CN103295278B - Hazardous materials transportation vehicle monitoring system MPV (Multi-Purpose Vehicle) mounted terminal - Google Patents

Abstract

The present invention relates to a kind of hazardous materials transportation vehicle monitoring system MPV (Multi-Purpose Vehicle) mounted terminal, it is characterised in that described car-mounted terminal includes Central Control Module (11), power management module (12), video acquisition module (13), sound acquisition module (14), memory module (15), LCD MODULE (16), RFID read-write module (17), GPS locating module (18), GPRS wireless transport module (19) and CAN interface (10).The present invention effectively strengthens enterprise's safety management ability to haulage vehicle, article and personnel, the consequence that the probability of minimizing shipping accident generation and accident cause, and improves the promptness of emergency management and rescue.

Description

Hazardous materials transportation vehicle monitoring system MPV (Multi-Purpose Vehicle) mounted terminal

Technical field

The present invention relates to a kind of car-mounted terminal, particularly to a kind of hazardous materials transportation vehicle monitoring system MPV (Multi-Purpose Vehicle) mounted terminal.

Background technology

Along with economic development social progress, either increasingly it is widely used in production or sphere of life as important industrial production, dangerous materials (oil, natural gas and other dangerous materials etc.) necessary to national economy operating and city operations, and relevant transport is the important step in the dangerous materials process of circulation.Relevant transport is the important step in the dangerous materials process of circulation, its mobility greatly, not manageability, once send out accident there is bigger danger, the harmful influence shipping accident explanation taken place frequently, the technicalization supervision of harmful influence transit link still suffers from great leak and deficiency.Road hazard product transport service day by day increases, to cities and towns, crowd, river threat increasing, the safety problem of hazardous materials transportation has obtained the highest attention.

Dangerous materials, when transport, also exist great potentially danger, as robbery, fire, explode, leak, be poisoned, pollution etc., its catastrophic effect involves wide, affects extremely serious.On the other hand, there is the unlawful practices such as hypervelocity, overload in driver and conductor in vehicle operation, does not travels according to projected route or pass in and out target area in violation of rules and regulations in vehicle travel process.The most once occurring accident rescue personnel cannot obtain dangerous materials cargo state the very first time, these factors all cause potential safety hazard.

Summary of the invention

It is an object of the invention to overcome above-mentioned deficiency, a kind of hazardous materials transportation vehicle monitoring system MPV (Multi-Purpose Vehicle) mounted terminal is provided, effectively strengthen enterprise's safety management ability to haulage vehicle, article and personnel, the consequence that the probability of minimizing shipping accident generation and accident cause, improves the promptness of emergency management and rescue.

The object of the present invention is achieved like this: a kind of hazardous materials transportation vehicle monitoring system MPV (Multi-Purpose Vehicle) mounted terminal, described car-mounted terminal includes Central Control Module, power management module, video acquisition module, sound acquisition module, memory module, LCD MODULE, RFID read-write module, GPS locating module, GPRS wireless transport module and CAN interface, the video interface of described Central Control Module is connected with video acquisition module and sound acquisition module respectively with audio interface, the UART interface of described Central Control Module is connected with memory module and RFID read-write module respectively with IDE hard-disk interface, the GPIO mouth of described Central Control Module and LCD MODULE, GPS locating module, GPRS wireless transport module is connected with CAN interface.

Compared with prior art, the present invention have following a little:

1) instrument shows: mainly comprise all functions of conventional instrument.Can flexibly, be accurately displayed in lcd screen to graphically using liquid crystal display screen (LCD) as display terminal, required a large amount of, complicated information.Basic requirement is that high brightness shows figure, and high real-time responds, it is possible to show the dangerous materials status information detected from navigation information and the sensor of GPS.

2) dangerous materials state-detection and warning: conveying people can monitor the states such as the speed of service and the position of vehicle and the humiture of loaded dangerous materials, pressure, smog, electromagnetic environment in driver's cabin in real time and have the status informations such as No leakage, and early warning information is sent when dangerous materials are in dangerous critical state, accident sends a warning after occurring in time.

3) vehicle monitoring and remote fault diagnosis: carried out diagnosis and the analysis of information of vehicles by the information collected, the performance of more intelligent monitoring vehicle and situation, and give user prompting, by the GPRS module of on-board information platform, diagnostic analysis data are transmitted with diagnostic service center real time bidirectional simultaneously.By outer even GPS module and communication module, and by Surveillance center, attainable function such as: vehicular theft-prevention monitoring and remotely control, standoff is reported to the police, overspeed of vehicle is reported to the police, vehicle unscheduled call is reported to the police, sent to destination prompt etc..

4) real-time interaction communication: by covering the GSM/CDMA/GPRS signal in the whole nation, enable haulage vehicle and Surveillance center's real-time interaction information, control and command center can assign commander's instruction immediately, improves the efficiency of operation of vehicle.

5) navigation: realize perfect navigation feature.By GPS geo-location system, no matter user is in any corner in the world, can immediately position and consecutive tracking, it is achieved the traveling in optimization of vehicle path.The display of navigation information system is limited to regional area, shows while should not affecting instrument system.

6) car phone: use the VOIP networking telephone, car handsfree and wireless headset seamless switching, it is ensured that car owner's driving safety in communication process.

7) audio monitoring and report: vehicle is after center sends warning or seeks help, and center can carry out audio monitoring according to practical situation, authorized person starts sound monitoring device in car, and in understanding car, situation, correct identification alert or quick execute vehicle of seeking help are helped；When driver is inconvenient to read the information that liquid crystal display screen shows, information automatically can be reported by system by tts system, it is ensured that driving safety.

8) instant video: timing (or requiring according to Surveillance center) driver's cabin or the discharging hatch of tank (case) can be shot, driver and transport goods be monitored, ensures driver and the safety of goods.

9) emergency situation alarm button: when running into the emergencies such as robbery, vehicle accident when vehicle, as long as driver reports to the police to Surveillance center by touching hidden alarm button.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention.

Wherein:

CAN interface 10

Central Control Module 11

Power management module 12

Video acquisition module 13

Sound acquisition module 14

Memory module 15

LCD MODULE 16

RFID read-write module 17

GPS locating module 18

GPRS wireless transport module 19.

Detailed description of the invention

See Fig. 1, the present invention relates to a kind of hazardous materials transportation vehicle monitoring system MPV (Multi-Purpose Vehicle) mounted terminal, be mainly made up of Central Control Module 11, power management module 12, video acquisition module 13, sound acquisition module 14, memory module 15, LCD MODULE 16, RFID read-write module 17, GPS locating module 18, GPRS wireless transport module 19 and CAN interface 10.

Wherein power management module 12 is with Vehicular accumulator cell as energy source, produces 9V, 5V and 3.3V DC voltage required for system work, powers to other modules.Central Control Module 11 uses the TMS320DM6467 digital media processor of American TI Company, TMS320DM6467 Digital media processor is made up of numerous assemblies, including integrated-type ARM926EJ kernel, TMS320C64x+ DSP kernel, wherein ARM kernel is mainly used in the collection of data, shows and control, and DSP core is for the quick process to the audio and video frequency signal collected.This digital media processor is from video and audio input interface, it is easy to be joined directly together with video acquisition module 13 and sound acquisition module 14, it is connected with RFID read-write module 17 by the UART interface carried, is connected with memory module 15 by the IDE hard-disk interface carried.It addition, this digital media processor is connected with CAN interface 10 with LCD MODULE 16, GPS locating module 18, GPRS wireless transport module 19 by GPIO mouth.

Central Control Module 11 timing sends data acquisition command to video acquisition module 13, sound acquisition module 14, RFID read-write module 17 and GPS locating module 18, after the data collected being processed, storage is to memory module 15, and will need data are shown to LCD MODULE according to driver, it is simple to driver understands the present situation of dangerous materials and vehicle in real time.For part significant data, Central Control Module 11 will carry out compression coding to it, be sent to hazardous materials transportation vehicle monitoring center through GPRS wireless transport module 19.GPRS wireless transport module 19 can also receive the instruction that hazardous materials transportation vehicle monitoring center is beamed back, and shows or carry out voice broadcast in LCD MODULE 16.

Audio-video signal in video and sound acquisition module Real-time Collection vehicle traveling process.The collection of video signal is completed by 4 road color high-definition photographic head, is transferred to multinuclear embedded processing resume module through video special ADC chip；Audio signal is transferred to multinuclear embedded processing resume module by two-way pick up collection through audio encoding chip.In vehicular motion, constantly the situation of surrounding cycle index in addition.Vehicle accident or other accidents once occur, and audio collection and video acquisition module can be by above the reference records such as the activity video of the vehicle periphery of several minutes, the driving trace of vehicle, time, speed and accident intensity before and after accident to storage medium.Utilize software can analysis accident in time occur before and after the scene of several minutes and the parameter of record, with the form of video, the responsibility of confirmation accident, accelerate process and the Claims Resolution work of vehicle accident.

Wireless communication module is wirelessly transferred two kinds of module compositions by GPS location and GPRS, and wherein GPS locating module provides consecutive tracking and instant location, supports SMS querying positioning information；GPRS wireless transport module uses GSM 850/900/1800/1900MHz tetra-frequency global general-use network schemer, it is achieved in-vehicle information timing is reported.Wireless communication module is available for central platform monitoring vehicle condition, receives from the navigation instruction of central platform and navigate according to setting path.Running information of can also the audio frequency and video on car being correlated with is real-time transmitted to Surveillance center by GPRS or CDMA module, it is achieved the remote audio-video monitoring of hazardous materials transportation vehicle.And built-in reserve battery and SOS shift knob, it is achieved the functions such as illegal trimming warning and urgent call.

RFID read-write module is made up of rfid interrogator and RFID sensing label, RFID sensing label is attached on dangerous goods container (within or), the humiture of vehicle-mounted dangerous materials, pressure, smog, electromagnetic environment and have the status informations such as No leakage in monitoring transportation, send jointly to rfid interrogator by less radio-frequency by information after the id information packing of label.After the label information received is processed by rfid interrogator, by serial ports, real time data is sent to master controller.

Storage and display module are made up of IDE hard disk and LCD display.IDE hard disk uses the 1TB hard disk of Seagate, rotating speed 5400 revs/min, hard disk cache 32M, hard-disk size 3.5 inches.Meeting the needs of monitoring system storage data (view data that especially data are big), it is possible to for the various video informations around registration of vehicle, exercise track etc., for collecting evidence under abnormal conditions, the confirmation of responsibility of such as vehicle accident, vehicle are scratched.LCD display have employed digital 16:9 LCDs, and resolution is up to 1280*1024, and image quality is first-class.Make use of up-to-date polycaryon processor technology, make image result of broadcast more smooth.Possess picture-in-picture function, can synchronize to play navigation screen during playing DVD.Driver can also look at dangerous materials humiture in transportation, pressure, smog, electromagnetic environment and has the status informations such as No leakage.

This car-mounted terminal manages hardware and software by embedded OS.First, need to write corresponding driver for each functional module, driver uses assembler language and C language to write, including liquid crystal driving, video acquisition driving, audio collection driving, the driving of GPS position data collecting, hard drive, GPRS data communication drivers, rfid interrogator data communication drivers.Then, transplant embedded OS for car-mounted terminal, and as required operating system is carried out suitable cutting.At this, embedded real-time operating system uses wide variety of (SuSE) Linux OS, it is a kind of Open Source Code, compact structure, has the operating system that can deprive real-time kernel, the feature such as have that execution efficiency is high, real-time performance is excellent and extensibility is strong, is very suitable for Embedded Application.Finally, on embedded real-time operating system, run each application program, mainly include sensor data acquisition program, data processor, radio communication program, show program and other programs etc..

Claims (1)

1. null1. a hazardous materials transportation vehicle monitoring system MPV (Multi-Purpose Vehicle) mounted terminal，It is characterized in that described car-mounted terminal includes Central Control Module (11)、Power management module (12)、Video acquisition module (13)、Sound acquisition module (14)、Memory module (15)、LCD MODULE (16)、RFID read-write module (17)、GPS locating module (18)、GPRS wireless transport module (19) and CAN interface (10)，The video interface of described Central Control Module (11) is connected with video acquisition module (13) and sound acquisition module (14) respectively with audio interface，The UART interface of described Central Control Module (11) is connected with memory module (15) and RFID read-write module (17) respectively with IDE hard-disk interface，The GPIO mouth of described Central Control Module (11) and LCD MODULE (16)、GPS locating module (18)、GPRS wireless transport module (19) is connected with CAN interface (10)，For part significant data，Central Control Module (11) will carry out compression coding to it，It is sent to hazardous materials transportation vehicle monitoring center through GPRS wireless transport module (19)，GPRS wireless transport module (19) receives the instruction that hazardous materials transportation vehicle monitoring center is beamed back，LCD MODULE (16) shows or carries out voice broadcast.