CN102374001B - 发动机催化转化器老化故障诊断方法 - Google Patents
发动机催化转化器老化故障诊断方法 Download PDFInfo
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- CN102374001B CN102374001B CN201010247329XA CN201010247329A CN102374001B CN 102374001 B CN102374001 B CN 102374001B CN 201010247329X A CN201010247329X A CN 201010247329XA CN 201010247329 A CN201010247329 A CN 201010247329A CN 102374001 B CN102374001 B CN 102374001B
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- osc
- particular diagnostic
- storage oxygen
- catalytic converter
- diagnosis
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 90
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000032683 aging Effects 0.000 title abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 83
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 83
- 239000001301 oxygen Substances 0.000 claims abstract description 83
- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims description 36
- 238000012937 correction Methods 0.000 claims description 24
- 239000003054 catalyst Substances 0.000 claims description 20
- 238000002405 diagnostic procedure Methods 0.000 claims description 17
- 238000011144 upstream manufacturing Methods 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 11
- 230000015556 catabolic process Effects 0.000 claims description 7
- 238000006731 degradation reaction Methods 0.000 claims description 7
- 239000000446 fuel Substances 0.000 description 29
- 230000004044 response Effects 0.000 description 12
- 238000007726 management method Methods 0.000 description 10
- 230000007704 transition Effects 0.000 description 6
- 239000000295 fuel oil Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201010247329XA CN102374001B (zh) | 2010-08-06 | 2010-08-06 | 发动机催化转化器老化故障诊断方法 |
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CN201010247329XA CN102374001B (zh) | 2010-08-06 | 2010-08-06 | 发动机催化转化器老化故障诊断方法 |
Publications (2)
Publication Number | Publication Date |
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CN102374001A CN102374001A (zh) | 2012-03-14 |
CN102374001B true CN102374001B (zh) | 2013-07-10 |
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CN201010247329XA Active CN102374001B (zh) | 2010-08-06 | 2010-08-06 | 发动机催化转化器老化故障诊断方法 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9599006B2 (en) * | 2011-08-30 | 2017-03-21 | GM Global Technology Operations LLC | Catalyst oxygen storage capacity adjustment systems and methods |
US20130283767A1 (en) * | 2012-04-30 | 2013-10-31 | GM Global Technology Operations LLC | Oxidation catalyst monitoring |
CN104279035B (zh) * | 2013-07-11 | 2016-05-11 | 苏州奥易克斯汽车电子有限公司 | 发动机的催化器的诊断方法 |
CN103758619A (zh) * | 2014-01-22 | 2014-04-30 | 王有传 | 汽车尾气强制检修方法及实施该方法的装置 |
CN104747258B (zh) * | 2015-03-31 | 2018-04-27 | 凯龙高科技股份有限公司 | 一种喷油助燃dpf***obd故障诊断方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101440739A (zh) * | 2006-11-20 | 2009-05-27 | 通用汽车环球科技运作公司 | 容许柔性燃料的催化转化器的诊断方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070234708A1 (en) * | 2006-04-06 | 2007-10-11 | James Peyton Jones | Method of on-board diagnostic catalyst monitoring |
JP4578544B2 (ja) * | 2008-07-07 | 2010-11-10 | 三菱電機株式会社 | 内燃機関の制御装置 |
FR2938008B1 (fr) * | 2008-11-06 | 2010-11-26 | Valeo Sys Controle Moteur Sas | Procede de diagnostic des performances d'un pot catalytique |
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2010
- 2010-08-06 CN CN201010247329XA patent/CN102374001B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101440739A (zh) * | 2006-11-20 | 2009-05-27 | 通用汽车环球科技运作公司 | 容许柔性燃料的催化转化器的诊断方法 |
Non-Patent Citations (5)
Title |
---|
JP特开2010-14082A 2010.01.21 |
三元催化转化器车载诊断方法研究;彭小红等;《农业装备与车辆工程》;20080331(第3期);第17-20页 * |
基于OBD的三效催化转化器失效的诊断研究;张旭升等;《汽车电器》;20071031(第10期);第8-13页 * |
张旭升等.基于OBD的三效催化转化器失效的诊断研究.《汽车电器》.2007,(第10期), |
彭小红等.三元催化转化器车载诊断方法研究.《农业装备与车辆工程》.2008,(第3期), |
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