KR930700759A - 촉매 변환기의 실제 온도를 고려하여 내연기관을 제어하는 방법 및 장치 - Google Patents

촉매 변환기의 실제 온도를 고려하여 내연기관을 제어하는 방법 및 장치

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Publication number
KR930700759A
KR930700759A KR1019920702244A KR920702244A KR930700759A KR 930700759 A KR930700759 A KR 930700759A KR 1019920702244 A KR1019920702244 A KR 1019920702244A KR 920702244 A KR920702244 A KR 920702244A KR 930700759 A KR930700759 A KR 930700759A
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South Korea
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engine
catalytic converter
temperature
control
data
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KR1019920702244A
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English (en)
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KR100187712B1 (ko
Inventor
볼프강 마우스
헬무트 스바르스
롤프 브릭
Original Assignee
마우스,나쓰
에미텍 게젤샤프트 퓌어 에미시온스테크놀로지 엠베하
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Priority claimed from DE4103747A external-priority patent/DE4103747A1/de
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Classifications

    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • 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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • 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
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • 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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • 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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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
    • Y02T10/12—Improving ICE efficiencies
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

내용 없음.

Description

촉매 변환기의 실제 온도를 고려하여 내연기관을 제어하는 방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 기관 제어 장치 및 촉매 감시 장치의 개략도.

Claims (13)

  1. 다수의 측정값을 측정라인(3)을 통해 받아 처리하며 기관(1)의 운전을 위해 제어 데이타로 바꾸고 기관 공급 라인(4)을 통해 예를들면 연료 분사 장치, 공기공급 장치, 점화 장치등의 제어를 위해 기관에 전달하는 기관 제어장치(2)를 가진 내연기관(1)의 제어 방법에 있어서, 기관(1)뒤에 연결된 촉매 변환기(8)의 온도가 직접 측정되며, 적어도 하나의 데이타 라인(12)을 통해 기관 제어장치(2)에 제공되고 거기에서 다른 측정값과 함께 처리되는 것을 특징으로 하는 기관제어장치를 가진 내연기관의 제어방법.
  2. 제1항에 있어서, 촉매 변환기(8)의 측정 온도가 설정된 임계값에 근접하거나 또는 설정된 문턱값을 초과하는 경우, 제어 데이타가 미리 고려되는 것이 아니라 최적의 제어 데이타에서 벗어난 후 변경되는 것을 특징으로 하는, 기관 제어장치(2)가 여러가지 운전 상태에서 촉매 변환기(8)를 보호하기 위해 소모 및/또는 출력에 대해 최적인 제어 데이타의 편차로 발생된 제어 데이타를 과열되기 전에 기관(1)에 전달하는 방법.
  3. 제1 또는 2항에 있어서, 촉매 변환기(8)에서의 온도는 적분식으로(integral) 측정하는 온도센서(TF;TF1;TF2)에 의해 측정되고, 이 온도센서는 촉매 변환기(8)의 대표적 영역, 특히 횡단면 및/또는 종단면에 걸쳐 연장되어 있는 것을 특징으로 하는 방법.
  4. 제1,2 또는 3항에 있어서, 촉매 변환기(8)에서의 온도 분포는 2 또는 다수의 온도센서(TF1,TF2)로부터 감시장치(10)를 통해 검출되고 온도분포 또는 산출된 최대값은 데이타 라인(12)을 통해 기관 제어장치(2)에 전달되는 것을 특징으로 하는 방법.
  5. 제4항에 있어서, 감시 장치(10)는 온도 측정 데이타로부터 촉매 변환기(8)의 기능 및 동작 상태를 감시하며 감시 결과는 진단 라인(15)을 통해 계기판(16) 또는 데이타 메모리에 전달되는 것을 특징으로 하는 방법.
  6. 제4 또는 5항에 있어서, 기관 제어 장치(2)의 데이타, 예를들면 회전수, 흡입압력, 연료공급등이 데이타 라인(11)을 통해 촉매 변환기(8)의 상태 및/또는 온도분포를 정하기 위한 감시 장치(10)에서 이용되는 것을 특징으로 하는 방법.
  7. 전술한 항 중 어느 한 항에 있어서, 촉매 변환기(8)의 측정온도가 전기적 가열을 제어하기 위해 부가적으로 처리되는 것을 특징으로 하는 촉매 변환기(8)의 전기 가열된 방법.
  8. 전술한 항 중 어느 한 항에 있어서, 기관 제어장치(2)는 촉매 변환기(8)의 임계 온도에 도달하는 경우에 비로서 기관(1)의 제어를 변경함으로써, 촉매 변환기의 온도가, 예를들면 연료와 공기의 비율을 변경함으로써 또는 점화 시점등을 취소하므로써 더 이상 상승되지 않는 것을 특징으로 하는 방법.
  9. 전술한 항 중 어느 한 항에 있어서, 촉매 변환기(8)의 온도의 시간적인 반응이 감시되고 이로부터 기관(1)의 비정상적 상태, 예를들면 스파크실패가 추론되는 것을 특징으로 하는 방법.
  10. a) 촉매 변환기에 또는 그 안에 집적된 적어도 하나의 온도센서(TF;TF1,TF2)를 가진 촉매 변환기(8)와; b) 측정라인(3,7)에 의해 전달된 다수의 측정 데이타를 기관(1)의 운전을 위한 제어 데이타로 바꾸어 기관 공급라인(4)을 통해 기관(1)에 전달하는 기관 제어장치(2)와; c) 온도 측정값을 촉매 변환기(8)로부터 기관 제어장치(2)에 제공하는 적어도 하나의 데이타 라인(12)을 포함하는, 내연기관(1)의 배기가스에 대한 촉매 변환기(8)의 온도 감시 및 내연기관(1)의 제어를 위한 장치.
  11. 제10항에 있어서, 촉매 변환기(8)에 적어도 2개의 온도센서(TF1,TF2)가 배열되어 있는 것을 특징으로 하는 장치.
  12. 제10 또는 11항에 있어서, 촉매 변환기(8)로부터의 온도 측정값을 전자적으로 처리하며 데이타 라인(12)을 통해 기판 제어장치(2)에 전달하는 감시장치(10)가 제공되는 것을 특징으로 하는 장치.
  13. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임
KR1019920702244A 1990-03-19 1991-03-18 촉매변환기의 실제 온도를 이용하여 내연기관을 제어하는 방법 및 장치 KR100187712B1 (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE4008779 1990-03-19
DEP4008779.4 1990-03-19
DEP4008779,4 1990-03-19
DE4103747A DE4103747A1 (de) 1991-02-07 1991-02-07 Verfahren und vorrichtung zur steuerung eines verbrennungsmotors unter einbeziehung der aktuellen temperatur eines nachgeschalteten katalysators
DEP4103747,2 1991-02-07
DEP4103747.2 1991-02-07
PCT/EP1991/000519 WO1991014856A1 (de) 1990-03-19 1991-03-18 Verfahren und vorrichtung zur steuerung eines verbrennungsmotors unter einbeziehung der aktuellen temperatur eines nachgeschalteten katalysators

Publications (2)

Publication Number Publication Date
KR930700759A true KR930700759A (ko) 1993-03-16
KR100187712B1 KR100187712B1 (ko) 1999-06-01

Family

ID=25891298

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Country Status (10)

Country Link
US (1) US5307626A (ko)
EP (1) EP0521050B1 (ko)
JP (1) JP2654430B2 (ko)
KR (1) KR100187712B1 (ko)
AT (1) ATE180869T1 (ko)
BR (1) BR9106254A (ko)
DE (1) DE59109132D1 (ko)
ES (1) ES2134194T3 (ko)
RU (1) RU2062891C1 (ko)
WO (1) WO1991014856A1 (ko)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4027207A1 (de) * 1990-08-28 1992-03-05 Emitec Emissionstechnologie Ueberwachung der katalytischen aktivitaet eines katalysators im abgassystem einer brennkraftmaschine
US5489777A (en) * 1990-12-26 1996-02-06 Denver Seminary Apparatus for remote analysis of vehicle emissions using reflective thermography
DE4211092A1 (de) * 1992-04-03 1993-10-07 Bosch Gmbh Robert Verfahren und Vorrichtung zum Beurteilen der Funktionsfähigkeit eines Katalysators
EP0655104B1 (de) * 1992-08-17 1997-12-10 Emitec Gesellschaft für Emissionstechnologie mbH Verfahren zur überwachung der funktion eines katalytischen konverters
DE4227207C2 (de) * 1992-08-17 1996-10-31 Emitec Emissionstechnologie Verfahren zur Überprüfung zumindest eines Bereiches eines von einem Fluid entlang einer Strömungsrichtung durchströmbaren wabenförmigen katalytischen Konverters im Abgassystem eines Verbrennungsmotors
DE4303601A1 (de) * 1993-02-08 1994-08-11 Emitec Emissionstechnologie Elektrisch beheizbarer Wabenkörper mit durch Schlitze erhöhtem Widerstand
DE4308894A1 (de) * 1993-03-19 1994-09-22 Siemens Ag Verfahren zur Überprüfung der Konvertierung eines Katalysators
DE4343639A1 (de) * 1993-12-21 1995-06-22 Bosch Gmbh Robert Verfahren zur Überwachung eines Sekundärluftsytems in Verbindung mit dem Abgassystem eines Kraftfahrzeugs
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JP2654430B2 (ja) 1997-09-17
JPH05505660A (ja) 1993-08-19
RU2062891C1 (ru) 1996-06-27
ATE180869T1 (de) 1999-06-15
EP0521050A1 (de) 1993-01-07
KR100187712B1 (ko) 1999-06-01
US5307626A (en) 1994-05-03
DE59109132D1 (de) 1999-07-08
EP0521050B1 (de) 1999-06-02

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