KR970044124A - Valve control device and method of engine - Google Patents

Valve control device and method of engine Download PDF

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Publication number
KR970044124A
KR970044124A KR1019950061133A KR19950061133A KR970044124A KR 970044124 A KR970044124 A KR 970044124A KR 1019950061133 A KR1019950061133 A KR 1019950061133A KR 19950061133 A KR19950061133 A KR 19950061133A KR 970044124 A KR970044124 A KR 970044124A
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KR
South Korea
Prior art keywords
valve
engine
signal
exhaust
determining whether
Prior art date
Application number
KR1019950061133A
Other languages
Korean (ko)
Other versions
KR0146586B1 (en
Inventor
김영봉
Original Assignee
김태구
대우자동차 주식회사
이우복
고등기술연구원 연구조합
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Publication date
Application filed by 김태구, 대우자동차 주식회사, 이우복, 고등기술연구원 연구조합 filed Critical 김태구
Priority to KR1019950061133A priority Critical patent/KR0146586B1/en
Publication of KR970044124A publication Critical patent/KR970044124A/en
Application granted granted Critical
Publication of KR0146586B1 publication Critical patent/KR0146586B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L15/00—Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00
    • F01L15/02—Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00 with valves other than cylindrical, sleeve, or part-annularly-shaped, e.g. flat D-valves
    • F01L15/04—Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00 with valves other than cylindrical, sleeve, or part-annularly-shaped, e.g. flat D-valves main valve being combined with auxiliary valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2201/00—Electronic control systems; Apparatus or methods therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/04—Sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/12—Arrangements for cooling other engine or machine parts
    • F01P3/14—Arrangements for cooling other engine or machine parts for cooling intake or exhaust valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

본 발명은 엔진의 밸브제어장치 및 방법에 관한 것으로서, 그 구성은 엔진의 실린더(10) 헤드부위에 설치되어 있는 흡/배기 밸브외에 더 추가 설치된 배기오픈밸브(22)와; 상기 배기오픈밸브(22)를 구동시키기 위한 밸브구동수단(20) 및; 차속신호와, 엔진온도신호, 컨버터온도신호, 스로틀밸브위치신호, 기어위치신호 및, 브레이크신호 등을 제공 받아서 그 신호들에 의거하여 상기 밸브구동수단을 제어하기위한 제어신호를 출력하는 전자제어장치(30)를 포함하여 구성된 것을 특징으로 하여, 상기 전자제어장치(30)에 의한 상기 배기밸브 개폐를 효율적으로 제어하므로써 속도향상 후 스로틀밸브를 닫아도 엔진브레이크의 작용없이 타행성을 향상시키고 배기계통의 밸브류, 컨버터 등의 냉각효과를 증진시켜 내구성 및 컨버터의 성능을 향상시키는 효과가 있다.The present invention relates to a valve control apparatus and a method of an engine, the configuration of which comprises an exhaust open valve (22) further installed in addition to the intake / exhaust valve installed on the head of the cylinder (10) of the engine; Valve driving means (20) for driving the exhaust open valve (22); An electronic control device that receives a vehicle speed signal, an engine temperature signal, a converter temperature signal, a throttle valve position signal, a gear position signal, and a brake signal and outputs a control signal for controlling the valve driving means based on the signals. It characterized in that it comprises a (30), by efficiently controlling the opening and closing of the exhaust valve by the electronic control device 30, even if closing the throttle valve after the speed improvement to improve the coastability without the action of the engine brake and the exhaust system By improving the cooling effect of valves, converters, etc., there is an effect of improving the durability and the performance of the converter.

Description

엔진의 밸브제어장치 및 방법Valve control device and method of engine

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

제 1도는 종래의 일반적인 엔진의 구성을 나타내는 도면,1 is a view showing the configuration of a conventional general engine,

제 2도는 본 발명에 따른 엔진의 밸브제어장치에 대한 구성도,2 is a block diagram of a valve control apparatus for an engine according to the present invention;

제 3도는 본 발명에 따른 엔진의 밸브제어방법을 설명하는 플로우차트이다.3 is a flowchart for explaining a valve control method of the engine according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 실린더 20 : 밸브구동부10: cylinder 20: valve drive unit

22 : 배기오픈밸브 30 : 전자제어장치22: exhaust open valve 30: electronic control device

Claims (2)

엔진의 실린더(10) 헤드부위에 설치되어 잇는 흡/배기 밸브외에 더 추가 설치된 배기오픈밸브(22)와; 상기 배기오픈밸브(22)를 구동시키기 위한 밸브구동수단(20) 및; 차속신호와, 엔진온도신호, 컨버터온도신호, 스로틀밸브위치신호, 기어위치신호 및, 브레이크신호 등을 제공 받아서 그 신호들에 의거하여 상기 밸브구동수단(20)을 제어하기위한 제어신호를 출력하는 전자제어장치(30)를 포함하여 구성된 것을 특징으로 하는 엔진의 밸브제어장치.An exhaust open valve 22 further installed in addition to the intake / exhaust valve installed on the head of the cylinder 10 of the engine; Valve driving means (20) for driving the exhaust open valve (22); Receiving a vehicle speed signal, an engine temperature signal, a converter temperature signal, a throttle valve position signal, a gear position signal, a brake signal, and the like and outputting a control signal for controlling the valve driving means 20 based on the signals; Valve control apparatus for an engine, comprising an electronic control device (30). 처음시작하여 현재의 차속이 기 설정되어 있는 최저기준차속 이상인가의 가부(可否)를 판단하는 단계(50)와, 차량의 엔진온도가 기 설정되어 있는 엔진기준온도를 초과하는가의 가부를 판단하는 단계(51)와, 컨버터온도가 기 설정되어 있는 컨버터 기준온도를 초과하는가의 가부를 판단하는 단계(52), 스로틀밸브가 완전히 폐쇄되었는가의 가부를 판단하는 단계(53), 기어단수가 4단 또는 5단에서 레버가 고정되어 있는가의 가부를 판단하는 단계(54), 브레이크노(NO)상태의 가부를 판단하는 단계(55), 현재의 차속이 기 설정되어 최고 기준차속 미만인가의 가부를 판단하는 단계(56), 상기 단계(50∼56)들을 순차수행한 후 상기 단계(50∼56) 모두가 가(可)판정이 될시에 엔진의 실린더(10) 헤드부위에 설치되어 있는 기존의 흡/배기 밸브외에 더 부가 설치된 배기오픈밸브(22)를 개방하고 연료공급을 차단하도록 제어를 수행하는 단계(57) 및, 상기 단계(50∼56)들 중의 어느 한 단계에 있어서 부(不)판정이 될시에는 상기 배기오픈밸브(22)를 폐쇄하도록 제어를 수행하는 단계를 구비하고 있는 것을 특징으로 하는 엔진의 밸브제어방법.A step (50) of determining whether or not the current vehicle speed is equal to or greater than a preset minimum reference vehicle speed; and determining whether the engine temperature of the vehicle exceeds the preset engine reference temperature. Step 51, determining whether or not the converter temperature exceeds the preset converter reference temperature (52), determining whether or not the throttle valve is completely closed (53), the gear stage is four stages Or in step 5, determining whether the lever is fixed (54), determining whether the brake is in a NO state (55), whether or not the current vehicle speed is preset and below the maximum reference vehicle speed. Determining step 56, after performing the steps (50 to 56) sequentially, when all of the steps (50 to 56) is judged that the existing installed on the head of the cylinder 10 of the engine Exhaust valves installed in addition to air intake / exhaust valves Control 57 is performed to open the valve 22 and shut off the fuel supply, and when the exhaust judgment is made in any of the steps 50 to 56, the exhaust open valve ( And controlling to close the valve.
KR1019950061133A 1995-12-28 1995-12-28 Valve control device and method thereof KR0146586B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950061133A KR0146586B1 (en) 1995-12-28 1995-12-28 Valve control device and method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950061133A KR0146586B1 (en) 1995-12-28 1995-12-28 Valve control device and method thereof

Publications (2)

Publication Number Publication Date
KR970044124A true KR970044124A (en) 1997-07-26
KR0146586B1 KR0146586B1 (en) 1998-08-17

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KR1019950061133A KR0146586B1 (en) 1995-12-28 1995-12-28 Valve control device and method thereof

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