CN210403978U - Single-pole multi-throw switch suitable for wave beam switching antenna - Google Patents
Single-pole multi-throw switch suitable for wave beam switching antenna Download PDFInfo
- Publication number
- CN210403978U CN210403978U CN201921913522.5U CN201921913522U CN210403978U CN 210403978 U CN210403978 U CN 210403978U CN 201921913522 U CN201921913522 U CN 201921913522U CN 210403978 U CN210403978 U CN 210403978U
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- pcb
- multilayer board
- communication connection
- switching
- sliding block
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Abstract
The utility model provides a low-cost single-pole multi-throw switch suitable for a wave beam switching antenna, which can realize the mode switching of a multi-mode base station antenna and comprises a PCB multi-layer board; the PCB multilayer board is provided with a slide block, and the tail part of the slide block is hinged on the PCB multilayer board through a rotating shaft and can slide; the PCB multilayer board is provided with at least three coupling points which are distributed in a fan shape, the inner surface layer of the sliding block is provided with a microstrip line, and the microstrip line is connected with the main port through surface layer wiring on the PCB multilayer board; each coupling point is respectively in communication connection with a switching port on the PCB multilayer board through a strip line, and each switching port is respectively in communication connection with a corresponding antenna module through a coaxial cable; when the movable end of the sliding block rotates through the rotating shaft at the tail part of the sliding block and is arranged at the coupling point, the microstrip line is in contact with the coupling point to realize communication connection.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to a single-pole multi-throw switch suitable for wave beam switches antenna.
Background
With the development of communication technology, the popularity of communication terminals such as mobile phones and the like is greatly increased, and the requirements for coverage and capacity of base stations are also increased. Because the available position for erecting the base station is limited, the cost and the construction difficulty of erecting the multi-mode antenna at the same site are far superior to those of a plurality of single-mode antennas, so that the existing base station antenna tends to coexist in multiple modes, namely, one antenna comprises a plurality of single-mode antennas with different radiation ranges or frequency bands, and the use modes of the antenna are quickly switched through a radio frequency circuit switch. Currently, single-pole double-throw mechanical switches are used in the industry, and the switches have the advantages that the switching of two-way modes can be freely realized, the cost is low, and the defects that the switching of more than two-way modes cannot be realized; another switch mode is an electronic switch, which can realize multi-way mode switching, but has a limitation in its wide range of applications due to its high cost.
Disclosure of Invention
An object of the utility model is to overcome prior art's is not enough, adapts to reality needs, provides a low-cost single-pole multi-throw switch who is applicable to beam switching antenna, and it can realize the mode switch of multimode base station antenna.
In order to realize the utility model discloses a purpose, the utility model discloses the technical scheme who adopts does:
a single-pole multi-throw switch suitable for a beam switching antenna is designed, and comprises a PCB multi-layer board; the PCB multilayer board is provided with a slide block, and the tail part of the slide block is hinged on the PCB multilayer board through a rotating shaft and can slide; the PCB multilayer board is provided with at least three coupling points which are distributed in a fan shape,
the inner surface layer of the sliding block is provided with a microstrip line, and the microstrip line is connected with the main port through surface layer wiring on a PCB multi-layer board; each coupling point is respectively in communication connection with a switching port on the PCB multilayer board through a strip line, and each switching port is respectively in communication connection with a corresponding antenna module through a coaxial cable;
when the movable end of the sliding block rotates through the rotating shaft at the tail part of the sliding block and is arranged at the coupling point, the microstrip line is in contact with the coupling point to realize communication connection.
The front end face of the PCB multilayer board is of a fan-shaped structure, and at least three coupling points are distributed at the end part of the fan-shaped surface.
The left side and the right side of the front end face of the PCB multi-layer board with the fan-shaped structure are respectively provided with a limiting groove.
The front end of slider is equipped with the fixed part, and this fixed part extends to the outside of PCB multiply wood, seted up at least one fixed orifices on the fixed part.
The strip line is located in the middle layer of the PCB multilayer board, and the coupling point is in communication connection with the strip line, and the strip line is in communication connection with the surface layer wiring through the metalized via hole.
The beneficial effects of the utility model reside in that:
the design has simple structure, easy realization and low manufacturing cost, and can realize the mode switching of the multimode base station antenna in use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in another state;
fig. 3 is a schematic cross-sectional view of the fixing portion of the present design after being engaged with a PCB multi-layer board.
Detailed Description
The invention will be further described with reference to the following figures and examples:
example 1: a single pole, multiple throw switch suitable for use in a beam switching antenna, see figures 1 to 3.
It comprises a PCB multilayer board 11; the PCB multilayer board 11 is provided with a slide block 7, and the tail part of the slide block 7 is hinged on the PCB multilayer board 11 through a rotating shaft 8 and can slide; the PCB multilayer board 11 is provided with three coupling points 6, the front end face of the PCB multilayer board 11 is of a fan-shaped structure, and the coupling points 6 are distributed at the end part of the fan-shaped surface in a fan shape.
Further, a microstrip line is arranged on the inner surface layer of the slider 7 and connected with a main port 10 through a surface layer wire 9 on the PCB multilayer board; each coupling point 6 is respectively in communication connection with a switching port 1, a switching port 2 and a switching port 3 on a PCB multi-layer board 11 through a strip line 12, and the switching port 1, the switching port 2 and the switching port 3 are respectively in communication connection with an antenna module 1, an antenna module 2 and an antenna module 3 in a multi-mode antenna through a coaxial cable 5.
Furthermore, in the design, a fixing part 4 is arranged at the front end of the sliding block 7, the fixing part 4 extends to the outside of the PCB multi-layer board, at least one fixing hole 16 is formed in the fixing part 4, the sliding block can be connected with an external transmission structure through the fixing hole, and adjustment of the position of the sliding block is achieved (the designed switch is located in the antenna housing, an antenna cannot be disassembled in practical use, a switching port drives the sliding block to change through a reserved transmission structural part and stays at a specific position, and the transmission structural part is not part of the switch, so that the switch is not drawn in the text).
Furthermore, the tail end of the fixing part is of an inverted U-shaped clamping piece 17 structure, one side plate of the inverted U-shaped clamping piece 17 is connected with the front end of the sliding block 7, the inverted U-shaped clamping piece 17 is clamped on the PCB multi-layer board 11, and the two side plates of the inverted U-shaped clamping piece 17 are respectively located on the two sides of the PCB multi-layer board and are respectively in close contact with the two side walls of the PCB multi-layer board.
Furthermore, in the design, the left side and the right side of the front end face of the PCB multi-layer board with the fan-shaped structure are respectively provided with a limiting groove 17, and the limiting of the sliding block is realized through the limiting grooves so as to prevent the sliding block from being in contact with other port surface layer circuits due to the overlarge sliding range and causing short circuit.
In this design, the stripline is located the intermediate level (prior art) of PCB multiply wood, because the stripline can reduce the coupling interference of outside electromagnetic environment to walking the line, can effectively guarantee switch signal transmission's stability. The coupling points are in communication connection with the strip lines, the strip lines and the surface layer wires respectively through metallized via holes 13 (prior art).
When the single-pole multi-throw switch suitable for the wave beam switching antenna is used, the sliding block slides left and right through the rotating shaft at the tail part, when the movable end of the sliding block rotates through the rotating shaft at the tail part of the sliding block and is arranged at the coupling point, the microstrip line is in contact with the coupling point to realize communication connection, and the fixed part can fix the adjusted sliding block.
As shown in fig. 1, the surface layer routing is divided into four ports, a main port and three switching ports 1, 2 and 3, and as shown in fig. 2, the slider with the microstrip line can be respectively contacted with the coupling points connected with the three switching ports under the driving of the fixing portion, and the lines are communicated in a tight coupling manner, so that the switching function of the connection between the main port and each sub-port is realized.
The switch ports 1, 2 and 3 on the switch are respectively connected with the antenna module containing 3 wave beam forms through coaxial cables, when the slide block slides to the coupling point corresponding to the switch port 1, the antenna module 1 is communicated with the main port to work, so that the antenna working mode is switched to the wave beam of the antenna module 1, and the switch of the antenna module 2 and the switch of the module 3 can be realized in the same way.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (4)
1. A single-pole multi-throw switch suitable for a beam switching antenna comprises a PCB multi-layer board; the method is characterized in that: the PCB multilayer board is provided with a slide block, and the tail part of the slide block is hinged on the PCB multilayer board through a rotating shaft and can slide; the PCB multilayer board is provided with at least three coupling points which are distributed in a fan shape,
the inner surface layer of the sliding block is provided with a microstrip line, and the microstrip line is connected with the main port through surface layer wiring on a PCB multi-layer board; each coupling point is respectively in communication connection with a switching port on the PCB multilayer board through a strip line, and each switching port is respectively in communication connection with a corresponding antenna module through a coaxial cable;
when the movable end of the sliding block rotates through the rotating shaft at the tail part of the sliding block and is arranged at the coupling point, the microstrip line is in contact with the coupling point to realize communication connection.
2. The single-pole, multi-throw switch suitable for use in a beam-switching antenna of claim 1, wherein: the front end face of the PCB multilayer board is of a fan-shaped structure, and at least three coupling points are distributed at the end part of the fan-shaped surface.
3. The single-pole, multi-throw switch adapted for use in a beam-switching antenna of claim 2, wherein: the front end of slider is equipped with the fixed part, and this fixed part extends to the outside of PCB multiply wood, seted up at least one fixed orifices on the fixed part.
4. The single-pole, multi-throw switch suitable for use in a beam-switching antenna of claim 1, wherein: the strip line is located in the middle layer of the PCB multilayer board, and the coupling point is in communication connection with the strip line, and the strip line is in communication connection with the surface layer wiring through the metalized via hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921913522.5U CN210403978U (en) | 2019-11-07 | 2019-11-07 | Single-pole multi-throw switch suitable for wave beam switching antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921913522.5U CN210403978U (en) | 2019-11-07 | 2019-11-07 | Single-pole multi-throw switch suitable for wave beam switching antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210403978U true CN210403978U (en) | 2020-04-24 |
Family
ID=70343497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921913522.5U Expired - Fee Related CN210403978U (en) | 2019-11-07 | 2019-11-07 | Single-pole multi-throw switch suitable for wave beam switching antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210403978U (en) |
-
2019
- 2019-11-07 CN CN201921913522.5U patent/CN210403978U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20200424 Termination date: 20211107 |