CN107132557A - Gps signal intelligent shunt circuit system - Google Patents
Gps signal intelligent shunt circuit system Download PDFInfo
- Publication number
- CN107132557A CN107132557A CN201710396794.1A CN201710396794A CN107132557A CN 107132557 A CN107132557 A CN 107132557A CN 201710396794 A CN201710396794 A CN 201710396794A CN 107132557 A CN107132557 A CN 107132557A
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- power splitter
- module
- antenna
- control module
- main frame
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- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000007726 management method Methods 0.000 description 2
- 206010021703 Indifference Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/37—Hardware or software details of the signal processing chain
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/02—Details of the space or ground control segments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0421—Multiprocessor system
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/22—Pc multi processor system
- G05B2219/2231—Master slave
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25171—Serial, RS232
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Automation & Control Theory (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The present invention provides a kind of gps signal intelligent shunt circuit system, including:One Anneta module, the Anneta module connects a main frame, and the main frame connects a power splitter forwarding module, and the power splitter forwarding module connects multiple slaves, and the main frame is also connected with a PC ends control module;The Anneta module is provided with a pair of antenna detection structure and a RF switch structure;The main frame receives control information provided with a main control module and sends control command.The present invention is had the advantages that using above-mentioned technical proposal:The main frame receives control information provided with a main control module and sends control command, intelligent control is realized to the system, the Anneta module setting antenna detection structure and RF switch structure guarantee gps signal stability are good, accuracy is high, automatic monitoring antenna condition can be realized and switch access antenna, unattended, raising signal repeater system stability can be realized.PC ends control module is used as consistency operation, it is possible to achieve remote operation and monitoring.
Description
Technical field
The present invention relates to electronic technology field, a kind of especially gps signal intelligent shunt circuit system.
Background technology
With expanding economy, in the life for having entered into people of GPS positioning technology gradually, people trip or
GPS positioning technology is usually applied in valuables anti-theft anti-loss, and current user equipment or consumer products on the market is mostly
Using GPS, for receiving signal from gps satellite and calculating its three-dimensional location and time etc. using the information transmitted.
And GPS has generally comprised reception antenna, power splitter etc..
GPS on the market mostly only has a reception antenna at present, and its signal reception is not good, and then causes work(
Divide the signal of device input not good.And this kind of gps signal system cannot intelligently control and detect, monitor, it is necessary to artificial operation
Processing, it is bothersome time-consuming.
The content of the invention
For background technology problem encountered, it is an object of the invention to realize the intelligentized control method and pipe of satellite-signal
The gps signal intelligent shunt circuit system of reason.
To achieve the above object, the present invention uses a kind of gps signal intelligent shunt circuit system of following technological means, including:One
Anneta module, the Anneta module connects a main frame, and the main frame connects a power splitter forwarding module, and the power splitter forwards mould
Block connects multiple slaves, and the main frame is also connected with a PC ends control module;The Anneta module is provided with first antenna and second day
Line, the first antenna is connected a pair of antenna detection structure, the double antenna detection structure and the master with second antenna
Machine and RF switch structure connection, the RF switch structure connect with the main frame and the power splitter forwarding module
Connect;The main frame receives control information provided with a main control module and sends control command;The power splitter forwarding module output eight
Road satellite-signal, slave described in one is connected per satellite-signal all the way respectively;The slave is aobvious provided with power splitter single-chip microcomputer and state
Show plate single-chip microcomputer, the slave exports eight road satellite-signals, connecting a signal respectively per satellite-signal all the way uses equipment;It is described
PC ends control module is communicated by Network Serial Port with the main control module, remote operation and the monitoring main control module.
Further, the input port of the double antenna detection structure detects input voltage provided with voltage detecting circuit.
Further, the RF switch structure is provided with the first input port, the second input port and delivery outlet, and described first is defeated
Entrance is connected the first antenna and second antenna respectively with second input port, and the delivery outlet connects the work(point
Device forwarding module.
Further, a power module connects the main control module, and the power module is provided with power splitter forwarding module electricity
Source and RF switch structure power supply.
Further, the main control module indicates the different shapes for showing host output end mouthful provided with an output state
State.
Further, the main control module provided with one alarm buzzer and a dry contact alarm, it is described alarm buzzer with
The dry contact alarm connection.
Further, the main control module is provided with a lcd screen, the lcd screen and the Anneta module, the work(point
Device forwarding module and the connection of PC ends control module.
Further, the power splitter forwarding module is provided with main power splitter and from power splitter, the main power splitter with it is described
It is connected with each other from power splitter, the main power splitter is connected with the Anneta module, described to be connected from power splitter with the slave, institute
State main power splitter and described be connected from power splitter with the main control module.
Compared with prior art, the present invention is had the advantages that using above-mentioned technical proposal:The main frame is provided with one
Main control module receives control information and sends control command, and intelligent control is realized to the system, and the Anneta module sets antenna
Detect that structure and RF switch structure ensure that gps signal stability is good, accuracy is high, automatic monitoring antenna condition can be realized
And switch access antenna, it is possible to achieve and it is unattended, improve signal repeater system stability.PC ends control module is as rear
Platform is operated, it is possible to achieve remote operation and monitoring.
Brief description of the drawings
Fig. 1 is the design flow diagram of the gps signal intelligent shunt circuit system of the present invention;
Fig. 2 is the main frame and the attachment structure figure of slave of the gps signal intelligent shunt circuit system of the present invention;
Fig. 3 is the main frame theory diagram of the gps signal intelligent shunt circuit system of the present invention;
Fig. 4 is the theory diagram of the power splitter forwarding module of the gps signal intelligent shunt circuit system of the present invention.
Embodiment
For ease of being better understood from the purpose of the present invention, structure, feature and effect etc., with reference to accompanying drawing and specific embodiment party
The invention will be further described for formula.
Show such as accompanying drawing 1 to accompanying drawing 4, gps signal intelligent shunt circuit system of the invention, including:One Anneta module, the antenna
Module connects a main frame, and the main frame connects a power splitter forwarding module, and the power splitter forwarding module connects multiple slaves, institute
State main frame and be also connected with a PC ends control module, the main frame is provided with a main control module, and the main control module is provided with a master control monolithic
Machine.The present invention uses main frame slave structure, using 1U cabinet hosted, and maximum belt carries 8 slaves, and every slave distributes 8 roads letter
Number output, realize maximum 64 road host-guest architecture signal output.
Such as accompanying drawing 1 to accompanying drawing 4 shows that the main frame receives control information provided with a main control module and sends control command.Institute
Information processing and function realization that main control module is responsible for whole system are stated, control information is received, sends control command to other moulds
Block realizes control function, handles feedback information, realizes monitoring in real time, judges system mode and provides command adapted thereto realization intelligence control
System.The main control module is provided with a GPS chip and the main control singlechip.12V dc sources and the active and standby DC supply inputs of 48V
In the main control module.The main control module indicates the different conditions for showing host output end mouthful provided with an output state.
The main control module is connected provided with Network Serial Port with the external world.The main control module is grasped provided with button and indicator lamp for user
Make.The main control module is alerted provided with an alarm buzzer and dry contact alarm, the alarm buzzer with the dry contact
Connection.The main control module is provided with a lcd screen, the lcd screen and the Anneta module, the power splitter forwarding module and
PC ends control module connection.The main control module should for controlling and showing provided with a power switch and power supply indicator
The power work state of system.
Such as accompanying drawing 1 to accompanying drawing 4 shows that the Anneta module is provided with first antenna and the second antenna, the first antenna and institute
State the second antenna connection a pair of antenna detection structure, the double antenna detection structure and the main frame and a RF switch structure
Connection, the RF switch structure is connected with the main frame and the power splitter forwarding module.The double antenna detects structure
Input port provided with voltage detecting circuit detect input voltage.The RF switch structure is provided with the first input port, second defeated
Entrance and delivery outlet, first input port are connected the first antenna and described second day respectively with second input port
Line, the delivery outlet connects the power splitter forwarding module.
Such as accompanying drawing 1 to accompanying drawing 4 shows that the first antenna and second antenna access signal input, first antenna are inputted
Port and the second antenna input port have the voltage detecting circuit, and detection port voltage is sent to master by serial communication
Machine.The double antenna detection structure can also detect antenna condition, and antenna condition is short circuit, opened a way or normal access.Short circuit or
Open circuit prompt system failure and can all be alerted, and flashed by accessing the red LED indicator lamp of the main frame and represented that alarm is gone forward side by side
Row switching.
Show such as accompanying drawing 1 to accompanying drawing 4, the switching of the first antenna and second antenna:Use the RF switch knot
Structure makees antenna switcher part, and connection is controlled from the main control module access+12V dc sources, and main control singlechip, described
RF switch structure is provided with the first input port, the second input port and delivery outlet, first input port and second input port
The first antenna and second antenna are connected respectively, and the delivery outlet connects the power splitter forwarding module, realized optional
The double antenna access selected, the RF switch structure, which is utilized, to be switched over to its varying level signal, realizes antenna switching.
As accompanying drawing 1 to accompanying drawing 4 shows that antenna switching mode is divided to two kinds:Manual switching antenna and automated intelligent switching antenna.Hand
During dynamic switching antenna, to manually select antenna, can button operation selection antenna, will not intelligently automatically switch, master during manual key
Control single-chip microcomputer receives key information and sends Transistor-Transistor Logic level to the RF switch structure, so as to switch access antenna.Automated intelligent
When switching antenna, it is automated intelligent switching antenna, is an antenna when one of antenna failure can be automatically switched to another, specifically
For:When antenna short circuit or open circuit, power splitter identification antenna port voltage is simultaneously sent to main control singlechip, and the main control singlechip is sentenced
Have no progeny and handle and send Transistor-Transistor Logic level to the RF switch structure to realize that antenna switches.When antenna dtr signal, power splitter hair
The signal sent is sent to main control singlechip after GPS chip is handled, and judges and sends Transistor-Transistor Logic level to the RF switch structure
To realize that antenna switches.System opens selection intelligent selection antenna mode, and antenna can be automatically switched with frequency once per minute,
Stop switching after Systematic selection antenna, can be automatically switched if antenna can not select (failure) with frequency once per minute, ten
System judges that short time internal antenna can not be fixed after minute, stops cutting after with 10 minutes each frequencies automatically switching 140 times
Change.Lcd screen can show the signal quality of currently used antenna mode and access antenna, and indicator lamp can represent to be currently accessed
Antenna, button can select antenna mode, if antenna failure red alarm indicator flicker, if signal can not lock green satellite
Semaphore lock indicator lamp can extinguish.The system can use Network Serial Port in backstage PC ends control antenna access module, observation day
Line signal quality, monitoring antenna running status.
Such as accompanying drawing 1 to accompanying drawing 4 shows that the power splitter forwarding module exports eight road satellite-signals, per satellite-signal point all the way
Lian Jie not slave described in one.The power splitter forwarding module provided with main power splitter and from power splitter, the main power splitter with it is described
It is connected with each other from power splitter, the main power splitter is connected with the Anneta module, described to be connected from power splitter with the slave, institute
State main power splitter and described be connected from power splitter with the main control module.
Such as accompanying drawing 1 to accompanying drawing 4 shows, when the power splitter forwarding module realizes signal forwarding, by the RF switch structure
The output end access the main power splitter, the main power splitter separates 2 road signals, wherein accessing the main control module all the way
, can be by connecting the lcd screen of the main control module and described for gathering signal and showing signal quality longitude and latitude
PC ends control module shows signal quality and longitude and latitude, and 1 tunnel access in addition exports 8 road satellite-signals, i.e. main frame reality from power splitter
Now export 8 road satellite-signals.
Such as accompanying drawing 1 to accompanying drawing 4 shows, when the power splitter forwarding module realizes feed connection, can individually control each port
Feed connection, each power splitter does control chip and main control singlechip progress serial communication, TX by STC15W404AS single-chip microcomputers
For transmitting terminal, RX is receiving terminal, and serial ports is connected as transmission reception.Each power splitter output port has feed control and voltage
Feedback circuit, can control each power splitter single-chip microcomputer so as to control each port feed to connect, work(by serial communication main control module
Point each port of device can also detection port voltage main control module is sent to by serial communication, the LCD screen connected by main control module
Curtain and PC ends control module show that (short circuit, open circuit normally connect for each port feed connection (whetheing there is feed) and port use state
Enter).
Such as accompanying drawing 1 to accompanying drawing 4 shows that the slave is provided with power splitter single-chip microcomputer and status display panel single-chip microcomputer, the slave
Eight road satellite-signals are exported, connecting a signal respectively per satellite-signal all the way uses equipment.The slave uses 1 point of 8 intelligent work(
Divide device, realize that host signal extends, inside is done port status using single-chip microcomputer and read and display system, power splitter single-chip microcomputer and shape
State display board single-chip microcomputer carries out serial communication, when power splitter output port no power, and outside has voltage to access power splitter single-chip microcomputer
Detect port voltage SCM program to be judged to accessing BBU, status display panel monolithic is sent to by singlechip serial communication
Machine, carries out status display.
As accompanying drawing 1 to accompanying drawing 4 shows that PC ends control module is communicated by Network Serial Port with the main control module, remotely
Operate and monitor the main control module.Communication with main control module is realized by Network Serial Port, it is possible to achieve remote operation and prison
Survey the system, realize day line options and antenna mode selection control, antenna condition monitoring, power splitter port feed connection control and
Monitoring, the monitoring of access system signal quality.
Such as accompanying drawing 1 to accompanying drawing 4 shows that a power module connects the main control module, and the power module turns provided with power splitter
Send out modular power source and RF switch structure power supply.
As accompanying drawing 1 to accompanying drawing 4 shows that the purpose of the present invention is to realize intelligentized control method and the management of satellite-signal, with intelligence
Switching access antenna and can simultaneously detect the connection status of two-way antenna, know in advance standby road antenna whether failure, shift to an earlier date
Change antenna and ensure the reliable and stable of signal system, there is back-stage management and monitoring function, can be with real time inspection longitude and latitude, signal matter
Amount and access antenna, can check and set the feed connection of power splitter output port, antenna or signal fault, power splitter output end
Mouth access failure can be alerted in time, and output port has indicator lamp indication output end mouthful connection status.
As accompanying drawing 1 to accompanying drawing 4 shows that technical solution of the present invention advantage is:Intelligent control, stability is good, and accuracy is high, energy
It is enough to realize automatic monitoring antenna condition and switch access antenna, it is possible to achieve unattended, signal repeater system stability is improved,
Intellectual monitoring output port feeds connection status, and real time reaction, solution can not change feed connectivity problem immediately, output short-circuit and
Open circuit alarm, automatic detection output connection and antenna input fault, the consistency operation of PC ends, it is possible to achieve remote operation and monitoring,
Synchronous branch system reduces GPS/ Beidou antenna quantity, and the in-door covering project scenarios such as subway, BBU computer rooms install day apart from GPS
The route in face is long, and cabling space is limited, can not use thick feeder line, is amplified by synchronous branch system and is assigned as multichannel
Gps signal, and the synchronous indifference of multiple signals, system are more stablized.
Detailed description above is only the explanation of the preferred embodiments of the invention, non-therefore the limitation present invention the scope of the claims,
So, all equivalence techniques changes with carried out by this creation specification and diagramatic content are both contained in the scope of the claims of the present invention
It is interior.
Claims (8)
1. a kind of gps signal intelligent shunt circuit system, it is characterised in that including:
One Anneta module, the Anneta module connects a main frame, and the main frame connects a power splitter forwarding module, the power splitter
Forwarding module connects multiple slaves, and the main frame is also connected with a PC ends control module;
The Anneta module is provided with first antenna and the second antenna, and the first antenna is connected a double antenna with second antenna
Structure is detected, the double antenna detection structure is connected with the main frame and a RF switch structure, the RF switch structure
It is connected with the main frame and the power splitter forwarding module;
The main frame receives control information provided with a main control module and sends control command;
The power splitter forwarding module exports eight road satellite-signals, and slave described in one is connected respectively per satellite-signal all the way;
The slave is provided with power splitter single-chip microcomputer and status display panel single-chip microcomputer, and the slave exports eight road satellite-signals, each
Road satellite-signal connects a signal and uses equipment respectively;
PC ends control module is communicated by Network Serial Port with the main control module, remote operation and the monitoring master control mould
Block.
2. gps signal intelligent shunt circuit system as claimed in claim 1, it is characterised in that:The double antenna detects the defeated of structure
Inbound port detects input voltage provided with voltage detecting circuit.
3. gps signal intelligent shunt circuit system as claimed in claim 1, it is characterised in that:The RF switch structure is provided with the
One input port, the second input port and delivery outlet, first input port are connected described first day respectively with second input port
Line and second antenna, the delivery outlet connect the power splitter forwarding module.
4. gps signal intelligent shunt circuit system as claimed in claim 1, it is characterised in that:One power module connects the master control
Module, the power module is provided with power splitter forwarding module power supply and RF switch structure power supply.
5. gps signal intelligent shunt circuit system as claimed in claim 1, it is characterised in that:The main control module is provided with an output
State instruction is used for the different conditions for showing host output end mouthful.
6. gps signal intelligent shunt circuit system as claimed in claim 1, it is characterised in that:The main control module is provided with an alarm
Buzzer and dry contact alarm, the alarm buzzer are connected with dry contact alarm.
7. gps signal intelligent shunt circuit system as claimed in claim 1, it is characterised in that:The main control module is provided with a LCD screen
Curtain, the lcd screen is connected with the Anneta module, the power splitter forwarding module and PC ends control module.
8. gps signal intelligent shunt circuit system as claimed in claim 1, it is characterised in that:The power splitter forwarding module is provided with
Main power splitter and from power splitter, the main power splitter is connected with each other with described from power splitter, the main power splitter and the antenna
Module connect, it is described to be connected from power splitter with the slave, the main power splitter and it is described from power splitter with the master control
Module is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710396794.1A CN107132557A (en) | 2017-05-31 | 2017-05-31 | Gps signal intelligent shunt circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710396794.1A CN107132557A (en) | 2017-05-31 | 2017-05-31 | Gps signal intelligent shunt circuit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107132557A true CN107132557A (en) | 2017-09-05 |
Family
ID=59735140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710396794.1A Pending CN107132557A (en) | 2017-05-31 | 2017-05-31 | Gps signal intelligent shunt circuit system |
Country Status (1)
| Country | Link |
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| CN (1) | CN107132557A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765573A (en) * | 2017-11-09 | 2019-05-17 | 郑州威科姆科技股份有限公司 | A kind of detection device and method of satellite time synchronization equipment antenna-feeder system |
| CN110488327A (en) * | 2019-09-03 | 2019-11-22 | 广州邦正电力科技有限公司 | The active amplification of Beidou/GPS satellite signal distributes intelligence system |
| CN112118405A (en) * | 2020-10-19 | 2020-12-22 | 广西广播电视技术中心 | Double-fed switching system with detection alarm function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080224927A1 (en) * | 2007-03-14 | 2008-09-18 | Espedito Alves De Abreu | Diversity module between gps antennas, with receiver protection and integrated alarm signal |
| CN101620265A (en) * | 2008-07-01 | 2010-01-06 | 希姆通信息技术(上海)有限公司 | Switching circuit and switching method for built-in antenna and external antenna of GPS |
| US20130076567A1 (en) * | 2011-09-26 | 2013-03-28 | Maritime Telecommunications Network, Inc. | Dual antenna transfer switch system, method and apparatus |
| CN203673071U (en) * | 2013-08-08 | 2014-06-25 | 北京九天利建信息技术有限公司 | Beidou dual mode user machine external antenna switching apparatus and antenna apparatus |
| CN105487086A (en) * | 2014-09-19 | 2016-04-13 | 成都国星通信有限公司 | Device and method for antenna automatic identification and switching |
| CN106707302A (en) * | 2017-01-20 | 2017-05-24 | 深圳星火源电子有限公司 | GPS power divider system |
| CN206818883U (en) * | 2017-05-31 | 2017-12-29 | 深圳星火源电子有限公司 | Gps signal intelligent shunt circuit system |
-
2017
- 2017-05-31 CN CN201710396794.1A patent/CN107132557A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080224927A1 (en) * | 2007-03-14 | 2008-09-18 | Espedito Alves De Abreu | Diversity module between gps antennas, with receiver protection and integrated alarm signal |
| CN101620265A (en) * | 2008-07-01 | 2010-01-06 | 希姆通信息技术(上海)有限公司 | Switching circuit and switching method for built-in antenna and external antenna of GPS |
| US20130076567A1 (en) * | 2011-09-26 | 2013-03-28 | Maritime Telecommunications Network, Inc. | Dual antenna transfer switch system, method and apparatus |
| CN203673071U (en) * | 2013-08-08 | 2014-06-25 | 北京九天利建信息技术有限公司 | Beidou dual mode user machine external antenna switching apparatus and antenna apparatus |
| CN105487086A (en) * | 2014-09-19 | 2016-04-13 | 成都国星通信有限公司 | Device and method for antenna automatic identification and switching |
| CN106707302A (en) * | 2017-01-20 | 2017-05-24 | 深圳星火源电子有限公司 | GPS power divider system |
| CN206818883U (en) * | 2017-05-31 | 2017-12-29 | 深圳星火源电子有限公司 | Gps signal intelligent shunt circuit system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765573A (en) * | 2017-11-09 | 2019-05-17 | 郑州威科姆科技股份有限公司 | A kind of detection device and method of satellite time synchronization equipment antenna-feeder system |
| CN109765573B (en) * | 2017-11-09 | 2023-04-25 | 郑州威科姆科技股份有限公司 | Detection device and method for antenna feed system of satellite time synchronization equipment |
| CN110488327A (en) * | 2019-09-03 | 2019-11-22 | 广州邦正电力科技有限公司 | The active amplification of Beidou/GPS satellite signal distributes intelligence system |
| CN112118405A (en) * | 2020-10-19 | 2020-12-22 | 广西广播电视技术中心 | Double-fed switching system with detection alarm function |
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Application publication date: 20170905 |