CN201766711U - Satellite navigation vehicle-mounted terminal monitoring system - Google Patents

Abstract

The utility model relates to a satellite navigation vehicle-mounted terminal monitoring system which comprises a terminal host, a system platform and a client terminal; the terminal host comprises a casing, a main circuit board, a main panel, a back panel and a bottom panel; the main circuit board comprises a wireless communication GPRS (General Packet Radio Service) module, a GPS positioning module, a recorder module, a CPU board, an FM (Frequency Modulation) memory, a 4G-SD card memory, an LCD display screen interface, a function button interface, a buzzer interface, a USB interface, an RS232 interface, an IC card interface and a CAN interface, wherein the CPU board adopts an ARM9 microprocessor; the main panel comprises an LCD display screen, a function button, an I/O connecting port, a buzzer and an IC card jack, wherein the I/O connecting port comprises a jack B and a jack RS232; the back panel comprises a CAN connecting port, an antennal interface of a wireless communication GPRS module and a power line interface; the bottom panel comprises an SIM card slot; and a wireless communication network (GPRS) is used as a communication medium; therefore, the system is widely applied to a vehicle system by adopting the GPS positioning technology, the navigation function and the real-time clock function.

Description

Satellite navigation car-mounted terminal supervisory control system

Technical field:

The utility model relates to a kind of electronic system, and the utility model relates to a kind of automobile electronic system in particular.

Background technology:

Current traditional automobile travel recorder can only be inquired about on the spot, subsequent supervision as: drive over the speed limit, overtime fatigue driving; Novel GPS recorder can carry out real-time remote monitoring, but less because of memory capacity, can not store navigation and using electronic chart, because of communications protocol incompatible, can not realize resource-sharing with automobile CAN-bus formula digital instrument, can not show fuel consumption information in real time.

Summary of the invention

The purpose of this utility model is to provide a kind of system scheme based on GPS monitor terminal, satellite navigation and wireless communication networks.

The utility model increases central processor CPU, GPRS/CDMA module, third generation SIRF high performance chips on the basis of GPS monitor terminal, formation satellite fix, satellite navigation, the record telecommunication network that travels are monitored all-in-one in real time.Utilize wireless communication networks (GPRS) as medium of communication, utilize the advanced person's of GPS location technology, navigation, real-time clock function and ARM9 microcontroller, little processing capacity, in conjunction with utilization vector quantization geography information electronic chart software and system development platform, realize functions such as accurate location, dynamic navigation, overspeed alarming, report from a liner police more, oil consumption detection, Chinese sending and receiving short messages, image transmission, the supervision of vehicle operation state to vehicle.

The utility model is made up of end host, system platform, client terminal; End host is made of housing (1), main circuit board (2), main panel (3), backplate (4), bottom panel (5); Main circuit board (2) shows screen interface (12), function button interface (13), buzzer interface (14), USB interface (15), RS232 interface (16), IC-card interface (17), CAN interface (18) formation by wireless telecommunications GPRS module (6), GPS locating module (7), recorder module (8), CPU board (9), FM holder (10), 4G-SD card holder (11), LCD, and wherein CPU board promptly is the ARM9 microprocessor; Main panel (3) is made of LcD display screen (19), function button (20), I/O connector, buzzer (23), IC-card socket (24), and wherein the I/0 connector comprises USB socket (21), RS232 socket (22); Backplate (4) is made of CAN connector (25), wireless telecommunications GPRS module antenna interface (26) and gps antenna interface (27), electric source line interface (28); Bottom panel (5) is made of sim card slot (29).

The system platform of native system is carried out Data Receiving and storage by mobile gateway, client terminal carries out real time data displaying, trace playback or downloads storing by the Internet network, the CAN interface is connected with vehicle CAN bus, resource-sharing, display screen shows that wireless telecommunications GPRS module, GPS locating module, CPU board meet home control network communication protocol, GPS communication protocol; RTlinux embedded OS, CAN interface, expansion interface RS232 serial ports meet communications protocol; Keyboard, voice output, the display driver webcam driver meets display protocol, home control network communication protocol is corresponding to wireless communication networks GPRS/CDMA, the GPS communications protocol is corresponding to the GPS communication system, the RTlinux embedded OS is operated corresponding to whole system, expansion interface RS232 socket is corresponding to external expansion equipment camera, the RS232 communications protocol is used for each module, communicating by letter and the function button interface between external equipment and master cpu, function button is corresponding to the button operation of display screen, voice output is corresponding to the built-in buzzer of main panel, and display driver is corresponding to the LCD display of 3.5-7.0 inch.

What the utility model CPU board adopted is advanced at present ARM9 chip, and operating system is the superior RTlinux embedded OS of the superior RT of function, compares the terminal of the no operating system of tradition, and function is more powerful.

When the utility model uses, be fixed in panel board top in the car, two antennas are pasted on (or car is outer) glass right side, the place ahead inferior horn in the car, power supply uses vehicle power (reaching 5V through transformation) to use.

The key technical indexes of the present utility model is as follows:

A) voltage source voltage DC 5-24V

Signal voltage DC 11-36V

B) current sinking is not more than 80mA (show state)

C) record vehicle speed range 0-255km/h

D) the measuring range 0-999999.9km of distance travelled

E) sampling rate 0.2s

F) speed of a motor vehicle resolution 1km/h

G) clock resolution 1s

H) record switching signal quantity is 8

I) data capacity 32M (can expand 64M, 128M ...)

J) overspeed alarming limit value 80km/h (can set arbitrarily)

K) power down protection capability is more than 10 years

L) size and weight:

Vehicle monitor terminal main frame 178 * 146 * 50mm 1kg

Stube cable 0.35kg

Functional overview of the present utility model is as follows:

(1) self-checking function: self check when system powers on, just often, screen shows " OK "; Otherwise, the prompting fault message;

(2) fatigue driving is reported to the police: after can accumulative total was driven a vehicle 7 hours 50 minutes in continuing driving 3 hours 50 minutes or 24 hours, show mode every 5 minutes prompting drivers with buzzing and screen; Point out altogether three times; Can check at any time continuous running time;

The collection of (3) fatigue driving data and record;

(4) collection of accident doubtful point and record write down 12 groups of data;

The collection and the record of (5) 360 hours accumulative total distance travelleds;

(6) collection and the record of per minute average speed in the speed of a motor vehicle 360 hours are arranged;

(7) nearest 20 the uploading and down operation of logger computer to recorder;

(8) illegal IC-card service recorder;

(9) collection of driver's code and driver license number and record;

(10) this cut-off time is played the collection and the record of per minute average speed in preceding 15 minutes;

(11) overspeed alarming: administrative department sets three step velocity values, and the driver can select three step velocity values; This is a function newly-increased on international basis;

(12) by RS-232 interface and computer communication, carry out data upload and download; Be furnished with USB holotype interface, can carry out data by USB flash disk and download;

(13) dot matrix Chinese liquid crystal display interface, clear display is directly perceived;

(14) IC-card is a driver card, is used for discerning driver identification, and summary record driver archives;

(15) onboard clock;

(16) recorder can be expanded the GPS vehicle-mounted machine, can show longitude and latitude simultaneously.

Recorder operation of the present utility model is as follows:

(1) front panel function diagram

(2) LCDs: can see Chinese or English interface information intuitively

(3) IC-card slot: require IC-card to get an electric shock, and tip side inserts forward towards last.If driver card inserts when effective, then show corresponding driver's code, printed words disappear " not have card " simultaneously.If insert when invalid, then show " illegal IC-card ", then recover default screen after extracting.

(4) RS232 interface: be used for computer between communication be connected.With the RS232 serial port connecting wire, an end is connected on the computer COM port, and an end is connected on the recorder interface and uses.The plug of should cutting off the power supply of this line.

(5) USB interface: be used for the transfer of data of recorder is arrived USB flash disk.

(6) button operation:

A) " print (PRINT) " key: only under dead ship condition, recorder just can print operation. behind " printing (PRINT) " key, screen shows " printing? " if determine and to print, please by " confirming (OK) " key; Otherwise, please by

Key or " ▲ " key.

B) " ▲ " (on turn over) key or

(turning over down) key: use two keys, can select to check " 15 fens speed of a motor vehicle ", " fatigue driving record ", " setting of hypervelocity value ", " writing data to USB flash disk ", information such as " characteristic coefficients ".

C) " confirm (OK) " key: when needs enter a certain function submenu, press this key first and then enter submenu, return parent menu by this key again.In addition, can be at any time under the default screen state, check continuously and carry out running time by this key.

(7) IC-card operation:

IC-card is a driver card, is used for discerning driver identification, should insert the driver card identity verification before the driving.If extract driver card, should after parking, extract driver card.

Host service function example of the present utility model is as follows:

Example 1: during default screen, show

12:12:34 127km/h 0001321↓

The operator presses

Behind the key, show

15 minutes speed of a motor vehicle? ■ ↑ fatigue driving record? ↓

If the operator presses

Behind the key, show

15 minutes speed of a motor vehicle? ↑ fatigue driving record? ■ ↓

If the operator presses Behind the key, show

Is the hypervelocity value set? ■ ↑ write data to USB flash disk? ↓

If the operator presses

Behind the key, show

If the operator presses Behind the key, show

If the operator presses

Behind the key, return default screen,, return a screen by behind " ▲ " key; Otherwise, after 20 seconds, return default screen.

Description of drawings:

Fig. 1 is an overall appearance structural representation of the present utility model

Fig. 2 is this practical main circuit board vertical view

Fig. 3 is a front view of the present utility model

Fig. 4 is a rearview of the present utility model

Fig. 5 is a upward view of the present utility model

Fig. 6 is circuit theory diagrams of the present utility model

Embodiment:

In conjunction with the accompanying drawings 2,6 pairs of the utility model of accompanying drawing are described in detail:

In accompanying drawing 2, GPS module (7) is accepted the satellite-signal of position, is delivered to central cpu (9); CPU (9) handles the longitude and latitude signal that calculates, and is transferred to LCD and shows screen (12); Recorder module (8) is transferred to central cpu (9) with the digital signal of vehicle speed sensor; CPU (9) handles the rate signal that calculates, and is transferred to LCD and shows screen (12); FM holder (10) store software programs, 4G-SD card holder (11) storing electronic map and data such as car speed, oil consumption, by IC-card (17) is the driver identification identification card, USB (21) is convenient to the data of flash disk copy record, the camera that also can connect outside expansion is captured condition diagram picture in the car, CPU (9) handles all data of calculating, by GPRS module (16) antenna, data-signal emission in real time is transferred to the database of mobile network, be transmitted via Internet to system platform, client terminal will be by internet real time inspection vehicle condition.In accompanying drawing 6: automobile storage battery 24V-36V DC power supply, the direct current that is pressed onto 5V through resistance drop is connected with the GPS module, for GPS module operation work, through GPS inside modules level conversion is the 3.7V direct current, supply with central cpu and handle computing, flat turn through the central cpu internal electrical again and be changed to 3.3V and 3.7V direct current, 3.3V direct current is supplied with the GPS module respectively, recorder module, FM holder work operation, 3.7V direct current is supplied with 4G-SD card holder respectively, LCD display, buzzer, the I/O interface, IC-card, CAN interface work operation, connecting control all has the function corresponding button control.

Claims (3)

1. satellite navigation car-mounted terminal supervisory control system is characterized in that it is made up of end host, system platform, client terminal; End host is made of housing (1), main circuit board (2), main panel (3), backplate (4), bottom panel (5); Main circuit board (2) shows screen interface (12), function button interface (13), buzzer interface (14), USB interface (15), RS232 interface (16), IC-card interface (17), CAN interface (18) formation by wireless telecommunications GPRS module (6), GPS locating module (7), recorder module (8), CPU board (9), FM holder (10), 4G-SD card holder (11), LCD, and wherein CPU board promptly is the ARM9 microprocessor; Main panel (3) is made of LCD display (19), function button (20), I/O connector, buzzer (23), IC-card socket (24), and wherein the I/O connector comprises USB socket (21), RS232 socket (22); Backplate (4) is made of CAN connector (25), wireless telecommunications GPRS module antenna interface (26) and gps antenna interface (27), electric source line interface (28); Bottom panel (5) is made of sim card slot (29).

2. satellite navigation car-mounted terminal supervisory control system according to claim 1, it is characterized in that described system platform carries out Data Receiving and storage by mobile gateway, client terminal carries out real time data displaying, trace playback or downloads storing by the Internet network, CAN interface (18) is connected with vehicle CAN bus, resource-sharing, display screen shows that wireless telecommunications GPRS module (6), GPS locating module (7), CPU board (9) meet home control network communication protocol, GPS communication protocol; RTlinux embedded OS, CAN interface, expansion interface RS232 serial ports meet communications protocol; Keyboard, voice output, display driver, home control network communication protocol is corresponding to wireless communication networks GPRS/CDMA, the GPS communications protocol is corresponding to the GPS communication system, the RTlinux embedded OS is operated corresponding to whole system, expansion interface RS232 socket (22) is corresponding to external expansion equipment camera, the RS232 communications protocol is used for each module, communicating by letter and debugging interface between external equipment and master cpu, function button is corresponding to the button operation of display screen, voice output is corresponding to the built-in buzzer (23) of main panel (3), and display driver is corresponding to the LCD display (19) of 3.5-7.0 inch.

3. satellite navigation car-mounted terminal supervisory control system according to claim 1, it is characterized in that client terminal adopts the ARM9 chip, operating system is Rtlinux, map of navigation electronic is stored in 4GSD card holder, the built-in third generation SIRF of GPS locating module high performance chips, external expansion equipment comprises camera.

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