CN203164653U

CN203164653U - Vehicle-borne module of remote logistics vehicle monitoring system

Info

Publication number: CN203164653U
Application number: CN 201320182169
Authority: CN
Inventors: 刘牛; 张炳力; 袁仕越; 贾伟伟; 柴玲欢; 吴志清
Original assignee: Hefei University of Technology
Current assignee: Hefei University of Technology
Priority date: 2013-04-12
Filing date: 2013-04-12
Publication date: 2013-08-28
Anticipated expiration: 2023-04-12

Abstract

The utility model discloses a vehicle-borne module of a remote logistics vehicle monitoring system. The vehicle-borne module is characterized by comprising a main-control single chip microcomputer module, a GPRS module, a GPS module, an LCD display module and a monitoring center. The main-control single chip microcomputer module receives vehicle information transmitted by the GPS module through a serial communication mode and analyzes the vehicle information, obtained analytical data is displayed through the LCD display module, and the main-control single chip microcomputer module transmits the vehicle information to the GPRS module through a serial communication mode; and the GPRS module transmits the received vehicle information to the monitoring center through a GIS network. The vehicle-borne module of the remote logistics vehicle monitoring system is low in cost and simple in design and can integrate the GPS module, the GPRS module and the GIS network technology so as to strengthen real-time monitoring on a logistics vehicle.

Description

The vehicle-mounted module of logistics vehicles long distance control system

Technical field

The utility model relates to a kind of vehicle-mounted module, specifically a kind of vehicle-mounted module that is applied in the logistics distribution process.

Background technology

The development of China's vehicle monitoring system is mainly since the initial stage nineties, appear at first on official vehicle and the special vehicle, beginning in 2004, along with the progressively continuous expansion ripe and perfect, area coverage of the GPRS function of GSM network, the vehicle monitoring market demand is obvious.But this type of supervisory system is based on a certain or two technology of GPS, GPRS or GIS mostly, seldom has the three is merged, and therefore, in function bigger limitation is arranged.

The utility model content

The utility model is for avoiding above-mentioned existing in prior technology weak point, provide low, simple in structure, the blanket logistics vehicles long distance control system of a kind of cost vehicle-mounted module, can merge GPS module, GPRS module and GIS network technology, thereby strengthen the real-time monitoring to logistics vehicles.

The utility model adopts following technical scheme for the technical solution problem:

The design feature of the vehicle-mounted module of a kind of logistics vehicles long distance control system of the utility model is: the composition of described vehicle-mounted module comprises main control singlechip module, GPRS module, GPS module, LCD display module and Surveillance center; Described main control singlechip module receives the information of vehicles that described GPS module is transmitted by the mode of serial communication, and described information of vehicles resolved, the resolution data that obtains shows that by the LCD display module described main control singlechip module passes to described GPRS module by the mode of serial communication with described information of vehicles simultaneously; Described GPRS module is given Surveillance center with received information of vehicles by the GIS network delivery.

The design feature of the vehicle-mounted module of the utility model logistics vehicles long distance control system also is:

Described main control singlechip module adopts STC12C5A60S2 type single-chip microcomputer.

Described STC12C5A60S2 type single-chip microcomputer with the pass connected in series of described GPS module is: the VCC pin of described STC12C5A60S2 type single-chip microcomputer is connected with the GND pin with the 5V pin of described GPS module respectively with the GND pin, and the RXD pin of described STC12C5A60S2 type single-chip microcomputer is connected with the TTLRX pin respectively at the TTLTX pin on the described GPS module with the TXD pin.

Described STC12C5A60S2 type single-chip microcomputer with the pass connected in series of described GPRS module is: the VCC pin of described STC12C5A60S2 type single-chip microcomputer links to each other with VCC pin and the GND pin of described GPRS module respectively with the GND pin, and the P1.2 pin of described STC12C5A60S2 type single-chip microcomputer links to each other with the GRX pin with the GTX pin of described GPRS module respectively with the P1.3 pin.

The annexation of described STC12C5A60S2 type single-chip microcomputer and described LCD display module is: the P0.0 pin of described STC12C5A60S2 type single-chip microcomputer to P0.7 pin is connected to the DB0 pin of described LCD display module in turn to the DB7 pin, is used for transmitting described resolution data; The VCC pin that VDD pin and the A pin of described LCD display module inserted described STC12C5A60S2 type single-chip microcomputer respectively, VSS pin on the described LCD and K pin are inserted the GND pin of described STC12C5A60S2 type single-chip microcomputer respectively, be used for giving described LCD display module power supply; RS pin on the described LCD display module and RW pin are connected on the P3.5 pin of described STC12C5A60S2 type single-chip microcomputer respectively and the P3.6 pin, and the E pin of described LCD display module links to each other with the P3.7 pin with STC12C5A60S2 type single-chip microcomputer P3.4 pin respectively with the PSB pin.

Compared with the prior art, the beneficial effects of the utility model are embodied in:

1, STC12C5A60S2 type Single-chip Controlling Performance And Reliability height of the present utility model, encryption is strong, can't decipher, can guarantee the safety of information of vehicles, and STC12C5A60S2 type Single Chip Microcomputer (SCM) system carries programing function, need not programmable device, need not emulator, can carry out remote upgrade.

2, LCD display module of the present utility model has the little power consumption of low pressure, the characteristics that outward appearance is small and exquisite, and thickness has only 6.5 ~ 8mm, and passive demonstration does not stimulate human eye, and panel shows and to contain much information, and is easy to colorize, electromagnetic-radiation-free.

3, GPS module tracks of the present utility model is highly sensitive, the acquisition sensitivity height, and nearly 48 PRN channels are followed the tracks of low-power consumption, disturb in the band to eliminate to reach 80dB-Hz.

Advantages such as 4, GPRS module of the present utility model has speed responsive fast, and the uninterrupted and transmission cost of transmission is low.The GPRS Data transmission is by flow charging, and is cheap, can really accomplish always onlinely, is vital for supervisory system.

5, the utility model is realized real-time monitoring and management to logistics vehicles by merging GPS module, GPRS module and GIS network, significantly improve efficient and the level of logistics management, reduce unnecessary train number and personnel's spending, can reduce effectively because the urban transportation burden that route repeats or the route selection mistake causes helps to strengthen the logistics IT application in enterprise.

Description of drawings

Fig. 1 forms module diagram for the utility model;

Fig. 2 is the utility model single-chip microcomputer and GPS module and GPRS module connection layout;

Fig. 3 is the utility model single-chip microcomputer and LCD connection layout.

Embodiment:

In the present embodiment, vehicle-mounted module effect mainly is the data acquisition function of finishing between single-chip microcomputer and each sensor, receive the GPS locating information, the form of on-the-spot vehicle data with numeral and figure shown in LCD, regularly the data that collect are sent to Surveillance center through data protocol coding back by the GPRS data communication module then.Receive the steering order of Surveillance center simultaneously, finish corresponding operation, Surveillance center operates in the PC platform, comprises user management layer, GIS platform and GPRS communications platform.Concrete grammar is: 1. the GPS module is collected the information such as location, speed of vehicle, passes to one-chip computer module by serial ports.2. one-chip computer module is resolved transmitting the information of coming, and shows these essential informations by the parallel port communication mode in LCD display, and by the serial communication mode information is passed to the GPRS module again.3. the GPRS module passes to Surveillance center by GPRS network with data.

Referring to Fig. 1, the composition of vehicle-mounted module comprises main control singlechip module, GPRS module, GPS module, LCD display module and Surveillance center; The main control singlechip module receives the information of vehicles that the GPS module is transmitted by the mode of serial communication, and information of vehicles resolved, the resolution data that obtains shows by the LCD display module, the main control singlechip module passes to the GPRS module by the mode of serial communication with information of vehicles simultaneously, and the GPRS module is given Surveillance center with received information of vehicles by the GIS network delivery.

In concrete the enforcement, referring to Fig. 2, the main control singlechip module adopts STC12C5A60S2 type single-chip microcomputer; STC12C5A60S2 type single-chip microcomputer has been drawn 40 pins altogether, be respectively P0 ~ P3 road I/O mouth totally 32 pins, add 4 VCC (power supply just) mouthfuls and 4 GND (power supply ground), the pass connected in series of STC12C5A60S2 type single-chip microcomputer and GPS module is: after connecting the GPS receiving antenna, the VCC pin of STC12C5A60S2 type single-chip microcomputer is connected with the GND pin with the 5V pin of GPS module respectively with the GND pin, make gps satellite information can be sent to single-chip microcomputer, the RXD pin of STC12C5A60S2 type single-chip microcomputer and TXD pin respectively with the GPS module on the TTLTX pin be connected with the TTLRX pin, be used for transmitting locating information to single-chip microcomputer, other pins are unsettled.

As shown in Figure 2, have six pins on the GPRS development board, comprise GRX and the GTX of development board self, can with PRX and the PTX of computer serial communication, also have VCC and GND pin in addition.Because this development board is powered separately with power supply, and need not to use and this function of computer serial communication, so need GTX and GRX and these three pins of power supply ground that carry out serial communication with single-chip microcomputer that have only of connection.The pass connected in series of STC12C5A60S2 type single-chip microcomputer and GPRS module is: after the GPRS module is plugged phonecard and connected antenna, the VCC pin of STC12C5A60S2 type single-chip microcomputer is linked to each other with the GND pin with the VCC pin of GPRS module respectively with the GND pin, the P1.2 pin of STC12C5A60S2 type single-chip microcomputer links to each other with the GRX pin with the GTX pin of GPRS module respectively with the P1.3 pin, and all the other pins are unsettled.

As shown in Figure 3, adopt the data of parallel mode to transmit between single-chip microcomputer and the LCD display module, the annexation of STC12C5A60S2 type single-chip microcomputer and LCD display module is: the P0.0 pin of STC12C5A60S2 type single-chip microcomputer to P0.7 pin is connected to the DB0 pin of LCD display module in turn to the DB7 pin, is used for transmitting resolution data; The VCC pin that VDD pin and the A pin of LCD display module inserted STC12C5A60S2 type single-chip microcomputer respectively inserts the GND pin of STC12C5A60S2 type single-chip microcomputer respectively with the VSS pin on the LCD display module and K pin, is used for powering to the LCD display module; RS pin on the LCD display module and RW pin are connected on the P3.5 pin of STC12C5A60S2 type single-chip microcomputer respectively and the P3.6 pin, the E pin of LCD display module links to each other with the P3.7 pin with STC12C5A60S2 type single-chip microcomputer P3.4 pin respectively with the PSB pin, make the LCD display module can show the vehicle specifying information in real time, all the other pins are unsettled.

Software realization aspect: the program of board units has adopted modular Programming Methodology, uses the C language compilation, has debugging conveniently, and is portable high, characteristics such as highly versatile.Program is made up of main program module, gps data processing module, GPRS wireless communication module, LCD display module, data definition and initialization module.

Main program module at first carries out the initialization of module and the definition of timer, set up the loop body of a sealing then, this loop body judges at first whether GPS module and GPRS module are ready, receive the data that the GPS module transmits if then begin by serial ports, call the function resolution data in the gps data processing module, control LCD and show, and data are passed to the GPRS module by another serial ports, the transmission function that calls again in the GPRS module sends data to Surveillance center; If not, then continue initialization up to being ready.In whole master routine, the effect of timer is termly to GPRS module Data transmission and control it and send, and real-time that like this can guarantee information can be avoided the unnecessary flow waste simultaneously again.

The gps data processing module is to the effect that resolved the data that transmit, and goes out the information of needs according to the format analysis of GPS information, as time, longitude and latitude etc.The GPRS wireless communication module is to the effect that by AT instruction control GPRS module.Detailed process is the initialization of GPRS module, and the definition of scene is connected with the selection of connected mode and TCP/IP.These three parts are carried out step by step with the SWITCH statement respectively, can guarantee that like this GPRS module is carried out substep to be arranged, and run into problematic place and just can get back to back and reset, and make the operation of program more stable.In addition be exactly the definition that sends the data subfunction.

The ST7920 controller of to the effect that controlling among the LCD of LCD display module makes LCD show different contents.Data definition module main contents make things convenient for quoting of each subroutine for some character string class global variables of definition.Initialization module then is the comprehensive of each module and timer initialize routine, is beneficial to like this to make the program orderliness more clear, also is convenient to the debugging of program.

Claims

1. the vehicle-mounted module of a logistics vehicles long distance control system, it is characterized in that: the composition of described vehicle-mounted module comprises main control singlechip module, GPRS module, GPS module, LCD display module and Surveillance center; Described main control singlechip module receives the information of vehicles that described GPS module is transmitted by the mode of serial communication, and described information of vehicles resolved, the resolution data that obtains shows that by the LCD display module described main control singlechip module passes to described GPRS module by the mode of serial communication with described information of vehicles simultaneously; Described GPRS module is given Surveillance center with received information of vehicles by the GIS network delivery.

2. the vehicle-mounted module of logistics vehicles long distance control system according to claim 1 is characterized in that described main control singlechip module adopts STC12C5A60S2 type single-chip microcomputer.

3. the vehicle-mounted module of logistics vehicles long distance control system according to claim 2, it is characterized in that described STC12C5A60S2 type single-chip microcomputer with the pass connected in series of described GPS module is: the VCC pin of described STC12C5A60S2 type single-chip microcomputer is connected with the GND pin with the 5V pin of described GPS module respectively with the GND pin, and the RXD pin of described STC12C5A60S2 type single-chip microcomputer is connected with the TTLRX pin respectively at the TTLTX pin on the described GPS module with the TXD pin.

4. the vehicle-mounted module of logistics vehicles long distance control system according to claim 2, it is characterized in that described STC12C5A60S2 type single-chip microcomputer with the pass connected in series of described GPRS module is: the VCC pin of described STC12C5A60S2 type single-chip microcomputer links to each other with VCC pin and the GND pin of described GPRS module respectively with the GND pin, and the P1.2 pin of described STC12C5A60S2 type single-chip microcomputer links to each other with the GRX pin with the GTX pin of described GPRS module respectively with the P1.3 pin.

5. the vehicle-mounted module of logistics vehicles long distance control system according to claim 2, the annexation that it is characterized in that described STC12C5A60S2 type single-chip microcomputer and described LCD display module is: the P0.0 pin of described STC12C5A60S2 type single-chip microcomputer to P0.7 pin is connected to the DB0 pin of described LCD display module in turn to the DB7 pin, is used for transmitting described resolution data; The VCC pin that VDD pin and the A pin of described LCD display module inserted described STC12C5A60S2 type single-chip microcomputer respectively, VSS pin on the described LCD and K pin are inserted the GND pin of described STC12C5A60S2 type single-chip microcomputer respectively, be used for giving described LCD display module power supply; RS pin on the described LCD display module and RW pin are connected on the P3.5 pin of described STC12C5A60S2 type single-chip microcomputer respectively and the P3.6 pin, and the E pin of described LCD display module links to each other with the P3.7 pin with STC12C5A60S2 type single-chip microcomputer P3.4 pin respectively with the PSB pin.