The Urban Traffic Peccancy Monitoring System of a kind of electronic license plate and applying electronic car plateTechnical field
The utility model relates to vehicle and traffic monitoring technical field, relates in particular to the Urban Traffic Peccancy Monitoring System of a kind of electronic license plate and applying electronic car plate.
Background technology
Along with the expansion of city size, motor vehicle becomes more and more common trip walking-replacing tool gradually, thing followed traffic violations event as hypervelocity, take bicycle lane, the phenomenon such as make a dash across the red light is also just of common occurrence; The at present vehicle management of China all adopts license plate number management, i.e. car one number plate, and motor vehicle is bought Hou Jidao vehicle supervision department and is registered, and obtains legal number plate after registration.Yet on road, the operation of vehicle has the popularity of time and two aspects, space, for the vehicle of a large amount of dynamic operations, current common car plate is difficult to effectively sign and monitoring, causes having occurred fake-licensed car, counterfeit car, vehicle is stolen case and is frequently occurred, and causes a large amount of case involving public securities.
At present, the collecting device of China's urban traffic information is mainly video detector and GPS, and accuracy of detection is affected by environment larger, and coverage rate is narrow, Data Detection poor continuity.Though microwave detector, ultrasonic detector, infrared detector can detect multilane and stationary vehicle, can only obtain Traffic Information, can not read the information of vehicle itself.
Utility model content
The quantity of information existing for existing common car plate is few, identifies difficult technical matters, the utility model discloses a kind of electronic license plate, in order to realize monitoring violating the regulations fast, the invention also discloses the Urban Traffic Peccancy Monitoring System of applying electronic car plate.
The purpose of this utility model realizes by following technical proposals:
A kind of electronic vehicle license plate system, it specifically comprises RFID electronic tag, with physics car plate and the RFID electronic label reader of visible license plate number, described RFID electronic tag is fixed on the physics car plate with visible license plate number, is fixed on motor vehicles after forming electronic license plate; Described RFID electronic tag comprises label antenna and information of vehicles storer, described RFID electronic label reader comprises transmitter, demoder, detuner, receiver and reader antenna, and described RFID electronic label reader reads the information of vehicles in RFID electronic tag by reader antenna.By electronic license plate is set, information of vehicles is kept in electronic tag, be convenient to read fast information of vehicles.
Further, above-mentioned RFID electronic tag is passive electronic label.Adopt passive label, do not need to change battery, easy to use.
Further, Ju ground, the installation site 6-7 rice of above-mentioned RFID electronic label reader, the antenna direction of its RFID electronic label reader becomes the angle of 20-30 degree with vertical direction.Such structure energy quick obtaining is to the information of the electronic tag in coverage.
Further, the frequency of operation of above-mentioned RFID electronic tag is 915MHZ.
Further, the frequency of operation of above-mentioned RFID electronic label reader is between 902-928MHZ or 865-868MHZ, emissive power scope is between 0-30dBm, Card Reader distance is relevant with the gain of external antenna, during as external 14dBi antenna, Card Reader distance is greater than 16 meters, and card-reading mode is standard configuration master-slave mode pattern Card Reader, and data-interface is the reader of standard configuration RS232, RJ45.
The invention also discloses a kind of Urban Traffic Peccancy Monitoring System of applying electronic car plate, it specifically comprises the electronic license plate being arranged on motor vehicles, the electronic license plate recognizer that is arranged on road top and the server that is arranged on command centre, described electronic license plate comprises RFID electronic tag and with the physics car plate of visible license plate number, described RFID electronic tag is fixed on the physics car plate with visible license plate number, is fixed on motor vehicles after forming electronic license plate; Described electronic license plate recognizer comprises vertical rod, cross bar, RFID electronic label reader, reader antenna, physics car plate identifier and switch, described cross bar is vertically fixed in vertical rod, described reader antenna is erected on cross bar, each track correspondence arranges a reader antenna, each reader antenna is connected on RFID electronic label reader, described physics car plate identifier is erected on cross bar, described physics car plate identifier connects switch, described switch configuration is inner in vertical rod, and described switch signal connects the server of command centre.
By adopting above technical scheme, the utlity model has following beneficial effect:
When the vehicle with electronic license plate sails into behind RFID electronic label reader radiofrequency signal overlay area, RFID electronic tag in electronic license plate obtains induction current, thereby activate RFID electronic tag, RFID electronic label reader is verified by obtaining the check code of storing in electronic tag, after being verified, RFID electronic label reader receives the vehicle data of storing in RFID electronic tag.
Electronic license plate of the present utility model (RFID electronic tag) utilizes wireless radio frequency mode to carry out noncontact two-way communication, realize wireless automatic identification and remote Real-time Monitor Management, it is far away that its communication distance can reach tens meters of rice even up to a hundred, storage information is many, its main advantage of applying aspect traffic be environmental suitability strong, can all weather operations, can monitor high-speed moving object, support that many labels are distinguished simultaneously, the capable identification of penetrable non-metallic objectsit is not a metal object, antijamming capability by force, there is efficient quick, noncontact, the outstanding advantages such as pollution-free, discrimination is high.
Electronic license plate (RFID) technology is applied to intelligent transportation field, can gives full play to the huge advantage of its automatic identification and dynamic information collection, can effectively solve the bottleneck problem that urban traffic informationization is built.Compare with the license plate recognition technology of processing with image based on video, the vehicle identification accuracy based on REID is higher, is not subject to the impact of environment.By exchange of information acquisition modes such as toroidal inductor, radar, imageing sensor, infrared ray sensors, can only obtain Traffic Information, can not obtain the information of vehicle itself.And adopt electronic license plate (RFID) technology, can be accurately and obtain all sidedly status information and the road grid traffic situation of bicycle.
Native system is given full play to the advantage of electronic license plate (RFID) technology in Dynamic Recognition, long distance wireless radio-frequency identification card is applied to Dynamic Recognition and the management of vehicle in service, can improve original static vehicle regulatory format, realizes the fine-grained management of vehicle.And making computer system realize intelligent city break in traffic rules and regulations supervisory system, the powerful data computing power that active computer technology provides and information processing capability be achieved.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Urban Traffic Peccancy Monitoring System of electronic license plate of the present utility model and applying electronic car plate.
Fig. 2 is the use Organization Chart of electronic license plate of the present utility model.
Embodiment
The utility model discloses a kind of electronic vehicle license plate system, it specifically comprises RFID electronic tag, with physics car plate and the RFID electronic label reader of visible license plate number, described RFID electronic tag is fixed on the physics car plate with visible license plate number, is fixed on motor vehicles after forming electronic license plate; Described RFID electronic tag comprises label antenna and information of vehicles storage chip, described RFID electronic label reader comprises transmitter, demoder, detuner, receiver and reader antenna, and described RFID electronic label reader reads the information of vehicles in RFID electronic tag by reader antenna.Wherein, in RFID electronic tag label antenna be responsible for RFID electronic label reader in reader antenna to carry out signal mutual, information of vehicles storer is for preserving the data message of motor vehicles, such as the number-plate number of motor vehicles, type of vehicle, vehicle color, the vehicle owner, vehicle annual test situation etc., concrete storage content can be set flexibly according to needs, do not belong to emphasis of the present utility model, at this, be not described in detail.When the vehicle with electronic license plate sails into behind RFID electronic label reader radiofrequency signal overlay area, RFID electronic tag in electronic license plate obtains induction current, thereby activate RFID electronic tag, RFID electronic label reader is verified by obtaining the check code of storing in electronic tag, after being verified, RFID electronic label reader receives the vehicle data of storing in RFID electronic tag.Concrete proof procedure and verification mode also can be set as required flexibly, do not belong to emphasis of the present utility model, at this, are not described in detail.
Further, above-mentioned RFID electronic tag is passive electronic label.General electronic license plate should be permanently fixed in automobile license plate, adopts passive electronic label, can avoid changing the drawback of battery.
Further, above-mentioned RFID electronic label reader is arranged on apart from 6-7 meter position, ground, and the antenna direction of its RFID electronic label reader becomes the angle of 20-30 degree with vertical direction.Such as RFID electronic label reader being arranged on apart from 6.5 meter position, ground, the antenna direction of its RFID electronic label reader becomes the angle of 22 degree with vertical direction, Vehicle Driving Cycle is to just obtaining label data with the distance of 16 meters of antenna horizontal ranges (16 meters=6.5 meters/tan22 °).
Further, the frequency of operation of above-mentioned RFID electronic tag is 915MHZ.Consider motor vehicle high-speed mobility (normal travelling speed all per hour tens kilometers to more than 100 kilometers between), the distance of travelling p.s. can reach tens, 20 meters, for guaranteeing the accuracy rate of native system work, therefore adopting electronic license plate frequency of operation is 915MHZ.What in native system, electronic license plate adopted can be the second generation (EPC Global Class1 Gen2) the RFID standard of global general-use, and this standard belongs to ISO|IEC 18000 6c standards.
Further, the frequency of operation of above-mentioned RFID electronic label reader is between 902-928MHZ and 865-868MHZ, emissive power scope is between 0-30dBm, Card Reader distance is greater than 12 meters, card-reading mode is standard configuration master-slave mode pattern Card Reader, and data-interface is the reader of standard configuration RS232, RJ45.The selection of RFID reader should adapt with RFID label frequency, and it must possess, and read-write is stable, highly sensitive, decipherment distance far away, be suitable for carrying installation, adapt to the technical grade requirements such as extreme weather variation.The necessary long enough of reading distance of RFID reader, just can obtain the speed of a motor vehicle when very fast by the electronic license plate data message of vehicle, therefore need external antenna, and reader wants compatible dissimilar antenna so that install base station, the degree of protection of reader is wanted enough height simultaneously.
Further, the invention also discloses a kind of Urban Traffic Peccancy Monitoring System of applying electronic car plate, it specifically comprises the electronic license plate being arranged on motor vehicles, the electronic license plate recognizer that is arranged on road top and the server that is arranged on command centre, described electronic license plate comprises RFID electronic tag and with the physics car plate of visible license plate number, described RFID electronic tag is fixed on the physics car plate with visible license plate number, is fixed on motor vehicles after forming electronic license plate; Described electronic license plate recognizer comprises vertical rod, cross bar, RFID electronic label reader, reader antenna, physics car plate identifier and switch, described cross bar is vertically fixed in vertical rod, described reader antenna is erected on cross bar, each track correspondence arranges a reader antenna, each reader antenna is connected on RFID electronic label reader, described physics car plate identifier is erected on cross bar, described physics car plate identifier connects switch, described switch configuration is inner in vertical rod, and described switch signal connects the server of command centre.By being erected at RFID electronic label reader on cross bar, read the RFID electronic tag of the motor vehicles that pass through, thereby the information of vehicles of the motor vehicles that obtain passing through, comprise number-plate number, type of vehicle, vehicle color, the vehicle owner, vehicle annual test situation of motor vehicles etc., and these information exchanges are crossed to the server that switch sends to command centre, the server of command centre is judged fast and whether is had break in traffic rules and regulations and have which break in traffic rules and regulations according to these information.Concrete violating the regulations regular those skilled in the art can set as required flexibly, such as, when the license plate number of reading when physics car plate identifier and electronic label reader is inconsistent, send warning information, when the vehicle of not annual test by time send warning information, non-bus sends warning information etc. while taking bus zone at the appointed time, concrete regular set basis need to be set flexibly, thereby finds out rapidly and accurately the vehicle of break in traffic rules and regulations, convenient for users to use.
Given coefficient and parameter in the above embodiments; be to provide to those skilled in the art and realize or use of the present utility model; the utility model does not limit and only gets aforementioned disclosed numerical value; in the situation that not departing from utility model thought of the present utility model; those skilled in the art can make various modifications or adjustment to above-described embodiment; thereby protection domain of the present utility model do not limit by above-described embodiment, and it should be the maximum magnitude that meets the inventive features that claims mention.