CN218827754U - Phase shifter with adjustable input and output phases - Google Patents
Phase shifter with adjustable input and output phases Download PDFInfo
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- CN218827754U CN218827754U CN202223494578.6U CN202223494578U CN218827754U CN 218827754 U CN218827754 U CN 218827754U CN 202223494578 U CN202223494578 U CN 202223494578U CN 218827754 U CN218827754 U CN 218827754U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Abstract
The utility model discloses a phase shifter with adjustable input and output phases, which comprises a fixed medium plate, a movable medium plate, a sliding piece pressing piece and a transmission component; the fixed dielectric plate is provided with a fixed line, the movable dielectric plate is provided with a coupling line, the movable dielectric plate is arranged on the fixed dielectric plate, and the coupling line is overlapped with the fixed line; the fixed medium plate is also provided with a first shaft hole, the movable medium plate is provided with a second shaft hole, the sliding piece pressing piece is provided with a rivet, and the rivet is also nailed into the first shaft hole and the second shaft hole to connect the fixed medium plate, the movable medium plate and the sliding piece pressing piece; the transmission assembly comprises a transmission rod and a transmission part, the transmission part is arranged on the transmission rod and can slide on the transmission rod, a guide post is arranged on the transmission part, a transmission rail groove is formed in the movable medium plate, and the guide post is clamped into the transmission rail groove.
Description
The technical field is as follows:
the utility model belongs to the technical field of mobile communication antenna, in particular to looks ware moves with adjustable input/output phase place is equal.
Background art:
as an important component of a wireless communication system, a base station antenna plays an important role in transmitting and receiving wireless communication signals, and the performance of the base station antenna is directly related to the communication quality of the whole communication system. With the rapid development of mobile communication technology, main technologies such as multiband, beam forming, large-scale array and the like have been gradually applied to electrically tunable base station antennas. In order to reduce the size of the sky and ensure good synthetic coverage, the spacing between the arrays is usually 0.5 wavelength of the central frequency point of the antenna, and in order to obtain good isolation between the array ports under the limitation, the arrays are usually required to be arranged in a staggered manner to improve mutual coupling between the arrays and improve the gain and efficiency of unit beams. This also introduces phase center deviations in the vertical direction, which usually need to be compensated for by the manufacturer or by antenna design.
The spatial phase difference caused by the dislocation of the conventional electrically tunable antenna is compensated by designing different feeder line lengths between the radio frequency connector and the phase shifter, so that only a fixed phase difference can be designed, the requirements of different spatial phase difference compensation under different downtilts cannot be met, and further, only a certain angle horizontal plane side lobe can reach the best when wave beams are synthesized, and the theoretical optimal value of the service wave beam horizontal lobe width of other angles is difficult to realize. In view of the above, it is necessary to design a phase shifter with adjustable input and output phases, so that the antenna can achieve high port isolation and gain while having excellent horizontal plane combining side lobe.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
The utility model has the following contents:
an object of the utility model is to provide a move looks ware with equal adjustable input/output phase place to overcome the defect among the above-mentioned prior art.
The utility model provides a phase shifter with adjustable input and output phases, which comprises a fixed medium plate, a movable medium plate, a sliding piece casting part and a transmission component; the fixed dielectric plate is provided with a fixed line, the fixed line comprises an input line and an output line, the movable dielectric plate is provided with a coupling line, the coupling line comprises an input coupling line, an output power distribution coupling line and a matching connection line, and the matching connection line connects the input coupling line and the output power distribution coupling line; the movable dielectric plate is arranged on the fixed dielectric plate, wherein an input coupling line is overlapped with an input line, and an output power distribution coupling line is overlapped with an output line; the fixed medium plate is also provided with a first shaft hole, the movable medium plate is provided with a second shaft hole, the sliding piece pressing piece is provided with a rivet, and the rivet is further nailed into the first shaft hole and the second shaft hole to connect the fixed medium plate, the movable medium plate and the sliding piece pressing piece; the transmission assembly comprises a transmission rod and a transmission part, the transmission part is arranged on the transmission rod and can slide on the transmission rod, a guide post is arranged on the transmission part, a transmission rail groove is formed in the movable medium plate, and the guide post is clamped into the transmission rail groove.
Further, preferably, the input line is composed of a section of circular arc line and a section of single-in single-out line, and the circular arc line is concentric with the first shaft hole.
Further, preferably, the output line is composed of a first output line and a second output line, the first output line and the second output line are both composed of a strip line and an arc line, and the arc line of the first output line and the arc line of the second output line are concentric and have different diameters.
Further, preferably, the output power distribution coupling line is composed of a first output power distribution coupling line and a second output power distribution coupling line, wherein the first output power distribution coupling line overlaps with the first output line, and the second output power distribution coupling line overlaps with the second output line.
Further, preferably, the transmission part is provided with a transmission part hook, and the transmission part hook hooks the transmission rod.
Further, preferably, an elastic pressing piece is provided on the sliding piece pressing piece.
Further, as a preferred option, a metal reference ground is further provided at the bottom of the fixed medium plate.
Further, preferably, the fixed line is disposed above the fixed dielectric slab, and the coupling line is disposed below the moving dielectric slab.
Compared with the prior art, the utility model discloses an aspect has following beneficial effect:
(1) The utility model discloses an input coupling circuit overlaps with the input line, and output power distribution coupling circuit overlaps with the output line, and when the removal dielectric slab moved for fixed dielectric slab, the overlap region of input, output line changed, can realize the synchronization regulation of input phase place and output phase place;
(2) The utility model discloses a circuit all can adopt traditional PCB sculpture technology to process, simple structure, low in manufacturing cost is fit for batch production.
Description of the drawings:
fig. 1 is a schematic diagram of an overall structure of a phase shifter with adjustable input/output phases according to the present invention;
fig. 2 is an exploded view of a phase shifter with adjustable input/output phases according to the present invention;
FIG. 3 is a schematic view of a fixed dielectric plate according to the present invention;
FIG. 4 is a schematic view of a moving media plate of the present invention;
fig. 5 is a schematic diagram of a coupling circuit according to the present invention;
fig. 6, 7 and 8 are schematic views illustrating the movement of the moving medium plate relative to the fixed medium plate according to the present invention;
the reference signs are: 100-fixed medium plate, 110-fixed line, 111-input line, 112-output line, 113-first shaft hole, 114-circular arc line, 115-single-in single-out line, 116-first output line, 117-second output line, 118-metal reference ground, 200-moving medium plate, 210-coupling line, 211-input coupling line, 212-output power distribution coupling line, 213-matching coupling line, 214-second shaft hole, 215-transmission rail groove, 216-first output power distribution coupling line, 217-second output power distribution coupling line, 300-sliding piece, 310-rivet, 320-elastic pressing piece, 400-transmission component, 410-transmission rod, 411-transmission piece, 412-guide column, 413-transmission piece hook.
The specific implementation mode is as follows:
the following detailed description of the embodiments of the present invention is provided, but it should be understood that the scope of the present invention is not limited by the embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Example 1:
as shown in fig. 1-2, a phase shifter with adjustable input/output phases includes a fixed dielectric plate 100, a moving dielectric plate 200, a sliding piece 300, and a transmission assembly 400; a fixed line 110 is arranged on the fixed dielectric slab 100, the fixed line 110 includes an input line 111 and an output line 112, a coupling line 210 is arranged on the movable dielectric slab 200, the coupling line 210 includes an input coupling line 211, an output power distribution coupling line 212 and a matching connection line 213, and the matching connection line 213 connects the input coupling line 211 and the output power distribution coupling line 212; the moving dielectric plate 200 is disposed on the fixed dielectric plate 100, wherein the input coupling line 211 overlaps the input line 111, and the output power distribution coupling line 212 overlaps the output line 112; the fixed dielectric plate 100 is further provided with a first shaft hole 113, the movable dielectric plate 200 is provided with a second shaft hole 214, the sliding piece pressing piece 300 is provided with a rivet 310, the rivet 310 is further nailed into the first shaft hole 113 and the second shaft hole 214, and the fixed dielectric plate 100, the movable dielectric plate 200 and the sliding piece pressing piece 300 are connected; the transmission assembly 400 includes a transmission rod 410 and a transmission member 411, the transmission member 411 is disposed on the transmission rod 410 and can slide on the transmission rod 410, a guide post 412 is disposed on the transmission member 411, the moving medium plate 200 is disposed with a transmission rail slot 215, and the guide post 412 is clamped into the transmission rail slot 215.
As shown in fig. 3, the input line 111 is composed of a segment of circular arc line 114 and a segment of single-in single-out line 115, and the circular arc line 114 is concentric with the first axial hole 113.
As shown in fig. 3, the output line 112 is composed of a first output line 116 and a second output line 117, and the first output line 116 and the second output line 117 are both composed of a strip line and an arc line, wherein the arc line of the first output line 116 and the arc line of the second output line 117 are concentric and have different diameters.
As shown in fig. 4 and 5, the output power distribution coupling line 212 is composed of a first output power distribution coupling line 216 and a second output power distribution coupling line 217, wherein the first output power distribution coupling line 216 overlaps the first output line 116, and the second output power distribution coupling line 217 overlaps the second output line 117.
As shown in fig. 2, the bottom of the fixed dielectric plate 100 is also provided with a metal reference ground 118.
As shown in fig. 2, 3 and 4, the fixed line 110 is disposed above the fixed dielectric slab 100, and the coupling line 210 is disposed below the moving dielectric slab 200.
Example 2:
in embodiment 1, the transmission member 411 is not easy to slide on the transmission rod 410, referring to fig. 2, preferably, the transmission member 411 is provided with a transmission member hook 413, the transmission member hook 413 hooks the transmission rod 410, and the contact surface between the transmission member 411 and the transmission rod 410 is smaller, so that the transmission member 411 can slide on the transmission rod 410 more conveniently.
Example 3:
in embodiment 1, when the moving dielectric plate 200 slides relatively on the fixed dielectric plate 100, the circuit coupling may also be loose, and referring to fig. 2, the sliding piece pressing member 300 is preferably provided with an elastic pressing piece 320. In the sliding process of the moving medium plate 200, the elastic pressing sheet 320 always presses the moving medium plate 200, so that the coupling line 210 on the moving medium plate 200 can be well coupled with the fixed line 110 on the fixed medium plate 100 in the sliding process.
The working principle of the utility model is as follows:
as shown in fig. 1, 6, 7 and 8, when an external force is applied, the driving rod 410 is pushed to move, the driving rod 410 moves to drive the driving member 411 to slide on the driving rod 410, the driving member 411 slides to make the guide post 412 slide in the driving rail slot 215 of the moving dielectric plate 200, so as to drive the moving dielectric plate 200 to relatively rotate on the fixed dielectric plate 100 with the rivet 310 as the center, when the moving dielectric plate 200 slides relative to the fixed dielectric plate 100, the overlapping area of the input coupling line 211 and the input line 111 changes, so that the input phase can be changed, and at the same time, the output power distribution coupling line 212 and the output line 112 overlap and change, so that the output phase can be changed.
The utility model has simple structure, and can realize the synchronous regulation of the input phase and the output phase; and the circuit can be processed by adopting the traditional PCB etching process, the manufacturing cost is low, and the method is suitable for batch production.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (8)
1. A phase shifter with adjustable input and output phases is characterized in that: the device comprises a fixed medium plate, a movable medium plate, a sliding piece pressing piece and a transmission assembly; the fixed dielectric plate is provided with a fixed circuit, the fixed circuit comprises an input circuit and an output circuit, the movable dielectric plate is provided with a coupling circuit, the coupling circuit comprises an input coupling circuit, an output power distribution coupling circuit and a matching connection circuit, and the matching connection circuit communicates the input coupling circuit with the output power distribution coupling circuit; the movable dielectric plate is arranged on the fixed dielectric plate, wherein an input coupling line is overlapped with an input line, and an output power distribution coupling line is overlapped with an output line; the fixed medium plate is also provided with a first shaft hole, the movable medium plate is provided with a second shaft hole, the sliding piece pressing piece is provided with a rivet, and the rivet is also nailed into the first shaft hole and the second shaft hole to connect the fixed medium plate, the movable medium plate and the sliding piece pressing piece; the transmission assembly comprises a transmission rod and a transmission part, the transmission part is arranged on the transmission rod and can slide on the transmission rod, a guide post is arranged on the transmission part, a transmission rail groove is formed in the movable medium plate, and the guide post is clamped into the transmission rail groove.
2. A phase shifter with adjustable input and output phases as claimed in claim 1, wherein: the input line consists of a section of circular arc line and a section of single-in and single-out line, and the circular arc line is concentric with the first shaft hole.
3. A phase shifter with adjustable input and output phases as claimed in claim 1, wherein: the output line is composed of a first output line and a second output line, the first output line and the second output line are composed of strip lines and arc lines, and the arc lines of the first output line and the arc lines of the second output line are concentric and have different diameters.
4. A phase shifter with adjustable input and output phases as claimed in claim 3, wherein: the output power distribution coupling line is composed of a first output power distribution coupling line and a second output power distribution coupling line, wherein the first output power distribution coupling line is overlapped with the first output line, and the second output power distribution coupling line is overlapped with the second output line.
5. A phase shifter with adjustable input and output phases as claimed in claim 1, wherein: the transmission part is provided with a transmission part clamping hook which is used for clamping the transmission rod.
6. A phase shifter in accordance with claim 1, wherein each of said input and output phases is adjustable: and an elastic pressing sheet is arranged on the sliding sheet pressing piece.
7. A phase shifter in accordance with claim 1, wherein each of said input and output phases is adjustable: and a metal reference ground is also arranged at the bottom of the fixed medium plate.
8. A phase shifter with adjustable input and output phases as claimed in claim 1, wherein: the fixed circuit is arranged above the fixed dielectric plate, and the coupling circuit is arranged below the movable dielectric plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223494578.6U CN218827754U (en) | 2022-12-27 | 2022-12-27 | Phase shifter with adjustable input and output phases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223494578.6U CN218827754U (en) | 2022-12-27 | 2022-12-27 | Phase shifter with adjustable input and output phases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218827754U true CN218827754U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223494578.6U Active CN218827754U (en) | 2022-12-27 | 2022-12-27 | Phase shifter with adjustable input and output phases |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218827754U (en) |
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2022
- 2022-12-27 CN CN202223494578.6U patent/CN218827754U/en active Active
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