CN203054937U - Electronic toll collection system by weight - Google Patents

Abstract

The utility model relates to an electronic toll collection system and especially discloses an electronic toll collection system by weight. The electronic toll collection system by weight is characterized in that a front end of a toll island is provided with a license plate identification unit and an antenna A positioned in front of an electric rail A, and a communication cover area A is formed by the antenna A on an ETC lane; a fee display A is disposed in front of the electric rail A and a fee display B is disposed in front of an electric rail B; a laser radar A, a laser radar B and a lane camera are arranged behind the electric rail A; a communication cover area B is formed in front of the electric rail B by the antenna B arranged on the toll island; and all the above parts are connected with an ETC lane controller which is equipped with a platform balance and wheel shaft identification apparatus that is connected with a weighing controller. The electronic toll collection system by weight is compact in structure, reasonable in design and accurate in detection, is widely applicable, is capable of warning in an early manner for super-long trucks, and helps to determine cheating behaviors, for instance, drivers of the super-long trucks cheat when the trucks are weighed.

Description

A kind of electronic non-parking weight metering charging system

(1) technical field

The utility model relates to electronic charging system without parking, particularly a kind of electronic non-parking weight metering charging system.

(2) background technology

Electric non-stop toll (ETC) is extensively promoted at present at home, but the ETC track of having runed at present all only supports vehicle to charge, and domestic most highway is all implemented weight metering charging to goods stock, and most goods stocks can't be experienced the facility in ETC track; In the more charge station of some lorries, the vehicle of waiting in line to pay the fees in the period of blocking up can cause the passenger vehicle that electronic tag is installed can't change the ETC dedicated Lanes in addition, can cause charge efficient to reduce equally.Domestic more existing researchs about the electronic non-parking weight metering charging at present comprise track layout, the dynamically research of aspect such as the selection of Weight-measuring sensor and layout.This programme is on the basis of above research, by using laser radar apparatus to improve the accuracy that vehicle separates, guarantee count that heavy vehicle produces or the heavy order of meter when having other vehicles to be inserted into the ETC track correct, and it is heavy to predict whether vehicle can finish dynamic meter in this track, and whether vehicle pass-through speed satisfies meter is reseted the requirement that is equipped with.Mainly solve the following problem that exists in the prior art:

(1) vehicle separates the problem that has error rate.Mostly Dynamic Weighing Technology is that the employing echelette carries out vehicle with electromagnetic induction coil and separates at present, and there is certain error rate in this isolation technics, can be checked by the fee-collector at manual toll collection, to being merged or fractured operation by the wrong vehicle that separates.But in the ETC track, manually do not check this step, even the ETC track has the people on duty, have little time to make amendment under according to the situation of mistake the meter tuple occurring yet.And whether the vehicle explode error directly has influence on the calculating of toll correct, can cause customer complaint or cause the freeway toll loss;

(2) validation problem of vehicle length." the turn pike networked fee collection technical requirement " of Department of Transportation's issue in 2007 stipulated to implement the toll island dimensional requirement of weight metering charging, is subjected to multiple factor affecting such as actual track length, weighing platform installation site and toll collection location but can finish the heavy vehicle maximum length of dynamic meter in the track.For avoiding long vertical to enter the heavy ETC of meter track, can verify vehicle length in advance, and be that the vehicle length of record is difficult to accomplish true and accurate in the OBU of lorry distribution that the difference of trailer trailer converter dolly and trailer length according to whether also can change;

(3) the weighing platform measuring accuracy is in the problem of the higher time error increasing of the speed of a motor vehicle.The measuring accuracy of most of weighing platform is influenced by the speed of a motor vehicle all can in the market, and speed is more big, and error is more big.In the MTC track, if vehicle speed of a motor vehicle when the weighing platform is too fast, the fee-collector weighs after can requiring vehicle to pour out again, but in the ETC track, reversing is bigger to the traffic efficiency influence in ETC track, needs limit before vehicle is by weighing platform;

(4) disturb and follow car cheating problem with car.The expressway network toll mileage is long, receivable toll is higher behind the overloading wagon, when ETC allows to pass through lorry, if teamster associating chauffeur is deliberately with the car cheating, behind the ETC system clearance dolly, dolly forwards adjacent MTC track to, and lorry is not paid the fees current from the ETC track, be difficult to charged personnel and realize, can cause the freeway toll loss;

(5) the passenger vehicle traction caravan problem in ETC track of travelling.Domestic most ETC track is in order to save cost, all do not use the vehicle discriminating gear, but directly use the vehicle that records in the OBU, but under the situation that does not have the vehicle discriminating gear, the ETC track if passenger vehicle traction caravan travels, system can't differentiate, and can only charge according to the OBU that passenger vehicle itself is installed, and can cause the freeway toll loss.

Laser radar uses laser distance measuring principle, utilize the minute surface of rotation at a high speed to launch laser pulse with different angles to measured target, thereby obtain the two-dimensional scan of measured target, be widely used in the aspects such as appearance profile calculating, coordinate setting, distance judgement and speed calculating of object.

(3) summary of the invention

The utility model is in order to remedy the deficiencies in the prior art, provide a kind of automation function strong, detect electronic non-parking weight metering charging system accurately.

The utility model is achieved by the following technical solution:

A kind of electronic non-parking weight metering charging system, comprise the toll island that is arranged on ETC track one side, toll island is provided with tollbooth and weighing controller, be provided with the ETC driveway controller in the tollbooth, toll island is provided with electric railing A and the electric railing B that lays respectively at the tollbooth front and back, be respectively arranged with corresponding fall bar loop A and the bar coil B that falls on electric railing A and the electric railing B, it is characterized in that: the toll island front end is provided with the car plate recognition unit and forms communication coverage area A in the ETC track with the antenna A that is positioned at electric railing A front and antenna A, electric railing A and electric railing B front are respectively arranged with expense volume display A and Fei E display B, electric railing A back is provided with laser radar A, laser radar B and track video camera, the antenna B that is installed on the toll island forms communication coverage area B in electric railing B the place ahead, said apparatus all is connected with the ETC driveway controller, and the ETC track is provided with platform balance and the wheel shaft recognition device that connects weighing controller.

The utility model is used for the check that the heavy vehicle of meter separates by lay laser radar in the ETC track, differentiate vehicle heading by laser radar simultaneously, vehicle in the real-time follow-up ETC track is prejudged vehicle length when vehicle enters the ETC track, the guiding long vertical changes the MTC track over to and pays the fees.In the vehicle pass-through process, laser radar is monitored the speed of a motor vehicle and vehicle heading in real time, and railing does not lift before lorry exceeds when speed is set, if vehicle has obvious acceleration and deceleration when weighing station, can report to the police.Laser radar is followed the tracks of the position of all vehicles in the track, and when current railing clearance vehicle produced to the phase neighboring trace, back railing fell automatically and reports to the police, and prevention is deliberately with the car fee evasion.When laser radar has many cars before the railing before detecting, can differentiate the electronic labeling information of receiving and whether belong to first car, only first car be concluded the business, prevention is disturbed with car.

More excellent scheme of the present utility model is:

Described antenna A is installed on the L type support A, is positioned at 5.5 meters, center line top, track, long 10 meters of the communication coverage area A of formation; Antenna B is installed on column, L type support or the portal frame, and 5 meters apart from ground, long 5 meters of the communication coverage area B of formation extends to behind the electric railing B 0.5 meter; By antenna A and antenna B the vehicle that is about to enter or roll away from the ETC track is monitored in real time.

Described laser radar A and laser radar B are installed on the L type support B, be positioned at 7.5 meters of tops, track, its subpoint is divided into 3 sections with the track, each zone of 20 meters before and after its subpoint of continuous sweep, the scanning result of laser radar is used for the vehicle separation, vehicle changes over to and produces judgement, vehicle check, can't be detected sometimes to prevent the narrower vehicle of vehicle body.

On described expense volume display A and the Fei E display B alarm is installed all, checks in time that by alarm prompting driver the Fail Transaction reason that shows on the expense volume display reaches the suggestion to the driver.

The utility model compared with prior art, the beneficial effect that possesses is:

(1) laser radar scans all vehicles in the track continuously, the result who repeatedly scans is used for vehicle separates check, can guarantee that vehicle separates correctly.The result of laser scanning simultaneously can accurately identify reversing, insertion ETC track and produce the vehicle in ETC track, and it is correct to guarantee to count heavy vehicle formation;

(2) by laser radar identification vehicle length, can carry out early warning to long vertical, forbid that long vertical enters the ETC track;

(3) laser radar in real time monitor vehicle travel speed and calculate the acceleration of vehicle, and judge by the variation of speed whether the driver practises fraud by jumping means such as pound, brake.When the speed of a motor vehicle exceeds the weighing platform allowed band, can forbid that vehicle enters the ETC track; When vehicle has cheatings such as jumping pound, can forbid that vehicle is current from E TC track;

(4) can identify vehicle vehicle commander, overall height, vehicle, stop to change the OBU fee evasion.Laser radar can be identified vehicle commander, overall height, the vehicle of vehicle, by with OBU in recorded information relatively, the cart small tenon that may occur in the time of OBU can being issued, car owner transfer to dolly OBU under the prerequisite that does not trigger OBU tamper mechanism on the cart and evade toll.The discovery vehicle is not inconsistent and can on-the-spot tackles, perhaps the data auditing by gather by the ETC track afterwards;

(5) number of vehicles in the laser radar identification sweep limit, in the time of before having many cars to be in communication zone and railing, if can not judge a car headed by which car by features such as license plate recognition result and vehicle length, vehicles, will not conclude the business, can effectively prevent the generation of disturbing with car.When the vehicle of Transaction Success produces to adjacent MTC track, preceding railing will fall automatically, can effectively prevent the generation with the car cheating;

(6) the technical program can be utilized original track layout and weighing platform, can reduce the required ground induction coil quantity in ETC track simultaneously, does not rely on the ground induction coil positioned vehicle, can reduce the destruction of road pavement, and can reduce maintenance workload.

The utility model compact conformation, reasonable in design, applied widely, detect accurately, have and to carry out early warning to the overlength lorry, can judge fraudulent meanses such as jumping pound, utilize laser radar and the vehicle number of axle to judge vehicle vehicle commander, overall height and vehicle simultaneously, can prevent that vehicle replacing OBU from evading functions such as toll.

(4) description of drawings

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is plane arrangement structure synoptic diagram of the present utility model;

Fig. 2 is the process flow diagram of the utility model electric railing A clearance vehicle;

Fig. 3 is the process flow diagram of the utility model electric railing B clearance vehicle.

Among the figure, 1 communication coverage area A, 2 car plate recognition units, 3 L type support A, 4 antenna A, 5 take volume display A, 6 electric railing A, 7 track video cameras, the 8 bar loop A that fall, 9 L type support B, 10 laser radar A, 11 laser radar B, 12 platform balances and wheel shaft recognition device, 13 weighing controllers, 14 ETC driveway controllers, 15 tollbooth, 16 communication coverage area B, 17 take volume display B, 18 electric railing B, the 19 bar coil B that fall, 20 antenna B.

(5) embodiment

Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises the toll island that is arranged on ETC track one side, toll island is provided with tollbooth 15 and weighing controller 13, be provided with ETC driveway controller 14 in the tollbooth 15, toll island is provided with electric railing A6 and the electric railing B18 that lays respectively at tollbooth 15 front and back, be respectively arranged with corresponding fall bar loop A 8 and the bar coil B19 that falls on electric railing A6 and the electric railing B18, the toll island front end is provided with car plate recognition unit 2 and forms communication coverage area A1 in the ETC track with the antenna A4 that is positioned at electric railing A6 front and antenna A4, electric railing A6 and electric railing B18 front are respectively arranged with expense volume display A5 and Fei E display B17, electric railing A6 back is provided with laser radar A10, laser radar B11 and track video camera 7, the antenna B20 that is installed on the toll island forms communication coverage area B16 in electric railing B18 the place ahead, said apparatus all is connected with ETC driveway controller 14, and the ETC track is provided with platform balance and the wheel shaft recognition device 12 that connects weighing controller 13; Described antenna A4 is installed on the L type support A3, is positioned at 5.5 meters, center line top, track, long 10 meters of the communication coverage area A1 of formation; Antenna B20 is installed on column, L type support or the portal frame, and 5 meters apart from ground, long 5 meters of the communication coverage area B16 of formation extends to behind the electric railing B18 0.5 meter; Described laser radar A10 and laser radar B11 are installed on the L type support B9, are positioned at 7.5 meters of tops, track, and its subpoint is divided into 3 sections with the track, each zone of 20 meters before and after its subpoint of continuous sweep; On described expense volume display A5 and the Fei E display B17 alarm is installed all.

Antenna A4 forms antenna communication overlay area 1 with the inclination angles of about 45 degree to direction to the car irradiation, long 10 meters approximately, is mainly used in according to the transaction of the passenger vehicle of vehicle charge and part lorry (as picking-up vehicle) with according to the checking of the lorry OBU of weight metering charging.Each zone of 20 meters before and after its subpoint of laser radar A10 and B11 continuous sweep is having when not concluding the business stoppage of vehicle regional before electric railing A6, and system does not handle back vehicle, can effectively prevent the generation with the car interference phenomenon.The mode that car plate recognition unit 2 adopts video to trigger is carried out vehicle license identification, and focal length is aimed near the position 1 far-end of antenna communication overlay area.Whether charge station can arrange the sign label at island, ETC track head and indicate this track and allow lorry current and indicate information such as the length that allows current lorry, the speed of a motor vehicle, limit for tonnage.

Before expense volume display A5 is installed in electric railing A6, show information such as remaining sum in access station, the consumption amount of money, the card to the driver during arm's length transaction, when lorry is let pass, show the information of remaining sum and similar " the place ahead weight metering charging " in access station, the card temporarily.Do not install because of vehicle electronic tag, the card in Sorry, your ticket has not enough value, when reasons such as plug-in card, weight metering charging lorry overlength, hypervelocity can not let pass, expense volume display A5 goes up the driver's suggestion that shows the Fail Transaction reason and give, take simultaneously on the volume display and yellowly to dodge warning and can start, the prompting driver checks.

Electric railing B18 is installed near the toll island end, is in the state of lifting when charging at no car or by vehicle, and letting pass at electric railing A6 falls when the lorry of complete transaction does not enter, and lifts after antenna B20 finishes transaction.Long 5 meters approximately of the communication coverage area 16 of antenna B20, extend to behind the electric railing B18 about 0.5 meter, following of normal condition is handled through antenna A4 checking but the vehicle of not concluding the business, also be used for transaction without antenna A4 transaction but enter the vehicle in ETC track with car, system's control is only concluded the business once to same OBU, to prevent repeat business.

Before expense volume display B17 is installed in electric railing B18, the information of same that passenger vehicle shows is taken volume display A5, lorry to interim clearance, after Transaction Success, show gross combination weight, information such as remaining sum in the rate that transfinites, this consumption amount of money, card, the driver's suggestion that shows the Fail Transaction reason during Fail Transaction and give, take simultaneously on the volume display and yellowly to dodge warning and can start, the prompting driver checks, and the prompting toll collector handles.

The workflow of the electronic non-parking weight metering charging system of above-mentioned use laser radar is specially:

(1) each zone of 20 meters before and after its subpoint of laser radar A10 and B11 continuous sweep, scan-data sends to ETC driveway controller 14 in real time, it is the rectangular coordinate of the former electricity of coordinate that ETC driveway controller 14 converts to the position data of polar form with the subpoint of electric railing A6 in the track, thereby obtains two-dimensional silhouette, vehicle commander, overall height, the speed of a motor vehicle and the acceleration of vehicle.

(2) antenna A4 reads OBU information and card information after detecting OBU, and carries out availability deciding.If laser radar has many cars before detecting railing A6, can follow car to disturb and judge that only the OBU to first car concludes the business.Simultaneously, system compares information such as the vehicle commander that records in the OBU, overall height and laser radar actual detected information, judges whether vehicle is changed OBU or reequiped, if influenced toll calculating, then reports to the police, and disregards.

(3) for passenger vehicle, the lorry that can charge by vehicle, antenna A4 directly finishes transaction according to the amount receivable that the vehicle rate is calculated, and the information of transaction vehicle is put into the formation of clearance vehicle, and railing is let pass before and after the mark, and preceding railing lifts.

(4) for the lorry of need weight metering charging, the distinguish of system vehicle whether overlength, hypervelocity, Sorry, your ticket has not enough value, wherein remaining sum is estimated according to rule according to data such as axletree number, wheel number in the OBU.Occur reporting to the police unusually, guided vehicle slows down or turns to the MTC track.If normal, information of vehicles is put into the formation of clearance vehicle, being marked at the back railing need tackle, and preceding railing lifts, and back railing falls behind the vehicle of this car front of having let pass.

(5) if laser radar detects by clearance vehicle length to diminish in railing A6 the place ahead, be considered as vehicle and produce neighboring trace, railing A6 falls, and passes through to prevent the back car.

(6) vehicle by weighing platform and wheel shaft recognition device 12 after, weighing controller 13 passes to ETC driveway controller 14 with vehicle weighing information, differentiation vehicles such as the vehicle commander who records in the vehicle commander that system detects according to laser radar, the OBU, axletree number, wheel number separate the vehicle limit for tonnage whether correct, that weighing controller 13 provides and according to the limit for tonnage that OBU axletree number, wheel number are found whether conflict are arranged, and attempt adjusting automatically.

(7) if be the weight metering charging vehicle, and find that the meter tuple according to unusual, then reports to the police, take volume display B17 and show error message that yellow the sudden strain of a muscle reported to the police, and notifies fee-collector and driver's abnormal conditions, antenna A4 other vehicle of clearance of no longer concluding the business before mistake is recovered; If the meter tuple according to normal, then it is calculated that amount receivable and finishes transaction according to the meter tuple, take volume display B17 and show information such as gross combination weight, limit for tonnage, this toll amount and charge back remaining sum, railing is let pass behind the mark, lifts the back railing.

(8) by the vehicle of back railing B18 interception, as because reasons such as plug-in card not are blocked, then can continue clearance after the fault recovery; If because Sorry, your ticket has not enough value the cause trouble of Denging can't recover, the toll administration personnel need manual toll collection, or manually guiding vehicles are gone out the ETC track and carry out the benefit expense.After the vehicle of quilt back railing B18 interception was let pass, system returned to normal operating condition.

The track layout of the technical program can be used the general preposition layout of railing in present domestic ETC track, the weighing platform position can be concordant with the weighing platform in MTC track, when transforming ETC weight metering charging track as by MTC track or ETC vehicle charging track, can utilize original weighing platform and toll island layout.

Claims (4)

1. electronic non-parking weight metering charging system, comprise the toll island that is arranged on ETC track one side, toll island is provided with tollbooth and weighing controller (13), be provided with ETC driveway controller (14) in the tollbooth, toll island is provided with the electric railing A(6 that lays respectively at the tollbooth front and back) and electric railing B(18), electric railing A(6) and electric railing B(18) on be respectively arranged with corresponding fall bar loop A (8) and the bar coil B(19 that falls), it is characterized in that: the toll island front end is provided with car plate recognition unit (2) and is positioned at electric railing A(6) the antenna A(4 of front) and antenna A(4) form communication coverage area A(1 in the ETC track), electric railing A(6) and electric railing B(18) front is respectively arranged with expense volume display A(5) and expense volume display B(17), electric railing A(6) back is provided with laser radar A(10), laser radar B(11) and track video camera (7), be installed in the antenna B(20 on the toll island) at electric railing B(18) the place ahead formation communication coverage area B(16), said apparatus all is connected with ETC driveway controller (14), and the ETC track is provided with platform balance and the wheel shaft recognition device (12) that connects weighing controller (13).

2. electronic charging system without parking according to claim 1 is characterized in that: described antenna A(4) be installed in L type support A(3) on, be positioned at 5.5 meters, center line top, track, the communication coverage area A(1 of formation) long 10 meters; Antenna B(20) be installed on column, L type support or the portal frame 5 meters apart from ground, the communication coverage area B(16 of formation) long 5 meters, extend to behind the electric railing B 0.5 meter.

3. electronic charging system without parking according to claim 1, it is characterized in that: described laser radar A(10) and laser radar B(11) be installed in L type support B(9) on, be positioned at 7.5 meters of tops, track, its subpoint is divided into 3 sections with the track, each zone of 20 meters before and after its subpoint of continuous sweep.

4. electronic charging system without parking according to claim 1 is characterized in that: described expense volume display A(5) and expense volume display B(17) on alarm all is installed.

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