KR920016701A - Exhaust gas sensor heating method and device - Google Patents

Exhaust gas sensor heating method and device Download PDF

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Publication number
KR920016701A
KR920016701A KR1019920003052A KR920003052A KR920016701A KR 920016701 A KR920016701 A KR 920016701A KR 1019920003052 A KR1019920003052 A KR 1019920003052A KR 920003052 A KR920003052 A KR 920003052A KR 920016701 A KR920016701 A KR 920016701A
Authority
KR
South Korea
Prior art keywords
gas sensor
exhaust gas
heating
temperature
internal resistance
Prior art date
Application number
KR1019920003052A
Other languages
Korean (ko)
Inventor
융깅거 에리히
라프 로타르
슈나이벨 에버하르트
Original Assignee
랄프 베렌스·게오르그 뮐러
로베르트 보쉬 게엠베하
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 랄프 베렌스·게오르그 뮐러, 로베르트 보쉬 게엠베하 filed Critical 랄프 베렌스·게오르그 뮐러
Publication of KR920016701A publication Critical patent/KR920016701A/en

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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
    • F02D41/1494—Control of sensor heater
    • 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
    • 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
    • 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
    • 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

Abstract

내용 없음No content

Description

배기 가스 센서 가열방법 및 그 장치Exhaust gas sensor heating method and device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 제어장치의 전체의 구성을 도시하는 블럭도, 제2A도는 폐루프 제어가 행해지지 아니한 가열법에 의해 얻어지는 배기 가스센서 온도의 특성을 도시하는 특성도, 제2B도는 온 오프 동작 제어를 행하여 전체 부하기 가열을 차단하는 제어시에 얻어지는 배기가스 센선의 온도 특성을 도시하는 특성도, 제2C도는 본 발명의 제어에 의해 얻어지는 배기가스 센서의 온도 특성을 도시하는 특성도.FIG. 1 is a block diagram showing the overall configuration of the control apparatus of the present invention, FIG. 2A is a characteristic diagram showing the characteristics of the exhaust gas sensor temperature obtained by the heating method without closed loop control, and FIG. 2B is an on-off Fig. 2C is a characteristic diagram showing the temperature characteristic of the exhaust gas sensor obtained by the control of the present invention, and the temperature characteristic of the exhaust gas sensor line obtained at the time of control to cut off the entire load heating.

Claims (3)

저항이 그 온도에 의존하는 전기 가열수단에 의해 내연기관의 배기관에 설치된 배기가스 센서를 가열하는 배기가스 센서 가열방법에 있어서, 배기가스 센서의 온도를 검출하기 위해 배기가스 센서 혹은 가열장치의 내부 저항을 측정하고, 측정된 내부 저항을 연속 동작 제어에 의해 소정 목표값으로 페루프 제어하고,상기 목표값이, 가열 전력을 공급하는 일이 없는 고부하상태의 소정의 내연기관의 운전상태에서 배기가스 센서가 취하는 온도값에 대응하는 것을 특징으로 하는 배기가스 센서의 가열방법.An exhaust gas sensor heating method of heating an exhaust gas sensor installed in an exhaust pipe of an internal combustion engine by an electric heating means whose resistance is dependent on the temperature, wherein the internal resistance of the exhaust gas sensor or the heating device is used to detect the temperature of the exhaust gas sensor. Exhaust gas sensor in the operating state of a predetermined internal combustion engine in a high load state in which the target value is not supplied with heating power by controlling the measured internal resistance to a predetermined target value by continuous operation control. Heating method of an exhaust gas sensor, characterized in that it corresponds to a temperature value. 제1항의 방법을 실시하는 배기가스 센서 가열장치에 있어서 배기가스 센서의 온도를 검출하기 위해 배기가스 센서 혹은 가열장치의 내부저항을 측정하는 수단과 측정된 내부저항을 연속 동작 제어에 의해 소정의 목표값으로 페루프 제어하는 수단을 설치하고,상기 목표값이, 가열전력을 공급하는 일이 없는 고부하 상태의 소정의 내연기관의 운전상태에서 배기가스 센서가 취하는 온도값에 대응하는 것을 특징으로 하는 배기가스 센서 가열장치.In the exhaust gas sensor heating apparatus implementing the method of claim 1, a means for measuring the internal resistance of the exhaust gas sensor or the heating apparatus for detecting the temperature of the exhaust gas sensor and the measured internal resistance are determined by the continuous operation control. A means for controlling the sweep to a value, wherein the target value corresponds to a temperature value taken by the exhaust gas sensor in an operating state of a predetermined internal combustion engine in a high load state in which no heating power is supplied. Gas sensor heater. 제2항에 있어서, 상기 가열수단이 약 절반의 밧데리 전압으로 18에서 22와트의 전력을 열로 변환 하도록 구성되는 것을 특징으로 하는 장치.3. The apparatus of claim 2, wherein the heating means is configured to convert 18 to 22 watts of power to heat at about half the battery voltage. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920003052A 1991-02-28 1992-02-27 Exhaust gas sensor heating method and device KR920016701A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4106308A DE4106308C2 (en) 1991-02-28 1991-02-28 Method and device for temperature control for an exhaust gas probe
DEP4106308.2 1991-02-28

Publications (1)

Publication Number Publication Date
KR920016701A true KR920016701A (en) 1992-09-25

Family

ID=6426093

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920003052A KR920016701A (en) 1991-02-28 1992-02-27 Exhaust gas sensor heating method and device

Country Status (3)

Country Link
JP (1) JP3146047B2 (en)
KR (1) KR920016701A (en)
DE (1) DE4106308C2 (en)

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FR2701568B1 (en) * 1993-02-10 1995-05-05 Siemens Automotive Sa Method and device for digital measurement of a voltage varying within a predetermined voltage range and their uses.
JPH0861121A (en) * 1994-06-29 1996-03-05 Ford Motor Co Control method of air/fuel ratio of engine by exhaust-gas oxygen sensor controlled by electric heater
JP3303638B2 (en) * 1995-12-05 2002-07-22 トヨタ自動車株式会社 Air-fuel ratio sensor heater control device
JP3275672B2 (en) * 1995-12-06 2002-04-15 トヨタ自動車株式会社 Air-fuel ratio sensor heater control device
DE19629554C2 (en) * 1996-07-22 2000-05-25 Siemens Ag Temperature control method for a lambda probe
DE19629552C1 (en) * 1996-07-22 1997-12-18 Siemens Ag IC engine exhaust gas probe temp. drift compensation device
DE19817650C2 (en) * 1998-04-21 2002-05-08 Ford Werke Ag Method and device for regulating the temperature of an exhaust gas treatment arrangement
EP1026501B1 (en) * 1999-02-03 2010-10-06 Denso Corporation Gas concentration measuring apparatus compensating for error component of output signal
DE10027900B4 (en) * 2000-06-06 2018-11-15 Delphi Technologies, Inc. Arrangement for determining the operating temperature of an exhaust gas probe
DE10036129B4 (en) * 2000-07-25 2009-12-17 Volkswagen Ag Method for measuring an exhaust gas composition
US6586711B2 (en) * 2001-07-27 2003-07-01 General Motors Corporation Current control method for an oxygen sensor heater
JP3824959B2 (en) * 2002-03-29 2006-09-20 本田技研工業株式会社 Exhaust gas sensor temperature control device
JP2003315305A (en) 2002-04-22 2003-11-06 Honda Motor Co Ltd Temperature controlling device for exhaust gas sensor
JP3863467B2 (en) * 2002-07-22 2006-12-27 本田技研工業株式会社 Exhaust gas sensor temperature control device
JP4503222B2 (en) * 2002-08-08 2010-07-14 本田技研工業株式会社 Air-fuel ratio control device for internal combustion engine
CN101389953B (en) * 2006-02-28 2012-05-16 丰田自动车株式会社 Temperature control apparatus for heater-equipped sensor
DE102006053808B4 (en) * 2006-11-15 2021-01-07 Robert Bosch Gmbh Method for determining the temperature of a measuring probe

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DE2731541A1 (en) * 1977-07-13 1979-02-01 Bosch Gmbh Robert PROCESS AND EQUIPMENT FOR CONTROLLING MEASURING PROBE HEATING, IN PARTICULAR IN MOTOR VEHICLES
DE3117790A1 (en) * 1981-05-06 1982-11-25 Robert Bosch Gmbh, 7000 Stuttgart METHOD AND DEVICE FOR MEASURING TEMPERATURE WITH OXYGEN PROBES

Also Published As

Publication number Publication date
JP3146047B2 (en) 2001-03-12
JPH07167830A (en) 1995-07-04
DE4106308C2 (en) 2000-06-15
DE4106308A1 (en) 1992-09-03

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