Abstract
Abstract - In this paper, we proposed a system and a scenario to raise e fficiency of gas safety manage-ment by developing wireless ZigBee communication modules, smart -home gas safety appliances and the system suitable for gas safet y. Our designed system consists of a micom gas meter, an automatic ex-tinguisher, sensors, and a wall-pad. A micom-gas-meter monitors gas flow, gas pressure, and earthquake. An automatic fire extinguisher checks combustible g as leaks and temperature of 100℃(cut off) and 130℃(fire). Sensors measure smoke and CO gas. In our novel system, a micom-gas meter cut off inner valve with warnings, an automatic fire extinguisher cut o ff middle valve and spray extinguishing materials, and sensors generate signals when detecting smoke an d CO and then take a next action. Gas safety appliances and sensors automatically takes measures, and transmit those information to a wall-pad. The wall-pad again transmits real time information to server. Users can check and manage gas safety situations by connecting BcN server through web or mobil e application. We hereby devised sce-narios for gas safety and risk management based on the smart, a nd demonstrated their efficiency through test applied to filed.Key words : gas safety, micom-gas-meter, wall-pad, automatic-fire-exting uisher, pressure, cut-off
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