CN202557302U - Portable GPS (global positioning system) vehicular terminal based on CDMA (code division multiple access) network - Google Patents
Portable GPS (global positioning system) vehicular terminal based on CDMA (code division multiple access) network Download PDFInfo
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- CN202557302U CN202557302U CN2012201482972U CN201220148297U CN202557302U CN 202557302 U CN202557302 U CN 202557302U CN 2012201482972 U CN2012201482972 U CN 2012201482972U CN 201220148297 U CN201220148297 U CN 201220148297U CN 202557302 U CN202557302 U CN 202557302U
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Abstract
The utility model discloses a portable GPS (global positioning system) vehicular terminal based on a CDMA (code division multiple access) network. The portable GPS vehicular terminal based on the CDMA network comprises a microprocessor, a GPS positioning module, a CDMA wireless communication module, a camera, a Flash serial memory, a watchdog module and an I/O (input/output) optical coupler isolation module. The GPS positioning module and the CDMA wireless communication module are respectively connected with the microprocessor through UART (universal asynchronous receiver transmitter) interfaces. The I/O optical coupler isolation module comprises three pairs of input and output ports, two input ends of the I/O optical coupler isolation module are connected with an alarm button and an ignition switch respectively, and the other input end of the I/O optical coupler isolation module is connected onto the microprocessor while the corresponding output end is connected with a fuel and power cutoff relay. The portable GPS vehicular terminal based on the CDMA network is capable of shooting vehicular onsite information of motor vehicles in real time and sending the information to a server, is further capable of remotely cutting off fuel and power of vehicles and avoiding getting on the vehicles for operation, and has the advantages of small size, convenience in mounting and use, stability in performance, high positioning precision, low cost and the like.
Description
Technical field
The utility model relates to a kind of portable GPS car-mounted terminal based on cdma network.
Background technology
GPS (Global Positioning System) car-mounted terminal relies on technological means such as satellite positioning, geography information and radio communication; Can grasp the vehicle location coordinate in real time; And this position coordinate and the road data in the transportation database stored compared; And then calculate present road that goes of vehicle and actual position, the software and hardware system ensemble of management and running information is provided for the traffic of daily self-propelled vehicle and logistics transport enterprise etc.
The GPS vehicle-mounted terminal system is not provided with camera in the prior art; The travel conditions of camera motor-car and be sent to server in real time; Be not easy to the vehicle field data is carried out real time recording and reads; When traffic accident takes place to go wrong in the perhaps vehicle operating on the way, can not clearly know particular case, can not in time succour; In addition, existing GPS car-mounted terminal can not carry out long-range oil-break power break to vehicle, and oil-break power break still needs operation onboard, and is very inconvenient.
The utility model content
The purpose of the utility model is to solve the deficiency of existing GPS car-mounted terminal; A kind of later-model portable GPS car-mounted terminal based on cdma network is provided; Overcome existing GPS car-mounted terminal in real time the camera motor-car travel conditions and be sent to server, be not easy to the vehicle field data is carried out real time recording and reads; Can not carry out long-range oil-break power break to vehicle, oil-break power break still needs operation onboard, and is very inconvenient; Volume is big, be not easy to install and use shortcomings such as unstable properties, accuracy of positioning difference and cost height.
The purpose of the utility model realizes through following technical scheme: based on the portable GPS car-mounted terminal of cdma network; It comprises microprocessor, GPS locating module, cdma wireless communication module, camera, Flash serial ports memory device, watchdog module and I/O light-coupled isolation module; The GPS locating module is connected with microprocessor through the UART interface respectively with the cdma wireless communication module; Camera is connected with microprocessor through serial interface; Flash serial ports memory device is connected with microprocessor through spi bus, and watchdog module is connected with microprocessor through bus; I/O light-coupled isolation module comprises three pairs of IO ports; Its two input ends are connected with ignition lock with the warning button respectively; Corresponding mouth is connected on the microprocessor; Another input end of I/O light-coupled isolation module is connected on the microprocessor, and corresponding mouth is connected with the oil-break electrical relay.
The described microprocessor of the utility model is the STM32 family chip.
The beneficial effect of the utility model is: camera in real time the camera motor-car travel conditions and be sent to server; Be convenient to the vehicle field data is carried out real time recording and reads; When traffic accident takes place to go wrong in the perhaps vehicle operating on the way, can timely clear and definite particular case also in time implement to succour; Can long-rangely carry out oil-break power break, need not the operation of getting on the bus again vehicle; Have in addition volume little, be convenient to install and use, abundant warning function is provided, stable performance, characteristics such as accuracy of positioning height and cost are low.
Description of drawings
Fig. 1 is the utility model structural representation block diagram.
The specific embodiment
The technical scheme of the utility model is described in further detail: as shown in Figure 1 below in conjunction with accompanying drawing; Portable GPS car-mounted terminal based on cdma network; It comprises microprocessor, GPS locating module, cdma wireless communication module, camera, Flash serial ports memory device and I/O light-coupled isolation module, and microprocessor is STM32 family chip STM32F103xB.GPS locating module and cdma wireless communication module are respectively through UART (Universal Asynchronous Receiver/Transmitter; Universal asynchronous reception/sending set) interface is connected with microprocessor; Camera is connected with microprocessor through the RS-232 serial interface, and Flash serial ports memory device is connected with microprocessor through spi bus, and I/O light-coupled isolation module comprises three pairs of IO ports; Its two input ends are connected with ignition lock with the warning button respectively; Corresponding mouth is connected on the microprocessor, and another input end of I/O light-coupled isolation module is connected on the microprocessor, and corresponding mouth is connected with the oil-break electrical relay.This GPS car-mounted terminal also comprises a watchdog module, and watchdog module is connected with microprocessor through bus.
The radical function of the utility model comprises: the monitoring location: regularly upload locating information, the passback frequency can long-rangely be set, and minimum 2 seconds, maximum 600 seconds, igniting and the flame-out upload mechanism that can divide data when being arranged no-fix.Auto sleep: when flame-out, between dormancy and mode of operation, switch automatically, low in energy consumption, can practice thrift 80% the energy.Long-range oil-break power break: the oil-break power break interface is provided, can long-rangely carries out oil-break power break to vehicle.Warning function is abundant, nearly 8 kinds of warning functions can be provided: (1) emergency alarm: the emergency alarm interface is provided, can realizes manual warning, press the button, trigger and report to the police; (2) power alarm: equipment does not have externally fed, and for example equipment is removed by force, triggers and reports to the police; (3) warning of crossing the border: the vehicle ' scope exceeds preset fence zone, triggers and reports to the police; (4) illegal moving vehicle is reported to the police: vehicle is the shift position when non-fired state, as by trailer, triggers and reports to the police; (5) overspeed alarming: Vehicle Speed exceeds speed limit, triggers and reports to the police, and the outer speed limit of speed limit and fence can be provided with respectively in the fence; (6) undervoltage warning: the 12v storage battery, when voltage is lower than 8v, triggers and report to the police; The 24v storage battery, voltage is lower than 17v, triggers and reports to the police; (7) warning of going of forbidden time: vehicle took place in the forbidden time period that is provided with move, trigger and report to the police; (8) gps antenna fault alarm: gps antenna fault (open circuit), be removed like antenna, trigger and report to the police.Note is informed: important alert event takes place, and equipment sends the alarming short message notice and sets number (can set two numbers).Blind area compensation: the compression passback of 2000 information points, the order of first in first out.Under-voltage protection: effectively protect storage battery, prolong storage battery service life.Fence: can set 20 FX, vehicle gets into and leaves designated area, trigger notice.SMS configuration parameter: can change terminal parameter through central number and password authentification.
Claims (2)
1. based on the portable GPS car-mounted terminal of cdma network; It is characterized in that: it comprises microprocessor, GPS locating module, cdma wireless communication module, camera, Flash serial ports memory device, watchdog module and I/O light-coupled isolation module; The GPS locating module is connected with microprocessor through the UART interface respectively with the cdma wireless communication module; Camera is connected with microprocessor through serial interface; Flash serial ports memory device is connected with microprocessor through spi bus, and watchdog module is connected with microprocessor through bus; I/O light-coupled isolation module comprises three pairs of IO ports; Its two input ends are connected with ignition lock with the warning button respectively; Corresponding mouth is connected on the microprocessor; Another input end of I/O light-coupled isolation module is connected on the microprocessor, and corresponding mouth is connected with the oil-break electrical relay.
2. the portable GPS car-mounted terminal based on cdma network according to claim 1, it is characterized in that: described microprocessor is the STM32 family chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201482972U CN202557302U (en) | 2012-04-10 | 2012-04-10 | Portable GPS (global positioning system) vehicular terminal based on CDMA (code division multiple access) network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201482972U CN202557302U (en) | 2012-04-10 | 2012-04-10 | Portable GPS (global positioning system) vehicular terminal based on CDMA (code division multiple access) network |
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| Publication Number | Publication Date |
|---|---|
| CN202557302U true CN202557302U (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201482972U Expired - Lifetime CN202557302U (en) | 2012-04-10 | 2012-04-10 | Portable GPS (global positioning system) vehicular terminal based on CDMA (code division multiple access) network |
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| CN (1) | CN202557302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106790517A (en) * | 2016-12-19 | 2017-05-31 | 广西升禾环保科技股份有限公司 | A kind of car-mounted terminal |
-
2012
- 2012-04-10 CN CN2012201482972U patent/CN202557302U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106790517A (en) * | 2016-12-19 | 2017-05-31 | 广西升禾环保科技股份有限公司 | A kind of car-mounted terminal |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121128 |
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| CX01 | Expiry of patent term |