KR920002917A - 공연비 검출장치 - Google Patents

공연비 검출장치 Download PDF

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Publication number
KR920002917A
KR920002917A KR1019910012362A KR910012362A KR920002917A KR 920002917 A KR920002917 A KR 920002917A KR 1019910012362 A KR1019910012362 A KR 1019910012362A KR 910012362 A KR910012362 A KR 910012362A KR 920002917 A KR920002917 A KR 920002917A
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KR
South Korea
Prior art keywords
pressure
air
fuel ratio
information
exhaust
Prior art date
Application number
KR1019910012362A
Other languages
English (en)
Other versions
KR940010728B1 (ko
Inventor
테쯔로 이시다
Original Assignee
나까무라 유이찌
미쯔비시지도오샤 고오교오 가부시기가이샤
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.)
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Application filed by 나까무라 유이찌, 미쯔비시지도오샤 고오교오 가부시기가이샤 filed Critical 나까무라 유이찌
Publication of KR920002917A publication Critical patent/KR920002917A/ko
Application granted granted Critical
Publication of KR940010728B1 publication Critical patent/KR940010728B1/ko

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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
    • F02D41/04—Introducing corrections for particular operating conditions
    • 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
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • 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
    • 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

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

Abstract

내용 없음

Description

공연비 검출장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 주요부를 개념적으로 표시한 구성 블록도.
제2도는 본 발명의 일실시예로서의 공연비센서출력의 보정방법을 설명하는 처리 공정도.
제3도는 상기 보정방법을 실시 가능한 연료 분사 제어장치의 전체 구성도.

Claims (8)

  1. 혼합기연소후의 배기 속의 산소농도에 따른 공연비정보를 출력하는 공연비 센서와, 상기 배기 속의 압력치를 산출하는 배기압산출 수단과, 상기 고연비센서가 설치된 분위기 속의 압력이고 상기 공연비센서를 기준의 출력특성으로 규정하는 기준압력과 상기 압력치와의 차를 연산하는 압력차 연산수단과, 상기 공연비정보에 의거하여 공연비를 산출하는 동시에 상기 압력차 연산수단의 출력에 따른 보정을 행하여, 압력보정된 공연비를 출력하는 공연비 산출수단을 구비한 것을 특징으로 하는 공연비 검출장치.
  2. 제2항에 있어서, 상기 공연비센서가 미세구멍확산주체의 출력특성을 가진 것을 특징으로 하는 공연비검출장치.
  3. 제2항에 있어서, 상기 배기압산출 수단이 상기 배기의 압력에 따른 압력정보를 검출하는 압력 정보출력수단을 구비하고 적어도 상기 압력정보에 의거하여 상기 압력치를 산출하는 것을 특징으로 하는 공연비검출장치.
  4. 제3항에 있어서, 상기 압력정보 출력수단이 배기관 내에 배설되고 또한 배기가스의 압력을 직접 검출하는 압력센서인 것을 특징으로 하는 공연비검출장치.
  5. 제3항에 있어서, 상기 압력정보 출력수단이 기관의 운전상태정보에 따라 상기 배기가스의 압력에 의거한 압력정보를 출력하는 것을 특징으로 하는 공연비검출장치.
  6. 제5항에 있어서, 상기 운전상태 정보가 기관회전속도 및 흡입 공기량저정보주 적어도 한쪽인 것을 특징으로 하는 공연비 검출장치.
  7. 제4항 또는 제6항에 있어서, 상기 배기압산출 수단이 또 대기의 압력정보를 입력하고 이 대기압정보 및 상기 압력정보에 의거하여 상기 압력치를 산출하는 것을 특징으로 하는 공연비검출장치.
  8. 제2항에 있어서, 상기 배기압산출수단이 대기의 압력정보를 입력하고, 이 대기압정보에 의거하여 상기 압력치를 산출하는 것을 특징으로 하는 공연비 검출장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910012362A 1990-07-20 1991-07-19 공연비 검출장치 KR940010728B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2193583A JP2600453B2 (ja) 1990-07-20 1990-07-20 空燃比センサ出力の補正方法
JP90-193583 1990-07-20
JP2-193583 1990-07-20

Publications (2)

Publication Number Publication Date
KR920002917A true KR920002917A (ko) 1992-02-28
KR940010728B1 KR940010728B1 (ko) 1994-10-24

Family

ID=16310405

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910012362A KR940010728B1 (ko) 1990-07-20 1991-07-19 공연비 검출장치

Country Status (4)

Country Link
US (1) US5289717A (ko)
JP (1) JP2600453B2 (ko)
KR (1) KR940010728B1 (ko)
DE (1) DE4124080C2 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4317942C2 (de) * 1992-06-01 1995-02-23 Hitachi Ltd Anordnung und Verfahren zur Erfassung des Verbrennungsluftverhältnisses für Verbrennungskraftmaschinen
DE4241571A1 (de) * 1992-12-10 1994-07-28 Apl Automobil Prueftechnik Lan Verfahren zum Betrieb einer Verbrennungskraftmaschine und Einrichtung zur Durchführung des Verfahrens
DE102004030605B3 (de) * 2004-06-24 2006-02-09 Siemens Ag Verfahren zur Steuerung einer Brennkraftmaschine mit einer Aufladevorrichtung
WO2007119311A1 (ja) * 2006-03-15 2007-10-25 Ngk Insulators, Ltd. ＮＯｘセンサの出力補正方法
JP4609545B2 (ja) * 2008-08-06 2011-01-12 株式会社デンソー ガスセンサの信号処理装置
JP5488307B2 (ja) 2010-07-30 2014-05-14 トヨタ自動車株式会社 空燃比気筒間インバランス判定装置
WO2012020500A1 (ja) 2010-08-12 2012-02-16 トヨタ自動車株式会社 内燃機関の燃料噴射量制御装置
CN104655426B (zh) * 2013-11-20 2017-08-04 比亚迪股份有限公司 汽油掺氧发动机的标定方法和装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2341422A1 (de) * 1973-08-16 1975-02-27 Bosch Gmbh Robert Messgeraet
JPS5996454A (ja) * 1982-11-24 1984-06-02 Mazda Motor Corp エンジンの空燃比制御装置
JPH0635955B2 (ja) * 1986-07-30 1994-05-11 三菱自動車工業株式会社 空燃比検出装置
JPS6354063U (ko) * 1986-09-29 1988-04-11
JPH07111412B2 (ja) * 1986-12-27 1995-11-29 日本特殊陶業株式会社 空燃比センサ

Also Published As

Publication number Publication date
JP2600453B2 (ja) 1997-04-16
US5289717A (en) 1994-03-01
JPH0480653A (ja) 1992-03-13
DE4124080A1 (de) 1992-01-23
KR940010728B1 (ko) 1994-10-24
DE4124080C2 (de) 1998-02-19

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