CN201804115U - Global positioning system (GPS) iridium satellite vehicle-mounted equipment - Google Patents
Global positioning system (GPS) iridium satellite vehicle-mounted equipment Download PDFInfo
- Publication number
- CN201804115U CN201804115U CN2010205447220U CN201020544722U CN201804115U CN 201804115 U CN201804115 U CN 201804115U CN 2010205447220 U CN2010205447220 U CN 2010205447220U CN 201020544722 U CN201020544722 U CN 201020544722U CN 201804115 U CN201804115 U CN 201804115U
- Authority
- CN
- China
- Prior art keywords
- gps
- vehicle
- module
- chip microcomputer
- battery
- 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.)
- Expired - Fee Related
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model discloses global positioning system (GPS) iridium satellite vehicle-mounted equipment which comprises a power supply, a backup battery, an EEPROM non-volatile memory, a Trimble GPS module, a GTM900GSM module, a JTAG on-line programming interface, an MSP430F149 single-chip microcomputer, a switching value input conversion circuit and a re-electrification cold start circuit, and is characterized in that the power supply is from the battery of a vehicle; the backup battery is a battery pack consisting of six 1/3AAA chrome-nickel batteries; the EEPROM non-volatile memory is used for storing various parameters set by a vehicle-mounted terminal; the GPS output of the Trimble GPS module meets an NMEAO183 standard format, and the MSP430F149 single-chip microcomputer reads GPRMC sentences and extracts the position, time and other information of the vehicle; the operation status of the GPS vehicle-mounted terminal as well as position, time and other information of the vehicle are transmitted to a dispatch center through the GTM900GSM module; and the re-electrification cold start circuit is a non-steady circuit consisting of a time base chip. The iridium satellite communication network and the GSM communication network of the equipment can be automatically switched, the operation cost is lower, and the work is stable and reliable.
Description
Technical field
The utility model relates to a kind of GPS terminal, relates in particular to GPS iridium satellite mobile unit.
Background technology
At present GPS terminal equipment mostly relies on GSM honeycomb mobile communication network to transmit the information such as position, state, time of vehicle as communication platform to Surveillance center, and do not cover or cover the critical zone at GSM honeycomb mobile communication networks such as remote desert, mountain area, far and near seas, will not realize this communication.
Summary of the invention
The utility model is to solve the GSM honeycomb mobile communication network that GPS terminal equipment is relied in the prior art and has this defective of coverage hole, the GPS iridium satellite mobile unit that the iridium satellite satellite communication system that provides a kind of employing to be made up of 66 low-orbit satellites communicates.66 low-orbit satellites form a seamless satellite communication link in the whole world, can communicate between the satellite, thereby solve the problem that there is coverage hole in existing GSM honeycomb mobile communication network.
GPS iridium satellite mobile unit described in the utility model, comprise: power supply, reserve battery, EEPROM nonvolatile memory, TrimbleGPS module, GTM900GSM module, JTAG online programming interface, MSP430F149 single-chip microcomputer, switching value are imported change-over circuit, are re-powered the cold start-up circuit, and it is characterized in that: power supply is taken from the storage battery of vehicle; The electric battery that reserve battery is made up of the chromium nickel-based battery of six 1/3AAA; EEPROM nonvolatile memory size is 16KB, is used to deposit the various parameters that car-mounted terminal sets; The output of TrimbleGPS module GPS meets the NMEAO183 standard format, and the MSP430F149 single-chip microcomputer reads the GPRMC statement, information such as the position of extraction vehicle, time; The running status of GPS car-mounted terminal and the positional information of vehicle and temporal information etc. upload to the dispatching center via the GTM900GSM module; JTAG online programming interface is provided by the MSP430F149 single-chip microcomputer; The MSP430F149 single-chip microcomputer is the main control chip of GPS car-mounted terminal; The astable circuit that the base chip constitutes when re-powering the cold start-up circuit by one.
GPS iridium satellite mobile unit described in the utility model, iridium satellite communication network and GSM communication network can automatically switch, to reduce the communication rate.Whether the current GSM communication network of microprocessor real-time judge is effective, as effectively, then preferentially switches to the GSM communication network and carries out communication, otherwise be transferred to iridium satellite communication network automatically, operating cost is lower, and working stability is reliable, both be applicable to vehicle-mountedly, be equally applicable to boat-carrying.
Description of drawings
Fig. 1 is a GPS iridium satellite mobile unit circuit principle structure synoptic diagram
Embodiment
Below in conjunction with description of drawings the utility model is further elaborated.
GPS iridium satellite mobile unit described in the utility model, comprise: power supply 1, reserve battery 2, EEPROM nonvolatile memory 3, TrimbleGPS module 4, GTM900GSM module 5, JTAG online programming interface 6, MSP430F149 single-chip microcomputer 7, switching value are imported change-over circuit 8, are re-powered cold start-up circuit 9, and it is characterized in that: power supply 1 is taken from the storage battery of vehicle; The electric battery that reserve battery 2 is made up of the chromium nickel-based battery of six 1/3AAA; EEPROM nonvolatile memory 3 sizes are 16KB, are used to deposit the various parameters that car-mounted terminal sets; The output of TrimbleGPS module 4GPS meets the NMEAO183 standard format, and MSP430F149 single-chip microcomputer 7 reads the GPRMC statement, information such as the position of extraction vehicle, time; The running status of GPS car-mounted terminal and the positional information of vehicle and temporal information etc. upload to the dispatching center via GTM900GSM module 5; JTAG online programming interface 6 is provided by MSP430F149 single-chip microcomputer 7; MSP430F149 single-chip microcomputer 7 is main control chips of GPS car-mounted terminal; The astable circuit that the base chip constitutes when re-powering cold start-up circuit 9 by one.
During concrete enforcement, iridium satellite port, service provider's port, user port principle are as follows:
The brief introduction of iridium satellite satellite communication system:
The iridium satellite satellite communication system is made up of 66 low-orbit satellites, comprises that south poles can realize truly Global Link, satellite transit in order, the networking client is more, can converse, and can receive and dispatch short data and online, and rate is more moderate.What this equipment adopted is SBD9601 iridium satellite short data transceiver module.
Space segment: form by 66 low orbit satellites, be divided into 11 orbit planes, form a seamless satellite communication link in the whole world.Can communicate between the satellite.
User terminal: form by iridium satellite communication module, sensor or collector, controller.After sensor or the collector information extraction, information is submitted to controller be processed into standard format, pass to user platform or other user terminal by the iridium satellite module then.
Iridium satellite juncture station: be connected with user terminal via satellite, speech channel or data message are transferred to destination address.
Juncture station of service provider: receive the subscriber data message that the iridium satellite juncture station sends over, then message is unconditionally submitted to user platform, have user platform to resolve message.
User platform: receive the information that user terminal sends, storage and process information are the intelligible form of user with information processing.
Platform interface: the mode connectivity services merchant juncture station and the iridium satellite juncture station that adopt the internet.
User interface: the mode that adopts the internet is together with juncture station of service provider and user platform.The mode of communicating to connect is arbitrary mode of Direct IP, Https.
Introduction to business
SBD (burst short data service): adopt the mode of packet that user message transmitted in both directions business is provided.
Dialing access service: the subscriber dialing service on net is provided, can be connected to domestic, external ISP provider, connection speed is 2.4kbps.
Direct business of networking: the user directly is communicated with the iridium satellite Network, and the user inserts the US Internet interface.Connection speed is 9.6kbps.
Speech business: high-quality voice service is provided.
Data terminal is introduced
Iridium satellite 9601 short data transceivers: SBD is provided business, maximum packet 340 bytes that send,
Maximum reception packet is 270 bytes.
Described MSP430F149 single-chip microcomputer 7 is 1.8V～3.6V low voltage power supply; Efficient 16 RISCCPU can guarantee the quick execution of task, have shortened the working time, and most of instructions can be finished in a clock period; The rapid boot-up time of 6 microseconds can prolongs standby time and makes startup rapider, has reduced the power consumption of battery.The microcontroller of band Flash can be reduced to power consumption original 1/5, has not only dwindled the wiring board space but also reduced system cost;
Described power supply 1 circuit is a DC/DC transducer, the 12VDC that is taken from vehicle (or 24VDC) voltage transformation one-tenth+5V and 3.3V voltage, to single-chip microcomputer and other circuit supplies;
Described reserve battery 2 is electric battery of being made up of the chromium nickel-based battery of six 1/3AAA, during GPS car-mounted terminal operate as normal, with very little electric current to the electric battery current charge that weighs, when the GPS car-mounted terminal loses the storage battery power supply, by the seamless power supply that continues of reserve battery, and send power down and report to the police, when battery voltage is lower than 6V, automatically cut off electric battery, to protect;
The astable circuit that the described time base chip that re-powers cold start-up circuit 9 by constitutes, during GPS car-mounted terminal operate as normal, MSP430F149 single-chip microcomputer 7 constantly sends the astable circuit output that pulse constitutes time base chip and puts height, when GTM900GSM module 5, when SBD9601 iridium satellite module 10 or 4 work of TrimbleGPS module are undesired, MSP430F149 single-chip microcomputer 7 stops to send pulse, astable circuit output is put low automatically, the output of cutting off the electricity supply, make the whole outage of GPS car-mounted terminal, because what time base chip constituted is astable circuit, height is put in its output after a while again automatically, make power up output, the GPS car-mounted terminal is actual, and what finish is once the complete cold start-up process that re-powers;
Described JTAG online programming interface 6 is that MSP430F149 single-chip microcomputer 7 provides, and makes things convenient for the loading and the rewriting of program, need not take off the single-chip microcomputer burning program;
Described EEPROM nonvolatile memory 3, memory size is 16KB, is used to deposit the various parameters that car-mounted terminal sets, as IP address, ID number, SIM card number etc.;
Described switching value input change-over circuit 8, the GPS car-mounted terminal is provided with eight input switch amounts according to its working condition, and switching value input change-over circuit 8 converts switching value to single-chip microcomputer desired level exactly.
The data communication of described GPS car-mounted terminal and dispatching center realizes by GTM900GSM module 5 that when the GSM communication network is effective a cover partial data form and a communications protocol arranged between them.GTM900 is based on the wireless communication module of GSM mobile communication network, adopts the GPRS mode of operation for saving operating cost.The work of car-mounted terminal equipment is that the order that issued by the dispatching center is controlled, and the positional information of the running status of GPS car-mounted terminal and vehicle and temporal information etc. upload to the dispatching center via GTM900GSM module 5;
Described TrimbleGPS module has that cold start-up is fast, and capture velocity is fast, and has certain anti-ability of blocking;
Described switching value input change-over circuit 8 principle of work are as follows:
The GPS car-mounted terminal is provided with eight input switch amounts according to its working condition, and switching value input change-over circuit converts switching value to single-chip microcomputer desired level exactly.
Switching value input numbering is respectively:
IN1-IN8, routine is defined as follows
In a single day detection of power loss----GPS car-mounted terminal loses 12V (or 24V) power supply, by continue power supply and to dispatching center's report power-down state of reserve battery
When ACC----is high level as ACC, illustrate that vehicle starts
Emergency alarm----is reported to the center when vehicle is in a state of emergency.
Other inputs of switching value define voluntarily according to user's different demands.
Claims (1)
1. GPS iridium satellite mobile unit, comprise: power supply (1), reserve battery (2), EEPROM nonvolatile memory (3), TrimbleGPS module (4), GTM900GSM module (5), JTAG online programming interface (6), MSP430F149 single-chip microcomputer (7), switching value are imported change-over circuit (8), are re-powered cold start-up circuit (9), SBD9601 iridium satellite module (10), and it is characterized in that: power supply (1) is taken from the storage battery of vehicle; The electric battery that reserve battery (2) is made up of the chromium nickel-based battery of six 1/3AAA; EEPROM nonvolatile memory (3) size is 16KB, is used to deposit the various parameters that car-mounted terminal sets; The output of TrimbleGPS module (4) GPS meets the NMEAO183 standard format, and MSP430F149 single-chip microcomputer (7) reads the GPRMC statement, information such as the position of extraction vehicle, time; The running status of GPS car-mounted terminal and the positional information of vehicle and temporal information etc. upload to the dispatching center via GTM900GSM module (5); JTAG online programming interface (6) is provided by MSP430F149 single-chip microcomputer (7); MSP430F149 single-chip microcomputer (7) is the main control chip of GPS car-mounted terminal; The astable circuit that the base chip constitutes when re-powering cold start-up circuit (9) by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205447220U CN201804115U (en) | 2010-09-28 | 2010-09-28 | Global positioning system (GPS) iridium satellite vehicle-mounted equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205447220U CN201804115U (en) | 2010-09-28 | 2010-09-28 | Global positioning system (GPS) iridium satellite vehicle-mounted equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201804115U true CN201804115U (en) | 2011-04-20 |
Family
ID=43873618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205447220U Expired - Fee Related CN201804115U (en) | 2010-09-28 | 2010-09-28 | Global positioning system (GPS) iridium satellite vehicle-mounted equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201804115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344975A (en) * | 2013-07-02 | 2013-10-09 | 浙江水利水电学院 | Ship-mounted positioning device based on Beidou positioning and iridium communication |
-
2010
- 2010-09-28 CN CN2010205447220U patent/CN201804115U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344975A (en) * | 2013-07-02 | 2013-10-09 | 浙江水利水电学院 | Ship-mounted positioning device based on Beidou positioning and iridium communication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101360146B (en) | Positioning method and system of mobile communication apparatus | |
| CN101163306B (en) | Energy saving method for mobile terminal | |
| CN109743681B (en) | Dual-mode monitoring terminal based on Beidou communication and iridium communication | |
| CN102707304A (en) | Global positioning tracking method and device | |
| CN102055501A (en) | Electronic tour guide system and method based on bluetooth technology | |
| CN106973092A (en) | The system and method that mobile communications network is provided in the car | |
| CN113364656B (en) | Vehicle-mounted network central domain controller | |
| CN105812047A (en) | WIFI communication device based on Beidou satellite | |
| CN201804115U (en) | Global positioning system (GPS) iridium satellite vehicle-mounted equipment | |
| CN104702692A (en) | Intelligent driving trace recording instrument | |
| CN112838877A (en) | Multimode communication equipment | |
| CN204557780U (en) | The multi channel wireless data transfer module of a kind of low-power consumption | |
| CN105933022A (en) | Vehicle communication terminal | |
| CN201259404Y (en) | Blast initiation device | |
| CN209419644U (en) | A kind of LoRa Tandem Gateway | |
| CN116073884A (en) | Ocean buoy communication system and method based on high-low orbit satellite fusion | |
| CN104601480A (en) | Zigbee turn 3G switching router | |
| CN103079294B (en) | The wireless sensor network gateway of dual communication mode and control method | |
| CN212008948U (en) | Internet of things tower deformation monitoring device integrating Beidou and inertial navigation positioning technology | |
| CN210781364U (en) | High-altitude vehicle-mounted positioning terminal integrating Lora auxiliary communication | |
| CN202929409U (en) | Movable type satellite communication earth station antenna servo system operating means | |
| CN203377871U (en) | Built-in communication module of portable meteorological instrument | |
| CN100556167C (en) | A kind of method for dual-mode handset power management | |
| CN203191802U (en) | Remote monitoring and controlling system of vehicle | |
| CN202735519U (en) | GPS tracker specially for transportation of railway container |
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: 20110420 Termination date: 20150928 |
|
| EXPY | Termination of patent right or utility model |