SE537270C2 - Anordning och förfarande för detektering av defekt NOx-givare - Google Patents

Anordning och förfarande för detektering av defekt NOx-givare Download PDF

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Publication number
SE537270C2
SE537270C2 SE1300461A SE1300461A SE537270C2 SE 537270 C2 SE537270 C2 SE 537270C2 SE 1300461 A SE1300461 A SE 1300461A SE 1300461 A SE1300461 A SE 1300461A SE 537270 C2 SE537270 C2 SE 537270C2
Authority
SE
Sweden
Prior art keywords
change
rate
nox
nox content
exceeds
Prior art date
Application number
SE1300461A
Other languages
English (en)
Swedish (sv)
Other versions
SE1300461A1 (sv
Inventor
Mikael Lundström
Original Assignee
Scania Cv Ab
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 Scania Cv Ab filed Critical Scania Cv Ab
Priority to SE1300461A priority Critical patent/SE537270C2/sv
Priority to DE112014002540.2T priority patent/DE112014002540B4/de
Priority to PCT/SE2014/050695 priority patent/WO2015002591A1/en
Publication of SE1300461A1 publication Critical patent/SE1300461A1/sv
Publication of SE537270C2 publication Critical patent/SE537270C2/sv

Links

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
    • 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
    • F02D41/146—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 an NOx content or concentration
    • 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
    • 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
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • 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
    • F01N2900/0416—Methods of control or diagnosing using the state of a sensor, e.g. of an exhaust gas sensor
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Exhaust Gas After Treatment (AREA)
SE1300461A 2013-07-02 2013-07-02 Anordning och förfarande för detektering av defekt NOx-givare SE537270C2 (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE1300461A SE537270C2 (sv) 2013-07-02 2013-07-02 Anordning och förfarande för detektering av defekt NOx-givare
DE112014002540.2T DE112014002540B4 (de) 2013-07-02 2014-06-10 Einrichtung und Verfahren zur Erkennung eines defekten NOx-Sensors
PCT/SE2014/050695 WO2015002591A1 (en) 2013-07-02 2014-06-10 DEVICE AND METHOD FOR DETECTION OF DEFECTIVE NOx SENSOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1300461A SE537270C2 (sv) 2013-07-02 2013-07-02 Anordning och förfarande för detektering av defekt NOx-givare

Publications (2)

Publication Number Publication Date
SE1300461A1 SE1300461A1 (sv) 2015-01-03
SE537270C2 true SE537270C2 (sv) 2015-03-24

Family

ID=52144054

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1300461A SE537270C2 (sv) 2013-07-02 2013-07-02 Anordning och förfarande för detektering av defekt NOx-givare

Country Status (3)

Country Link
DE (1) DE112014002540B4 (de)
SE (1) SE537270C2 (de)
WO (1) WO2015002591A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2015086B1 (en) * 2015-07-03 2017-01-30 Daf Trucks Nv Method, apparatus, and system for diagnosing at least one NOx-sensor of a diesel engine system.
CN115126619B (zh) * 2022-08-04 2024-01-12 潍柴动力股份有限公司 一种传感器测量值处理方法和装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0465698A (ja) 1990-07-06 1992-03-02 Zexel Corp センサの故障診断装置
US6666201B1 (en) * 2002-05-29 2003-12-23 Ford Global Technologies, Llc System and method for diagnosing EGR performance using NOx sensor
DE10244125B4 (de) * 2002-09-23 2008-01-31 Siemens Ag Verfahren zur Bewertung des Zeitverhaltens eines NOx-Sensors
DE102004048601A1 (de) 2004-10-06 2006-04-13 Robert Bosch Gmbh Überwachen von Peakpaketen in Sensorsignalen
DE102007006487B4 (de) 2006-09-27 2018-11-08 Robert Bosch Gmbh Verfahren zur Diagnose eines in einem Abgasbereich einer Brennkraftmaschine angeordneten Abgassensors und Vorrichtung zur Durchführung des Verfahrens
JP4297379B2 (ja) * 2007-02-02 2009-07-15 ボッシュ株式会社 Ｎｏｘセンサの故障診断装置及び故障診断方法
JP4853548B2 (ja) 2009-05-29 2012-01-11 株式会社デンソー 排気センサ診断装置
WO2010151690A2 (en) * 2009-06-24 2010-12-29 Cummins Ip, Inc. APPARATUS, SYSTEM, AND METHOD FOR ESTIMATING DETERIORATION OF A NOx SENSOR RESPONSE RATE

Also Published As

Publication number Publication date
SE1300461A1 (sv) 2015-01-03
DE112014002540B4 (de) 2019-03-21
DE112014002540T5 (de) 2016-03-31
WO2015002591A1 (en) 2015-01-08

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