JP6417889B2 - 排気管燃料噴射器用故障診断装置 - Google Patents
排気管燃料噴射器用故障診断装置 Download PDFInfo
- Publication number
- JP6417889B2 JP6417889B2 JP2014235919A JP2014235919A JP6417889B2 JP 6417889 B2 JP6417889 B2 JP 6417889B2 JP 2014235919 A JP2014235919 A JP 2014235919A JP 2014235919 A JP2014235919 A JP 2014235919A JP 6417889 B2 JP6417889 B2 JP 6417889B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust pipe
- fuel injector
- injection amount
- fuel injection
- regeneration duration
- 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
Links
- 239000000446 fuel Substances 0.000 title claims description 103
- 238000003745 diagnosis Methods 0.000 title claims description 32
- 230000008929 regeneration Effects 0.000 claims description 48
- 238000011069 regeneration method Methods 0.000 claims description 48
- 238000002347 injection Methods 0.000 claims description 37
- 239000007924 injection Substances 0.000 claims description 37
- 238000002485 combustion reaction Methods 0.000 claims description 22
- 230000005856 abnormality Effects 0.000 claims description 14
- 239000013618 particulate matter Substances 0.000 claims description 13
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 14
- 239000003054 catalyst Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/025—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/025—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
- F01N3/0253—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/05—Systems for adding substances into exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/10—Parameters used for exhaust control or diagnosing said parameters being related to the vehicle or its components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1602—Temperature of exhaust gas apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas After Treatment (AREA)
Description
101 内燃機関
102 ディーゼルパティキュレートフィルタ
103 吸気管
104 吸気多岐管
105 排気管
106 排気多岐管
107 排気再循環管
108 排気再循環冷却器
109 吸気浄化装置
110 排気浄化装置
111 酸化触媒
112 排気温度検出器
113 過給機
114 原動機
115 圧縮機
116 排気管燃料噴射器
117 排気管燃料噴射器用故障診断装置
118 内燃機関制御装置
119 記憶部
120 演算部
121 故障診断部
122 故障診断許可部
123 故障閾値変更部
124 告知部
Claims (2)
- ディーゼルパティキュレートフィルタの温度を再生可能温度まで昇温させると共に前記ディーゼルパティキュレートフィルタの温度を再生持続時間に亘り再生可能温度に維持して前記ディーゼルパティキュレートフィルタに捕集されている粒子状物質を燃焼させることを目的として前記ディーゼルパティキュレートフィルタの排気上流側で指示燃料噴射量に応じて燃料を噴射する排気管燃料噴射器の正常/異常を診断するための排気管燃料噴射器用故障診断装置において、
再生持続時間と再生持続時間中における指示燃料噴射量を記憶する記憶部と、
再生持続時間中における単位時間あたりの指示燃料噴射量を演算する演算部と、
再生持続時間中における単位時間あたりの指示燃料噴射量が故障閾値を超えている時に前記排気管燃料噴射器が異常であると診断し、再生持続時間中における単位時間あたりの指示燃料噴射量が故障閾値を超えていない時に前記排気管燃料噴射器が正常であると診断する故障診断部と、
再生持続時間中における車速に応じて故障閾値を変更する故障閾値変更部と、
を備えている
ことを特徴とする排気管燃料噴射器用故障診断装置。 - 再生持続時間中における単位時間あたりの指示燃料噴射量と故障閾値との乖離度に基づいて前記故障診断部により前記排気管燃料噴射器が異常であると診断されるまでの余裕度を告知する告知部を更に備えている請求項1に記載の排気管燃料噴射器用故障診断装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014235919A JP6417889B2 (ja) | 2014-11-20 | 2014-11-20 | 排気管燃料噴射器用故障診断装置 |
CN201580063073.8A CN107002535B (zh) | 2014-11-20 | 2015-11-17 | 排气管燃料喷射器用故障诊断装置 |
PCT/JP2015/082297 WO2016080402A1 (ja) | 2014-11-20 | 2015-11-17 | 排気管燃料噴射器用故障診断装置 |
EP15861552.6A EP3222832B1 (en) | 2014-11-20 | 2015-11-17 | Device for diagnosing failure in exhaust pipe fuel injector |
US15/528,293 US10202882B2 (en) | 2014-11-20 | 2015-11-17 | Fault diagnosis device for exhaust pipe fuel injector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014235919A JP6417889B2 (ja) | 2014-11-20 | 2014-11-20 | 排気管燃料噴射器用故障診断装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016098716A JP2016098716A (ja) | 2016-05-30 |
JP6417889B2 true JP6417889B2 (ja) | 2018-11-07 |
Family
ID=56013937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014235919A Expired - Fee Related JP6417889B2 (ja) | 2014-11-20 | 2014-11-20 | 排気管燃料噴射器用故障診断装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10202882B2 (ja) |
EP (1) | EP3222832B1 (ja) |
JP (1) | JP6417889B2 (ja) |
CN (1) | CN107002535B (ja) |
WO (1) | WO2016080402A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10494972B2 (en) * | 2016-11-04 | 2019-12-03 | Ford Global Technologies, Llc | System and method for diesel exhaust fluid injector cleaning |
JP7059735B2 (ja) * | 2018-03-22 | 2022-04-26 | いすゞ自動車株式会社 | 故障判定装置および故障判定データ取得装置 |
JP7132798B2 (ja) * | 2018-08-31 | 2022-09-07 | 三菱重工エンジン&ターボチャージャ株式会社 | Dpf再生制御装置及びdpf再生制御方法 |
CN111322143B (zh) * | 2020-02-26 | 2021-08-20 | 潍柴动力股份有限公司 | 柴油机颗粒捕集器的诊断方法、云端服务器及车载终端 |
CN112943427B (zh) * | 2021-02-05 | 2022-05-17 | 广西玉柴机器股份有限公司 | 一种发动机后处理hc喷射系统诊断方法 |
CN113803138B (zh) * | 2021-09-03 | 2022-11-29 | 潍柴动力股份有限公司 | 后处理系统的控制方法、控制装置及车辆 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3321837B2 (ja) | 1992-08-06 | 2002-09-09 | 株式会社日立製作所 | 車両の診断制御方法 |
JP2002250248A (ja) * | 2001-12-25 | 2002-09-06 | Hitachi Ltd | 車両の診断制御方法 |
JP4236896B2 (ja) * | 2002-10-09 | 2009-03-11 | 日野自動車株式会社 | 排気浄化装置 |
JP3823923B2 (ja) | 2003-01-16 | 2006-09-20 | 日産自動車株式会社 | 排気浄化装置 |
JP4417878B2 (ja) | 2005-05-16 | 2010-02-17 | いすゞ自動車株式会社 | 排気ガス浄化方法及び排気ガス浄化システム |
JP4561467B2 (ja) | 2005-05-16 | 2010-10-13 | いすゞ自動車株式会社 | 排気ガス浄化方法及び排気ガス浄化システム |
JP2008031968A (ja) * | 2006-07-31 | 2008-02-14 | Fuji Heavy Ind Ltd | エンジンの故障診断装置 |
US20100154387A1 (en) * | 2008-12-19 | 2010-06-24 | Toyota Jidosha Kabushiki Kaisha | Abnormality detection device for reductant addition valve |
WO2011114540A1 (ja) | 2010-03-18 | 2011-09-22 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
CN103201469B (zh) | 2010-08-20 | 2016-05-18 | 马克卡车公司 | 用于内燃机排气后处理的加热装置 |
JP2012102650A (ja) * | 2010-11-09 | 2012-05-31 | Mitsubishi Fuso Truck & Bus Corp | 内燃機関の異常判定装置 |
JP5736759B2 (ja) * | 2010-12-15 | 2015-06-17 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP5720230B2 (ja) * | 2010-12-16 | 2015-05-20 | いすゞ自動車株式会社 | パティキュレートフィルタシステム |
JP6142530B2 (ja) * | 2012-12-28 | 2017-06-07 | いすゞ自動車株式会社 | 尿素scr用尿素水消費量診断装置 |
-
2014
- 2014-11-20 JP JP2014235919A patent/JP6417889B2/ja not_active Expired - Fee Related
-
2015
- 2015-11-17 CN CN201580063073.8A patent/CN107002535B/zh active Active
- 2015-11-17 EP EP15861552.6A patent/EP3222832B1/en active Active
- 2015-11-17 WO PCT/JP2015/082297 patent/WO2016080402A1/ja active Application Filing
- 2015-11-17 US US15/528,293 patent/US10202882B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN107002535A (zh) | 2017-08-01 |
EP3222832B1 (en) | 2019-10-02 |
US10202882B2 (en) | 2019-02-12 |
CN107002535B (zh) | 2019-06-21 |
WO2016080402A1 (ja) | 2016-05-26 |
EP3222832A4 (en) | 2018-10-10 |
US20170328258A1 (en) | 2017-11-16 |
EP3222832A1 (en) | 2017-09-27 |
JP2016098716A (ja) | 2016-05-30 |
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