CN105160888A

CN105160888A - No-parking vehicle weight information collection and matching system and method

Info

Publication number: CN105160888A
Application number: CN201510654882.8A
Authority: CN
Inventors: 潘若愚; 陈军; 褚伟; 宋海波; 梁昌勇; 吴昊; 张公让; 朱克毓; 曹龙涛; 潘立生; 宋志诚; 林朋; 宋常华; 陶庭兴
Original assignee: Anhui Tech-Handgo Co Ltd; Hefei University of Technology
Current assignee: Anhui Tech-Handgo Co Ltd; Hefei University of Technology
Priority date: 2015-10-12
Filing date: 2015-10-12
Publication date: 2015-12-16
Anticipated expiration: 2035-10-12
Also published as: CN105160888B

Abstract

Aiming at defects of an existing measuring technology, the invention provides a no-parking vehicle weight information collection and matching system and method. The system comprises a lane vehicle weight information monitoring module, a tyre identification module, an ultrasonic monitoring module and an information processing module. The method comprises ten steps. The no-parking vehicle weight information collection and matching system and method has the advantages that the hardware environment aiming at multiple lanes is provided, all modules are combined and configured reasonably, and the problems in the prior art that a vehicle needs to be led to an individual lane, the construction amount is large, and the traffic flow speed is low are overcome.

Description

The information acquisition of a kind of not parking vehicle car weight and the system and method mated

Technical field

The invention belongs to field of measuring technique, the vehicle particularly related in communications and transportation monitoring does not stop weighing technology, is specifically related to the information acquisition of a kind of not parking vehicle car weight and the system and method mated.

Background technology

Road vehicle often has overloading in the process of transporting cargo, not only can do great damage to road, and may cause the generation of traffic hazard.In order to avoid overloaded vehicle damages highway, to the monitoring weight device that some special haulage vehicles of special enterprises also can be equipped with car, but not there is versatility; Generally establish the crossing of card to arrange static state or dynamic weigher specially in charge station etc., to weigh detection to vehicle, also mainly in order to carry out charge of weighing, but often needing to carry out parking weighs.Because domestic automobile recoverable amount increases, economic development and electric business increase the promotion to logistics, and the vehicles such as goods increase year by year, and the demand of weighing of not stopping also more and more comes into one's own.

To weigh aspect, the device of weighing that do not stop is coordinated to mainly contain in prior art: infrared ray vehicle separating device, axletree recognizer, dynamic automobile scale etc., vehicle is needed to introduce independent track, great in constructing amount, lane width also can increase or or reduce through lane, simultaneously not too there is concealed feature.To weigh and under unserviced state not stopping, driver has much little to the weight ratio reality making vehicle center move forward and backward to make truck scale weigh up of some fraudulent meanses sometimes.

Technical by camera identification vehicle and license plate number, product is on the market also all very ripe.And at present, vehicle weighing detects the requirement proposing the dynamic weighing that not stop to the vehicle of freely exercising on two-way traffic, and undertaken taking pictures and Car license recognition by camera, both information being merged, producing evidence to punishing overweight vehicle.Owing to weighing and making a video recording often by two kinds of specialized manufacturer production, and weighing-appliance and picture pick-up device are different in the speed of induction information and process information and transmission information, and its corresponding speed may be subject to the interference of network and various circuit.Due to point car signal that axletree recognizer needs employing infrared ray vehicle separating device to provide, the axletree quantity of car load is counted, then the whole number of axle of car load can just be drawn, when but two-way traffic has vehicle to travel simultaneously, the placement of infrared ray vehicle separating device cannot detect two car problem side by side, and existing overall weighbridge formula truck scale cannot solve the unordered problem of weighing of driving a vehicle with position confusion of vehicle, so the scheme of system also imperfect at present solves the measure that two-way traffic freely exercises vehicle weighing detection.

Need for the record of weighing the photo and the license plate number that synchronously provide passing cars, the monitor message of weighing is mated completely, reducing coupling error rate is the index always needing to promote in dynamic weighing field.

For this reason, need to provide a set of to be applicable to and the vehicle detection apparatus of multilane and method, to overcome the information acquisition of existing vehicle car weight can only detect an one-lane difficult problem with the system of mating.

Summary of the invention

For the deficiency of existing measuring technique, a kind of not parking vehicle car weight provided by the invention information acquisition and the system and method mated, the acquisition problems of car weight information of not stopping when can solve unidirectional two-way traffic vehicle driving, and the picture car information of vehicles that gathers of network shooting equipment and the problem of weighing-appliance information matches difficulty, improve the precision of information matches, do not have and match wrong phenomenon appearance data abandoned; And the magnitude of traffic flow uploading every day, overloading ratio that can be simultaneously real-time.

The present invention adopts following technical scheme to achieve the above object of the invention:

The not information acquisition of parking vehicle car weight and a system of mating, comprises track car weight information monitoring module 1000, tire identification module 2000, monitoring ultrasonic module 3000, message processing module 4000;

Track car weight information monitoring module 1000 is connected with monitoring ultrasonic module 3000, message processing module 4000 respectively; Tire identification module 2000, monitoring ultrasonic module 3000 are connected with message processing module 4000 respectively;

Described track car weight information monitoring module 1000 is responsible for by the equipment collection vehicle in unit through out-of-date signal, and to rear class module feedback track car weight information packet; Described track car weight information packet include time information that vehicle enters, wheel of vehicle through time information, each axle weight information, vehicle picture data, vehicle leave signal; Described track car weight information monitoring module 1000 comprises the lane information monitoring means of more than 2;

Tire identification module 2000 is responsible for gathering wheel through moment and wheel position information;

Whether the start/stop time that monitoring ultrasonic module 3000 is responsible for determining that single unit vehicle enters and this vehicle have across lanes behavior;

Message processing module 4000 is responsible for the data of process track car weight information monitoring module 1000, tire identification module 2000, monitoring ultrasonic module 3000, determine the information of car weight accurately of the single unit vehicle of relevant position, and this car weight information is forwarded to server;

Described car weight information comprises wheelspan, the number of axle, axle weight, wheelbase, car weight, the speed of a motor vehicle, license plate number, car plate color, vehicle photo.

Adopt the information acquisition of a kind of not parking vehicle car weight and the collection matching process of the system of mating, carry out as follows:

Step 1: detect and enter monitored area with or without vehicle: as entered without vehicle, then keep holding state; Enter if any vehicle, then proceed to step 2;

Step 2: set up vehicle data bag, prepares to accept vehicle car weight information, enters step 3 subsequently;

Step 3: monitoring enters the real time position of the single unit vehicle of monitored area, enters step 4 subsequently;

Step 4: the packet setting up single unit vehicle, and select camera to take pictures, Car license recognition, enter step 5 subsequently;

Step 5: by the position of monitoring wheel quantity and wheel, judge the driving cycle of vehicle, enter step 6 subsequently;

Step 6: judge the driving cycle that obtains according to step 5, the condition calculating axle weight travelled across road according to the condition calculating axle weight of the condition calculating axle weight of driving a vehicle in track, vehicle line ball traveling, vehicle or the condition calculating axle weight of oblique driving; Enter step 7 subsequently;

Step 7: judge whether vehicle passes through completely: if vehicle process completely, then enter step 8; Otherwise, then step 5 is returned;

Step 8: carry out gathering and mating of vehicle car weight information, enter step 9 subsequently;

Step 9: judge whether the vehicle of monitored area all rolls away from; In this way, then step 10 is entered; Otherwise, return step 2;

Step 10: vehicle car weight information is transmitted to remote server, and returns step 1.

compared with the prior art, beneficial effect of the present invention is embodied in:

The invention provides the hardware environment for multilane, by the reasonable combination of each module and configuration, overcoming original needs introduces independent track by vehicle, and cause great in constructing amount, the problems such as flow speeds is slow.

The present invention also overcomes tradition and weighs and the problem of picture pick-up device poor compatibility.

This invention also solves existing overall weighbridge formula truck scale and cannot solve the unordered problem of weighing of driving a vehicle with position confusion of vehicle.

By the multiple dynamic automobile scale of integrated application and quartz crystal sensor, earth coil, tire recognizer, CCD camera and auxiliary ultrasonic probe, by comprehensively to arrange and to weigh and image information marks, can when not stopping, add up car weight information and the vehicle number of axle of driving vehicle on two tracks simultaneously, wheelbase, wheelspan, the speed of a motor vehicle, mark by arranging different device numbers and information of vehicles header and data packing start-stop, can allow weighing information and camera collection to image information and the license board information that analyzes effectively mate, solve the problem of the bad collection of multilane vehicle car weight information and coupling, eliminate and need picture to waste time and energy the manpower and materials waste also needing to arrange special messenger to wait at the facility etc. that charging aperture sets up safety island class.When can determine tyre width by tire recognizer and determine the vehicle position information vehicle situation whether You Kua road travels and start sillometer, vehicle bearing axle weight can be measured by first quartz crystal sensor, and as terminal during sillometer, the time of triggering according to the Distance geometry between tire recognizer and quartz crystal sensor calculates the speed of a motor vehicle of vehicle; Second quartz crystal sensor is used for the collection of standdle carrier road vehicle car weight information, when judgement is driven a vehicle with vehicle standdle carrier road, is carried out the estimation of axle weight by the car weight information using second quartz crystal sensor to collect; Ccd video camera can carry out double taking pictures, and the picture of shooting is digital picture, can analyze the character on car plate color and car plate.According to hardware with lane information and temporal information effectively mate, be incorporated on a pictures, through mixed-media network modules mixed-media, be stored into server.Because information is digital, server can identify real-time vehicle flowrate and overloading ratio on the display same day.

Accompanying drawing explanation

Fig. 1 is module diagram of the present invention.

Fig. 2 is the unit connection relation schematic diagram in Fig. 1 in each module.

Fig. 3 is the inner structure schematic diagram of first lane information detecting unit in Fig. 2.

Fig. 4 is the inner structure schematic diagram of second lane information detecting unit in Fig. 2.

Fig. 5 is scheme of installation of the present invention.

The three-dimensional schematic diagram of Fig. 6 Fig. 5.

Fig. 7 is the process flow diagram that the present invention gathers matching process.

Fig. 8 is the theory diagram that the present invention gathers matching process.

Embodiment

Below in conjunction with drawings and Examples, the invention will be further described:

See Fig. 1, the information acquisition of a kind of not parking vehicle car weight and the system of mating, is characterized in that: comprise track car weight information monitoring module 1000, tire identification module 2000, monitoring ultrasonic module 3000, message processing module 4000;

See Fig. 2, furtherly, track car weight information monitoring module 1000 comprises more than one lane information monitoring means; Each lane information monitoring means all comprises track central authorities ultrasonic probe, the first ground induction coil, the first ground induction coil detecting device, the first dynamic automobile scale, the second ground induction coil, the second ground induction coil detecting device, the second dynamic automobile scale, camera; Wherein,

The output terminal of the first ground induction coil is connected with the input end of the first ground induction coil detecting device; The output terminal of the second ground induction coil is connected with the input end of the second ground induction coil detecting device; The output terminal of the output terminal of the first ground induction coil detecting device, the output terminal of the first dynamic automobile scale, the second ground induction coil detecting device, the output terminal of the second dynamic automobile scale, camera are connected with the input end of message processing module 4000 respectively; The output terminal of track central authorities ultrasonic probe is connected with the input end of monitoring ultrasonic module 3000;

Described central ultrasonic probe is responsible for monitoring on its track, place and is driven a vehicle across road with or without vehicle;

First ground induction coil receives the fixed frequency electric signal that the first ground induction coil detecting device sends, and when there being vehicle to sail the first ground induction coil into, the electric signal of feedback respective change;

First ground induction coil detecting device is responsible for sending fixed frequency electric signal to the first ground induction coil, and receives the electric signal of the first ground induction coil feedback, judges whether have vehicle to enter, and forms on-off model;

First dynamic automobile scale is responsible for the charge signal that collection vehicle obtains through the first dynamic automobile scale, and is amplified by this charge signal and convert magnitude of voltage to;

Second ground induction coil is responsible for the fixed frequency electric signal that reception second ground induction coil detecting device sends, and when there being vehicle to roll the second ground induction coil away from, the electric signal of feedback respective change;

Second ground induction coil detecting device is responsible for sending fixed frequency electric signal to the second ground induction coil, and accepts the electric signal of the second ground induction coil feedback, judges whether have vehicle to leave, and forms on-off model;

Second dynamic automobile scale is responsible for the charge signal that collection vehicle obtains through the second dynamic automobile scale, and is amplified by charge signal and convert magnitude of voltage to;

The control signal that camera is responsible for receiving message processing module 4000 carries out taking pictures for twice, and picture data is passed to message processing module 4000;

Furtherly, the model of described central ultrasonic probe is DDY1CJC1; First ground induction coil and the second ground induction coil are coiled into by the high temperature resistant tinned wire of φ 0.75mm; The size of the first ground induction coil and the second ground induction coil is 2 meters long 1 meter wide; 45 °, the long corner cut of 20cm is made with respectively in the corner of the first ground induction coil, the second ground induction coil; The model of the first ground induction coil detecting device, the second ground induction coil detecting device is the LD102 single channel coil vehicle detector that Shanghai moral repaiies electronics; The model of the first dynamic automobile scale, the second dynamic automobile scale is GBS-30DZ dynamic automobile scale; First dynamic automobile scale, the second dynamic automobile scale all comprise quartz crystal sensor, cable, charge amplifier and weighing controller; The model of camera is the DS-2CD986A that Haikang prestige is looked.

See Fig. 3, furtherly, described track car weight information monitoring module 1000 comprises 2 lane information monitoring means, is designated as first lane information monitoring unit 1100 and second lane information monitoring unit 1200 respectively;

First lane information monitoring unit 1100 comprises first lane track central authorities ultrasonic probe 1101, first lane first ground induction coil 1102, first lane first ground induction coil detecting device 1103, first lane first dynamic automobile scale 1104, first lane second ground induction coil 1106, first lane second ground induction coil detecting device 1107, first lane second dynamic automobile scale 1108, first lane camera 1109;

Second lane information monitoring unit 1200 comprises second lane track central authorities ultrasonic probe 1201, second lane first ground induction coil 1202, second lane first ground induction coil detecting device 1203, second lane first dynamic automobile scale 1204, second lane second ground induction coil 1206, second lane second ground induction coil detecting device 1207, second lane second dynamic automobile scale 1208, second lane camera 1209;

Described first lane information monitoring unit 1100 is placed on a track, wherein, ground induction coil frequency variation signal, the ground induction coil frequency variation signal of first lane second ground induction coil 1106, ultrasonic probe transmitting-receiving time-varying signal, the voltage signal of first lane first dynamic automobile scale 1104, the voltage signal of first lane second dynamic automobile scale 1108 of first lane track central authorities ultrasonic probe 1101 of first lane first ground induction coil 1102;

See Fig. 4, furtherly, described second lane information monitoring unit 1200 is placed on adjacent lane, is responsible for the ground induction coil frequency variation signal of second lane first ground induction coil 1202 on this track of feedback, the ground induction coil frequency variation signal of second lane second ground induction coil 1206, ultrasonic probe transmitting-receiving time-varying signal, the voltage signal of second lane first dynamic automobile scale 1204 and the voltage signal of second lane second dynamic automobile scale 1208 of first lane track central authorities ultrasonic probe 1101;

Tire identification module 2000 comprises tire recognizer 2100 and tire identification controller 2200; Tire recognizer 2100 is connected with message processing module 4000 through tire identification controller 2200;

Monitoring ultrasonic module 3000 comprises ultrasonic probe 3100 and ultrasound examination main frame 3200 between road; Wherein, between road, ultrasonic probe 3100 is placed in the position that aforementioned first lane and second lane are demarcated, be responsible for detecting bicycle and receive and dispatch time-varying signal across ultrasonic probe during lanes, namely detect because of vehicle across lanes time, cause the track of the track car weight information monitoring unit in first lane and the second lane central authorities signals of vehicles that can't detect of ultrasonic probe; Between road, ultrasonic probe 3100 is connected with message processing module 4000 through ultrasound examination main frame 3200.

Furtherly, the model of tire recognizer 2100 is the LZ-A tire recognizer of just luxuriant science and technology; Between road, the model of ultrasonic probe 3100 is DDY1CJC1 ultrasonic probe; The model of ultrasound examination main frame 3200 is DDY1CJC1 ultrasound examination main frame.

See Fig. 2, furtherly, message processing module 4000 comprises the first camera 4100, second camera 4200, first single-chip microcomputer 4100, second singlechip 4200, network service processing module 4300; Wherein,

First camera 4100, second camera 4200, first single-chip microcomputer 4100 are connected with second singlechip 4200 respectively with network service processing module 4300;

First single-chip microcomputer 4100 is connected with tire identification controller 2200, first lane information monitoring unit 1100, second lane information monitoring unit 1200, ultrasound examination main frame 3200 respectively; By the first single-chip microcomputer 4100 obtain respectively all tire on second lane that all tire on tire quantity that tire identification controller 2200 feeds back and the first lane that tyre position information, first lane information monitoring unit 1100 feed back feeds back through moment and magnitude of voltage corresponding to loading of tire, second lane information monitoring unit 1200 through moment and magnitude of voltage corresponding to loading of tire, ultrasound examination main frame 3200 feed back will reflection has vehicle to enter and the ultrasonic transmission/reception time variations that leaves is formed switching value data, and be passed to second singlechip 4200;

Camera 1109 in described first lane information monitoring unit 1100 is responsible for the car plate photo of the vehicle on shooting track, first lane information monitoring unit 1100 place, and feeds back to second singlechip 4200;

Camera 1209 in described second lane information monitoring unit 1200 is responsible for the car plate photo of the vehicle on shooting track, second lane information monitoring unit 1200 place, and feeds back to second singlechip 4200;

Described first single-chip microcomputer 4100 is weighing controller, is responsible for sending the control signal judging and aggregation process the data of front sensors of taking pictures to second singlechip; The result of the first single-chip microcomputer 4100 is passed to second singlechip 4200 and is further processed;

Described second singlechip 4200 is image processing module, is responsible for the control signal control camera and carry out taking pictures and comparison film carries out Car license recognition and under license board information being stored into corresponding car weight information of taking pictures of reception first single-chip microcomputer;

Described network service processing module 4300 is responsible for the result of second singlechip 4200 to be passed to remote server.

Furtherly, the model of the first single-chip microcomputer 4100 is STM32F103RBT6; The model of second singlechip 4200 is the AT91SAM9G45 of ARM9 kernel; The model of network service processing module 4300 is the embedded 3GDTU of ZHD750T.

See Fig. 5 and Fig. 6, furtherly, unidirectional two-way traffic is arranged this not information acquisition of parking vehicle car weight and system of mating; The track remembering unidirectional two-way traffic is first lane, and another track is second lane;

First lane is provided with first lane information monitoring unit 1100; Second lane is provided with second lane information monitoring unit 1200; First lane and second lane are provided with tire recognizer 2100 jointly; Ultrasonic probe 3100 between road is being provided with between first lane and second lane; Wherein,

Arrange that first lane believes the first ground induction coil 1002, first lane central authorities ultrasonic probe 1101, first lane first dynamic automobile scale 1104, first lane second dynamic automobile scale 1108, first lane second ground induction coil 1106 and first lane camera 1109 successively at the direction of traffic of first lane; The width of first lane first dynamic automobile scale 1104 is equal with the width of first lane; One end of first lane second dynamic automobile scale 1108 is adjacent with the separatrix of first lane and second lane;

Second lane first ground induction coil 1202, second lane central authorities ultrasonic probe 1201, second lane first dynamic automobile scale 1204, second lane second dynamic automobile scale 1208, second lane second ground induction coil 1207 and second lane camera 1209 is arranged successively at the direction of traffic of second lane; The width of second lane first dynamic automobile scale 1204 is equal with the width of second lane; One end of second lane second dynamic automobile scale 1208 is adjacent with the separatrix of first lane and second lane;

The width of first lane first dynamic automobile scale 1104 is equal with the width of second lane first dynamic automobile scale 1204;

The width of first lane second dynamic automobile scale 1108 is equal with the width of second lane second dynamic automobile scale 1208;

First lane second dynamic automobile scale 1108 equals the width of first lane first dynamic automobile scale 1104 with the width sum of second lane second dynamic automobile scale 1208;

First lane first ground induction coil 1102, first lane central authorities ultrasonic probe 1101, first lane first dynamic automobile scale 1104, first lane second ground induction coil 1106, first lane second dynamic automobile scale 1108, the installation site of first lane second ground induction coil 1106 and first lane camera 1109 respectively with second lane first ground induction coil 1202, second lane central authorities ultrasonic probe 1201, second lane first dynamic automobile scale 1204, second lane second dynamic automobile scale 1208, align mutually in the installation site of second lane second ground induction coil 1206 and second lane camera 1209,

The region of installation site between first lane central authorities' ultrasonic probe 1101 and first lane first dynamic automobile scale 1004 of tire recognizer 2100; The width of tire recognizer 2100 is width and the second lane width sum of first lane;

Between road, ultrasonic probe 3100 is arranged on the boundary of first lane and second lane, and between road, the installation site of the installation site of installation site and the first lane central authorities ultrasonic probe 1101 of ultrasonic probe 3100, second lane central authorities ultrasonic probe 1201 is mutually concordant;

First lane first ground induction coil detecting device 1103, first lane second ground induction coil detecting device 1107, second lane first ground induction coil detecting device 1203, second lane second ground induction coil detecting device 1207, first single-chip microcomputer 4100, second singlechip 4200, network service processing module 4300, tire identification controller 2200, ultrasound examination main frame 3200 are all arranged on the limit of two-way traffic.

See Fig. 7, adopt not parking vehicle car weight information acquisition and the collection matching process of the system of mating, carry out as follows:

See Fig. 7, furtherly, this employing not the information acquisition of parking vehicle car weight with the concrete steps of the collection matching process of the system of mating be:

step 1: detect and enter with or without vehicle:

According in the first lane information monitoring unit 1100 in lane information monitoring modular 1000 and second lane information monitoring unit 1200 and detect

By the reflected signal of first lane first ground induction coil 1102 that is connected with first lane first ground induction coil detecting device 1103, the reflected signal of second lane first ground induction coil 1202 that is connected with second lane first ground induction coil detecting device 1203, judge whether that vehicle enters, if not, continued to detect; If the reflected signal of the reflected signal of first lane first ground induction coil 1102 and/or second lane first ground induction coil 1202 changes, just representative has vehicle to enter, and carry out step 2;

step 2: set up vehicle data and assure standby reception vehicle car weight information:

By first lane first ground induction coil detecting device 1103, the reflected signal of first lane first ground induction coil detecting device 1103 is changed the switching value converted to;

By second lane first ground induction coil detecting device 1203, the reflected signal of second lane first ground induction coil detecting device 1203 is changed the switching value converted to;

First single-chip microcomputer 4100 receives the switching value of first lane first ground induction coil detecting device 1103 feedback and the switching value of second lane first ground induction coil detecting device 1203 feedback, thus judges have vehicle to enter corresponding track; When the first single-chip microcomputer 4100 defines after vehicle enters, then set up vehicle data bag, prepare to receive vehicle car weight information, then enter step 3;

step 3: determine whether single unit vehicle and enter and vehicle location:

The transmitting-receiving time of ultrasonic probe 3100 between first lane track central authorities ultrasonic probe 1101, second lane track central authorities' ultrasonic probe 1201 and/or road is detected by ultrasound examination main frame 3200, and being fed back by which ultrasonic probe of determining that this transmitting-receiving time changes, by ultrasound examination main frame 3200, testing result is sent to the first single-chip microcomputer 4100, judge vehicle fleet size and affiliated track by the first single-chip microcomputer 4100;

step 4: set up the packet of single unit vehicle and select camera of taking pictures to take pictures and Car license recognition:

First single-chip microcomputer 4100 arranges single vehicle data bag with the result in the vehicle fleet size judged and affiliated track and sends to second singlechip 4200; Corresponding first lane camera 1109 is started and/or second lane camera 1209 is taken pictures by second singlechip 4200:

If first lane has car, then start first lane camera 1109;

If second lane has car, then start second lane camera 1209;

If there is car in two tracks, then start first lane camera 1109 and second lane camera 1209;

If vehicle is across lanes, then start first lane camera 1109 and second lane camera 1209;

Carry out car plate color and character recognition by second singlechip 4200 pairs of pictures, enter step 5 simultaneously;

step 5: detection wheel count and wheel position judge wheel of vehicle driving cycle:

The wheel position of vehicle and wheel is detected through the moment by tire identification module 2000, generate digital position sequence and feed back to the first single-chip microcomputer 4100, draw wheel count and wheel position after being decoded by the first single-chip microcomputer 4100 pairs of sequences, then judge wheel of vehicle driving cycle:

If the tire recognizer triggered is positioned at lane line both sides and number is even number, then judge that vehicle travels in track; Only have a car process if side tire number is 2 side tire numbers when being 0, when both sides are all 2, have two cars to pass through;

If the tire recognizer triggered is positioned at lane line, then judge that vehicle line ball travels;

If the tire recognizer triggered is positioned at lane line both sides and number is all 1, then judge the driving of vehicle standdle carrier road, and driving lane vehicle number is 1;

If the tire recognizer quantity summation triggered is 1, be then judged to be a bicycle oblique driving;

Subsequently, step 6 is entered;

step 6: chosen axis re-computation method:

If be judged as driving a vehicle in track through step 5, then perform the axle re-computation method of step 6.1; As being judged as that line ball travels through step 5, then perform step 6.2; As being judged as through step 5, drive a vehicle in standdle carrier road, then perform step 6.3; As being judged as oblique driving through step 5, then perform step 6.4;

Step 6.1: when vehicle is driven a vehicle in track, the result that first lane first dynamic automobile scale 1104 and/or second lane first dynamic automobile scale 1204 weigh is just the axle weight of the current axis of vehicle on corresponding track;

Step 6.2: when vehicle line ball and in affiliated track, tire number is 1 time, for vehicle line ball travels, the axle of measured axletree is heavily first lane first dynamic automobile scale 1104 and two times of difference of first lane second dynamic automobile scale 1108 or two times of the difference of second lane first dynamic automobile scale 1204 and second lane second dynamic automobile scale 1208;

When vehicle line ball and in described track, tire number is 2 time, for another track vehicle line ball travels, the axle of measured axletree heavily for first dynamic automobile scale in this track and second dynamic automobile scale in another track two times of value with the first dynamic automobile scale deducting another track;

In other words, for the numerical value of (numerical value of numerical value+second lane first dynamic automobile scale 1204 feedback of first lane first dynamic automobile scale 1104 feedback) * 2-first lane second dynamic automobile scale 1108 feedback, or the numerical value of (numerical value of numerical value+second lane first dynamic automobile scale 1204 feedback of first lane first dynamic automobile scale 1104 feedback) * 2-second lane second dynamic automobile scale 1208 feedback;

Step 6.3: need the quantity judging the vehicle of process simultaneously during the driving of standdle carrier road:

If tire number is 2, vehicle fleet size is 1 carry out step 6.3.1; If tire number is 4, time the vehicle fleet size of process is 2 simultaneously, need the track judging to carry out check weighing; If the tire quantity in track is 1, the wheel measuring the car on the heavy track of axle then carries out step 6.3.2 in lane line both sides; If the tire quantity in track is 3, the wheel except the car that will measure measured on the heavy track of axle also has the wheel on another track then to carry out step 6.3.3;

Step 6.3.1: during solo running standdle carrier road, the axle of measured axletree be heavily two the first dynamic automobile scales 1004 and;

In other words, be the numerical value of numerical value+second lane first dynamic automobile scale 1204 feedback of first lane first dynamic automobile scale 1104 feedback;

Step 6.3.2: the weight of the axletree of institute's measuring car is two times of the value of the first dynamic automobile scale of current lane;

In other words, be the numerical value * 2 of first lane first dynamic automobile scale 1104 feedback, or second lane first dynamic automobile scale 1204) the numerical value * 2 that feeds back;

Step 6.3.3: the weight of the axletree of institute's measuring car is the value that the value of the first dynamic automobile scale 1004 of current lane deducts first dynamic automobile scale 1004 in another track;

In other words, for the numerical value of numerical value-second lane first dynamic automobile scale 1204 feedback of first lane first dynamic automobile scale 1104 feedback, or the numerical value of numerical value-first lane first dynamic automobile scale 1104 feedback of second lane first dynamic automobile scale 1204 feedback;

Step 6.4: the weight of the axletree of institute's measuring car be four values of double two the first dynamic automobile scales 1004 measured and;

In other words, be the numerical value of numerical value+second lane first dynamic automobile scale 1204 second time feedback of numerical value+second lane first dynamic automobile scale 1204 first time feedback of numerical value+first lane first dynamic automobile scale 1104 second time feedback of first lane first dynamic automobile scale 1104 first time feedback;

step 7: judge whether vehicle passes through completely:

If judge vehicle completely through region to be detected, then carry out step 8; If not process completely, then get back to step 5;

step 8: vehicle car weight information gathers and mates:

Gathered by the car weight information of the first single-chip microcomputer 4100 by all axletrees, and according to tire recognizer 2100 with the trigger instants of first lane first dynamic automobile scale 1104, second lane first dynamic automobile scale 1204 with apart from calculating car speed and estimating vehicle wheelbase, transmitting-receiving time variations according to ultrasonic probe calculates vehicle commander, send the data to second singlechip 4200, the car weight information that the license board information identified and the first single-chip microcomputer send is mated by second singlechip 4200;

step 9: judge whether all vehicles entered all leave:

If when the vehicle sailing surveyed area into not yet rolls away from, and when having vehicle to enter this monitored area, then return the information of collection step 4 carries out to(for) the car newly sailing monitored area into and mate;

If the vehicle sailing surveyed area into all rolls away from, and enter this monitored area without new vehicle---namely all vehicles entering monitored area all leave, then enter step 10;

step 10: the bicycle information of vehicles bag in all bicycle information of vehicles bags is packed by second singlechip 4200,be sent to server by network communication module 4300, and get back to step 1, prepare collecting vehicle information next time and mate.

See Fig. 8, adopt the collection matching process of not parking vehicle car weight information acquisition and the system of mating, the principle of work and the flow process literary composition that are extended to the above environment of three lanes are:

Step one: weighing controller every day 24 without vehicle through later the statistical parameter in system being made zero;

Statistical parameter mainly contains vehicle counter and overweight counter, and first lane vehicle counter is set to 1, M, and second lane vehicle counter is set to 2, N, and overweight counter is set to C; Without vehicle through standard be: after the second ground induction coil of first lane or second lane sends the signal that car leaves, the signal that the preposition ground induction coil of interior second lane does not have vehicle to enter, the sensor no signal between two coils changes; When 24 time, there is car to enter, then send signal that car leaves and under RST that preposition ground induction coil does not have car to enter and sensor no signal between two coils change at adjacent upper once rearmounted ground induction coil, to Vehicular system counter 1, M, 2, N makes zero;

Step 2: first lane car weight information monitoring unit and second lane car weight information monitoring unit by the first and second ground induction coils in respective unit frequency change convert switching value to, convert the charge information of the one the second dynamic automobile scales (quartz crystal sensor) to information of voltage and send weighing controller to, the ultrasonic transmission/reception actuating signal of track central authorities ultrasonic probe is sent to ultrasound examination main frame; By first lane and second lane track central authorities ultrasonic probe, divided lane ultrasonic probe ultrasonic transmission/reception actuating signal, ultrasound examination main frame judges that whether the ultrasonic transmission/reception time is relative to variant from ground transmitting-receiving, sends to weighing controller by judged result; Tire identification controller converts the trigger pip obtained from tire recognizer to Serial No. and sends to weighing controller;

Step 3: weighing controller according to receive from first lane car weight information monitoring unit and second lane car weight information monitoring unit switching value setting data packing start-stop header and send image processing module to; The judged result that weighing controller sends according to ultrasound examination main frame forms triggering amount, arranges vehicle counter simultaneously, sends to image processing module, makes image processing module trigger camera and takes pictures; Weighing controller determines wheel number and positional information according to the Serial No. obtained from tire identification controller, arranges number of axle counter simultaneously, and under wheelspan information is placed on current axis counter; Weighing controller is according to converting the laggard row operation of car weight value to from the information of voltage received from first lane car weight information monitoring unit and second lane car weight information monitoring unit and under being stored in current axis counter; Under weighing information is placed on same vehicle counter according to time mark by weighing controller, whether transfinite, send to image processing module if arranging overweight counters count vehicle simultaneously;

Data packing start-stop header is respectively S and E, and S is for starting header, and E is for terminating header;

When the signal that first lane or second lane first ground induction coil have vehicle to enter, judge whether have vehicle to enter, determination methods is identical with the standard in step one, if there is vehicle to enter, reactionless, if do not have vehicle to enter, in weighing controller, then form the start header S of data packing, by the work of ultrasound examination host-initiated ultrasonic probe, and the start header S that data packed sends to image processing module;

When the second ground induction coil of first lane or second lane has vehicle to leave the signal in car weight information acquisition district, and when judging the first ground induction coil of first lane or second lane without vehicle entering signal by the first ground induction coil detecting device, form data packing mark E, packing is terminated mark E and sends to image processing module; Otherwise second ground induction coil in two tracks continues to detect;

Judge whether that vehicle enters or goes out and vehicle location according to ultrasonic detector, simultaneously as the foundation of Vehicles separation, continue to detect in time not having vehicle to enter, in time having vehicle to enter, judge vehicle the track of process, method of discrimination is: if when only having the time of receiving and dispatching of ultrasonic probe in first lane track relatively to change from ground transmitting-receiving, then judge that vehicle is at first lane; If when only having the time of receiving and dispatching of ultrasonic probe in second lane track relatively to change from ground transmitting-receiving, then judge that car is at second lane; If when only having the divided lane ultrasonic probe time of receiving and dispatching relatively to change from ground transmitting-receiving, then judge that vehicle is across lanes, and travel by central authorities, still calculate at first lane; If detect that in first lane track, from ground receive and dispatch relative with the divided lane ultrasonic probe transmitting-receiving time of ultrasonic probe changes, then judge that car is at first lane simultaneously; If detect that in second lane track, from ground receive and dispatch relative with the divided lane ultrasonic probe transmitting-receiving time of ultrasonic probe changes, then judge that car is at second lane simultaneously; If detect that in first lane track, from ground receive and dispatch relative with the ultrasonic probe transmitting-receiving time in second lane track of ultrasonic probe changes, then judge that there is vehicle in two tracks simultaneously; If three ultrasonic probe transmitting-receiving times all change, be then judged to be that there is vehicle in two tracks; Corresponding track vehicle counting system counter adds 1 as information of vehicles header simultaneously, if first lane has vehicle to enter then 1, M in M adds 1, after initialization, the information of vehicles header of the vehicle that first lane enters for the first time is 1,1, if second lane has vehicle to enter then 1, N in N adds 1, after initialization, the information of vehicles header of the vehicle that second lane enters for the first time is 2,1, information of vehicles header is sent to image processor block, and image processing module receives information of vehicles header, and starts corresponding track camera and take pictures;

Weighing controller receives the signal of tire recognizer by tire identification controller, and record the wheel number that obtains and pitch information, vehicle travel whether there is the behavior of standdle carrier road, in order to the number of axle counting had each car arranges number of axle counter Z, and the number of axle counter Z under corresponding vehicle information heading adds 1, and writes down trigger instants; When wheel is one, be judged to be bicycle diagonal; Be that first lane bicycle line ball travels when wheel is distributed on first lane and lane line; Be that second lane vehicle line ball travels when wheel is distributed on second lane and lane line;

Weighing controller carries out load transfer to the charge amplifier received to the voltage that the charge conversion of dynamic automobile scale becomes, under load being placed on number of axle counter Z, and calculate trigger instants, the moment of triggering according to tire identification controller and the spacing between the two of setting, calculate the speed of a motor vehicle of corresponding axle, under being recorded in corresponding number of axle counter Z; The weight that first lane first dynamic automobile scale and the process of first lane second dynamic automobile scale obtain is set to W11 and W12, the weight that second lane first dynamic automobile scale and the process of second lane second dynamic automobile scale obtain is set to W21 and W22, when vehicle is driven a vehicle in track, the first dynamic automobile scale is just the axle weight under the current axis counter Z in corresponding track; When vehicle has standdle carrier road to drive a vehicle, the axle under current axis counter Z is heavily two times of the load that the first dynamic automobile scale collects; When vehicle has the behavior of pressure divided lane line driving, the load that the axle under current axis counter Z heavily collects for the first dynamic automobile scale of current lane deducts two times of the value after the load of the second dynamic automobile scale of current lane; When having recognized other track vehicles and having had the behavior of standdle carrier road, the load that the axle under current axis counter Z heavily collects for the first dynamic automobile scale of current lane has deducted the value after the load of the second dynamic automobile scale of current lane;

The load calculation method of every axle is as follows: when vehicle is driven a vehicle in track, and the first dynamic automobile scale is just the axle weight under the current axis counter Z in corresponding track, i.e. W1=W11, W2=W21; When vehicle be solo running or two cars side by side staggered travel the behavior of Qie Youkua road time: when first lane vehicle two-wheeled on lane line or both sides time, each axle of first lane car weight is reseted and is set to W1=W11+W21; When second lane vehicle two-wheeled on lane line or both sides time, each axle of second lane car weight is reseted and is set to W1=W11+W21;

When there is the concordant advance of car in two tracks simultaneously, there are four wheels simultaneously through tire recognizer, when first lane vehicle two-wheeled is on lane line, each axle of first lane car weight is reseted and is set to W1=(W11-W12) * 2, each axle of second lane car weight is reseted and is set to W2=W21-W12; When first lane vehicle two-wheeled is in lane line both sides, each axle of first lane car weight is reseted and is set to W1=W11*2, and each axle of second lane car weight is reseted and is set to W2=W21-W11; When second lane vehicle two-wheeled is on lane line, each axle of first lane car weight is reseted and is set to W1=W11-W22, and each axle of second lane car weight is reseted and is set to W2=(W21-W22) * 2; When second lane vehicle two-wheeled is in lane line both sides, each axle of first lane car weight is reseted and is set to W1=W11-W21, and each axle of second lane car weight is reseted and is set to W2=W21*2;

Judged whether that vehicle is gone out according to ultrasonic detector, criterion is: the ultrasonic probe in corresponding track transmitting-receiving hyperacoustic time is with ground to be received and dispatched to hyperacoustic time identical; Continue to calculate every axle weight when vehicle does not leave completely time; If vehicle leaves, when ultrasonic probe transmitting-receiving hyperacoustic time is identical with receiving and dispatching hyperacoustic time to ground, whole vehicle car weight information has calculated;

Weighing information (comprising the wheelbase of the number of axle, axle and axle, the wheelspan of each axle, the load of each axle, the speed of each axle, the load of car load, the average velocity of car load) is carried out gathering and under being recorded in corresponding information of vehicles header, if vehicle has overweight, add under overweight counter C 1 be placed on information of vehicles header after, then the data after gathering are sent to image processing module, number of axle technology device Z is made zero;

Step 4: image processing module receives the vehicle counter header that weighing controller is sent, and take pictures, after the picture data that the camera received is passed back is stored in vehicle counter header by image processing module according to the triggering amount triggering camera of weighing controller; After license board information in image processing module application image Processing Algorithm comparison film is carried out identifying and then license board information is stored in vehicle counter header; Image processing module receives the car weight information character string with vehicle counter header from weighing controller, and merges after the photo under same vehicle counter and license board information character string being carried out order arrangement;

Step 5: image processing module receives the data packing start-stop header that car weight controller is sent, and the car weight information of data being packed in the start-stop header time carries out arrangement packing according to vehicle counter header, and is sent to server database by mixed-media network modules mixed-media;

Image processing module receives packing and terminates mark E; Image processing module will terminate at data packing header S and packing to pack to the car weight with information of vehicles header matched stored and image information in mark E time interval;

Step 6: on the server according to the vehicle flowrate that the Data-Statistics of vehicle counter is real-time, according to the quantity of the Data-Statistics overloaded vehicle of overweight counter, according to both than Data-Statistics overloading ratio.

Adding and adding up real-time vehicle flowrate, according to the quantity of the Data-Statistics overloaded vehicle of C, according to the Data-Statistics overloading ratio of C/ (M+N) on the server according to the value of M, N.

Furtherly, ground induction coil adopts standard φ 0.75mm high temperature resistant tinned wire, is of a size of 2 meters long 1 meter wide, angle is done 45 °, the long corner cut of 20cm.The distance on coil and road limit is at 50cm, and coil is longitudinal stack around together, and the number of turns is determined according to overall girth, and time girth is 6 meters, coil turn can be 4 or 5 circles.Coil is connected to the line of ground induction coil detecting device must spiral multiple twin (being greater than 20 strand every meter).Inductive coil can create fixing reflected signal when accepting fixed frequency pulse, is formed " resonant frequency ", and have a large amount of metal such as vehicle near time, the resonant frequency of coil can change.

Ground induction coil detecting device is used for sending electric pulse and the reflected signal of receiving coil to coil, when there being a large amount of metal near coil, cause the change of coil checker and coil resonance frequency, ground induction coil detecting device just can detect that this changes, this changes the appearance being just recorded as vehicle by coil checker, when a vehicle being detected, give relay voltage.Coil checker exports can arrange title " pulse " or " existence " pattern, be arranged under pulse mode, only have and have output voltage signal to relay when vehicle be just pressed onto coil or when leaving coil, by arrange rising edge trigger and negative edge triggering realize; Exist under pattern, as long as detect that the output of wagon detector is just open always, output voltage is to relay, and relay can continue to export high level.The present invention adopts pulse mode, and output signal when adopting vehicle to be pressed onto coil along the upstream of direction of traffic, outputs level signals (forward to database for the formation of packaging file, save flow, can also real-time be improved) when downstream along direction of traffic adopts vehicle to leave coil.

Whether ultrasonic detector enters surveyed area for detecting vehicle and leaves region, can after the vehicle continuously across close proximity being detected accurately, comprise ultrasonic probe and main frame, the probe that supersonic vehicle detects has to be launched and accepts dual-use function, be arranged at directly over road, ultrasonic probe monitors pavement-height continuously with the frequency of 10 to 50 times per second, and receives the reflection wave from vehicle.When vehicle from probe below through out-of-date, the time of return of the reflection wave detected has obvious difference, can the existence of perception vehicle, and after vehicle leaves, the hyperacoustic time of return that receives of popping one's head in can recover again the time returned from road surface.Ultrasonic probe has three, be arranged in inside lane and outer track central authorities and lane line on directly over.

Tire recognizer model is LZ-A, by some, certain intervals distance is also arranged in the modular tyre inspecting sensor of vehicle composition perpendicular to vehicle direct of travel in order, the core component that tire recognizer uses is researched and developed " tyre inspecting sensor of vehicle " by Zheng Mao Science and Technology Ltd., take abrasive rubber as main material, by " housing ", " conductive layer ", " separation layer ", be printed on " circuit board " of two gate-shaped electrodes, the composition such as " lining core " and output cable, output signal internal resistance is low: be not more than 4 Ω (containing signal wire resistance), antijamming capability is very strong.Every tyre inspecting sensor of vehicle is separate, and weighing controller differentiates detected vehicle tyre width according to vehicle by the number of signals detected during tire recognizer, thus calculates the quantity of the tire by vehicle.Simultaneously, because tyre inspecting sensor of vehicle installs side by side on one wire in order, therefore, the position that driving vehicle is driven a vehicle can be judged according to the signal of the axle sensor detected, whether on corresponding track, whether there is the behavior of lane change driving or the driving of standdle carrier road, and according to the signaling point detected, the wheelspan of corresponding wheel can be determined.And when mounting tyre recognizer and dynamic automobile scale form gauged distance, be arranged to 0.2 meter, speed of operation is calculated continuously across mistiming of tire recognizer and dynamic automobile scale by detecting vehicle first axletree, or by the average speed of the speed of a motor vehicle COMPREHENSIVE CALCULATING vehicle of every root axle.

Tire identification controller connects the tyre inspecting sensor of vehicle in all tire recognizer, also has the time point detected to be integrated into character string the high level signal position detected and quantity and sends to weighing controller.

Dynamic automobile scale adopts Switzerland KISTLER quartz crystal sensor, with second generation Dynamic Weighing Technology (WIMII) for kernel.Be that the quartz crystal sensor of core component has good linear convergent rate with quartz crystal, therefore can well react stressed with electric charge linear relationship, repeatability weighs output signal always, ensure that stability of weighing accurately, and no signal is drifted about, and is easy to calibration.The quartz crystal sensor adopted is insensitive to horizontal side force (power vertically downward).Quartz crystal sensor, outward appearance is wide rectangular of 70mm, and length can be made by oneself, and therefore erection space is less.Compare bending plate type sensor and piezoelectric film sensor effectively carrying width also narrow, but installation workload is also little, what quartz crystal sensor can be complete simultaneously detects that single axletree is through the out-of-date load applied quartz crystal, therefore effectively can detect the weight of moving vehicle single shaft.Dynamic automobile scale one has four, wherein two take and take two tracks respectively, two other each 50 centimeter length, the dotted line of divided lane connects, the arranged direction of four truck scales is all perpendicular to direction of traffic, two long with two short all connecting at the dotted line place of divided lane, installs side by side.

The piezoelectric charge signal that accurate quartz transducer can produce by charge amplifier converts the voltage signal of corresponding proportion to, and voltage signal output is passed to weighing controller.

The information fusion of weighing system collection is sent to image processing module by weighing controller, and determines whether carry out image recognition.By ground induction coil detecting device, know the information of vehicle process, set up the label information of data packing start-stop, simultaneously as the enabling signal starting other equipment, determined the information of complete vehicle process by ultrasonic detector, set up the header of each car weighing information and send to image processing module, the signal transmitted by tire recognizer directly determines whether vehicle has the behavior across lanes, car gage, the moment of the number of axle and each wheel process, the voltage signal transmitted by charge amplifier calculates corresponding axle weight information and through the moment through ratio formula, by integrated tire identification controller and the axle weight information converted to by charge amplifier voltage signal and through the moment, the average overall travel speed of vehicle can be calculated again by the distance between the dynamic automobile scale set and tire recognizer, calculate vehicle wheelbase simultaneously, and draw the weight of car load.The axletree limited in contrast model data storehouse and car weight value, determine whether vehicle overloads, then form the character information whether overloaded.

Camera, adopts ccd camera, and when receiving trigger pip of taking pictures, shooting two photos continuously, the photo form of formation is BMP.

Image processing module adopts the scheme adding digital signal processor DSP with embedded processors ARM, flush bonding processor is the S3C2410 embedded microprocessor based on ARM920T kernel, ARM is as master controller, control taking pictures and image acquisition, the communication interface of imageing sensor of camera, complete simultaneously and the fusion of weighing information and the packing of data are sent; Complete Digital Image Processing algorithm by DSP, algorithm level process is carried out to digital picture.

Mixed-media network modules mixed-media adopts external 3G network module, and built-in ICP/IP protocol stack, by standard AT command collection, sends data after being communicated with the webserver of specific IP.

As shown in Figure 5, direction of traffic arranges surveyed area, surveyed area covers covering two tracks, arranges ground induction coil, the central authorities of kerb lane in ground induction coil in beginning, detection zone, the construction conveniently construction requirement construction of ground induction coil, at interior kerb lane middle position and lane line position and in the downstream of ground induction coil and near ground induction coil ground location directly over install three ultrasonic probes, in the below of ultrasonic probe, edge is perpendicular to the whole piece highway of direction of traffic being laid the tire recognizer be made up of row's tyre inspecting sensor of vehicle, be parallel to tire recognizer at a distance of 0.2 meter of setting and covering two dynamic automobile scales of whole fast lane and kerb lane, the dynamic automobile scale that two length are 0.5 meter long is set in the downstream near these two dynamic automobile scales simultaneously, splicing is on lane line, four dynamic automobile scales can export four groups of charge information to charge amplifier, region ground induction coil is laid out at second group short dynamic vehicle rear, for judging that surveyed area gone out by vehicle, above the road center of inside and outside side, install camera, double candid photograph just in time can be carried out when vehicle is detected by ultrasonic probe in the position of camera.

Each dynamic automobile scale is connected with charge amplifier, charge amplifier is connected with weighing controller, corresponding voltage signal is converted to after the charge information of dynamic automobile scale is detected by charge amplifier, then weighing controller is passed to, weighing controller, according to the ratio of voltage signal and inner setting, forms single-axle load information character string and stores; Ground induction coil is connected with ground induction coil detecting device, and ground induction coil detecting device is connected with weighing controller;

Ground induction coil detecting device sends electric pulse to ground induction coil, electric capacity in ground induction coil and ground induction coil detecting device is formed " resonant frequency ", in time having a large amount of metal process, resonant frequency changes and is detected by ground induction coil, ground induction coil detecting device is connected with weighing controller, a switching value sends to weighing controller as detecting that vehicle enters detection zone or leaves the criterion of detection zone by ground induction coil detecting device, and weighing controller is according to judging the starting and ending header setting up data packing;

Tire recognizer is connected with tire identification controller, tire identification controller is connected with weighing controller, tire identification controller also has the situation of tire whether live conductor or the driving of standdle carrier road according to the distance that the switching value that tire recognizer is sent is judged between the quantity of tire and tire, record the time of triggering simultaneously, and information is passed to weighing controller;

Ultrasonic probe is connected with Ultrasonic Detection main frame, ultrasound examination main frame is connected with weighing controller, according to ultrasonic probe transmitting-receiving hyperacoustic time, ultrasound examination main frame has judged whether that vehicle passes through, and the information of vehicle process is sent to weighing controller, weighing controller determines according to hyperacoustic testing result the header whether setting up the packet of each car match information, when setting up header, header is sent to image processing module, start camera simultaneously and take pictures;

Camera is connected with image procossing processing module, and image processing module is also connected with mixed-media network modules mixed-media with weighing controller;

Weighing controller and charge amplifier, ultrasound examination main frame, geomagnetic induction coil detecting device, tire identification controller, image processor is connected, the information that weighing controller transmits according to modules, by the car weight information integration of this vehicle under the header of the packet of corresponding vehicle match information, then the car weight information with information of vehicles header is sent to image processing module, camera passes photographic intelligence back image processing module after taking pictures according to the continuous both sides of image processing module order, image processing module identifies pictorial information, the license board information identified (comprising license plate number and car plate color) and corresponding photo and header information are integrated,

Network communication module is directly connected with image processing module, and is connected with corresponding server by the instruction of image processing module, and the result that image processing module process obtains is sent to server.

Claims

1. the not information acquisition of parking vehicle car weight and a system of mating, is characterized in that: comprise track car weight information monitoring module (1000), tire identification module (2000), monitoring ultrasonic module (3000), message processing module (4000);

Track car weight information monitoring module (1000) is connected with monitoring ultrasonic module (3000), message processing module (4000) respectively; Tire identification module (2000), monitoring ultrasonic module (3000) are connected with message processing module (4000) respectively;

Described track car weight information monitoring module (1000) is responsible for by the equipment collection vehicle in unit through out-of-date signal, and to rear class module feedback track car weight information packet; Described track car weight information packet include time information that vehicle enters, wheel of vehicle through time information, each axle weight information, vehicle picture data, vehicle leave signal; Described track car weight information monitoring module (1000) comprises the lane information monitoring means of more than 2;

Tire identification module (2000) is responsible for gathering wheel through moment and wheel position information;

Whether the start/stop time that monitoring ultrasonic module (3000) is responsible for determining that single unit vehicle enters and this vehicle have across lanes behavior;

Message processing module (4000) is responsible for the data of process track car weight information monitoring module (1000), tire identification module (2000), monitoring ultrasonic module (3000), determine the information of car weight accurately of the single unit vehicle of relevant position, and this car weight information is forwarded to server.

2. a kind of not parking vehicle car weight according to claim 1 information acquisition and the system of mating, is characterized in that: track car weight information monitoring module (1000) comprises more than one lane information monitoring means; Each lane information monitoring means all comprises track central authorities ultrasonic probe, the first ground induction coil, the first ground induction coil detecting device, the first dynamic automobile scale, the second ground induction coil, the second ground induction coil detecting device, the second dynamic automobile scale, camera; Wherein,

The output terminal of the first ground induction coil is connected with the input end of the first ground induction coil detecting device; The output terminal of the second ground induction coil is connected with the input end of the second ground induction coil detecting device; The output terminal of the output terminal of the first ground induction coil detecting device, the output terminal of the first dynamic automobile scale, the second ground induction coil detecting device, the output terminal of the second dynamic automobile scale, camera are connected with the input end of message processing module (4000) respectively; The output terminal of track central authorities ultrasonic probe is connected with the input end of monitoring ultrasonic module (3000);

The control signal that camera is responsible for receiving message processing module (4000) carries out taking pictures for twice, and picture data is passed to message processing module (4000).

3. a kind of not parking vehicle car weight according to claim 2 information acquisition and the system of mating, is characterized in that: the model of described central ultrasonic probe is DDY1CJC1; First ground induction coil and the second ground induction coil are coiled into by the high temperature resistant tinned wire of φ 0.75mm; The size of the first ground induction coil and the second ground induction coil is 2 meters long 1 meter wide; 45 °, the long corner cut of 20cm is made with respectively in the corner of the first ground induction coil, the second ground induction coil; The model of the first ground induction coil detecting device, the second ground induction coil detecting device is the LD102 single channel coil vehicle detector that Shanghai moral repaiies electronics; The model of the first dynamic automobile scale, the second dynamic automobile scale is GBS-30DZ dynamic automobile scale; First dynamic automobile scale, the second dynamic automobile scale all comprise quartz crystal sensor, cable, charge amplifier and weighing controller; The model of camera is the DS-2CD986A that Haikang prestige is looked.

4. a kind of not parking vehicle car weight information acquisition according to claim 1,2 or 3 and the system of mating, is characterized in that:

Described track car weight information monitoring module (1000) comprises 2 lane information monitoring means, is designated as first lane information monitoring unit (1100) and second lane information monitoring unit (1200) respectively;

First lane information monitoring unit (1100) comprises first lane track central authorities' ultrasonic probe (1101), first lane first ground induction coil (1102), first lane first ground induction coil detecting device (1103), first lane first dynamic automobile scale (1104), first lane second ground induction coil (1106), first lane second ground induction coil detecting device (1107), first lane second dynamic automobile scale (1108), first lane camera (1109);

Second lane information monitoring unit (1200) comprises second lane track central authorities' ultrasonic probe (1201), second lane first ground induction coil (1202), second lane first ground induction coil detecting device (1203), second lane first dynamic automobile scale (1204), second lane second ground induction coil (1206), second lane second ground induction coil detecting device (1207), second lane second dynamic automobile scale (1208), second lane camera (1209);

Described first lane information monitoring unit (1100) is placed on a track, wherein, ground induction coil frequency variation signal, the ground induction coil frequency variation signal of first lane second ground induction coil (1106), ultrasonic probe transmitting-receiving time-varying signal, the voltage signal of first lane first dynamic automobile scale (1104), the voltage signal of first lane second dynamic automobile scale (1108) in first lane track central authorities' ultrasonic probe (1101) of first lane first ground induction coil (1102);

Described second lane information monitoring unit (1200) is placed on adjacent lane, is responsible for the ground induction coil frequency variation signal of second lane first ground induction coil (1202) on this track of feedback, the ground induction coil frequency variation signal of second lane second ground induction coil (1206), ultrasonic probe transmitting-receiving time-varying signal, the voltage signal of second lane first dynamic automobile scale (1204) and the voltage signal of second lane second dynamic automobile scale (1208) in first lane track central authorities' ultrasonic probe (1101);

Tire identification module (2000) comprises tire recognizer (2100) and tire identification controller (2200); Tire recognizer (2100) is connected with message processing module (4000) through tire identification controller (2200);

Monitoring ultrasonic module (3000) comprises ultrasonic probe between road (3100) and ultrasound examination main frame (3200); Wherein, between road, ultrasonic probe (3100) is placed in the position that aforementioned first lane and second lane are demarcated, be responsible for detecting bicycle and receive and dispatch time-varying signal across ultrasonic probe during lanes, namely detect because of vehicle across lanes time, cause the track of the track car weight information monitoring unit in first lane and the second lane central authorities signals of vehicles that can't detect of ultrasonic probe; Between road, ultrasonic probe (3100) is connected with message processing module (4000) through ultrasound examination main frame (3200).

5. a kind of not parking vehicle car weight according to claim 4 information acquisition and the system of mating, is characterized in that: the model of tire recognizer (2100) is the LZ-A tire recognizer of just luxuriant science and technology; Between road, the model of ultrasonic probe (3100) is DDY1CJC1 ultrasonic probe; The model of ultrasound examination main frame (3200) is DDY1CJC1 ultrasound examination main frame.

6. a kind of not parking vehicle car weight according to claim 4 information acquisition and the system of mating, is characterized in that:

Message processing module (4000) comprises the first camera (4100), second camera (4200), the first single-chip microcomputer (4100), second singlechip (4200), network service processing module (4300); Wherein,

First camera (4100), second camera (4200), the first single-chip microcomputer (4100) are connected with second singlechip (4200) respectively with network service processing module (4300);

First single-chip microcomputer (4100) is connected with tire identification controller (2200), first lane information monitoring unit (1100), second lane information monitoring unit (1200), ultrasound examination main frame (3200) respectively, the tire quantity and tyre position information that tire identification controller (2200) feeds back is obtained respectively by the first single-chip microcomputer (4100), on the first lane that first lane information monitoring unit (1100) feeds back, all tire is through moment and magnitude of voltage corresponding to loading of tire, on the second lane that second lane information monitoring unit (1200) feeds back, all tire is through moment and magnitude of voltage corresponding to loading of tire, the switching value data that the ultrasonic transmission/reception time variations having vehicle to enter reflection and leave that ultrasound examination main frame (3200) feeds back is formed, and be passed to second singlechip (4200),

Camera (1109) in described first lane information monitoring unit (1100) is responsible for the car plate photo of the vehicle on shooting first lane information monitoring unit (1100) track, place, and feeds back to second singlechip (4200);

Camera (1209) in described second lane information monitoring unit (1200) is responsible for the car plate photo of the vehicle on shooting second lane information monitoring unit (1200) track, place, and feeds back to second singlechip (4200);

Described first single-chip microcomputer (4100) is weighing controller, is responsible for sending the control signal judging and aggregation process the data of front sensors of taking pictures to second singlechip; The result of the first single-chip microcomputer (4100) is passed to second singlechip (4200) and is further processed;

Described second singlechip (4200) is image processing module, is responsible for the control signal control camera and carry out taking pictures and comparison film carries out Car license recognition and under license board information being stored into corresponding car weight information of taking pictures of reception first single-chip microcomputer;

The result of second singlechip (4200) is passed to remote server by described network service processing module (4300) being responsible for.

7. a kind of not parking vehicle car weight according to claim 4 information acquisition and the system of mating, is characterized in that:

Unidirectional two-way traffic arranges this not information acquisition of parking vehicle car weight and system of mating; The track remembering unidirectional two-way traffic is first lane, and another track is second lane;

First lane is provided with first lane information monitoring unit (1100); Second lane is provided with second lane information monitoring unit (1200); First lane and second lane are provided with tire recognizer (2100) jointly; Ultrasonic probe between road (3100) is being provided with between first lane and second lane; Wherein,

Arrange that first lane believes the first ground induction coil (1002), first lane central authorities' ultrasonic probe (1101), first lane first dynamic automobile scale (1104), first lane second dynamic automobile scale (1108), first lane second ground induction coil (1106) and first lane camera (1109) successively at the direction of traffic of first lane;

Second lane first ground induction coil (1202), second lane central authorities' ultrasonic probe (1201), second lane first dynamic automobile scale (1204), second lane second dynamic automobile scale (1208), second lane second ground induction coil (1206) and second lane camera (1209) is arranged successively at the direction of traffic of second lane;

First lane first ground induction coil (1102), first lane central authorities' ultrasonic probe (1101), first lane first dynamic automobile scale (1104), first lane second ground induction coil (1106), first lane second dynamic automobile scale (1108), the installation site of first lane second ground induction coil (1106) and first lane camera (1109) respectively with second lane first ground induction coil (1202), second lane central authorities' ultrasonic probe (1201), second lane first dynamic automobile scale (1204), second lane second dynamic automobile scale (1208), align mutually in the installation site of second lane second ground induction coil (1206) and second lane camera (1209),

The region of installation site between first lane central authorities' ultrasonic probe (1101) and first lane first dynamic automobile scale (1004) of tire recognizer (2100);

Between road, ultrasonic probe (3100) is arranged on the boundary of first lane and second lane, and between road, the installation site of the installation site of installation site and the first lane central authorities' ultrasonic probe (1101) of ultrasonic probe (3100), second lane central authorities' ultrasonic probe (1201) is mutually concordant;

First lane first ground induction coil detecting device (1103), first lane first charge amplifier (1105), first lane second ground induction coil detecting device (1107), second lane first ground induction coil detecting device (1203), second lane first charge amplifier (1205), second lane second ground induction coil detecting device (1207), first single-chip microcomputer (4100), second singlechip (4200), network service processing module (4300), tire identification controller (2200), ultrasound examination main frame (3200) is all arranged on the limit of two-way traffic.

8. to adopt described in claim 1 to 7 any the not information acquisition of parking vehicle car weight and the collection matching process of the system of mating, it is characterized in that: carry out as follows:

9. adopt not parking vehicle car weight information acquisition and the collection matching process of the system of mating according to claim 8, it is characterized in that:

Step 1: detect and enter with or without vehicle:

According in the first lane information monitoring unit (1100) in lane information monitoring modular (1000) and second lane information monitoring unit (1200) and detect

By the reflected signal of first lane first ground induction coil (1102) that is connected with first lane first ground induction coil detecting device (1103), the reflected signal of second lane first ground induction coil (1202) that is connected with second lane first ground induction coil detecting device (1203), judge whether that vehicle enters, if not, continued to detect; If the reflected signal of the reflected signal of first lane first ground induction coil (1102) and/or second lane first ground induction coil (1202) changes, just representative has vehicle to enter, and carry out step 2;

Step 2: set up vehicle data and assure standby reception vehicle car weight information:

By first lane first ground induction coil detecting device (1103), the reflected signal of first lane first ground induction coil detecting device (1103) is changed the switching value converted to;

By second lane first ground induction coil detecting device (1203), the reflected signal of second lane first ground induction coil detecting device (1203) is changed the switching value converted to;

The switching value that first single-chip microcomputer (4100) reception first lane first ground induction coil detecting device (1103) feeds back and the switching value that second lane first ground induction coil detecting device (1203) feeds back, thus judge have vehicle to enter corresponding track; When the first single-chip microcomputer (4100) defines after vehicle enters, then set up vehicle data bag, prepare to receive vehicle car weight information, then enter step 3;

Step 3: determine whether single unit vehicle and enter and vehicle location:

The transmitting-receiving time of ultrasonic probe (3100) between first lane track central authorities' ultrasonic probe (1101), second lane track central authorities' ultrasonic probe (1201) and/or road is detected by ultrasound examination main frame (3200), and being fed back by which ultrasonic probe of determining that this transmitting-receiving time changes, by ultrasound examination main frame (3200), testing result is sent to the first single-chip microcomputer (4100), judge vehicle fleet size and affiliated track by the first single-chip microcomputer (4100);

Step 4: set up the packet of single unit vehicle and select camera of taking pictures to take pictures and Car license recognition:

First single-chip microcomputer (4100) arranges single vehicle data bag with the result in the vehicle fleet size judged and affiliated track and sends to second singlechip (4200); The first lane camera (1109) corresponding by second singlechip (4200) startup and/or second lane camera (1209) are taken pictures:

If first lane has car, then start first lane camera (1109);

If second lane has car, then start second lane camera (1209);

If there is car in two tracks, then start first lane camera (1109) and second lane camera (1209);

If vehicle is across lanes, then start first lane camera (1109) and second lane camera (1209);

By second singlechip (4200), car plate color and character recognition are carried out to picture, enter step 5 simultaneously;

Step 5: detection wheel count and wheel position judge wheel of vehicle driving cycle:

The wheel position of vehicle and wheel is detected through the moment by tire identification module (2000), generate digital position sequence and feed back to the first single-chip microcomputer (4100), draw wheel count and wheel position after sequence being decoded by the first single-chip microcomputer (4100), then judge wheel of vehicle driving cycle:

Subsequently, step 6 is entered;

Step 6: chosen axis re-computation method:

Step 6.1: when vehicle is driven a vehicle in track, the result that first lane first dynamic automobile scale (1104) and/or second lane first dynamic automobile scale (1204) weigh is just the axle weight of the current axis of vehicle on corresponding track;

Step 6.2: when vehicle line ball and in affiliated track, tire number is 1 time, for vehicle line ball travels, the axle of measured axletree is heavily first lane first dynamic automobile scale (1104) and two times of difference of first lane second dynamic automobile scale (1108) or two times of the difference of second lane first dynamic automobile scale (1204) and second lane second dynamic automobile scale (1208);

In other words, for the numerical value that (numerical value that numerical value+second lane first dynamic automobile scale (1204) that first lane first dynamic automobile scale (1104) feeds back feeds back) * 2-first lane second dynamic automobile scale (1108) feeds back, or the numerical value that (numerical value that numerical value+second lane first dynamic automobile scale (1204) that first lane first dynamic automobile scale (1104) feeds back feeds back) * 2-second lane second dynamic automobile scale (1208) feeds back;

Step 6.3.1: during solo running standdle carrier road, the axle of measured axletree be heavily two the first dynamic automobile scales (1004) and;

In other words, the numerical value that numerical value+second lane first dynamic automobile scale (1204) fed back for first lane first dynamic automobile scale (1104) feeds back;

In other words, be the numerical value * 2 that first lane first dynamic automobile scale (1104) feeds back, or the numerical value * 2 that second lane first dynamic automobile scale (1204) feeds back;

Step 6.3.3: the weight of the axletree of institute's measuring car is the value that the value of first dynamic automobile scale (1004) of current lane deducts first dynamic automobile scale (1004) in another track;

In other words, the numerical value that numerical value-second lane first dynamic automobile scale (1204) fed back for first lane first dynamic automobile scale (1104) feeds back, or the numerical value that numerical value-first lane first dynamic automobile scale (1104) of feeding back of second lane first dynamic automobile scale (1204) feeds back;

Step 6.4: the weight of the axletree of institute's measuring car be four values of double two the first dynamic automobile scales (1004) measured and;

In other words, be the numerical value of numerical value+second lane first dynamic automobile scale (1204) second time feedback of numerical value+second lane first dynamic automobile scale (1204) first time feedback of numerical value+first lane first dynamic automobile scale (1104) second time feedback of first lane first dynamic automobile scale (1104) first time feedback;

Step 7: judge whether vehicle passes through completely:

Step 8: vehicle car weight information gathers and mates:

Gathered by the car weight information of the first single-chip microcomputer (4100) by all axletrees, and according to tire recognizer (2100) with the trigger instants of first lane first dynamic automobile scale (1104), second lane first dynamic automobile scale (1204) with apart from calculating car speed and estimating vehicle wheelbase, transmitting-receiving time variations according to ultrasonic probe calculates vehicle commander, send the data to second singlechip (4200), the car weight information that the license board information identified and the first single-chip microcomputer send is mated by second singlechip (4200);

Step 9: judge whether all vehicles entered all leave:

Step 10: the bicycle information of vehicles bag in all bicycle information of vehicles bags is packed by second singlechip (4200), is sent to server, and gets back to step 1 by network communication module (4300), prepares collecting vehicle information next time and mates.

10. to adopt described in claim 1 to 7 any the not information acquisition of parking vehicle car weight and the collection matching process of the system of mating, it is characterized in that:

Step 6: on the server according to the vehicle flowrate that the Data-Statistics of vehicle counter is real-time, according to the quantity of the Data-Statistics overloaded vehicle of overweight counter, according to both than Data-Statistics overloading ratio;