COMBUSTIBLE GAS ALARM

The utility model relates to a combustible gas alarm, especially suitable for the alarm of the combustible gas like the natural gas, etc. The combustible gas alarm comprises a shell, a signal amplifying circuit, an alarm light display circuit and a sound alarm circuit. Since the combustible gas alar...

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Bibliographic Details
Main Authors WEI ZHENJUN, ZHAO LIMIN
Format Patent
LanguageEnglish
Published 24.02.1988
Edition4
Subjects
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Summary:The utility model relates to a combustible gas alarm, especially suitable for the alarm of the combustible gas like the natural gas, etc. The combustible gas alarm comprises a shell, a signal amplifying circuit, an alarm light display circuit and a sound alarm circuit. Since the combustible gas alarm is also provided with a time delay circuit controlling the power supply of the signal amplifying circuit and a control circuit controlling the power supply of the sound alarm circuit, the misoperation phenomena in the energization are overcome. The utility model has the advantages of high reliability and low cost and is suitable to be widely used for the petrochemical engineering and families.
Bibliography:Application Number: CN1987200925U