JPS56113053A - Ignition timing control device for internal combustion engine - Google Patents

Ignition timing control device for internal combustion engine

Info

Publication number
JPS56113053A
JPS56113053A JP1575380A JP1575380A JPS56113053A JP S56113053 A JPS56113053 A JP S56113053A JP 1575380 A JP1575380 A JP 1575380A JP 1575380 A JP1575380 A JP 1575380A JP S56113053 A JPS56113053 A JP S56113053A
Authority
JP
Japan
Prior art keywords
knocking
circuit
detection
control device
combustion engine
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP1575380A
Other languages
Japanese (ja)
Inventor
Teruyoshi Ito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
NipponDenso Co Ltd
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.)
Filing date
Publication date
Application filed by NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP1575380A priority Critical patent/JPS56113053A/en
Publication of JPS56113053A publication Critical patent/JPS56113053A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Electrical Control Of Ignition Timing (AREA)

Abstract

PURPOSE:To improve the accuracy of knocking detection by providing an amplitude restriction circuit to a reference signal detection circuit in a knocking detection circuit. CONSTITUTION:A reference for knocking strength comparison is used as a guide to average the output of a knocking detector. If a large knocking continues, the reference value increases and lowers the accuracy of detection. To prevent this, an amplitude restriction circuit 12 is installed before a knocking decision signal output circuit 13 which looks for a reference value, and thus restricts the input to the circuit 13. With this construction, the amplitude restriction circuit 12 clanps even a large noise produced by poor adjustment such as tappet clearance in a knocking decision correction circuit 13 and reduces the influence of noise and detects stable knocking.
JP1575380A 1980-02-11 1980-02-11 Ignition timing control device for internal combustion engine Pending JPS56113053A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1575380A JPS56113053A (en) 1980-02-11 1980-02-11 Ignition timing control device for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1575380A JPS56113053A (en) 1980-02-11 1980-02-11 Ignition timing control device for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS56113053A true JPS56113053A (en) 1981-09-05

Family

ID=11897527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1575380A Pending JPS56113053A (en) 1980-02-11 1980-02-11 Ignition timing control device for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS56113053A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095081A2 (en) * 1982-05-14 1983-11-30 Mitsubishi Denki Kabushiki Kaisha Ignition timing control system for internal-combustion engine
JPS63134860A (en) * 1986-11-26 1988-06-07 Nippon Denso Co Ltd Knock control device for internal combustion engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095081A2 (en) * 1982-05-14 1983-11-30 Mitsubishi Denki Kabushiki Kaisha Ignition timing control system for internal-combustion engine
JPS63134860A (en) * 1986-11-26 1988-06-07 Nippon Denso Co Ltd Knock control device for internal combustion engine

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