2011-09-09 | 2011-09-09 | Phase shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202259603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110300387A (en) * | 2019-05-24 | 2019-10-01 | 浙江大学 | High speed jam-resistant communication system and its method in the connection of multisensor guide rail |
-
2011
- 2011-09-09 CN CN2011203378964U patent/CN202259603U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110300387A (en) * | 2019-05-24 | 2019-10-01 | 浙江大学 | High speed jam-resistant communication system and its method in the connection of multisensor guide rail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN GUOREN COMMUNICATION CO., LTD. Free format text: FORMER OWNER: GUOREN COMMUNICATION CO LTD., SHENZHEN Effective date: 20150825 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150825 Address after: 518000 Guangdong city of Shenzhen province Nanshan District high tech park of science and technology in three Chinese central road building A building room 13F1303 Patentee after: Shenzhen compatriots limited company that communicates by letter Address before: 518000 Guangdong city of Shenzhen province Nanshan District high tech Park District in three road of Chinese science and technology building B building 3F and building A 15F Patentee before: Guoren Communication Co., Ltd., Shenzhen |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |