CN106652063A

CN106652063A - Free-flow electronic charging method and system for bidirectional lane

Info

Publication number: CN106652063A
Application number: CN201611185718.8A
Authority: CN
Inventors: 张北海; 鲁程; 尤鑫; 薛金银; 李全发; 高文宝; 武潇; 张为民; 张晶晶; 逯静辉
Original assignee: Beijing Yiluxing Technology Co Ltd; BEIJING SUTONG TECHNOLOGY Co Ltd
Current assignee: Beijing Yiluxing Technology Co Ltd; BEIJING SUTONG TECHNOLOGY Co Ltd
Priority date: 2016-12-20
Filing date: 2016-12-20
Publication date: 2017-05-10

Abstract

The invention proposes a free-flow electronic charging method and system for a bidirectional lane, and the method comprises the steps: carrying out the bidirectional detection of a return signal of a vehicle-mounted terminal, and carrying out the communication with the detected vehicle-mounted terminal; and carrying out the charging of the vehicle-mounted terminal according to the return signal of the vehicle-mounted terminal and a preset charging strategy. The method can detect the vehicle-mounted terminals of vehicles running in two directions of a charging section, and automatically completes the charging transaction with the vehicle-mounted terminals installed at any positions of vehicles.

Description

Two-way lane freely flows electronic toll method and system

Technical field

The application is related to toll management technical field, more particularly to a kind of two-way lane freely flows electronic toll method and is System.

Background technology

It is car that multilane freely flows (Multi-Lane Free Flow referred to as freely flow or MLFF) E-payment system Can freely on road travel automotive vehicle Fare Collection System.What multilane freely flowed be mainly characterized by road surface does not isolate Facility, charge equipment is erected on the door frame above track, and when vehicle is by charge door frame, trackside antenna is with car-mounted terminal certainly Dynamic to complete charge transaction, candid camera carries out Car license recognition and vehicle location detection, to normal vehicle of concluding the business, the abnormal car of transaction And be identified and check without label vehicle.Can be with free lane change, to speed without spy by the vehicle of area of charge Do not limit, vehicle is freely travelled as on the common section.Multilane free-flow electronic toll collection system has vehicle pass-through The feature such as efficiency high, land occupation resource are few, environmental suitability is strong, it is adaptable to the magnitude of traffic flow is big, shortage of land resource, to current The higher charging section of rate request, such as expressway tol lcollection and urban road blowdown congestion-pricing.

Because urban road network is complicated, traffic flow unpredictability is larger, for example, may allow in narrow road Vehicle opposing traffic, tide track is also different in the travel direction of different period vehicles, in the road without track isolation facility Road, vehicle is likely to move backward, drives in the wrong direction or by means of to lanes.Current electronic road charge system is mainly for unidirectional receipts Take, for the charge of these driving modes is also without special solution.

The patent of invention of Chinese patent publication No. CN103268640A, it is entitled：" many cars based on multibeam antenna Freely flow E-payment system and method in road ", result and DSRC are captured by the camera to installing on door frame of charging The method that (Dedicated Short Range Communications, DSRC technology) transaction results are matched Inspection function automatically is realized, and supports vehicle in any way by road surface of charging.In the invention, roadside unit RSU (Road Side Unit) and camera can only detect the current vehicle in a direction, for drive in the wrong direction, reversing etc. vehicle, existing multilane Freely flowing the unidirectional detection feature of scheme causes it cannot to know because of the problem of logical transaction or communication link quality Other vehicle and carry out automated transaction.

The content of the invention

To solve the free streaming system of existing multilane asking for reliable charge cannot be carried out to the vehicle of retrograde and reverse travel Topic a, purpose of the application is to propose that a kind of two-way lane freely flows electronic toll method and system, can detect charge The car-mounted terminal of the vehicle of road section twocouese traveling, and be automatically performed with the car-mounted terminal installed in optional position on vehicle Charge transaction, improves the reliability of non-parking charge transaction.

To reach above-mentioned purpose, the two-way lane that the embodiment of the present application is proposed freely flows electronic toll method, including：It is two-way The return signal of detection car-mounted terminal, is communicated with the car-mounted terminal for detecting；According to the return signal of the car-mounted terminal The car-mounted terminal is charged with default charging policy.

To reach above-mentioned purpose, the two-way lane that the embodiment of the present application is proposed freely flows E-payment system, including：It is two-way Charging Module, for the signal that two-way acquisition car-mounted terminal is returned, communicates with the car-mounted terminal for detecting, and according to described vehicle-mounted The return signal of terminal and default charging policy are charged to the car-mounted terminal.

The technical scheme provided from above the embodiment of the present application, by detecting toll road section twocouese traveling The car-mounted terminal of vehicle, and charge transaction is automatically performed with the car-mounted terminal installed in optional position on vehicle, while collecting vehicle Two-way by information, and the car-mounted terminal automated transaction on vehicle, it is and two-way by information according to what is collected The transaction to charging verifies that the accuracy and reliability of raising non-parking charge transaction can be with by detection zones of charging The exception of vehicle or transaction is checked behind domain.

The aspect and advantage that the application is added will be set forth in part in the description, and partly will become from the following description Obtain substantially, or recognized by the practice of the application.

Description of the drawings

In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of application, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is the schematic flow sheet that the two-way lane that the embodiment of the application one is proposed freely flows electronic toll method；

Fig. 2 is the structural representation that the two-way lane of the embodiment of the application one freely flows E-payment system；

Fig. 3 is the single track layout side view and top view of the embodiment of the application one；

Fig. 4 is the multilane layout top view of the embodiment of the application one；

Fig. 5 is the detection zone side view of the trackside antenna of the embodiment of the application one；

Fig. 6 is the schematic diagram of two kinds of forms of the composition of the trackside antenna of the embodiment of the present application；

Fig. 7 (a) and Fig. 7 (b) are the detection zone side-lookings of the video detection video camera of two kinds of forms of the embodiment of the present application Figure；

Fig. 8 is the schematic diagram of several forms of the composition of the video detection video camera of the embodiment of the present application；

Fig. 9 is the workflow schematic diagram that the two-way lane of the embodiment of the application one freely flows E-payment system.

Specific embodiment

The embodiment of the present application provides a kind of two-way lane and freely flows electronic toll method and system.

In order that those skilled in the art more fully understand the technical scheme in the application, below in conjunction with the application reality The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described enforcement Example is only some embodiments of the present application, rather than the embodiment of whole.Based on the embodiment in the application, this area is common The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to the application protection Scope.

The scheme of the application is applied to two-way lane non-parking charge, is particularly suited for the charge of tide road, more just Just it is two-way come car charge.

Fig. 1 is that the two-way lane that the embodiment of the application one is proposed freely flows the schematic flow sheet of electronic toll method, such as Fig. 1 Shown, the method includes：

Step 101, the return signal of two-way detection car-mounted terminal, is communicated with the car-mounted terminal for detecting；

Step 102, charges according to the return signal and default charging policy of the car-mounted terminal to the car-mounted terminal.

Specifically, above-mentioned steps, two-way day can be realized by arranging two-way charging device above toll road section The signal of the car-mounted terminal on line detection road, is communicated with car-mounted terminal such that it is able to tide road and other are special Road it is two-way come car charge, moreover it is possible to non-parking charge carried out to a plurality of road of same charge section, the reliability of charge is improved Property and convenience.Wherein, the return signal of car-mounted terminal can have various, and corresponding detection mode and communication mode can also have It is various, can illustrate in follow-up embodiment.

According to one embodiment of the application, the method is specifically included：The return signal of two-way detection car-mounted terminal, with inspection The car-mounted terminal for measuring is communicated, and collection vehicle is two-way by information, wherein, it is two-way that two-way passing through is included by packet Image and the number plate in front and back for identifying；According to the return signal and default charging policy of the car-mounted terminal to the vehicle-mounted end End charge；According to two-way the record by information and charge the vehicle is verified and checked.It is vehicle-mounted in two-way detection While the return signal of terminal, can also pass through to install the vehicle image that two-way camera device gathers twocouese, and according to Number plate before and after the bidirectional picture identification vehicle for collecting.Can be according to the image shot with video-corder when vehicle passes through or after passing through With the number plate in front and back for recognizing vehicle and this charge are verified and checked, improved the reliability and convenience of charge.

According to one embodiment of the application, after the return signal of the two-way detection car-mounted terminal, if detection Car-mounted terminal is installed to vehicle, is then communicated with the car-mounted terminal；If being not detected by the return signal of car-mounted terminal, Then record the two-way by image and temporal information of the vehicle.

According to one embodiment of the application, it is described according to it is described it is two-way by information and charge record the vehicle is entered Row checking and inspection, specifically include：Judge whether the number plate in front and back is consistent, and, number plate and the vehicle-mounted end in front and back Hold corresponding license board information whether consistent；If inconsistent, the abnormal information of the vehicle is recorded.Vehicle can so be investigated out The inconsistent situation of number plate, such as vehicle fake-license in front and back, or usurp car-mounted terminal account of other vehicles etc..

According to one embodiment of the application, after the return signal of the two-way detection car-mounted terminal, methods described Also include：The car-mounted terminal is obtained in the position at each moment；It is described according to it is described it is two-way by information and charge record to institute State vehicle to be verified and checked, also include：Two-way determine the vehicle in the position at each moment by image according to described；Will The position of the car-mounted terminal carries out time synchronized and matches with the position of the vehicle；This charge is checked according to matching result It is abnormal.Car-mounted terminal can be positioned according to wireless signal, by synchronizing signal determine each moment car-mounted terminal position and The position of vehicle, whether the car-mounted terminal being connected to so as to confirm to charge is to shoot with video-corder by the car-mounted terminal in vehicle.Tool The matching process of body will be illustrated in follow-up specific embodiment.

According to one embodiment of the application, when toll collection lanes are multilane, the returning according to the car-mounted terminal Letter in reply number and default charging policy are charged to the car-mounted terminal, are further included：It is same that the different tracks of comparison receive The intensity of the return signal of car-mounted terminal；The track for selecting car-mounted terminal return signal most strong is charged by the car-mounted terminal.

According to one embodiment of the application, two-way panoramic picture, the car plate also passed through including vehicle by information Photo, license plate recognition result, travel direction and place track.Can be sentenced according to panoramic picture, travel direction and place track etc. The driving trace of disconnected vehicle, checks the exception of the vehicle by behavior, for example drive in the wrong direction, move backward etc..

Embodiments herein by return signal from two-way detection to the close car-mounted terminal of toll road section, with peace The car-mounted terminal automated transaction being mounted on vehicle, and according to collect it is two-way by information to charge transaction verify, carry The accuracy and reliability of high non-parking charge transaction, can be with the different of the inspection vehicle after by charge detection zone or transaction Often.

Based on same inventive concept, the embodiment of the present application additionally provides a kind of two-way lane and freely flows E-payment system, Can be used for realizing the method described by above-described embodiment, as described in the following examples.Because two-way lane freely flows electronics It is similar that the principle of Fare Collection System solve problem and two-way lane freely flow electronic toll method, therefore two-way lane freely flows electronics The enforcement of Fare Collection System may refer to the enforcement that two-way lane freely flows electronic toll method, repeats part and repeats no more.Below Used, term " unit " or " module " can realize the software of predetermined function and/or the combination of hardware.Although following real Apply the system described by example preferably to realize with software, but hardware, or the realization of the combination of software and hardware be also can Can and be contemplated.

The charge checking system freely flowed to two-way lane of the embodiment of the application one includes：Two-way charging module 110, uses In the signal that two-way acquisition car-mounted terminal is returned, communicate with the car-mounted terminal for detecting, and according to the return of the car-mounted terminal Signal and default charging policy are charged to the car-mounted terminal.

According to one embodiment of the application, the car-mounted terminal includes working in the DSRC of 5.8GHz frequency ranges (Dedicated Short Range Communications, DSRC) vehicle carried electronic label is worked in RFID (Radio Frequency Identification, the RF identification) electronic tag of 900MHz frequency ranges；The system is also Including wireless communication module, for carrying out radio communication with the car-mounted terminal.

Fig. 2 is the structural representation of the charge checking system freely flowed to two-way lane of the embodiment of the application one.This reality The system for applying example can be that the logical block for realizing corresponding function is constituted, or the electronics that operation has corresponding function software sets It is standby.As shown in Fig. 2 according to one embodiment of the application, the system also includes：Video detection module 120, for inspection in real time Measuring car it is two-way by information, wherein, it is two-way by packet include it is two-way by image and identify before and after number plate；Control Module 130, communicates respectively with the video detection module 120 and two-way charging module 110 and is connected, for according to the two-way Cross information and charge record is verified and checked to the vehicle.

In being embodied as, the system can be divided into roadside device 100 and the two parts of lane control computer 200, trackside Two-way charging module 110, video detection module 120 and control module 130 are set in equipment 100.Two-way charging module 110 is completed After transaction, by sending to lane control computer 200 after the information of car-mounted terminal and Transaction Details finish message record guarantor is carried out Deposit, to be uploaded to backstage central management system and be easy to the later stage to inquire about.

According to one embodiment of the application, roadside device also includes the wireless location being connected with control module communication Module 140, for detecting the signal of car-mounted terminal, and positions according to the signal to the car-mounted terminal；The control Whether unanimously module 130 is additionally operable to the judgement number plate in front and back, and, the number plate car corresponding with the car-mounted terminal in front and back Whether board information is consistent, if inconsistent, records the abnormal information of the vehicle.Wherein, wireless locating module and two-way charging Module, video detection module are two-way setting.

According to one embodiment of the application, the two-way panorama sketch also passed through including vehicle by information of the vehicle Picture, car plate photo, license plate recognition result, travel direction and place track, the video detection module includes area immediately below detection The panorama photorecorder in domain, for obtaining panoramic picture of the vehicle by area of charge, and then obtains vehicle by area of charge Whole tracks.

This device passes through the two-way by information of the vehicle of detection toll road section traveling, with the car on vehicle Mounted terminal automated transaction, and according to collect it is two-way by information to charge transaction verify, improve non-parking charge hand over Easy accuracy and reliability, can with by charge detection zone when or by rear inspection vehicle or the exception of transaction.

In a specific embodiment, the system can include roadside device and lane control computer；

The roadside device includes：

Wireless locating module, the signal for two-way detection car-mounted terminal is simultaneously positioned to it；

Charge transaction modules, for two-way reception signal, communicate with car-mounted terminal, complete charge transaction；

Video detection module, for two-way detection vehicle position information, tracks vehicle driving trace, and recognizes before and after vehicle Number plate；

Control module, car-mounted terminal positional information and the video detection module for wireless locating module to be positioned is detected Vehicle position information carry out real time position matching, while carrying out corresponding Row control.

The lane control computer, for receiving the information of roadside device and being processed accordingly and record.

Wherein, roadside device may be mounted on the door frame above area of charge track, and lane control computer can pacify Being mounted in trackside can also be arranged on door frame.

The video detection module, can be by the way of the mesh of a machine three (i.e. three cameras), i.e., immediately below one detection The panoramic camera in region and two sides fill video camera, realize immediately below door frame and both sides of the road direction running vehicle is in toll zone The track following in domain, exact position are calculated and car plate captures identification.

The video detection module, further can capture road both direction traveling using two high speed high definition photography cameras Vehicle image, and recognize number plate of vehicle.

The video detection module, its video camera can be separate installment, it is also possible to being made of one equipment, detect door The information of vehicles of frame both sides both direction.

The wireless locating module and charge transaction modules, its antenna radiator can be separate installment, it is also possible to do Integralization equipment, detects the car-mounted terminal signal of door frame both sides both direction.

The control module, the car-mounted terminal positional information for further providing wireless locating module and video detection module The vehicle position information of detection carries out real time position matching：

If at one or more moment, the car-mounted terminal position that wireless locating module is detected is located at video detection mould In the vehicle's contour that block is detected, and the normal car-mounted terminal of car-mounted terminal transaction, then it is assumed that vehicle toll is accurately completed；

If at one or more moment, the car-mounted terminal position that wireless locating module is detected is located at video detection mould In the vehicle's contour that block is detected, but the car-mounted terminal fails to complete transaction, then it is assumed that vehicle fails correctly to install car-mounted terminal, Or transaction is not correctly completed；

If at one or more moment, video detection module has detected vehicle and has passed through detection zone of charging, but nothing Line locating module is not detected by car-mounted terminal, then it is assumed that vehicle does not install car-mounted terminal, or the car-mounted terminal that the vehicle is installed Communication failure.

The information that the control module can also be arrived by Determination judges vehicle heading, and control module will wirelessly determine The vehicle heading that the vehicle heading that position module is obtained is recognized with panoramic shooting is compared, and determines whether same car .

For the vehicle of normally travel, the video detection module of positive (sail towards vehicle and come direction) first detects vehicle and sails Enter detection zone, detect vehicle after the video detection module that dorsad (sails out of direction towards vehicle) and sail out of detection zone；For inverse Row and move backward vehicle, dorsad video detection module first detect vehicle and enter detection zone, after positive video detection module examine Measure vehicle and sail out of detection zone.

For normally travel and the vehicle of normal mounting vehicle carried electronic label, in positive video detection module vehicle is detected When sailing into, wireless locating module also detects that the signal of electronic tag and it is positioned that transaction modules are handed over electronic tag Easily communication.When vehicle cross door frame lower section when, due to due to directional aerial, the electronic tag on front windshield no longer with the back of the body To wireless locating module communication, when dorsad video detection module detects vehicle and sails out of, wireless locating module and charge transaction Module can't detect the information of vehicle carried electronic label.

For retrograde vehicle, dorsad video detection module and wireless locating module are first it is detected that information of vehicles and electronics Label position information, when vehicle sails out of door frame, car plate after positive video detection module detection vehicle, positive wireless locating module Can not receive the information of vehicle carried electronic label.

For reversing vehicle, dorsad video detection module first detect vehicle position information and rear car plate, when vehicle is sailed From door frame when, car plate before positive video detection module detection vehicle, positive wireless locating module receives the letter of vehicle carried electronic label Breath, is positioned and is concluded the business.

For the vehicle for installing vehicle carried electronic label, control module is according to positive and dorsad video detection module, charge The testing result output timing of transaction modules and wireless locating module, judges that vehicle is normally travel, drives in the wrong direction or moves backward.

In a specific embodiment, video detection module further adopts three mesh integral type camera devices, i.e., one court The panoramic camera and two back-to-back video cameras of underface, the travel direction and vehicle of real-time detection vehicle is in track Exact position, there is provided to control module.

In one embodiment, video detection module further adopts two back-to-back video cameras, real-time detection vehicle The exact position of travel direction and vehicle in track, there is provided to control module.

In one embodiment, the control module is further used for when row information comparison and verification process is entered, to transaction The number plate of vehicle that number-plate number information in information is recognized with video detection module is verified, if the license plate number in Transaction Information Code information is consistent with the number plate of vehicle of video identification, then confirm that vehicle correctly installs car-mounted terminal；Otherwise, if in Transaction Information Number-plate number information is inconsistent with the number plate of vehicle of identification, then judge that vehicle fails correctly to install car-mounted terminal, or car plate is known Do not malfunction.

In one embodiment, without wireless locating module in the antenna of roadside device, video detection module is not also to vehicle Driving trace tracking is carried out, car plate before and after it is only detected, control module is missed the stop by comparing the vehicle that video detection module is provided Car plate in the Transaction Information that picture, the car plate for identifying and transaction modules are provided compares to judge whether vehicle normally completes receipts Take and remain the image that misses the stop.

For the license board information for identifying, the transaction record that control module is inquired about in 10 seconds before and after recognition time, if License board information in transaction record is identical with the car plate for identifying and concludes the business successfully, then it is assumed that vehicle toll is normal；If handing over License board information easily in record is identical with the car plate for identifying but concludes the business and does not complete, then the record paid arrears as needs, there is provided give Lane control computer；If the transaction record without corresponding car plate, license board information and the photo captured are checked as needs The information looked into is sent to lane control computer.

For normally travel and the vehicle of normal mounting vehicle carried electronic label, positive transaction modules are handed over electronic tag Easily communication.For retrograde vehicle, dorsad transaction modules are traded with electronic tag and communicate.It is positive for the vehicle of reversing Transaction modules are traded with electronic tag and communicate.

For the vehicle for installing vehicle carried electronic label, control module is according to the positive car plate with video detection module dorsad Candid photograph time, and the position of transaction modules, judge that vehicle is normally travel, drive in the wrong direction or move backward.

For congestion scene, antenna transaction modules after the vehicle carried electronic label closing the transaction with a certain car, during setting It is interior receive the vehicle again return information when, with its do not occur charge transaction.

Specific embodiment is illustrated below illustrative to the scheme of the application.

The application scenarios of the present invention are introduced first, and Fig. 3 is the side view and top view of bicycle road toll bar frame device layout. As shown in figure 3, video detection module (video camera) is erected at the position of track top portal frame center with trackside antenna RSU, it is high Spend for 6 meters to 7 meters.Lane width is 3.75 meters, and the antenna communication region transverse width shown in Fig. 3 is 4 meters to 5 meters or so, is indulged To 11 meters of length.Video detection module field range transverse width covers whole road surface, and unidirectional longitudinal detection range is arrived for 1 meter 15 meters.It is 5 meters to 8 meters or so that license plate image captures identification region.Video detection module is made up of two reciprocal video cameras, Trackside antenna is made up of two contrary radiators, and the detection zone of both direction is symmetrical.Vehicle no matter from road which Charge equipment place door frame is crossed in individual direction, and the equipment on door frame towards vehicle begins to work, when vehicle sails out of detection zone When, video camera can also capture after car plate.

When charging section has a plurality of track, the layout of equipment and the side view of working region and top view are as shown in Figure 4. Fig. 4 is the 3+1 tracks of standard, hits exactly to install above every track and captures and traction equipment.The working region of equipment and phase in Fig. 3 Together, Main Differences are：The horizontal detection zone of video camera and trackside antenna is 5 meters, more than single lane width, adjacent two The antenna in track and the horizontal detection zone of video camera have overlay region, when vehicle rides line traveling or and road row in detection zone When sailing, antenna and video camera can carry out the switching of testing equipment, the complete travel route of registration of vehicle for vehicle location.

The wireless locating module of the roadside device in the present embodiment, can be positioned using multibeam antenna or phased array antenna Principle, antenna radiator calculates the position that car-mounted terminal is located according to the wireless signal for receiving car-mounted terminal return.Charge is handed over Easily module obtains payment information and is handed down to car-mounted terminal after the relevant information for receiving car-mounted terminal with track compunication And complete charge transaction.Wireless locating module and charge transaction modules can be that the separate type formula that can also become one is arranged on Antenna radiator front end.The back-to-back antenna radiator of a pair of the lane configurations of roadside device every of the present invention, detects respectively The driving vehicle of both direction on road, equipment as shown in Figure 5 is installed and detection zone side view.Two of same track lean against The radiator of the back of the body can be designed as separate type, in such as Fig. 6 shown in (a), it is also possible to be designed as integral type, in order to installation calibrating, As shown in (b) in Fig. 6.

Shown in detection zone side view such as Fig. 7 (a) and Fig. 7 (b) of video detection video camera in the present embodiment.

Video detection module can be two video cameras installed back-to-back, and camera lens detect respectively two phase negative sides To road vehicles, in such as Fig. 7 (a) and Fig. 8 shown in (a)；Middle a panorama wide-angle overlooked downwards can also be added to take the photograph Camera, three video cameras can be tracked to the complete driving trace that crosses vehicle and record and recognize car plate before and after its, such as In Fig. 7 (b) and Fig. 8 shown in (b).The video camera of video detection module can be detached unit, it is also possible to which Integrated design is one The form of body, is easily installed, the binocular camera of integration and the composition example of three lens cameras respectively such as (c) in Fig. 8 and Shown in (d).

The present embodiment is mainly including the advantage of following several respects：

(1) two direction of traffics of detection zone are respectively mounted testing equipment, vehicle and car that system is detected to testing equipment Mounted terminal information carries out integration matching, can obtain complete driving trace of the vehicle in detection zone, compared with unidirectional detecting system, On the one hand reversing and retrograde information of vehicles can be detected, on the other hand, it is possible to achieve the candid photograph identification of car plate before and after vehicle, is carried The accuracy of high Car license recognition, and the inconsistent vehicle of car plate before and after recognizing.

(2) Cleaning Principle of video detection module is, using high frame per second high-definition camera, the vehicle in monitored area to be entered Row real time position is tracked, and calculates vehicle driving trace, and automatic identification license board information.Wherein, the video camera of binocular back-to-back type Scheme, when vehicle is below the door frame installed through video camera, has certain check frequency, it is contemplated that it is used that vehicle is travelled Property, the driving trace that can be calculated by vehicle before and after door frame by location matches is fitted.The back of the body of three lens cameras, i.e., two Backrest camera lens adds the full shot installed immediately below, and tracking that can be complete to the route or travel by vehicle of detection zone is known Not.Both schemes can recognize the information of before and after car plate.

(3) the car-mounted terminal position that the vehicle position information and wireless locating module for detecting video detection module is detected Putting carries out real-time matching, to ensure the reliability and inspection ability of vehicle identification and charge transaction.Vehicle is normal in detection zone When traveling, lane change travel, ride line traveling, reversing, drive in the wrong direction, roadside device can carry out detection knowledge to vehicle and mobile unit Not.

The workflow of the charge checking system freely flowed to two-way lane of one embodiment of the invention is carried out below Explanation：

When sailing into without vehicle, video detection module and charge transaction modules are in running order, transaction modules of charging Periodic wake-up signal signal is issued, waits vehicle to enter.Vehicle is entered after detection zone, roadside device detection vehicle location With car-mounted terminal position and matched, while carry out charge transaction, capture vehicle and miss the stop and picture and recognize license board information.As schemed Shown in 9, specific works step is as follows：

Step 901, car-mounted terminal positioning and electronic charging transaction.

If being fitted without car-mounted terminal on the vehicle of communication zone, antenna does not receive return information；

If being provided with car-mounted terminal on the vehicle of communication zone, car-mounted terminal is waken up, and returns upward signal. The wireless locating module of roadside device is positioned according to the upward signal for receiving to car-mounted terminal, the charge transaction of roadside device Module carries out electronic charging transaction with car-mounted terminal, and transaction results, information of vehicles and car-mounted terminal positional information are issued trackside and set Standby control module.

Step 902, video detection and vehicle location.

When vehicle enters visual field (detection zone) of video detection module, video detection module gathers regarding for the vehicle that misses the stop Frequency and image information, by frame differential method and/or contour detecting algorithm vehicle location, and real-time tracking vehicle position are quickly recognized Put, calculate its passage rate, when vehicle is located at captures identification region, start video capture, the vehicle image of candid photograph is carried out again Further car plate detection and identification.Vehicle position information is supplied to roadside device by video detection module with 10 milliseconds of interval Control module processed.

Step 903, vehicle location real-time matching.

The synchronizing signal of real time position matching is sent to video detection module and wireless locating module by control module.Video The vehicle position information for detecting is issued control module, wireless location by detection module with the frequency of 100Hz (10 ms interval) Control module is issued in the position of car-mounted terminal by module with the frequency of 200Hz (5 ms interval).The control module of roadside device will The vehicle position information and car-mounted terminal positional information for receiving is compared and is matched.The matching moment with video detection module and Wireless locating module operating frequency it is slower for node.Matching judgment criterion is as follows：

On the time point for being matched, if the car-mounted terminal position that wireless locating module is provided is located at video detection module In the vehicle's contour for detecting, and car-mounted terminal is the normal car-mounted terminal of transaction, then confirm that vehicle correctly installs car-mounted terminal；

If the car-mounted terminal position that wireless locating module is provided is in the vehicle's contour that video detection module is detected, But car-mounted terminal is the abnormal car-mounted terminal of transaction, then confirm that vehicle fails correctly to install car-mounted terminal, or transaction is broken down；

If video detection module has detected vehicle and has been not detected by into charge station's communication zone, but wireless locating module Car-mounted terminal, then it is assumed that vehicle does not install car-mounted terminal, or the car-mounted terminal communication failure that the vehicle is installed.

Video detection module and wireless locating module are according to the data such as the position of vehicle and travel direction, automatic decision vehicle Normally travel, reverse driving is still moveed backward.

Step 904, back-end data process.

Position matching result in step 903 is passed to lane control computer by the control module of roadside device, after carrying out It is continuous to process.

The information that lane control computer is provided according to control module, judges whether this transaction normally completes, and records Transaction Information, vehicle pictures, license plate recognition result.For the abnormal vehicle of transaction, fail correctly to install the vehicle of car-mounted terminal, not Situations such as installing the vehicle of car-mounted terminal, abnormal transaction record is uploaded to backstage by lane control computer, is entered by auditing system Row respective handling.

The charge checking system freely flowed to two-way lane of the embodiment of the present invention is set forth below in different application scene It is embodied as, to illustrate the application scenarios and specific works details of the present invention.

Embodiment 1：The multilane free-flow electronic toll collection system of ETC terminal locations matching

(1) system configuration：In the present embodiment, detection zone of charging is the 3+1 tracks of standard, as shown in figure 4, every track Center a set of bidirectional radiation device is installed, comprising wireless locating module and charge transaction modules, and 1 set two-way video detection mould Block.One control module of each two-way charging sectional configurations, control module is that antenna radiator and video detection module are provided together Step signal simultaneously collects detection information.The wireless locating module of track both direction and charge transaction modules become one formula, such as In Fig. 6 shown in (b).Video detection module is three mesh integral types, in such as Fig. 8 shown in (d).Car-mounted terminal is existing to meet China The vehicle carried electronic label (OBU, On board Unit) of ETC technical standards, working frequency range is 5.8GHz, and electronic tag is battery Power supply or vehicle-mounted operated type, installed in vehicle front windshield inner side, write the car plate letter of institute's installation vehicle in electronic tag Breath, and the information such as the equipment term of validity.The antenna of roadside device is the ETC antennas for working in 5.8GHz, trackside antenna with it is vehicle-mounted When electronic tag is concluded the business, the license board information write in vehicle carried electronic label is can read.Mode of doing business can be front end charge, i.e. road Side apparatus directly read the IC card information in vehicle carried electronic label and toll amount are deducted from card；Can also be backstage charge, I.e. roadside device records vehicle carried electronic label information, and the bank account for binding the electronic tag by backstage is withholdd.

(2) communication interface：The data of wireless locating module, charge transaction modules and video detection module are supplied to control mould The track data of collection are issued track computer by block, control module, and high speed serialization is passed through between control module and other modules Data-interface (such as RS485 serial line interfaces) or high speed network interfaces communicate, and data transfer delay is not more than 2ms, to ensure The real-time of matching.

(3) operation principle：Wireless locating module and charge transaction modules are integrated in back-to-back bidirectional radiation device, due to ETC electronic tags and trackside antenna are the radiator on directional aerial, therefore door frame only towards vehicle and can detect DSRC Signal.If vehicle crosses door frame, antenna dorsad will can not receive the vehicle carried electronic label information for sailing out of vehicle.Typically ETC exchange hours are about 200ms～270ms.ETC transaction has 5～8 DSRC signals, per data frame when it is a length of No more than 2ms.The wireless locating module of roadside device is according to the up DSRC signal of change vehicle carried electronic label for receiving every time Position.Therefore, when vehicle passes through area of charge, wireless locating module can provide the positional information of 5～8 car-mounted terminals, often The process time of secondary calculating position is within 5ms.The synchronizing signal that wireless locating module is provided according to control module, per 5ms to Control module provides the positional information of one group of vehicle carried electronic label, and every group of positional information includes the position of 0-5 electronic tag, i.e., The wireless locating module of roadside device once can most 5 vehicles vehicle carried electronic label return information.The positional information bag Include but be not limited to：Synchronizing signal sequence number, electronic tag sequence number, corresponding positional information.The transaction modules of roadside device and one After the vehicle carried electronic label closing the transaction of car, Transaction Information is sent to into control module, Transaction Information is included but is not limited to：Hand over The license board information for easily writing in time, electronic tag sequence number, dealing money, electronic tag.

If vehicle rides line traveling, the trackside antenna in two neighboring track all receives the upward signal of vehicle carried electronic label, The signal strength signal intensity of the vehicle carried electronic label for then being detected according to the radiator in different tracks by control module, automatically selects a car Road antenna is traded with the electronic tag.Now, if the wireless locating module in adjacent two tracks is detected simultaneously by the electricity Subtab, then compared by control module to its positional information and electronic tag sequence number, removes the positional information of repetition.Such as Fruit vehicle doubling, the then positional information and signal of the vehicle carried electronic label that control module is arrived according to adjacent two track antenna detections Strength information, respectively the stronger antenna of control signal and electronic tag carry out communication transaction, realize antenna and vehicle place track Automatic switchover.

Video detection module is three lens cameras, and the video camera of both sides detects respectively the positional information of both sides vehicle, and Capture identification license board information in suitable position.Vehicle near immediately below middle shooting machine testing door frame, with both sides video camera The vehicle location for detecting carries out slitless connection, so as to carry out two-way detecting and tracking to the vehicle for crossing detection zone.Both sides Video camera selects suitable position to carry out car plate candid photograph and identification, such as apart from 8 meters or so of the vertical point of door frame.When vehicle enters both sides During the detection zone of video camera, about 5 meters of width, fore-and-aft distance is that the vertical point of door frame is first 1 meter to 15 meters, shown in such as Fig. 7 (b).Three The operating frequency of video camera is 100Hz, i.e. 10ms exports the positional information of one group of vehicle, per group of position comprising 0-5 car Information, the positional information is included but is not limited to：Synchronizing signal sequence number, vehicle position information (such as the profile coordinate after left front, right, Center point coordinate etc.), vehicle sequence number (represents which car that the video camera is detected, examines again in vehicle travel process afterwards Vehicle sequence number is constant when measuring the positional information of the vehicle).The real time position detection of vehicle adopts technique of image edge detection such as The methods such as high fdrequency component extraction, the method obtains vehicle's contour, video by the frequency domain Fast Fourier Transform (FFT) to gray level image The wide coordinate position of the left front and off hind wheel of vehicle as the positional information of vehicle, is issued control module by detection module.Vehicle Driving trace and speed can be by carrying out Kalman filtering to image or frame-to-frame differences method of grading is realized.Due to vehicle location Detection needs real-time output information, and Car license recognition can be processed afterwards, thus the identification and vehicle location detection of car plate be by The different processor of video detection module is processed.Video detection module records the positional information of same vehicle and ad-hoc location The capture pictures of car plate capture pictures, the car plate for identifying and the sequence number vehicle are sent to control as a Car license recognition information Molding block.

The video camera of embodiment of the present invention both sides can detect the car plate in front and back of same car.Identification to same car is logical The location matches realization of three video cameras is crossed, when vehicle sails the both sides video camera check frequency to below door frame into from side, By the middle driving path for imaging the machine testing vehicle, shown in such as Fig. 7 (b), due to the detection zone of middle wide angle cameras Domain has overlap with the detection zone of both sides video camera, therefore, in overlapping region, the video camera and panorama wide angle cameras of either side Same car can be detected in synchronization same position, the car for being detected in two, same track video camera by control module Positional information is matched, if two video cameras of synchronization detect the vehicle of same position, control module should The vehicle sequence number of the two vehicle position informations be set to it is identical, so can by a car from before door frame at 15 meters to sailing out of door frame 15 Driving trace information and speed etc. at rice is calculated, no matter normal vehicle operation, ride line, reversing, doubling or drive in the wrong direction, The positional information of recognizable vehicle and in front and back license board information.

Knowable to the said equipment operation principle, the foundation that predominantly detects of the present invention is that synchronization same position has been only possible to One car and the electronic tag on vehicle.Control module is to video detection module, transaction modules and position detecting module Synchronizing signal is sent, the information of each detection module is received and is matched and compared.

(4) working-flow

When sailing into without vehicle, video detection module and charge transaction modules are in running order, transaction modules of charging Issue periodic wake-up signal (beacon service table, Beacon Service Table, abbreviation BST) signal.Vehicle enters inspection After surveying region, roadside device starts to detect vehicle location and be traded with vehicle carried electronic label.Step is as follows：

Step 1, car-mounted terminal positioning and electronic charging transaction

If being fitted without vehicle carried electronic label on the vehicle of communication zone, antenna does not receive return information；

If being provided with vehicle carried electronic label on the vehicle of communication zone, vehicle carried electronic label is waken up, and returns Upward signal.Wireless locating module is positioned according to the upward signal for receiving to vehicle carried electronic label, the charge of roadside device Transaction modules carry out electronic charging transaction with vehicle carried electronic label, and, by Transaction Information, wireless locating module will for charge transaction modules Vehicle carried electronic label positional information issues the control module of roadside device.Wherein location information is sent with the interval of 5ms, transaction letter Breath is typically sent to control module in closing the transaction or termination.

Step 2, video detection and vehicle location

When vehicle enters the detection zone of video detection module, video detection module gathers the video and figure of the vehicle that misses the stop As information, vehicle location, and real-time tracking vehicle location are quickly recognized by contour detecting algorithm, calculate its passage rate, when Vehicle is located at when capturing identification region, starts video capture, and the vehicle image of candid photograph carries out again further car plate detection and knowledge Not.Vehicle position information is supplied to control module by video detection module with the interval of 10ms.Control module is according to same car Trace information, judge license board information before and after its, if in front and back license board information is consistent, only preserve one group of license board information, otherwise one Two license board informations of storage in the positional information of car (possibly deck, it is also possible to Car license recognition mistake), as needing to check The vehicle looked into carries out subsequent treatment.

Step 3, vehicle location real-time matching

The synchronizing signal of real time position matching is sent to video detection module and wireless locating module by control module.Matching Frequency is 10ms, and matching judgment criterion is as follows：

If at least in 1 match time point, the vehicle carried electronic label position that wireless locating module is provided is examined positioned at video Survey in the vehicle's contour that detects of module, i.e., the coordinate (x1, y1) of vehicle carried electronic label vehicle's contour coordinate (xn, yn, xm, Ym in) (xn≤x1≤xm, yn≤y1≤xm), and vehicle carried electronic label transaction is normal, then confirm that vehicle correctly installs vehicle mounted electric Subtab；

If at least in 1 match time point, the vehicle carried electronic label position that wireless locating module is provided is examined positioned at video Survey in the vehicle's contour that module is detected, but vehicle carried electronic label transaction is abnormal, then confirm that vehicle fails correctly to install vehicle mounted electric Subtab, or transaction break down；

Control module, can also be to the number-plate number information in Transaction Information and video detection mould after in position, the match is successful The vehicle number of block identification is verified, if the number-plate number information in Transaction Information is consistent with the number plate of vehicle of video identification, Then confirm that vehicle correctly installs car-mounted terminal；Otherwise, if the number plate of vehicle of number-plate number information in Transaction Information and identification not Unanimously, then judge that vehicle fails correctly to install car-mounted terminal, or Car license recognition error.

If video detection module has detected vehicle and has been not detected by into charge station's communication zone, but wireless locating module Vehicle carried electronic label, then it is assumed that vehicle does not install vehicle carried electronic label, or the vehicle carried electronic label communication event that the vehicle is installed Barrier.

For normally travel and the vehicle of normal mounting vehicle carried electronic label, in positive video detection module vehicle is detected When sailing into, wireless locating module also detects that the signal of electronic tag and it is positioned that transaction modules are handed over electronic tag Easily communication.When vehicle sails out of door frame, due to due to directional aerial, electronic tag on front windshield no longer with dorsad Wireless locating module communicates, when dorsad video detection module detects vehicle and sails out of, wireless locating module and charge transaction modules Can't detect the information of vehicle carried electronic label.

For congestion scene, the transaction modules of roadside device after the vehicle carried electronic label closing the transaction with a certain car, When receiving the return information of the vehicle again within setting time (such as 5 minutes), there is no charge transaction with it.For seriously gathering around Stifled scene, wireless locating module and video detection module detect vehicle carried electronic label and the speed of vehicle is less than setting value When (such as 5 kilometers/hour), even more than setting time, transaction modules also do not repeat with the vehicle carried electronic label concluded the business Transaction.

Step 4, data processing

Position matching result in step 3 is sent to lane control computer by control module, carries out subsequent treatment.

Embodiment 2：The multilane free-flow electronic toll collection system of vehicle electron identifying location matches

(1) system configuration：In the present embodiment, detection zone of charging is the 3+1 tracks of standard, as shown in figure 4, every track Center a set of bidirectional radiation device is installed, comprising wireless locating module and charge transaction modules, and 1 set two-way video detection mould Block.One control module of each two-way charging sectional configurations, control module is that antenna radiator and video detection module are provided together Step signal simultaneously collects detection information.The wireless locating module and charge transaction modules of track both direction is split type, in such as Fig. 6 Shown in (a).Video detection module is two camera lens separate types, in such as Fig. 8 shown in (a).Car-mounted terminal is to meet China's RFID technique Standard GB/T/T 29768-2013《Information technology RF identification 800-900MHz air interface protocol》Passive electronic mark Sign, working frequency range is 800/900MHz, write the license board information of institute installation vehicle in electronic tag, and the letter such as the equipment term of validity Breath.The antenna of roadside device is the reading and writing device antenna for working in 800/900MHz frequency ranges, can read in vehicle carried electronic label and writes License board information.Charging mode is backstage charge, i.e. trackside read write line recorded electronic label information, and by backstage the electronics is bound The bank account of label is withholdd.

(2) communication interface：The data of wireless locating module, charge transaction modules and video detection module are supplied to control mould Track gathered data is issued track computer by block, control module, and high speed serialization number is passed through between control module and other modules Communicate according to interface (such as RS485 serial line interfaces) or high speed network interfaces, data transfer delay is not more than 2ms, with guarantee The real-time matched somebody with somebody.

(3) operation principle

Wireless locating module and charge transaction modules are integrated in back-to-back bidirectional radiation device, because electronic tag is installed On the inside of vehicle front windshield, trackside read write line is that the read write line on directional aerial, therefore door frame can only be detected towards vehicle Return signal.If vehicle crosses door frame, antenna dorsad will can not receive the electronic labeling information for sailing out of vehicle.Work as vehicle During by detection zone, the wireless locating module of trackside read write line calculates electronic tag according to the up RFID signal for receiving every time Position.The synchronizing signal that wireless locating module is provided according to control module, one group of electronics mark is provided per 20ms to control module The positional information of label, position of the every group of positional information comprising 0-5 electronic tag, the i.e. wireless locating module of roadside device are once Can most 5 vehicles electronic tag return information.The positional information is included but is not limited to：Synchronizing signal sequence number, electronics mark Sign sequence number, corresponding positional information.After the vehicle carried electronic label closing the transaction of the transaction modules of roadside device and a car, will Transaction Information is sent to control module, and Transaction Information is included but is not limited to：Exchange hour, electronic tag sequence number, electronic tag The license board information of middle write.

If vehicle rides line traveling, the trackside read write line in two neighboring track all receives the upward signal of electronic tag, then The signal strength signal intensity of the vehicle carried electronic label detected according to the read write line in different tracks by control module, automatically selects a track Antenna is traded with the electronic tag.Now, if the wireless locating module in adjacent two tracks is detected simultaneously by the electronics Label, then compared by control module to its positional information and electronic tag sequence number, removes the positional information of repetition.If Vehicle doubling, then the positional information and signal of the vehicle carried electronic label that control module is arrived according to adjacent two track antenna detections is strong Degree information, the stronger antenna of control signal and electronic tag carry out communication transaction, realize read write line and vehicle place track from Dynamic switching.

Video detection module is two back-to-back Separated cameras, and the position letter of door frame both sides vehicle is detected respectively Breath, and identification license board information is captured in place.The video camera of both sides selects suitable position to carry out car plate candid photograph and knowledge Not, such as apart from 8 meters or so of the vertical point of door frame.When vehicle enter both sides video camera detection zone when, about 5 meters of width, longitudinal direction away from From hanging down for door frame, point is first 1 meter to 15 meters, and such as Fig. 7 (a) is shown.The operating frequency of video camera is 100Hz, i.e. 10ms exports one group The positional information of vehicle, per group of positional information comprising 0-5 car, positional information is included but is not limited to：Synchronizing signal sequence number, Vehicle position information (such as the profile coordinate after left front, right, center point coordinate etc.), vehicle sequence number (represent that the video camera is detected Which car, vehicle sequence number is constant when detecting the positional information of the vehicle in vehicle travel process again afterwards).Vehicle Real time position Cleaning Principle is same as Example 1.

The video camera of embodiment of the present invention both sides can detect the car plate in front and back of same car.Identification to same car is logical The location matches realization of two video cameras is crossed, when vehicle sails the both sides video camera check frequency to below door frame into from side, Front Car license recognition video camera calculates the vehicle location and speed for obtaining, and position when estimating that vehicle crosses door frame lower section and occurs in Time of car plate candid camera detection zone afterwards, general vehicle length more than 4 meters, therefore generally to vehicle location Estimation is feasible.The vehicle position information that two, same track video camera is detected is matched by control module, and The vehicle sequence number of matching is set to it is identical, so can by a car from before door frame at 15 meters to the traveling rail sailed out of at 15 meters of door frame Mark information and speed etc. are calculated, no matter normal vehicle operation, ride line, reversing, doubling or drive in the wrong direction, can recognize that vehicle Positional information and in front and back license board information.

Knowable to the said equipment operation principle, the foundation that predominantly detects of the present embodiment is that synchronization same position is only possible to There are a car and the electronic tag on vehicle.Mould is detected in control module to video detection module, transaction modules and position Block sends synchronizing signal, receives the information of each detection module and is matched and compared.

(4) working-flow

When sailing into without vehicle, video detection module and charge transaction modules are in running order, transaction modules of charging Issue periodic read-write.Vehicle is entered after detection zone, and roadside device detects vehicle location and and vehicle carried electronic label It is traded.Step is as follows：

Step 1, car-mounted terminal positioning and electronic charging transaction

If being fitted without electronic tag on the vehicle of communication zone, antenna does not receive return information；

If being provided with electronic tag on the vehicle of communication zone, electronic tag returns upward signal.It is wireless fixed Position module is positioned according to the upward signal for receiving to vehicle carried electronic label, the charge transaction modules of roadside device and vehicle mounted electric Subtab carries out electronic charging transaction, and by Transaction Information, wireless locating module is by vehicle carried electronic label position for charge transaction modules Information issues the control module of roadside device.Wherein location information is sent with the interval of 20ms, and Transaction Information is typically in transaction knot Control module is sent to when beam or abnormal end.

Step 2, video detection and vehicle location

When vehicle enters the detection zone of video detection module, video detection module gathers the video and figure of the vehicle that misses the stop As information, vehicle location, and real-time tracking vehicle location are quickly recognized by contour detecting algorithm, calculate its passage rate, when Vehicle is located at when capturing identification region, starts video capture, and the vehicle image of candid photograph carries out again car plate detection and identification.Video is examined Survey module and vehicle position information is supplied to into control module with the interval of 10ms.Track letter of the control module according to same car Breath, judges license board information before and after it, if in front and back license board information is consistent, only preserves one group of license board information, the otherwise position of a car Two license board informations of storage in confidence breath (possibly deck, it is also possible to Car license recognition mistake), as the vehicle for needing inspection Carry out subsequent treatment.

Step 3, vehicle location real-time matching

The synchronizing signal of real time position matching is sent to video detection module and wireless locating module by control module.Matching Frequency is 20ms, and matching judgment criterion is as follows：

For reversing vehicle, dorsad video detection module first detect vehicle position information and rear car plate, when vehicle is sailed When below door frame, car plate before positive video detection module detection vehicle, positive wireless locating module receives vehicle carried electronic label Information, positioned and concluded the business.

For congestion scene, the transaction modules of roadside device after the vehicle carried electronic label closing the transaction with a certain car, When receiving the return information of the vehicle again within setting time (such as 5 minutes), there is no charge transaction with it.For heavy congestion Scene, wireless locating module and video detection module detect vehicle carried electronic label and the speed of vehicle is less than setting value (such as 5 Kilometer/hour) when, even more than setting time, transaction modules also not with the vehicle carried electronic label repeat business concluded the business.

Step 4, back-end data process

Embodiment 3：Based on the multilane free-flow electronic toll collection system that car plate is matched

The present embodiment is with the main distinction of embodiment 1, without wireless locating module in the antenna of roadside device, video inspection Surveying module also to vehicle does not carry out driving trace tracking, only detects car plate before and after its, and the miss the stop verification of information of vehicle is missed the stop Car plate in picture, the car plate and Transaction Information for identifying compares to realize.The timing accuracy of control module is required less than enforcement Example 1 and embodiment 2, such as 50ms.

(1) system configuration：In the present embodiment, detection zone of charging is the 3+1 tracks of standard, as shown in figure 4, every track Center a set of bidirectional radiation device is installed, comprising charge transaction modules, examine without wireless locating module, and 1 set two-way video Survey module.One control module of each two-way charging sectional configurations, control module is that antenna radiator and video detection module are carried For synchronizing signal and collect detection information.The charge transaction modules of track both direction become one formula, (b) institute in Fig. 6 Show.Video detection module is two camera lens separate types, in such as Fig. 8 shown in (a).Car-mounted terminal is to meet the existing ETC technical bids of China Accurate vehicle carried electronic label, working frequency range is 5.8GHz, and electronic tag is powered or vehicle-mounted operated type for battery, installed in vehicle The information such as front windshield inner side, the license board information of write institute installation vehicle in electronic tag, and the equipment term of validity.Trackside sets Standby antenna is the ETC antennas for working in 5.8GHz, when trackside antenna is concluded the business with vehicle carried electronic label, can read vehicle electronics mark The license board information write in label.Mode of doing business can be front end charge, i.e., roadside device is directly read in vehicle carried electronic label IC card information simultaneously deducts toll amount from card；Can also be that backstage charge, i.e. roadside device record vehicle carried electronic label information, The bank account for binding the electronic tag by backstage is withholdd.

(2) communication interface：The data of charge transaction modules and video detection module are supplied to control module, and control module will Track data issue track computer, by high speed data interface (such as RS485 serials between control module and other modules Interface etc.) or high speed network interfaces communication, data transfer delay is not more than 50ms.

(3) operation principle

Charge transaction modules are integrated in back-to-back bidirectional radiation device, because ETC electronic tags and trackside antenna are Radiator on directional aerial, therefore door frame only towards vehicle can detect DSRC signals.If vehicle crosses door frame, carry on the back To antenna will can not receive the vehicle carried electronic label information for sailing out of vehicle.The vehicle mounted electric of the transaction modules of roadside device and a car After subtab closing the transaction, Transaction Information is sent to into control module, Transaction Information is included but is not limited to：Exchange hour, electronics The license board information write in label (OBU) sequence number, dealing money, electronic tag.

If vehicle rides line traveling, the trackside antenna in two neighboring track all receives the upward signal of vehicle carried electronic label, The signal strength signal intensity of the vehicle carried electronic label for then being detected according to the radiator in different tracks by control module, automatically selects a car Road antenna is traded with the electronic tag.If vehicle doubling, control module is arrived according to adjacent two track antenna detections Vehicle carried electronic label positional information and signal strength information, respectively the stronger antenna of control signal led to electronic tag Letter transaction, realizes the automatic switchover of antenna and vehicle place track.

The video detection module of the embodiment of the present invention is two back-to-back Separated cameras, respectively in place Capture identification license board information.The candid photograph information of video detection module output is included but is not limited to：Candid photograph time, license board information, car Miss the stop photo etc..The video camera of both sides can detect the car plate in front and back of same car.

The foundation that predominantly detects of the present embodiment is that the number plate of vehicle to identifying is compared with the number plate in transaction record, Position detection is not carried out to vehicle and vehicle carried electronic label.

(4) working-flow

When sailing into without vehicle, video detection module and charge transaction modules are in running order, transaction modules of charging Issue periodic wake-up signal.Vehicle is entered after detection zone, and system job step is as follows：

Step 1, electronic charging transaction

If being provided with vehicle carried electronic label on the vehicle of communication zone, vehicle carried electronic label is waken up, and returns Upward signal.Charge transaction modules and vehicle carried electronic label carry out electronic charging transaction, charge transaction modules in closing the transaction or Transaction Information is issued the control module of roadside device during person's abnormal end.

Step 2, Car license recognition

When vehicle enters the detection zone of video detection module, video detection module gathers the video and figure of the vehicle that misses the stop As information, when vehicle is located at captures identification region, start video capture, the vehicle image of candid photograph carries out again further car plate Detection and identification.License board information is supplied to control module by video detection module.

Step 3, car plate matching

For the license board information for identifying, 10 seconds before and after the control module inquiry Car license recognition time in transaction record, such as Fruit has the license board information in transaction record identical with the car plate for identifying and concludes the business successfully, then it is assumed that vehicle toll is normal；If There is the license board information in transaction record identical with the car plate for identifying but conclude the business and do not complete, then the record paid arrears as needs is carried Supply track computer；If the transaction record without corresponding car plate, license board information and the photo captured are checked as needs The information looked into is sent to track computer.

For congestion scene, antenna transaction modules after the vehicle carried electronic label closing the transaction with a certain car, during setting Between when receiving the return information of the vehicle again within (such as 5 minutes), there is no charge transaction with it.

Step 4, back-end data process

It should be noted that in the description of the present application, term " first ", " second " etc. are only used for describing purpose, and not It is understood that to indicate or implying relative importance.Additionally, in the description of the present application, unless otherwise stated, the implication of " multiple " It is two or more.

In flow chart or here any process described otherwise above or method description are construed as, expression includes It is one or more for realizing specific logical function or process the step of the module of code of executable instruction, fragment or portion Point, and the scope of the preferred embodiment of the application includes other realization, wherein can not press shown or discussion suitable Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be by the application Embodiment person of ordinary skill in the field understood.

It should be appreciated that each several part of the application can be realized with hardware, software, firmware or combinations thereof.Above-mentioned In embodiment, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage Or firmware is realizing.For example, if realized with hardware, and in another embodiment, can be with well known in the art Any one of row technology or their combination are realizing：With for realizing the logic gates of logic function to data-signal Discrete logic, the special IC with suitable combinational logic gate circuit, programmable gate array (PGA), scene Programmable gate array (FPGA) etc..

Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried Suddenly the hardware that can be by program to instruct correlation is completed, and described program can be stored in a kind of computer-readable storage medium In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the application or example.In this manual, to the schematic representation of above-mentioned term not Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any One or more embodiments or example in combine in an appropriate manner.

Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to the restriction to the application is interpreted as, one of ordinary skill in the art within the scope of application can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims

1. a kind of two-way lane freely flows electronic toll method, it is characterised in that include：

The return signal of two-way detection car-mounted terminal, is communicated with the car-mounted terminal for detecting；

The car-mounted terminal is charged according to the return signal and default charging policy of the car-mounted terminal.

2. method according to claim 1, it is characterised in that also include：

Collection vehicle it is two-way by information, wherein, it is two-way by packet include it is two-way by image and identify before and after number Board；

According to two-way the record by information and charge the vehicle is verified and checked.

3. method according to claim 2, it is characterised in that described two-way to record right by information and charge according to described The vehicle is verified and checked, specifically included：

Judge whether the number plate in front and back is consistent, and, the number plate license board information corresponding with the car-mounted terminal in front and back is It is no consistent；

If inconsistent, the abnormal information of the vehicle is recorded.

4. method according to claim 2, it is characterised in that the two-way detection car-mounted terminal return signal it Afterwards, methods described also includes：The car-mounted terminal is obtained in the position at each moment；

It is described according to two-way the record by information and charge the vehicle to be verified and checked, also include：

Two-way determine the vehicle in the position at each moment by image according to described；

The position of the car-mounted terminal is carried out into time synchronized with the position of the vehicle to match；

The exception of this charge is checked according to matching result.

5. method according to claim 1, it is characterised in that described according to the car when toll collection lanes are multilane The return signal of mounted terminal and default charging policy are charged to the car-mounted terminal, are further included：

The intensity of the return signal of the same car-mounted terminal that the different tracks of comparison receive；

The track for selecting car-mounted terminal return signal most strong is charged by the car-mounted terminal.

6. method according to claim 1, it is characterised in that the two-way panorama also passed through including vehicle by information Image, car plate photo, license plate recognition result, travel direction and place track.

7. a kind of two-way lane freely flows E-payment system, it is characterised in that include：

Two-way charging module, for the signal that two-way acquisition car-mounted terminal is returned, communicates with the car-mounted terminal for detecting, and according to The return signal of the car-mounted terminal and default charging policy are charged to the car-mounted terminal.

8. system according to claim 7, it is characterised in that also include：

Video detection module, for the two-way by information of real-time detection vehicle, wherein, it is two-way that two-way passing through is included by packet Image and the number plate in front and back for identifying；

Control module, communicates be connected respectively, for according to the two-way with the video detection module and two-way charging module Cross information and charge record is verified and checked to the vehicle.

9. system according to claim 8, it is characterised in that also include：

The wireless locating module being connected with control module communication, for detecting the signal of car-mounted terminal, and according to the letter Number the car-mounted terminal is positioned；

The control module is additionally operable to two-way to determine that the vehicle, will be described in the position at each moment by image according to described The position of car-mounted terminal carries out time synchronized and matches with the position of the vehicle, and checks the different of this charge according to matching result Often.

10. system according to claim 7, it is characterised in that the car-mounted terminal include DSRC vehicle carried electronic labels or RFID.

11. systems according to claim 8, it is characterised in that the control module is additionally operable to judge the number plate in front and back It is whether consistent, and, whether the number plate in front and back is consistent with the corresponding license board information of the car-mounted terminal, if inconsistent, remembers Record the abnormal information of the vehicle.

12. systems according to claim 8, it is characterised in that the two-way of the vehicle is also led to by information including vehicle Panoramic picture, car plate photo, license plate recognition result, travel direction and the place track crossed, the video detection module includes inspection The panorama photorecorder in region immediately below surveying, for obtaining the panoramic picture that vehicle passes through.