JP4864814B2 - グロープラグの故障診断装置 - Google Patents
グロープラグの故障診断装置 Download PDFInfo
- Publication number
- JP4864814B2 JP4864814B2 JP2007142311A JP2007142311A JP4864814B2 JP 4864814 B2 JP4864814 B2 JP 4864814B2 JP 2007142311 A JP2007142311 A JP 2007142311A JP 2007142311 A JP2007142311 A JP 2007142311A JP 4864814 B2 JP4864814 B2 JP 4864814B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- glow plug
- glow
- engine
- current
- 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.)
- Expired - Fee Related
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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
- 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
- F02P19/021—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 characterised by power delivery controls
- F02P19/023—Individual control of the glow plugs
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)
Description
2 電子制御装置
3 グロープラグ
4 グローリレー
7 電流センサ
Claims (2)
- エンジンの各気筒毎に備えられたグロープラグの異常の有無を診断するグロープラグの故障診断装置において、
各気筒のグロープラグを個別に通電/遮断可能な駆動手段と、
各気筒のグロープラグの並列接続の電流値を検出する電流検出手段と、
各気筒のグロープラグの通電開始順をエンジン始動時の燃料噴射気筒順として、上記駆動手段を介して各気筒のグロープラグを時間的にずらしながら順次通電させ、上記電流検出手段で検出した電流値の増加状態に基づいて、上記グロープラグの異常の有無を診断し、異常のグロープラグを特定する診断手段と
を備えることを特徴とするグロープラグの故障診断装置。 - エンジンの各気筒毎に備えられたグロープラグの異常の有無を診断するグロープラグの故障診断装置において、
各気筒のグロープラグを個別に通電/遮断可能な駆動手段と、
各気筒のグロープラグの並列接続の電流値を検出する電流検出手段と、
上記駆動手段を介して全気筒のグロープラグを通電した後、各気筒のグロープラグの通電終了順をエンジン始動時の燃料噴射気筒順として、各気筒のグロープラグを時間的にずらしながら順次通電終了させ、上記電流検出手段で検出した電流値の減少状態に基づいて、上記グロープラグの異常の有無を診断し、異常のグロープラグを特定する診断手段と
を備えることを特徴とするグロープラグの故障診断装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007142311A JP4864814B2 (ja) | 2007-05-29 | 2007-05-29 | グロープラグの故障診断装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007142311A JP4864814B2 (ja) | 2007-05-29 | 2007-05-29 | グロープラグの故障診断装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008297925A JP2008297925A (ja) | 2008-12-11 |
JP4864814B2 true JP4864814B2 (ja) | 2012-02-01 |
Family
ID=40171681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007142311A Expired - Fee Related JP4864814B2 (ja) | 2007-05-29 | 2007-05-29 | グロープラグの故障診断装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4864814B2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090179026A1 (en) * | 2008-01-15 | 2009-07-16 | Denso Corporation | Apparatus for detecting deterioration of a heater and apparatus for controlling energization of a glow plug |
DE102008001403A1 (de) * | 2008-04-28 | 2009-10-29 | Robert Bosch Gmbh | Verfahren, Steuergerät und System zum Wiederstarten eines Brennkraftmotors |
GB2466273B (en) * | 2008-12-18 | 2013-01-09 | Gm Global Tech Operations Inc | A method for controlling glow plugs in a diesel engine particularly for motor-vehicles |
JP5393341B2 (ja) | 2009-08-20 | 2014-01-22 | 株式会社デンソー | グロープラグ劣化判定装置 |
DE102011006790B4 (de) | 2010-04-05 | 2021-04-22 | Denso Corporation | Steuerungsvorrichtung zum steuern einer stromzufuhr an eine glühkerze, die in einer dieselbrennkraftmaschine angebracht ist |
KR101286995B1 (ko) * | 2011-06-30 | 2013-07-23 | 주식회사 유라테크 | 글로우 플러그 단선 수 검출 장치 및 방법 |
KR101315164B1 (ko) | 2011-06-30 | 2013-10-07 | 주식회사 유라테크 | 글로우 플러그의 저항 설계에 따른 단선 수 검출 장치 및 방법 |
KR101503912B1 (ko) * | 2013-03-13 | 2015-03-19 | 유재용 | 글로플러그 검사장치 |
KR20140146723A (ko) * | 2013-06-17 | 2014-12-29 | 주식회사 유라테크 | 글로우 플러그 과온 방지 장치 및 방법 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5726275A (en) * | 1980-07-24 | 1982-02-12 | Nippon Denso Co Ltd | Method and device for detecting glow plug disconnection |
JPS58172472A (ja) * | 1982-04-02 | 1983-10-11 | Nippon Denso Co Ltd | 加熱体の断線検出方法 |
JP3952562B2 (ja) * | 1997-12-18 | 2007-08-01 | いすゞ自動車株式会社 | グロープラグの断線検出システム |
JP4559383B2 (ja) * | 2006-05-26 | 2010-10-06 | 株式会社オートネットワーク技術研究所 | グロープラグ制御装置 |
JP4565574B2 (ja) * | 2006-07-06 | 2010-10-20 | 株式会社オートネットワーク技術研究所 | 異常検出装置 |
-
2007
- 2007-05-29 JP JP2007142311A patent/JP4864814B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2008297925A (ja) | 2008-12-11 |
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