[go: up one dir, main page]

CN107132557A - Gps signal intelligent shunt circuit system - Google Patents

Gps signal intelligent shunt circuit system Download PDF

Info

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
Authority
CN
China
Prior art keywords
power splitter
module
antenna
control module
main frame
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.)
Pending
Application number
CN201710396794.1A
Other languages
Chinese (zh)
Inventor
郑国辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Spark Source Electronics Co Ltd
Original Assignee
Shenzhen Spark Source Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Spark Source Electronics Co Ltd filed Critical Shenzhen Spark Source Electronics Co Ltd
Priority to CN201710396794.1A priority Critical patent/CN107132557A/en
Publication of CN107132557A publication Critical patent/CN107132557A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/35Constructional details or hardware or software details of the signal processing chain
    • G01S19/37Hardware or software details of the signal processing chain
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/02Details of the space or ground control segments
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/23Testing, monitoring, correcting or calibrating of receiver elements
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0421Multiprocessor system
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/22Pc multi processor system
    • G05B2219/2231Master slave
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/25Pc structure of the system
    • G05B2219/25171Serial, 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

Gps signal intelligent shunt circuit system
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.
CN201710396794.1A 2017-05-31 2017-05-31 Gps signal intelligent shunt circuit system Pending CN107132557A (en)

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
CN (1) CN107132557A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN207366750U (en) The Anneta module of gps signal intelligent shunt circuit system
CN206818883U (en) Gps signal intelligent shunt circuit system
CN107132557A (en) Gps signal intelligent shunt circuit system
CN100541953C (en) Circuit breaker and protection device thereof
CN201348816Y (en) Wireless independent fire alarm device
CN103067960A (en) Indoor distribution system antenna feeder monitoring method
CN109343359A (en) Intelligent switch, intelligence control system, method, apparatus and electronic equipment
CN106953680A (en) A kind of method that use Big Dipper data transfer box realizes Big Dipper data transfer
CN107272520A (en) A kind of intelligent safety and defence system based on sensor network and monitoring remote video
CN106323654A (en) Intelligent door system circulation tester and testing method
CN101207836A (en) Method for detecting at least one cable
CN106230122B (en) A kind of power equipment safety monitoring system based on wireless network
CN103186115A (en) Networkable remote home intelligent control switch and intelligent realization method
CN202856468U (en) Integrated intelligent monitoring system suitable for substation direct current power supply
CN107481372A (en) Dual redundant Intelligent storage device, dual redundant Internet of Things storage system and its implementation
CN214899187U (en) An intelligent disaster prevention and energy-saving socket based on load identification algorithm
US11448679B2 (en) System and method for testing a tractor trailer
CN201751916U (en) Voice-digital networking alarm
CN106054213A (en) Positioning and monitoring system based on GPS
CN103079022B (en) Dual-network voice alarm physical isolation control system and method of communication interior of private network
CN206038333U (en) Intelligent door systemic circulation test instrument
CN214586435U (en) GPS Beidou time service clock synchronous sharing system
CN210491027U (en) Wireless camera convenient to debug
CN106707302A (en) GPS power divider system
CN202949504U (en) Power over Ethernet (PoE) wireless network hard disk video integrated machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170905