JP2011012577A - Pmセンサ - Google Patents
Pmセンサ Download PDFInfo
- Publication number
- JP2011012577A JP2011012577A JP2009155944A JP2009155944A JP2011012577A JP 2011012577 A JP2011012577 A JP 2011012577A JP 2009155944 A JP2009155944 A JP 2009155944A JP 2009155944 A JP2009155944 A JP 2009155944A JP 2011012577 A JP2011012577 A JP 2011012577A
- Authority
- JP
- Japan
- Prior art keywords
- dpf
- sensor
- amount
- capacitance
- electrodes
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 abstract description 5
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Images
Classifications
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
-
- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/05—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a particulate sensor
-
- 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
- F01N2900/0601—Parameters used for exhaust control or diagnosing being estimated
-
- 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
- F01N2900/1606—Particle filter loading or soot amount
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
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- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
【解決手段】多数の隔壁で仕切られた多孔状のフィルタ本体2を有するディーゼルパティキュレートフィルタ(DPF)3に、1個以上の隔壁を挟んでコンデンサを形成する2つの電極4a,4bを同心状に重ねて設置し、そのコンデンサの静電容量からDPF3に捕集されているPMの量が検出されるようにした。
【選択図】図1
Description
2,43,55 フィルタ本体
3,52 ディーゼルパティキュレートフィルタ(DPF)
4a,4b,42a,42b 電極
42a,54a 外側電極
42b,54b 内側電極
5 ECU
Claims (3)
- 多数の隔壁で仕切られた多孔状のフィルタ本体を有するディーゼルパティキュレートフィルタ(DPF)に、1個以上の上記隔壁を挟んでコンデンサを形成する2つの電極を同心状に重ねて設置し、上記コンデンサの静電容量から上記DPFに捕集されているPMの量が検出されるようにしたことを特徴とするPMセンサ。
- 上記2つの電極のうち一方の電極を上記フィルタ本体の外周に設け、他方の電極を上記フィルタ本体内部に設けたことを特徴とする請求項1記載のPMセンサ。
- 上記フィルタ本体の外周の電極は、上記DPFの金属製ケースであることを特徴とする請求項2記載のPMセンサ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009155944A JP5540585B2 (ja) | 2009-06-30 | 2009-06-30 | Pmセンサ |
PCT/JP2010/060176 WO2011001824A1 (ja) | 2009-06-30 | 2010-06-16 | Pmセンサ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009155944A JP5540585B2 (ja) | 2009-06-30 | 2009-06-30 | Pmセンサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011012577A true JP2011012577A (ja) | 2011-01-20 |
JP5540585B2 JP5540585B2 (ja) | 2014-07-02 |
Family
ID=43410902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009155944A Expired - Fee Related JP5540585B2 (ja) | 2009-06-30 | 2009-06-30 | Pmセンサ |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5540585B2 (ja) |
WO (1) | WO2011001824A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012160949A1 (ja) | 2011-05-20 | 2012-11-29 | いすゞ自動車株式会社 | Pmセンサ |
WO2012165320A1 (ja) * | 2011-05-27 | 2012-12-06 | いすゞ自動車株式会社 | Dpf再生終了時期判定装置 |
CN105026708A (zh) * | 2013-01-28 | 2015-11-04 | 五十铃自动车株式会社 | 内燃机的排气净化装置 |
JP2016008861A (ja) * | 2014-06-23 | 2016-01-18 | いすゞ自動車株式会社 | センサ |
WO2016047530A1 (ja) * | 2014-09-26 | 2016-03-31 | いすゞ自動車株式会社 | 診断装置 |
CN108279334A (zh) * | 2017-12-29 | 2018-07-13 | 国网北京市电力公司 | 监测方法及装置、系统 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6379837B2 (ja) * | 2014-08-11 | 2018-08-29 | いすゞ自動車株式会社 | センサ |
JP6379838B2 (ja) | 2014-08-11 | 2018-08-29 | いすゞ自動車株式会社 | センサ |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62204316U (ja) * | 1986-06-16 | 1987-12-26 | ||
JPH03185804A (ja) * | 1989-12-15 | 1991-08-13 | Matsushita Electric Ind Co Ltd | 分圧コンデンサ |
JP2007262973A (ja) * | 2006-03-28 | 2007-10-11 | Ngk Insulators Ltd | 微粒子量検出システム |
-
2009
- 2009-06-30 JP JP2009155944A patent/JP5540585B2/ja not_active Expired - Fee Related
-
2010
- 2010-06-16 WO PCT/JP2010/060176 patent/WO2011001824A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62204316U (ja) * | 1986-06-16 | 1987-12-26 | ||
JPH03185804A (ja) * | 1989-12-15 | 1991-08-13 | Matsushita Electric Ind Co Ltd | 分圧コンデンサ |
JP2007262973A (ja) * | 2006-03-28 | 2007-10-11 | Ngk Insulators Ltd | 微粒子量検出システム |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012160949A1 (ja) | 2011-05-20 | 2012-11-29 | いすゞ自動車株式会社 | Pmセンサ |
US9377427B2 (en) | 2011-05-20 | 2016-06-28 | Isuzu Motors Limited | Particulate matter sensor |
WO2012165320A1 (ja) * | 2011-05-27 | 2012-12-06 | いすゞ自動車株式会社 | Dpf再生終了時期判定装置 |
JP2012246830A (ja) * | 2011-05-27 | 2012-12-13 | Isuzu Motors Ltd | Dpf再生終了時期判定装置 |
CN105026708A (zh) * | 2013-01-28 | 2015-11-04 | 五十铃自动车株式会社 | 内燃机的排气净化装置 |
JP2016008861A (ja) * | 2014-06-23 | 2016-01-18 | いすゞ自動車株式会社 | センサ |
WO2016047530A1 (ja) * | 2014-09-26 | 2016-03-31 | いすゞ自動車株式会社 | 診断装置 |
JP2016070077A (ja) * | 2014-09-26 | 2016-05-09 | いすゞ自動車株式会社 | 診断装置 |
CN108279334A (zh) * | 2017-12-29 | 2018-07-13 | 国网北京市电力公司 | 监测方法及装置、系统 |
Also Published As
Publication number | Publication date |
---|---|
JP5540585B2 (ja) | 2014-07-02 |
WO2011001824A1 (ja) | 2011-01-06 |
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