To provide a gas appliance operation identification system capable of surely recognizing operating situations of gas appliances at low cost without detecting a flow rate of each appliances.
In the gas appliance operation identification system 1, vibration sensors 91 installed in respective gas pipes 7 detect mechanical vibrations reflecting gas flow conditions to gas appliances 5a and 5b. Frequency characteristics of the detected mechanical vibrations are analyzed, and based on whether the analysis results reflect information characteristic of the respective gas appliances 5a and 5b connected to the gas pipes 7 and their operation or not, operating conditions of the gas appliances 5a and 5b are identified.
COPYRIGHT: (C)2010,JPO&INPIT
FURUSAWA SEIICHI
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