JP7021756B2 - ガス検出器 - Google Patents
ガス検出器 Download PDFInfo
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- JP7021756B2 JP7021756B2 JP2020536457A JP2020536457A JP7021756B2 JP 7021756 B2 JP7021756 B2 JP 7021756B2 JP 2020536457 A JP2020536457 A JP 2020536457A JP 2020536457 A JP2020536457 A JP 2020536457A JP 7021756 B2 JP7021756 B2 JP 7021756B2
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- membrane
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
- B01D71/10—Cellulose; Modified cellulose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
- B01D71/12—Cellulose derivatives
- B01D71/22—Cellulose ethers
-
- 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
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- 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
- 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
- G01N33/0011—Sample conditioning
- G01N33/0014—Sample conditioning by eliminating a gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/14—Membrane materials having negatively charged functional groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/16—Membrane materials having positively charged functional groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
-
- 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
- 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
Description
この発明の課題は、有機高分子通気性膜中にシロキサン分子を固定し、その透過を防止することにある。
4 Siチップ(ガス検出部)
5 ハウジング
6 リッド
7 開口
8 フィルタ
10 支持膜
12 通気性有機高分子膜
16 リード線
17 端子
20 マイクロホットプレート
22 金属酸化物半導体
24 ビーム
26 キャビティ
28 パッド
Claims (5)
- フィルタを介して雰囲気をガス検出部へ導入するガス検出器において、
前記フィルタは酸性基あるいは塩基性基を有しかつ通気性の有機高分子膜であり、前記有機高分子膜は、有機高分子膜内をガスが透過し、かつシロキサン分子が有機高分子膜内に固定されるように構成されていることを特徴とする、ガス検出器。 - 前記ガス検出器はガスセンサであり、
前記ガス検出部と前記フィルタに加えて、前記ガス検出部を収容しかつ前記フィルタが取り付けられているハウジングを備えていることを特徴とする、請求項1のガス検出器。 - 前記有機高分子膜は、酸性基としてカルボキシル基を有するか、あるいは塩基性基としてアミノ基を有することを特徴とする、請求項1または2のガス検出器。
- 前記有機高分子膜は多糖類の膜であることを特徴とする、請求項1または2のガス検出器。
- 前記有機高分子膜は、カルボキシル基を有するカルボキシメチルセルロースの膜、あるいはアミノ基を有するキトサンの膜であることを特徴とする、請求項1または2のガス検出器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018151404 | 2018-08-10 | ||
JP2018151404 | 2018-08-10 | ||
PCT/JP2019/029238 WO2020031723A1 (ja) | 2018-08-10 | 2019-07-25 | ガス検出器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020031723A1 JPWO2020031723A1 (ja) | 2021-08-26 |
JP7021756B2 true JP7021756B2 (ja) | 2022-02-17 |
Family
ID=69415215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020536457A Active JP7021756B2 (ja) | 2018-08-10 | 2019-07-25 | ガス検出器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11940432B2 (ja) |
EP (1) | EP3835773A4 (ja) |
JP (1) | JP7021756B2 (ja) |
KR (1) | KR20210039472A (ja) |
CN (1) | CN112703395A (ja) |
WO (1) | WO2020031723A1 (ja) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008128687A (ja) | 2006-11-17 | 2008-06-05 | Figaro Eng Inc | 車載用ガス検出装置 |
JP2010509056A (ja) | 2006-11-13 | 2010-03-25 | リサーチ・トライアングル・インスティチュート | ナノ繊維を組み込んだ粒子フィルタシステム |
JP2011212565A (ja) | 2010-03-31 | 2011-10-27 | Osaka Gas Co Ltd | シロキサン除去剤及びそれを用いたフィルター |
JP2013242269A (ja) | 2012-05-22 | 2013-12-05 | Figaro Eng Inc | ガスセンサ |
WO2016152645A1 (ja) | 2015-03-26 | 2016-09-29 | ニッタ株式会社 | ケミカルフィルタ |
WO2017138190A1 (ja) | 2016-02-12 | 2017-08-17 | フィガロ技研株式会社 | ガスセンサ |
JP2017531163A (ja) | 2014-07-22 | 2017-10-19 | ブルーワー サイエンス アイ エヌ シー. | 薄膜抵抗式センサ |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60129104A (ja) * | 1983-12-16 | 1985-07-10 | ザ・ダウ・ケミカル・カンパニ− | アニオン性多糖類からなる分離膜,及び分離方法 |
JP5520528B2 (ja) * | 2008-07-10 | 2014-06-11 | 東レ・ダウコーニング株式会社 | ガスバリアー性硬化オルガノポリシロキサン樹脂フィルム及びその製造方法 |
JP5773419B2 (ja) * | 2011-05-26 | 2015-09-02 | フィガロ技研株式会社 | ガスセンサとガス検出装置 |
NL2007705C2 (en) * | 2011-11-02 | 2013-05-21 | Stichting Energie | Low cost polymer supported hybrid silica membrane and production thereof. |
JP2013111507A (ja) * | 2011-11-25 | 2013-06-10 | Fujifilm Corp | ガス分離膜、その製造方法、それを用いたガス分離膜モジュール |
DE102013018457A1 (de) * | 2013-11-02 | 2015-05-07 | Dräger Safety AG & Co. KGaA | Filmmaterial zur selektiven Entfernung von Siloxanen |
JP2015093254A (ja) * | 2013-11-13 | 2015-05-18 | 大阪瓦斯株式会社 | 吸着性樹脂材料、シロキサン除去剤、それを用いたフィルター、フィルターを配設したガスセンサー及びガス検出器 |
US20180259477A1 (en) * | 2015-09-17 | 2018-09-13 | Figaro Engineering Inc. | Electrochemical Gas Sensor |
CN109313152A (zh) * | 2016-06-23 | 2019-02-05 | 费加罗技研株式会社 | 气体传感器 |
CN108387617B (zh) | 2017-02-03 | 2021-07-06 | 华邦电子股份有限公司 | 气体传感器及其制造方法 |
EP3835772A4 (en) * | 2018-08-10 | 2022-04-27 | Figaro Engineering Inc. | GAS DETECTOR |
-
2019
- 2019-07-25 JP JP2020536457A patent/JP7021756B2/ja active Active
- 2019-07-25 CN CN201980053885.2A patent/CN112703395A/zh active Pending
- 2019-07-25 KR KR1020217007115A patent/KR20210039472A/ko not_active Application Discontinuation
- 2019-07-25 WO PCT/JP2019/029238 patent/WO2020031723A1/ja active Search and Examination
- 2019-07-25 US US17/267,059 patent/US11940432B2/en active Active
- 2019-07-25 EP EP19847206.0A patent/EP3835773A4/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010509056A (ja) | 2006-11-13 | 2010-03-25 | リサーチ・トライアングル・インスティチュート | ナノ繊維を組み込んだ粒子フィルタシステム |
JP2008128687A (ja) | 2006-11-17 | 2008-06-05 | Figaro Eng Inc | 車載用ガス検出装置 |
JP2011212565A (ja) | 2010-03-31 | 2011-10-27 | Osaka Gas Co Ltd | シロキサン除去剤及びそれを用いたフィルター |
JP2013242269A (ja) | 2012-05-22 | 2013-12-05 | Figaro Eng Inc | ガスセンサ |
JP2017531163A (ja) | 2014-07-22 | 2017-10-19 | ブルーワー サイエンス アイ エヌ シー. | 薄膜抵抗式センサ |
WO2016152645A1 (ja) | 2015-03-26 | 2016-09-29 | ニッタ株式会社 | ケミカルフィルタ |
WO2017138190A1 (ja) | 2016-02-12 | 2017-08-17 | フィガロ技研株式会社 | ガスセンサ |
Also Published As
Publication number | Publication date |
---|---|
JPWO2020031723A1 (ja) | 2021-08-26 |
EP3835773A1 (en) | 2021-06-16 |
WO2020031723A1 (ja) | 2020-02-13 |
US20210164951A1 (en) | 2021-06-03 |
CN112703395A (zh) | 2021-04-23 |
KR20210039472A (ko) | 2021-04-09 |
EP3835773A4 (en) | 2022-04-27 |
US11940432B2 (en) | 2024-03-26 |
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