JP6243040B2 - 被酸化性ガスを検出するセンサ - Google Patents
被酸化性ガスを検出するセンサ Download PDFInfo
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- JP6243040B2 JP6243040B2 JP2016539490A JP2016539490A JP6243040B2 JP 6243040 B2 JP6243040 B2 JP 6243040B2 JP 2016539490 A JP2016539490 A JP 2016539490A JP 2016539490 A JP2016539490 A JP 2016539490A JP 6243040 B2 JP6243040 B2 JP 6243040B2
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- sensor
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- hot plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
- G01N25/28—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly
- G01N25/30—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using electric temperature-responsive elements
- G01N25/32—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using electric temperature-responsive elements using thermoelectric elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/004—Specially adapted to detect a particular component for CO, CO2
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0047—Specially adapted to detect a particular component for organic compounds
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/005—Specially adapted to detect a particular component for H2
Description
WO2010/022285A1からは熱量測定を行う装置が公知であり、この装置は、マイクロホットプレートを有し得る。
US2005/037499A1からは、試料ホルダと、この試料ホルダ上の試料の温度を変化させる温度変更装置と、試料における変化を検出する測定装置とを含む測定システムが公知である。この測定装置は、散乱光、反射光、放射光におけるまたは電気抵抗における複数の変化を測定することにより、例えば電圧、粘度または表面反射率などの、試料における複数の変化を検出する。
Claims (11)
- 被酸化性ガスを検出するセンサであって、
1つの触媒不活性面および1つの触媒活性面を有するセンサ素子と、
前記触媒不活性面と前記触媒活性面との間の温度差を求め、求めた当該温度差に基づいて前記センサの周囲のガス濃度を求める装置とを有し、
前記触媒活性面は、前記センサ素子の一つの面に設けられ、前記触媒不活性面は、反対側の面に設けられており、
前記触媒不活性面と前記触媒活性面とは熱電対を介して互いに接続されており、
前記センサには、前記温度差ひいては前記ガス濃度に対する尺度として、前記センサ素子の前記触媒活性面と前記触媒不活性面との間の熱起電圧を測定する装置が含まれている、被酸化性ガスを検出するセンサにおいて、
前記センサ素子(1)は、細いアーム(7)を用いて支持台(8)に支持されたホットプレート(11)を有しており、
当該ホットプレートの前面に前記触媒活性面(3)が形成され、かつ、当該ホットプレートの背面に前記触媒不活性面(4)が形成されている、又は、その逆であり、
前記熱電対は、前記ホットプレート(11)を通して延在しかつ前記触媒活性面(3)と前記触媒不活性面(4)とを互いに接続するスルーコンタクト(2,9)によって構成されており、当該スルーコンタクトの領域において前記熱起電圧が測定される、
ことを特徴とする、被酸化性ガスを検出するセンサ。 - 少なくとも1つの前記スルーコンタクト(2)には材料Aが含まれており、
当該スルーコンタクト(2)の2つの面は、材料Bを介し、温度勾配のない比較箇所に接触接続しており、
前記材料Bは、前記熱起電圧の測定のための端子までの導電性接続を形成する、
請求項1に記載のセンサ。 - 前記材料Bからなる2つの線路(6)において前記熱起電圧を捕らえる、
請求項2に記載のセンサ。 - 前記少なくとも1つのスルーコンタクト(2)の前記材料Aは、前記材料Bよりも、絶対値の大きいゼーベック係数を有する材料である、
請求項2または3に記載のセンサ。 - 前記比較箇所は、前記ホットプレート(11)のフレーム(8)に設けられている、
請求項2から4までのいずれか1項に記載のセンサ。 - 前記センサ素子(1)との2つの端子だけを有する、
請求項1から5までのいずれか1項に記載のセンサ。 - 前記センサ素子(1)の前記表面にわたり、複数の熱電対の直列回路を有する、
請求項1から6までのいずれか1項に記載のセンサ。 - 前記センサ素子(1)に相異なる材料からなり、かつ、直列接続された、複数のスルーコンタクト(2,9)を有する、
請求項7に記載のセンサ。 - 前記直列接続された複数のスルーコンタクト(2,9)は、交番に材料Aおよび材料Bからなり、前記材料Aおよび材料Bは互いに異なるゼーベック係数を有する、
請求項8に記載のセンサ。 - 前記センサ素子(1)の前記少なくとも1つのスルーコンタクト(2,9)は、セラミック導体として形成されている、
請求項1から9までのいずれか1項に記載のセンサ。 - 前記センサ素子(1)の前記少なくとも1つのスルーコンタクト(2,9)の縁部領域だけに導体が充填されている、
請求項1から10までのいずれか1項に記載のセンサ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013217465.9 | 2013-09-02 | ||
DE102013217465.9A DE102013217465A1 (de) | 2013-09-02 | 2013-09-02 | Sensor zur Detektion oxidierbarer Gase |
PCT/EP2014/068495 WO2015028660A1 (de) | 2013-09-02 | 2014-09-01 | Sensor zur detektion oxidierbarer gase |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016535274A JP2016535274A (ja) | 2016-11-10 |
JP6243040B2 true JP6243040B2 (ja) | 2017-12-06 |
Family
ID=51453755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016539490A Active JP6243040B2 (ja) | 2013-09-02 | 2014-09-01 | 被酸化性ガスを検出するセンサ |
Country Status (5)
Country | Link |
---|---|
US (1) | US9939397B2 (ja) |
EP (1) | EP3042186B1 (ja) |
JP (1) | JP6243040B2 (ja) |
DE (1) | DE102013217465A1 (ja) |
WO (1) | WO2015028660A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013217465A1 (de) | 2013-09-02 | 2015-03-05 | Continental Automotive Gmbh | Sensor zur Detektion oxidierbarer Gase |
DE102013220908B4 (de) * | 2013-10-15 | 2015-09-24 | Continental Automotive Gmbh | Sensorelement |
DE102016205060A1 (de) | 2016-03-24 | 2017-04-27 | Continental Automotive Gmbh | Verfahren zum Betreiben eines Sensors zur Detektion oxidierbarer Gase |
US10935514B2 (en) * | 2017-08-10 | 2021-03-02 | International Business Machines Corporation | Low power combustible gas sensing |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4063898A (en) * | 1976-09-20 | 1977-12-20 | Bailey Meter Company | Combustible gases detector |
AU518932B2 (en) * | 1979-07-06 | 1981-10-29 | Matsushita Electric Industrial Co., Ltd. | Combustible gas sensor |
JPS5618750A (en) * | 1979-07-25 | 1981-02-21 | Ricoh Co Ltd | Gas detector |
JPS56168149A (en) * | 1980-05-29 | 1981-12-24 | Toyota Motor Corp | Detecting method for content of carbon monoxide |
US4835108A (en) * | 1986-07-28 | 1989-05-30 | The Babcock & Wilcox Company | Method for measuring free oxygen in a combustible atmosphere |
DE3932880A1 (de) * | 1989-10-02 | 1991-04-11 | Fraunhofer Ges Forschung | Katalytischer gassensor und verfahren zum herstellen desselben |
US5356756A (en) * | 1992-10-26 | 1994-10-18 | The United States Of America As Represented By The Secretary Of Commerce | Application of microsubstrates for materials processing |
DE4317568C2 (de) * | 1993-05-26 | 1997-09-11 | Fraunhofer Ges Forschung | Wasserstoff-Sensor |
DE69418615T2 (de) * | 1993-10-08 | 1999-09-16 | Microchip Proprietary Ltd | Katalytischer gassensor |
US5451371A (en) * | 1994-06-09 | 1995-09-19 | Ford Motor Company | High-sensitivity, silicon-based, microcalorimetric gas sensor |
US5707148A (en) * | 1994-09-23 | 1998-01-13 | Ford Global Technologies, Inc. | Catalytic calorimetric gas sensor |
US6079873A (en) * | 1997-10-20 | 2000-06-27 | The United States Of America As Represented By The Secretary Of Commerce | Micron-scale differential scanning calorimeter on a chip |
JP3765951B2 (ja) | 1999-09-29 | 2006-04-12 | 矢崎総業株式会社 | 接触燃焼式ガスセンサ並びにガス検出方法及びその装置 |
JP2001099801A (ja) | 1999-09-29 | 2001-04-13 | Yazaki Corp | 接触燃焼式ガスセンサ |
US20050037499A1 (en) * | 2003-08-11 | 2005-02-17 | Symyx Technologies, Inc. | Apparatus and method for determining temperatures at which properties of materials change |
WO2005088285A1 (ja) * | 2004-03-17 | 2005-09-22 | National Institute Of Advanced Industrial Science And Technology | マイクロ熱電式ガスセンサ |
US7338640B2 (en) * | 2005-03-31 | 2008-03-04 | General Electric Company | Thermopile-based gas sensor |
US20100221148A1 (en) * | 2007-03-28 | 2010-09-02 | Horiba, Ltd. | Combustible gas sensor |
JP2008275588A (ja) | 2007-03-30 | 2008-11-13 | Horiba Ltd | 可燃性ガスセンサ |
US8931950B2 (en) * | 2008-08-20 | 2015-01-13 | The Board Of Trustees Of The University Of Illinois | Device for calorimetric measurement |
DE102013217465A1 (de) | 2013-09-02 | 2015-03-05 | Continental Automotive Gmbh | Sensor zur Detektion oxidierbarer Gase |
-
2013
- 2013-09-02 DE DE102013217465.9A patent/DE102013217465A1/de not_active Withdrawn
-
2014
- 2014-09-01 WO PCT/EP2014/068495 patent/WO2015028660A1/de active Application Filing
- 2014-09-01 US US14/915,951 patent/US9939397B2/en active Active
- 2014-09-01 JP JP2016539490A patent/JP6243040B2/ja active Active
- 2014-09-01 EP EP14758141.7A patent/EP3042186B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
US20160195483A1 (en) | 2016-07-07 |
DE102013217465A1 (de) | 2015-03-05 |
EP3042186B1 (de) | 2017-05-10 |
WO2015028660A1 (de) | 2015-03-05 |
JP2016535274A (ja) | 2016-11-10 |
EP3042186A1 (de) | 2016-07-13 |
US9939397B2 (en) | 2018-04-10 |
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