CN202453201U - Vehicle emission detecting system by steady-state condition method - Google Patents
Vehicle emission detecting system by steady-state condition method Download PDFInfo
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- CN202453201U CN202453201U CN2012200888480U CN201220088848U CN202453201U CN 202453201 U CN202453201 U CN 202453201U CN 2012200888480 U CN2012200888480 U CN 2012200888480U CN 201220088848 U CN201220088848 U CN 201220088848U CN 202453201 U CN202453201 U CN 202453201U
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Abstract
The utility model relates to a vehicle emission detecting system by a steady-state condition method. The vehicle emission detecting system comprises a chassis dynamometer, a five-component tail gas analyzer, a weather analyzer, a cooling fan, a driver's assistant and an industrial personal computer, the chassis dynamometer is placed under a vehicle to be detected and simulates load when the vehicle runs on a road by a transient-state condition method, the transient-state condition method includes a 5025 running condition method and a 2540 running condition method, the five-component tail gas analyzer directly obtains concentration values of original emission gases, including CO, CO2, HC, NOX and O2, of the vehicle by a sampling probe of the five-component tail gas analyzer, the weather analyzer measures temperature, humidity and atmospheric pressure, and final data are transmitted to the industrial personal computer. The vehicle emission detecting system is high in measurement precision and simple and convenient to operate, really reflects actual tail gas emission conditions of the vehicle when the vehicle runs, and plays an important role in estimating the total weight of pollutant emission of motor vehicles and formulating a feasible motor vehicle pollutant control standard.
Description
Technical field
The utility model belongs to the automotive inspection equipment field, relates to a kind of steady state condition method motor vehicle emission detection system, can be widely used in departments such as vehicle production, car inspection and repair, vehicle detection.
Background technology
Along with socioeconomic continuous development, the growth at full speed of city automobile owning amount, the auto-pollution thing has become the major issue that many countries face.Compare abroad, the I/M system that the enforcement that China's vehicular emission standard and rules are set up compares later, more complete just begins, and only limits to a few big cities such as Beijing, Shanghai, Guangzhou.China's present vehicle in use discharging tail gas detects the main idling method that adopts, and this method belongs to non-loaded detection method, low price, test method simple and fast.But the shortcoming of this type detection method is to reflect the actual discharge characteristic of vehicle in travels down, so can't adapt to the needs of new car development.In addition along with the raising of environmental requirement; Increasing new and high technology as: electronic fuel injection, triple-effect catalytic unit, diesel oil high-pressure injection etc. are applied on automobile; Make simple non-loaded detection method have no idea to identify the Automotive Emission Pollution that this type modern technologies are made, so the application of steady state condition method motor vehicle emission detection system has also solved the puzzlement that the problems referred to above are brought.
Summary of the invention
The utility model problem to be solved is; Overcome the deficiency of prior art; A kind of steady state condition method motor vehicle emission detection system is provided; Measuring accuracy is high, and is easy and simple to handle, for emission status, the estimation motor vehicle emission gross mass of thoroughly evaluating vehicle and to formulate practicable vehicular pollutant control planning significant.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of steady state condition method motor vehicle emission detection system that provides according to the utility model; Comprise chassis dynamometer, five component exhaust analyzers, meteorologic analysis appearance, cooling blower, driver assistance, industrial computer; Described chassis dynamometer is placed in the tested vehicle below; Simulating vehicle is divided into 5025 and 2,540 two operating condition methods at travels down transient behavior method load, and the sampling probe that five component exhaust analyzers carry through instrument directly obtains the original emission gases CO of automobile, CO
2, HC, NO
X, O
2Concentration value, the meteorologic analysis appearance is measured temperature, humidity and atmospheric pressure, and final data all transfers to industrial computer.
It is to take following technical scheme further to realize that the utility model solves its technical matters:
Aforesaid five component exhaust analyzers are made up of gas sampling system, display processing system, Analysis on Fault Diagnosis system.
The detection platform that aforesaid chassis dynamometer is made up of underframe, cylinder, shaft coupling, current vortex machine, tachogenerator, force cell, variable-frequence governor, electromagnetic clutch power, controllable silicon current source, industrial control microcomputer and controlling computer are formed.
Aforesaid traffic analyzer is by gas collecting flexible pipe, blower fan, flow tube, flow sensor, O
2Zirconia sensor, temperature sensor, pressure transducer, gas waste gas flexible pipe are formed.
The detection control system is installed in the aforesaid industrial computer; Connect the chassis through serial port data line and survey worker's machine, five component exhaust analyzers; It is the vehicle offered load that worker's machine simulated roadway resistance is surveyed on the control chassis; Control exhaust analyzer image data, whether acquisition data and GB contrast draw vehicle detection qualified.
The utility model compared with prior art has a bit significant and beneficial effect.
The utility model is higher than existing double idle detection method far away on detection accuracy and enforceability, double idle detection method inactivity loads, measurement be automobile no-load running the time exhaust emissions numerical value, be not inconsistent with the actual vehicle situation; The operating condition method detection mode is the various resistances in the simulation actual travel road conditions, loads power with chassis dynamometer, makes automobile just can reach the effect of road examination in the original place.Continuous appearance along with new and high technology; Be applied on automobile like electronic fuel injection, triple-effect catalytic unit, diesel oil high-pressure injection etc., make simple non-loaded detection method have no idea to identify the Automotive Emission Pollution that this type modern technologies are made, and the operating condition method detection can be measured the exhaust emissions data exactly; For the qualification of exhaust emissions provides detection method; Can distinguish with the vehicle with much emission in the car, exceeding standard rate and car up to standard, effectively administer according to detecting the auxiliary defective vehicle of data, to lower the discharging of vehicular pollutant; Strengthen the performance of motor vehicle, cooperate government to detect the enforcement of system.
The embodiment of the utility model is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
The structure principle chart of Fig. 1 the utility model
The workflow diagram of Fig. 2 the utility model
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to embodiment, structure, characteristic and the effect thereof that provides according to the utility model, specify as after.
Shown in Fig. 1-2; A kind of steady state condition method motor vehicle emission detection system; Comprise chassis dynamometer, five component exhaust analyzers, meteorologic analysis appearance, cooling blower, driver assistance, industrial computer, described chassis dynamometer is placed in the tested vehicle below, and simulating vehicle is loaded at the travels down transient behavior method; Be divided into 5025 and 2,540 two operating condition methods, the sampling probe that five component exhaust analyzers carry through instrument directly obtains the original emission gases CO of automobile, CO
2, HC, NO
X, O
2Concentration value, the meteorologic analysis appearance is measured temperature, humidity and atmospheric pressure, and final data all transfers to industrial computer.
Aforesaid five component exhaust analyzers are made up of gas sampling system, display processing system, Analysis on Fault Diagnosis system.
The detection platform that aforesaid chassis dynamometer is made up of underframe, cylinder, shaft coupling, current vortex machine, tachogenerator, force cell, variable-frequence governor, electromagnetic clutch power, controllable silicon current source, industrial control microcomputer and controlling computer are formed.
Aforesaid traffic analyzer is by gas collecting flexible pipe, blower fan, flow tube, flow sensor, O
2Zirconia sensor, temperature sensor, pressure transducer, gas waste gas flexible pipe are formed.
The detection control system is installed in the aforesaid industrial computer; Connect the chassis through serial port data line and survey worker's machine, five component exhaust analyzers; It is the vehicle offered load that worker's machine simulated roadway resistance is surveyed on the control chassis; Control exhaust analyzer image data, whether acquisition data and GB contrast draw vehicle detection qualified.
It is following that system detects step:
1, starts, carry out system's setting, comprise that the setting of equipment serial port, server setting, device authentication numbering are provided with, and can change the parameter list setting;
2, System self-test comprises chassis dynamometer self check and five component exhaust analyzer self checks;
3, system calibrating, whether the judgment device demarcation cycle arrives, if arrive, then carries out system calibrating, comprises the demarcation of chassis dynamometer and five component exhaust analyzers;
4,, confirm the loading power of chassis dynamometer and the effluent standard limit value of this tested vehicle according to the parameter information of tested vehicle;
5, this tested vehicle being carried out the steady state condition method detects;
6, show and print the data report of this tested vehicle testing result.
Claims (5)
1. steady state condition method motor vehicle emission detection system; Comprise chassis dynamometer, five component exhaust analyzers, meteorologic analysis appearance, cooling blower, driver assistance, industrial computer; It is characterized in that: described chassis dynamometer is placed in the tested vehicle below; Simulating vehicle is divided into 5025 and 2,540 two operating condition methods at travels down transient behavior method load, and the sampling probe that five component exhaust analyzers carry through instrument directly obtains the original emission gases CO of automobile, CO
2, HC, NO
X, O
2Concentration value, the meteorologic analysis appearance is measured temperature, humidity and atmospheric pressure, and final data all transfers to industrial computer.
2. according to claims 1 described a kind of steady state condition method motor vehicle emission detection system, it is characterized in that: described five component exhaust analyzers are made up of gas sampling system, display processing system, Analysis on Fault Diagnosis system.
3. according to claims 1 described a kind of steady state condition method motor vehicle emission detection system, it is characterized in that: the detection platform that described chassis dynamometer is made up of underframe, cylinder, shaft coupling, current vortex machine, tachogenerator, force cell, variable-frequence governor, electromagnetic clutch power, controllable silicon current source, industrial control microcomputer and controlling computer are formed.
4. according to claims 1 described a kind of steady state condition method motor vehicle emission detection system, it is characterized in that: described traffic analyzer is by gas collecting flexible pipe, blower fan, flow tube, flow sensor, O
2Zirconia sensor, temperature sensor, pressure transducer, gas waste gas flexible pipe are formed.
5. according to claims 1 described a kind of steady state condition method motor vehicle emission detection system; It is characterized in that: the detection control system is installed in the described industrial computer; Connect the chassis through serial port data line and survey worker's machine, five component exhaust analyzers; It is the vehicle offered load that worker's machine simulated roadway resistance is surveyed on the control chassis, control exhaust analyzer image data, and whether acquisition data and GB contrast draw vehicle detection qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200888480U CN202453201U (en) | 2012-03-12 | 2012-03-12 | Vehicle emission detecting system by steady-state condition method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200888480U CN202453201U (en) | 2012-03-12 | 2012-03-12 | Vehicle emission detecting system by steady-state condition method |
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| CN202453201U true CN202453201U (en) | 2012-09-26 |
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| CN2012200888480U Expired - Fee Related CN202453201U (en) | 2012-03-12 | 2012-03-12 | Vehicle emission detecting system by steady-state condition method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112357A (en) * | 2014-07-04 | 2014-10-22 | 浙江大学 | City area traffic emergency plan method for severe haze weather |
| CN105004532A (en) * | 2015-08-03 | 2015-10-28 | 广汽本田汽车有限公司 | Automatic conveying device for tail gas detection and method thereof |
| CN106178934A (en) * | 2016-07-11 | 2016-12-07 | 佛山杰致信息科技有限公司 | A kind of eco-friendly car vehicle emission measurement system |
| CN107870222A (en) * | 2017-09-30 | 2018-04-03 | 中国汽车技术研究中心 | One kind is used for motor vehicle PEMS equipment uniformity comparison methods and its system |
| CN109945923A (en) * | 2019-03-22 | 2019-06-28 | 湖北文理学院 | A kind of vehicle mounted tail gas discharge measuring fexible unit |
| CN110273738A (en) * | 2019-03-14 | 2019-09-24 | 吉林大学 | A kind of heavy-duty engine discharge diagnostic test system |
| CN113702050A (en) * | 2021-08-20 | 2021-11-26 | 东风汽车集团股份有限公司 | Method for optimizing engine emission based on test bed virtual driving |
-
2012
- 2012-03-12 CN CN2012200888480U patent/CN202453201U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112357A (en) * | 2014-07-04 | 2014-10-22 | 浙江大学 | City area traffic emergency plan method for severe haze weather |
| CN105004532A (en) * | 2015-08-03 | 2015-10-28 | 广汽本田汽车有限公司 | Automatic conveying device for tail gas detection and method thereof |
| CN106178934A (en) * | 2016-07-11 | 2016-12-07 | 佛山杰致信息科技有限公司 | A kind of eco-friendly car vehicle emission measurement system |
| CN107870222A (en) * | 2017-09-30 | 2018-04-03 | 中国汽车技术研究中心 | One kind is used for motor vehicle PEMS equipment uniformity comparison methods and its system |
| CN110273738A (en) * | 2019-03-14 | 2019-09-24 | 吉林大学 | A kind of heavy-duty engine discharge diagnostic test system |
| CN110273738B (en) * | 2019-03-14 | 2023-06-02 | 吉林大学 | Heavy engine emission diagnosis test system |
| CN109945923A (en) * | 2019-03-22 | 2019-06-28 | 湖北文理学院 | A kind of vehicle mounted tail gas discharge measuring fexible unit |
| CN113702050A (en) * | 2021-08-20 | 2021-11-26 | 东风汽车集团股份有限公司 | Method for optimizing engine emission based on test bed virtual driving |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20160312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |