FR2764068B1 - Circuit pour mesurer le courant dans les electrodes d'un capteur de gaz en ceramique - Google Patents

Circuit pour mesurer le courant dans les electrodes d'un capteur de gaz en ceramique

Info

Publication number
FR2764068B1
FR2764068B1 FR9806801A FR9806801A FR2764068B1 FR 2764068 B1 FR2764068 B1 FR 2764068B1 FR 9806801 A FR9806801 A FR 9806801A FR 9806801 A FR9806801 A FR 9806801A FR 2764068 B1 FR2764068 B1 FR 2764068B1
Authority
FR
France
Prior art keywords
electrodes
measuring
circuit
current
gas sensor
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 - Fee Related
Application number
FR9806801A
Other languages
English (en)
Other versions
FR2764068A1 (fr
Inventor
Rene Schenk
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 FR2764068A1 publication Critical patent/FR2764068A1/fr
Application granted granted Critical
Publication of FR2764068B1 publication Critical patent/FR2764068B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • G01N27/416—Systems
    • G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
    • G01N27/419—Measuring voltages or currents with a combination of oxygen pumping cells and oxygen concentration cells
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
FR9806801A 1997-05-31 1998-05-29 Circuit pour mesurer le courant dans les electrodes d'un capteur de gaz en ceramique Expired - Fee Related FR2764068B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722872A DE19722872B4 (de) 1997-05-31 1997-05-31 Schaltung zur Messung des Elektrodenstroms eines keramischen Gassensors

Publications (2)

Publication Number Publication Date
FR2764068A1 FR2764068A1 (fr) 1998-12-04
FR2764068B1 true FR2764068B1 (fr) 2000-08-18

Family

ID=7831053

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9806801A Expired - Fee Related FR2764068B1 (fr) 1997-05-31 1998-05-29 Circuit pour mesurer le courant dans les electrodes d'un capteur de gaz en ceramique

Country Status (3)

Country Link
US (1) US6160404A (fr)
DE (1) DE19722872B4 (fr)
FR (1) FR2764068B1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3612699B2 (ja) * 1998-07-13 2005-01-19 株式会社デンソー 酸素濃度センサ素子インピーダンス検出装置
DE10033730A1 (de) * 2000-07-12 2002-01-24 Siemens Ag Schaltungsanordnung zur Kompensation von Störgrößen in der Regelschleife einer Iinearen Lambdasonde
US6930531B2 (en) * 2003-10-30 2005-08-16 Texas Instruments Incorporated Circuit and method to compensate for RMR variations and for shunt resistance across RMR in an open loop current bias architecture
US7429856B1 (en) * 2007-11-20 2008-09-30 Qualitau, Inc. Voltage source measurement unit with minimized common mode errors
US7755348B1 (en) * 2009-03-28 2010-07-13 Cypress Semiconductor Corporation Current sensor output measurement system and method
CN103018530B (zh) * 2012-12-06 2015-08-19 杭州电子科技大学 一种超声波电源电流检测电路
CN105137154B (zh) * 2015-09-23 2018-07-17 中国人民解放军理工大学 测量自锁气放管启动电压并泄放剩余电流电路
CN105334409B (zh) * 2015-09-23 2018-07-17 中国人民解放军理工大学 一种适用于多种防雷元件特性检测的综合系统
JP2018048624A (ja) * 2016-09-14 2018-03-29 株式会社デンソー 空燃比検出装置
WO2018059658A1 (fr) * 2016-09-27 2018-04-05 Siemens Aktiengesellschaft Circuit de détermination de courant de défaut
DE102017126754B4 (de) * 2017-11-14 2019-07-11 Pilz Gmbh & Co. Kg Eingangsschaltung zum fehlersicheren Einlesen eines analogen Eingangssignals

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147513A (en) * 1977-09-26 1979-04-03 Bendix Autolite Corporation Method and apparatus for measuring the O2 content of a gas
US4233033A (en) * 1979-09-19 1980-11-11 Bendix Autolite Corporation Method and apparatus for measuring the O2 content of a gas
US4332225A (en) * 1980-10-02 1982-06-01 General Motors Corporation Internal combustion engine with oxygen sensor heater control
EP0102067B1 (fr) * 1982-08-27 1988-08-17 Kabushiki Kaisha Toshiba Dispositif de détection de monoxyde de carbone et circuit électrique pour son fonctionnement
JPS6319548A (ja) * 1986-07-14 1988-01-27 Honda Motor Co Ltd 酸素濃度検出装置
AU627742B2 (en) * 1988-10-18 1992-09-03 General Electric Company Current sensors
DE3840148A1 (de) * 1988-11-29 1990-05-31 Bosch Gmbh Robert Verfahren und vorrichtung zum erkennen eines fehlerzustandes einer lambdasonde
FR2656932B1 (fr) * 1990-01-09 1992-05-07 Sgs Thomson Microelectronics Circuit de mesure du courant dans un transistor mos de puissance.
DE19506011A1 (de) * 1995-02-17 1996-08-22 Siemens Ag Vorrichtung zur Reduzierung des Störsignalanteils bei einem Gassensor mit Heizelement
DE19525764A1 (de) * 1995-07-14 1997-01-16 Siemens Matsushita Components CO¶2¶-Sensor

Also Published As

Publication number Publication date
FR2764068A1 (fr) 1998-12-04
DE19722872B4 (de) 2006-09-28
DE19722872A1 (de) 1998-12-03
US6160404A (en) 2000-12-12

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090119