CN107356564A - A kind of remote vehicle emissions measurement system and its detection method - Google Patents
A kind of remote vehicle emissions measurement system and its detection method Download PDFInfo
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- CN107356564A CN107356564A CN201710537378.9A CN201710537378A CN107356564A CN 107356564 A CN107356564 A CN 107356564A CN 201710537378 A CN201710537378 A CN 201710537378A CN 107356564 A CN107356564 A CN 107356564A
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- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
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Abstract
The present invention relates to motor-vehicle tail-gas detection device technical field, specifically a kind of remote vehicle emissions measurement system and its detection method.Including emission measuring module, main control module, display module, speed measuring module, meteorological module and identification module, the emission measuring module is connected with the main control module by internet, the display module is connected with the main control module by converter, the speed measuring module is connected with the main control module by converter, the meteorological module is connected with the main control module by converter, the identification module is connected with the main control module internet, and industrial computer is connected with by internet on the main control module.The present invention can be measured each contaminant component in motor-vehicle tail-gas in real time, and the system has easy-to-operate, fast and efficiently advantage suitable for dress gasoline engine, the Tail gas measuring of all kinds of motor vehicles of diesel engine.
Description
Technical field
The present invention relates to motor-vehicle tail-gas detection device technical field, specifically a kind of remote vehicle emissions measurement system and
Its detection method.
Background technology
With the fast development of auto industry, China's motor vehicle and driver rapidly increase, according to Public Security Department of the Ministry of Public Security
Statistics, since two thousand and ten, motor vehicle increases more than 1,500 ten thousand every year, and driver increases ten thousand people more than 2000 every year.By the end of the year 2016,
National vehicle guaranteeding organic quantity is up to 2.9 hundred million, wherein 1.94 hundred million, automobile.New registration in 2016 registration automobile up to 27,520,000,
Recoverable amount has a net increase of 22,120,000, is all-time high.The ratio that automobile accounts for motor vehicle is constantly improve, nearly 5 years accountings from
50.39% brings up to 65.97%.There is the car ownership in 49 cities in the whole nation more than million, and 18 cities surpass 2,000,000,
6 cities surpass 3,000,000.Wherein 18 cities of the car ownership more than 2,000,000 be successively Beijing, Chengdu, Chongqing, on
Sea, Shenzhen, Suzhou, Tianjin, Zhengzhou, Xi'an, Hangzhou, Wuhan, Guangzhou, Shijiazhuang, Dongguan, Nanjing, Qingdao, Ningbo, Foshan.Vapour
The quick increase of car recoverable amount, immense pressure is brought to China's energy, environment.
Currently, China's Motor Vehicle Pollution Prevention situation very severe.First, vehicular emission total amount remains high.At present,
46,070,000 tons of all kinds of atmosphere pollutions of China's vehicular emission, wherein, NOXDischarge capacity accounts for the 1/3 of national total emission volumn.Second,
Newly-increased discharge pressure is huge.It was predicted that the coming five years China motor vehicle is by more than 100,000,000, newly-increased motor vehicle, new pollution thing row
Put 16,000,000 tons.Third, automobile pollution harm highlights.Motor vehicle has turned into the important pollution sources of China big and medium-sized cities.According to
A collection of air PM2.5 source resolution results are shown：The big cities such as Beijing, Shanghai and east dense population areas, motor vehicle is to PM2.5
The contribution of concentration is up to 15.0% to 52.1%.In addition, the World Health Organization in 2012 is lifted diesel exhaust by suspect carcinogen
For clear and definite carcinogenic substance.Therefore, strengthen tail gas pollution of motor-driven vehicle preventing and controlling, especially strengthen automotive emission supervision work
Make, be the important means for preventing and treating compound pollution of the big and medium-sized cities characterized by PM2.5 and ozone.But corresponding is motor-driven
Car discharges the deficiency of regulatory measure.
The content of the invention
For above-mentioned weak point of the prior art, the present invention is intended to provide a kind of automobile for being used to detect vehicle exhaust
System for remote exhaust emission measurement and its detection method.
In order to solve the above technical problems, a kind of remote vehicle emissions measurement system and its detection method of the present invention, including
Emission measuring module, main control module, display module, speed measuring module, meteorological module and identification module, the emission measuring module with
The main control module is connected by internet, and the display module is connected with the main control module by converter, described to test the speed
Module is connected with the main control module by converter, and the meteorological module is connected with the main control module by converter, institute
State identification module to be connected with the main control module internet, industrial computer is connected with by internet on the main control module.
Preferably, the emission measuring module includes telemetry host computer and remote measurement slave, and the telemetry host computer is surveyed for tail gas
Amount transmitting receives, and the remote measurement slave reflects for emission measuring.
Preferably, the display module is highlighted dot matrix screen, can real-time display tested vehicle data message.
Preferably, the speed measuring module is the speed acceleration analysis of narrow ripple radar meter or electronic time base, can be accurate
Divide the speed of measurement tested vehicle.
Preferably, the meteorological module is micro weather station, can be provided precisely for remote sensing survey in extreme climate environment
Ambient parameter.
Preferably, the identification module is ball high-speed camera of deploying to ensure effective monitoring and control of illegal activities.
Preferably, the industrial computer includes integrated emission measuring and demarcation control software, integrator's software and integrated wireless
Network interface card.
A kind of remote vehicle emissions measurement system and its detection method, comprise the following steps：
1) detection site
Uphill way of the selection with certain slope, there is a constant load when making by inspection vehicle by by inspection section；
2) environment is detected
Select without rain, mist, snow and substantially airborne dust weather, wind speed≤5.0m/s, temperature between -20.0~45.0 DEG C,
Relative humidity≤85.0%, atmospheric pressure is between 70.0~106.0kpa；
3) debugging of equipment
Opening is connected computer and analyzer with the system, instrument to be analyzed stably after, information is inputted on request, described in adjustment
Telemetry host computer and remote measurement slave in emission measuring module, speed measuring module is adjusted, adjust the focal length and aperture of identification module, then
Into Calibration interface, zero graduation and full scale calibration are carried out, calibration inspection is carried out with standard smoke intensity chi；
4) measurement and record
When tested vehicle enters detection site, the system automatic shooting vehicle photographic number simultaneously identifies, measurement vehicle traveling
Velocity and acceleration, check emission concentration, shoot lingemann blackness, calculate VSP values, and by the data and meter of collection
Result deposit database is calculated, completes vehicle detection.
Preferably, the VSP calculating formulas in the step 4) are：VSP=v (1.1 α+0.132+9.81sin θ)+3.02 ×
10-4v3, wherein, v is Vehicle Speed, and unit is " m/s ", and α is that vehicle travels acceleration, and unit is " m/s2", θ is road surface
Gradient angle, unit are " ° ".
Preferably, the interval time that tested vehicle passes through in the step 1) should be not less than 1.0s.
The remote vehicle emissions measurement system and its detection method of the present invention has advantages below：To in motor-vehicle tail-gas
Each contaminant component is measured in real time, tail gas inspection of the system suitable for dress gasoline engine, all kinds of motor vehicles of diesel engine
Survey；Tunable diode laser absorption spectroscopy technology TDLAS (Tunable Diode Laser are used to the CO/CO2 in tail gas
AbsorptionSpectroscopy) measure；Difference absorption spectrum technology DOAS is used to NO/HC
(DifferentialOptical Absorption Spectroscopy) is measured；To smoke intensity/absorption coefficient of light using green
Laser light transmission rate principle measures.Meanwhile system is also integrated with the speed acceleration analysis technology based on electronic time base, CCD
Licence plate captures the technology such as identification technology and environmental condition measurement, and the acquisition process that data are carried out by master control system collects, then passes through
Transmitted the result to by wireless network in the database of environmentally friendly authorities.It is the system operatio safe ready, quick, efficiently, be
The advanced technology of means for automatic monitoring motor-car tail gas.The method of the present invention can quickly measure the dirt obtained by measuring place vehicle
Thing concentration is contaminated, does not influence the normally travel of tested vehicle.
Brief description of the drawings
Fig. 1 is the remote vehicle emissions measurement system of the present invention and its structural representation of detection method；
Fig. 2 is the flow chart of the remote vehicle emissions measurement system and its detection method of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
As shown in Figure 1-2, a kind of remote vehicle emissions measurement system and its detection method of the invention, including emission measuring
Module 1, main control module 2, display module 3, speed measuring module 4, meteorological module 5 and identification module 6, the emission measuring module 1 with
The main control module 2 is connected by internet, and the display module 3 is connected with the main control module 2 by converter, the survey
Fast module 3 is connected with the main control module 2 by converter, and the meteorological module 3 is connected with the main control module 2 by converter
Connect, the identification module 6 is connected with the internet of main control module 2, is connected with the main control module 2 by internet
Industrial computer 7.
Further, the emission measuring module 1 includes telemetry host computer and remote measurement slave, and the telemetry host computer is used for tail gas
Measurement transmitting receives, and the remote measurement slave reflects for emission measuring.
Further, the display module 3 is highlighted dot matrix screen, can real-time display tested vehicle data message.
Further, the speed measuring module 4 is the speed acceleration analysis of narrow ripple radar meter or electronic time base, can essence
The really speed of point measurement tested vehicle.
Further, the meteorological module 5 is micro weather station, can provide essence in extreme climate environment for remote sensing survey
Quasi parameter.
Further, the identification module 6 is ball high-speed camera of deploying to ensure effective monitoring and control of illegal activities.
Further, the industrial computer 7 includes integrated emission measuring and demarcation control software, integrator's software and integrated nothing
Gauze card.
Remote vehicle emissions measurement system and its detection method, comprise the following steps：
1) detection site
Uphill way of the selection with certain slope, there is a constant load when making by inspection vehicle by by inspection section；
2) environment is detected
Select without rain, mist, snow and substantially airborne dust weather, wind speed≤5.0m/s, temperature between -20.0~45.0 DEG C,
Relative humidity≤85.0%, atmospheric pressure is between 70.0~106.0kpa；
3) debugging of equipment
Opening is connected computer and analyzer with the system, instrument to be analyzed stably after, information is inputted on request, described in adjustment
Telemetry host computer and remote measurement slave in emission measuring module 1, speed measuring module 4 is adjusted, adjusts the focal length and aperture of identification module 6,
Subsequently into Calibration interface, zero graduation and full scale calibration are carried out, calibration inspection is carried out with standard smoke intensity chi；
4) measurement and record
When tested vehicle enters detection site, the system automatic shooting vehicle photographic number simultaneously identifies, measurement vehicle traveling
Velocity and acceleration, check emission concentration, shoot lingemann blackness, calculate VSP values, and by the data and meter of collection
Result deposit database is calculated, completes vehicle detection.
Further, the VSP calculating formulas in the step 4) are：VSP=v (1.1 α+0.132+9.81sin θ)+3.02
×10-4v3, wherein, v is Vehicle Speed, and unit is " m/s ", and α is that vehicle travels acceleration, and unit is " m/s2", θ is road
Face gradient angle, unit are " ° ".
Further, the interval time that tested vehicle passes through in the step 1) should be not less than 1.0s.
Different according to the fuel oil service condition of tested vehicle, it has different criterion, wherein, gasoline car is：
0.0kw/t≤VSP≤14.0kw/t, diesel vehicle are：α≥m/s2.If twice in succession and above pollution quality testing of the same race in 6 months
Survey data and exceed discharge value, or arbitrary continuation three times in have twice and above pollutant of the same race exceedes discharge value, then judge to be examined
Vehicle discharge is unqualified.
The present invention operation principle be：Light source is sent by the transmitting terminal of the telemetry host computer of emission measuring module 1, when automobile passes through
When crossing tested place, the receiving terminal of remote measurement slave, which receives spectral intensity and feature, to change, this feature and change generation
The table concentration of exhaust contaminant to be measured.
Specifically, the emission measuring module 1 of the present invention, can be applied to gasoline car, diesel vehicle and CNG fuel car test simultaneously
Survey, the exhaust gas component such as measurable CO, CO2, HC, NO, smoke intensity；CO/CO2 uses tunable diode laser absorption spectroscopy technology
TDLAS (TunableDiode Laser Absorption Spectroscopy) is measured；NO/HC uses Difference Absorption light
Spectrum skill DOAS (Differential Optical Absorption Spectroscopy) is measured；Smoke intensity/light absorbs system
Number is measured using green laser light transmission rate principle；Processing technology by invention built-in optical eyeglass using military project level, performance are steady
It is fixed reliable；The present invention is using international advanced light source and spectrometer.System supports self-timing calibration and manual calibration function, subtracts
The influences of the factor to testing result such as few environment temperature, illumination, background concentration；Speed measuring module 4 is that narrow ripple radar meter is (main
For fixed) and speed acceleration analysis (being mainly used in movable type) two ways of electronic time base it is optional, can accurately divide survey
Measure the speed of tested vehicle；Acceleration identifies, measures principle according to multiple spot, the transport condition of vehicle is accurately calculated, to vehicle
The reliability of data provides more fully Rule of judgment.Identification module 6 is ball high-speed camera of deploying to ensure effective monitoring and control of illegal activities, and catches car plate letter
Breath, the degree of accuracy are up to more than 95%, and night vision light compensating lamp can improve night Car license recognition rate.The meteorological module 5 is miniature meteorology
Stand, micro weather station includes totally digitilized high-precision sensor, includes ultrasonic wind speed, wind transducer, high accuracy number temperature
Degree, humidity machine baroceptor, light structure is compact, and high-strength structure design, can be remote sensing survey in extreme climate environment
Accurate ambient parameter is provided.Display module 3 using open air property highlight dot matrix screen, can real-time display tested vehicle data message.
Industrial computer 7 can data acquisition, data transfer, data judge, all operations such as data statistics and inquiry, remote control, work(
Energy is powerful, operation is flexible, visual strong, safety coefficient height.
Claims (10)
1. a kind of remote vehicle emissions measurement system and its detection method, it is characterised in that：Including emission measuring module (1), master
Control module (2), display module (3), speed measuring module (4), meteorological module (5) and identification module (6), the emission measuring module
(1) it is connected with the main control module (2) by internet, the display module (3) passes through converter with the main control module (2)
Connection, the speed measuring module (3) are connected with the main control module (2) by converter, the meteorological module (3) and the master control
Module (2) is connected by converter, and the identification module (6) is connected with the main control module (2) internet, the main control module
(2) industrial computer (7) is connected with by internet on.
2. a kind of remote vehicle emissions measurement system according to claim 1 and its detection method, it is characterised in that：It is described
Emission measuring module (1) includes telemetry host computer and remote measurement slave, and the telemetry host computer is used for emission measuring transmitting and received, described distant
Slave is surveyed to reflect for emission measuring.
3. a kind of remote vehicle emissions measurement system according to claim 1 and its detection method, it is characterised in that：It is described
Display module (3) is highlighted dot matrix screen, can real-time display tested vehicle data message.
4. a kind of remote vehicle emissions measurement system according to claim 1 and its detection method, it is characterised in that：It is described
Speed measuring module (4) is the speed acceleration analysis of narrow ripple radar meter or electronic time base, can accurately divide measurement tested vehicle
Speed.
5. a kind of remote vehicle emissions measurement system according to claim 1 and its detection method, it is characterised in that：It is described
Meteorological module (5) is micro weather station, can provide accurate ambient parameter in extreme climate environment for remote sensing survey.
6. a kind of remote vehicle emissions measurement system according to claim 1 and its detection method, it is characterised in that：It is described
Identification module (6) is ball high-speed camera of deploying to ensure effective monitoring and control of illegal activities.
7. a kind of remote vehicle emissions measurement system according to claim 1 and its detection method, it is characterised in that：It is described
Industrial computer (7) includes integrated emission measuring and demarcation control software, integrator's software and integrated wireless network interface card.
8. a kind of remote vehicle emissions measurement system and its detection method according to claim 1-7, it is characterised in that bag
Include following steps：
1) detection site
Uphill way of the selection with certain slope, there is a constant load when making by inspection vehicle by by inspection section；
2) environment is detected
The weather without rain, mist, snow and obvious airborne dust is selected, wind speed≤5.0m/s, temperature is between -20.0~45.0 DEG C, relatively
Humidity≤85.0%, atmospheric pressure is between 70.0~106.0kpa；
3) debugging of equipment
Opening is connected computer and analyzer with the system, after instrument to be analyzed is stable, inputs information on request, adjusts the tail gas
Telemetry host computer and remote measurement slave in measurement module (1), adjustment speed measuring module (4), the focal length and light of regulation identification module (6)
Circle, subsequently into Calibration interface, zero graduation and full scale calibration are carried out, calibration inspection is carried out with standard smoke intensity chi；
4) measurement and record
When tested vehicle enters detection site, the system automatic shooting vehicle photographic number simultaneously identifies, the speed of measurement vehicle traveling
Degree and acceleration, inspection emission concentration, shoot lingemann blackness, calculate VSP values, and by the data of collection and calculate knot
Fruit is stored in database, completes vehicle detection.
9. a kind of remote vehicle emissions measurement system according to claim 8 and its detection method, it is characterised in that：Institute
The VSP calculating formulas stated in step 4) are：VSP=v (1.1 α+0.132+9.81sin θ)+3.02 × 10-4v3, wherein, v is vehicle
Travel speed, unit are " m/s ", and α is that vehicle travels acceleration, and unit is " m/s2", θ is road gradient angle, and unit is
“°”。
10. a kind of remote vehicle emissions measurement system according to claim 8 and its detection method, it is characterised in that：Institute
1.0s should be not less than by stating the interval time that tested vehicle in step 1) passes through.
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Cited By (8)
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| CN108039047A (en) * | 2017-12-08 | 2018-05-15 | 天津同阳科技发展有限公司 | Detection station automatic management-control method based on remote exhaust emission detection |
| CN109238987A (en) * | 2018-10-11 | 2019-01-18 | 成都中安瑞晨科技有限责任公司 | A kind of multispectral vehicle exhaust monitoring device |
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| CN109856018A (en) * | 2019-01-08 | 2019-06-07 | 北京大方科技有限责任公司 | Smoke intensity detection device and smoke intensity detection method |
| CN110514790A (en) * | 2019-08-23 | 2019-11-29 | 南京新远见智能科技有限公司 | A kind of pair of set serial machine motor-car system for remote exhaust emission measurement and method |
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| WO2021088397A1 (en) * | 2019-11-06 | 2021-05-14 | 北京理工大学 | Diesel vehicle gaseous exhaust pollutant remote sensing test system and method |
| CN109856018B (en) * | 2019-01-08 | 2024-06-07 | 北京大方科技有限责任公司 | Smoke intensity detection equipment and smoke intensity detection method |
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| WO2021088397A1 (en) * | 2019-11-06 | 2021-05-14 | 北京理工大学 | Diesel vehicle gaseous exhaust pollutant remote sensing test system and method |
| CN112113911A (en) * | 2020-08-18 | 2020-12-22 | 北京理工大学 | Remote sensing big data detection method and system for automobile exhaust emission of ignition engine |
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