JP2012043272A - 煙式火災感知器 - Google Patents
煙式火災感知器 Download PDFInfo
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- JP2012043272A JP2012043272A JP2010185153A JP2010185153A JP2012043272A JP 2012043272 A JP2012043272 A JP 2012043272A JP 2010185153 A JP2010185153 A JP 2010185153A JP 2010185153 A JP2010185153 A JP 2010185153A JP 2012043272 A JP2012043272 A JP 2012043272A
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Abstract
【解決手段】本体A内においてセンサ部5の入口54の鉛直上方に進入防止壁12が配置されている。そのため、入口54への異物の進入や堆積を阻止することができ、その結果、塵や埃などの異物による火災の誤検出の発生を抑制することができる。
【選択図】 図1
Description
5 センサ部(検出空間)
12 進入防止壁
54 入口
Claims (2)
- 壁面に設置される本体と、当該本体内に設けられる検出空間と、当該検出空間内に外気を導入するための入口と、前記本体内において前記入口の鉛直上方に配置されて当該入口への異物の進入を阻止する1乃至複数の進入防止壁とを備えたことを特徴とする煙式火災感知器。
- 前記複数の進入防止壁は、鉛直方向に沿って配置されるとともに、前記壁面の法線方向からみて水平方向に沿ってずれて配置され、且つ前記壁面と平行な方向からみて前記入口を覆うように配置されることを特徴とする請求項1記載の煙式火災感知器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010185153A JP5887522B2 (ja) | 2010-08-20 | 2010-08-20 | 煙式火災感知器 |
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JP2010185153A JP5887522B2 (ja) | 2010-08-20 | 2010-08-20 | 煙式火災感知器 |
Publications (2)
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JP2012043272A true JP2012043272A (ja) | 2012-03-01 |
JP5887522B2 JP5887522B2 (ja) | 2016-03-16 |
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JP2010185153A Active JP5887522B2 (ja) | 2010-08-20 | 2010-08-20 | 煙式火災感知器 |
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JP (1) | JP5887522B2 (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000067340A (ja) * | 1998-08-25 | 2000-03-03 | Matsushita Electric Works Ltd | 煙感知器 |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000067340A (ja) * | 1998-08-25 | 2000-03-03 | Matsushita Electric Works Ltd | 煙感知器 |
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JP5887522B2 (ja) | 2016-03-16 |
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