KR880012873A - 내연기관 제어장치 - Google Patents

내연기관 제어장치 Download PDF

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Publication number
KR880012873A
KR880012873A KR1019880004510A KR880004510A KR880012873A KR 880012873 A KR880012873 A KR 880012873A KR 1019880004510 A KR1019880004510 A KR 1019880004510A KR 880004510 A KR880004510 A KR 880004510A KR 880012873 A KR880012873 A KR 880012873A
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KR
South Korea
Prior art keywords
engine
detector
transmission element
combustion
combustion chamber
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KR1019880004510A
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English (en)
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KR930000346B1 (ko
Inventor
구로이와히로시
요시시게 오야마
도시하루 노기
Original Assignee
미다 가쓰시게
가부시기가이샤 히다지 세아사꾸쇼
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Priority claimed from JP62096123A external-priority patent/JPH0759934B2/ja
Priority claimed from JP62138071A external-priority patent/JPH0794808B2/ja
Application filed by 미다 가쓰시게, 가부시기가이샤 히다지 세아사꾸쇼 filed Critical 미다 가쓰시게
Publication of KR880012873A publication Critical patent/KR880012873A/ko
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Publication of KR930000346B1 publication Critical patent/KR930000346B1/ko

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    • 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
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/022—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using an optical sensor, e.g. in-cylinder light probe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/025—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining temperatures inside the cylinder, e.g. combustion temperatures
    • 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
    • F02D41/1451—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the sensor being an optical sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/045—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions combined with electronic control of other engine functions, e.g. fuel injection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • F02P5/152—Digital data processing dependent on pinking
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/042—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12
    • G01M15/048—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12 by monitoring temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
    • G01M15/102—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases
    • G01M15/108—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases using optical methods
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

내용 없음

Description

내연기관 제어장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명의 일실시예를 설명하기 위한 희박 연소제어의 흐름도, 제 2 도는 희박연소 제어장치의 개략도, 제 3 도는 공연비, 토오크 및 NOx특성도.

Claims (10)

  1. 내연기관의 운전상태를 검출하기 위한 다수의 검출기와 공기연료 비율(공연비) 검출기로부터의 신호가 입력되어지는 디지탈 연산장치를 구비하고, 상기 연산장치로부터의 출력 신호에 따라 공연비 및 점화시기를 제어하는 희박연소 제어 장치에 있어서, 상기 엔진의 실화상태 검출을 위한 실화 검출수단, 상기 엔진의 NOx농도 정보 검출수단, 실화검출기 및 상기 N0x농도 정보검출기로부터의 신호에 의하여 정하여진 허용안정 연소범위에 들어가서 연소가 안정되고 허용농도의 NOx를 발생하도록 하는 상기 공연비 및 상기 점화시기 제어 수단을 포함한 것을 특징으로 하는 희박연소 제어장치.
  2. 제 1 항에 있어서, 상기 실화검출 수단은 상기 엔진의 연소광 강도를 측정하기 위한 검출기이고, 상기 NOx농도 검출수단은 특정파장을 갖는 엔진의 연소 광 강도를 측정하기 위한 검출기인 것을 특징으로 하는 희박 연소 제어장치.
  3. 제 1 항에 있어서, 상기 실화검출 수단과 상기 NOx농도 검출 수단은 상기 엔진의 연소광을 온도로 변환하기 위한 검출기인 것을 특징으로 하는 희박 연소 제어장치.
  4. 제 1 항에 있어서, 상기 실화검출 수단과 NOx농도 검출수단은 광 전송소자와, 상기 엔진의 연소실에 배치되고 상기 광 전송 소자에 설치된 흑체를 포함한 온도 검출기인 것을 특징으로 하는 희박 연소 제어장치.
  5. 제 4 항에 있어서, 상기 전송소자는 석영으로 되어 있고, 상기 흑체는 상기 광 전송소자의 단부에 접착되어 상기 단부를 피복하고, 이리듐, 백금, 질화지르코늄 및 흑연으로 이루어진 그룹으로부터 선택된 하나의 성분으로 만들어진 얇은 막인 것을 특징으로 하는 희박 연소 제어장치.
  6. 운전 중의 엔진 조건을 검출하기 위해 제공된 검출기의 신호에 의하여 상기 엔진의 운전 조건을 제어하는 내연기관 제어장치에 있어서, 온도 관련 정보를 검출하기 위한 검출기를 포함하고, 상기 검출기는 광 전송소자와 상기 광 전송자상에 설치되고 상기 엔진의 연소실에 배치된 흑체를 포함하며 상기 연소실의 온도에 따른 방사에너지를 발생하여 그 방사에너지를 상기 광 전송소자를 통하여 연소실 밖으로 취출하는 것을 특징으로 하는 내연기관 제어장치.
  7. 제 6 항에 있어서, 상기 광 전송소자는 석영으로 되어 연장된 얇은 봉이고 상기 흑체는 이리듐, 백금, 질화지르코늄 및 흑연으로 이루어진 그룹으로부터 선택된 하나의 소자로 만들어진 상기 광 전송 소자의 일단에 점착된 얇은 막인 것을 특징으로 하는 내연기관 제어장치.
  8. 제 7 항에 있어서, 상기 흑체는 얇은 석영막으로 피복된 것을 특징으로 하는 내연기관 제어장치.
  9. 동작 중의 엔진 조건을 검출하기 위해 제공된 검출기로부터의 신호에 의하여 상기 엔진의 운전 조건을 제어하는 내연기관 제어장치에 있어서, 노크 발생시에 상기 연소실의 온도 변화를 검출하기 위하여 상기 엔진의 연소실에 배치된 검출기와, 상기 검출기의 검출 신호를 상기 연소실 밖으로 취출하기 위한 광 전송소자와, 상기 광 전송소자에 의하여 취출된 검출신호로부터 상기 노크 강도에 따른 출력신호를 발생하기 위한 정형회로와, 소정의 노크 강도로 되도록 상기 정형회로의 출력 신호에 의하여 상기 연소실의 점화시기를 보정하는 수단을 포함하여 상기 엔진을 최적 운전조건에 있게 한 것을 특징으로 하는 내연기관 제어장치.
  10. 제 9 항에 있어서, 상기 검출기는 상기 온도 변화에 대응하는 광학신호를 구하기 위한 것이고, 상기 검출기는 이리듐, 백금, 질화지르코늄 및 흑연으로 이루어진 그룹으로부터 선택된 일성분의 흑체를 포함하며, 상기 광 전송 소자는 용융 실리카봉이고 상기 흑체는 상기 용융 실리카 봉의 일단부에 설치된 것을 특징으로 하는 내연기관 제어장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880004510A 1987-04-21 1988-04-21 내연기관의 희박연소 제어장치 KR930000346B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP87-96123 1987-04-21
JP62096123A JPH0759934B2 (ja) 1987-04-21 1987-04-21 ノツク制御装置
JP???63-96123 1987-04-21
JP???62-138071 1987-06-03
JP87-138071 1987-06-03
JP62138071A JPH0794808B2 (ja) 1987-06-03 1987-06-03 リーンバーンエンジン制御装置及び制御方法

Publications (2)

Publication Number Publication Date
KR880012873A true KR880012873A (ko) 1988-11-29
KR930000346B1 KR930000346B1 (ko) 1993-01-16

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Application Number Title Priority Date Filing Date
KR1019880004510A KR930000346B1 (ko) 1987-04-21 1988-04-21 내연기관의 희박연소 제어장치

Country Status (4)

Country Link
US (2) US4887574A (ko)
EP (3) EP0288056B1 (ko)
KR (1) KR930000346B1 (ko)
DE (3) DE3851231T2 (ko)

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EP0412578B1 (en) 1994-08-24
DE3851231T2 (de) 1994-12-08
USRE34234E (en) 1993-04-27
KR930000346B1 (ko) 1993-01-16
US4887574A (en) 1989-12-19
EP0412578A3 (en) 1991-03-13
EP0288056A3 (en) 1989-01-18
EP0579271B1 (en) 1997-03-26
EP0579271A1 (en) 1994-01-19
EP0288056B1 (en) 1991-04-10
DE3855849D1 (de) 1997-04-30
DE3862339D1 (de) 1991-05-16
DE3855849T2 (de) 1997-09-11
EP0412578A2 (en) 1991-02-13
DE3851231D1 (de) 1994-09-29
EP0288056A2 (en) 1988-10-26

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