In this paper,a new kind of intelligent gas leak detection which powered by wireless electric supply is discussed.The system can predict gas leak quickly.The system includes the gas sensor,control system and exhaust system.The gas sensor can give the signal that tells gas leak or not.If a gas leak happened,the control system will start the exhaust system,and when the gas leak stopped,it will stop the exhaust system.The entire system is powered by wireless electric supply,and in this way,it avoids the gas explosion which leads by the electric spark,and shows economical,practical,safe and effective.%本文提出了一种新型智能感应煤气无线供电排风系统方案,该系统能快速有效预测和应变煤气或天然气泄漏事故.本系统包括煤气感应器、控制系统和排风系统模块,其中煤气感应器实时监测煤气是否发生泄漏,当室内煤气浓度达到额定值时,持续输出信号;控制系统接收到持续的信号后,自动启动排风系统;当室内煤气浓度低于额定值时,煤气感应器持续输出信号,控制系统接收到持续的信号后,自动停止排风系统.本系统采用无线供电技术,不会产生电火花而引发煤气爆炸事故,结构简单、经济实用、安全有效.
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