CN203705644U - GPS multi-antenna switching, sharing and multiplexing device - Google Patents
GPS multi-antenna switching, sharing and multiplexing device Download PDFInfo
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- CN203705644U CN203705644U CN201420074453.4U CN201420074453U CN203705644U CN 203705644 U CN203705644 U CN 203705644U CN 201420074453 U CN201420074453 U CN 201420074453U CN 203705644 U CN203705644 U CN 203705644U
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- gps
- gps receiver
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- mcu control
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Abstract
The utility model relates to the field of electronic measurement, in particular to a GPS multi-antenna switching, sharing and multiplexing device, which comprises multi-path GPS antennas, a GPS receiver, an RF coupling network, power supply modules and an MCU control unit, wherein the GPS receiver is connected with an output end of the RF coupling network, the multi-path GPS antennas are connected with an input end of the RF coupling network, an output end of the MCU control unit is connected with the multi-path GPS antennas through the power supply modules, the GPS receiver is connected with one power supply module, the output of the MCU control module is further connected with a strobe end of the power supply module of the GPS receiver. The GPS multi-antenna switching, sharing and multiplexing device supports the multi-path GPS antennas, the number of the antennas can be up to more than 12 paths, the number the antennas is flexibly configured, the antenna voltages are adjustable, the insertion loss is low, the power consumption is low, and the cost of the switching device is low; and one GPS receiver can be used, and the receiving of signals of multiple GPS antennas more than 12 paths can be realized at a low cost.
Description
Technical field
The utility model relates to electronic surveying field, is specifically related to the many antennas of a kind of GPS and switches shared multiplexer.
Background technology
GPS(GPS) there are the advantages such as high precision, round-the-clock, robotization, be applied to mapping, navigation, communication and other field just increasingly extensively.GPS monitoring system based on carrier phase difference, need to be equipped with in each monitoring point a gps antenna and a GPS receiver, causes system cost very high.The another domestic many antennas of GPS of once developing switch shared multiplexer, and the mode of employing microwave multichannel chip realizes the switching of multichannel antenna signal, but shortcoming is the port number that is limited to chip, and common 2,4,8 passages, are difficult to realize more hyperchannel.
Utility model content
The purpose of this utility model is to provide the many antennas of a kind of GPS to switch shared multiplexer, and the switching cost that solves the many antennas of existing GPS is high, and the limited problem of passage of signal switching.
For solving above-mentioned technical matters, the utility model is by the following technical solutions: the many antennas of a kind of GPS switch shares multiplexer, comprise the gps antenna of multichannel, GPS receiver, RF-coupled network, power module and MCU control module, described GPS receiver is connected with RF-coupled network output, the gps antenna of described multichannel is connected with the input end of RF-coupled network respectively, the output terminal of described MCU control module output and the gps antenna of multichannel are connected by power module respectively, described GPS receiver is connected with power module, MCU control module output is also connected with the gating end of the power module of GPS receiver.
Further technical scheme is, described MCU control module comprises that MCU microcontroller, code translator, 485/CAN/UART control mouth and status indicator lamp.
Further technical scheme is, described RF-coupled network comprises the RF-coupled electric capacity with gps antenna series connection described in each road, and and the RF-coupled electric capacity of GPS receiver series connection, and described in each road the RF-coupled electric capacity of gps antenna series connection parallel with one another after with the RF-coupled capacitances in series of connecting with GPS receiver.
Compared with prior art, the beneficial effects of the utility model are: support Multichannel GPS antenna, and more than antenna amount Ke Da 12 tunnels, the configuration of antenna amount flexible configuration, aerial voltage is adjustable, and insertion loss is little, low in energy consumption, and the cost of switching device shifter is lower.Can use a GPS receiver, realize the reception that exceedes many gps antennas signals more than 12 tunnels with lower cost.
Brief description of the drawings
Fig. 1 is that the many antennas of a kind of GPS of the utility model switch the connection layout of sharing an embodiment of multiplexer.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the many antennas of a kind of GPS of the utility model and switches an embodiment who shares multiplexer: the many antennas of a kind of GPS switch shares multiplexer, comprise the gps antenna of multichannel, GPS receiver, RF-coupled network, power module and MCU control module, described GPS receiver is connected with RF-coupled network output, the gps antenna of described multichannel is connected with the input end of RF-coupled network respectively, the output terminal of described MCU control module output and the gps antenna of multichannel are connected by power module respectively, described GPS receiver is connected with power module, MCU control module output is also connected with the gating end of the power module of GPS receiver.
Further technical scheme is, described MCU control module comprises that MCU microcontroller, code translator, 485/CAN/UART control mouth and status indicator lamp.MCU control module is by 485/CAN/UART and external device communication; can receive external command; control the break-make of the corresponding gps antenna power supply of each electric power source pair of module; and the break-make of control GPS receiver power supply; gating or close GPS receiver power supply; control GPS receiver powered operation or power-off and shut down, can reduce system power dissipation.
Further technical scheme is, described RF-coupled network comprises the RF-coupled electric capacity with gps antenna series connection described in each road, and and the RF-coupled electric capacity of GPS receiver series connection, after parallel with one another with the RF-coupled electric capacity of gps antenna series connection described in each road, with the RF-coupled capacitances in series of connecting with GPS receiver, RF-coupled network has the conforming advantage of high channel of low distribution parameter.
In the various embodiments described above, described gps antenna connects respectively power module, realizes antenna branch is powered separately, and adjust the voltage of output.
Claims (3)
1. the many antennas of GPS switch shared multiplexer, it is characterized in that: the gps antenna, GPS receiver, the RF-coupled network that comprise multichannel, power module and MCU control module, described GPS receiver is connected with RF-coupled network output, the gps antenna of described multichannel is connected with the input end of RF-coupled network respectively, the output terminal of described MCU control module output and the gps antenna of multichannel are connected by power module respectively, described GPS receiver is connected with power module, and MCU control module output is also connected with the gating end of the power module of GPS receiver.
2. the many antennas of a kind of GPS according to claim 1 switch shared multiplexer, it is characterized in that: described MCU control module comprises that MCU microcontroller, code translator, 485/CAN/UART control mouth and status indicator lamp.
3. the many antennas of a kind of GPS according to claim 1 switch shared multiplexer, it is characterized in that: described RF-coupled network comprises the RF-coupled electric capacity with gps antenna series connection described in each road, and and the RF-coupled electric capacity of GPS receiver series connection, and described in each road the RF-coupled electric capacity of gps antenna series connection parallel with one another after with the RF-coupled capacitances in series of connecting with GPS receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074453.4U CN203705644U (en) | 2014-02-20 | 2014-02-20 | GPS multi-antenna switching, sharing and multiplexing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074453.4U CN203705644U (en) | 2014-02-20 | 2014-02-20 | GPS multi-antenna switching, sharing and multiplexing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705644U true CN203705644U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420074453.4U Expired - Fee Related CN203705644U (en) | 2014-02-20 | 2014-02-20 | GPS multi-antenna switching, sharing and multiplexing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203705644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017121184A1 (en) * | 2016-01-14 | 2017-07-20 | 深圳前海达闼云端智能科技有限公司 | Radio frequency front-end circuit and terminal |
-
2014
- 2014-02-20 CN CN201420074453.4U patent/CN203705644U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017121184A1 (en) * | 2016-01-14 | 2017-07-20 | 深圳前海达闼云端智能科技有限公司 | Radio frequency front-end circuit and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20160220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |