KR970045290A - Shock prevention device and prevention method by micro cutoff of water temperature sensor - Google Patents

Shock prevention device and prevention method by micro cutoff of water temperature sensor Download PDF

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Publication number
KR970045290A
KR970045290A KR1019950055178A KR19950055178A KR970045290A KR 970045290 A KR970045290 A KR 970045290A KR 1019950055178 A KR1019950055178 A KR 1019950055178A KR 19950055178 A KR19950055178 A KR 19950055178A KR 970045290 A KR970045290 A KR 970045290A
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KR
South Korea
Prior art keywords
water temperature
cutoff
micro
temperature sensor
fuel injection
Prior art date
Application number
KR1019950055178A
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Korean (ko)
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KR0183131B1 (en
Inventor
정병용
Original Assignee
전성원
현대자동차 주식회사
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Priority to KR1019950055178A priority Critical patent/KR0183131B1/en
Publication of KR970045290A publication Critical patent/KR970045290A/en
Application granted granted Critical
Publication of KR0183131B1 publication Critical patent/KR0183131B1/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
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D2041/228—Warning displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/021—Engine temperature

Abstract

이 발명은 수온센서의 마이크로 컷오프로 인한 쇼크 방지장치 및 방지방법에 관한 것으로,수온을 감지하기 위한 수온센서와;상기 수온센서로부터 수온을 입력받아 마이크로 컷오프인지를 판단하여 마이크로 컷오프이면,수온을 보정을하여 연료분사를 제어하고,다른 종류의 고장이면,경고를 하는 제어신호를 출력하기 위한 전자제어유닛과;상기 전자제어유닛의 출력신호를 입력받아,연료분사를 하기 위한 연료분사장치와;상기 전자제어유닛의 출력신호를 입력받아,다른 종류의 고장임을 알리기 위해 점등을 하는 엔진경고등을 포함하여 구성되어,수온 센서가 마이크로 컷오프 즉,커넥터 불량,와이어링이 그라운드 또는 베터리에 쇼트되는 경우에 발생하여 쇼크 또는 스톨을 방지할 수 있는 수온센서의 마이크로 컷오프로 인한 쇼크 방지장치 및 방지방법에 관한 것이다.The present invention relates to a shock prevention device and a method for preventing a shock due to the micro cutoff of the water temperature sensor, and a water temperature sensor for detecting the water temperature; receiving the water temperature from the water temperature sensor to determine whether the micro cutoff, if the micro cutoff, correct the water temperature A fuel injection device for controlling fuel injection, and outputting a control signal for warning if another type of failure is detected; a fuel injection device for receiving fuel output from the electronic control unit; It consists of an engine warning light that receives the output signal of the electronic control unit and lights up to indicate a different kind of failure, and occurs when the water temperature sensor has a micro cutoff, that is, a bad connector, or a short circuit to the ground or battery. Shock prevention device and prevention due to micro cutoff of water temperature sensor that can prevent shock or stall It relates to the law.

Description

수온센서의 마이크로 컷오프로 인한 쇼크 방지장치 및 방지방법Shock prevention device and prevention method by micro cutoff of water temperature sensor

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

제1도는 전압과 수온의 관계를 나타내는 것으로서,수온 센서의 마이크로 컷오프를 판단하는 기준 그래프.1 is a graph showing a relationship between voltage and water temperature, and a reference graph for determining a micro cutoff of a water temperature sensor.

제2도는 이 발명의 실시예에 따른 수온센서의 마이크로 컷오프로 인한 쇼크 방지장치의 블록 구성도.2 is a block diagram of a shock prevention device due to the micro cutoff of the water temperature sensor according to an embodiment of the present invention.

Claims (3)

수온을 감지하기 위한 수온센서와;상기 수온센서로부터 수온을 입력받아 마이크로 컷오프인지를 판단하여 마이크로 컷오프이면,수온을 보정을하여 연료분사를 제어하고,다른 종류의 고장이면,경고를 하는 제어신호를 출력하기 위한 전자제어유닛과;상기 전자제어유닛의 출력신호를 입력받아,연료분사를 하기 위한 연료분사장치와;상기 전자제어유닛의 출력신호를 입력받아,다른 종류의 고장임을 알리기 위해 점등을 하는 엔진경고등을 포함하여 구성되어 짐을 특징으로 하는 수온센서의 마이크로 컷오프로 인한 쇼크 방지장치.A water temperature sensor for detecting water temperature; and receiving the water temperature from the water temperature sensor to determine whether it is a micro cutoff, if it is a micro cutoff, to control the fuel injection by correcting the water temperature, and to control a warning signal for another type of failure. An electronic control unit for outputting; a fuel injection device for receiving fuel output from the electronic control unit; Shock prevention device due to micro cutoff of water temperature sensor characterized by load including engine warning light. 수온 센서에 이상이 있는 가를 감지하는 단계와;이상이 있으면,수온 이상의 원인이 마이크로 컷오프 인지를 판단하는 단계와;수온 이상의 원인이 마이크로 컷오프이면,현재의 수온을 전의 수온에 일정량을 더한 값으로 보정하여 연료분사를 제어하는 단계와;수온 이상의 원인이 마이크로 컷오프가 아니면,엔진경고 등을 점등하는 단계를 포함하여 구성되어 짐을 특징으로 하는 수온센서의 마이크로 컷오프로 인한 쇼크 방지방법.Detecting whether there is an abnormality in the water temperature sensor; determining whether the cause of the water temperature abnormality is a micro cutoff; if the cause of the water temperature abnormality is the micro cutoff, correcting the current water temperature by adding a predetermined amount to the previous water temperature. And controlling the fuel injection; and if the cause of the water temperature abnormality is not a micro cutoff, turning on an engine warning light or the like. 제2항에 있어서,상기한 수온 이상의 원인이 마이크로 컷오프 인지를 판단하는 단계에서,수온이 어느정도인지를 파악하여 고장의 원인을 분석하는 것을 특징으로 하는 수온센서의 마이크로 컷오프로 인한 쇼크 방지방법.The method of claim 2, wherein in determining whether the cause of the water temperature abnormality is a micro cutoff, the cause of the failure is analyzed by determining how much the water temperature is.
KR1019950055178A 1995-12-23 1995-12-23 Method and apparatus for preventing shock caused by micro cutoff of water temperature sensor KR0183131B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950055178A KR0183131B1 (en) 1995-12-23 1995-12-23 Method and apparatus for preventing shock caused by micro cutoff of water temperature sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950055178A KR0183131B1 (en) 1995-12-23 1995-12-23 Method and apparatus for preventing shock caused by micro cutoff of water temperature sensor

Publications (2)

Publication Number Publication Date
KR970045290A true KR970045290A (en) 1997-07-26
KR0183131B1 KR0183131B1 (en) 1999-03-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950055178A KR0183131B1 (en) 1995-12-23 1995-12-23 Method and apparatus for preventing shock caused by micro cutoff of water temperature sensor

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KR0183131B1 (en) 1999-03-20

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