CN102176040A - Dual-GPS (Global Positioning System) positioned interface device of high-precision beacon - Google Patents
Dual-GPS (Global Positioning System) positioned interface device of high-precision beacon Download PDFInfo
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- CN102176040A CN102176040A CN2011100400000A CN201110040000A CN102176040A CN 102176040 A CN102176040 A CN 102176040A CN 2011100400000 A CN2011100400000 A CN 2011100400000A CN 201110040000 A CN201110040000 A CN 201110040000A CN 102176040 A CN102176040 A CN 102176040A
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Abstract
The invention provides a dual-GPS (Global Positioning System) positioned interface device of a high-precision beacon, which comprises a beacon terminal, wherein an ordinary GPS module and an embedded microprocessor are arranged in the buoy terminal; and the interface device is characterized by further comprising a serial communication analogue switch and a high-precision GPS module, wherein the embedded microprocessor is connected with the ordinary GPS module and the high-precision GPS module respectively through the serial communication analogue switch. When the device provided by the invention is adopted, the intuitional high-precision positioning and monitoring of the operation state of the beacon can be realized by a beacon manager in an engine room all the day at any time and place, the beacon can be processed in time in case of failures, the smoothness of the beacon can be ensured, and the maintenance cost of the beacon can also be greatly saved. Meanwhile, as a high-precision dual-GPS receiver and an antenna are installed on the beacon terminal, the accurate global satellite positioning of the beacon can be realized, and the problem of losing the beacon can be solved; when the beacon is lost, the lost beacon can be found no matter how far the beacon drifts in a GSM (Global System for Mobile Communications) coverage area.
Description
Technical field
The present invention relates to the navigation mark locating device of a kind of two GPS of high precision of aids to navigation waterborne, be specially adapted to administrative authority (Waterway Bureau, marine board etc.) the widely distributed various navigation marks in inland river, lake and navigation channel, coastal waters are carried out concentrated, round-the-clock, high precision and real time remote position monitoring and control.
Background technology
Along with the develop rapidly of science and technology, today, the luminous and energy technology of navigation mark was significantly improved.But the mode of manually regularly stepping on the mark inspection is still adopted in the maintenance of navigation mark mostly, and some important sign also must be guarded by the special messenger.Some Pharos Remote Sensing and Control System inputs tests are early also arranged both at home and abroad, mainly adopt satellite communication or VHF/UHF frequency wireless data radio station mode to realize the remote measuring and controlling of navigation mark, but since following problem be not used widely.
Most of similar systems do not possess accurate positioning function, can not solve the displacement of buoy and the problem of drift.
Summary of the invention
In order to improve the bearing accuracy problem of navigation mark, the present invention is on the common buoy terminal-based of original low-power consumption, increase by one road power supervisor, high-precision GPS module and serial communication analog switch three parts, thereby improved the bearing accuracy rate of navigation mark, solved displacement warning and drift and followed the tracks of.
Technical scheme of the present invention is:
The interface arrangement of the two GPS of a kind of high precision navigation mark location, comprise the buoy terminal, be provided with common GPS module and embedded microprocessor in the described buoy terminal, described interface arrangement also comprises serial communication analog switch and high-precision GPS module, and embedded microprocessor is connected with the high-precision GPS module with common GPS module respectively by the serial communication analog switch.
Described interface arrangement also comprises power supervisor, and power supervisor is connected with common GPS module and/or high-precision GPS module.
Described power supervisor is for compressing the linear voltage stabilizer of difference.
The communication serial port of described embedded microprocessor is connected with the serial communication analog switch.
Described common GPS module and high-precision GPS module dispose independently controlled source respectively, and controlled source is connected with embedded microprocessor.
This device increases by one road power management LDO, high-precision GPS module and serial communication analog switch three parts on the common buoy terminal-based of original low-power consumption.Promptly be to have adopted two GPS modules in the system, one is high precision Crescent OEM GPS module, and one is general T rimble IQ OEM GPS module; Two GPS modules are all used independently controlled source, and the communication serial port of terminal ARM CPU is connected with analog switch, under the control of ARM, select wherein some GPS modules to communicate by letter with system CPU.
Terminal has two kinds of mode of operations: high-precision fixed bit pattern, common station-keeping mode, select the mode of operation of terminal according to actual needs by the user, if select high-precision fixed bit pattern, then the high-precision GPS module is in running order all the time, its MCU receives the decode gps signal in real time and is handled computing, obtains degree of precision GPS location; When selecting common station-keeping mode, the high-precision GPS module is in the outage off position in the most of the time (when not sending data), and this moment, the terminal Overall Power Consumption was low.When only needing hi-Fix in Surveillance center or terminal normal on the number times to etc. just open the work of high-precision GPS module during situation, thereby realize the hi-Fix and the low power dissipation design of bridge district buoy terminal.
The present invention has mainly utilized GSM digital mobile cellular telecommunication technology, GPS global satellite positioning and GIS geographical information technology.Obtain the work state information of various navigation marks by high-precision GPS receiver of installing on the navigation mark and low-power consumption sensor, the longitude and latitude, warning and the various running parameter that comprise navigation mark, the gsm communication module of installing above by navigation mark after these information via single-chip microcomputers are handled is sent to Surveillance center in the mode of GPRS/GSM, Surveillance center's computing machine receives, handles and storage navigation mark information, managerial personnel can check accurate position and other operations of navigation mark on GIS electronics navigation channel chart, realized that the accurate location of navigation mark is followed the tracks of and telemetry function.The personnel of Surveillance center can send to steering order on the monitor terminal of navigation mark by the GPRS/GSM communication system on the other hand, have realized distant control function.
The navigation mark locating device of the two GPS of a kind of high precision at various aids to navigations waterborne, this device is fixedly mounted on the navigation mark, in this system, adopt two GPS station-keeping modes, two cover GPS modules promptly are installed on terminal, one cover is the Trimble IQ OEM GPS module the same with common buoy, one cover is a Crescent OEM GPS high precision module, two cover GPS module cooperative work, when counting on the terminal, the work of Crescent OEM GPS high precision module, terminal is uploaded its locator data, and Surveillance center can accurately locate buoy in view of the above and realize displacement adjustment and warning; Other mosts of the time, Crescent OEM GPS high precision module quits work, and is worked by Trimble IQ OEM GPS module, terminal receives its output data, in time report to the police when realizing the drift displacement, cooperate the collision alerts sensor, realize that bridge district buoy is clashed into and Rapid Alarm when drifting about.
Measure the longitude and latitude coordinate and the movable information of navigation mark in the main system by GPS global positioning satellite module, the various status informations of positional information and navigation mark are transmitted into the pharos remote sensing and control center by GSM digital mobile cellular telecommunication modulator-demodular unit, when displacement, drift and abnormal state, report to the police, managerial personnel can inquire about intuitively and operate by computing machine, realize the location tracking and the remote measuring and controlling function of navigation mark, solved navigation mark and patrolled and examined maintenance issues.
The invention has the beneficial effects as follows:
Adopt device of the present invention, the Compensation Liability for Damage Caused by the Fault in the Administration of Aids to Navigation personnel just can realize all-weather, high precision, locating and monitoring intuitively and anywhere or anytime to the duty of navigation mark at machine room, in time handle when navigation mark breaks down, guarantee the unimpeded of navigation mark, can also save the maintenance cost of navigation mark greatly.Simultaneously, two GPS receivers of high precision and antenna have been installed above the navigation mark terminal, can have been realized that global satellite accurately locatees, solved the drift problem of buoy, in the time of the navigation mark drift, at the GSM areal coverage, no matter how far the distance of drift has to navigation mark.Navigation mark that can finding lost.
Because the present invention adopts the wireless transmission platform of gsm communication system as pharos remote sensing and control, therefore the distance of capacity, transfer rate and the monitoring of system depends on capacity, speed and coverage rate (network in the GSM whole nation of GSM, capacity is big, transfer rate is greater than 9600 baud rates and in fast development), and adopt the VHF/UHF private network because channel limited (being generally tens to 20), coverage is generally tens kilometers, and data rate generally is no more than 2400 baud rates; The user also needs to build the maintain communications base station; The terminal device power consumption is than GSM terminal big (working current in VHF/UHF radio station is several the peace to tens peaces when being in the emission duty, and the GSM terminal is tens to more than 100 milliamperes); Reliability, networking property and extendibility do not have GSM good yet simultaneously.
Description of drawings:
Fig. 1 is the block diagram of system of the present invention.
Fig. 2 is the connection diagram of serial communication analog switch of the present invention.
Fig. 3 is one of circuit theory diagrams of the present invention.
Fig. 4 is two of circuit theory diagrams of the present invention.
Specific embodiments:
The interface arrangement of the two GPS of a kind of high precision navigation mark location, comprise the buoy terminal, be provided with common GPS module and embedded microprocessor in the described buoy terminal, interface arrangement also comprises serial communication analog switch and high-precision GPS module, and embedded microprocessor is connected with the high-precision GPS module with common GPS module respectively by the serial communication analog switch.
Interface arrangement also comprises power supervisor, and power supervisor is connected with common GPS module and/or high-precision GPS module.
Power supervisor is for compressing the linear voltage stabilizer of difference.
The communication serial port of embedded microprocessor is connected with the serial communication analog switch.
Common GPS module and high-precision GPS module dispose independently controlled source respectively, and controlled source is connected with embedded microprocessor.
This device increases by one road power management LDO, high-precision GPS module and serial communication analog switch three parts on the common buoy terminal-based of original low-power consumption.Promptly be to have adopted two GPS modules in the system, one is high precision Crescent OEM GPS module, and one is general T rimble IQ OEM GPS module; Two GPS modules are all used independently controlled source, and the communication serial port of terminal ARM CPU is connected with analog switch, under the control of ARM, select wherein some GPS modules to communicate by letter with system CPU.
Terminal has two kinds of mode of operations: high-precision fixed bit pattern, common station-keeping mode, select the mode of operation of terminal according to actual needs by the user, if select high-precision fixed bit pattern, then the high-precision GPS module is in running order all the time, its MCU receives the decode gps signal in real time and is handled computing, obtains degree of precision GPS location; When selecting common station-keeping mode, the high-precision GPS module is in the outage off position in the most of the time (when not sending data), and this moment, the terminal Overall Power Consumption was low.When only needing hi-Fix in Surveillance center or terminal normal on the number times to etc. just open the work of high-precision GPS module during situation, thereby realize the hi-Fix and the low power dissipation design of bridge district buoy terminal.
The structured flowchart of pharos remote sensing and control device is installed for navigation mark at Fig. 1, the positioning signal of the two GPS device monitoring navigation marks of high precision in this device, the GPS receiver module is connected with gps antenna, gps antenna is installed in the place of not blocking, receive the GPS locating information, the GPS module is converted into the GPS difference positioning information longitude and latitude data of navigation mark, be sent in the host computer system by serial ports, host computer system is according to the locating information of the time that configures with navigation mark, various state parameters send on the monitoring central server by the mode of the gprs service of GSM mobile communication, have realized the satnav of center to navigation mark.
The high-precision GPS module was not worked when terminal was normally waited for, and terminal GPS locator data is provided by common GPS module, carry out location positioning and with the reference point offset detection, the high-precision GPS module just when uploading data and warning just open use when needing; When counting in the timing: number preceding 20 minutes (5 minutes-30 minutes adjustable) is opened the high-precision GPS modular power source automatically in the normal timing, preceding 5 minutes analog switches of number automatically switch to high-precision GPS module serial ports in the timing, and terminal receives and handle the longitude and latitude data of the data of use high-precision GPS module output as number on the terminal.Therefore the locator data of the bridge district buoy received of Surveillance center all is the locator data of high-precision GPS module basically, server statistical study and adjust the accurate installation position of buoy in view of the above.In addition, the time of being consumed during for fear of common GPS cold start-up reorientation, when the high-precision GPS module is worked, do not close the power supply of common GPS module.
Fig. 2, Fig. 3, Fig. 4 are the embodiment circuit theory diagrams of navigation mark location with the remote measuring and controlling device, and this device is fixedly mounted on (can not there be shelter the gps antenna top) in the localities of navigation mark high temperature resistance, moisture proof and salt fog.The locating information of the two GPS device real time on-line monitoring navigation marks of high precision occurs in time waking main system up when unusual and carries out alarm operation, utilizes the circuit that function is stronger in the main system to finish associative operation.The data of the two GPS devices of high precision are exported to the single-chip microcomputer of main system by serial mode.
After the main system energising work, the gps antenna receiving satellite signal, send signal to GPS OEM plate by the TNC antennal interface, GPS OEM plate carries out demodulation, calculating and smoothing processing to positioning signal, then with latitude and longitude coordinates, time and the translational speed information of serial mode to singlechip CPU output navigation mark; Single-chip microcomputer receives handles locating information and alerting signal, and these information are sent to GSM MODEM modulator-demodular unit; GSM MODEM sends to information and alerting signal on Surveillance center's computing machine by its GPRS signaling channel, and Surveillance center also sends to telecommand on the boat remote measuring and controlling device by the GPRS/GSM signaling channel.
Claims (5)
1. the interface arrangement of the two GPS of high precision navigation mark location, comprise the buoy terminal, be provided with common GPS module and embedded microprocessor in the described buoy terminal, it is characterized in that described interface arrangement also comprises serial communication analog switch and high-precision GPS module, embedded microprocessor is connected with the high-precision GPS module with common GPS module respectively by the serial communication analog switch.
2. the interface arrangement of the two GPS of a kind of high precision navigation mark according to claim 1 location is characterized in that described interface arrangement also comprises power supervisor, and power supervisor is connected with common GPS module and/or high-precision GPS module.
3. the interface arrangement of the two GPS of a kind of high precision navigation mark according to claim 2 location is characterized in that described power supervisor is for compressing the linear voltage stabilizer of difference.
4. the interface arrangement of the two GPS of a kind of high precision navigation mark according to claim 1 location is characterized in that the communication serial port of described embedded microprocessor is connected with the serial communication analog switch.
5. the interface arrangement of the two GPS of a kind of high precision navigation mark according to claim 1 location is characterized in that described common GPS module and high-precision GPS module dispose independently controlled source respectively, and controlled source is connected with embedded microprocessor.
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| CN2011100400000A CN102176040A (en) | 2011-02-18 | 2011-02-18 | Dual-GPS (Global Positioning System) positioned interface device of high-precision beacon |
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| CN2011100400000A CN102176040A (en) | 2011-02-18 | 2011-02-18 | Dual-GPS (Global Positioning System) positioned interface device of high-precision beacon |
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| CN102829770A (en) * | 2012-08-20 | 2012-12-19 | 国家海洋技术中心 | GPS buoy wave measuring method and wave measuring system |
| CN104731070A (en) * | 2015-03-12 | 2015-06-24 | 国家海洋技术中心 | Hidden online monitoring system for marine monitoring equipment |
| CN106341936A (en) * | 2016-08-31 | 2017-01-18 | 大连海事大学 | Inland river intelligent navigation mark position monitoring method |
| CN106569237A (en) * | 2016-10-28 | 2017-04-19 | 易瓦特科技股份公司 | Positioning system and positioning method for unmanned aerial vehicle |
| CN107037453A (en) * | 2016-10-28 | 2017-08-11 | 易瓦特科技股份公司 | Unmanned plane redundance localization method and system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106569237A (en) * | 2016-10-28 | 2017-04-19 | 易瓦特科技股份公司 | Positioning system and positioning method for unmanned aerial vehicle |
| CN107037453A (en) * | 2016-10-28 | 2017-08-11 | 易瓦特科技股份公司 | Unmanned plane redundance localization method and system |
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Application publication date: 20110907 |