CN110738841A - novel traffic monitoring system integrating vehicle pollutant emission real-time detection - Google Patents
novel traffic monitoring system integrating vehicle pollutant emission real-time detection Download PDFInfo
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- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 96
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 28
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- 238000004458 analytical method Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 55
- 238000004891 communication Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims description 2
- 238000001745 non-dispersive infrared spectroscopy Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 3
- 238000002329 infrared spectrum Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000010223 real-time analysis Methods 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
- G08G1/0133—Traffic data processing for classifying traffic situation
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/065—Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
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Abstract
The invention provides an novel traffic monitoring system integrating real-time detection of vehicle pollutant emission, which belongs to the technical field of traffic transportation monitoring and is characterized by comprising an automatic vehicle identification module, an infrared real-time detection module, an infrared analysis module, a data feedback display module and a vehicle pollutant emission database.
Description
Technical Field
The invention belongs to the technical field of traffic transportation monitoring, and particularly relates to a novel traffic monitoring system for integrated vehicle pollutant emission real-time detection.
Background
At present, the vehicle exhaust emission detection is mainly performed by a vehicle safety technology detection mechanism, namely an idle method and a double idle method, but the two methods are non-load detection methods for vehicle exhaust detection, although the methods are simpler and have low detection cost, the vehicle is not loaded, the authenticity and representativeness of the detection result are insufficient, and the pollutant condition of the vehicle emission in the driving process cannot be accurately reflected, so technologies for detecting the vehicle pollutant emission in real time are lacked in the conventional traffic monitoring device system, traffic monitoring device systems capable of detecting the vehicle pollutant emission in real time are designed, the traffic monitoring device systems not only have the function of monitoring the traffic condition in real time, but also can feed the vehicle pollutant emission back to a traffic monitoring pipe in real time to perform real-time dynamic quantitative analysis on the real-time detection data of the vehicle exhaust emission and the urban road congestion.
Disclosure of Invention
In order to solve the above problems, the invention provides novel traffic monitoring systems integrating vehicle pollutant emission real-time detection, which monitor pollutants emitted by vehicles in real time and feed monitoring results back to the vehicle main and traffic supervision pipes in time, so as to make up for the defects of the existing vehicle exhaust emission detection methods.
In order to achieve the purpose, the invention provides novel traffic monitoring systems integrating vehicle pollutant emission real-time detection, and the systems are composed of a vehicle automatic identification module, an infrared real-time detection module, an infrared analysis module, a data feedback display module and a vehicle pollutant emission database.
And the vehicle automatic identification module is used for carrying out automatic authentication and identification on the vehicles passing through the infrared detection area, and meanwhile, collecting and counting the vehicle speed and traffic volume information of the vehicles passing through the detection area.
Specifically, the vehicle automatic identification module collects license plate, vehicle type and color vehicle information, utilizes the license plate number to call the vehicle information in a vehicle registration information base, completes the identity identification of the vehicle, and is used for a follow-up module to update and record the pollutant emission detection result of the vehicle.
In particular, the vehicle pollutants disclosed by the invention are particularly vehicle exhaust emissions.
The infrared real-time detection module at least comprises an infrared transmitting device, a radiation detector and an infrared receiving device and is used for detecting the pollutant components and content in pollutants discharged by the vehicle.
The infrared transmitting device transmits infrared rays with fixed wavelength and is received by the infrared receiving device, and by utilizing a non-dispersive infrared spectroscopy technology, when a vehicle enters a detection area, infrared transmission is influenced by tail gas pollutants, so that the infrared rays received by the infrared receiving device are changed; the radiation detector promotes infrared rays to react with CO and THC, absorbs infrared energy and ionizes, and the radiation detector receives the generated electric signals to obtain pollutant emission data.
And the infrared analysis module is used for carrying out data processing analysis on the collected vehicle pollutants and judging whether the pollutant emission of the passing vehicle meets the corresponding national vehicle pollutant emission standard.
Preferably, the detection of CO and THC is achieved according to the selective absorption characteristics of different gases for different wavelengths of infrared light.
And the data feedback display module is composed of a variable LED display screen, an electronic camera device, communication equipment and an online query subsystem, and is used for transmitting the judgment result of the infrared analysis module to a vehicle pollutant discharge database and feeding back the judgment result to a vehicle owner and a related traffic supervision part in a form determined by .
The variable LED display screen provides real-time vehicle pollutant emission information for a vehicle driver with unqualified infrared detection, the variable LED display screen is arranged in front of an infrared monitoring area so that the vehicle driver can conveniently see detection results in time, when the emission of the detected vehicle pollutants exceeds the standard, the electronic camera device is excited to take pictures and obtain evidence of the vehicle with the standard vehicle pollutant detection, the communication equipment feeds back the detection results of the vehicle pollutant emission, such as mobile phone short messages and mailboxes, to the vehicle owner and the traffic supervision pipe portion in a -defined mode, and the online inquiry subsystem can realize that the vehicle owner can check and confirm the detection results of the vehicle pollutants at any time and any place.
Particularly, when the vehicle is detected to be qualified, the variable LED display screen and the electronic shooting device do not act, and the communication equipment does not send the detection result to the vehicle owner.
And the vehicle pollutant emission database is used for recording and storing vehicle identity information and pollutant emission detection results, shooting and obtaining evidence, and assisting in finishing updating and recording the pollutant emission detection results of the vehicle.
The novel traffic monitoring system integrating the real-time detection of vehicle pollutant emission provided by the invention feeds back the measured information data of each detection point to the road-related traffic supervision department through a satellite navigation positioning system, and provides the vehicle pollutant emission information of each detection point for the road traffic supervision department to implement comprehensive and accurate real-time networking monitoring on all vehicles in a large range.
The invention collects the traffic volume and the speed of the motor vehicle to be detected through infrared rays through the vehicle automatic identification module, and simultaneously feeds back the data to the road traffic supervision part by utilizing the advanced internet technology and the satellite navigation positioning system as the road traffic jam data.
In addition, the novel traffic monitoring system integrating the real-time detection of the vehicle pollutant emission provided by the invention can also realize the monitoring and judgment of the traffic congestion degree of the related road sections, for example, the severity of the traffic jam in the infrared detection area can be reflected by acquiring the traffic volume of vehicles in the infrared detection area, the speed of the vehicles and the concentration of CO.
The invention discloses an application method of a novel traffic monitoring system integrating vehicle pollutant emission real-time detection, which specifically comprises the following steps:
step S1: when a vehicle enters an infrared region to be detected (namely an automatic vehicle identification region), the automatic vehicle identification module collects license plates, vehicle types and colors, and utilizes the license plate number to call out vehicle information in a vehicle registration information library so as to complete identity identification and authentication of the vehicle.
And S2, detecting the vehicle entering the infrared detection area by the infrared real-time detection module, specifically, automatically scanning the vehicle body by infrared rays emitted by the infrared emission device, receiving the infrared rays absorbed by the vehicle pollutants (mainly CO and THC) under the influence of the radiation detector by the infrared receiving device, preliminarily obtaining vehicle pollutant emission data, and transmitting the preliminary detection result to the infrared analysis module for further analysis in step .
Step S3: the infrared analysis module analyzes and processes the received infrared spectrum information data, detects the contents of CO and THC in pollutants discharged by the detected vehicle, compares the analysis result with the corresponding national vehicle pollutant discharge standard, judges whether the pollutant discharge of the vehicle meets the national vehicle pollutant discharge standard or not, if the pollutant discharge of the vehicle is qualified, the system automatically updates the relevant information of the vehicle in a vehicle pollutant discharge database, the variable LED display screen and the electronic shooting device do not act, the communication equipment does not send the detection result to the vehicle owner, and the vehicle continues to run; otherwise, go to step S4.
The method comprises the steps of S4, automatically updating relevant information of a vehicle in a vehicle pollutant emission database by a system, displaying information similar to ' excessive vehicle exhaust emission with license plate number XXX ' by a variable LED display screen, exciting an electronic camera to take pictures and evidence of vehicles with excessive vehicle pollutant detection ', and timely feeding back vehicle pollutant emission detection results such as mobile phone short messages and mailboxes to an owner and a traffic supervision part in a form by communication equipment and requiring the owner to go to a specified place for vehicle pollutant emission recheck within a fixed period.
Step S5: and if the vehicle pollutant emission is qualified, correcting the information of the vehicle pollutant emission database according to the rechecking result, and otherwise, turning to S6.
Step S6: and (4) carrying out punishment on the relevant vehicle and the vehicle owner according to the rechecking result, and inputting the punishment result into a vehicle pollutant emission database.
Compared with the prior art, the method disclosed by the invention fills up the technical blank of the existing real-time vehicle pollutant emission measurement, has a reliable design principle, provides a new real-time index for the real-time analysis of road vehicle congestion while monitoring the vehicle pollutant emission in real time by using an advanced technology, has high reliability and strong pertinence, can fill up the technical loophole of the real-time vehicle pollutant emission detection, improves the operation management of road traffic, and has a very wide application value and prospect.
Drawings
Fig. 1 is a schematic structural diagram of a system module of the present invention.
Fig. 2 is a schematic flow chart of the working principle process of the invention.
Fig. 3 is a schematic view of an infrared detection arrangement according to the present invention.
Numerical description in the drawings of the specification:
31-automatic vehicle identification means; 321-infrared emitting means; 322-infrared receiving means; 33-variable LED display screen; 34-an electronic camera device; 35-satellite.
Detailed Description
While the present invention will be described in connection with specific embodiments set forth below for the purpose of providing a better understanding of the present invention, it should be understood that the description is made only by way of example and not as a limitation on the scope of the invention.
The invention provides novel traffic monitoring systems integrating vehicle pollutant emission real-time detection.
The invention discloses a novel traffic monitoring system integrating real-time detection of vehicle pollutant emission, which comprises the following steps:
step S1: when the vehicle A enters an infrared region to be detected (namely, an automatic vehicle identification region), the automatic vehicle identification module collects license plate, vehicle type and color information, and utilizes the license plate number to call out the vehicle information in the vehicle registration information base so as to complete the identity identification and authentication of the vehicle.
And S2, detecting the vehicle entering the infrared detection area by the infrared real-time detection module, specifically, automatically scanning the vehicle body by infrared rays emitted by the infrared emission device, receiving the infrared rays absorbed by the vehicle pollutants (mainly CO and THC) under the influence of the radiation detector by the infrared receiving device, preliminarily obtaining the pollutant emission data of the vehicle A, and transmitting the preliminary detection result to the infrared analysis module for further analysis .
Step S3: the infrared analysis module analyzes and processes the received infrared spectrum information data, detects the contents of CO and THC in pollutants discharged by the detected vehicle A, compares the analysis result with the corresponding national vehicle pollutant discharge standard, judges whether the pollutant discharge of the vehicle A meets the national vehicle pollutant discharge standard or not, if the pollutant discharge of the vehicle A is qualified, the system automatically updates the relevant information of the vehicle in a vehicle pollutant discharge database, the variable LED display screen and the electronic shooting device do not act, the communication equipment does not send the detection result to the vehicle owner, and the vehicle A continues to run; otherwise, go to step S4.
The method comprises the following steps of S4, automatically updating vehicle related information in a vehicle A pollutant emission database by a system, displaying information similar to ' excessive vehicle tail gas emission with license plate number XXX ' by a variable LED display screen, triggering an electronic camera to take pictures and evidence of vehicles with excessive vehicle pollutant detection ', and timely feeding back vehicle pollutant emission detection results such as mobile phone short messages and mailboxes to an owner and a traffic supervision part in a fixed form by communication equipment and requiring the owner to go to a specified place for vehicle pollutant emission recheck within a fixed period.
Step S5: and if the vehicle pollutant emission is qualified, correcting the information of the vehicle pollutant emission database according to the rechecking result, and otherwise, turning to S6.
Step S6: and (4) carrying out punishment on the relevant vehicle and the vehicle owner according to the rechecking result, and inputting the punishment result into a vehicle pollutant emission database.
Compared with the prior art, the invention fills the technical blank of measuring the pollutants of the vehicle in real time, does not need to insert a sampling tube of a motor vehicle exhaust analyzer into an exhaust hole for sampling, and can realize the real-time detection of the vehicle passing through an infrared detection area based on a non-dispersive infrared analysis technology.
In addition, utilize advanced internet technology and satellite navigation positioning system can accomplish the real-time supervision to each check point on a large scale in the region, the novel reliability of this experiment is high, and easy operation can fill vehicle pollutant discharge real-time detection's technical leak, improves road traffic's operation management, protects ecological environment.
The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention, for example, the CO detection by the non-dispersive infrared technology and the infrared detection device in the present experimental novel model is replaced by the ultraviolet method for SO detection2Fluorescence released when the molecule returns to the ground state from excitation, and measuring the intensity of light to detect SO2Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (8)
1. The invention provides novel traffic monitoring systems integrating vehicle pollutant emission real-time detection.
2. The system of claim 1, wherein the vehicle automatic identification module is configured to perform automatic identification and authentication on vehicles passing through the infrared detection area, and collect and count vehicle speed and traffic volume information of vehicles passing through the detection area;
specifically, the vehicle automatic identification module collects license plates, vehicle types and colors, utilizes the license plate numbers to call out the vehicle information in a vehicle registration information base, completes the identity identification of the vehicle, and is used for a subsequent module to update and burn the pollutant emission detection result of the vehicle;
in particular, the vehicle pollutants disclosed by the invention are particularly vehicle exhaust emissions.
3. The new traffic monitoring system with integrated real-time detection of vehicle pollutant discharge according to claim 2, characterized in that the infrared real-time detection module at least comprises an infrared emitting device, a radiation detector and an infrared receiving device, and is used for detecting pollutant components and content in vehicle pollutant discharge;
the infrared transmitting device transmits infrared rays with fixed wavelength and is received by the infrared receiving device, and by utilizing a non-dispersive infrared spectroscopy technology, when a vehicle enters a detection area, infrared transmission is influenced by tail gas pollutants, so that the infrared rays received by the infrared receiving device are changed; the radiation detector promotes infrared rays to react with CO and THC, absorbs infrared energy and ionizes, and the radiation detector receives the generated electric signals to obtain pollutant emission data.
4. The system of claim 3, wherein the infrared analysis module is configured to perform data processing and analysis on the collected vehicle pollutants to determine whether the pollutant emissions of the passing vehicle meet the corresponding national vehicle pollutant emission standards;
preferably, the detection of CO and THC is achieved according to the selective absorption characteristics of different gases for different wavelengths of infrared light.
5. The novel traffic monitoring system integrating the real-time detection of vehicle pollutant emissions of claim 4, wherein the data feedback display module, specifically consisting of a variable LED display screen, an electronic camera device, a communication device and an online query subsystem, is used for transmitting the result of the infrared analysis module to a vehicle pollutant emissions database and simultaneously feeding back to the vehicle owner and a related traffic supervision department in a form determined by ;
the variable LED display screen provides real-time vehicle pollutant emission information for a vehicle driver with unqualified infrared detection, the variable LED display screen is arranged in front of an infrared monitoring area so that the vehicle driver can conveniently see a detection result in time, when the pollutant emission of a detected vehicle exceeds the standard, the electronic camera device is excited to take a picture of the vehicle with the standard pollutant detection and obtain evidence, the communication equipment feeds back the detection result of the vehicle pollutant emission, such as a mobile phone short message and an electronic mailbox, to a vehicle owner and a traffic supervision pipe in a -determined mode, and the online inquiry subsystem can realize that the vehicle owner can check and confirm the detection result of the vehicle pollutant on the line at any time and any place;
particularly, when the vehicle is detected to be qualified, the variable LED display screen and the electronic shooting device do not act, and the communication equipment does not send the detection result to the vehicle owner.
6. The new traffic monitoring system with integrated real-time vehicle pollutant discharge detection of claim 5, characterized in that the vehicle pollutant discharge database is used for recording and storing vehicle identity information, pollutant discharge detection results and shooting evidence data information, and assisting in completing the updating and recording of the pollutant discharge detection results of the vehicle.
7. The novel traffic monitoring system integrating real-time detection of vehicle pollutant emission according to claims 1-6 can also monitor and judge the traffic congestion degree of the relevant road section by acquiring the traffic volume and speed of vehicles in the infrared detection area, and the concentration of CO.
8. The novel traffic monitoring system integrating real-time detection of vehicle pollutant emission as claimed in claims 1-6 utilizes advanced internet technology and satellite navigation positioning system to feed back data to the road traffic supervision part , thereby realizing real-time monitoring of road traffic jam condition and providing it for the third party development platform.
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Application publication date: 20200131 |