JP2010209892A - エンジン失火判定システム及び方法 - Google Patents
エンジン失火判定システム及び方法 Download PDFInfo
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- JP2010209892A JP2010209892A JP2009060090A JP2009060090A JP2010209892A JP 2010209892 A JP2010209892 A JP 2010209892A JP 2009060090 A JP2009060090 A JP 2009060090A JP 2009060090 A JP2009060090 A JP 2009060090A JP 2010209892 A JP2010209892 A JP 2010209892A
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- 238000000034 method Methods 0.000 title claims description 9
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- 238000004880 explosion Methods 0.000 claims abstract description 14
- 239000000446 fuel Substances 0.000 claims description 41
- 238000001514 detection method Methods 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 13
- 230000002596 correlated effect Effects 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 description 41
- 239000007789 gas Substances 0.000 description 24
- 239000002737 fuel gas Substances 0.000 description 7
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/021—Control of components of the fuel supply system
- F02D19/023—Control of components of the fuel supply system to adjust the fuel mass or volume flow
- F02D19/024—Control of components of the fuel supply system to adjust the fuel mass or volume flow by controlling fuel injectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B19/00—Engines characterised by precombustion chambers
- F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
- F02B19/1019—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber
- F02B19/1023—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s)
- F02B19/1071—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s) pre-combustion chamber having only one orifice,(i.e. an orifice by means of which it communicates with the cylinder); the intake system comprising two distinct intake conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B19/00—Engines characterised by precombustion chambers
- F02B19/12—Engines characterised by precombustion chambers with positive ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0284—Arrangement of multiple injectors or fuel-air mixers per combustion chamber
-
- 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
- Y02T10/12—Improving ICE efficiencies
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
【解決手段】発電機30を駆動するガスエンジン2の失火を判定するシステム1であって、 ガスエンジン2の気筒3の内部圧力である気筒内圧力を検出可能な筒内圧センサ25と、気筒3が圧縮行程にあるときに筒内圧センサ25で検出される第1気筒内圧力P1と、気筒3が爆発行程にあるときに筒内圧センサ25で検出される第2気筒内圧力P2との差ΔP(=P2−P1)を閾値αと比較することにより、気筒3の失火を判定する失火判定装置24と、を備え、失火判定装置24は、筒内圧センサ25で検出される第1気筒内圧力P1(負荷に相関関係のある値)に応じて閾値αを変更する。
【選択図】図1
Description
ΔP=P2−P1>α
[数2]
ΔP=P2−P1≦α
2 ガスエンジン
3 気筒
22 主制御装置(空燃比制御手段)
24 失火判定装置(失火判定手段)
25 筒内圧センサ(圧力検出手段,負荷情報検出手段)
30 発電機
Claims (4)
- 発電機を駆動するエンジンの失火を判定するシステムであって、
前記エンジンの気筒の内部圧力である気筒内圧力を検出可能な圧力検出手段と、
前記気筒が圧縮行程にあるときに前記圧力検出手段で検出される第1気筒内圧力と、前記気筒が爆発行程にあるときに前記圧力検出手段で検出される第2気筒内圧力との差又は比を閾値と比較することにより、前記気筒の失火を判定する失火判定手段と、
前記発電機の負荷又は前記発電機の負荷に相関関係のある値を検出可能な負荷情報検出手段と、を備え、
前記失火判定手段は、前記負荷情報検出手段で検出される前記負荷又は前記負荷に相関関係のある値に応じて前記閾値を変更することを特徴とするエンジン失火判定システム。 - 前記失火判定手段は、前記負荷情報検出手段で検出される前記負荷又は前記負荷に相関関係のある値が大きくなるにつれて前記閾値を大きくするように構成されている請求項1に記載のエンジン失火判定システム。
- 前記気筒が圧縮行程にあるときの気筒内圧力と前記負荷とが相関関係を有するように前記気筒に供給される混合気の空燃比を制御する空燃比制御手段をさらに有し、
前記圧力検出手段は、前記負荷情報検出手段を兼ねており、
前記負荷情報検出手段は、前記負荷に相関関係のある値として前記気筒が圧縮行程にあるときの気筒内圧力を検出するように構成されている請求項1又は2に記載のエンジン失火判定システム。 - 発電機を駆動するエンジンの失火を判定する方法であって、
前記エンジンの気筒が圧縮行程にあるときに第1気筒内圧力を検出し、
前記エンジンの気筒が爆発行程にあるときに第2気筒内圧力を検出し、
前記第1気筒内圧力と前記第2気筒内圧力との差又は比を閾値と比較することにより、前記気筒の失火を判定し、
前記発電機の負荷又は前記発電機の負荷に相関関係のある値に応じて前記閾値を変更することを特徴とするエンジン失火判定方法。
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JP2009060090A JP5314464B2 (ja) | 2009-03-12 | 2009-03-12 | エンジン失火判定システム及び方法 |
PCT/JP2010/001589 WO2010103778A1 (ja) | 2009-03-12 | 2010-03-08 | エンジン失火判定システム及び方法 |
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JP2009060090A JP5314464B2 (ja) | 2009-03-12 | 2009-03-12 | エンジン失火判定システム及び方法 |
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JP2010209892A true JP2010209892A (ja) | 2010-09-24 |
JP5314464B2 JP5314464B2 (ja) | 2013-10-16 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020176626A (ja) * | 2019-04-15 | 2020-10-29 | ヴィンタートゥール ガス アンド ディーゼル アーゲー | 大型エンジンの運転方法及び大型エンジン |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT511734B1 (de) * | 2011-07-20 | 2016-02-15 | Ge Jenbacher Gmbh & Co Ohg | Verfahren zum betreiben einer stationären kraftanlage |
US9316565B2 (en) * | 2013-01-14 | 2016-04-19 | Cummins Inc. | Exhaust manifold pressure based misfire detection for internal combustion engines |
JP6032136B2 (ja) * | 2013-06-05 | 2016-11-24 | トヨタ自動車株式会社 | 内燃機関の失火検出システム |
CN108644034B (zh) * | 2018-05-18 | 2019-08-09 | 山东大学 | 基于臭氧助燃的大功率稀燃天然气发动机燃烧系统及方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002202000A (ja) * | 2000-12-28 | 2002-07-19 | Fuji Heavy Ind Ltd | エンジンの失火検出装置 |
WO2002079629A1 (fr) * | 2001-03-30 | 2002-10-10 | Mitsubishi Heavy Industries, Ltd. | Procede et dispositif de diagnostic et de controle de la combustion d'un moteur a combustion interne |
JP2006152895A (ja) * | 2004-11-29 | 2006-06-15 | Honda Motor Co Ltd | 失火検出装置 |
JP2007198325A (ja) * | 2006-01-30 | 2007-08-09 | Nissan Motor Co Ltd | 筒内直接噴射式火花点火内燃機関の制御装置 |
JP2008223669A (ja) * | 2007-03-14 | 2008-09-25 | Nissan Motor Co Ltd | エンジン負荷推定装置及びエンジン負荷推定方法 |
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2009
- 2009-03-12 JP JP2009060090A patent/JP5314464B2/ja active Active
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- 2010-03-08 WO PCT/JP2010/001589 patent/WO2010103778A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002202000A (ja) * | 2000-12-28 | 2002-07-19 | Fuji Heavy Ind Ltd | エンジンの失火検出装置 |
WO2002079629A1 (fr) * | 2001-03-30 | 2002-10-10 | Mitsubishi Heavy Industries, Ltd. | Procede et dispositif de diagnostic et de controle de la combustion d'un moteur a combustion interne |
JP2006152895A (ja) * | 2004-11-29 | 2006-06-15 | Honda Motor Co Ltd | 失火検出装置 |
JP2007198325A (ja) * | 2006-01-30 | 2007-08-09 | Nissan Motor Co Ltd | 筒内直接噴射式火花点火内燃機関の制御装置 |
JP2008223669A (ja) * | 2007-03-14 | 2008-09-25 | Nissan Motor Co Ltd | エンジン負荷推定装置及びエンジン負荷推定方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020176626A (ja) * | 2019-04-15 | 2020-10-29 | ヴィンタートゥール ガス アンド ディーゼル アーゲー | 大型エンジンの運転方法及び大型エンジン |
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WO2010103778A1 (ja) | 2010-09-16 |
JP5314464B2 (ja) | 2013-10-16 |
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