JP6716416B2 - 点火制御装置 - Google Patents
点火制御装置 Download PDFInfo
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- JP6716416B2 JP6716416B2 JP2016192735A JP2016192735A JP6716416B2 JP 6716416 B2 JP6716416 B2 JP 6716416B2 JP 2016192735 A JP2016192735 A JP 2016192735A JP 2016192735 A JP2016192735 A JP 2016192735A JP 6716416 B2 JP6716416 B2 JP 6716416B2
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- limit value
- temperature
- advance
- combustion chamber
- internal combustion
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- 238000002485 combustion reaction Methods 0.000 claims description 92
- 239000003507 refrigerant Substances 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 description 21
- 238000001816 cooling Methods 0.000 description 16
- 239000000446 fuel Substances 0.000 description 16
- 239000000203 mixture Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Images
Classifications
-
- 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
- Electrical Control Of Ignition Timing (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
まず、運転状態取得部1aにより、例えば冷却水温度Twが所定温度を上回ったか否かを判定することで、暖機運転が完了しているかが判断される(ステップS1)。運転状態取得部1aが暖機運転が完了していると判断すると、差分温度算出部1cにより、差分温度TCCDが算出される(ステップS2)。ステップS2では、差分温度算出部1cが、燃焼室壁温センサ4及び冷却水温度センサ5から燃焼室壁温Tccと、冷却水温度Twを取得し、式1に基づいて差分温度TCCDを算出する。
さらに、内燃機関100が空冷の場合には、燃焼室壁温Tccと外気温度との差分温度に基づいて進角限界値を設定することが可能である。
1a 運転状態取得部
1b 進角値設定部
1c 差分温度算出部
1d 進角限界値設定部
100 内燃機関
Claims (2)
- 冷媒により冷却される内燃機関の燃焼室での点火タイミングを制御する点火制御装置であって、
前記燃焼室の壁温と前記冷媒の温度との相関に基づいて、点火タイミングの進角限界値を定める進角限界値決定手段を備え、
前記進角限界値決定手段は、前記内燃機関の暖機運転が完了した後において、前記燃焼室の壁温と前記冷媒の温度との差分が大きくなるほど前記進角限界値が小さくなるように、前記燃焼室の壁温と前記冷媒の温度との差分に基づいて点火タイミングの進角限界値を定めることを特徴とする点火制御装置。 - 前記冷媒は、液体であることを特徴とする請求項1記載の点火制御装置。
Priority Applications (1)
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JP2016192735A JP6716416B2 (ja) | 2016-09-30 | 2016-09-30 | 点火制御装置 |
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JP2016192735A JP6716416B2 (ja) | 2016-09-30 | 2016-09-30 | 点火制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018053850A JP2018053850A (ja) | 2018-04-05 |
JP6716416B2 true JP6716416B2 (ja) | 2020-07-01 |
Family
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JP2016192735A Active JP6716416B2 (ja) | 2016-09-30 | 2016-09-30 | 点火制御装置 |
Country Status (1)
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JP (1) | JP6716416B2 (ja) |
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2016
- 2016-09-30 JP JP2016192735A patent/JP6716416B2/ja active Active
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JP2018053850A (ja) | 2018-04-05 |
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