KR970070480A

KR970070480A - An apparatus for improving the freezing and throttle of an electronically controlled fuel injection engine

Info

Publication number: KR970070480A
Application number: KR1019960010867A
Authority: KR
Inventors: 강태구
Original assignee: 김영석; 아시아자동차공업 주식회사
Priority date: 1996-04-10
Filing date: 1996-04-10
Publication date: 1997-11-07

Abstract

본 발명은 차량의 시동시 엔진에 공급되는 연료공급함을 일정한 수준으로 공급될 수 있도록한 것으로서, 차량의 초기 시동시 엔진을 시동시키는 스타터 스위치(1)와; 엔진의 회전수를 감지하여 엔진의 RPM이 500RPM 이하일 때 신호를 출력하는 센서(2)와; 엔진에 공급되는 냉각수의 온도를 감지하여 냉각수의 온도가 0℃이하일때 이를 감지하는 센서(3)와; 엔진에 흡입되는 공기나 혼합기의 양을 조절하는 스로틀 밸브의 열림 정도를 감지하는 센서(4)와; 상기의 센서(2)(3)(4)에서 감지한 신호를 입력받아 엔진의 분사노즐인 인젝터(6)를 제어하는 전자제어장치(5)로 구성하여 엔진의 무화가 잘 촉진되지 않는 동절기에 연료분사장치를 통해서 엔진의 초기시동을 이루는 차량에 있어서 운전자가 엔진의 초기시동시 엑셀레이터를 밟을 때 엔진에 과농한 연료가 공급되지 않도록 전자제어장치가 인젝터에 연료분사신호를 출력하지 않아 액셀레이터를 밟을 때 스로틀 밸브의 개방으로 인하여 엔진에 과농한 연료가 공급되지 않도록 하므로서 스파크 플러그의 웨이팅현상을 해소하여 엔진의 시동성 약화를 방지하고 엔진의 냉간시동시 과농한 연료공급으로 인한 배기가스 정화용 촉매의 조기열화라를 방지할 수 있는 방법이다.A starter switch (1) for starting an engine at an initial start of a vehicle, the starter switch A sensor (2) which senses the number of revolutions of the engine and outputs a signal when the RPM of the engine is 500 RPM or less; A sensor 3 for detecting the temperature of the cooling water supplied to the engine and detecting the temperature of the cooling water when the temperature of the cooling water is 0 ° C or lower; A sensor 4 for detecting the degree of opening of the throttle valve for regulating the amount of air sucked into the engine or the amount of the mixer; And an electronic control unit 5 which receives a signal sensed by the sensors 2, 3 and 4 and controls the injector 6 which is an injection nozzle of the engine. In the winter period when the atomization of the engine is not promoted well The electronic control unit does not output the fuel injection signal to the injector so that the fuel is not supplied to the engine when the driver presses the accelerator at the initial start of the engine in the vehicle that starts the engine through the fuel injection device. The excessive fuel is prevented from being supplied to the engine due to the opening of the throttle valve so that the weighting phenomenon of the spark plug is solved to prevent the startability of the engine from being weakened and the premature deterioration of the exhaust gas purifying catalyst due to the fuel supply during the cold start of the engine This is a method that can prevent.

Description

An apparatus for improving the freezing and throttle of an electronically controlled fuel injection engine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

첨부된 도면은 본 발명의 구성을 나타낸 회로도BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings,

Claims

A starter switch (1) for starting the engine at an initial start of the vehicle; A sensor (2) which senses the number of revolutions of the engine and outputs a signal when the RPM of the engine is 500 RPM or less; A sensor 3 for detecting the temperature of the cooling water supplied to the engine and detecting the temperature of the cooling water when the temperature of the cooling water is 0 ° C or lower; A sensor 4 for detecting the degree of opening of the throttle valve for regulating the amount of air sucked into the engine or the amount of the mixer; And an electronic control unit (5) which receives a signal sensed by the sensors (2), (3) and (4) and controls an injector (6) as an injection nozzle of the engine. The same.

※ Note: It is disclosed by the contents of the first application.