JP6500507B2 - センサ - Google Patents
センサ Download PDFInfo
- Publication number
- JP6500507B2 JP6500507B2 JP2015043622A JP2015043622A JP6500507B2 JP 6500507 B2 JP6500507 B2 JP 6500507B2 JP 2015043622 A JP2015043622 A JP 2015043622A JP 2015043622 A JP2015043622 A JP 2015043622A JP 6500507 B2 JP6500507 B2 JP 6500507B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- sensor
- impedance
- resistance
- 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.)
- Expired - Fee Related
Links
- 230000008021 deposition Effects 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 14
- 238000011144 upstream manufacturing Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 239000013618 particulate matter Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 11
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052878 cordierite Inorganic materials 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating 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
-
- 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
-
- 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
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Dispersion Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Exhaust Gas After Treatment (AREA)
Description
10 エンジン(内燃機関)
12 排気通路
16 DPF(フィルタ部材)
21 静電容量演算部
22 PM堆積量推定部
23 抵抗補正部
24 インピーダンス補正部
100 センサ
101 推定手段
102 温度検出手段
A,B 電極
Claims (4)
- 内燃機関の排気通路に配置されて排気中の粒子状物質を捕集するセルを含むフィルタ部材に、前記セルを挟んで対向配置されてコンデンサを形成する少なくとも一対の電極を設けたセンサ部と、前記電極間の抵抗とインピーダンスとを基に静電容量を求め、求めた静電容量に基づいて前記フィルタ部材に捕集される粒子状物質の堆積量を推定する推定手段と、を備えた静電容量式のセンサからなり、
前記センサ部の温度を検出する温度検出手段を備え、
前記推定手段は、前記温度検出手段で検出した前記センサ部の温度に応じて前記電極間の抵抗とインピーダンスとをそれぞれ補正し、補正後の前記電極間の抵抗とインピーダンスから静電容量を求め、求めた静電容量を、前記温度検出手段で検出した前記センサ部の温度により補正し、この補正後の静電容量を基に、粒子状物質の堆積量を推定するように構成される
ことを特徴とするセンサ。 - 前記推定手段は、
前記センサ部の温度と、予め作成した前記センサ部の温度と抵抗用補正係数との関係とを基に抵抗用補正係数を求め、求めた抵抗用補正係数を前記電極間の抵抗の測定値に掛け合わせ補正を行う抵抗補正部と、
前記センサ部の温度と、予め作成した前記センサ部の温度とインピーダンス用補正係数との関係とを基にインピーダンス用補正係数を求め、求めたインピーダンス用補正係数を前記電極間のインピーダンスの測定値に掛け合わせ補正を行うインピーダンス補正部と、を備える
請求項1記載のセンサ。 - 前記フィルタ部材は、多孔質性の隔壁で区画された格子状の排気流路を形成する複数の前記セルの上流側と下流側とを交互に目封止されたディーゼルパティキュレートフィルタからなり、
前記一対の電極は、少なくとも一つの前記セルを測定用セルとし、当該測定用セルに隔壁を介して隣接する四つのセルのうち、対向する一対のセルに非目封止側からそれぞれ挿入される
請求項1または2記載のセンサ。 - 前記温度検出手段は、前記ディーゼルパティキュレートフィルタの近傍に設けられた温度センサと、前記温度センサの検出値を基に、前記センサ部の温度を推定する温度推定部と、を備える
請求項3記載のセンサ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015043622A JP6500507B2 (ja) | 2015-03-05 | 2015-03-05 | センサ |
PCT/JP2016/056226 WO2016140215A1 (ja) | 2015-03-05 | 2016-03-01 | センサ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015043622A JP6500507B2 (ja) | 2015-03-05 | 2015-03-05 | センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016161542A JP2016161542A (ja) | 2016-09-05 |
JP6500507B2 true JP6500507B2 (ja) | 2019-04-17 |
Family
ID=56846909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015043622A Expired - Fee Related JP6500507B2 (ja) | 2015-03-05 | 2015-03-05 | センサ |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6500507B2 (ja) |
WO (1) | WO2016140215A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180073973A1 (en) * | 2016-09-12 | 2018-03-15 | Hyundai Motor Company | Particulate matters sensor device and manufacturing method of sensor unit provided in this |
JP2020063927A (ja) * | 2018-10-15 | 2020-04-23 | 京セラ株式会社 | 粒子状物質検出システム、粒子状物質検出システムの制御方法およびプログラム |
JP2020063681A (ja) * | 2018-10-15 | 2020-04-23 | 京セラ株式会社 | 粒子状物質検出システム、粒子状物質検出システムの制御方法およびプログラム |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2919091B2 (ja) * | 1991-01-09 | 1999-07-12 | 株式会社東芝 | 塗膜劣化診断装置 |
JP2572783Y2 (ja) * | 1992-02-13 | 1998-05-25 | フィガロ技研株式会社 | ガス検出装置 |
JP3330667B2 (ja) * | 1993-04-13 | 2002-09-30 | マツダ株式会社 | 車両用空調装置 |
JP5094702B2 (ja) * | 2008-12-24 | 2012-12-12 | 本田技研工業株式会社 | 粒子状物質検出装置 |
JP5408069B2 (ja) * | 2010-08-06 | 2014-02-05 | 株式会社デンソー | センサ制御装置及びこれを備える排気処理システム |
JP2012083210A (ja) * | 2010-10-12 | 2012-04-26 | Denso Corp | 粒子状物質検出センサ |
JP5171987B2 (ja) * | 2011-04-28 | 2013-03-27 | 北斗電子工業株式会社 | 着霜状態検出装置 |
JP2014035330A (ja) * | 2012-08-10 | 2014-02-24 | Fisheries Research Agency | 魚の品質状態判定装置 |
JP6028615B2 (ja) * | 2013-02-20 | 2016-11-16 | いすゞ自動車株式会社 | 粒子状物質の測定装置 |
-
2015
- 2015-03-05 JP JP2015043622A patent/JP6500507B2/ja not_active Expired - Fee Related
-
2016
- 2016-03-01 WO PCT/JP2016/056226 patent/WO2016140215A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2016140215A1 (ja) | 2016-09-09 |
JP2016161542A (ja) | 2016-09-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3225800B1 (en) | Diagnostic device and sensor | |
JP6201577B2 (ja) | 診断装置 | |
JP6028615B2 (ja) | 粒子状物質の測定装置 | |
JP6089763B2 (ja) | 粒子状物質の測定装置 | |
CN107076692B (zh) | 传感器 | |
JP6136298B2 (ja) | 内燃機関の排気浄化装置 | |
JP6500507B2 (ja) | センサ | |
JP2016070678A (ja) | 診断装置 | |
JP6036388B2 (ja) | 粒子状物質の測定装置 | |
WO2016024591A1 (ja) | センサ | |
WO2015053323A1 (ja) | 排気浄化システム | |
JP6032053B2 (ja) | 排気系の状態検出装置及び制御装置 | |
US10481061B2 (en) | Sensor for detecting an emission amount of particulate matter | |
JP6056537B2 (ja) | 粒子状物質の測定装置及びフィルタの製造方法 | |
JP6405938B2 (ja) | 診断装置及びセンサ | |
JP6500506B2 (ja) | センサ | |
JP6201578B2 (ja) | 診断装置 | |
CN106795793B (zh) | 传感器 | |
JP6505578B2 (ja) | フィルタの故障検出装置、粒子状物質検出装置 | |
JP2015075006A (ja) | 排気浄化システム | |
JP6451179B2 (ja) | 診断装置 | |
JP2015055167A (ja) | 排気浄化装置 | |
JP6417780B2 (ja) | センサ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180226 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20181002 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20181031 Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20181031 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190219 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190304 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6500507 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |