KR910010037A - Monitor for output signal measurement and display of automotive engine control system - Google Patents

Monitor for output signal measurement and display of automotive engine control system Download PDF

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Publication number
KR910010037A
KR910010037A KR1019890017190A KR890017190A KR910010037A KR 910010037 A KR910010037 A KR 910010037A KR 1019890017190 A KR1019890017190 A KR 1019890017190A KR 890017190 A KR890017190 A KR 890017190A KR 910010037 A KR910010037 A KR 910010037A
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KR
South Korea
Prior art keywords
digital
signal
duty
analog
monitor
Prior art date
Application number
KR1019890017190A
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Korean (ko)
Other versions
KR920001716B1 (en
Inventor
조양래
Original Assignee
김선홍
기아산업 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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Application filed by 김선홍, 기아산업 주식회사 filed Critical 김선홍
Priority to KR1019890017190A priority Critical patent/KR920001716B1/en
Publication of KR910010037A publication Critical patent/KR910010037A/en
Application granted granted Critical
Publication of KR920001716B1 publication Critical patent/KR920001716B1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01BMACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B25/00Regulating, controlling, or safety means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D7/00Indicating measured values

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

내용 없음.No content.

Description

자동차용 엔진제어장치의 출력신호측정 및 표시용 모니터Monitor for output signal measurement and display of automotive engine control system

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

제1도는 본 발명에 따른 모니터의 정면도.1 is a front view of the monitor according to the present invention.

Claims (2)

듀티 및 스텝을 디지탈계수로 표시하는 듀티/스텝표시부(1)와, 전기부하의 작동상태를 표시하는 부하작동표시부(2), 듀티 및 스텝의 디지탈신호가 아나로그신호로 변환된 양을 표시하는 디지탈/아나로그변환출력지시계(3), 입력전원과 아나로그변환출력의 연결 및 듀티/스텝의 측정기능을 절환할 수 있는 기능선택스위치(4), 전기부하를 모니터에 연결하기 위한 부하연결단자(5), 모니터에 전원을 공급하기 위한 입력전원단자(6), 디지탈계수표시기(20)에 표시된 디지탈신호를 아나로그신호로 변환시켜 기록계에 공급하기 위한 디지탈/아나로그변환출력단자(7) 및, 모니터에 입력되는 과전압으로부터 회로를 보호하기 위한 퓨즈(8)로 구성된 것을 특징으로 하는 자동차용 엔진제어장치의 출력신호측정 및 표시용 모니터.A duty / step display unit 1 for displaying the duty and step in digital coefficients, a load operation display unit 2 for displaying the operating state of the electrical load, and an amount for converting the digital signals of the duty and step into analog signals Digital / analog conversion output clock (3), function selection switch (4) for switching input power and analog conversion output and switching of duty / step measurement functions, and load connection terminal for connecting an electric load to the monitor (5), an input power supply terminal 6 for supplying power to the monitor, and a digital / analog conversion output terminal 7 for converting the digital signal displayed on the digital coefficient indicator 20 into an analog signal and supplying it to the recording system. And a fuse (8) for protecting the circuit from overvoltage input to the monitor. 입력전원(9)을 시스템구동용 전원으로 변환시키는 정전압회로(10)와, 공연비제어펄스신호(11)를 파형정형하는 파형정형회로(12), 디지탈버퍼(14)를 통해 인가되는 듀티/스텝절환스위치(13)의 온·오프상태에 따른 신호에 의해 공연비제어펄스신호의 주기 및 변환상태를 측정해서 연상처리를 수행한 다음 디지탈계수표시기(20)를 선택하는 신호를 디지탈계수표시기선택회로(18)로 출력하면서 상기 디지탈계수표시기(20)중 선택된 세그먼트를 구동시키기 위한 신호를 구동회로(19)로 출력하는 마이크로프로세서(17), 이 마이크로프로세서(17)에 의해 연산처리된 디지탈신호를 아날로그신호로 변환시키는 디지탈/아나로그컨버터(16), 이 디지탈/아나로그컨버터(16)에 의해 변화된 아나로그회로를 증폭하는 증폭회로(15), 상기 듀티/스텝절환스위치(13)의 절환상태에 따라 온·오프되어 공연비제어펄스신호(11)를 점멸상태로 표시하는 듀티/스텝절환용 발광다이오드(21) 및, 부하연결용단자(24)에 연결된 부하의 작동상태에 따라 온·오프되어 부하의 작동상태를 표시하는 부하작동표시용 발광다이오드(23)로 구성된 것을 특징으로 하는 자동차용 엔진제어장치의 출력신호측정 및 표시용 모니터.Duty / step applied through the constant voltage circuit 10 for converting the input power source 9 into a system driving power source, the waveform shaping circuit 12 for waveform shaping the air-fuel ratio control pulse signal 11, and the digital buffer 14. The period and conversion state of the air-fuel ratio control pulse signal is measured by the signal according to the on / off state of the switching switch 13, the associative processing is performed, and the signal for selecting the digital coefficient indicator 20 is converted into a digital coefficient indicator selection circuit ( 18, a microprocessor 17 for outputting a signal for driving a selected segment of the digital coefficient indicator 20 to a drive circuit 19, and a digital signal calculated by the microprocessor 17 as an analog. In the switched state of the digital / analog converter 16 for converting into a signal, the amplifier circuit 15 for amplifying the analog circuit changed by the digital / analog converter 16, and the duty / step selector switch 13;The on / off switching of the duty / step switching light emitting diode 21 which displays the air-fuel ratio control pulse signal 11 in a flashing state and the load connected to the load connection terminal 24 is performed. A monitor for output signal measurement and display of an engine control apparatus for a vehicle, characterized in that it comprises a light emitting diode (23) for load operation indication for displaying the operation state of the vehicle. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890017190A 1989-11-25 1989-11-25 Output signal detector and indicative monitor of automobile engine control KR920001716B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890017190A KR920001716B1 (en) 1989-11-25 1989-11-25 Output signal detector and indicative monitor of automobile engine control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890017190A KR920001716B1 (en) 1989-11-25 1989-11-25 Output signal detector and indicative monitor of automobile engine control

Publications (2)

Publication Number Publication Date
KR910010037A true KR910010037A (en) 1991-06-28
KR920001716B1 KR920001716B1 (en) 1992-02-24

Family

ID=19292069

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890017190A KR920001716B1 (en) 1989-11-25 1989-11-25 Output signal detector and indicative monitor of automobile engine control

Country Status (1)

Country Link
KR (1) KR920001716B1 (en)

Also Published As

Publication number Publication date
KR920001716B1 (en) 1992-02-24

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