KR970044950A - Knock Compensation Method by Cooling Water Temperature and Intake Temperature and Its Apparatus - Google Patents

Knock Compensation Method by Cooling Water Temperature and Intake Temperature and Its Apparatus Download PDF

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Publication number
KR970044950A
KR970044950A KR1019950061952A KR19950061952A KR970044950A KR 970044950 A KR970044950 A KR 970044950A KR 1019950061952 A KR1019950061952 A KR 1019950061952A KR 19950061952 A KR19950061952 A KR 19950061952A KR 970044950 A KR970044950 A KR 970044950A
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KR
South Korea
Prior art keywords
knock
temperature
intake air
ignition timing
cooling water
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KR1019950061952A
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Korean (ko)
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KR100302764B1 (en
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박용정
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전성원
현대자동차 주식회사
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Priority to KR1019950061952A priority Critical patent/KR100302764B1/en
Publication of KR970044950A publication Critical patent/KR970044950A/en
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Publication of KR100302764B1 publication Critical patent/KR100302764B1/en

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    • 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
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
    • G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrical Control Of Ignition Timing (AREA)

Abstract

본 발명은 냉각수온과 흡기온에 의한 노크 보정방법 및 그 장치에 관한 것으로, 엔진에 노크가 발생하는 지의 여부를 감지하여, 그에 따른 전기적인 신호를 출력하는 노크 감지부(10)와, 엔진 회전수를 감지하여, 그에 따른 전기적인 신호를 출력하는 엔진 회전수 감지부(21)와, 흡입 공기량을 감지하여, 그에 따른 전기적인 신호를 출력하는 흡입 공기량 감지부(22)와, 엔진 냉각수의 온도를 감지하여, 그에 따른 전기적인 신호를 출력하는 냉각수온 감지부(30)와, 흡입공기의 온도를 감지하여, 그에 따른 전기적인 신호를 출력하는 흡기온 감지부(40)와, 상기 노크 감지부(10)로부터 출력되는 신호를 판정하여, 노크 발생일 때, 상기 엔진 회전수 감지부(21)와, 흡입 공기량 감지부(22)와, 냉각수온 감지부(30)와, 흡기온 감지부(40)로부터 출력되는 신호를 입력받아, 해당하는 점화시기 신호를 출력하는 제어부(50)와, 상기 제어부(50)로부터 출력되는 점화시기에 연료를 점화시키는 점화장치로 이루어져 있으며, 자동차 엔진에 발생하는 노크를 제어하는 데에 있어서, 노크 발생의 주 요소인 엔진 냉각수의 온도와, 흡입공기의 온도를 이용하여, 노크 보정값의 적용을 현실화함으로써, 적절한 노크 제어가 이루어지도록 하는 냉각수온과 흡기온에 의한 노크 보정방법 및 그 장치에 관한 것이다The present invention relates to a knock correction method and apparatus for cooling water temperature and intake temperature, and to detect whether knock occurs in the engine, and outputs an electrical signal according to the knock detection unit 10, and the engine rotation The engine speed detection unit 21 detects the number and outputs the electrical signal accordingly, the intake air amount detection unit 22 detects the amount of intake air, and outputs the electrical signal accordingly, and the temperature of the engine coolant. Detects the cooling water temperature detection unit 30 and outputs the electrical signal accordingly, and detects the temperature of the intake air, and the intake air temperature detection unit 40 outputs the electrical signal accordingly, and the knock detection unit. Determining the signal output from the (10), and when the knock is generated, the engine speed detecting unit 21, the intake air amount detecting unit 22, the coolant temperature detecting unit 30, the intake air temperature detecting unit ( 40 receives the signal output from, A control unit 50 for outputting a corresponding ignition timing signal, and an ignition device for igniting fuel at the ignition timing output from the control unit 50, the knock generation in controlling the knock generated in the vehicle engine The present invention relates to a knock correction method and apparatus for cooling water temperature and intake temperature that allow proper knock control by realizing application of a knock correction value by utilizing an engine coolant temperature and an intake air temperature.

Description

냉각수온과 흡기온에 의한 노크 보정방법 및 그 장치Knock Compensation Method by Cooling Water Temperature and Intake Temperature and Its Apparatus

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

제3도는 이 발명의 실시에에 따른 냉각수온과 흡기온에 의한 노크 보정장치를 적용한 블록도이고,3 is a block diagram to which a knock correction device based on cooling water temperature and intake air temperature according to an embodiment of the present invention is applied,

제4도의 (가), (나)는 이 발명의 실시예에 따른 냉각수온과 흡기온에 의한 노크 보정장치를 적용한 동작 순서도이다.(A) and (b) of FIG. 4 are operation flowcharts to which the knock correction device based on the cooling water temperature and the intake temperature according to the embodiment of the present invention is applied.

Claims (2)

엔진에 노크가 발생하는 지의 여부를 감지하여, 그에 따른 전기적인 신호를 출력하는 노크 감지수단과; 점화시기 제어를 위한 요소의 신호를 감지하여, 그에 따른 전기적인 신호를 출력하는 엔진 회전수 감지수단과; 엔진 냉각수의 온도를 감지하여, 그에 따른 전기적인 신호를 출력하는 냉각수온 감지수단과; 흡입공기의 온도를 감지하여, 그에 따른 전기적인 신호를 출력하는 흡기온 감지수단과; 상기 노크 감지수단으로부터 출력되는 신호를 판정하여, 노크 발생일 때, 상기 점화요소 감지수단과, 흡기온 감지수단으로부터 출력되는 신호를 입력받아, 해당하는 점화시기 신호를 출력하는 제어수단과; 상기 제어수단으로부터 출력되는 점화시기에 연료를 점화시키는 점화수단으로 이루어져 있는 것을 특징으로 하는 냉각수온과 흡기온에 의한 노크 보정장치.Knock detection means for detecting whether a knock occurs in the engine and outputting an electrical signal accordingly; Engine speed detection means for detecting a signal of an element for ignition timing control and outputting an electric signal accordingly; Cooling water temperature detection means for sensing the temperature of the engine coolant, and outputs an electrical signal according to the; Intake air temperature sensing means for sensing the temperature of the intake air, and outputs an electrical signal accordingly; A control means for determining a signal output from the knock detecting means and receiving a signal output from the ignition element detecting means and the intake air temperature detecting means when a knock occurs, and outputting a corresponding ignition timing signal; And a ignition means for igniting fuel at an ignition timing output from the control means. 노크 신호를 판정하여, 노크가 발생하였는지의 여부를 판단하는 단게와; 상기 단계에서 노크가 발생하였을 경우, 엔진회전수와, 흡입 공기량을 판독하여, 그에 따라 점화시기 제어값을 계산하는 단계와; 상기 단계에서 계산된 점화시기에 따라 점화시키는 단계와; 변수 제어값을 저장하고, 노크신호를 판독하여, 노크가 발생하였는지의 여부를 판단하는 단계와; 상기 단계에서, 노크가 발생하지 않았을 경우, 점화시기를 촉진시키고, 엔진 회전수와, 흡입 공기량과, 냉각수온과, 흡기온을 판독하는 단계와; 상기 단계에서 판독한 값들이 범위 내에 존재하는지의 여부를 판단하는 단계와; 상기 단계에서 판독한 값들이 범위 내에 존재하는 경우, 그 값에 따라 점화시기 제어값을 계산하고, 그 제어값에 따라 점화하는 단계와; 노크 신호를 판독하여, 노크가 발생하였는지의 여부를 판단하는 단계와; 상기 단계에서 노크가 발생하였을 경우, 점화시기를 지연시키고, 다시 변수 제어값을 저장하는 단계로 돌아가는 단계와; 상기 노크가 발생하였는지의 여부를 판단하는 상기 단계에서, 노크가 발생하지 않았을 경우, 점화시기를 촉진시킨 단계로 이루어져 있는 것을 특징으로 하는 냉각수온과 흡기온에 의한 노크 보정장치.Determining a knock signal to determine whether knock has occurred; When knocking occurs in the step, reading the engine speed and the amount of intake air, and calculating an ignition timing control value accordingly; Igniting according to the ignition timing calculated in the step; Storing a variable control value and reading a knock signal to determine whether knock has occurred; In the step, when knocking has not occurred, promoting the ignition timing and reading the engine speed, the intake air amount, the cooling water temperature, and the intake air temperature; Determining whether the values read in the step exist within a range; Calculating the ignition timing control value according to the value and igniting according to the control value if the values read in the step exist within the range; Reading a knock signal to determine whether knock has occurred; If knock occurs in the step, delaying the ignition timing and returning to storing the variable control value again; In the step of determining whether or not the knock has occurred, when the knock does not occur, the knock correction device by the cooling water temperature and the intake temperature, characterized in that the step of promoting the ignition timing.
KR1019950061952A 1995-12-28 1995-12-28 Device and method for compensating knock by coolant temperature and intake air temperature KR100302764B1 (en)

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Application Number Priority Date Filing Date Title
KR1019950061952A KR100302764B1 (en) 1995-12-28 1995-12-28 Device and method for compensating knock by coolant temperature and intake air temperature

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Application Number Priority Date Filing Date Title
KR1019950061952A KR100302764B1 (en) 1995-12-28 1995-12-28 Device and method for compensating knock by coolant temperature and intake air temperature

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KR970044950A true KR970044950A (en) 1997-07-26
KR100302764B1 KR100302764B1 (en) 2001-11-22

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KR100471217B1 (en) * 2002-02-08 2005-03-08 현대자동차주식회사 Method and system for ignition timing control for internal combustion engine
KR100471223B1 (en) * 2002-05-09 2005-03-08 현대자동차주식회사 Method and apparatus for controlling idle speed of an engine

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