JP5274909B2 - ガスセンサ及びガス濃度検出装置 - Google Patents
ガスセンサ及びガス濃度検出装置 Download PDFInfo
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- JP5274909B2 JP5274909B2 JP2008163197A JP2008163197A JP5274909B2 JP 5274909 B2 JP5274909 B2 JP 5274909B2 JP 2008163197 A JP2008163197 A JP 2008163197A JP 2008163197 A JP2008163197 A JP 2008163197A JP 5274909 B2 JP5274909 B2 JP 5274909B2
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- Prior art keywords
- gas
- carbon monoxide
- ethanol
- hydrogen
- temperature
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001514 detection method Methods 0.000 title claims abstract description 59
- 239000003054 catalyst Substances 0.000 claims abstract description 46
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 35
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims abstract description 18
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 abstract description 137
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 102
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 96
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract description 69
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 54
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 51
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 51
- 229910052697 platinum Inorganic materials 0.000 abstract description 34
- 238000007084 catalytic combustion reaction Methods 0.000 abstract description 19
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 6
- 239000001257 hydrogen Substances 0.000 description 32
- 229910052739 hydrogen Inorganic materials 0.000 description 32
- 238000002485 combustion reaction Methods 0.000 description 23
- 230000035945 sensitivity Effects 0.000 description 15
- 238000007689 inspection Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 238000010411 cooking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010432 diamond Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
4 ブリッジ回路(出力手段)
6 検出素子
7 比較素子
61 γアルミナ(第1担体)
62 白金コイル(第1温度センサ)
71 セリア触媒
72 白金コイル(第2温度センサ)
Claims (2)
- 周囲温度を検出する第1温度センサ、及び、前記第1温度センサを覆うパラジウム触媒を担持した担体、から構成される検出素子と、
周囲温度を検出する第2温度センサ、及び、前記第2温度センサを覆うセリア触媒、から構成される比較素子と、
を備えたことを特徴とするガスセンサ。 - 請求項1に記載のガスセンサと、
前記第1温度センサによる検出温度と前記第2温度センサによる検出温度との差分を検知対象ガスの濃度に応じたセンサ出力として出力する出力手段と、
を備えたことを特徴とするガス濃度検出装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008163197A JP5274909B2 (ja) | 2008-06-23 | 2008-06-23 | ガスセンサ及びガス濃度検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008163197A JP5274909B2 (ja) | 2008-06-23 | 2008-06-23 | ガスセンサ及びガス濃度検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010002376A JP2010002376A (ja) | 2010-01-07 |
JP5274909B2 true JP5274909B2 (ja) | 2013-08-28 |
Family
ID=41584216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008163197A Active JP5274909B2 (ja) | 2008-06-23 | 2008-06-23 | ガスセンサ及びガス濃度検出装置 |
Country Status (1)
Country | Link |
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JP (1) | JP5274909B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014194353A (ja) * | 2013-03-28 | 2014-10-09 | Yazaki Energy System Corp | ガス検知素子、及び、接触燃焼式ガスセンサ |
JP6574472B2 (ja) * | 2017-12-13 | 2019-09-11 | 矢崎エナジーシステム株式会社 | ガス検知素子、及び、接触燃焼式ガスセンサ |
CN110672777B (zh) * | 2019-10-29 | 2021-04-20 | 南京北路智控科技股份有限公司 | 一种催化燃烧式甲烷传感器异常数据识别分析方法及系统 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0743333A (ja) * | 1993-07-30 | 1995-02-14 | Yazaki Corp | 接触燃焼式ガス検出装置およびその製造方法 |
JP3935791B2 (ja) * | 2002-07-05 | 2007-06-27 | 新コスモス電機株式会社 | ガス検知素子の製造方法 |
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2008
- 2008-06-23 JP JP2008163197A patent/JP5274909B2/ja active Active
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Publication number | Publication date |
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JP2010002376A (ja) | 2010-01-07 |
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