JP2005147844A - 防爆型ガスセンサ - Google Patents
防爆型ガスセンサ Download PDFInfo
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- JP2005147844A JP2005147844A JP2003385601A JP2003385601A JP2005147844A JP 2005147844 A JP2005147844 A JP 2005147844A JP 2003385601 A JP2003385601 A JP 2003385601A JP 2003385601 A JP2003385601 A JP 2003385601A JP 2005147844 A JP2005147844 A JP 2005147844A
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- Prior art keywords
- explosion
- proof
- gas sensor
- filter
- hole
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- 229920005989 resin Polymers 0.000 claims abstract description 34
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- 239000002184 metal Substances 0.000 claims abstract description 17
- 238000005245 sintering Methods 0.000 claims abstract description 8
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- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 abstract description 8
- 239000000758 substrate Substances 0.000 description 20
- 239000002360 explosive Substances 0.000 description 9
- 238000004880 explosion Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
【解決手段】 通気穴10と端子導出穴11とを有する防爆ケース1内にセンサ本体2を収容し、通気穴10を防爆フィルタ3で塞ぐとともに、端子導出穴11を樹脂4の注入により封止して成る防爆型ガスセンサにおいて、防爆フィルタ3として焼結金属フィルタを用い、この焼結金属フィルタと防爆ケース1とを同時焼結により接合させるとともに、端子導出穴11の内周面には樹脂4を抜け止めする為の凹溝16を設けておく。
【選択図】 図1
Description
2 センサ本体
3 防爆フィルタ
4 樹脂
10 通気穴
11 端子導出穴
12 内部空間
16 凹溝
20 ガス感応体
Claims (1)
- 内部空間と連通した通気穴と端子導出穴とを有する金属製の防爆ケースの前記内部空間内にセンサ本体を収容し、通気穴を防爆フィルタで塞ぐとともに、端子導出穴を樹脂注入により封止して成る防爆型ガスセンサであって、防爆フィルタとして焼結金属フィルタを用い、焼結金属フィルタと防爆ケースとを同時焼結により接合させるとともに、端子導出穴の内周面には樹脂を抜け止めする為の凹溝を設けていることを特徴とする防爆型ガスセンサ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003385601A JP4091902B2 (ja) | 2003-11-14 | 2003-11-14 | 防爆型ガスセンサ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003385601A JP4091902B2 (ja) | 2003-11-14 | 2003-11-14 | 防爆型ガスセンサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005147844A true JP2005147844A (ja) | 2005-06-09 |
JP4091902B2 JP4091902B2 (ja) | 2008-05-28 |
Family
ID=34693604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003385601A Expired - Fee Related JP4091902B2 (ja) | 2003-11-14 | 2003-11-14 | 防爆型ガスセンサ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4091902B2 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007132695A (ja) * | 2005-11-08 | 2007-05-31 | Riken Keiki Co Ltd | 防爆型ガスセンサー |
JP2007256243A (ja) * | 2006-03-27 | 2007-10-04 | Riken Keiki Co Ltd | 赤外線式ガス検知器 |
JP2014020499A (ja) * | 2012-07-20 | 2014-02-03 | Yazaki Energy System Corp | 液化燃料ガス気化装置 |
CN110108839A (zh) * | 2019-04-25 | 2019-08-09 | 汉威科技集团股份有限公司 | 一种单腔体带光报警的气体探测器 |
JP2020025025A (ja) * | 2018-08-07 | 2020-02-13 | 横河電機株式会社 | 防爆構造 |
-
2003
- 2003-11-14 JP JP2003385601A patent/JP4091902B2/ja not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007132695A (ja) * | 2005-11-08 | 2007-05-31 | Riken Keiki Co Ltd | 防爆型ガスセンサー |
JP2007256243A (ja) * | 2006-03-27 | 2007-10-04 | Riken Keiki Co Ltd | 赤外線式ガス検知器 |
JP2014020499A (ja) * | 2012-07-20 | 2014-02-03 | Yazaki Energy System Corp | 液化燃料ガス気化装置 |
JP2020025025A (ja) * | 2018-08-07 | 2020-02-13 | 横河電機株式会社 | 防爆構造 |
CN110829684A (zh) * | 2018-08-07 | 2020-02-21 | 横河电机株式会社 | 防爆结构 |
US11018485B2 (en) | 2018-08-07 | 2021-05-25 | Yokogawa Electric Corporation | Explosion-proof structure |
CN110829684B (zh) * | 2018-08-07 | 2021-08-13 | 横河电机株式会社 | 防爆结构 |
CN110108839A (zh) * | 2019-04-25 | 2019-08-09 | 汉威科技集团股份有限公司 | 一种单腔体带光报警的气体探测器 |
Also Published As
Publication number | Publication date |
---|---|
JP4091902B2 (ja) | 2008-05-28 |
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