CA3131581A1 - Failure detection method for scr urea injection devices - Google Patents
Failure detection method for scr urea injection devices Download PDFInfo
- Publication number
- CA3131581A1 CA3131581A1 CA3131581A CA3131581A CA3131581A1 CA 3131581 A1 CA3131581 A1 CA 3131581A1 CA 3131581 A CA3131581 A CA 3131581A CA 3131581 A CA3131581 A CA 3131581A CA 3131581 A1 CA3131581 A1 CA 3131581A1
- Authority
- CA
- Canada
- Prior art keywords
- value
- quartile
- urea
- abnormality
- scr
- 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.)
- Abandoned
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 239000004202 carbamide Substances 0.000 title claims abstract description 96
- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 238000002347 injection Methods 0.000 title claims description 17
- 239000007924 injection Substances 0.000 title claims description 17
- 230000005856 abnormality Effects 0.000 claims description 46
- 239000000243 solution Substances 0.000 claims description 45
- 238000004458 analytical method Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000007619 statistical method Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
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
- 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
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- 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
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- 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
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/148—Arrangement of sensors
-
- 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
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010945468.3 | 2020-09-10 | ||
| CN202010945468.3A CN112031903B (zh) | 2020-09-10 | 2020-09-10 | 一种针对scr尿素喷射装置的故障诊断方法 |
| PCT/CN2021/081603 WO2021213093A1 (zh) | 2020-09-10 | 2021-03-18 | 一种针对scr尿素喷射装置的故障诊断方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3131581A1 true CA3131581A1 (en) | 2022-03-10 |
Family
ID=73585325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3131581A Abandoned CA3131581A1 (en) | 2020-09-10 | 2021-03-18 | Failure detection method for scr urea injection devices |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN112031903B (zh) |
| AU (1) | AU2021236547A1 (zh) |
| CA (1) | CA3131581A1 (zh) |
| WO (1) | WO2021213093A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673581A (zh) * | 2022-03-22 | 2022-06-28 | 潍柴动力股份有限公司 | 一种确定尿素泵是否处于待保养状态的方法及装置 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031903B (zh) * | 2020-09-10 | 2021-04-02 | 上海星融汽车科技有限公司 | 一种针对scr尿素喷射装置的故障诊断方法 |
| CN114251165B (zh) * | 2021-12-08 | 2023-03-21 | 潍柴动力股份有限公司 | 压力管功率检测方法、装置、存储介质和车辆 |
| CN114607494A (zh) * | 2022-03-04 | 2022-06-10 | 潍柴动力股份有限公司 | 一种监测尿素箱加热电磁阀故障的方法及装置 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005073528A1 (ja) * | 2004-02-02 | 2005-08-11 | Nissan Diesel Motor Co., Ltd. | エンジンの排気浄化装置 |
| JP4906525B2 (ja) * | 2007-01-26 | 2012-03-28 | ボッシュ株式会社 | 還元剤噴射弁の詰まり判定装置及び還元剤噴射弁の詰まり判定方法 |
| JP4840703B2 (ja) * | 2007-11-16 | 2011-12-21 | トヨタ自動車株式会社 | 排気浄化システムの異常診断装置 |
| KR100907363B1 (ko) * | 2008-03-03 | 2009-07-10 | 현대자동차주식회사 | Ｕｒｅａ-ｓｃｒ 시스템 제어방법 |
| JP5534602B2 (ja) * | 2009-11-06 | 2014-07-02 | ボッシュ株式会社 | 還元剤噴射弁の異常検出装置及び異常検出方法 |
| JP6508475B2 (ja) * | 2015-10-27 | 2019-05-08 | 株式会社デンソー | 診断装置 |
| CN107120164A (zh) * | 2016-02-24 | 2017-09-01 | 罗伯特·博世有限公司 | 车辆scr系统的喷射器的故障诊断方法和装置 |
| WO2017211425A1 (en) * | 2016-06-09 | 2017-12-14 | Plastic Omnium Advanced Innovation And Research | Method for detecting a leak in a feed line of a scr system |
| CN106227640B (zh) * | 2016-07-27 | 2019-03-19 | 北京市环境保护监测中心 | 一种基于自动监测仪器的异常数据检测方法及系统 |
| WO2018047554A1 (ja) * | 2016-09-12 | 2018-03-15 | ボッシュ株式会社 | 制御装置 |
| CN107044322B (zh) * | 2016-12-26 | 2019-09-27 | 潍柴动力股份有限公司 | 一种尿素喷嘴堵塞清除及判定喷嘴损坏的控制方法 |
| CN109681304A (zh) * | 2018-12-25 | 2019-04-26 | 上海星融汽车科技有限公司 | 一种scr系统尿素喷嘴堵塞识别方法 |
| CN112031903B (zh) * | 2020-09-10 | 2021-04-02 | 上海星融汽车科技有限公司 | 一种针对scr尿素喷射装置的故障诊断方法 |
-
2020
- 2020-09-10 CN CN202010945468.3A patent/CN112031903B/zh active Active
-
2021
- 2021-03-18 WO PCT/CN2021/081603 patent/WO2021213093A1/zh active Application Filing
- 2021-03-18 CA CA3131581A patent/CA3131581A1/en not_active Abandoned
- 2021-03-18 AU AU2021236547A patent/AU2021236547A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673581A (zh) * | 2022-03-22 | 2022-06-28 | 潍柴动力股份有限公司 | 一种确定尿素泵是否处于待保养状态的方法及装置 |
| CN114673581B (zh) * | 2022-03-22 | 2023-01-24 | 潍柴动力股份有限公司 | 一种确定尿素泵是否处于待保养状态的方法及装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112031903A (zh) | 2020-12-04 |
| WO2021213093A1 (zh) | 2021-10-28 |
| AU2021236547A1 (en) | 2022-03-24 |
| CN112031903B (zh) | 2021-04-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20240501 |