JP4996380B2 - 火災警報器 - Google Patents
火災警報器 Download PDFInfo
- Publication number
- JP4996380B2 JP4996380B2 JP2007184304A JP2007184304A JP4996380B2 JP 4996380 B2 JP4996380 B2 JP 4996380B2 JP 2007184304 A JP2007184304 A JP 2007184304A JP 2007184304 A JP2007184304 A JP 2007184304A JP 4996380 B2 JP4996380 B2 JP 4996380B2
- Authority
- JP
- Japan
- Prior art keywords
- smoke
- fire alarm
- sampling period
- fire
- alarm
- Prior art date
- 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.)
- Expired - Fee Related
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- 239000000779 smoke Substances 0.000 claims description 72
- 238000005070 sampling Methods 0.000 claims description 36
- 238000012544 monitoring process Methods 0.000 claims description 22
- 238000005259 measurement Methods 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 14
- 238000007689 inspection Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
- 238000000034 method Methods 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
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- Fire Alarms (AREA)
Description
12 煙センサ
13 サンプルホールド回路(計測手段)
14 A/D変換回路(計測手段)
16 警報部(警報手段)
Claims (3)
- 設定されたサンプリング周期で煙センサの出力を計測する計測手段と、該計測手段で得られた計測値に基づいて火災警報を行う警報手段とを備えた火災警報器において、
前記計測手段で煙検出用のサンプリング周期で得られた計測値が予め設定された閾値を超えた際に、該計測手段におけるサンプリング周期を煙検出用のサンプリング周期より短い周期に設定し、該短い周期に設定されたサンプリング周期で計測した計測値が予め設定された閾値以下の場合に、前記警報手段による火災警報を規制するようにしたことを特徴とする火災警報器。 - 前記煙検出用のサンプリング周期で得られた計測値に基づいて火災を検出する通常監視機能と、前記短く設定されたサンプリング周期で得られた計測値について前記閾値との比較を行う検査機能とを備え、
前記通常監視機能で火災を検出したと判定されたとき前記検査機能を実行し、該検査機能により前記火災警報を規制したときは、前記通常監視機能に切り替えることを特徴とする請求項1に記載の火災警報器。 - 前記煙検出用のサンプリング周期が1秒〜10秒の範囲であり、前記短く設定されたサンプリング周期が100m秒〜1秒の範囲であることを特徴とする請求項1または2に記載の火災警報器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007184304A JP4996380B2 (ja) | 2007-07-13 | 2007-07-13 | 火災警報器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007184304A JP4996380B2 (ja) | 2007-07-13 | 2007-07-13 | 火災警報器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009020796A JP2009020796A (ja) | 2009-01-29 |
JP4996380B2 true JP4996380B2 (ja) | 2012-08-08 |
Family
ID=40360370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007184304A Expired - Fee Related JP4996380B2 (ja) | 2007-07-13 | 2007-07-13 | 火災警報器 |
Country Status (1)
Country | Link |
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JP (1) | JP4996380B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6371612B2 (ja) * | 2014-07-07 | 2018-08-08 | アズビル株式会社 | Pidコントローラおよびデータ収集方法 |
CN112927461B (zh) * | 2021-02-24 | 2023-06-16 | 武汉辰磊科技有限公司 | 一种新能源汽车充电桩预警决策方法及装置 |
CN113570809A (zh) * | 2021-07-13 | 2021-10-29 | 中车南京浦镇车辆有限公司 | 对环境持续采样建模并计算报警阈值的火灾报警系统 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56100343A (en) * | 1980-01-14 | 1981-08-12 | Matsushita Electric Works Ltd | Photoelectric type smoke sensor |
JP3121386B2 (ja) * | 1991-08-27 | 2000-12-25 | 松下電工株式会社 | 火災警報システム |
JP2593980B2 (ja) * | 1991-09-13 | 1997-03-26 | 松下電工株式会社 | 光電式煙感知器 |
JP3069465B2 (ja) * | 1993-04-30 | 2000-07-24 | 松下電工株式会社 | 火災警報システム |
JPH09161169A (ja) * | 1995-12-12 | 1997-06-20 | Nohmi Bosai Ltd | 火災警報装置 |
JP2003067862A (ja) * | 2001-08-28 | 2003-03-07 | Matsushita Electric Works Ltd | 複合型火災感知器 |
JP2005250986A (ja) * | 2004-03-05 | 2005-09-15 | Nohmi Bosai Ltd | 火災感知器 |
JP4989109B2 (ja) * | 2006-05-26 | 2012-08-01 | 新コスモス電機株式会社 | 火災報知器 |
-
2007
- 2007-07-13 JP JP2007184304A patent/JP4996380B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2009020796A (ja) | 2009-01-29 |
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