A kind of Dynamic High-accuracy MANET automobile travel recorderTechnical field:
This utility model relates to haulage vehicle monitoring equipment, particularly relates to a kind of Dynamic High-accuracy MANET running car noteRecord instrument.
Background technology:
In vehicle accident, the accident caused because of haulage vehicle accounts for relatively large ratio, and because haulage vehicle causesThe mortality rate of accident, social influence's degree, property loss rate degree are the highest, according to China's road transportation management P regulation, Yin QicheThe reasons such as type, speed and braking distance, haulage vehicle must not travel in fast traffic lane at a high speed, in the vehicle accident of haulage vehicleHow cause because of its lane change, the driving behavior such as overtake other vehicles, train movement recording equipment of the prior art because of electronic chart precision, defendStar positioning accurate accuracy, the restriction of other hi-Fix facilities, it is impossible to haulage vehicle is carried out monitoring and the supervision of traveling lane,Cause haulage vehicle in the process of moving because lane change behavior causes the accident.
It addition, haulage vehicle often passes through the region without wireless network in transportation, so it is difficult to mutuallyNetworking satellite locator completes wired location, filing date 2011-05-24, Application No. 201110135312.X, and entitled oneThe patent of invention planting the high accuracy node positioning method in Zigbee network solves this problem, it is possible to realize in the feelings without netBeing monitored under condition, position, this patent is suitable for the location positioning of the node to wireless communication and applies with following the tracks of, but this is specialProfit is independently operated, mutually with satellite fix cannot complete large-area monitoring, location.
Utility model content:
This utility model provides a kind of Dynamic High-accuracy MANET automobile travel recorder, and this is reasonable in design, novel, energyEnough uses that zigbee nerve net group certainly is combined with satellite fix, ultrasonic listening, it is possible to accurate to vehicle Travel vehicleRoad detects and supervises, and haulage vehicle plays good supervision effect, it is possible to effectively stop haulage vehicle the fastestLanes and random lane change, the generation of minimizing accident, it is possible to solve problems of the prior art.
This utility model be the technical scheme is that by the above-mentioned technical problem of solution
A kind of Dynamic High-accuracy MANET automobile travel recorder, including with background server wireless connections be installed on carTerminal monitor in driver's cabin, terminal monitor includes central processing unit, and central processing unit connects has the Big Dipper/GPRS doubleMould satellite positioning unit, ultrasonic listening unit, speed detection unit, zigbee nerve net are from organizing unit, verification unit, RSSIComputing unit, signal amplification unit and printer driver unit.
The described Big Dipper/GPRS dual mode satellite positioning unit obtains the geographical position of vehicle by the Internet or satellite for being storedPut；
Described ultrasonic listening unit is the URM37 ultrasonic distance measuring module being installed on vehicle both sides, is used for detecting and depositingDistance between storage vehicle and surrounding vehicles or peripheral obstacle；
Described speed detection unit is for detecting the travel speed of vehicle；
Described zigbee nerve net is zigbee wireless communication module from group unit, selects CC2530 chip, is used for and weekThe vehicle composition LAN enclosed, and carry out the communication between vehicle and detection range by LAN；
Described verification unit is entered for the distance detected ultrasonic listening unit and zigbee nerve net from group unitRow verification；
Described RSSI computing unit for the geographical position detected according to the Big Dipper/GPRS dual mode satellite positioning unit, superDistance, the car speed of speed detection unit detection that acoustic detection unit and zigbee nerve net detect from group unit are carried outCalculate, calculate the track that vehicle travels；
Described signal amplification unit is 2.4G power amplifier, for wireless network/zigbee nerve net group unit group certainlyThe LAN become carries out the amplification of wireless signal.
Described printer driver unit is arranged at the print device in terminal monitor for driving one.
Described central processing unit is also associated with a vehicle congestion computing unit, blocks up computing unit for combining zigbeeDistance and ultrasonic listening unit that nerve net detects from group unit detect distance and carry out duration data analysis, calculate instituteJam situation at road.
This utility model uses said structure, and this is reasonable in design, novel, it is possible to by zigbee nerve net from group and satellitePosition, ultrasonic listening combine uses, it is possible to the accurate road to vehicle Travel vehicle detects and supervises, and plays haulage vehicleTo good supervision effect, it is possible to effectively stop haulage vehicle and travel and random lane change in high speed fast traffic lane, minimizing accidentOccur, it is simple to be widely popularized use.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is right TV structure schematic diagram of the present utility model.
In figure, 1, terminal monitor, 2, URM37 module, 3, CC2530 chip, 4,2.4G power amplifier.
Detailed description of the invention:
For the technical characterstic of this programme can be clearly described, below by detailed description of the invention, and combine its accompanying drawing, to this realityIt is described in detail with novel.
As shown in figs. 1-2, a kind of Dynamic High-accuracy MANET automobile running record, including company wireless with background serverConnect is installed on the terminal monitor 1 that vehicle drive is indoor, and terminal monitor 1 includes central processing unit, and central processing unit is evenIt is connected to the Big Dipper/GPRS dual mode satellite positioning unit, ultrasonic listening unit, speed detection unit, zigbee nerve net from organizing listUnit, verification unit, RSSI computing unit, signal amplification unit and printer driver unit.
The described Big Dipper/GPRS dual mode satellite positioning unit obtains the geographical position of vehicle by the Internet or satellite for being storedPut；
Described ultrasonic listening unit is the URM37 ultrasonic distance measuring module 2 being installed on vehicle both sides, is used for detecting and depositingDistance between storage vehicle and surrounding vehicles or peripheral obstacle；
Described speed detection unit is for detecting the travel speed of vehicle；
Described zigbee nerve net is zigbee wireless communication module from group unit, selects CC2530 chip 3, is used for and weekThe vehicle composition LAN enclosed, and carry out the communication between vehicle and detection range by LAN；
Described verification unit is entered for the distance detected ultrasonic listening unit and zigbee nerve net from group unitRow verification；
Described RSSI computing unit for the geographical position detected according to the Big Dipper/GPRS dual mode satellite positioning unit, superDistance, the car speed of speed detection unit detection that acoustic detection unit and zigbee nerve net detect from group unit are carried outCalculate, calculate the track that vehicle travels, during being somebody's turn to do, at least obtain the ultrasonic distance two of vehicle both sides, location vehicle dataSide, the zigbee nerve net distance that group unit is measured certainly twice, accuracy just can tend to cm rank；Close for tunnel, shelterThe region of normal acquisition that the satellite positioning signals such as collection are acomia, then position data according to last normal satellite, at least obtainingAfter data between three times and both sides vehicle, accuracy just can bring up to cm rank；Wireless Internet cannot coverage, andTwo-way sending a car less, or the distance measured from group unit beyond zigbee nerve net is only, and ultrasonic listening unit is accumulative measures numberAccording to, calibrate positioning data of vehicles, or the LAN of dual-way vehicle composition zigbee nerve net certainly group normal at satellite positioning signalAfter, verify and correct location data；
Described signal amplification unit is 2.4G power amplifier 4, for wireless network/zigbee nerve net group unit group certainlyThe LAN become carries out the amplification of wireless signal, and 2.4G power amplifier 4 is used primarily in the wireless neural network node data of acquisitionLess situation system.
Described printer driver unit is arranged at the print device in terminal monitor for driving one, it is simple to by vehicle rowThe supervision data-printing sailed out, helps vehicle to run regulatory approval.
Described central processing unit is also associated with a vehicle congestion computing unit, and block up computing unit: is used for combiningDistance and ultrasonic listening unit that zigbee nerve net detects from group unit detect distance and carry out duration data analysis, meterCalculate the jam situation of place road.
Described central processing unit also includes GSM, GPRS, 3G, 4G module, is used for realizing wireless Internet and ultrasonic listeningData interaction, obtains its hi-Fix information.
Use Dynamic High-accuracy MANET automobile travel recorder of the present utility model, terminal monitor 1 is arranged on carDriver's cabin in, during traveling open terminal monitor, terminal monitor 1 can by zigbee nerve net from group unit with weekLAN set up by the vehicle enclosed, and can be used to the communication between vehicle, it is also possible to detection and the distance of surrounding vehicles, and ultrasound wave is visitedSurveying unit and may also be used for the distance between detection and surrounding vehicles, verification unit carries out verification corrigendum, school to the two distanceAfter having tested, the speed calculation that RSSI computing unit travels according to the two distance values, satellite fix geographical position and vehicleGo out the track that vehicle travels, and the jam situation in track, vehicle place can be calculated by vehicle congestion computing unit.
Above-mentioned detailed description of the invention cannot function as the restriction to this utility model protection domain, for the skill of the artFor art personnel, any alternate modification or the conversion of being made this utility model embodiment all fall within guarantor of the present utility modelIn the range of protecting.
This utility model does not describes part in detail, is the known technology of those skilled in the art of the present technique.