JPH0319957U - - Google Patents

Info

Publication number
JPH0319957U
JPH0319957U JP1989088227U JP8822789U JPH0319957U JP H0319957 U JPH0319957 U JP H0319957U JP 1989088227 U JP1989088227 U JP 1989088227U JP 8822789 U JP8822789 U JP 8822789U JP H0319957 U JPH0319957 U JP H0319957U
Authority
JP
Japan
Prior art keywords
power
heater
oxygen sensor
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.)
Granted
Application number
JP1989088227U
Other languages
English (en)
Other versions
JPH0738844Y2 (ja
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 filed Critical
Priority to JP1989088227U priority Critical patent/JPH0738844Y2/ja
Priority to US07/413,231 priority patent/US4938196A/en
Priority to DE3933517A priority patent/DE3933517C2/de
Publication of JPH0319957U publication Critical patent/JPH0319957U/ja
Application granted granted Critical
Publication of JPH0738844Y2 publication Critical patent/JPH0738844Y2/ja
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
    • 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
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • G05D23/2401—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor using a heating element as a sensing element
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Description

【図面の簡単な説明】
第１図は酸素センサに於ける温度と空燃比との
間の関係を示すグラフ、第２図は同一設計による
多数の酸素センサに於ける温度と抵抗の関係のば
らつきを示すグラフ、第３図は同一設計の多数の
酸素センサについてそれに対し供給される入熱量
とその温度との関係を示すグラフ、第４図は本考
案による酸素センサ用ヒータ制御装置の全体的構
成を示す概略図、第５図は本考案による酸素セン
サ用ヒータ制御装置の一つの実施例を示す電気回
路図、第６図は第５図の電気回路図に含まれる電
子制御回路の構成を示すブロツク図、第７図は本
考案による酸素センサ用ヒータ制御装置の一つの
実施例をその作動に於て示すフローチヤート、第
８図はヒータへ供給される電力の目標値からの偏
差に対するヒータ抵抗目標値の修正量の関係を示
すグラフ、第９図は第７図のフローチヤートの後
半に於ける各ステツプによつて達成されるヒータ
電力のデユーテイ比制御の態様を示すグラフ、第
１０図は第７図のフローチヤートの一部に追加さ
れる修正例の一つを示すフローチヤートの部分図
、第１１図〜第１４図はそれぞれ第１０図に示す
フローチヤートの修正に従つてステツプ２５に於
て前条件として採用される幾つかの条件を例示す
るグラフ、第１５図は第７図に示すフローチヤー
トに一部について行われる他の一つの修正例を示
すフローチヤートの部分図である。 １……内燃機関、２……排気系、３……酸素セ
ンサ、４……ヒータ、５……電力制御手段、６…
…運転状態検出手段、７……抵抗・電力算出手段
、８……抵抗値補正手段、１４……スイツチング
トランジスタ、１６……比較抵抗器、１８……作
動増幅器、２４……Ａ／Ｄ変換器、２６……電子
制御回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 内撚機関の排気中の酸素濃度を検出する酸素セ
    ンサに設けられたヒータの抵抗値を検出する手段
    を有し該抵抗値がその目標値となるように前記ヒ
    ータへ制御された電力を供給する酸素センサ用ヒ
    ータ制御装置にして、 内燃機関が所定の運転状態にあることを検出す
    る運転状態検出手段と、 内燃機関が前記所定の運転状態にあるとき前記
    ヒータの抵抗値と前記ヒータヘ供給される電力値
    を検出する抵抗・電力検出手段と、 前記抵抗・電力検出手段により検出された電力
    値と所定の標準電力値との差に応じて該差を打消
    す方向に前記目標値を補正する抵抗値補正手段と
    、 前記抵抗値補正手段により補正された前記目標
    値に従つて制御された電力を前記ヒータへ供給す
    る電力制御手段と、 を有することを特徴とする酸素センサ用ヒータ
    制御装置。
JP1989088227U 1988-10-07 1989-07-27 酸素センサ用ヒータ制御装置 Expired - Lifetime JPH0738844Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1989088227U JPH0738844Y2 (ja) 1988-10-07 1989-07-27 酸素センサ用ヒータ制御装置
US07/413,231 US4938196A (en) 1988-10-07 1989-09-27 Control device for heater for oxygen sensor operative to correct target resistance with reference to standard power supply thereto
DE3933517A DE3933517C2 (de) 1988-10-07 1989-10-06 Regeleinrichtung für ein Heizelement eines Sauerstoffsensors

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP13219588 1988-10-07
JP1-39007 1989-03-31
JP63-132195 1989-03-31
JP3900789 1989-03-31
JP1989088227U JPH0738844Y2 (ja) 1988-10-07 1989-07-27 酸素センサ用ヒータ制御装置

Publications (2)

Publication Number Publication Date
JPH0319957U true JPH0319957U (ja) 1991-02-27
JPH0738844Y2 JPH0738844Y2 (ja) 1995-09-06

Family

ID=27290006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989088227U Expired - Lifetime JPH0738844Y2 (ja) 1988-10-07 1989-07-27 酸素センサ用ヒータ制御装置

Country Status (3)

Country Link
US (1) US4938196A (ja)
JP (1) JPH0738844Y2 (ja)
DE (1) DE3933517C2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003065999A (ja) * 2001-08-28 2003-03-05 Denso Corp ガスセンサ素子の温度制御装置及び温度制御方法
JP2013539043A (ja) * 2010-10-06 2013-10-17 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング センサ素子の温度調整を行うための方法

Families Citing this family (38)

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JP2704991B2 (ja) * 1989-09-12 1998-01-26 本田技研工業株式会社 ヒータ付排気濃度センサの活性化判別方法
US5067465A (en) * 1990-02-15 1991-11-26 Fujitsu Ten Limited Lean burn internal combustion engine
US4993384A (en) * 1990-04-04 1991-02-19 Siemens Automotive L.P. Electric motor operated throttle for I.C. engine powered automotive vehicle
JPH04148856A (ja) * 1990-10-12 1992-05-21 Toyota Motor Corp 酸素濃度検出センサのヒータ制御装置
US5111792A (en) * 1991-06-07 1992-05-12 Toyota Jidosha Kabushiki Kaisha Apparatus for controlling heater for oxygen sensor and fuel control apparatus using the same
DE4132008C2 (de) * 1991-09-26 2000-04-06 Bosch Gmbh Robert Verfahren und Vorrichtung zur Überprüfung der Funktionsfähigkeit einer Heizung einer Sauerstoffsonde
US5259358A (en) * 1992-07-14 1993-11-09 Gas Research Institute Air-fuel ratio control system for catalytic engine exhaust emission control
US5291673A (en) * 1992-12-21 1994-03-08 Ford Motor Company Oxygen sensor system with signal correction
DE4300530C2 (de) * 1993-01-12 2001-02-08 Bosch Gmbh Robert System zum Betreiben eines Heizelements für einen keramischen Sensor in einem Kraftfahrzeug
US5454259A (en) * 1993-08-02 1995-10-03 Toyota Jidosha Kabushiki Kaisha Failure detecting apparatus in temperature controller of air-fuel ratio sensor
JP3056365B2 (ja) * 1993-12-28 2000-06-26 三菱電機株式会社 酸素濃度センサの制御装置
DE4344961B4 (de) * 1993-12-30 2004-05-06 Robert Bosch Gmbh Auswertevorrichtung für das Signal einer Sauerstoffsonde
JP3257319B2 (ja) * 1995-01-30 2002-02-18 トヨタ自動車株式会社 空燃比検出装置および方法
GB9510086D0 (en) * 1995-05-18 1995-07-12 British Gas Plc Internal combustion engine
JP2812247B2 (ja) * 1995-06-01 1998-10-22 トヨタ自動車株式会社 空燃比センサの活性状態判定装置
US5637786A (en) * 1995-07-05 1997-06-10 Ford Motor Company Series parallel heated oxygen sensor heater control
JP3303638B2 (ja) * 1995-12-05 2002-07-22 トヨタ自動車株式会社 空燃比センサのヒータ制御装置
JP3275672B2 (ja) * 1995-12-06 2002-04-15 トヨタ自動車株式会社 空燃比センサのヒータ制御装置
JP3275676B2 (ja) * 1995-12-14 2002-04-15 トヨタ自動車株式会社 空燃比センサのヒータ制御装置
JPH09196889A (ja) * 1996-01-16 1997-07-31 Toyota Motor Corp 空燃比検出装置
US5852228A (en) * 1996-07-10 1998-12-22 Denso Corporation Apparatus and method for controlling oxygen sensor heating
JP3204108B2 (ja) * 1996-08-23 2001-09-04 トヨタ自動車株式会社 空気温センサの異常検出装置
JP3340330B2 (ja) * 1996-11-12 2002-11-05 株式会社ユニシアジェックス エンジンにおける酸素センサの劣化診断装置
JP3385893B2 (ja) * 1997-02-21 2003-03-10 トヨタ自動車株式会社 内燃機関用空燃比センサのヒータ制御装置
JP3760558B2 (ja) * 1997-04-23 2006-03-29 株式会社デンソー 酸素センサのヒータ制御装置
US6164125A (en) * 1997-04-23 2000-12-26 Denso Corporation Detection of malfunction in gas concentration detection system
JP3843881B2 (ja) * 2001-05-31 2006-11-08 株式会社デンソー ガス濃度センサのヒータ制御装置
DE10244128B4 (de) * 2002-09-23 2006-06-14 Siemens Ag Verfahren zum Aufheizen eines Katalysators
DE10250219A1 (de) * 2002-10-23 2004-05-06 Volkswagen Ag Regler und Verfahren zur Regelung eines in einem Abgaskanal einer Verbrennungskraftmaschine angeordneten NOx-Sensors
US20050263422A1 (en) * 2004-05-28 2005-12-01 Kohler James P Cassette assembly
US7745209B2 (en) 2005-07-26 2010-06-29 Corning Incorporated Multilayered cell culture apparatus
US7745210B2 (en) * 2006-06-30 2010-06-29 Corning Incorporated Fluid flow diverter for cell culture vessel
US7897379B2 (en) 2007-02-26 2011-03-01 Corning Incorporated Device and method for reducing bubble formation in cell culture
US9309491B2 (en) * 2007-05-29 2016-04-12 Corning Incorporated Cell culture apparatus for co-culture of cells
US9897025B2 (en) * 2015-03-31 2018-02-20 GM Global Technology Operations LLC Method for controlling an internal combustion engine
US10429483B2 (en) * 2017-05-04 2019-10-01 Analog Devices Global Internal integrated circuit resistance calibration
US10871118B2 (en) * 2017-11-13 2020-12-22 Ford Global Technologies, Llc Systems and methods for reducing a light-off time of an oxygen sensor
JP6888563B2 (ja) * 2018-02-13 2021-06-16 トヨタ自動車株式会社 内燃機関の制御装置

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JPS60202348A (ja) * 1984-03-28 1985-10-12 Toyota Motor Corp 酸素センサ用ヒ−タの制御装置
JPS60235048A (ja) * 1984-05-07 1985-11-21 Toyota Motor Corp 酸素センサの抵抗発熱式電気ヒ−タの通電制御方法
JPS60235047A (ja) * 1984-05-07 1985-11-21 Toyota Motor Corp 内燃機関用ヒ−タ付酸素センサの温度制御方法
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US4721084A (en) * 1985-09-25 1988-01-26 Honda Giken Kogyo Kabushiki Kaisha Method for controlling an oxygen concentration sensor for sensing an oxygen concentration in an exhaust gas of an internal combustion engine
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003065999A (ja) * 2001-08-28 2003-03-05 Denso Corp ガスセンサ素子の温度制御装置及び温度制御方法
JP4681170B2 (ja) * 2001-08-28 2011-05-11 株式会社デンソー ガスセンサ素子の温度制御装置及び温度制御方法
JP2013539043A (ja) * 2010-10-06 2013-10-17 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング センサ素子の温度調整を行うための方法

Also Published As

Publication number Publication date
US4938196A (en) 1990-07-03
JPH0738844Y2 (ja) 1995-09-06
DE3933517C2 (de) 1998-05-07
DE3933517A1 (de) 1990-04-12

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