CN201936359U - Automatic motorcycle type identification system special for card dispenser at expressway entrance - Google Patents
Automatic motorcycle type identification system special for card dispenser at expressway entrance Download PDFInfo
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- CN201936359U CN201936359U CN2010206634949U CN201020663494U CN201936359U CN 201936359 U CN201936359 U CN 201936359U CN 2010206634949 U CN2010206634949 U CN 2010206634949U CN 201020663494 U CN201020663494 U CN 201020663494U CN 201936359 U CN201936359 U CN 201936359U
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Abstract
An automatic motorcycle type identification system special for a card dispenser at an expressway entrance comprises a motorcycle type identification controller, two infrared height measurement light curtains, and five piezoelectric film sensors, wherein the two infrared height measurement light curtains are arranged oppositely on both sides of a lane in a detection area, and the five piezoelectric film sensors are sequentially paved in the lane of the detection area without intersection and overlap along a direction of the cars. A first piezoelectric film sensor and a second piezoelectric film sensor are parallel to each other; a third piezoelectric film sensor and a fourth piezoelectric film sensor are parallel to each other, and an included angle between the second piezoelectric film sensor and the third piezoelectric film sensor is from 30 DGE to 60 DGE; and a fifth piezoelectric film sensor is parallel to the first piezoelectric film sensor and the second piezoelectric film sensor. The automatic motorcycle type identification system special for the card dispenser at the expressway entrance has the advantages that a method combining the piezoelectric film sensors and the infrared height measurement light curtains is adopted to identify the motorcycle types, and the identification accuracy rate of the automatic motorcycle types reaches above 95% through adjusting quantities, angles of assembly, and mutual distances of the piezoelectric film sensors.
Description
Technical field
The utility model relates to the Special Automatic model recognition system of a kind of expressway access card sender.
Background technology
The develop rapidly of building in the last few years along with national highway, set up big and small charge station for supporting the national highway construction to reclaim fund rapidly, most highways have adopted closed charging administration system, promptly send out visa card in the charge station porch, test card in the exit, passenger vehicle is by vehicle and operating range charge, and lorry is charged with operating range by weight, and vehicle turnover highway all is controlled.Present many expressway access place's employing personnel hair fasteners, the artificial judgment vehicle.According to measuring and calculating, the annual direct cost of the artificial hair fastener of inlet the lane in which the drivers should pay fees is about 200,000, and also there is the possibility of artificial error in judgement and collective's cheating in the artificial judgment vehicle.If the automatic card system is installed in the porch, not only can reduce cost greatly, and can solve the drawback that above-mentioned artificial hair fastener brings, particularly some middle charge station hair fasteners are the needs for Path Recognition, adopt this pattern, just swipe the card and can pass through during this node of driver's process, expense is by the unified clearing of final outlet, can reduce the implementation management cost of whole charge station greatly, especially self-evident especially for the management of some remote charge stations that enter the mouth.
Expressway access automatic card system commonly used is made up of automatic model recognition system, card sender, barrier machine, Vehicle License Plate Recognition System, the work of vehicle identification, car plate identification, hair fastener, clearance is finished in this several parts co-ordination under the control of middle control computer.Automatically model recognition system is the important component part of whole automatic card system, it mainly finishes the automatic classification of vehicle according to the country classification standard, for the automatic card system provides the detailed vehicle parameter relevant with charge, from constituting angle, utilize exactly and be installed in and track various sensing devices on every side detect characteristic parameter by vehicle in the track in, system handles comparison to each parameter then, differentiates the electromechanical assembly of type of vehicle automatically according to criteria for classification.
The technology of studying automatic vehicle classification mainly contains: technology such as vehicle three-dimensionalreconstruction, electronic license plate identification, infrared array detector vehicular sideview perspective view, infrared axle sensor, fiber axis sensor, piezoelectric axis sensor, stress axis sensor, pressure drag axle sensor are carried out in waveform recognition, the pulse laser measurement of video image identification, inductive coil output.Because expressway tol lcollection management requires＞95% to the nicety of grading of automatic vehicle classification system, carry out technology such as vehicle three-dimensionalreconstruction as waveform recognition, the pulse laser measurement of the output of video image identification, inductive coil and be limited to weather, vehicle characteristics, complex situations such as driving situation and the automatic vehicle classification that is not suitable for charging only can be used for monitoring and traffic statistics.Though the accuracy rate that the vehicle classification system of electronic tag discerns vehicle can reach 100%, all trafficks all can not be installed electronic tag at present stage of china.Domestic since the eighties from the beginning of the vehicle recognition device is studied. the Dandong Electronics Institute that has the earliest adopts infrared sensor to measure the vehicle parameter to classify.Xian Institute of Highway carries out overall height, the number of axle, wheelbase, diameter of tyres with infrared sensor and detects, and car is divided into four classes.Xi'an Highway house classifies with four pressure transducer measurement axis distances, wheelspan and the number of axle according to the equilibrium of forces principle.Beijing Highway Administration Bureau and the Ministry of Aerospace Industry's 103 used infrared sensors adopt vehicular sideview geometric properties and wheelspan chassis height information to classify.The mode that traffic scientific research institution, Fujian utilizes ultrasound wave, infrared sensor to combine is measured parameters such as overall height, vehicle commander, overall width, the number of axle, wheelbase and is classified.Also have the vehicle classification device of unit developments such as Guangdong Machinery College, Beijing Highway house, South China Science ﹠ Engineering University also developed this series products, but these devices fail to promote the use of because of discrimination is low mostly.
The accuracy of vehicle classification is not only relevant with the equipment that adopts, and also sorting technique and the standard with vehicle has much relations.At present, China's vehicle classification standard mostly is to classify according to nominal load capacity and carriage seat number, this kind method rationality is good, but simplicity is poor, artificial and automatic identification vehicle is all difficult, because nominal load capacity and carriage seat number and contour of the vehicle parameter do not have one-to-one relationship, it is very difficult thinking directly to measure nominal load capacity and carriage seat number, China reequips vehicle and a lot of from the various vehicles of various countries' import in addition, direct like this contour of the vehicle parameter is measured, be difficult to reach the charge vehicle is carried out the automatic, high precision classificating requirement.
The utility model content
The purpose of this utility model is to provide a kind of expressway access card sender Special Automatic model recognition system, the mode that this system adopts piezoelectric film sensor and the high light curtain of infrared survey to combine is discerned automatically to vehicle, can finish the collection of vehicle information such as the number of axle, axle type, wheelbase, the speed of a motor vehicle, vehicle, car weight, obtain accurate, reliable data, vehicle recognition correct rate height, and have life-span length, maintenance less, characteristics easy for installation and little to road damage.
For achieving the above object, the utility model by the following technical solutions:
The Special Automatic model recognition system of a kind of expressway access card sender, comprise the vehicle identification controller, two high light curtains of infrared survey and five piezoelectric film sensors, the both sides, track that are arranged on detection zone that the high light curtain of these two infrared surveys is relative, these five piezoelectric film sensors follow in the track that the car direction is laid on detection zone successively, there is not juxtaposition each other, wherein, first piezoelectric film sensor and second piezoelectric film sensor are parallel to each other, the 3rd piezoelectric film sensor and the 4th piezoelectric film sensor are parallel to each other, and with first, the angle of second piezoelectric film sensor is 30～60 degree, the 5th piezoelectric film sensor and first, second piezoelectric film sensor is parallel.
The line of centres of described two high light curtains of infrared survey and the vertical range between the card sender are 18～35m.
Vertical range between the line of centres of described vehicle identification controller and two high light curtains of infrared survey is 0.3～5m.
The length of described piezoelectric film sensor is 1.5～3.5m.
Vertical range between the line of centres of described first piezoelectric film sensor and two high light curtains of infrared survey is 0.2～0.5m.
Distance between described first piezoelectric film sensor and described second piezoelectric film sensor is 0.1～0.6m.
The distance that follows on the car direction between described the 3rd piezoelectric film sensor and described the 4th piezoelectric film sensor is 0.3～0.6m.
Distance between described first piezoelectric film sensor and described the 5th piezoelectric film sensor is 1.6～2.2m.
The vehicle identification controller mainly is responsible for data acquisition, analysis, processing and transmission.Controller carries out data acquisition to the high light curtain of infrared survey, piezoelectric film sensor earlier, the data that to gather are then analyzed and are carried out data processing according to the vehicle classification standard, send result to control computer by the RS232 serial ports at last, control the hair fastener clearance work that whole automatic card system finishes vehicle by control computer.
The high light curtain of infrared survey is mainly finished two work, at first is to finish vehicle tailing in work, guarantees that vehicle correctly separates; Its less important testing of finishing height of car and external form.For example usually the headstock of lorry and vehicle body be separate and the headstock and the vehicle body of passenger vehicle are one, can identify passenger vehicle or lorry according to these characteristics.
Piezoelectric film sensor is to be exclusively used in the sensor that detects the axle type.When passing through the piezoelectric film sensor of level laying, axletree can produce an impact, piezoelectric film sensor will be exported a voltage signal, measure the number of axle of vehicle according to the number of times that impacts, when piezoelectric film sensor that vehicle is laid through two horizontal directions, can measure the speed of axle, it is heavy just can to measure axle according to the area of speed and voltage-time shaft formation, i.e. axle weight=speed * voltage * time; When piezoelectric film sensor that car is laid through two vergence directions, single tire vehicle can only be pressed onto a sensor, and the twins vehicle can be pressed onto two sensors simultaneously, and the fetalism that so just can measure vehicle is single tire or twins.The sensor that utilizes two levels to lay in addition also can calculate the spacing of shaft and axle, i.e. distance between axles=axle speed * time.By many sensors of laying by different angles, can accurately measure distance between axles, the number of axle, axle weight, tire number and the shaft coupling information of vehicle.
Can calculate the shaft type by distance between axles, the number of axle, fetalism.Because there are certain corresponding relation in normal conditions lower shaft type and vehicle, are generally lorry as 〉=3 cars, so just can measure the vehicle of a part of car to a certain extent according to the axle type.
Advantage of the present utility model is:
1, the mode that combines of the piezoelectric film sensor that adopts of the utility model and the high light curtain of infrared survey is discerned vehicle, makes the recognition correct rate of automatic model recognition system reach more than 95% by the quantity of adjusting piezoelectric film sensor, the angle and the distance each other of installation;
2, the utlity model has an additional function, promptly can realize the measurement of weight, select this parameter to do reference, can reduce to change card cheating probability greatly, this also is the function that other vehicle recognition devices do not have.
3, by the data of automatic model recognition system input of the present utility model have been carried out analysis-by-synthesis, can set up a sets of data storehouse, and draw the digital-to-analogue analytical approach of a cover science.To compare through information of vehicles and database data, can accurately judge vehicle through vehicle.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, the Special Automatic model recognition system of expressway access of the present utility model card sender, comprise vehicle identification controller 6, two 7,8 and five piezoelectric film sensors of the high light curtain of infrared survey, the both sides, track that are arranged on detection zone that the high light curtain of the high light curtain 7 of the first infrared survey and the second infrared survey 8 is relative, these five piezoelectric film sensors follow in the track that the car direction is laid on detection zone successively, there is not juxtaposition each other, wherein, first piezoelectric film sensor 1 and second piezoelectric film sensor 2 level that is parallel to each other is laid; The 3rd piezoelectric film sensor 3 and the 4th piezoelectric film sensor 4 are parallel to each other, and the angle of the 3rd piezoelectric film sensor 3 and second piezoelectric film sensor 2 is 30～60 degree, and the 5th piezoelectric film sensor 5 levels are laid.
The line of centres and the vertical range between the card sender 9 of high light curtain 7 of the first infrared survey and the high light curtain 8 of the second infrared survey are 18～35m.
Vertical range between the line of centres of vehicle identification controller 6 and the high light curtain 7 of the first infrared survey and the high light curtain 8 of the second infrared survey is 0.3～5m.
The length of described five piezoelectric film sensors is 1.5～3.5m.
Vertical range between the line of centres of first piezoelectric film sensor 1 and two high light curtains 7,8 of infrared survey is 0.2～0.5m.
Distance between first piezoelectric film sensor 1 and second piezoelectric film sensor 2 is 0.1～0.6m.
The distance that follows on the car direction between the 3rd piezoelectric film sensor 3 and the 4th piezoelectric film sensor 4 is 0.3～0.6m.
Distance between first piezoelectric film sensor 1 and the 5th piezoelectric film sensor 5 is 1.6～2.2m.
Automatic model recognition system of the present utility model is when practical application, and the high light curtain of infrared survey detects the height and the external form of vehicle, and finishes vehicle tailing in work.Tire according to vehicle is pressed onto voltage signal mensuration distance between axles, axle weight, the number of axle, tire number and the shaft coupling information of exporting behind the piezoelectric film sensor.The vehicle identification controller is gathered the data in high light curtain of infrared survey and the piezoelectric film sensor, the data that to gather are then analyzed and are carried out data processing according to the vehicle classification standard, judge the concrete axle type and the vehicle of vehicle, send result to control computer by the RS232 serial ports at last, control the hair fastener clearance work that whole automatic card system finishes vehicle by control computer.
Utilize automatic model recognition system of the present utility model that automatic vehicle identification experiment is carried out in following two tracks:
1, card sender is equipped with in the Nanchang south charge station super wide track of keeping to the side, and lorry is more.To compare with the result who utilizes automatic model recognition system identification of the present utility model from the given information of vehicles of card sending system Control Software, the result shows that a type recognition correct rate and vehicle recognition correct rate are all more than 95%.
2, the standard track of Nanchang north charge station, do not adorn card sender, passenger vehicle is more, the result of model recognition system sends a notebook of doing test usefulness to by serial ports, in this notebook testing software is installed, axle type, the vehicle that therefrom can read each car of process recognition system provide statistics.The result of testing software statistics is compared with the result who utilizes automatic model recognition system identification of the present utility model, and the result shows that a type recognition correct rate and vehicle recognition correct rate are all more than 95%.
Claims (8)
1. Special Automatic model recognition system of expressway access card sender, it is characterized in that, comprise the vehicle identification controller, two high light curtains of infrared survey and five piezoelectric film sensors, the both sides, track that are arranged on detection zone that the high light curtain of these two infrared surveys is relative, these five piezoelectric film sensors follow in the track that the car direction is laid on detection zone successively, there is not juxtaposition each other, wherein, first piezoelectric film sensor and second piezoelectric film sensor are parallel to each other, the 3rd piezoelectric film sensor and the 4th piezoelectric film sensor are parallel to each other, and with first, the angle of second piezoelectric film sensor is 30～60 degree, the 5th piezoelectric film sensor and first, second piezoelectric film sensor is parallel.
2. card sender Special Automatic model recognition system in expressway access as claimed in claim 1 is characterized in that the line of centres of described two high light curtains of infrared survey and the vertical range between the card sender are 18～35m.
3. card sender Special Automatic model recognition system in expressway access as claimed in claim 1 is characterized in that, the vertical range between the line of centres of described vehicle identification controller and two high light curtains of infrared survey is 0.3～5m.
4. card sender Special Automatic model recognition system in expressway access as claimed in claim 1 is characterized in that the length of described piezoelectric film sensor is 1.5～3.5m.
5. card sender Special Automatic model recognition system in expressway access as claimed in claim 1 is characterized in that, the vertical range between the line of centres of described first piezoelectric film sensor and two high light curtains of infrared survey is 0.2～0.5m.
6. card sender Special Automatic model recognition system in expressway access as claimed in claim 1 is characterized in that, the distance between described first piezoelectric film sensor and described second piezoelectric film sensor is 0.1～0.6m.
7. card sender Special Automatic model recognition system in expressway access as claimed in claim 1 is characterized in that, the distance that follows on the car direction between described the 3rd piezoelectric film sensor and described the 4th piezoelectric film sensor is 0.3～0.6m.
8. card sender Special Automatic model recognition system in expressway access as claimed in claim 1 is characterized in that, the distance between described first piezoelectric film sensor and described the 5th piezoelectric film sensor is 1.6～2.2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206634949U CN201936359U (en) | 2010-12-16 | 2010-12-16 | Automatic motorcycle type identification system special for card dispenser at expressway entrance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206634949U CN201936359U (en) | 2010-12-16 | 2010-12-16 | Automatic motorcycle type identification system special for card dispenser at expressway entrance |
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| CN201936359U true CN201936359U (en) | 2011-08-17 |
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| CN2010206634949U Expired - Fee Related CN201936359U (en) | 2010-12-16 | 2010-12-16 | Automatic motorcycle type identification system special for card dispenser at expressway entrance |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509363A (en) * | 2011-09-22 | 2012-06-20 | 深圳思量微系统有限公司 | Dynamic weighing system with vehicle type classification function |
| CN102779362A (en) * | 2012-07-01 | 2012-11-14 | 深圳市金晟安智能系统有限公司 | Card issuing method of integrated circuit (IC) card machine capable of sending category information of different vehicle types |
| CN103279996A (en) * | 2013-05-06 | 2013-09-04 | 华南理工大学 | Vehicle information detecting and recognizing system under multilane condition |
| CN103279998A (en) * | 2013-05-06 | 2013-09-04 | 华南理工大学 | System for acquiring and recognizing entrance/exit lane vehicle information of toll station at toll road |
| CN103617653A (en) * | 2013-11-21 | 2014-03-05 | 深圳市捷顺科技实业股份有限公司 | Method and system for controlling card discharging of parking lot card dispenser |
| CN104574990A (en) * | 2014-12-22 | 2015-04-29 | 贵州中南交通科技有限公司 | Vehicle model identifier with alarm |
| CN104574989A (en) * | 2014-12-23 | 2015-04-29 | 贵州中南交通科技有限公司 | Vehicle model identifier with shock absorber and position-adjustable light curtain sensor |
| CN105352576A (en) * | 2015-11-27 | 2016-02-24 | 太原磅管家科技有限公司 | Vehicle separation method based on dynamic weighing system |
| CN105632180A (en) * | 2015-12-19 | 2016-06-01 | 长安大学 | System and method of recognizing tunnel entrance vehicle type based on ARM |
| CN115472019A (en) * | 2022-11-03 | 2022-12-13 | 广东泓胜科技股份有限公司 | Method and system for shaft weight weighing and shaft type identification in flat plate type dynamic weighing system |
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2010
- 2010-12-16 CN CN2010206634949U patent/CN201936359U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509363A (en) * | 2011-09-22 | 2012-06-20 | 深圳思量微系统有限公司 | Dynamic weighing system with vehicle type classification function |
| CN102779362A (en) * | 2012-07-01 | 2012-11-14 | 深圳市金晟安智能系统有限公司 | Card issuing method of integrated circuit (IC) card machine capable of sending category information of different vehicle types |
| CN103279996A (en) * | 2013-05-06 | 2013-09-04 | 华南理工大学 | Vehicle information detecting and recognizing system under multilane condition |
| CN103279998A (en) * | 2013-05-06 | 2013-09-04 | 华南理工大学 | System for acquiring and recognizing entrance/exit lane vehicle information of toll station at toll road |
| CN103279998B (en) * | 2013-05-06 | 2016-01-06 | 华南理工大学 | A kind of turn pike charge station gateway track collecting vehicle information and recognition system |
| CN103279996B (en) * | 2013-05-06 | 2016-05-04 | 华南理工大学 | Information of vehicles in a kind of multilane situation detects and recognition system |
| CN103617653A (en) * | 2013-11-21 | 2014-03-05 | 深圳市捷顺科技实业股份有限公司 | Method and system for controlling card discharging of parking lot card dispenser |
| CN104574990A (en) * | 2014-12-22 | 2015-04-29 | 贵州中南交通科技有限公司 | Vehicle model identifier with alarm |
| CN104574989A (en) * | 2014-12-23 | 2015-04-29 | 贵州中南交通科技有限公司 | Vehicle model identifier with shock absorber and position-adjustable light curtain sensor |
| CN105352576A (en) * | 2015-11-27 | 2016-02-24 | 太原磅管家科技有限公司 | Vehicle separation method based on dynamic weighing system |
| CN105632180A (en) * | 2015-12-19 | 2016-06-01 | 长安大学 | System and method of recognizing tunnel entrance vehicle type based on ARM |
| CN115472019A (en) * | 2022-11-03 | 2022-12-13 | 广东泓胜科技股份有限公司 | Method and system for shaft weight weighing and shaft type identification in flat plate type dynamic weighing system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20191216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |