JP4943926B2 - 流体計測装置及び流体保安システム - Google Patents
流体計測装置及び流体保安システム Download PDFInfo
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- JP4943926B2 JP4943926B2 JP2007107848A JP2007107848A JP4943926B2 JP 4943926 B2 JP4943926 B2 JP 4943926B2 JP 2007107848 A JP2007107848 A JP 2007107848A JP 2007107848 A JP2007107848 A JP 2007107848A JP 4943926 B2 JP4943926 B2 JP 4943926B2
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- 238000005259 measurement Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 13
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- 238000002485 combustion reaction Methods 0.000 description 6
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- 230000000903 blocking effect Effects 0.000 description 5
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- 238000012545 processing Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Description
10 流体計測装置(ガスメータ)
11a1 使用時間検出手段(ガスメータのCPU)
11a2 遮断予告要求手段(ガスメータのCPU)
11a3 流量判定手段(ガスメータのCPU)
11a4 警報停止要求手段(ガスメータのCPU)
11a5 微少脈動検出手段(ガスメータのCPU)
20 警報器(ガス漏れ警報器)
Claims (2)
- 流路を流れる流体の使用時間が予め定められた使用時間判定条件に満たしたことを検出する使用時間検出手段と、前記使用時間検出手段の検出に応じて遮断予告の警報開始を要求する遮断予告要求手段と、前記遮断予告要求手段が警報開始の要求を行った後の予め定められた監視時間内における前記流体の流れを監視して流量の有無を判定する流量判定手段と、前記監視時間が経過して前記流量判定手段による流量無しの判定に応じて前記遮断予告の警報停止を要求する警報停止要求手段と、を有する流体計測装置において、
前記流路内に微少な脈動の発生又は脈動の発生無しを、前記遮断予告要求手段が遮断予告の要求を行った後から前記監視時間よりも短い脈動監視時間内で検出する微少脈動検出手段を有し、
前記警報停止要求手段は、前記微少脈動監視手段による微少な脈動の発生又は脈動無しの検出に応じて前記遮断予告の警報停止を要求する手段であることを特徴とする流体計測装置。 - 請求項1に記載の流体計測装置と、前記流体計測装置からの警報開始及び警報停止の要求に応じて警報動作が制御される警報器と、を有することを特徴とする流体保安システム。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007107848A JP4943926B2 (ja) | 2007-04-17 | 2007-04-17 | 流体計測装置及び流体保安システム |
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JP2007107848A JP4943926B2 (ja) | 2007-04-17 | 2007-04-17 | 流体計測装置及び流体保安システム |
Publications (2)
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JP2008267849A JP2008267849A (ja) | 2008-11-06 |
JP4943926B2 true JP4943926B2 (ja) | 2012-05-30 |
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JP2007107848A Active JP4943926B2 (ja) | 2007-04-17 | 2007-04-17 | 流体計測装置及び流体保安システム |
Country Status (1)
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Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3169594B2 (ja) * | 1990-02-15 | 2001-05-28 | 松下電器産業株式会社 | ガスメータ |
JP3819763B2 (ja) * | 2001-11-15 | 2006-09-13 | 東京瓦斯株式会社 | ガス器具判定装置及びガス器具の判定機能を有するガスメータ |
JP2003279039A (ja) * | 2002-03-26 | 2003-10-02 | Osaka Gas Co Ltd | ガス遮断システム |
JP2005157417A (ja) * | 2003-11-20 | 2005-06-16 | Yazaki Corp | 液化天然ガス用警報器及び液化天然ガス用保安システム |
JP2005257371A (ja) * | 2004-03-10 | 2005-09-22 | Yazaki Corp | 電子式ガスメータ及びその復帰安全確認処理方法 |
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