KR910004931A - Electronic ignition timing control device (ESTC) - Google Patents

Electronic ignition timing control device (ESTC) Download PDF

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Publication number
KR910004931A
KR910004931A KR1019890012720A KR890012720A KR910004931A KR 910004931 A KR910004931 A KR 910004931A KR 1019890012720 A KR1019890012720 A KR 1019890012720A KR 890012720 A KR890012720 A KR 890012720A KR 910004931 A KR910004931 A KR 910004931A
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KR
South Korea
Prior art keywords
ignition timing
input
data
timing control
output
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KR1019890012720A
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Korean (ko)
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KR920002999B1 (en
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박철
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정몽헌
현대전자산업 주식회사
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Priority to KR1019890012720A priority Critical patent/KR920002999B1/en
Publication of KR910004931A publication Critical patent/KR910004931A/en
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Publication of KR920002999B1 publication Critical patent/KR920002999B1/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Ignition Timing (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

내용 없음.No content.

Description

전자식 점화시기 제어장치(ESTC)Electronic ignition timing control device (ESTC)

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 전체 시스템을 나타낸 블럭 구성도.1 is a block diagram showing the overall system of the present invention.

제2도 (가)는 각 실린더로 부터의 엔진회전수 센서출력펄스(RPM퍼스)파형도, (나)은 실린더 피스톤 위치와 RPM펄스 신호와의 관계도, (다)는 RPM펄스 신호와 점화용 구동펄스 파형도.Figure 2 (A) shows the engine speed sensor output pulse (RPM Perth) waveform from each cylinder, (B) shows the relationship between the cylinder piston position and the RPM pulse signal, and (C) shows the RPM pulse signal and ignition. Drive pulse waveform diagram.

제3도는 본 발명을 설명하기 위한 흐름도.3 is a flow chart for explaining the present invention.

Claims (5)

기화기의 압력 상태를 감지하는 부압 센서(10)의 아날로그 전압값과 라지에타 냉각수 온도를 감지하는 수온센서(11)의 아날로그 전압 값 및 차량 밧데리의 전압값이 입,출력 드라이브 회로(16)를 통해 마이컴(25)에 내장된 A/D변환기(아날로그/디지탈) (19)로 입력되도록 각각 연결되며, 또한 시동키(14)의 스타트단자(ST)와, 내연기관의 엔진 회전수를 감지하는 속도센서(13) 및 점화시기 제어동작이 정확히 수행되고 있는지를 확인 조정케한 초기 시기 제어스위치(15)가 상기 입, 출력 드라이브 회로(16)를 통해 입, 출력 제어기(22)에 각각 연결되어지고, 각각의 센서로 부터 입력되는 아날로그 전압값들을 A/D변환기(19)를 통해 디지탈 신호로 변환하여 얻어진 데이타값과, 속도센서(13)로부터 입력되는 엔진회전 펄스회전신호가 입, 출력 제어기(22)를 통해 롬(20) 또는 외부 EP-롬(24)에 들어있는 프로그램 수행에 따른 중앙 연산 장치(21)에 의해 현재의 엔진 회전수(RPM)를 계산하여 그 값을 데이타 메모리램(23)에 저장하도록 데이타, 어드레스, 제어버스로 상호 연결시키며, 상기 키스위치(14)의 시동신호와 속도센서(13)로 부터 검출된 펄스신호 및 엔진 이상시 고장판정 제어기(18)로 부터 출력되는 고장신호를 원칩 마이컴(25)의 입, 출력 제어기(22)가 연결된 신호선택 제어기(26)에 각각 수용되어지며, 상기 입, 출력 제어기(22)와도 연결된 고장판정 제어기(18)에 고장통보 램프(28)를 연결하고, 상기 마이컴(25) 동작에 의해 엔진 회전수, 기화기 부압 데이타의 기본진각(QB)을 구하고, 냉각수 온도 데이타의 진각보정치(QWT)를 결정한후 최종 목표점화시기(QADV)를 결정한후 계산하고 차량 밧데리 전압 상태에 따른 파워 트랜지스터(Q1)의 통전시간(DWELL)이 결정되어 출력되는 점화용 구동펄스가 저항(R1)을 통해 트랜지스터(Q1) 베이스로 인가되도록 연결되며, 이의 콜렉터측에 점화코일(27)을 연결한 2차측 코일에는 점화 플러그(29)를 연결하여 구성되는 것을 특징으로한 전자식 점화시기 제어장치.The analog voltage value of the negative pressure sensor 10 for detecting the pressure state of the carburetor, the analog voltage value of the water temperature sensor 11 for detecting the radiator coolant temperature, and the voltage value of the vehicle battery are inputted through the input / output drive circuit 16. A speed sensor which is connected to each of the A / D converters (analog / digital) built-in in (25) and is connected to the input terminal (19), and also detects the start terminal (ST) of the starter key 14 and the engine speed of the internal combustion engine. (13) and the initial timing control switch 15 for confirming that the ignition timing control operation is being performed correctly are connected to the input and output controllers 22 through the input and output drive circuits 16, respectively. Data values obtained by converting analog voltage values input from each sensor into digital signals through the A / D converter 19 and engine rotation pulse rotation signals input from the speed sensor 13 are input and output controllers 22. ) Via ROM 20 or Data, address and control to calculate the current engine speed RPM by the central computing unit 21 according to the program execution contained in the external EP-ROM 24 and store the value in the data memory RAM 23. Interconnected by a bus, the start signal of the key switch 14 and the pulse signal detected from the speed sensor 13 and the fault signal output from the fault determination controller 18 in case of an engine abnormality of the one-chip microcomputer 25; Input and output controllers 22 are respectively accommodated in the signal selection controller 26 connected, the failure notification lamp 28 is connected to the failure determination controller 18 also connected to the input and output controller 22, the microcomputer (25) Obtain basic engine speed (QB) of engine speed and carburettor negative pressure data by operation, determine the true compensation value (QWT) of coolant temperature data, calculate final target ignition time (QADV), calculate and calculate vehicle battery voltage state. According to the power transistor (Q The ignition driving pulse outputted after the energization time DWELL of 1) is determined is applied to the transistor Q1 base through the resistor R1, and the secondary coil in which the ignition coil 27 is connected to the collector side thereof. The electronic ignition timing control device, characterized in that configured to connect the spark plug (29). 제1항에 있어서, 상기 고장판정제어기(18)는 마이컴(25)이상 동작시 고장 유, 무를 판단하여 신호선택제어기(26)에 고장신호를 전송해주는 동시에 고장통보램프(28)를 점등케하여 운전자에게 통보하고, 그 고정신호를 상기 신호선택제어기(26)로 보내 속도센서(13)로 부터 검출된 현재의 엔진회전출력 펄스를 그대로 점화용 구동펄스로 출력시키는 기능이 포함되어 항상 5°에서 점화시기가 이루어지게 하는 것을 특징으로한 전자식 점화시기 제어장치.According to claim 1, wherein the failure determination controller 18 determines whether there is a failure during the operation of the microcomputer 25 or more, transmits a failure signal to the signal selection controller 26, and simultaneously turns on the failure notification lamp (28). It informs the driver and sends the fixed signal to the signal selection controller 26 to output the current engine rotation output pulse detected from the speed sensor 13 to the ignition driving pulse as it is. Electronic ignition timing control device characterized in that the ignition timing is made. 제1항에 있어서, 상기 마이컴(25)에 내장된 프로그램롬(20)에는 적용하고자 하는 차종의 엔진 조건과 일치한 기본진각(QB) 테이블과, 진각 보정치(QWt) 테이블 및 밧데리 전압에 따른 파워 트랜지스터(Q1) 통전기간(DWELL) 테이블 데이타들을 미리 저장시켜 현재의 엔진 회전수(RPM)와 기화기의 부압상태에 따른 기본진각(QB)값을 결정하게 되고, 현재의 냉각수 온도 데이타에 따른 진각보정치(QWt)를 결정한후, 최종목표 점화시기(QADV)를 구하여 파워 트랜지스터(Q1) 통전기간(DWELL)이 결정된 점화시기에서 점화용 구동펄스를 발생시키는 수단이 포함되어 이루어지는 것을 특징으로한 전자식 점화시기 제어장치.The program according to claim 1, wherein the program ROM (20) embedded in the microcomputer (25) includes a basic advance angle (QB) table, an advance correction value (QWt) table, and power corresponding to a battery voltage in accordance with engine conditions of a vehicle to be applied. The transistor Q1 current period (DWELL) table data is stored in advance to determine the basic engine speed (QB) value according to the current engine speed (RPM) and the negative pressure of the carburetor, and the correction value according to the current coolant temperature data. An electronic ignition timing comprising determining a final target ignition timing QADV after determining QWt, and generating a driving pulse for ignition at an ignition timing in which the power transistor Q1 energization period DWELL is determined. Control unit. 제1항에 있어서, 상기 EP-롬(24)는 신차종 실험의 편의성을 위해 마이컴(25) 외부에 별로 부여되는 저장된 프로그램 데이타를 바꾸고 싶을때 그 내용을 소거하고 원하는 데이타를 저장시켜 실험을 용이하게 하는 수단이 포함되며, 프로그램 메모리 롬(20) 대용으로도 이용 가능하게 되는 것을 특징으로 한 전자식 점화시기 제어장치.The method of claim 1, wherein the EP-Rom 24 facilitates the experiment by erasing the contents and storing the desired data when it is desired to change the stored program data given to the outside of the microcomputer 25 for the convenience of the new vehicle model experiment. An electronic ignition timing control device, characterized in that it is included, and is also available as a substitute for the program memory ROM (20). 제1항에 있어서, 상기 속도센서(13)로부터 검출된 엔진 회전펄스신호는 엔진 회전속도 가속에 따라 그 펄스폭이 짧아지는 것을 특징으로한 전자식 점화시기 제어장치.The electronic ignition timing control device according to claim 1, wherein the engine rotation pulse signal detected by the speed sensor (13) is shortened in accordance with the engine rotation speed acceleration. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890012720A 1989-08-31 1989-08-31 Electronic spark timming controller KR920002999B1 (en)

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Application Number Priority Date Filing Date Title
KR1019890012720A KR920002999B1 (en) 1989-08-31 1989-08-31 Electronic spark timming controller

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Application Number Priority Date Filing Date Title
KR1019890012720A KR920002999B1 (en) 1989-08-31 1989-08-31 Electronic spark timming controller

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KR910004931A true KR910004931A (en) 1991-03-29
KR920002999B1 KR920002999B1 (en) 1992-04-13

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KR1019890012720A KR920002999B1 (en) 1989-08-31 1989-08-31 Electronic spark timming controller

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2446309C2 (en) * 2010-03-22 2012-03-27 Федеральное Государственное Образовательное Учреждение Высшего Профессионального Образования "Южный Федеральный Университет" Engine ignition system

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