JP6425993B2 - 粒子状物質検出素子 - Google Patents
粒子状物質検出素子 Download PDFInfo
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- JP6425993B2 JP6425993B2 JP2014259592A JP2014259592A JP6425993B2 JP 6425993 B2 JP6425993 B2 JP 6425993B2 JP 2014259592 A JP2014259592 A JP 2014259592A JP 2014259592 A JP2014259592 A JP 2014259592A JP 6425993 B2 JP6425993 B2 JP 6425993B2
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- 238000001514 detection method Methods 0.000 title claims description 132
- 239000013618 particulate matter Substances 0.000 title claims description 108
- 230000008021 deposition Effects 0.000 claims description 17
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000010292 electrical insulation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims 2
- 230000035945 sensitivity Effects 0.000 description 13
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- 238000000746 purification Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- LTPBRCUWZOMYOC-UHFFFAOYSA-N Beryllium oxide Chemical compound O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust 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
- 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
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
- G01M15/102—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases
-
- 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
-
- 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
-
- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/12—Other sensor principles, e.g. using electro conductivity of substrate or radio frequency
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Dispersion Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Description
上記検出電極と上記絶縁部材との積層方向において、隣り合う上記検出電極は、互いに異なる極性を有し、
上記積層方向に直交する方向において、上記複数の検出電極の少なくとも一部を上記絶縁部材から露出させ、上記粒子状物質の一部を堆積させる被堆積部を有しており、
該被堆積部において、上記主な粒子状物質の極性とは異なる第一極性を有する上記検出電極の上記積層方向における幅は、上記第一極性とは異なる第二極性を有する上記検出電極の上記積層方向における幅よりも大きいことを特徴とする粒子状物質検出素子にある。
上記粒子状物質検出素子にかかる実施例について、図1〜図3を用いて説明する。
上記粒子状物質検出素子1は、図1に示すごとく、内燃機関から排出される排ガスに含まれる粒子状物質を検出するための複数の検出電極2と、電気絶縁性を備えた材料からなる複数の絶縁部材3とを積層した積層部4を有する。検出電極2と絶縁部材3との積層方向Xにおいて、隣り合う検出電極2は、互いに異なる極性を有する。粒子状物質検出素子1は、積層方向Xに直交する方向において、複数の検出電極2の少なくとも一部を絶縁部材3から露出させ、粒子状物質の一部を堆積させる被堆積部5を有している。図2に示すごとく、被堆積部5において、一方の極性を有する検出電極2の積層方向Xにおける幅W1は、他方の極性を有する検出電極2の積層方向Xにおける幅W2よりも大きい。
上記粒子状物質検出素子1は、被堆積部5において、一方の極性を有する検出電極2の積層方向Xにおける幅W1が、他方の極性を有する検出電極2の積層方向Xにおける幅W2よりも大きい。それゆえ、粒子状物質検出素子1の厚みの増加を抑制しつつ、粒子状物質の残渣によって検出電極2が埋没してしまうことを抑制することができる。
本試験においては、粒子状物質検出素子1の正極21の幅W2に対する負極22の幅W1の比率W1/W2を変化させた際の検出感度への影響を確認した。
2 検出電極
3 絶縁部材
4 積層部
5 被堆積部
W1 検出電極(負極)の幅
W2 検出電極(正極)の幅
X 積層方向
Claims (2)
- 内燃機関から排出される排ガスに含まれる主な粒子状物質が正又は負に帯電している排気系に取り付けられ、上記粒子状物質を検出するための複数の検出電極(2)と、電気絶縁性を備えた材料からなる複数の絶縁部材(3)とを積層した積層部(4)を有する粒子状物質検出素子(1)において、
上記検出電極(2)と上記絶縁部材(3)との積層方向(X)において、隣り合う上記検出電極(2)は、互いに異なる極性を有し、
上記積層方向(X)に直交する方向において、上記複数の検出電極(2)の少なくとも一部を上記絶縁部材(3)から露出させ、上記粒子状物質の一部を堆積させる被堆積部(5)を有しており、
該被堆積部(5)において、上記主な粒子状物質の極性とは異なる第一極性を有する上記検出電極(2)の上記積層方向(X)における幅(W1)は、上記第一極性とは異なる第二極性を有する上記検出電極(2)の上記積層方向(X)における幅(W2)よりも大きいことを特徴とする粒子状物質検出素子(1)。 - 上記被堆積部(5)において、上記第一極性を有する上記検出電極(2)の上記積層方向(X)における幅(W1)は、上記第二極性を有する上記検出電極(2)の上記積層方向(X)における幅(W2)の1.5倍以上であることを特徴とする請求項1に記載の粒子状物質検出素子(1)。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014259592A JP6425993B2 (ja) | 2014-12-23 | 2014-12-23 | 粒子状物質検出素子 |
PCT/JP2015/085679 WO2016104428A1 (ja) | 2014-12-23 | 2015-12-21 | 粒子状物質検出素子 |
DE112015005740.4T DE112015005740B8 (de) | 2014-12-23 | 2015-12-21 | Feinstaub-Erfassungselement |
US15/538,796 US10352226B2 (en) | 2014-12-23 | 2015-12-21 | Particulate matter detection element |
CN201580070607.XA CN107110806B (zh) | 2014-12-23 | 2015-12-21 | 颗粒状物质检测元件 |
Applications Claiming Priority (1)
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JP2014259592A JP6425993B2 (ja) | 2014-12-23 | 2014-12-23 | 粒子状物質検出素子 |
Publications (2)
Publication Number | Publication Date |
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JP2016118510A JP2016118510A (ja) | 2016-06-30 |
JP6425993B2 true JP6425993B2 (ja) | 2018-11-21 |
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Country Status (5)
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US (1) | US10352226B2 (ja) |
JP (1) | JP6425993B2 (ja) |
CN (1) | CN107110806B (ja) |
DE (1) | DE112015005740B8 (ja) |
WO (1) | WO2016104428A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6441161B2 (ja) * | 2015-04-28 | 2018-12-19 | 株式会社デンソー | 粒子状物質検出センサ |
CN106442243B (zh) * | 2016-09-27 | 2019-03-05 | 东南大学 | 一种用于检测粉尘浓度的装置及方法 |
WO2019039549A1 (ja) * | 2017-08-25 | 2019-02-28 | 京セラ株式会社 | センサ基板およびそれを備えるセンサ装置 |
JP6964038B2 (ja) * | 2018-04-12 | 2021-11-10 | 株式会社Soken | 粒子状物質検出装置 |
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JP3318382B2 (ja) * | 1993-02-18 | 2002-08-26 | 能美防災株式会社 | 環境センサ |
JP4050593B2 (ja) * | 2002-11-01 | 2008-02-20 | 日本特殊陶業株式会社 | ガスセンサ素子及びこれを用いたガスセンサ |
FR2917497B1 (fr) * | 2007-06-13 | 2010-05-14 | Centre Nat Rech Scient | Procede de mesure d'une epaisseur seuil de couche de materiau purement resistif, dispositif de mise en oeuvre, et utilisation d'un tel dispositif dans un pot d'echappement |
DE102008041808A1 (de) * | 2008-09-04 | 2010-03-11 | Robert Bosch Gmbh | Partikelsensor und ein Verfahren zu dessen Herstellung |
JP4758488B2 (ja) * | 2009-02-16 | 2011-08-31 | 本田技研工業株式会社 | 粒子状物質検出装置 |
JP5500028B2 (ja) * | 2010-09-30 | 2014-05-21 | 株式会社デンソー | 粒子状物質検出センサの製造方法 |
JP5201194B2 (ja) * | 2010-10-28 | 2013-06-05 | 株式会社デンソー | 粒子状物質検出装置及び粒子状物質検出素子の製造方法 |
EP2687687B8 (en) * | 2011-03-16 | 2017-09-13 | Toyota Jidosha Kabushiki Kaisha | Particulate matter processing apparatus |
JP5418611B2 (ja) * | 2011-04-21 | 2014-02-19 | 株式会社デンソー | 粒子状物質検出装置の補正方法 |
EP2752658B1 (en) * | 2011-08-29 | 2016-09-28 | Toyota Jidosha Kabushiki Kaisha | Microparticle sensor and method for manufacturing microparticle sensor |
KR101500373B1 (ko) * | 2013-07-18 | 2015-03-09 | 현대자동차 주식회사 | 입자상 물질 센서유닛 |
JP6329820B2 (ja) * | 2014-06-16 | 2018-05-23 | 株式会社Soken | 粒子状物質検出センサ |
US9671380B2 (en) * | 2014-10-02 | 2017-06-06 | Delphi Technologies, Inc. | Method for diagnosing particulate matter sensor deterioration |
JP6547274B2 (ja) * | 2014-10-20 | 2019-07-24 | 株式会社デンソー | 粒子状物質検出センサ |
JP2016090439A (ja) * | 2014-11-06 | 2016-05-23 | 株式会社日本自動車部品総合研究所 | 粒子状物質検出素子及び粒子状物質検出センサ |
JP6441161B2 (ja) * | 2015-04-28 | 2018-12-19 | 株式会社デンソー | 粒子状物質検出センサ |
JP6536507B2 (ja) * | 2015-09-15 | 2019-07-03 | 株式会社デンソー | 粒子状物質検出センサ |
JP6977366B2 (ja) * | 2017-07-27 | 2021-12-08 | 株式会社デンソー | 粒子状物質検出センサ |
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2014
- 2014-12-23 JP JP2014259592A patent/JP6425993B2/ja active Active
-
2015
- 2015-12-21 WO PCT/JP2015/085679 patent/WO2016104428A1/ja active Application Filing
- 2015-12-21 US US15/538,796 patent/US10352226B2/en active Active
- 2015-12-21 DE DE112015005740.4T patent/DE112015005740B8/de not_active Expired - Fee Related
- 2015-12-21 CN CN201580070607.XA patent/CN107110806B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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US10352226B2 (en) | 2019-07-16 |
US20170350300A1 (en) | 2017-12-07 |
JP2016118510A (ja) | 2016-06-30 |
CN107110806A (zh) | 2017-08-29 |
CN107110806B (zh) | 2019-10-01 |
DE112015005740B4 (de) | 2021-04-01 |
DE112015005740T5 (de) | 2017-10-05 |
WO2016104428A1 (ja) | 2016-06-30 |
DE112015005740B8 (de) | 2021-05-27 |
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