Building deep foundation pit harmful gas detecting alarm device

The utility model relates to a building deep foundation pit harmful gas detecting alarm device, which comprises a portable harmful gas detecting alarm device, an alarm device, a monitoring device and radio signal receiving, sending and transferring devices. The building deep foundation pit harmful d...

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Main Authors CHEN CHONG, WEI HEGUANG, XIE SHOUYONG, WU DAKE
Format Patent
LanguageChinese
English
Published 04.08.2010
Subjects
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Abstract The utility model relates to a building deep foundation pit harmful gas detecting alarm device, which comprises a portable harmful gas detecting alarm device, an alarm device, a monitoring device and radio signal receiving, sending and transferring devices. The building deep foundation pit harmful detecting alarm device is characterized in that the portable harmful gas detecting alarm device is carried into a pit bottom by workers, the alarm device is arranged at a pit opening, the monitoring device is disposed in an office, the radio signal receiving, sending and transferring devices are respectively disposed among the portable harmful gas detecting alarm device, the pit opening alarm device and the monitoring device, and when harmful gas concentration is higher than a threshold value and detected by the portable harmful gas detecting alarm device, alarms of the deep foundation pit bottom, the pit opening and the office are simultaneously sent out.
AbstractList The utility model relates to a building deep foundation pit harmful gas detecting alarm device, which comprises a portable harmful gas detecting alarm device, an alarm device, a monitoring device and radio signal receiving, sending and transferring devices. The building deep foundation pit harmful detecting alarm device is characterized in that the portable harmful gas detecting alarm device is carried into a pit bottom by workers, the alarm device is arranged at a pit opening, the monitoring device is disposed in an office, the radio signal receiving, sending and transferring devices are respectively disposed among the portable harmful gas detecting alarm device, the pit opening alarm device and the monitoring device, and when harmful gas concentration is higher than a threshold value and detected by the portable harmful gas detecting alarm device, alarms of the deep foundation pit bottom, the pit opening and the office are simultaneously sent out.
Author WU DAKE
WEI HEGUANG
CHEN CHONG
XIE SHOUYONG
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Snippet The utility model relates to a building deep foundation pit harmful gas detecting alarm device, which comprises a portable harmful gas detecting alarm device,...
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SubjectTerms ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
Title Building deep foundation pit harmful gas detecting alarm device
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