CN203966335U - Many characteristic quantities comprehensive traffic detection system of facing multiple users group - Google Patents
Many characteristic quantities comprehensive traffic detection system of facing multiple users group Download PDFInfo
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- CN203966335U CN203966335U CN201420105960.XU CN201420105960U CN203966335U CN 203966335 U CN203966335 U CN 203966335U CN 201420105960 U CN201420105960 U CN 201420105960U CN 203966335 U CN203966335 U CN 203966335U
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Abstract
The many characteristic quantities comprehensive traffic detection system that the utility model discloses a kind of facing multiple users group, belongs to traffic detection technique field.This system comprises Intelligent weighing device, video detecting device, license plate recognition device, on-the-spot industrial computer and remote server; Intelligent weighing device, video detecting device are connected with on-the-spot industrial computer by serial ports or cable network communication modes respectively, between on-the-spot industrial computer and remote server, adopt cable network or 2G/3G wireless network communication mode to be connected.Native system adopts various ways to detect Traffic Information, advantage in conjunction with multiple detection technique, by having complementary functions, Combinatorial Optimization and data fusion etc., realize and detect highway network dynamic traffic data comprehensively and exactly, can well serve Road Design, construction, operation, maintenance, and expressway network toll, freeway toll station toll automatically calculate, the fields such as investigation, road maintenance management are carried in the detection of automatically transfiniting, transport investigation, axle.
Description
Technical field
The utility model belongs to traffic detection technique field, relates to many characteristic quantities comprehensive traffic detection system of a kind of facing multiple users group.
Background technology
Acceleration braiding along with the flourish of national economy and the road transport system that extends in all direction, on the one hand, contradiction between trip demand and movement capacity is more and more significant: the ratio of the big-and-middle-sized goods stock in communications and transportation increases day by day, the volume of traffic rises rapidly, overload of vehicle, it is more and more general and serious that the phenomenon that transfinites also becomes, these situations have not only strengthened pavement damage degree, also for people's trip brings potential safety hazard, accelerated market detects and control having vehicle for this reason automatically, transport investigation, axle carries the urgent demand of the functional products such as investigation, on the other hand, the toll of expressway also will be more and more huger, and the interests that the rationality of multipath section charge and fairness directly affect investor, administration and supervision authorities and road user.How to improve charge station's vehicle pass-through speed, rationality and the fairness of how effectively to carry out expressway charge management, the charge of raising multipath section have become extremely urgent problem.
Developed countries, also existing vehicle detection technology being done to further in depth research, attempts to improve accuracy of detection at present, expands usable range.Traditional magnetic detects frequently, ripple frequently vehicle detection and video detection technology there is the problems such as mission life, environment for use and reliability, and maximum defect is that they can only provide a small amount of information separately, cannot meet the needs of Modern Traffic management.From internal practice, the utilization of mutually arranging in pairs or groups of multiple detection technique, is more real way.Every kind of detection technique has it to detect the restriction in principle, cannot obtain required all traffic parameters, therefore, extremely be necessary the advantage of the various detection techniques of integrated application, by having complementary functions, Combinatorial Optimization and data fusion etc., realize comprehensively and detect exactly highway network dynamic traffic data.
Utility model content
In view of this, the purpose of this utility model is to provide many characteristic quantities comprehensive traffic detection system of a kind of facing multiple users group, by having complementary functions, the mode such as Combinatorial Optimization and data fusion, realizes and detects all-sidedly and accurately highway network dynamic traffic data.
For achieving the above object, the utility model provides following technical scheme:
Many characteristic quantities comprehensive traffic detection system of facing multiple users group, comprises Intelligent weighing device, video detecting device, license plate recognition device, on-the-spot industrial computer and remote server; Intelligent weighing device, video detecting device are connected with on-the-spot industrial computer by serial ports or cable network communication modes respectively, between on-the-spot industrial computer and remote server, adopt cable network or 2G/3G wireless network communication mode to be connected.
Further, described Intelligent weighing device comprises that bending plate sensor, electromagnetism involve laser range finder, signal condition module and intelligent weighing indicator; Bending plate sensor, electromagnetism involve laser range finder and by cable, are connected with intelligent weighing indicator respectively, bending plate sensor is for gathering weight data and the data that collect being sent to intelligent weighing indicator after signal condition resume module, electromagnetism involves laser range finder for measuring vehicle profile and range data and data is sent to intelligent weighing indicator, and intelligent weighing indicator is sent and weighs and distance detection data to on-the-spot industrial computer by RS232 serial ports.
Further, described bending plate sensor adopts non-statically determinate system structure, uses the special steel spring plate of large area as weighing plate, adopts precision optical machinery processing technology and Technology for Heating Processing to make sensor have good high frequency response performance; Meanwhile, this technology adopts multi-layer sealed technique and proprietary Sealing Technology to improve the permanance of sensor; The output of bending plate type sensor internal signal has adopted proprietary isostatic compensation technology, has guaranteed the horizontal consistance of weighing apparatus.
Further, described video detecting device comprises video camera and video detector, video camera is for taking and video data is sent to video detector by video cables track video, and mode and on-the-spot industrial computer that video detector connects by serial ports after video data is processed carry out communication.
Further, described on-the-spot industrial computer comprises that embedded main board, quantity are at least RS232 interface, LAN interface and the power module of two; On-the-spot industrial computer by 2 RS232 interfaces respectively with video detecting device, Intelligent weighing device communication, by 2 LAN interface respectively with license plate recognition device and remote server communication.
Described remote server receives the data that on-the-spot industrial computer sends, and obtains final vehicle data; Remote server comprises data receiver, data fusion, data storage three large modules; Remote server is based on B/S mode configuration, be divided into data Layer, service layer and user interface layer, vehicle data after data Layer storage is merged, service layer forms diversified special service on data Layer basis, and to user interface layer, provide service with the form of service interface, to different user group, provide transport investigation, the services such as detection, weight metering charging of transfiniting automatically.
The beneficial effects of the utility model are: many characteristic quantities comprehensive traffic detection system of the facing multiple users group that the utility model provides adopts various ways to detect Traffic Information, advantage in conjunction with multiple detection technique, by having complementary functions, Combinatorial Optimization and data fusion etc., realize comprehensively and detect exactly highway network dynamic traffic data.The comprehensive vehicle characteristics amount that system provides, can serve Road Design, construction, operation, maintenance, be applied in that expressway network toll Toll Distribution, freeway toll station toll automatically calculate, the detection of automatically transfiniting, transport investigation, axle carry the fields such as investigation, road maintenance management, greatly improve the robotization of relevant traffic unit, level of digital, can better safeguard highway proprietor, operator and user's interests.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, the utility model provides following accompanying drawing to describe:
Fig. 1 is system global structure figure;
Fig. 2 is system divides structural representation;
Fig. 3 is on-the-spot industrial control computer structure schematic diagram;
Fig. 4 is automobile video frequency testing process schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
The utility model provides many characteristic quantities comprehensive traffic detection system of a kind of facing multiple users group, in conjunction with multiple sensors detection technique, can obtain the multiple vehicular traffic data such as vehicle flow, vehicle, speed, acceleration, wheel load, axle weight, axle group weight, gross weight, equivalent axles, wheelbase, overall height, vehicle commander, overall width, vehicle ' s contour, transit time, travel direction, overweight, hypervelocity, car plate, vehicle pictures, vehicle is carried out to digitizing and dynamic modeling.
Fig. 1 is system global structure figure, and as shown in the figure, this system comprises Intelligent weighing device, video detecting device, license plate recognition device, on-the-spot industrial computer and remote server; Intelligent weighing device, video detecting device are connected with on-the-spot industrial computer by serial ports or cable network communication modes respectively, between on-the-spot industrial computer and remote server, adopt cable network or 2G/3G wireless network communication mode to be connected, Fig. 2 is system divides structural representation.
Wherein, Intelligent weighing device comprises that bending plate sensor, electromagnetism involve laser range finder, signal condition module and intelligent weighing indicator; Bending plate sensor, electromagnetism involve laser range finder and by cable, are connected with intelligent weighing indicator respectively, bending plate sensor is for gathering weight data and the data that collect being sent to intelligent weighing indicator after signal condition resume module, electromagnetism involves laser range finder for measuring vehicle profile and range data and data is sent to intelligent weighing indicator, and intelligent weighing indicator is sent and weighs and distance detection data to on-the-spot industrial computer by RS232 serial ports.Intelligent weighing indicator is mainly used in gathering bent plate data and electromagnetism involves laser range finder data, and calculate by analysis, can obtain the data such as wheel load, axle weight, axle group weight, gross weight, equivalent axles, wheelbase, vehicle, vehicle commander, overall width, overall height, vehicle ' s contour, transit time, speed, acceleration, vehicle flow, hypervelocity.
The core technology of bending plate sensor has been broken away from the constraint of traditional sensors based on statically determinate structure measure theory, courageously, based on non-statically determinate system structural design, greatly reduces structural thickness, has guaranteed high speed dynamic response frequency; This technology is only used the special steel spring plate of large area as weighing plate, adopts precision optical machinery processing technology and Technology for Heating Processing to make sensor have good high frequency response performance; Meanwhile, this technology adopts multi-layer sealed technique and proprietary Sealing Technology to improve the permanance of sensor; The output of bending plate type sensor internal signal has adopted proprietary isostatic compensation technology, has guaranteed the horizontal consistance of weighing apparatus.Signal condition module is for being converted to effective level signal by bending plate sensor signal, and to level signal amplify, filtering, linear compensation, isolation, protection etc., make level signal meet the impedance matching requirement of rear end instrument capture card.
Specifically, intelligent weighing indicator is the control center of this Intelligent weighing device, the main vehicular characteristics data of being responsible for after the collection of control original vehicle data, processing in real time and transmission processing.In real-time processing data process, utilize Integral Theory to obtain weight data, rudimentary algorithm is as shown in the formula shown in (1),
W＝K*I*V （1）
In formula:
W---weight;
K---sensor weight coefficient;
I---integral of pulse shape,
val
ifor discrete AD value, Freq represents sample frequency;
V---car speed.
Electromagnetism involves laser range finder first to be measured vehicle section profile by laser technology and based on phase place mode, phase type range finding is that electric wave is carried out amplitude modulation(PAM) and measure modulating wave coming and going the phase delay that survey line once produced, again according to the wavelength of modulating wave, the convert distance of this phase delay representative, measures bright dipping through coming and going the required time of survey line by indirect method.
Intelligent weighing indicator is as the kernel control module of Intelligent weighing device, and based on PC104-X86 mechanical development, hardware platform is comprised of Embedded PC/104,12 AD cards and 12 DA cards, and operation platform is selected WindowCE5.0.During system works, two of bending plate sensors are installed in each left and right, track, and 6 meters, distance by stadimeter ground is high, and perpendicular to first bending plate sensor and track center line, bending plate sensor and stadimeter are respectively by cable access intelligent weighing indicator.In addition, intelligent weighing indicator is sent and weighs and laser detection data to on-the-spot industrial computer by RS232 serial ports.
Video detecting device is mainly used in acquisition camera data, and calculates by analysis, obtains the data such as vehicle commander, overall width, vehicle ' s contour, car plate, vehicle pictures, speed, acceleration, travel direction, vehicle, transit time, vehicle flow, hypervelocity.The identification of video testing process application mode, image processing techniques, moving vehicle successive image frame is carried out to analyzing and processing, the main technology and calculating methods such as renewal, image difference processing, image binaryzation, morphologic filtering, shadow removal, tracing of the movement of setting up image background model, image background model that adopt, use SD camera analyses successive image frame, identification moving vehicle, obtains vehicle image exterior contour; Use the soft triggering of high definition camera or hard triggering to capture high definition vehicle picture simultaneously, analyze and capture vehicle image local grain.
In the present embodiment, video detecting device comprises video camera and video detector, video camera is for taking and video data is sent to video detector by video cables track video, and mode and on-the-spot industrial computer that video detector connects by serial ports after video data is processed carry out communication.High-definition camera or SD video camera can be responsible for the video capture in a plurality of tracks in certain area, and access video detector by video cables.Video detector and on-the-spot industrial computer are with the communication of serial ports connected mode.
Video detector is as the kernel control module of video detecting device, its hardware platform is comprised of video frequency collection card and Embedded PC/104, operation platform is selected WindowsXPEmbedded, and development environment adopts VisualStudio2008, and configuration image is processed the module OpenCV that increases income.The flow process that automobile video frequency detects as shown in Figure 4.
On-the-spot industrial computer is mainly used in receiving intelligent weighing indicator data, automobile video frequency detector data, license plate identification data, carries out preliminary data processing, and is uploaded to service end.Fig. 3 is on-the-spot industrial control computer structure schematic diagram.On-the-spot industrial computer comprises that embedded main board, quantity are at least RS232 interface, LAN interface and the power module of two; On-the-spot industrial computer by 2 RS232 interfaces respectively with video detecting device, Intelligent weighing device communication, by 2 LAN interface respectively with license plate recognition device and remote server communication.
Remote server receives the data that on-the-spot industrial computer sends, and obtains final vehicle data; Remote server comprises data receiver, data fusion, data storage three large modules; Remote server is based on B/S mode configuration, be divided into data Layer, service layer and user interface layer, vehicle data after data Layer storage is merged, service layer forms diversified special service on data Layer basis, and to user interface layer, provide service with the form of service interface, to different user group, provide transport investigation, the services such as detection, weight metering charging of transfiniting automatically.
Finally explanation is, above preferred embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can to it, make various changes in the form and details, and not depart from the utility model claims limited range.
Claims (5)
1. many characteristic quantities comprehensive traffic detection system of facing multiple users group, is characterized in that: comprise Intelligent weighing device, video detecting device, license plate recognition device, on-the-spot industrial computer and remote server; Intelligent weighing device, video detecting device are connected with on-the-spot industrial computer by serial ports or cable network communication modes respectively, between on-the-spot industrial computer and remote server, adopt cable network or 2G/3G wireless network communication mode to be connected.
2. many characteristic quantities comprehensive traffic detection system of a kind of facing multiple users group according to claim 1, is characterized in that: described Intelligent weighing device comprises that bending plate sensor, electromagnetism involve laser range finder, signal condition module and intelligent weighing indicator; Bending plate sensor, electromagnetism involve laser range finder and by cable, are connected with intelligent weighing indicator respectively, bending plate sensor is for gathering weight data and the data that collect being sent to intelligent weighing indicator after signal condition resume module, electromagnetism involves laser range finder for measuring vehicle profile and range data and data is sent to intelligent weighing indicator, and intelligent weighing indicator is sent and weighs and distance detection data to on-the-spot industrial computer by RS232 serial ports.
3. many characteristic quantities comprehensive traffic detection system of a kind of facing multiple users group according to claim 2, is characterized in that: described bending plate sensor adopts non-statically determinate system structure.
4. many characteristic quantities comprehensive traffic detection system of a kind of facing multiple users group according to claim 1, it is characterized in that: described video detecting device comprises video camera and video detector, video camera is for taking and video data is sent to video detector by video cables track video, and mode and on-the-spot industrial computer that video detector connects by serial ports after video data is processed carry out communication.
5. many characteristic quantities comprehensive traffic detection system of a kind of facing multiple users group according to claim 1, is characterized in that: described on-the-spot industrial computer comprises that embedded main board, quantity are at least RS232 interface, LAN interface and the power module of two; On-the-spot industrial computer by 2 RS232 interfaces respectively with video detecting device, Intelligent weighing device communication, by 2 LAN interface respectively with license plate recognition device and remote server communication.
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| CN201420105960.XU CN203966335U (en) | 2014-03-10 | 2014-03-10 | Many characteristic quantities comprehensive traffic detection system of facing multiple users group |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103810855A (en) * | 2014-03-10 | 2014-05-21 | 重庆市华驰交通科技有限公司 | Multi-characteristic quantity comprehensive traffic detection system oriented to multi-user group |
| CN109544933A (en) * | 2018-12-19 | 2019-03-29 | 广东赛诺科技股份有限公司 | A kind of evaluation of pavement condition method based on vehicle overload overload data |
-
2014
- 2014-03-10 CN CN201420105960.XU patent/CN203966335U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103810855A (en) * | 2014-03-10 | 2014-05-21 | 重庆市华驰交通科技有限公司 | Multi-characteristic quantity comprehensive traffic detection system oriented to multi-user group |
| CN109544933A (en) * | 2018-12-19 | 2019-03-29 | 广东赛诺科技股份有限公司 | A kind of evaluation of pavement condition method based on vehicle overload overload data |
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Granted publication date: 20141126 Termination date: 20190310 |
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