CN2867462Y

CN2867462Y - Wireless intelligent vehicle charge system

Info

Publication number: CN2867462Y
Application number: CNU200520063856XU
Authority: CN
Inventors: 肖健华; 廖惜春
Original assignee: Wuyi University
Current assignee: Wuyi University
Priority date: 2005-08-31
Filing date: 2005-08-31
Publication date: 2007-02-07
Anticipated expiration: 2015-08-31

Abstract

The utility model discloses a wireless intelligent vehicle charging system, which includes vehicle communicator, a pair of camera with USB interface, data acquisition pretreatment module, and charging station PC data processing system. The vehicle communicator includes vehicle bluetooth communication module, MCU unit and MCU peripheral circuit. The charging station data processing system is provided with PC bluetooth communication module. The camera is connected to the data acquisition pretreatment module via USB inferface, the data acquisition pretreatment module is connected to the charging station PC data processing system, and the vehicle communicator is wirelessly connected to the PC bluetooth communication module via the vehicle bluetooth communication module. This system is capable of realizing rapid and accurate identification to vehicle identification plate, improving charging efficiency, preventing traffic jam, and instantaneously alarming after identifying illegal vehicles. The utility model can be widely used for various charging stations.

Description

Intelligent wireless vehicle charge system

Technical field

The utility model relates to a kind of vehicle metering system, particularly a kind of intelligent wireless vehicle charge system.

Background technology

Along with communications and transportation is more and more flourishing, the traffic construction scale is increasing, the management of transport development facility just seems and becomes more and more important, and management aspect the most outstanding be exactly to highway, bridge, transport development facilities such as tunnel implement to miss the stop charging problem, because present all highways, bridge, the charge of missing the stop of transport development facilities such as tunnel generally is to adopt unidirectional manual mode of operation to carry out, vehicle all must stop and pay the fees, and know it is what car, press what scale fee etc., in case the person for driving a car does not have change, also must carry out a large amount of small changes, the time of missing the stop is long, cause the thing of traffic retardance to happen occasionally in rush-hour, and may have the cash management leak, can not discern immediately the vehicle that illegally misses the stop in addition.For solving above problem, people attempted multiple automatic fare collection system, but owing to lack the support of short distance wireless technical, did not play real effect; Intellective IC card also once was used to the vehicle charge etc. of chargeing of missing the stop, but when using intellective IC card, vehicle also needs stagnation of movement and comes close to or in contact with the tollbooth charge of could chargeing, and intellective IC card can not accurately be discerned testing vehicle register, now in order discerning, to guarantee the accuracy of each charge simultaneously, in recognition technology, mainly to adopt algorithm and one-to-many algorithm one to one testing vehicle register, the former needs too much discriminant function, and latter's precision is difficult to be guaranteed.

Summary of the invention

At the problems referred to above, the utility model provides the intelligent wireless vehicle charge system of the transmission of a kind of energy double-direction radio, Intelligent Recognition testing vehicle register.

The technical scheme that its technical matters that solves the utility model adopts is:

Intelligent wireless vehicle charge system comprises camera, data acquisition pretreatment module, the tollbooth PC data handling system of vehicle-carrying communication machine, a pair of band USB interface; The vehicle-carrying communication machine comprises on-vehicle Bluetooth communication module, MCU unit and MCU peripheral circuit; Be provided with the PC bluetooth communication in the tollbooth PC data handling system; Camera links to each other with the data acquisition pretreatment module by USB interface, and the data acquisition pretreatment module links to each other with tollbooth PC data handling system, and the vehicle-carrying communication machine is by on-vehicle Bluetooth communication module and the wireless connections of PC bluetooth communication; Camera carries out the image video signal collection to the vehicular traffic car plate, by USB interface image video signal is sent to the data acquisition pretreatment module, the data acquisition pretreatment module is compressed the license plate image vision signal that receives, segmentation and packing data are handled, utilize intelligent identification technology correctly to identify the number-plate number then, and discern comparison with the number-plate number that is sent in the tollbooth PC data handling system by the vehicle-carrying communication machine, and utilize bluetooth communication to realize two-way short-distance wireless data transmission between vehicle-carrying communication machine and tollbooth PC data handling system, when the license plate image vision signal of coming when the transmission of the image recognition signal in the native system tollbooth PC data handling system and vehicle-carrying communication machine is consistent, system enters next program automatically, when both are inconsistent, system enters alert program automatically, and sends early warning to next tollbooth.

The beneficial effects of the utility model are: realize short distance double-direction radio information transmission owing to use Bluetooth communication self application frequency hopping in native system, improved the antijamming capability of charge system effectively, vehicle can not realized accurately paying dues under the dead ship condition, adopt the recognition methods of picture signal intelligent mode, can realize identification fast and accurately to vehicle license, improved the efficient of charge, avoid causing traffic retardance, identify illegally travel or the arrearage vehicle after instant alarming or notify next tollbooth to make respective handling.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified:

Fig. 1 is a system architecture synoptic diagram of the present utility model;

Fig. 2 is the radio communication synoptic diagram between vehicle of the present utility model and the tollbooth;

Fig. 3 is the circuit theory diagrams of vehicle-carrying communication machine of the present utility model;

Fig. 4 is a tollbooth PC display interface synoptic diagram in the utility model;

Embodiment

With reference to Fig. 1, Fig. 2, intelligent wireless vehicle charge system, comprise vehicle-carrying communication machine 1, the camera 2 of a pair of band USB interface, data acquisition pretreatment module 3, tollbooth PC data handling system 4, vehicle-carrying communication machine 1 comprises on-vehicle Bluetooth communication module 8, MCU unit 7 and MCU peripheral circuit 9, be provided with PC bluetooth communication 5 in the tollbooth PC data handling system 4, camera 2 links to each other with data acquisition pretreatment module 3 by USB interface, data acquisition pretreatment module 3 links to each other with tollbooth PC data handling system 4, and vehicle-carrying communication machine 1 is by on-vehicle Bluetooth

communication module

8 and 5 wireless connections of PC bluetooth communication; When the vehicle A that vehicle-carrying communication machine 1 is installed, vehicle B, vehicle C respectively or short distance simultaneously when being connected to the tollbooth PC of bluetooth communication, the on-vehicle Bluetooth communication module 8 of vehicle-carrying communication machine 1 sends to PC bluetooth communication 5 in the tollbooth with identifying informations such as the vehicle of this vehicle, license plate numbers; Simultaneously, 2 pairs of vehicular traffic car plates of camera carry out the image video signal collection, by USB interface image video signal is sent to data acquisition pretreatment module 3, data acquisition pretreatment module 3 can be by data collecting card or dsp system specific implementation, be used to control the shooting and the collection of camera 2 video images, and the license plate image vision signal that receives compressed, segmentation and packing data are handled, digital license plate image vision signal after the processing utilizes intelligent identification technology to identify the number-plate number, and discern comparison with the number-plate number that is sent in the tollbooth PC data handling system 4 by on-vehicle Bluetooth communication module 8, both enter the charging charging program when consistent, collect corresponding expense, the tollbooth PC deposits this secondary data in database simultaneously, and by PC bluetooth communication 5 respectively with vehicle A, B, the on-vehicle Bluetooth module communication of C etc., give vehicle A with the loopback of pay imformation difference, B, C realizes the double-direction radio data transmission; Tollbooth PC data handling system 4 is set up a database, adjustablely purchased information of vehicles with all of storing in the charging central database, comprise the amount of money that prestores, vehicle model, tonnage and license number etc., the total data of this charge can also be sent to cable network 6, handle accordingly by the vehicle charging center, particularly when the video identification signal in the native system tollbooth and cab signal are inconsistent, just can enter alert program, send early warning to next tollbooth, to owe (escaping) expense vehicle and illegal commerial vehicle and in time report and submit vehicle charging center or relevant departments, make respective handling by it by cable network.

Fig. 2 is the utility model Bluetooth wireless communication synoptic diagram, the wireless link of be used to represent to realize to charge vehicle and tollbooth PC.

Fig. 3 is the specific implementation circuit theory diagrams of vehicle-carrying communication machine shown in Figure 1, and it is communicated by letter with PC by the bluetooth transceiver module of vehicle-mounted part transceiver, realizes bidirectional data exchange.Entire circuit is divided into following components:

1) main control circuit part: the core circuit of forming communication module by chip microprocessor AT89C52 (U2) and peripheral circuit thereof.It is responsible for examination, the storage to signal and handles, and comprises the processing of data such as data transmission, Address Recognition, the number-plate number, car owner's number of the account and correlative charges.

2) external memory storage part: AT24C04 (U4) chip that adopts the IIC interface is used to store this machine unique identifier, this car vehicle model, the number-plate number, tonnage, the account number of paying the fees, this amount receivable, last remaining sum as the information storage circuit core.

3) communication interface circuit: communication interface circuit is made up of MAX232 (U3) and peripheral circuit thereof.It can connect wireless (as bluetooth) communication module, carries out radio communication, also can be directly and PC COM2/COM1 directly communicate (wire communication), realize bidirectional data exchange.The baud rate of serial port is set to 9600bps, the band even parity check, and data bit is 8.

4) display circuit: display circuit is made up of AT89C52 and LCD MODULE LCM1602, is used to show current data, such as current the receipts amount of money, remaining sum consult, driving states, historical record etc.

5) keyboard portion: wherein three keypress functions are respectively to determine key, return key, page turning key; Three layers of menu that are used for the fluid,matching crystal display screen are consulted information of vehicles.

6) balance reminding part: be used for the remaining sum part that the vehicle-carrying communication machine shows this car account balance expense.

7) power unit: for complete machine provides D.C. regulated power supply.

Fig. 4 is the man-machine interface of vehicle toll system database, and the notebook data storehouse comprises fields such as license plate number, driver license number, vehicle, population station number and outlet station number, inbound time and departures time.

The utility model discloses a kind of novel intelligent identification technology based on the gaussian kernel function clustering algorithm, this technology has been used character identifying method: IRT-CAGKF (IntelligentRecognition Technology based on Clustering Algorithm with GaussianKernel Function).The organically blended achievement in research of nuclear technology, Statistical Learning Theory and pattern-recognition of the IRT-CAGKF technology of character recognition can realize identification fast and accurately to vehicle license, thereby improve charge station's work efficiency, avoids the traffic retardance as much as possible.

With reference to Fig. 1, intelligent wireless vehicle charge system, native system also supports cable network to connect.Just can enter alert program in case recognize illegal vehicle, send early warning, the arrearage vehicle is made respective handling by cable network to the vehicle charging center, and illegal commerial vehicle is by the cable network warning etc. to next tollbooth.

Claims

1, intelligent wireless vehicle charge system comprises camera (2), data acquisition pretreatment module (3), the tollbooth PC data handling system (4) of vehicle-carrying communication machine (1), a pair of band USB interface; It is characterized in that: vehicle-carrying communication machine (1) comprises on-vehicle Bluetooth communication module (8), MCU unit (7) and MCU peripheral circuit (9); Be provided with PC bluetooth communication (5) in the tollbooth PC data handling system (4); Camera (2) links to each other with data acquisition pretreatment module (3) by USB interface, data acquisition pretreatment module (3) links to each other with tollbooth PC data handling system (4), and vehicle-carrying communication machine (1) is by on-vehicle Bluetooth communication module (8) and PC bluetooth communication (5) wireless connections.

2, intelligent wireless vehicle charge system according to claim 1 is characterized in that: native system connects with cable network (6).