GB2310725B - Method for detecting sensor element resistance - Google Patents

Method for detecting sensor element resistance

Info

Publication number
GB2310725B
GB2310725B GB9704113A GB9704113A GB2310725B GB 2310725 B GB2310725 B GB 2310725B GB 9704113 A GB9704113 A GB 9704113A GB 9704113 A GB9704113 A GB 9704113A GB 2310725 B GB2310725 B GB 2310725B
Authority
GB
United Kingdom
Prior art keywords
sensor element
detecting sensor
element resistance
resistance
detecting
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 - Lifetime
Application number
GB9704113A
Other versions
GB2310725A (en
GB9704113D0 (en
Inventor
Masayuki Takami
Tomomichi Mizoguchi
Satoshi Haseda
Kazuhiro Okazaki
Koji Jono
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Publication of GB9704113D0 publication Critical patent/GB9704113D0/en
Publication of GB2310725A publication Critical patent/GB2310725A/en
Application granted granted Critical
Publication of GB2310725B publication Critical patent/GB2310725B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/4067—Means for heating or controlling the temperature of the solid electrolyte
    • 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
    • F02D41/1493—Details
    • F02D41/1494—Control of sensor heater
    • 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
    • F02D41/1493—Details
    • F02D41/1496—Measurement of the conductivity of a sensor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/4065—Circuit arrangements specially adapted therefor
    • 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
    • F02D41/1454—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 oxygen content or concentration or the air-fuel ratio
    • F02D41/1456—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 oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Molecular Biology (AREA)
  • Combustion & Propulsion (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
GB9704113A 1996-02-28 1997-02-27 Method for detecting sensor element resistance Expired - Lifetime GB2310725B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4177496 1996-02-28
JP20741096A JP3692640B2 (en) 1996-02-28 1996-08-06 Method for detecting element resistance of oxygen concentration sensor

Publications (3)

Publication Number Publication Date
GB9704113D0 GB9704113D0 (en) 1997-04-16
GB2310725A GB2310725A (en) 1997-09-03
GB2310725B true GB2310725B (en) 1999-08-25

Family

ID=26381437

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9704113A Expired - Lifetime GB2310725B (en) 1996-02-28 1997-02-27 Method for detecting sensor element resistance

Country Status (3)

Country Link
JP (1) JP3692640B2 (en)
DE (1) DE19708011B4 (en)
GB (1) GB2310725B (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6242928B1 (en) 1998-01-16 2001-06-05 Denso Corporation Method and apparatus for detecting resistance of oxygen concentration sensor
JPH11271265A (en) 1998-03-20 1999-10-05 Denso Corp Element resistance detecting method for gas concentration sensor, and gas concentration detecting device
JP3587073B2 (en) 1998-05-27 2004-11-10 トヨタ自動車株式会社 Control device for air-fuel ratio sensor
US6382015B1 (en) * 1998-06-11 2002-05-07 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio sensor resistance detecting apparatus
JP3612699B2 (en) 1998-07-13 2005-01-19 株式会社デンソー Oxygen concentration sensor element impedance detection device
JP3846058B2 (en) * 1998-09-04 2006-11-15 株式会社デンソー Gas concentration detector
EP0994345B1 (en) 1998-10-13 2014-02-26 Denso Corporation Power supply control system for heater used in gas concentration sensor
JP4385423B2 (en) * 1999-02-04 2009-12-16 トヨタ自動車株式会社 Exhaust temperature measuring device
JP3570274B2 (en) 1999-03-04 2004-09-29 トヨタ自動車株式会社 Control device for air-fuel ratio sensor
JP3719912B2 (en) 2000-06-07 2005-11-24 三菱電機株式会社 Temperature sensor for exhaust gas sensor
JP4295900B2 (en) 2000-07-03 2009-07-15 三菱電機株式会社 Heater control device for exhaust gas sensor
JP3833467B2 (en) * 2000-11-22 2006-10-11 三菱電機株式会社 Exhaust gas sensor deterioration detection device
JP4524910B2 (en) 2000-12-08 2010-08-18 株式会社デンソー Multilayer gas sensor and gas concentration detection apparatus using the same
DE10101755C1 (en) * 2001-01-16 2002-07-11 Siemens Ag Device for determining the internal resistance of a linear oxygen probe
JP3855979B2 (en) 2003-08-04 2006-12-13 トヨタ自動車株式会社 Control device for exhaust gas sensor of internal combustion engine
JP2006194826A (en) * 2005-01-17 2006-07-27 Hitachi Ltd Degradation determining device of oxygen sensor
JP2006250695A (en) * 2005-03-10 2006-09-21 Fujitsu Ten Ltd Method and device for controlling oxygen concentration sensor
DE102008020651B3 (en) 2008-04-24 2009-12-31 Continental Automotive Gmbh An electrochemical gas sensor drive circuit and method of adjusting an electrochemical gas sensor
JP5149341B2 (en) * 2010-07-07 2013-02-20 日本特殊陶業株式会社 Sensor control device and sensor control system
DE102010031315A1 (en) * 2010-07-14 2012-01-19 Bayerische Motoren Werke Aktiengesellschaft Method for computer-based determination of temperature of lambda sensors i.e. broadband lambda sensors, involves computing inner resistance, and determining temperature of lambda sensor from known context of inner resistance
DE102010040147A1 (en) 2010-09-02 2012-03-08 Robert Bosch Gmbh Method for quantitative and/or qualitative detection of e.g. physical property of exhaust gas of internal combustion engine of motor car for detecting e.g. ammonia, involves determining temperature of element from resistance of cell
DE102011005966A1 (en) 2011-03-23 2012-09-27 Robert Bosch Gmbh Method for operating electrochemical energy converter, particularly of sensor element for detection of characteristic of gas in measuring gas chamber, involves providing electrochemical energy converter with two electrodes and electrolytes
JP5648001B2 (en) * 2012-01-13 2015-01-07 日本特殊陶業株式会社 Gas sensor processing equipment
JP6323357B2 (en) 2015-02-09 2018-05-16 株式会社デンソー Internal combustion engine control device
JP2017116309A (en) * 2015-12-22 2017-06-29 株式会社デンソー Gas concentration detector of internal combustion engine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419190A (en) * 1981-05-06 1983-12-06 Robert Bosch Gmbh Method and apparatus to measure the operating temperature of solid electrolyte-type gas sensors
US4576705A (en) * 1983-05-26 1986-03-18 Kabushiki Kaisha Toyota Chuo Kenkyusho Apparatus with polarographic sensor to detect concentrations of plurality of gas components
US4626338A (en) * 1981-05-01 1986-12-02 Kabushiki Kaisha Toyota Chuo Kenkyusho Equipment for detecting oxygen concentration
US5405521A (en) * 1992-12-02 1995-04-11 Nippondenso Co., Ltd. Oxygen concentration measuring device
GB2285314A (en) * 1993-12-30 1995-07-05 Bosch Gmbh Robert Device for calibrating and evaluating signals from exhaust gas oxygen probes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4407704A (en) * 1979-12-04 1983-10-04 Ngk Insulators, Ltd. Oxygen concentration detector and a method of detecting oxygen concentration
JPS57192855A (en) * 1981-05-25 1982-11-27 Ngk Insulators Ltd Oxygen concentration detector
JPS59163556A (en) * 1983-03-08 1984-09-14 Nippon Denso Co Ltd Oxygen concentration detecting apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626338A (en) * 1981-05-01 1986-12-02 Kabushiki Kaisha Toyota Chuo Kenkyusho Equipment for detecting oxygen concentration
US4419190A (en) * 1981-05-06 1983-12-06 Robert Bosch Gmbh Method and apparatus to measure the operating temperature of solid electrolyte-type gas sensors
US4576705A (en) * 1983-05-26 1986-03-18 Kabushiki Kaisha Toyota Chuo Kenkyusho Apparatus with polarographic sensor to detect concentrations of plurality of gas components
US5405521A (en) * 1992-12-02 1995-04-11 Nippondenso Co., Ltd. Oxygen concentration measuring device
GB2285314A (en) * 1993-12-30 1995-07-05 Bosch Gmbh Robert Device for calibrating and evaluating signals from exhaust gas oxygen probes

Also Published As

Publication number Publication date
JP3692640B2 (en) 2005-09-07
GB2310725A (en) 1997-09-03
DE19708011B4 (en) 2009-12-03
JPH09292364A (en) 1997-11-11
DE19708011A1 (en) 1997-09-11
GB9704113D0 (en) 1997-04-16

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20170226