JP7367633B2 - 内燃機関のオイル劣化判定装置 - Google Patents
内燃機関のオイル劣化判定装置 Download PDFInfo
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- JP7367633B2 JP7367633B2 JP2020132428A JP2020132428A JP7367633B2 JP 7367633 B2 JP7367633 B2 JP 7367633B2 JP 2020132428 A JP2020132428 A JP 2020132428A JP 2020132428 A JP2020132428 A JP 2020132428A JP 7367633 B2 JP7367633 B2 JP 7367633B2
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- value
- oil
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- oil deterioration
- sludge
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- 230000006866 deterioration Effects 0.000 title claims description 62
- 238000002485 combustion reaction Methods 0.000 title claims description 28
- 239000010705 motor oil Substances 0.000 title claims description 7
- 239000003921 oil Substances 0.000 claims description 93
- 239000010802 sludge Substances 0.000 claims description 83
- 239000002243 precursor Substances 0.000 claims description 82
- 230000001186 cumulative effect Effects 0.000 claims description 60
- 238000004364 calculation method Methods 0.000 claims description 20
- 239000000446 fuel Substances 0.000 description 61
- 238000009825 accumulation Methods 0.000 description 14
- 238000012937 correction Methods 0.000 description 13
- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 11
- 229930195733 hydrocarbon Natural products 0.000 description 9
- 150000002430 hydrocarbons Chemical class 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 8
- 229910052717 sulfur Inorganic materials 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052815 sulfur oxide Inorganic materials 0.000 description 2
- 230000004397 blinking Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
前記車両を駆動する内燃機関を潤滑するオイルに蓄積されるスラッジプリカーサの積算値を算出するスラッジプリカーサ積算値算出部と、
前記車両が使用される地域を表す使用地情報を取得する使用地情報取得部と、
前記走行距離の積算値または前記スラッジプリカーサの積算値が前記使用地情報に応じて設定される第1の判定閾値以上の場合、もしくは前記使用地情報に応じて補正された前記走行距離の積算値または前記スラッジプリカーサの積算値が各使用地に共通の第2の判定閾値以上の場合、前記オイルが劣化していることを判定するオイル劣化判定部と、
を備える、内燃機関のオイル劣化判定装置。
1.スラッジプリカーサの元となる不溶解分子が多く発生する
2.スラッジの生成を促進するための酸性物質(硝酸、硫酸)のオイル中における濃度が高い
3.シリンダとピストンとの間を通過するブローバイガス量やオイルに希釈する燃料量が多い
200 制御装置
210 プロセッサ
211 走行距離積算値算出部
212 燃料噴射量決定部
213 スラッジプリカーサ積算値算出部
214 仕向地情報取得部
215 判定閾値設定部
216 積算値補正部
217 オイル劣化判定部
218 表示処理部
220 メモリ
230 通信インターフェース
300 ボディECU
400 各種センサ
500 表示装置
1000 オイル劣化判定システム
Claims (1)
- 車両の走行距離の積算値を算出する走行距離積算値算出部と、
前記車両を駆動する内燃機関を潤滑するオイルに蓄積されるスラッジプリカーサの積算値を算出するスラッジプリカーサ積算値算出部と、
前記車両が使用される地域を表す使用地情報を取得する使用地情報取得部と、
前記スラッジプリカーサの積算値が前記使用地情報に応じて設定される第1の判定閾値以上の場合、もしくは前記使用地情報に応じて補正された前記スラッジプリカーサの積算値が各使用地に共通の第2の判定閾値以上の場合、前記オイルが劣化していることを判定するオイル劣化判定部と、
を備える、内燃機関のオイル劣化判定装置。
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JP2020132428A JP7367633B2 (ja) | 2020-08-04 | 2020-08-04 | 内燃機関のオイル劣化判定装置 |
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JP2020132428A JP7367633B2 (ja) | 2020-08-04 | 2020-08-04 | 内燃機関のオイル劣化判定装置 |
Publications (2)
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JP2022029200A JP2022029200A (ja) | 2022-02-17 |
JP7367633B2 true JP7367633B2 (ja) | 2023-10-24 |
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JP2020132428A Active JP7367633B2 (ja) | 2020-08-04 | 2020-08-04 | 内燃機関のオイル劣化判定装置 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000508404A (ja) | 1996-12-27 | 2000-07-04 | ダイムラークライスラー アクチエンゲゼルシヤフト | 自動車機関の機関油手入れ時点を求める方法 |
JP2008050972A (ja) | 2006-08-23 | 2008-03-06 | Toyota Motor Corp | エンジンオイルの劣化判定装置 |
JP2013044258A (ja) | 2011-08-23 | 2013-03-04 | Toyota Motor Corp | 内燃機関の制御装置 |
JP5811183B2 (ja) | 2011-10-20 | 2015-11-11 | トヨタ自動車株式会社 | 内燃機関のオイル劣化判定装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61192996A (ja) * | 1985-02-22 | 1986-08-27 | Nissan Motor Co Ltd | 車両用潤滑油交換警告装置 |
JPS61207811A (ja) * | 1985-03-12 | 1986-09-16 | Nissan Motor Co Ltd | 潤滑油交換時期警告装置 |
-
2020
- 2020-08-04 JP JP2020132428A patent/JP7367633B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000508404A (ja) | 1996-12-27 | 2000-07-04 | ダイムラークライスラー アクチエンゲゼルシヤフト | 自動車機関の機関油手入れ時点を求める方法 |
JP2008050972A (ja) | 2006-08-23 | 2008-03-06 | Toyota Motor Corp | エンジンオイルの劣化判定装置 |
JP2013044258A (ja) | 2011-08-23 | 2013-03-04 | Toyota Motor Corp | 内燃機関の制御装置 |
JP5811183B2 (ja) | 2011-10-20 | 2015-11-11 | トヨタ自動車株式会社 | 内燃機関のオイル劣化判定装置 |
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