CN2625913Y - Integral satellite positioning vehicular terminal - Google Patents
Integral satellite positioning vehicular terminal Download PDFInfo
- Publication number
- CN2625913Y CN2625913Y CNU032518145U CN03251814U CN2625913Y CN 2625913 Y CN2625913 Y CN 2625913Y CN U032518145 U CNU032518145 U CN U032518145U CN 03251814 U CN03251814 U CN 03251814U CN 2625913 Y CN2625913 Y CN 2625913Y
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- interface circuit
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Abstract
The utility model relates to an integrated satellite positioning vehicle carried terminal. An antenna RF of a satellite positioning device is connected with an interface circuit via a signal sending serial port and a signal receiving serial port of a GPS module; a serial port of a central processing unit is connected with the interface circuit, and received positioning information and state information are transferred to the central processing unit; the antenna RF is connected with the corresponding port of an RS232 interface circuit via a signal sending serial port and a signal receiving serial port of a GSM module; the port of a serial port P3.2 of the central processing unit is connected with the corresponding port of the RS232 interface circuit to exchange the information with the mobile message center to complete the real-time monitoring on controlled vehicles; the data port of the central processing unit is respectively connected with a program memory ROM and a data memory RAM via a latch to complete the program storage and the data storage. The utility model receives the satellite positioning data and the state information of the vehicles, and the data and the information are converted into the protocol format are transferred back to the center via the GSM network in the way of short message.
Description
Technical field:
The utility model provides a kind of integrated satnav car-mounted terminal, relates to the operation conditions system of real-time monitoring vehicle, belongs to the device for monitoring vehicle technical field.
Background technology:
Utilize global position system that vehicle running state is monitored, carry out scientific management and become existing technology, but the volume of existing end product is bigger, brings certain difficulty to installation.GPS module and gsm module all have the circuit board of oneself, adopt the mode of line to be connected to motherboard, and different AUI circuit differences do not possess versatility, and therefore, there is the performance problem of unstable in equipment.
Summary of the invention:
The utility model provides a kind of integrated satnav car-mounted terminal, by selecting the device of miniaturization more for use, has reduced terminal volume.SIM card adopts special mode to connect with motherboard, has reduced taking of space, has improved the reliability that connects.Adopt the bus mode coupling, made things convenient for the connection of various annexes.
The utility model adopts the GPS module that location technology and GSM communication network are provided, and forms protocol format through data-switching on central processing unit, sends Surveillance center by gsm module to by the GSM network, realizes vehicle running state is monitored in real time.With receiving the running status of gps satellite locator data and some vehicles, return to the center by the mode of GSM network with short message, the center is monitored in real time and is managed vehicle.The control command of receiving center is carried out measures such as monitoring, oil-break power break, if external bar shaped display screen can also be realized the scheduling of center to vehicle to vehicle.
Concrete technical solution is as follows: satellite positioning device comprises that GPS module, antenna RF and RS232 interface circuit constitute, antenna RF is connected with GPS module radiofrequency signal end, the signal sending serial port and signal TX of GPS module, reception serial ports RX are connected with the corresponding port of RS232 interface circuit, serial ports TX0, the RX0 of central processor CPU is connected with the corresponding port of RS232 interface circuit, and the location, the status information that receive are passed to central processing unit; The GSM communication device comprises that GSM communication module, antenna RF and RS232 interface circuit constitute, antenna RF is connected with gsm module radiofrequency signal end, the signal sending serial port and signal of gsm module, reception serial ports are connected with the corresponding port of RS232 interface circuit, the serial ports P3.2 port of central processor CPU is connected with RS232 interface circuit corresponding port, with SMS (Short Messaging Service) center exchange message, finish real-time monitoring to controlled vehicle; The most-significant byte that the FPDP of central processor CPU is made the one 8 of address and address port by latch meets program memory ROM and data-carrier store RAM respectively, finishes procedure stores and data storage; Reset circuit and EEROM chip are connected with the P1 mouth of CPU, realize cpu reset and parameter memory function.The crystal oscillator input of central processor CPU, output terminal XTAL1, XTAL2 are connected with crystal oscillating circuit by electric capacity, and power circuit provides power supply by VCC for CPU, GPS module, RS232 interface circuit.
Good effect of the present utility model is: GPS, gsm module all are incorporated on the pcb board, have removed RS232 interface conversion circuit and connection line, reduced to take up room and the unreliability brought of line, remove the fault that line brings between plate.Mode with bus connects external accessory, can connect various annex easily.Receive gps satellite locator data and vehicle state information and accessory information, become protocol format, return to the center by the form of GSM network with short message through data-switching.
Description of drawings:
Fig. 1 is the utility model circuit theory diagrams.
Embodiment:
According to Fig. 1, the crystal oscillator input of central processor CPU (W78C32 model), output terminal XTAL1, XTAL2 are connected with crystal oscillating circuit by electric capacity, reset circuit connects the reset terminal of CPU, serial ports TX, the RX of CPU is connected with the corresponding port of RS232 interface circuit, gps antenna RF is connected with GPS module radiofrequency signal, and location, the status information that receives is connected with the corresponding port of RS232 interface circuit by signal sending serial port and signal TX, the reception serial ports RX of GPS module.Power circuit provides power supply by VCC for CPU, GPS module, RS232 interface circuit.The RS232 interface circuit of GSM communication module is connected with the P3.2 port of CPU, with SMS (Short Messaging Service) center exchange message, finishes the real-time monitoring to controlled vehicle; The P0 mouth of CPU is made the one 8 A0-A7 in address as FPDP by latch, and the P2 mouth meets program memory ROM and data-carrier store RAM respectively as the most-significant byte of address, finishes procedure stores and data storage; Reset circuit and EEROM chip are connected with the P1 mouth of CPU, realize cpu reset and parameter memory function.
Directly insert the automobile power level; provide stable dc power supply through overvoltage crowbar for terminal; be GSM through voltage conversion circuit again; the GPS module for power supply; the GPS module provides locating information; form protocol format in CPU (central processing unit) through data-switching, send Surveillance center to by the GSM network, realize monitoring in real time by gsm module.CPU (central processing unit) connects various annexes by external bus, receives accessory information.The online programming module connects CPU (central processing unit) and online upgrading device, refresh routine memory content, upgrading terminals version.
Claims (1)
1, integrated satnav car-mounted terminal, comprise satellite positioning device, GSM communication device and central processing unit, the crystal oscillator input of central processor CPU, output terminal XTAL1, XTAL2 is connected with crystal oscillating circuit by electric capacity, reset circuit and EEROM chip are connected with the P1 mouth of CPU, realize that cpu reset and parameter memory function power circuit are CPU by VCC, the GPS module, the RS232 interface circuit provides power supply, it is characterized in that: satellite positioning device is by the GPS module, antenna RF and RS232 interface circuit constitute, antenna RF is connected with GPS module radiofrequency signal end, the signal sending serial port and signal TX of GPS module, receiving serial ports RX is connected with the corresponding port of RS232 interface circuit, the serial ports TX of central processor CPU, RX is connected with the corresponding port of RS232 interface circuit, with the location that receives, status information is passed to central processing unit; The GSM communication device is made of GSM communication module, antenna RF and RS232 interface circuit, antenna RF is connected with gsm module radiofrequency signal end, the signal sending serial port and signal of gsm module, reception serial ports are connected with the corresponding port of RS232 interface circuit, the serial ports P3.2 port of central processor CPU is connected with RS232 interface circuit corresponding port, with SMS (Short Messaging Service) center exchange message, finish real-time monitoring to controlled vehicle; The most-significant byte that the FPDP of central processor CPU is made the one 8 of address and address port by latch meets program memory ROM and data-carrier store RAM respectively, finishes procedure stores and data storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032518145U CN2625913Y (en) | 2003-07-23 | 2003-07-23 | Integral satellite positioning vehicular terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032518145U CN2625913Y (en) | 2003-07-23 | 2003-07-23 | Integral satellite positioning vehicular terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2625913Y true CN2625913Y (en) | 2004-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032518145U Expired - Lifetime CN2625913Y (en) | 2003-07-23 | 2003-07-23 | Integral satellite positioning vehicular terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2625913Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496299A (en) * | 2011-12-07 | 2012-06-13 | 福州大学 | Bus subsystem based on RFID (radio frequency identification) technology and GPRS (General Packet Radio Service) technology |
| CN106335392A (en) * | 2016-08-31 | 2017-01-18 | 广州地理研究所 | Electric bus state monitoring system based on automobile electronic identifier and monitoring method thereof |
-
2003
- 2003-07-23 CN CNU032518145U patent/CN2625913Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496299A (en) * | 2011-12-07 | 2012-06-13 | 福州大学 | Bus subsystem based on RFID (radio frequency identification) technology and GPRS (General Packet Radio Service) technology |
| CN106335392A (en) * | 2016-08-31 | 2017-01-18 | 广州地理研究所 | Electric bus state monitoring system based on automobile electronic identifier and monitoring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGCHUN FAW QIMING INFORMATION TECHNOLOGY CO., L Free format text: FORMER NAME OR ADDRESS: FAW QIMING INFORMATION TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: FAW Qiming Information Technology Co., Ltd. Patentee before: Qiming Information Technology Co., Ltd., Changchun No.1 Automobile Plant |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130723 Granted publication date: 20040714 |