CN103295278A - Multifunctional vehicle terminal of dangerous goods transport vehicle monitoring system - Google Patents

Abstract

The invention relates to a multifunctional vehicle terminal of a dangerous goods transport vehicle monitoring system. The multifunctional vehicle terminal is characterized by comprising a central control module (11), a power management module (12), a video acquisition module (13), a sound acquisition module (14), a storage module (15), a liquid crystal display module (16), an RFID (Radio Frequency Identification) reading-writing module (17), a GPS (Global Position System) positioning module (18), a GPRS (General Packet Radio Service) wireless transmission module (19) and a CAN (Controller Area Network) bus interface (10). With the multifunctional vehicle terminal, safety management capability of enterprises to transport vehicles, goods and people is enhanced effectively, the probability of transportation accidents and the consequence of accidents are reduced, and the timeliness of emergency rescue is improved.

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 a kind of hazardous materials transportation vehicle monitoring system MPV (Multi-Purpose Vehicle) mounted terminal.

Background technology

Along with the economic development social progress, as national economy running and the necessary important industrial production of city operations, dangerous material (oil, rock gas and other dangerous material etc.) no matter are in production or sphere of life is more and more used widely, and the transportation of being correlated with is the important step in the dangerous material process of circulation.Relevant transportation is the important step in the dangerous material process of circulation; its flowability greatly, not manageability, in case that the accident of sending out has is big dangerous; the danger product shipping accident explanation that takes place frequently, the technicalization supervision of dangerization product transit link still exists great leak and deficiency.Road hazard product forwarding business day by day increases, and is increasing to the threat in cities and towns, crowd, river, and the safety problem of hazardous materials transportation has obtained more and more higher attention.

Dangerous material exist great potential danger when transportation, as robbery, fire, blast, leakage, poisoning, pollution etc., it is wide that its catastrophic effect involves, and influences very serious.On the other hand, there are unlawful practices such as hypervelocity, overload in the driver and conductor in the vehicle drive process, travels not according to projected route in the vehicle driving process or passes in and out the target area in violation of rules and regulations.In case the rescue personnel that meets accident can't obtain the dangerous material cargo state very first time, these factors have all caused potential safety hazard besides.

Summary of the invention

The objective of the invention is 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 to haulage vehicle, article and personnel's safety management ability, reduce the probability of shipping accident generation and the consequence that accident causes, improve 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 comprises Central Control Module, power management module, video acquisition module, the sound collection module, memory module, LCD MODULE, the RFID module for reading and writing, the GPS locating module, GPRS wireless transport module and CAN bus interface, the video interface of described Central Control Module links to each other with the sound acquisition module with video acquisition module respectively with audio interface, the UART interface of described Central Control Module links to each other GPIO mouth and the LCD MODULE of described Central Control Module respectively with the IDE hard-disk interface with the RFID module for reading and writing with memory module, the GPS locating module, the GPRS wireless transport module is connected with the CAN bus interface.

Compared with prior art, the present invention has following having a few:

1) instrument shows: all functions that mainly comprise conventional instrument.As display terminal, required a large amount of, complicated information can be with graphics mode with liquid crystal display (LCD), flexibly, be presented on the lcd screen exactly.Basic requirement is the high brightness display graphics, and the high real-time response can show navigation information and the detected dangerous material status information of sensor from GPS.

2) dangerous material state-detection and warning: conveying people can be in pilothouse in real time state such as the travelling speed of monitoring vehicle and position and the dangerous material that load humiture, pressure, smog, electromagnetic environment and have or not status information such as leakage, and when dangerous material are in dangerous critical conditions, send early warning information, accident in time sends a warning after taking place.

3) vehicle monitoring and remote fault diagnosis: carry out diagnosis and the analysis of information of vehicles by the information of collecting, the performance of more intelligent monitoring vehicle and situation, and give user prompt, by the GPRS module of on-board information platform diagnostic analysis data and diagnostic service center real time bidirectional are transmitted simultaneously.By connecting GPS module and communication module outward, and by Surveillance center, attainable function as: vehicular theft-prevention monitoring and Long-distance Control, standoff are reported to the police, overspeed of vehicle is reported to the police, the vehicle unscheduled call is reported to the police, send to destination prompt etc.

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

5) navigation: realize perfect navigation feature.By the GPS GPS, no matter the user is in any corner in the world, can both locate immediately and locate continuously, realizes travelling of optimization of vehicle path.The demonstration of navigation information system is limited to regional area, shows when should not influence instrument system.

6) car phone: adopt the VOIP networking telephone, car handsfree and wireless headset seamless switching guarantee the driving safety of car owner in communication process.

7) audio monitoring and report: vehicle to the center send report to the police or seek help after, audio monitoring can be carried out according to actual conditions in the center, the authorized person starts sound monitoring device in the car, understands situation in the car, correctly identifies alert or the vehicle of seeking help is executed helped fast; When the driver was inconvenient to read the information of liquid crystal display demonstration, system can report information automatically by tts system, guarantees driving safety.

8) instant video: can be regularly (or require according to Surveillance center) take the discharging hatch of pilothouse or jar (case), driver and transportation goods are monitored, ensure the safety of driver and goods.

9) emergency situation alarm button: when running into emergency condition such as robbery, traffic hazard when vehicle, the driver is as long as report to the police to Surveillance center by touching hidden alarm button.

Description of drawings

Fig. 1 is structural representation of the present invention.

Wherein:

CAN bus interface 10

Central Control Module 11

Power management module 12

Video acquisition module 13

Sound collection module 14

Memory module 15

LCD MODULE 16

RFID module for reading and writing 17

GPS locating module 18

GPRS wireless transport module 19.

Embodiment

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

Wherein power management module 12 is energy source with the Vehicular accumulator cell, produces the needed 9V of system works, 5V and 3.3V DC voltage, gives other each module for power supply.Central Control Module 11 adopts the TMS320DM6467 digital media processor of American TI Company, the TMS320DM6467 digital media processor is made of numerous assemblies, comprising integrated-type ARM926EJ kernel, TMS320C64x+ DSP kernel, wherein the ARM kernel is mainly used in collection, demonstration and the control of data, and the DSP kernel is used for the fast processing to the Voice ﹠ Video signal that collects.This digital media processor carries video and audio input interface, be convenient to directly link to each other with sound acquisition module 14 with video acquisition module 13, link to each other with RFID module for reading and writing 17 by the UART interface that carries, link to each other with memory module 15 by the IDE hard-disk interface that carries.In addition, this digital media processor is connected with LCD MODULE 16, GPS locating module 18, GPRS wireless transport module 19 and CAN bus interface 10 by the GPIO mouth.

Central Control Module 11 regularly sends data acquisition command to video acquisition module 13, sound collection module 14, RFID module for reading and writing 17 and GPS locating module 18, to store memory module 15 into after the data processing that collect, and will data need be shown to LCD MODULE according to the driver, be convenient to the present situation that the driver understands dangerous material and vehicle in real time.For the part significant data, Central Control Module 11 will send to hazardous materials transportation vehicle monitoring center through GPRS wireless transport module 19 to its compression of encoding.GPRS wireless transport module 19 also can receive the instruction that beam back at hazardous materials transportation vehicle monitoring center, shows or carries out voice broadcast in LCD MODULE 16.

Video and sound acquisition module are gathered the audio-video signal in the vehicle traveling process in real time.Collection of video signal is finished by 4 tunnel colored high definition cameras, is transferred to multinuclear embedded processing resume module through video special ADC chip; Sound signal is transferred to multinuclear embedded processing resume module by the collection of two-way acoustic pickup through audio encoding chip.In the vehicle traveling process, constantly around situation cycle index in addition.In case traffic hazard or other accidents take place, audio collection and video acquisition module can be with several minutes the reference records such as driving trace, time, the speed of a motor vehicle and accident intensity of activity video, vehicle of vehicle periphery before and after the accident above storage mediums.Utilize software analysis accident in time that several minutes the scene in front and back and the parameter of record take place, with the form of video, the responsibility of affirmation accident is accelerated processing and the Claims Resolution work of traffic hazard.

Wireless communication module is made of GPS location and two kinds of modules of GPRS wireless transmission, and wherein the GPS locating module provides continuous location and instant location, supports the SMS querying positioning information; The GPRS wireless transport module adopts GSM 850/900/1800/1900MHz four global general-use network schemer frequently, realizes in-vehicle information is regularly reported.Wireless communication module can supply central platform monitoring vehicle situation, receive and navigate from the navigation instruction of central platform and according to setting path.The relevant running information of audio frequency and video on the car can also be real-time transmitted to Surveillance center by GPRS or CDMA module, realize the long-range audio-video monitoring of hazardous materials transportation vehicle.And built-in reserve battery and SOS shift knob are realized functions such as illegal trimming warning and urgent call.

The RFID module for reading and writing is made up of rfid interrogator and RFID sensing label, the RFID sensing label is attached on the dangerous goods container (or within), humiture, pressure, smog, the electromagnetic environment of vehicle-mounted dangerous material and have or not status information such as leakage in the monitoring transportation send to rfid interrogator with the id information packing back of label by less radio-frequency with information.Rfid interrogator sends to master controller by serial ports with real time data after the label information that receives is handled.

Storage and display module are made of IDE hard disk and LCD display.The IDE hard disk adopts the 1TB hard disk of Seagate, 5400 rev/mins of rotating speeds, hard disk cache 32M, 3.5 inches of hard disk sizes.Satisfy the needs of supervisory system storage data (the especially big view data of data), can be used for various video informations around the registration of vehicle, exercise track etc., collect evidence under the abnormal conditions, for example the confirmation of responsibility of traffic hazard, vehicle are scratched etc.LCD display has adopted digital 16:9 LCDs, and resolution is up to 1280*1024, and image quality is first-class.Utilize up-to-date polycaryon processor technology, made the image result of broadcast more smooth.Possess picture-in-picture function, in the DVD playing back process, can play navigation screen synchronously.The driver can also check dangerous material in transportation humiture, pressure, smog, electromagnetic environment and have or not status informations such as leakage.

This car-mounted terminal comes hardware management and software by embedded OS.At first, need write corresponding driver for each functional module, driver adopts assembly language and C language to write, and comprises liquid crystal display driving, video acquisition driving, audio collection driving, GPS locator data collection driving, hard drive, GPRS data communication drivers, rfid interrogator data communication drivers.Then, for car-mounted terminal is transplanted embedded OS, and as required operating system is carried out suitable cutting.At this, embedded real-time operating system adopts the (SuSE) Linux OS of widespread use, it be a kind of code of increasing income, structure small and exquisite, have the operating system that can deprive real-time kernel, have characteristics such as carry out the efficient height, real-time performance is good and extensibility is strong, be very suitable for Embedded Application.At last, on embedded real-time operating system, move each application program, mainly comprise the sensor data acquisition program, data processor, radio communication program, display routine and other programs etc.

Claims (1)

1. hazardous materials transportation vehicle monitoring system MPV (Multi-Purpose Vehicle) mounted terminal, it is characterized in that described car-mounted terminal comprises Central Control Module (11), power management module (12), video acquisition module (13), sound collection module (14), memory module (15), LCD MODULE (16), RFID module for reading and writing (17), GPS locating module (18), GPRS wireless transport module (19) and CAN bus interface (10), the video interface of described Central Control Module (11) links to each other with sound acquisition module (14) with video acquisition module (13) respectively with audio interface, the UART interface of described Central Control Module (11) links to each other the GPIO mouth of described Central Control Module (11) and LCD MODULE (16) respectively with the IDE hard-disk interface with RFID module for reading and writing (17) with memory module (15), GPS locating module (18), GPRS wireless transport module (19) is connected with CAN bus interface (10).

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