Household gas leakage alarm device

The utility model belongs to the technical field of gas alarm, and specifically discloses a household gas leakage alarm device. The structure forming the device comprises a mounting shell, and a gas sensor, a signal amplifier, an audible and visual alarm mechanism, a valve shut-off circuit and a pow...

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Hauptverfasser: GAO YONGZHI, SU XICHEN
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creator GAO YONGZHI
SU XICHEN
description The utility model belongs to the technical field of gas alarm, and specifically discloses a household gas leakage alarm device. The structure forming the device comprises a mounting shell, and a gas sensor, a signal amplifier, an audible and visual alarm mechanism, a valve shut-off circuit and a power supply are arranged in the mounting shell; an amplified signal comparator is arranged among the signal amplifier, the audible and visual alarm mechanism and the valve shut-off circuit, and the audible and visual alarm mechanism and the valve shut-off circuit are respectively connected with two output ends of the amplified signal comparator. The household gas leakage alarm device can realize separation of alarming and shutting-off of a gas valve, and effectively solves the problem that the sensitivity of the alarm device and the shutting-off of the gas valve cause disorder of the use and management work of the natural gas.
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The structure forming the device comprises a mounting shell, and a gas sensor, a signal amplifier, an audible and visual alarm mechanism, a valve shut-off circuit and a power supply are arranged in the mounting shell; an amplified signal comparator is arranged among the signal amplifier, the audible and visual alarm mechanism and the valve shut-off circuit, and the audible and visual alarm mechanism and the valve shut-off circuit are respectively connected with two output ends of the amplified signal comparator. 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The structure forming the device comprises a mounting shell, and a gas sensor, a signal amplifier, an audible and visual alarm mechanism, a valve shut-off circuit and a power supply are arranged in the mounting shell; an amplified signal comparator is arranged among the signal amplifier, the audible and visual alarm mechanism and the valve shut-off circuit, and the audible and visual alarm mechanism and the valve shut-off circuit are respectively connected with two output ends of the amplified signal comparator. The household gas leakage alarm device can realize separation of alarming and shutting-off of a gas valve, and effectively solves the problem that the sensitivity of the alarm device and the shutting-off of the gas valve cause disorder of the use and management work of the natural gas.</abstract><oa>free_for_read</oa></addata></record>
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language chi ; eng
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subjects ACTUATING-FLOATS
ALARM SYSTEMS
BLASTING
COCKS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
title Household gas leakage alarm device
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