JP7361430B2 - 連結通路が形成されたハウジングを含むガス検知装置 - Google Patents
連結通路が形成されたハウジングを含むガス検知装置 Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims description 93
- 239000007789 gas Substances 0.000 claims description 154
- 229910052739 hydrogen Inorganic materials 0.000 claims description 32
- 239000001257 hydrogen Substances 0.000 claims description 32
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000007784 solid electrolyte Substances 0.000 claims description 13
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 2
- 239000007788 liquid Substances 0.000 description 60
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 24
- 239000001301 oxygen Substances 0.000 description 24
- 229910052760 oxygen Inorganic materials 0.000 description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 20
- 239000010416 ion conductor Substances 0.000 description 15
- 150000002431 hydrogen Chemical class 0.000 description 13
- 238000005259 measurement Methods 0.000 description 11
- 239000012925 reference material Substances 0.000 description 10
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
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- -1 as they deteriorate Substances 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
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- 239000003566 sealing material Substances 0.000 description 3
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
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- 229910052805 deuterium Inorganic materials 0.000 description 2
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- 101150058765 BACE1 gene Proteins 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
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- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
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- 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—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/005—H2
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N27/403—Cells and electrode assemblies
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- 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
- G01N27/4073—Composition or fabrication of the solid electrolyte
- G01N27/4074—Composition or fabrication of the solid electrolyte for detection of gases other than oxygen
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- 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
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- G—PHYSICS
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- 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
- G01N33/0011—Sample conditioning
- G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure or temperature
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- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Specific substances contained in the oils or fuels
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- 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
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
- G01N2001/2229—Headspace sampling, i.e. vapour over liquid
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- Biomedical Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Description
Claims (10)
- 検知対象ガスが内部空間に引き込まれる開放部を含むハウジング、
前記ハウジングの内部空間に配置されるセンサー部、及び
前記ハウジングの内部空間に向かって開放されるようにハウジングに形成された第1開口と第2開口とを連結する連結通路を含み、
前記ハウジングの内部空間は、
前記センサー部と前記開放部との間の第1内部空間と、前記第1内部空間を除いた内部空間である第2内部空間と、を含んで構成され、
前記第1開口は第1内部空間に向かって開放され、前記第2開口は第2内部空間に向かって開放され、
前記ハウジングは、長手方向の一端部に前記開放部が形成された中空のチューブ状であり、
前記センサー部は、前記ハウジングの内径よりも小さい外径を有するフレームの長手方向の一端部に固定された状態で前記ハウジングの内部空間に配置され、
前記フレームの長手方向の他端部は、前記ハウジングにガス密封されるように固定されることを特徴とする、
ガス検知装置。 - 前記ハウジングの内壁と前記フレームとの間の空間が前記第2内部空間を形成し、
前記第1内部空間、第1開口、連結通路、第2開口、第2内部空間を循環する循環経路が形成されることを特徴とする、請求項1に記載のガス検知装置。 - 検知対象ガスが内部空間に引き込まれる開放部を含むハウジング、
前記ハウジングの内部空間に配置されるセンサー部、及び
前記ハウジングの内部空間に向かって開放されるようにハウジングに形成された第1開口と第2開口とを連結する連結通路を含み、
前記ハウジングの内部空間は、
前記センサー部と前記開放部との間の第1内部空間と、前記第1内部空間を除いた内部空間である第2内部空間と、を含んで構成され、
前記第1開口は第1内部空間に向かって開放され、前記第2開口は第2内部空間に向かって開放され、
前記ハウジングは、長手方向の一端部に前記開放部が形成された中空のチューブ状であり、
前記ハウジングの長手方向の他端部は、カバー部によって塞がれており、
前記センサー部は、前記ハウジングの内壁に結合された状態で前記ハウジングの内部空間に配置されることを特徴とする、
ガス検知装置。 - 前記ハウジングの内壁と前記センサー部との間にはギャップが存在し、
前記第1内部空間、第1開口、連結通路、第2開口、第2内部空間を循環する循環経路が形成されることを特徴とする、請求項3に記載のガス検知装置。 - 前記センサー部をセンシング温度に加熱するためのヒーター部をさらに含むことを特徴とする、請求項1または請求項3に記載のガス検知装置。
- 前記ハウジングの内部空間は、前記開放部を介してのみ外気と連通することを特徴とする、請求項1または請求項3に記載のガス検知装置。
- 前記センサー部が水素センサー素子を含むことを特徴とする、請求項1または請求項3に記載のガス検知装置。
- 前記水素センサー素子は、
固体電解質、
前記固体電解質の前記開放部方向の一面に形成された検知電極、及び
前記固体電解質の他面に形成される基準電極を含み、
前記第1開口は、前記検知電極と前記開放部との間に位置することを特徴とする、請求項7に記載のガス検知装置。 - 前記センサー部は、
固体電解質、
前記固体電解質の前記開放部方向の一面に形成された検知電極、及び
前記固体電解質の他面に形成される基準電極を含み、
前記フレームは、中空のチューブ状に形成され、
前記フレームの内部は、前記ハウジングの内部空間から隔離された状態で外気に晒され、
前記基準電極は、前記フレームの内部を介して外気に晒されることを特徴とする、請求項1に記載のガス検知装置。 - 縁部の一部の面積が所定の結合部を介して前記ハウジングの内壁に結合され、
前記結合部が形成されていない部分では、前記センサー部と前記ハウジングの内壁との間にギャップが形成されることにより、前記ギャップを介して第1内部空間と第2内部空間とが連通することを特徴とする、請求項3に記載のガス検知装置。
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PCT/KR2021/003369 WO2021230484A1 (ko) | 2020-05-12 | 2021-03-18 | 연결 통로가 형성된 하우징을 포함하는 가스 감지 장치 |
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KR (1) | KR20220128421A (ja) |
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Citations (4)
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CN203299045U (zh) | 2013-04-27 | 2013-11-20 | 深圳职业技术学院 | 柴油汽车尾气检测装置 |
JP2015064341A (ja) | 2013-08-30 | 2015-04-09 | 株式会社デンソー | ガス濃度検出装置 |
JP2017058358A (ja) | 2015-09-17 | 2017-03-23 | 株式会社デンソー | ガスセンサ |
JP2017067538A (ja) | 2015-09-29 | 2017-04-06 | Toto株式会社 | 生体情報測定システム |
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JPH0348518Y2 (ja) * | 1985-11-08 | 1991-10-16 | ||
JP4251970B2 (ja) * | 2003-01-31 | 2009-04-08 | 日本特殊陶業株式会社 | ガスセンサ |
JP5416686B2 (ja) * | 2010-12-13 | 2014-02-12 | 日本特殊陶業株式会社 | マルチガスセンサ |
KR101464729B1 (ko) * | 2012-10-29 | 2014-11-27 | 한국과학기술원 | 용탕 내 가스 측정용 가스센서 패키지 |
KR20160011722A (ko) | 2014-07-22 | 2016-02-02 | 한국과학기술원 | 액체 내 용존 수소가스 농도 측정용 수소센서소자 및 이를 이용한 수소가스 농도 측정방법 |
KR101581941B1 (ko) * | 2014-01-17 | 2016-01-04 | 한국과학기술원 | 액체 내 용존 수소가스 농도 측정용 수소센서소자 |
WO2015037910A1 (ko) * | 2013-09-12 | 2015-03-19 | 한국과학기술원 | 액체 내 용존 수소가스 농도 측정용 수소센서소자 및 이를 이용한 수소가스 농도 측정방법 |
KR101512189B1 (ko) | 2013-09-12 | 2015-04-13 | 한국과학기술원 | 오일 내 수소가스농도 측정용 수소센서소자 및 이를 이용한 오일 열화 감지방법 |
JP5942065B1 (ja) * | 2015-08-03 | 2016-06-29 | 株式会社ジェイ・イー・ティ | センサユニット及び気密性検査装置 |
KR20180004490A (ko) * | 2016-07-04 | 2018-01-12 | 프리시젼센서시스템 주식회사 | 기준가스를 사용하는 전기화학식 센서 모듈 |
CN111656177B (zh) * | 2018-02-06 | 2022-12-30 | 日本碍子株式会社 | 气体传感器 |
KR20200056689A (ko) | 2018-11-15 | 2020-05-25 | 주식회사 화진 | 마그네슘 부재의 그라데이션 방법 및 그라데이션층을 구비한 마그네슘 가공품 |
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CN203299045U (zh) | 2013-04-27 | 2013-11-20 | 深圳职业技术学院 | 柴油汽车尾气检测装置 |
JP2015064341A (ja) | 2013-08-30 | 2015-04-09 | 株式会社デンソー | ガス濃度検出装置 |
JP2017058358A (ja) | 2015-09-17 | 2017-03-23 | 株式会社デンソー | ガスセンサ |
JP2017067538A (ja) | 2015-09-29 | 2017-04-06 | Toto株式会社 | 生体情報測定システム |
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KR20220128421A (ko) | 2022-09-20 |
WO2021230484A1 (ko) | 2021-11-18 |
EP4113096A1 (en) | 2023-01-04 |
US20230146123A1 (en) | 2023-05-11 |
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