KR970035644A - Evaporative gas control device for vehicles and control method thereof - Google Patents

Evaporative gas control device for vehicles and control method thereof Download PDF

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Publication number
KR970035644A
KR970035644A KR1019950068384A KR19950068384A KR970035644A KR 970035644 A KR970035644 A KR 970035644A KR 1019950068384 A KR1019950068384 A KR 1019950068384A KR 19950068384 A KR19950068384 A KR 19950068384A KR 970035644 A KR970035644 A KR 970035644A
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KR
South Korea
Prior art keywords
temperature
pressure
compensation factor
fuel tank
duty ratio
Prior art date
Application number
KR1019950068384A
Other languages
Korean (ko)
Inventor
정철화
Original Assignee
전성원
현대자동차 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 전성원, 현대자동차 주식회사 filed Critical 전성원
Priority to KR1019950068384A priority Critical patent/KR970035644A/en
Priority to DE19654563A priority patent/DE19654563A1/en
Priority to JP8360049A priority patent/JPH1030508A/en
Publication of KR970035644A publication Critical patent/KR970035644A/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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
    • F02D41/0032—Controlling the purging of the canister as a function of the engine operating conditions
    • F02D41/004—Control of the valve or purge actuator, e.g. duty cycle, closed loop control of position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/035—Fuel tanks characterised by venting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

본 발명은 차량의 증발 기체 제어 장치 및 그 제어 방법에 관한 것으로서, 더욱 상세하게는, 연료 탱크(tank)의 온도 및 압력에 따라 증발 기체를 제어하는 장치 및 방법에 관한 것이다. 엔진의 회전수에 따른 초기 듀티비를 산출하고, 연료 탱크의 온도와 압력을 판단하고 이에 따른 온도 및 압력 보상 인자를 계산한 후, 이 값을 초기 듀티비에 곱하여 최종 듀티비를 산출하고 이 값에 따라 퍼지 제어 밸브를 제어한다. 온도가 상온보다 높거나 압력이 대기압보다 큰 경우에는 듀티비가 높게 산출되므로 퍼지 제어 밸브를 더 많이 열어 증발 기체를 엔진으로 흘려 보낸다. 따라서 넘치는 증발 기체가 외부로 새어 나가지 않게 되어 냄새와 대기 오염을 방지할 수 있다.The present invention relates to an apparatus for controlling an evaporation gas of a vehicle and a control method thereof, and more particularly, to an apparatus and a method for controlling an evaporation gas according to a temperature and a pressure of a fuel tank. Calculate the initial duty ratio according to the engine speed, determine the temperature and pressure of the fuel tank, calculate the temperature and pressure compensation factors accordingly, and multiply this value by the initial duty ratio to calculate the final duty ratio To control the purge control valve. If the temperature is higher than room temperature or the pressure is higher than atmospheric pressure, the duty ratio is calculated to be high, so more purge control valves are opened to allow evaporated gas to flow into the engine. As a result, the overflowing evaporating gas does not leak out, preventing odors and air pollution.

Description

차량의 증발 기체 제어 장치 및 그 제어 방법Evaporative gas control device for vehicles and control method thereof

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

제1도는 종래 기술에 따른 증발 기체 제어 장치를 개략적으로 도시한 도면이고,1 is a view schematically showing an evaporation gas control device according to the prior art,

제2도는 본 발명의 실시예에 따른 증발 기체 제어 장치를 개략적으로 도시한 도면이고,2 is a view schematically showing an evaporation gas control device according to an embodiment of the present invention,

제3도는 본 발명의 실시예에 따른 증발 기체 제어 방법을 나타낸 흐름도이고,3 is a flowchart illustrating a method of controlling an evaporation gas according to an embodiment of the present invention,

제4도는 본 발명의 실시예에서 온도 보상 인자를 온도에 따라 나타낸 그래프,4 is a graph showing a temperature compensation factor according to temperature in an embodiment of the present invention;

제5도는 본 발명의 실시예에서 압력 보상 인자를 압력에 따라 나타낸 그래프이다.5 is a graph showing the pressure compensation factor according to the pressure in the embodiment of the present invention.

Claims (12)

차량의 증발 기체를 제어하는 증발 기체 제어 장치로서, 증발 기체를 저장하는 캐니스터, 상기 캐니스터의 증발 기체가 엔진으로 유입되는 것을 개폐하는 퍼지 제어 밸브, 연료 탱크의 온도를 감지하여 해당하는 신호를 출력하는 온도 센서, 상기 연료 탱크의 압력을 감지하여 해당하는 신호를 출력하는 압력 센서, 상기 온도 센서 및 압력 센서로부터의 신호를 판독하여 상기 연료 탱크의 온도 및 압력을 판단하고 이에 따라 상기 퍼지 제어 밸브를 제어하는 전자 제어 유닛을 포함하는 증발 기체 제어 장치.An apparatus for controlling evaporation gas of a vehicle, comprising: a canister for storing evaporation gas, a purge control valve for opening and closing the evaporation gas of the canister into an engine, and detecting a temperature of a fuel tank and outputting a corresponding signal A temperature sensor, a pressure sensor that senses the pressure of the fuel tank and outputs a corresponding signal, reads signals from the temperature sensor and the pressure sensor to determine the temperature and the pressure of the fuel tank and controls the purge control valve accordingly. Evaporating gas control device comprising an electronic control unit. 제1항에서, 상기 온도 센서 및 상기 압력 센서는 상기 연료 탱크에 부착되어 있는 증발 기체 제어 장치.The apparatus of claim 1, wherein the temperature sensor and the pressure sensor are attached to the fuel tank. 제1항에서, 상기 전자 제어 유닛은 엔진의 회전수를 판독하여 초기 듀티비를 산출하고 상기 초기 듀티비에 상기 연료 탱크의 온도 및 압력에 따라 결정되는 온도 보상 인자 및 압력 보상 인자를 곱하여 산출되는 최종 듀티비로 상기 퍼지 제어 밸브를 제어하는 증발 기체 제어 장치.2. The electronic control unit of claim 1, wherein the electronic control unit reads an engine speed and calculates an initial duty ratio, and is calculated by multiplying the initial duty ratio by a temperature compensation factor and a pressure compensation factor determined according to the temperature and pressure of the fuel tank. An evaporative gas control device that controls the purge control valve at a final duty ratio. 제3항에서, 상기 온도 보상 인자는 온도에 따라 비례하는 증발 기체 제어 장치.The apparatus of claim 3, wherein the temperature compensation factor is proportional to temperature. 제4항에서, 상기 온도 보상 인자는 상온에서 1인 증발 기체 제어 장치.The apparatus of claim 4, wherein the temperature compensation factor is 1 at room temperature. 제3항에서, 상기 압력 보상 인자는 압력에 따라 비례하는 증발 기체 제어 장치.The apparatus of claim 3, wherein the pressure compensation factor is proportional to pressure. 제6항에서, 상기 압력 보상 인자는 대기압에서 1인 증발 기체 제어 장치.7. The apparatus of claim 6, wherein the pressure compensation factor is 1 at atmospheric pressure. 엔진의 회전수에 따른 초기 듀티비를 산출하는 단계, 연료 탱크의 온도를 판단하고 온도 보상 인자를 계산하는 단계, 상기 연료 탱크의 압력을 판단한 뒤 해당하는 압력 보상 인자를 계산하는 단계, 상기 초기 듀티비에 상기 온도 및 압력 보상 인자를 곱하여 최종 듀티비를 산출하고 이 값에 따라 퍼지 제어 밸브를 제어하는 단계를 포함하는 증발 기체 제어 방법.Calculating an initial duty ratio according to the rotational speed of the engine, determining a temperature of the fuel tank and calculating a temperature compensation factor, determining a pressure compensation factor after determining the pressure of the fuel tank, and the initial duty Multiplying the ratio by the temperature and pressure compensation factors to produce a final duty ratio and controlling the purge control valve according to this value. 제8항에서, 상기 온도 보상 인자는 온도에 따라 비례하는 증발 기체 제어 방법.The method of claim 8, wherein the temperature compensation factor is proportional to temperature. 제9항에서, 상기 온도 보상 인자는 상온에서 1인 증발 기체 제어 방법.The method of claim 9, wherein the temperature compensation factor is 1 at room temperature. 제8항에서, 상기 압력 보상 인자는 압력에 따라 비례하는 증발 기체 제어 방법.The method of claim 8, wherein the pressure compensation factor is proportional to pressure. 제11항에서, 상기 압력 보상 인자는 대기압에서 1인 증발 기체 제어 방법.The method of claim 11, wherein the pressure compensation factor is 1 at atmospheric pressure. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950068384A 1995-12-30 1995-12-30 Evaporative gas control device for vehicles and control method thereof KR970035644A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019950068384A KR970035644A (en) 1995-12-30 1995-12-30 Evaporative gas control device for vehicles and control method thereof
DE19654563A DE19654563A1 (en) 1995-12-30 1996-12-27 Fuel vapour venting of fuel tank
JP8360049A JPH1030508A (en) 1995-12-30 1996-12-28 Evaporation gas control device for vehicle, and control method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950068384A KR970035644A (en) 1995-12-30 1995-12-30 Evaporative gas control device for vehicles and control method thereof

Publications (1)

Publication Number Publication Date
KR970035644A true KR970035644A (en) 1997-07-22

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Application Number Title Priority Date Filing Date
KR1019950068384A KR970035644A (en) 1995-12-30 1995-12-30 Evaporative gas control device for vehicles and control method thereof

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JP (1) JPH1030508A (en)
KR (1) KR970035644A (en)
DE (1) DE19654563A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1012697A3 (en) * 1999-06-01 2001-02-06 Solvay Fuel tank.
KR100448391B1 (en) * 2002-09-10 2004-09-10 현대자동차주식회사 The method of setting up idle fuel amount by density of evaporation gas
DE102009009901A1 (en) 2009-02-20 2010-08-26 Bayerische Motoren Werke Aktiengesellschaft Method for controlling a tank ventilation system of a motor vehicle
DE102011015998B4 (en) * 2011-04-04 2021-08-05 Audi Ag Method for determining a loading of a storage facility for gaseous hydrocarbons and a tank development system for a vehicle
US9829894B2 (en) 2012-03-24 2017-11-28 Audi Ag Method for operating a tank device, and corresponding tank device
DE102012005996A1 (en) * 2012-03-24 2013-10-10 Audi Ag Method for operating a tank device and corresponding tank device
JP6522373B2 (en) * 2015-03-06 2019-05-29 愛三工業株式会社 Evaporative fuel processing system
KR102589931B1 (en) * 2021-12-30 2023-10-17 주식회사 현대케피코 System and method for controlling evaporation gas in vehicles

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DE19654563A1 (en) 1997-07-03
JPH1030508A (en) 1998-02-03

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