CN101917478A

CN101917478A - Vehicle-mounted monitoring system

Info

Publication number: CN101917478A
Application number: CN 201010258485
Authority: CN
Inventors: 刘春辉; 陈炳林
Original assignee: SHANGHAI ZTE COMMUNICATION TECHNOLOGY LLC
Current assignee: SHANGHAI ZTE COMMUNICATION TECHNOLOGY LLC
Priority date: 2010-08-20
Filing date: 2010-08-20
Publication date: 2010-12-15

Abstract

The invention discloses a vehicle-mounted monitoring system comprising an RF (Radio Frequency) data acquisition terminal, a vehicle-mounted information controller and a background monitoring center, wherein the RF data acquisition terminal acquires vehicle-mounted temperature and humidity and the vehicle-mounted information of a mechanical and electronic lock through a sensor and then carries out communication through a first RF module and a second RF module; a GPS (Global Position System) module is used for receiving vehicle position information through a GPS satellite signal; a main processor is used for the vehicle-mounted information received by the second RF module and the vehicle position information received by the GPS module; the vehicle-mounted information and the vehicle position information after being processed by the main process are sent to the background monitoring center through a GPRS (General Packet Radio Service) module through a GPRS network; and the background monitoring center displays the vehicle-mounted information and the vehicle position information. The invention can carry out real time monitoring, management and dispatching on the vehicle at any time, reduce the cost of logistics industry and play an active role in reducing the proportion of the logistics cost in GDP (Gross Domestic Product).

Description

Vehicle-mounted monitoring system

Technical field

The present invention relates to a kind of supervisory control system, particularly relate to a kind of vehicle-mounted monitoring system.

Background technology

International community generally accounts for GDP(Gross Domestic Product with logistics cost, GDP) proportion is weighed the logistics development level of a country, the logistics proportion index of China is greatly about about 20%, very big with developed country's gap, this proportion of American-European developed country is about 10%; China GDP was about 33.5 trillion yuan RMB in 2009, accounted for about 20% by logistics proportion, reduced by 10% if logistics cost accounts for the proportion of GDP, and the China Logistics industry can be saved 3.35 trillion yuan RMB so.Logistics is put into ten big industrial restructuring development planning, shows the attention of national government to logistics, is the important symbol that China Logistics already develops.

At present, the proportion that logistics cost accounts for GDP is very high, the logistics vehicles level of informatization is very low, management of vehicles, scheduling and operation are leaned on substantially the management of non real-time, positional information transparency to the on-vehicle information of the stock of logistics goods, vehicle, vehicle is not high, the real-time of information is very low, and efficiency of operation is not good.

Summary of the invention

Technical problem to be solved by this invention provides a kind of vehicle-mounted monitoring system, it is based on low-power consumption RF(Radio Frequency, radio frequency) technology and GPS(Global Positioning System, global positioning system)/GPRS(General Packet Radio Service, GPRS) wireless network, can realize seamless monitoring and management to vehicle, can realize the stock to goods, the scheduling of vehicle and the informationization that safety management can be played height for loglstics enterprise.

The present invention solves above-mentioned technical problem by following technical proposals: a kind of vehicle-mounted monitoring system, it is characterized in that, it comprises RF data collection station, on-vehicle information controller and background monitoring center, and the RF data collection station comprises an interconnective RF module and a transducer; The on-vehicle information controller comprises the 2nd RF module, the GPRS module, primary processor and GPS module, the 2nd RF module, the GPRS module, the GPS module all is connected with primary processor, the RF data collection station is by the vehicle-mounted temperature of sensor acquisition, the on-vehicle information of humidity and mechano-electronic lock, carry out communication by a RF module and the 2nd RF module then, the GPS module is used to receive vehicle position information by gps satellite signal, the vehicle position information that on-vehicle information that primary processor receives the 2nd RF module and GPS module receive is handled, on-vehicle information after the master processor processes and vehicle position information send to the background monitoring center by the GPRS module by GPRS network, and the background monitoring center shows on-vehicle information and vehicle position information.

Preferably, described RF data collection station has the charging inlet of battery interface and external power supply.

Preferably, the mode that a described RF module and the 2nd RF module are carried out communication is the half-duplex data communication method, has the frequency hopping mode of operation of 100 channels during the work of half-duplex data communication method.

Preferably, a described RF module and the 2nd RF module have the state that the software and hardware house dog comes real-time monitor (RTM).

Positive progressive effect of the present invention is: the present invention adopts RF technology and GPS/GPRS wireless network to carry out communication, have more the energy-saving mode of RF data collection station, temperature that can the online real time collecting vehicle, the on-vehicle information of humidity and mechano-electronic lock, and by existing GPS/GPRS network promptly and accurately feed back to Surveillance center, operating personnel only need office or operation room just can be accurately real-time the position that monitors vehicle and vehicle-mounted information, and can be by the background monitoring center by issuing the switch of commands for controlling mechano-electronic lock, the present invention can improve the real-time management of logistics vehicles, scheduling, reduce logistics cost, improve the fail safe of logistics vehicles, supervision.In addition, the present invention has reduced in the vehicle supervision personnel's dependence, saves the human cost in the logistics transportation.

Description of drawings

Fig. 1 is the theory diagram of vehicle-mounted monitoring system of the present invention.

Fig. 2 is the schematic diagram of data protocol form between RF data collection station and the network.

Embodiment

Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.

As shown in Figure 1, vehicle-mounted monitoring system of the present invention comprises RF data collection station 1, on-vehicle information controller 2 and background monitoring center 6, RF data collection station 1 is connected with on-vehicle information controller 2 by the RF technology, on-vehicle information controller 2 is connected with background monitoring center 6 by GPRS network, wherein, RF data collection station 1 comprises an interconnective RF module 11 and transducer 12; On-vehicle information controller 2 comprises that the 2nd RF module 21, GPRS module 22, primary processor 23 and GPS module 24, the two RF modules 21, GPRS module 22, GPS module 24 all are connected with primary processor 23.

RF module 11 in the RF data collection station 1 has abundant interface type, transducer 12 comprises temperature sensor, humidity sensor and mechano-electronic lock, RF data collection station 1 is gathered the on-vehicle information that vehicle-mounted temperature, humidity and mechano-electronic are locked by transducer 12, carries out communication by a RF module 11 and the 2nd RF module 21 in the on-vehicle information controller 2 then.RF data collection station 1 is positioned over the rear end, compartment, and Temperature Humidity Sensor is positioned over the suitable position of interior.RF data collection station 1 adopts the low-power consumption working method, and its power consumption is lower than 3 milliwatts.RF data collection station 1 has battery interface, and has the charging inlet of external power supply, can power at any time like this.

On-vehicle information controller 2 is positioned over suitable position in the driver's cabin, RF module 11 in the RF data collection station 1 is the half-duplex data communication method with the mode that the 2nd RF module 21 in the on-vehicle information controller 2 is carried out communication, the communication frequency scope is: 433.0MHz ~ 453.0MHz, modulation system is GFSK(Gaussian Frequency-Shift Keying, Gaussian Frequency Shift Keying, a kind of FSK modulation system), communication baud rate is 38.4KBaud, the half-duplex data communication method adopts the 128bit key to carry out AES(Advanced Encryption Standard, Advanced Encryption Standard) encrypts, the frequency hopping mode of operation that has 100 channels during the work of half-duplex data communication method is to guarantee the reliability of communication, frequency interval between each channel is 200KHz, selects channel to carry out communication when running into external disturbance automatically; RF module 11 in the RF data collection station 1 has the state that the software and hardware house dog comes real-time monitor (RTM) with the 2nd RF module 21 in the on-vehicle information controller 2, when two-way data communication occurs unusual, in time vehicle-mounted monitoring system is resetted, resetting time is less than 1 millisecond.

GPS module 24 is used to receive vehicle position information by gps satellite signal.The vehicle position information that on-vehicle information that the primary processor 23 of on-vehicle information controller 2 receives the 2nd RF module 21 and GPS module 24 receive, remove packet header, the bag tail of data, parse the on-vehicle information of longitude and latitude, deflection, velocity information and the vehicle of GPS, again add packet header, bag tail and vehicle ID number of data, data protocol form according to RF data collection station and network side both sides negotiation, the data protocol form as shown in Figure 2, the data protocol form comprises information such as port, cell-phone number, positioning states, latitude, longitude.Send to background monitoring center 6 by GPRS module 22 by GPRS network.Background monitoring center 6 can accurately show vehicle position information, driving trace and on-vehicle information, shows the warning message of mobile unit simultaneously, explicit user interface etc.Background monitoring center 6 comprises gateway, data server, NM server and client.

Operating personnel only need just can accurately monitor the position of vehicle and vehicle-mounted information in real time in office with internet or operation room, and can be by the background monitoring center by issuing the switch of commands for controlling mechano-electronic lock, if the compartment temperature of vehicle and humidity exceed predefined thresholding, perhaps the mechano-electronic in compartment lock is subjected to illegally opening, transducer 12 in the RF data collection station 1 can detect the temperature in compartment, the state of humidity and mechano-electronic lock, in 20 seconds, send to the 2nd RF module 21 of on-vehicle information controller 2, the primary processor 23 of on-vehicle information controller 2 is the GPS positional information and the temperature of the vehicle of this moment, the warning message of humidity and mechano-electronic lock, send to the background monitoring center by the GPRS module by GPRS network, the monitor staff can be promptly and accurately at the background monitoring center the particular location of grasp warning vehicle, and carry out in time handling accordingly.

The present invention can round-the-clock real-time monitoring, management and scheduling to vehicle, the informationization of logistic industry is provided, reduce the cost of logistic industry, the benefit that promotes logistic industry is played important effect, play a positive role reducing the proportion of logistics cost in GDP.

Though more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to these execution modes.Therefore, protection scope of the present invention is limited by appended claims.

Claims

1. a vehicle-mounted monitoring system is characterized in that, it comprises RF data collection station, on-vehicle information controller and background monitoring center, and the RF data collection station comprises an interconnective RF module and a transducer; The on-vehicle information controller comprises the 2nd RF module, the GPRS module, primary processor and GPS module, the 2nd RF module, the GPRS module, the GPS module all is connected with primary processor, the RF data collection station is by the vehicle-mounted temperature of sensor acquisition, the on-vehicle information of humidity and mechano-electronic lock, carry out communication by a RF module and the 2nd RF module then, the GPS module is used to receive vehicle position information by gps satellite signal, the vehicle position information that on-vehicle information that primary processor receives the 2nd RF module and GPS module receive is handled, on-vehicle information after the master processor processes and vehicle position information send to the background monitoring center by the GPRS module by GPRS network, and the background monitoring center shows on-vehicle information and vehicle position information.

2. vehicle-mounted monitoring system as claimed in claim 1 is characterized in that described RF data collection station has the charging inlet of battery interface and external power supply.

3. vehicle-mounted monitoring system as claimed in claim 1 is characterized in that, the mode that a described RF module and the 2nd RF module are carried out communication is the half-duplex data communication method, has the frequency hopping mode of operation of 100 channels during the work of half-duplex data communication method.

4. vehicle-mounted monitoring system as claimed in claim 1 is characterized in that, a described RF module and the 2nd RF module have the state that the software and hardware house dog comes real-time monitor (RTM).