CN108571365B - Scr催化器***和用于对scr催化器***进行诊断的方法 - Google Patents

Scr催化器***和用于对scr催化器***进行诊断的方法 Download PDF

Info

Publication number
CN108571365B
CN108571365B CN201810199623.4A CN201810199623A CN108571365B CN 108571365 B CN108571365 B CN 108571365B CN 201810199623 A CN201810199623 A CN 201810199623A CN 108571365 B CN108571365 B CN 108571365B
Authority
CN
China
Prior art keywords
operating state
state data
pump
scr catalyst
catalyst system
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.)
Active
Application number
CN201810199623.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN108571365A (zh
Inventor
V.丹拉吉
S.策尔宾
T.洛伦茨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN108571365A publication Critical patent/CN108571365A/zh
Application granted granted Critical
Publication of CN108571365B publication Critical patent/CN108571365B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • 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
    • F01N2550/05—Systems for adding substances into exhaust
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1433—Pumps
    • 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
    • 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
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • F01N2900/1808—Pressure
    • 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
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • F01N2900/1812—Flow rate
    • 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
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • F01N2900/1822—Pump parameters
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
CN201810199623.4A 2017-03-13 2018-03-12 Scr催化器***和用于对scr催化器***进行诊断的方法 Active CN108571365B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017204089.0 2017-03-13
DE102017204089.0A DE102017204089A1 (de) 2017-03-13 2017-03-13 SCR-Katalysatorsystem und Verfahren zu seiner Diagnose

Publications (2)

Publication Number Publication Date
CN108571365A CN108571365A (zh) 2018-09-25
CN108571365B true CN108571365B (zh) 2023-04-18

Family

ID=63258966

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810199623.4A Active CN108571365B (zh) 2017-03-13 2018-03-12 Scr催化器***和用于对scr催化器***进行诊断的方法

Country Status (3)

Country Link
KR (1) KR102557632B1 (ko)
CN (1) CN108571365B (ko)
DE (1) DE102017204089A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102523774B1 (ko) 2021-09-09 2023-04-21 현송콘트롤스 주식회사 Scr 밸브 실시간 온도수집 및 고장예측 시스템

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102906390A (zh) * 2010-04-23 2013-01-30 斯堪尼亚商用车有限公司 关于scr***的液体供给装置中过滤器的维护需求的方法和装置
CN103906903A (zh) * 2011-09-22 2014-07-02 斯堪尼亚商用车有限公司 与scr***相关的方法和scr***
CN105351053A (zh) * 2015-07-17 2016-02-24 贵州黄帝车辆净化器有限公司 Art-v型柴油车排气后处理装置在线远程监控云平台

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5709080A (en) * 1996-03-15 1998-01-20 Caterpillar Inc. Leak detection method and apparatus for an exhaust purification system
US7668643B2 (en) * 2007-03-30 2010-02-23 O2Micro International Ltd. Method and system for automatically inspecting and registering automotive exhaust emission data
JP4840703B2 (ja) * 2007-11-16 2011-12-21 トヨタ自動車株式会社 排気浄化システムの異常診断装置
EP2151559B1 (en) * 2008-08-08 2011-04-06 Magneti Marelli S.p.A. Injection device for injecting a reducing substance into an exhaust system of an internal combustion engine
DE102009029408B4 (de) * 2009-09-14 2023-10-19 Robert Bosch Gmbh Verfahren zur Überwachung der Funktion eines SCR-Katalysatorsystems
JP6127509B2 (ja) * 2012-12-28 2017-05-17 いすゞ自動車株式会社 尿素ｓｃｒ用尿素水消費量診断装置
EP2826972B1 (en) * 2013-07-15 2016-04-20 Inergy Automotive Systems Research (Société Anonyme) Method for monitoring urea quality of an SCR system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102906390A (zh) * 2010-04-23 2013-01-30 斯堪尼亚商用车有限公司 关于scr***的液体供给装置中过滤器的维护需求的方法和装置
CN103906903A (zh) * 2011-09-22 2014-07-02 斯堪尼亚商用车有限公司 与scr***相关的方法和scr***
CN105351053A (zh) * 2015-07-17 2016-02-24 贵州黄帝车辆净化器有限公司 Art-v型柴油车排气后处理装置在线远程监控云平台

Also Published As

Publication number Publication date
DE102017204089A1 (de) 2018-09-13
KR20180104569A (ko) 2018-09-21
CN108571365A (zh) 2018-09-25
KR102557632B1 (ko) 2023-07-20

Similar Documents

Publication Publication Date Title
US7854161B2 (en) Diagnostic method for an exhaust aftertreatment system
US8590290B2 (en) Methods, systems, and apparatuses of SCR diagnostics
US8006483B2 (en) Exhaust emission purifying apparatus for engine
CN111005793B (zh) 尿素消耗量异常检测方法、装置及存储介质
EP2860368B1 (en) Reagent doser diagnostic system and method
CN110821621B (zh) 用于监测scr催化器的方法
KR102089817B1 (ko) 차량용 배기 가스 후처리 시스템에서 유압 누출-방지성을 검사하기 위한 방법 및 장치
CN103388518A (zh) 用于指示柴油机排放流体(“def”)的质量的***
JP2013512375A (ja) 還元剤容器における還元剤の状態を特定するための方法
US8783017B2 (en) System, method, and apparatus to engage alternate reductant in a NOx reduction system
CN105612322A (zh) 用于在scr废气后处理***中检查温度传感器的方法
CN105317512A (zh) 生成用于氮氧化合物传感器偏移的防反跳持续时间的排气处理***
CN110344918B (zh) 废气后处理设备的功能检查方法
CN104411933A (zh) 排气净化装置的劣化检测***
US10995749B2 (en) Method for monitoring the volumetric flow of a metering valve of a fluidic metering system of an internal combustion engine, in particular of a motor vehicle
CN103557063A (zh) 一种尿素喷射***失效的检测方法及装置
CN108691627B (zh) 用于确定流体的配给***中的量偏差的方法
CN108571365B (zh) Scr催化器***和用于对scr催化器***进行诊断的方法
CN110160800B (zh) 用于对用于scr催化器***的仿真器进行探测的方法
EP3485153B1 (en) Method and system for diagnosing an aftertreatment system
WO2015183239A1 (en) System and method for evaluation of aftertreatment fluid quality and deliverability
CN110792493A (zh) 用于在故障情况下运行scr***的方法
CN110529222B (zh) 用于预期地维护输送及配量***的过滤器的方法
US11092059B2 (en) Method and device for monitoring an SCR exhaust gas after-treatment device
US10502150B2 (en) Method and system for use when correcting supply of an additive to an exhaust gas stream

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant