JP2011165729A - 防爆容器用通気具及び防爆容器 - Google Patents
防爆容器用通気具及び防爆容器 Download PDFInfo
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Abstract
【解決手段】この発明の通気具10は、軸方向における両端部が開放した筒状体のホルダ1内に発泡金属2及びフィルタ3を固定している。ホルダ1は防爆容器100の孔部104に軸方向に挿入され、孔部104の内周面に接合される。発泡金属2は、軸方向に貫通した多数の微小孔を備え、ホルダ1の内部における軸方向に直交する面内の全面に配置される。フィルタ3は、それぞれが軸方向に直交する面内で互いに一部が重複する異なる形状の開口部31A〜35Aを形成した複数の板材31〜35で構成され、ホルダ1の一端側からホルダ1の内部における発泡金属2の配置位置よりも一端側で、ホルダ1の内部における軸方向に直交する面内の全面に配置される。
【選択図】図1
Description
2−発泡金属
3−フィルタ
4−固定部材
10−通気具
12−雄ねじ部(接合部)
16−突出部
31〜35−板材
31A〜35A−開口部
100−防爆容器
101−本体
102−蓋体
104−ネジ孔(孔部)
Claims (5)
- 軸方向における両端部が開放した筒状体であり、防爆容器の壁面の孔部に一端側が防爆容器の内部側となるように前記軸方向に挿入され、前記孔部の内周面に接合される接合部を外周部における前記軸方向の一部に備えたホルダと、
軸方向に貫通した多数の微小孔を備え、前記ホルダの内部における軸方向に直交する面内の全面に配置される発泡金属と、
それぞれが軸方向に直交する面内で互いに一部が重複する異なる形状の開口部を形成した板材で構成され、前記ホルダ内部における前記発泡金属の配置位置より前記一端側で、前記ホルダの内部における軸方向に直交する面内の全面に配置されるフィルタと、
発泡金属及びフィルタをホルダの内部に固定する固定部材と、
を備えた防爆容器用通気具。 - 前記ホルダは、内部に、前記内周面から半径方向に沿って中心側に延出した突出部が形成されており、
前記発泡金属は、前記ホルダの内部における前記突出部に当接する位置に配置される請求項1に記載の防爆容器用通気具。 - 前記固定部材は、真空溶接接合によって少なくとも発泡金属をホルダの内周面に固定する請求項1又は2に記載の防爆容器用通気具。
- 前記固定部材は、外径が前記ホルダの内径に略等しい環状の板材で構成される請求項3に記載の防爆容器用通気具。
- 請求項1乃至4の何れかに記載の防爆容器用通気具の外周面が内周面に接合する孔部を備え、
前記孔部に対向する位置にマイクを収納した耐圧防爆構造の防爆容器。
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JP2010023744A JP5271292B2 (ja) | 2010-02-05 | 2010-02-05 | 防爆容器用通気具及び防爆容器 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017092184A (ja) * | 2015-11-06 | 2017-05-25 | Jxエネルギー株式会社 | 防爆容器用換気具、防爆容器、防爆ガス検出機構及び監視装置 |
CN110636733A (zh) * | 2019-10-31 | 2019-12-31 | 徐州筑之邦工程机械有限公司 | 一种高稳定性半真空矿用集控通讯主机 |
JP2021077952A (ja) * | 2019-11-06 | 2021-05-20 | 株式会社宮木電機製作所 | 防爆音響機器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08201331A (ja) * | 1995-01-23 | 1996-08-09 | Mitsubishi Electric Corp | ガスセンサ |
JPH08254515A (ja) * | 1995-03-16 | 1996-10-01 | Figaro Eng Inc | ガスセンサ |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08201331A (ja) * | 1995-01-23 | 1996-08-09 | Mitsubishi Electric Corp | ガスセンサ |
JPH08254515A (ja) * | 1995-03-16 | 1996-10-01 | Figaro Eng Inc | ガスセンサ |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017092184A (ja) * | 2015-11-06 | 2017-05-25 | Jxエネルギー株式会社 | 防爆容器用換気具、防爆容器、防爆ガス検出機構及び監視装置 |
CN110636733A (zh) * | 2019-10-31 | 2019-12-31 | 徐州筑之邦工程机械有限公司 | 一种高稳定性半真空矿用集控通讯主机 |
JP2021077952A (ja) * | 2019-11-06 | 2021-05-20 | 株式会社宮木電機製作所 | 防爆音響機器 |
JP7041966B2 (ja) | 2019-11-06 | 2022-03-25 | 株式会社宮木電機製作所 | 防爆音響機器 |
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