JP2011241724A - 排気浄化装置の故障検出装置 - Google Patents
排気浄化装置の故障検出装置 Download PDFInfo
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- JP2011241724A JP2011241724A JP2010113439A JP2010113439A JP2011241724A JP 2011241724 A JP2011241724 A JP 2011241724A JP 2010113439 A JP2010113439 A JP 2010113439A JP 2010113439 A JP2010113439 A JP 2010113439A JP 2011241724 A JP2011241724 A JP 2011241724A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1466—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being a soot concentration or content
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/04—Filtering activity of particulate filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/05—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a particulate sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
-
- 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
- Y02T10/12—Improving ICE efficiencies
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas After Treatment (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
【解決手段】 内燃機関200の排気系に設けられ、排気中の粒子状物質(PM)を捕集可能な排気浄化装置20の故障検出装置100であって、排気浄化装置20の後段に設けられ、粒子状物質を検出するセンサ30と、センサ30の出力に基づき、排気浄化装置20に捕集された粒子状物質の除去を行う除去手段40と、除去手段40による粒子状物質の除去が完了してから、センサ30の出力が安定するまでの第1安定時間tに基づき、排気浄化装置20の故障判定を行う判定手段40と、を備える。
【選択図】 図1
Description
12 インジェクタ
20 DPF
30 PMセンサ
40 ECU
100 故障検出装置
200 内燃機関
Claims (5)
- 内燃機関の排気系に設けられ、排気中の粒子状物質を捕集可能な排気浄化装置の故障検出装置であって、
前記排気浄化装置の後段に設けられ、前記粒子状物質を検出するセンサと、
前記センサの出力に基づき、前記排気浄化装置に捕集された前記粒子状物質の除去を行う除去手段と、
前記除去手段による前記粒子状物質の除去が完了してから、前記センサの出力が安定するまでの第1安定時間に基づき、前記排気浄化装置の故障判定を行う判定手段と、
を備えることを特徴とする排気浄化装置の故障検出装置。 - 前記判定手段は、前記第1安定時間が第1基準安定時間より小さい場合に、前記排気浄化装置が故障していないと判定し、前記第1安定時間が前記第1基準安定時間より大きい場合に、前記排気浄化装置が故障していると判定することを特徴とする請求項1に記載の故障検出装置。
- 前記判定手段は、前記第1安定時間が前記第1基準安定時間より小さい第2基準安定時間より小さい場合に、前記排気浄化装置が故障しておらず且つ前記粒子状物質の除去が不十分であると判定することを特徴とする請求項2に記載の故障検出装置。
- 前記判定手段は、前記センサの出力が安定した時点における前記センサの出力が基準出力より小さい場合に、前記センサが故障していると判定することを特徴とする請求項1〜3のいずれかに記載の故障検出装置。
- 前記判定手段は、前記排気浄化装置の出荷時におけるエージング処理時において、前記エージング処理を開始してから前記センサの出力が安定するまでの第2安定時間が第3基準安定時間より小さい場合に、前記エージング処理を終了し、前記第2安定時間が前記第3基準安定時間より大きい場合に、前記エージング処理を延長することを特徴とする請求項2〜4のいずれかに記載の故障検出装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010113439A JP5056898B2 (ja) | 2010-05-17 | 2010-05-17 | 排気浄化装置の故障検出装置 |
EP11726945.6A EP2459855B8 (en) | 2010-05-17 | 2011-05-02 | Abnormality detection apparatus for particulate filter |
US13/499,377 US8745968B2 (en) | 2010-05-17 | 2011-05-02 | Abnormality detection apparatus for particulate filter |
PCT/IB2011/000939 WO2011144977A1 (en) | 2010-05-17 | 2011-05-02 | Abnormality detection apparatus for an exhaust gas emission control apparatus |
CN2011800040516A CN102549246B (zh) | 2010-05-17 | 2011-05-02 | 用于废气排放控制设备的异常检测设备 |
Applications Claiming Priority (1)
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---|---|---|---|
JP2010113439A JP5056898B2 (ja) | 2010-05-17 | 2010-05-17 | 排気浄化装置の故障検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011241724A true JP2011241724A (ja) | 2011-12-01 |
JP5056898B2 JP5056898B2 (ja) | 2012-10-24 |
Family
ID=44330700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010113439A Expired - Fee Related JP5056898B2 (ja) | 2010-05-17 | 2010-05-17 | 排気浄化装置の故障検出装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8745968B2 (ja) |
EP (1) | EP2459855B8 (ja) |
JP (1) | JP5056898B2 (ja) |
CN (1) | CN102549246B (ja) |
WO (1) | WO2011144977A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014010064A1 (ja) * | 2012-07-12 | 2014-01-16 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
KR20150003907A (ko) * | 2012-05-22 | 2015-01-09 | 도요타지도샤가부시키가이샤 | 내연 기관의 배기 정화 장치 |
WO2015093603A1 (ja) * | 2013-12-19 | 2015-06-25 | トヨタ自動車株式会社 | 内燃機関の排気浄化システム |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5348089B2 (ja) * | 2010-08-06 | 2013-11-20 | 株式会社デンソー | センサ制御装置 |
WO2012063364A1 (ja) * | 2010-11-12 | 2012-05-18 | トヨタ自動車株式会社 | パティキュレートフィルタの故障検出装置 |
KR20130037553A (ko) * | 2011-10-06 | 2013-04-16 | 현대자동차주식회사 | 배기가스 처리방법 |
US9051866B2 (en) * | 2012-05-22 | 2015-06-09 | GM Global Technology Operations LLC | Method and apparatus for monitoring a particulate filter |
JP6098528B2 (ja) * | 2014-01-17 | 2017-03-22 | トヨタ自動車株式会社 | フィルタ異常判定システム |
DE102014220846A1 (de) * | 2014-10-15 | 2016-04-21 | Continental Automotive Gmbh | Verfahren und Vorrichtung zur Eigendiagnose eines im Abgasstrang einer Brennkraftmaschine angeordneten Partikelsensors |
JP6004028B2 (ja) * | 2015-03-20 | 2016-10-05 | トヨタ自動車株式会社 | 排気浄化システムの故障診断装置 |
JP6780763B2 (ja) * | 2018-12-25 | 2020-11-04 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
CN113298345B (zh) * | 2021-04-06 | 2022-11-18 | 杭州未名信科科技有限公司 | 异常行为的检测方法、装置、电子设备及介质 |
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JP2009293518A (ja) * | 2008-06-05 | 2009-12-17 | Denso Corp | 内燃機関の排気浄化装置 |
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2010
- 2010-05-17 JP JP2010113439A patent/JP5056898B2/ja not_active Expired - Fee Related
-
2011
- 2011-05-02 US US13/499,377 patent/US8745968B2/en not_active Expired - Fee Related
- 2011-05-02 CN CN2011800040516A patent/CN102549246B/zh not_active Expired - Fee Related
- 2011-05-02 EP EP11726945.6A patent/EP2459855B8/en not_active Not-in-force
- 2011-05-02 WO PCT/IB2011/000939 patent/WO2011144977A1/en active Application Filing
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Cited By (7)
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KR20150003907A (ko) * | 2012-05-22 | 2015-01-09 | 도요타지도샤가부시키가이샤 | 내연 기관의 배기 정화 장치 |
JPWO2013175572A1 (ja) * | 2012-05-22 | 2016-01-12 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
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Also Published As
Publication number | Publication date |
---|---|
WO2011144977A1 (en) | 2011-11-24 |
EP2459855B1 (en) | 2013-10-23 |
CN102549246A (zh) | 2012-07-04 |
CN102549246B (zh) | 2013-09-04 |
EP2459855A1 (en) | 2012-06-06 |
EP2459855B8 (en) | 2013-12-25 |
US20120180458A1 (en) | 2012-07-19 |
JP5056898B2 (ja) | 2012-10-24 |
US8745968B2 (en) | 2014-06-10 |
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