CN201413238Y - Automobile emission detecting system with simple transient working condition - Google Patents
Automobile emission detecting system with simple transient working condition Download PDFInfo
- Publication number
- CN201413238Y CN201413238Y CN2009200973157U CN200920097315U CN201413238Y CN 201413238 Y CN201413238 Y CN 201413238Y CN 2009200973157 U CN2009200973157 U CN 2009200973157U CN 200920097315 U CN200920097315 U CN 200920097315U CN 201413238 Y CN201413238 Y CN 201413238Y
- Authority
- CN
- China
- Prior art keywords
- gas
- analyzer
- emission
- motor vehicle
- chassis dynamometer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001052 transient effect Effects 0.000 title claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 34
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 239000000523 sample Substances 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 16
- 238000004458 analytical method Methods 0.000 claims description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000003745 diagnosis Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000002912 waste gas Substances 0.000 claims description 2
- 238000011109 contamination Methods 0.000 abstract 2
- 238000011156 evaluation Methods 0.000 abstract 1
- 230000006399 behavior Effects 0.000 description 8
- 238000010790 dilution Methods 0.000 description 8
- 239000012895 dilution Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Testing Of Engines (AREA)
Abstract
The utility model relates to an automobile emission detecting system with a simple transient working condition. The automobile emission detecting system comprises a chassis dynamometer machine, a fivegas analyzer, a gas collector, a blower, a flow rate analyzer and a main-control computer, wherein, the chassis dynamometer machine is mounted below the detected vehicle; when the transient working condition load of an automobile running transient on the road is simulated, the five gas analyzer directly obtains concentration values of original emission gases such as CO, CO2, HC, NOX and O2 of theautomobile through a self-provided sampling probe of the instrument; the gas collector pumps the rest tail gas into the flow rate analyzer through the blower; the flow rate analyzer analyzes the resttail gas; and all data is transmitted to the main-control computer eventually. The utility model has the advantages of high measuring accuracy, and simple and convenient operation, and has the important significances in overall assessment of emission conditions of automobiles, evaluation of contamination emission total mass of automotive vehicles, and enactment of practicable contamination control specifications for the automotive vehicles.
Description
Technical field
The utility model belongs to the automotive inspection equipment field, relates to a kind of simple transient behavior motor vehicle emission detection system, can be widely used in departments such as vehicle production, car inspection and repair, environmental protection and agricultural machinery.
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 the many big cities of China face.Developing and set up more, science, advanced automotive emission detection method have become the important means of controlling vehicle emission pollution.Utilize chassis dynamometer analog machine motor-car under the various states of road (load) driving cycle, to detect main exhaust emission CO, the CO of vehicular emission
2, HC, NO
X, O
2Deng, thereby find high emission vehicle, to implementing vehicle emission pollution control significance is arranged at the motor vehicles of usefulness.
Abroad develop in this respect early, technology is ripe relatively, domestic development is later, the existing detection line overwhelming majority is to use the machine and the technology cost height of import, and it is asynchronous owing to what develop, instrument and equipment detection method and applicability are distinct, for lacking specific aim in the use of domestic motor vehicle production line, guarantee for the detection present situation of China is very difficult.To be equipped with the test analysis equipment of different model for the detection of different motor vehicles, very inconvenient and cause the waste of overlapping investment.
Summary of the invention
Problem to be solved in the utility model is, overcome the deficiencies in the prior art, a kind of simple transient behavior motor vehicle emission detection system is provided, the measuring accuracy height, easy and simple to handle, for the emission status of thoroughly evaluating vehicle, estimation motor vehicle emission gross mass 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 simple transient behavior motor vehicle emission detection system that provides according to the utility model, comprise chassis dynamometer, five gas analyzer, gas collecting device, blower fan, traffic analyzer, main control computer, it is characterized in that: described chassis dynamometer is placed in the tested vehicle below, simulating vehicle is at travels down transient condition load, and the sampling probe that five gas analyzer carries by instrument directly obtains the original emission gases CO of automobile, CO
2, HC, NO
X, O
2Concentration value, the gas collecting device is analyzed another part tail gas by blower fan suction traffic analyzer, and final data all transfers to main control computer.
It is to take following technical scheme further to realize that the utility model solves its technical matters:
Aforesaid five gas analyzer is made up of gas sampling system, display processing system, Analysis on Fault Diagnosis system.
Detection platform, current vortex machine, tachogenerator, force cell, variable-frequence governor, electromagnetic clutch power, controllable silicon current source, industrial control microcomputer and controlling computer that preceding described chassis dynamometer is made up of underframe, cylinder, shaft coupling are formed.
Aforesaid traffic analyzer is made up of gas collecting flexible pipe, blower fan, flow tube, flow sensor, O2 zirconia sensor, temperature sensor, pressure transducer, gas waste gas flexible pipe.
The utility model compared with prior art has a bit significant and beneficial effect.
It can simulate the pollution level of actual road conditions reflection motor vehicle exhaust emission the utility model, can distinguish vehicle with much emission, exceeding standard rate and car up to standard in using car, 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.Simultaneously the motor vehicle that detects is carried out fault analysis, far is provided, avoid motor vehicle to operate with failure.It not only has automotive emission check and analysis function, and has very strong versatility.
Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 structure principle chart of the present utility model;
Fig. 2 sampling work process flow diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and effect thereof that foundation the utility model is provided, describe in detail as after.
Shown in Fig. 1-2, a kind of simple transient behavior motor vehicle emission detection system, comprise chassis dynamometer, five gas analyzer, gas collecting device, blower fan, traffic analyzer, main control computer, it is characterized in that: described chassis dynamometer is placed in the tested vehicle below, simulating vehicle is at travels down transient condition load, and the sampling probe that five gas analyzer carries by instrument directly obtains the original emission gases CO of automobile, CO
2, HC, NO
X, O
2Concentration value, the gas collecting device is analyzed another part tail gas by blower fan suction traffic analyzer, and final data all transfers to main control computer.
It is as follows 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 gas analyzer self check;
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 gas analyzer;
4,, determine 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 is carried out the 195s simple transient behavior and detect, comprise the steps:
1. main control computer is gathered the per second speed of a motor vehicle, dynamometer machine moment, engine speed, CO, CO in real time
2, HC, NO
X, O
2Original concentration, dilution CO
2Concentration, dilution exhaust flow, temperature and pressure data;
2. dynamometer machine is loaded, monitor in real time that continuous 3 seconds of each device talk situation, the speed of a motor vehicle are overproof, speed of a motor vehicle accumulative total 15 seconds is overproof, load continuous 3 seconds overproof, load accumulative total 15 seconds overproof, to gasoline vehicle CO+CO
2＜6%, to other fuel vehicle CO+CO
2＜4%, crude sampling system low discharge, dilution natural gas gathering system low discharge, dilution ratio are crossed low situation, if the discontented sufficient requirement of arbitrary monitoring project, test restarts, and detect requirement condition until satisfying 195 seconds simple transient behaviors;
3. according to the environment weather parameter, calculate dilution correction factor DCF and humidity correction factor Kh, carry out CO, CO
2, HC, NO
X, O
2The corrected Calculation of original measurement concentration and air-fuel ratio calculate, to the normal flow corrected Calculation of dilution exhaust flow, by calculating dilution ratio, obtain original exhaust flow, thereby calculate per second CO, CO
2, HC, NO
X, O
2Mass discharge result;
4. after 195 seconds simple transient behaviors are all finished, calculate CO, CO under the whole working condition
2, HC, NO
X, O
2Mass discharge result, the line data of going forward side by side storage;
6, show and print the data report of this tested vehicle testing result:
1. the discharging gross mass that shows each pollutant;
2. judge that according to emission limit testing result is for " qualified " or " defective " and print examining report;
3. demonstration, playback and printing NO, CO, CO
2With 4 concentration curves of HC and 4 figure-of-merit curves, original CO
2With dilution CO
212 test curves such as concentration curve, actual vehicle speed curve, air-fuel ratio curve.
Claims (4)
1. simple transient behavior motor vehicle emission detection system, comprise chassis dynamometer, five gas analyzer, gas collecting device, blower fan, traffic analyzer, main control computer, it is characterized in that: described chassis dynamometer is placed in the tested vehicle below, simulating vehicle is at travels down transient condition load, and the sampling probe that five gas analyzer carries by instrument directly obtains the original emission gases CO of automobile, CO
2, HC, NO
x, O
2Concentration value, the gas collecting device is analyzed another part tail gas by blower fan suction traffic analyzer, and final data all transfers to main control computer.
2. a kind of simple transient behavior motor vehicle emission detection system according to claim 1, it is characterized in that: described five gas analyzer is made up of gas sampling system, display processing system, Analysis on Fault Diagnosis system.
3. a kind of simple transient behavior motor vehicle emission detection system according to claim 1, 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. a kind of simple transient behavior motor vehicle emission detection system according to claim 1 is characterized in that: described traffic analyzer is made up of gas collecting flexible pipe, blower fan, flow tube, flow sensor, O2 zirconia sensor, temperature sensor, pressure transducer, gas waste gas flexible pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200973157U CN201413238Y (en) | 2009-06-25 | 2009-06-25 | Automobile emission detecting system with simple transient working condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200973157U CN201413238Y (en) | 2009-06-25 | 2009-06-25 | Automobile emission detecting system with simple transient working condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413238Y true CN201413238Y (en) | 2010-02-24 |
Family
ID=41715121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200973157U Expired - Fee Related CN201413238Y (en) | 2009-06-25 | 2009-06-25 | Automobile emission detecting system with simple transient working condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201413238Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018051A (en) * | 2011-09-21 | 2013-04-03 | 通用汽车环球科技运作有限责任公司 | Method and system for simulating various engine operating conditions to evaluate engine emissions test equipment |
| CN103267645A (en) * | 2013-05-02 | 2013-08-28 | 佛山分析仪有限公司 | Automobile emission flow analysis meter with gas collection flexible pipe disengaged detection and method of automobile emission flow analysis meter |
| CN103543016A (en) * | 2013-10-18 | 2014-01-29 | 联合汽车电子有限公司 | Complete vehicle operating-mode exhaust gas emission testing system |
| CN104777082A (en) * | 2015-04-14 | 2015-07-15 | 首都师范大学 | Device and method for detecting motor vehicle exhaust |
| CN105675824A (en) * | 2016-03-15 | 2016-06-15 | 苏州华业检测技术服务有限公司 | Simple system for testing emission of motor vehicle through transient working condition method |
| CN109882397A (en) * | 2019-03-07 | 2019-06-14 | 广西玉柴机器股份有限公司 | Air compressor PEMS test method |
| CN109945923A (en) * | 2019-03-22 | 2019-06-28 | 湖北文理学院 | A universal device for vehicle exhaust emission measurement |
| CN110132605A (en) * | 2019-05-21 | 2019-08-16 | 北京工业大学 | A kind of diesel engine NOxThan the rapid detection method of discharge |
| CN111504735A (en) * | 2020-06-09 | 2020-08-07 | 天津内燃机研究所（天津摩托车技术中心） | Low CO generator set emission test system and test method |
| CN112882407A (en) * | 2020-12-31 | 2021-06-01 | 闳约深美江苏信息技术开发有限公司 | Automobile exhaust real-time monitoring equipment based on Internet of things |
| CN115638839A (en) * | 2022-11-16 | 2023-01-24 | 中汽科技(北京)有限公司 | Vehicle ammonia emission test system and test method thereof |
| CN116256204A (en) * | 2023-02-17 | 2023-06-13 | 武汉科技大学 | A vehicle exhaust emission testing device |
| CN119844234A (en) * | 2025-01-16 | 2025-04-18 | 齐鲁工业大学(山东省科学院) | Method for determining emission limit value of gaseous pollutants under simple working condition method |
-
2009
- 2009-06-25 CN CN2009200973157U patent/CN201413238Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018051A (en) * | 2011-09-21 | 2013-04-03 | 通用汽车环球科技运作有限责任公司 | Method and system for simulating various engine operating conditions to evaluate engine emissions test equipment |
| CN103018051B (en) * | 2011-09-21 | 2016-05-18 | 通用汽车环球科技运作有限责任公司 | Simulate various engine operating conditions and assess the method and system of emission testing equipment |
| CN103267645A (en) * | 2013-05-02 | 2013-08-28 | 佛山分析仪有限公司 | Automobile emission flow analysis meter with gas collection flexible pipe disengaged detection and method of automobile emission flow analysis meter |
| CN103543016A (en) * | 2013-10-18 | 2014-01-29 | 联合汽车电子有限公司 | Complete vehicle operating-mode exhaust gas emission testing system |
| CN103543016B (en) * | 2013-10-18 | 2016-09-28 | 联合汽车电子有限公司 | Car load condition tail gas system for testing discharge |
| CN104777082A (en) * | 2015-04-14 | 2015-07-15 | 首都师范大学 | Device and method for detecting motor vehicle exhaust |
| CN104777082B (en) * | 2015-04-14 | 2017-10-24 | 首都师范大学 | Design of Vehicle Tail Gas Analyzer and its method for detection |
| CN105675824A (en) * | 2016-03-15 | 2016-06-15 | 苏州华业检测技术服务有限公司 | Simple system for testing emission of motor vehicle through transient working condition method |
| CN109882397A (en) * | 2019-03-07 | 2019-06-14 | 广西玉柴机器股份有限公司 | Air compressor PEMS test method |
| CN109945923A (en) * | 2019-03-22 | 2019-06-28 | 湖北文理学院 | A universal device for vehicle exhaust emission measurement |
| CN110132605A (en) * | 2019-05-21 | 2019-08-16 | 北京工业大学 | A kind of diesel engine NOxThan the rapid detection method of discharge |
| CN111504735A (en) * | 2020-06-09 | 2020-08-07 | 天津内燃机研究所（天津摩托车技术中心） | Low CO generator set emission test system and test method |
| CN112882407A (en) * | 2020-12-31 | 2021-06-01 | 闳约深美江苏信息技术开发有限公司 | Automobile exhaust real-time monitoring equipment based on Internet of things |
| CN115638839A (en) * | 2022-11-16 | 2023-01-24 | 中汽科技(北京)有限公司 | Vehicle ammonia emission test system and test method thereof |
| CN116256204A (en) * | 2023-02-17 | 2023-06-13 | 武汉科技大学 | A vehicle exhaust emission testing device |
| CN119844234A (en) * | 2025-01-16 | 2025-04-18 | 齐鲁工业大学(山东省科学院) | Method for determining emission limit value of gaseous pollutants under simple working condition method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201413238Y (en) | Automobile emission detecting system with simple transient working condition | |
| CN110967320B (en) | A system and method for remote sensing detection of gaseous exhaust pollutants from diesel vehicles | |
| CN101113947B (en) | Device and method for measuring particulate emissions from vehicles | |
| CN202453201U (en) | Vehicle emission detecting system by steady-state condition method | |
| CN105806627A (en) | Vehicle-mounted emission testing device and testing method thereof | |
| CN101963800A (en) | Remote real-time monitoring system and monitoring method for diesel vehicle road emission | |
| CN111122171B (en) | A multi-source heterogeneous data correlation analysis method based on VSP operating conditions for various emission detection methods of diesel vehicles and diesel engines | |
| CN105675824A (en) | Simple system for testing emission of motor vehicle through transient working condition method | |
| CN105181343A (en) | Simple on-board emission test system and simple on-board emission test method applicable to heavy truck equipped with OBD | |
| CN102706782B (en) | Method for detecting weight of micro-particles exhausted by gasoline car | |
| CN1588087A (en) | Detecting device and its detecting method for gasoline vehicle simple transient worknig condition tail gas | |
| CN109489978A (en) | A kind of multi-source data association analysis method of a variety of discharge detection methods of diesel locomotive based on V-a operating condition | |
| CN203083829U (en) | Automobile fault diagnosis system based on tail gas discharge detection adopting simple driving mode | |
| CN101135691B (en) | Vehicle mounted method and apparatus for testing operating parameter or pollutant discharged of motor vehicle | |
| CN201983820U (en) | Carbon balanced method oil consumption detecting system | |
| CN102155962B (en) | System and method for accurately measuring instantaneous oil consumption value of automobile | |
| CN106872001A (en) | A kind of motor-vehicle tail-gas detection method and system | |
| CN201731902U (en) | Heavy hybrid power electric automobile energy consumption and emission testing system | |
| CN206419089U (en) | The equipment of nitrogen oxide emission in a kind of detection vehicle exhaust | |
| CN101008588A (en) | Device and method for measuring total amount of pollutants from motor vehicles and consumption of fuel | |
| CN201000394Y (en) | Device for measuring gross amount of pollutant discharging of motor vehicle | |
| CN212844883U (en) | Automobile emission evaluation device combined with diesel vehicle loading and deceleration working condition method | |
| CN204945120U (en) | A kind of portable automobile exhaust real-time analysis emission test instrument | |
| CN206593868U (en) | The test equipment of tail-gas after treatment apparatus emission reduction effect | |
| CN103196506A (en) | Automobile fuel consumption tester employing carbon balance method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 300112 Tianjin City, North Industrial Park Xiqing District No. 18 Jin Xia Lu Patentee after: Tianjin Shengwei Development of Science Co., Ltd. Address before: 300112 No. 25, Xiaoxinzhuang Avenue, Hongqiao District, Tianjin Patentee before: Tianjin Shengwei Development of Science Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20110625 |