EP2290224A3 - Glow plug deterioration determination system - Google Patents

Glow plug deterioration determination system Download PDF

Info

Publication number
EP2290224A3
EP2290224A3 EP10251466.8A EP10251466A EP2290224A3 EP 2290224 A3 EP2290224 A3 EP 2290224A3 EP 10251466 A EP10251466 A EP 10251466A EP 2290224 A3 EP2290224 A3 EP 2290224A3
Authority
EP
European Patent Office
Prior art keywords
glow plug
plug
current
determination system
deterioration determination
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.)
Granted
Application number
EP10251466.8A
Other languages
German (de)
French (fr)
Other versions
EP2290224A2 (en
EP2290224B1 (en
Inventor
Hisaharu Morita
Koichi Mizutani
Naoyuki Miyara
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of EP2290224A2 publication Critical patent/EP2290224A2/en
Publication of EP2290224A3 publication Critical patent/EP2290224A3/en
Application granted granted Critical
Publication of EP2290224B1 publication Critical patent/EP2290224B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
    • F02P19/02—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
    • F02P19/027—Safety devices, e.g. for diagnosing the glow plugs or the related circuits
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2058—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value
    • 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
    • F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
    • 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
    • F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
    • F02P19/02—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
    • F02P19/025—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs with means for determining glow plug temperature or glow plug resistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)

Abstract

A glow plug deterioration determination system 1 includes: a glow plug 40; a GCU 30 that controls energization of the glow plug 40 from a power supply 10 by driving switch means T1 to T4 to open and close in accordance with a drive signal SI issued by an ECU 20; a self-diagnosis unit (DIU) 32 that detects an abnormality between the glow plug 40, the switch means T1 to T4, and the GCU 30 and transmits a self-diagnosis signal DI to the ECU 20; and current detecting means S1 to S4 for detecting a plug current IGL flowing through the glow plug 40, wherein the DIU 32 includes deterioration level determining means 330 for determining whether the glow plug 40 is in a deteriorated condition by comparing a plug current converted voltage Vi that is proportionate to the plug current IGL with a plurality of voltage thresholds Vref1 to Veefn.
EP10251466.8A 2009-08-20 2010-08-19 Glow plug deterioration determination system Not-in-force EP2290224B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009191294A JP5393341B2 (en) 2009-08-20 2009-08-20 Glow plug deterioration judgment device

Publications (3)

Publication Number Publication Date
EP2290224A2 EP2290224A2 (en) 2011-03-02
EP2290224A3 true EP2290224A3 (en) 2015-10-21
EP2290224B1 EP2290224B1 (en) 2017-11-01

Family

ID=43416424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10251466.8A Not-in-force EP2290224B1 (en) 2009-08-20 2010-08-19 Glow plug deterioration determination system

Country Status (2)

Country Link
EP (1) EP2290224B1 (en)
JP (1) JP5393341B2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5652317B2 (en) * 2011-05-09 2015-01-14 株式会社デンソー Control unit integrated glow plug
CN103765106B (en) * 2011-05-20 2015-09-09 博世株式会社 The driving control device of the monomer experimental technique of spark plug, spark plug, spark plug new/old decision method and spark plug
WO2013042488A1 (en) * 2011-09-20 2013-03-28 ボッシュ株式会社 Glow plug diagnostic method and glow plug drive control device
EP2773658B1 (en) 2011-10-31 2018-05-16 Philip Morris Products S.a.s. Modulating beta-damascenone in plants
EP2940288A4 (en) * 2012-12-27 2018-01-10 Bosch Corporation Glow plug diagnosis method and device for controlling driving of vehicle glow plug
DE102019108688B3 (en) 2019-04-03 2020-06-25 Borgwarner Ludwigsburg Gmbh Method for determining the resistance temperature characteristic of a ceramic glow plug

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1818536A2 (en) * 2006-02-08 2007-08-15 Robert Bosch Gmbh Method and device for surveillance of at least one glow plug of a motor vehicle
US20090037120A1 (en) * 2007-08-01 2009-02-05 Denso Corporation Glow plug degradation determination device
DE102009000232A1 (en) * 2008-01-15 2009-07-16 DENSO CORPORARTION, Kariya-shi Device for detecting a deterioration of a heating element and device for controlling a power supply of a glow plug

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4245236B2 (en) 1999-08-30 2009-03-25 株式会社エヌエフ回路設計ブロック Current detection circuit
JP3838212B2 (en) 2003-03-26 2006-10-25 株式会社デンソー Ceramic glow plug
JP4093175B2 (en) 2003-11-17 2008-06-04 株式会社デンソー Glow plug
JP4565574B2 (en) * 2006-07-06 2010-10-20 株式会社オートネットワーク技術研究所 Anomaly detection device
JP2008280895A (en) * 2007-05-09 2008-11-20 Toyota Motor Corp Internal combustion engine control device
JP4864814B2 (en) 2007-05-29 2012-02-01 富士重工業株式会社 Glow plug fault diagnosis device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1818536A2 (en) * 2006-02-08 2007-08-15 Robert Bosch Gmbh Method and device for surveillance of at least one glow plug of a motor vehicle
US20090037120A1 (en) * 2007-08-01 2009-02-05 Denso Corporation Glow plug degradation determination device
DE102009000232A1 (en) * 2008-01-15 2009-07-16 DENSO CORPORARTION, Kariya-shi Device for detecting a deterioration of a heating element and device for controlling a power supply of a glow plug

Also Published As

Publication number Publication date
EP2290224A2 (en) 2011-03-02
EP2290224B1 (en) 2017-11-01
JP5393341B2 (en) 2014-01-22
JP2011043099A (en) 2011-03-03

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