JP2005510710A - ガス流における粒子状物質検出のためのセンサ - Google Patents
ガス流における粒子状物質検出のためのセンサ Download PDFInfo
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- JP2005510710A JP2005510710A JP2003547924A JP2003547924A JP2005510710A JP 2005510710 A JP2005510710 A JP 2005510710A JP 2003547924 A JP2003547924 A JP 2003547924A JP 2003547924 A JP2003547924 A JP 2003547924A JP 2005510710 A JP2005510710 A JP 2005510710A
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- 239000013618 particulate matter Substances 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 title description 6
- 239000007789 gas Substances 0.000 claims abstract description 44
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 41
- 239000001301 oxygen Substances 0.000 claims abstract description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 22
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- 238000009792 diffusion process Methods 0.000 claims description 88
- 230000004888 barrier function Effects 0.000 claims description 60
- 239000010410 layer Substances 0.000 claims description 38
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000011241 protective layer Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 229910002076 stabilized zirconia Inorganic materials 0.000 claims description 7
- 238000000691 measurement method Methods 0.000 claims description 4
- 238000007650 screen-printing Methods 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 239000010419 fine particle Substances 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 description 6
- 238000005086 pumping Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- -1 and as a result Substances 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- 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
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2252—Sampling from a flowing stream of gas in a vehicle exhaust
-
- 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4071—Cells and probes with solid electrolytes for investigating or analysing gases using sensor elements of laminated structure
- G01N27/4072—Cells and probes with solid electrolytes for investigating or analysing gases using sensor elements of laminated structure characterized by the diffusion barrier
-
- 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
- F01N2560/20—Sensor having heating means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N2001/222—Other features
- G01N2001/2223—Other features aerosol sampling devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N2001/2282—Devices for withdrawing samples in the gaseous state with cooling means
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Description
絶縁材料からなる請求項1の上位概念に記載されたガス流中の粒子状物質、特に排気ガス流中のカーボン微粒子を検出するためのセンサにおいて、基板が固体電解質を含み、該固体電解質内に少なくとも2つの酸素ポンプセルが構成されており、それらにそれぞれ1つの電極対が対応付けられていることによって、高温にも耐えられる耐性を備えた準連続的な測定手法が得られる。しかもこの技術は僅かな測定技術的コストをかけるだけで長期に亘って安定して用いることができる。
図面には、本発明によるセンサの3つの実施例が示されており、それらは以下の明細書で詳細に説明する。この場合、
図1は、本発明によるカーボンセンサの破断図であり、
図2は、前記カーボンセンサの代替実施例であり、
図3は、さらなる第3の実施例である。
Claims (18)
- ガス流中の粒子状物質、特に排気ガス流中のカーボン微粒子を検出するためのセンサであって、
複数の測定電極(9a,9b,10a,10b;35,36,37)を有しており、
前記電極は、絶縁性の材料からなる基板(8;34)上に配設されている形式のセンサにおいて、
前記基板が固体電解質(8;34)を含んでおり、該固体電解質中に少なくとも2つの酸素ポンプセルが構成されており、該酸素ポンプセルにそれぞれ1つの電極対が対応付けられていることを特徴とするセンサ。 - 前記酸素ポンプセルの少なくとも1つに拡散障壁(19,20;40;41)が前置接続されており、それによって電位差測定方式による作動モードのもとで、測定信号の時間差が生じ、電流測定方式による作動モードのもとでは、電流密度の差分が生じる、請求項1記載のセンサ。
- 2つの酸素ポンプセルに拡散障壁(19,20,38,39)が前置接続されており、該拡散障壁(19,20,38,39)は、異なる多孔度の構造部から形成されている、請求項2記載のセンサ。
- 拡散障壁(19;40,41)が電極(9A,10A;35,36)に対する保護層として構成されている、請求項2または3記載のセンサ。
- 拡散障壁(40,41)及び酸素ポンプセルが熱的に分離されている、請求項2から4いずれか1項記載のセンサ。
- 少なくとも1つのチャネル(7;32,33)が設けられてる、請求項1から5いずれか1項記載のセンサ。
- 前記チャネルは基準チャネル(7)である、請求項6記載のセンサ。
- 前記チャネルは、拡散チャネル(32;33)である、請求項6記載のセンサ。
- 2つの拡散チャネル(32;33)が設けられており、該拡散チャネルはそれぞれ拡散障壁(40;41)を伴って構成されている、請求項8記載のセンサ。
- 前記拡散チャネル(32,33)にそれぞれ1つの孔部(38,39)が対応付けられており、該孔部は基板(34)に形成されている、請求項9記載のセンサ。
- 少なくとも1つの加熱素子(3;42)が設けられている、請求項1から10いずれか1項記載のセンサ。
- 加熱素子(42)が拡散障壁(40;41)の領域内に配設されている、請求項11記載のセンサ。
- 2つの酸素ポンプセルのうちの一方に前置接続されている拡散障壁(40)は、2つの酸素ポンプセルのうちの他方に前置接続されている拡散障壁(41)から熱的に分離されている、請求項2から12いずれか1項記載のセンサ。
- 一方の拡散障壁(40)は、酸素ポンプセルの近傍に配設されている、請求項13記載のセンサ。
- ガス流中に存在する粒子状物質に対する捕獲構造を有している、請求項1から14いずれか1項記載のセンサ。
- 固体電解質(8;34)が、イットリウム−安定化ジルコニアから形成されている、請求項1から15いずれか1項記載のセンサ。
- 支持層(2)が設けられており、該支持層は有利にはイットリウム−安定化ジルコニアから形成され、酸化アルミニウム性の絶縁層を備えている、請求項1から16いずれか1項記載のセンサ。
- 少なくとも部分的にスクリーン印刷技法によって製造されている、請求項1から17いずれか1項記載のセンサ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2001156946 DE10156946A1 (de) | 2001-11-20 | 2001-11-20 | Sensor zur Detektion von Teilchen in einem Gsstrom |
PCT/DE2002/003946 WO2003046534A2 (de) | 2001-11-20 | 2002-10-18 | Sensor zur detektion von teilchen in einem gasstrom |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005510710A true JP2005510710A (ja) | 2005-04-21 |
JP4436679B2 JP4436679B2 (ja) | 2010-03-24 |
Family
ID=7706359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003547924A Expired - Fee Related JP4436679B2 (ja) | 2001-11-20 | 2002-10-18 | ガス流における粒子状物質検出のためのセンサ |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1448982B1 (ja) |
JP (1) | JP4436679B2 (ja) |
DE (2) | DE10156946A1 (ja) |
WO (1) | WO2003046534A2 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009019557A (ja) * | 2007-07-11 | 2009-01-29 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP2010078428A (ja) * | 2008-09-25 | 2010-04-08 | Ngk Insulators Ltd | 粒子状物質検出装置及びその製造方法 |
US20130008231A1 (en) * | 2010-01-29 | 2013-01-10 | Toyota Jidosha Kabushiki Kaisha | Particulate matter detecting apparatus |
JP2013122439A (ja) * | 2011-12-09 | 2013-06-20 | Hyundai Motor Co Ltd | 粒子状物質センサーユニットおよびその製造方法 |
JP2013174448A (ja) * | 2012-02-23 | 2013-09-05 | Nippon Soken Inc | 煤検出装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10319664A1 (de) * | 2003-05-02 | 2004-11-18 | Robert Bosch Gmbh | Sensor zur Detektion von Teilchen |
DE102004007038A1 (de) * | 2004-02-12 | 2005-09-01 | Daimlerchrysler Ag | Vorrichtung zur Feststellung des Zustands eines Rußpartikelfilters |
DE102004043121A1 (de) * | 2004-09-07 | 2006-03-09 | Robert Bosch Gmbh | Sensorelement für Partikelsensoren und Verfahren zum Betrieb desselben |
EP1844315B1 (de) * | 2005-01-21 | 2011-10-05 | Robert Bosch GmbH | Messanordnung und verfahren zur bestimmung der konzentration von partikeln in gasgemischen |
DE102008040993A1 (de) * | 2008-08-05 | 2010-02-11 | Robert Bosch Gmbh | Sensorelement eines Gassensors und Verwendung desselben |
JP4950151B2 (ja) * | 2008-08-29 | 2012-06-13 | 株式会社日本自動車部品総合研究所 | 炭素量検出センサ |
DE102009046457A1 (de) | 2009-11-06 | 2011-05-12 | Robert Bosch Gmbh | Partikelsensor |
CN105823813B (zh) * | 2015-12-21 | 2020-06-12 | 杭州纳瑙新材料科技有限公司 | 一种测量氧浓度的传感器 |
CN115371980B (zh) * | 2022-10-24 | 2022-12-30 | 四川新川航空仪器有限责任公司 | 具有姿态模拟功能的三相涡流分离器性能评估试验设备 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3304548A1 (de) * | 1983-02-10 | 1984-08-16 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und vorrichtung zur messung des gehalts an leitfaehigen partikeln in gasen |
JPS59202043A (ja) * | 1983-04-30 | 1984-11-15 | Horiba Ltd | デイ−ゼル排気ガス中の煤粒子測定装置 |
JPH0672861B2 (ja) * | 1986-08-04 | 1994-09-14 | 日本碍子株式会社 | NOxセンサ |
JP3104291B2 (ja) * | 1991-06-04 | 2000-10-30 | 三菱自動車工業株式会社 | Nox センサ |
US6290840B1 (en) * | 1997-03-04 | 2001-09-18 | Ngk Insulators, Ltd. | Gas sensor and method for controlling gas sensor |
JP3540177B2 (ja) * | 1998-12-04 | 2004-07-07 | 日本特殊陶業株式会社 | ガスセンサ及びそれを用いた可燃性ガス成分濃度測定装置 |
DE19959871A1 (de) * | 1999-12-10 | 2001-06-28 | Heraeus Electro Nite Int | Sensor und Verfahren zur Ermittlung von Ruß-Konzentrationen |
-
2001
- 2001-11-20 DE DE2001156946 patent/DE10156946A1/de not_active Ceased
-
2002
- 2002-10-18 EP EP02776843A patent/EP1448982B1/de not_active Expired - Lifetime
- 2002-10-18 DE DE50213114T patent/DE50213114D1/de not_active Expired - Lifetime
- 2002-10-18 WO PCT/DE2002/003946 patent/WO2003046534A2/de active Application Filing
- 2002-10-18 JP JP2003547924A patent/JP4436679B2/ja not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009019557A (ja) * | 2007-07-11 | 2009-01-29 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
JP2010078428A (ja) * | 2008-09-25 | 2010-04-08 | Ngk Insulators Ltd | 粒子状物質検出装置及びその製造方法 |
US20130008231A1 (en) * | 2010-01-29 | 2013-01-10 | Toyota Jidosha Kabushiki Kaisha | Particulate matter detecting apparatus |
CN103380363A (zh) * | 2010-01-29 | 2013-10-30 | 丰田自动车株式会社 | 颗粒物检测传感器和颗粒物检测设备 |
US9074975B2 (en) * | 2010-01-29 | 2015-07-07 | Toyota Jidosha Kabushiki Kaisha | Particulate matter detecting apparatus |
JP2013122439A (ja) * | 2011-12-09 | 2013-06-20 | Hyundai Motor Co Ltd | 粒子状物質センサーユニットおよびその製造方法 |
US9759675B2 (en) | 2011-12-09 | 2017-09-12 | Hyundai Motor Company | Particulate matter sensor unit |
JP2013174448A (ja) * | 2012-02-23 | 2013-09-05 | Nippon Soken Inc | 煤検出装置 |
Also Published As
Publication number | Publication date |
---|---|
DE10156946A1 (de) | 2003-05-28 |
WO2003046534A2 (de) | 2003-06-05 |
EP1448982A2 (de) | 2004-08-25 |
WO2003046534A3 (de) | 2003-10-30 |
JP4436679B2 (ja) | 2010-03-24 |
EP1448982B1 (de) | 2008-12-10 |
DE50213114D1 (de) | 2009-01-22 |
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