能自动关闭阀门的煤气报警控制器  

A Gas Alarm Controller with a Device to Shut the Gas Valve Automatically

作　　者：刘良福[1] 黄隆胜[1] 

机构地区：[1]赣南师范学院物理系,江西赣州341000

出　　处：《赣南师范学院学报》2002年第6期41-42,共2页Journal of Gannan Teachers' College(Social Science(2))

摘　　要：本文介绍了一种功能齐全、方便实用的煤气报警控制器.在有煤气泄漏时,该报警控制器不仅能声、光报警,自动排气,而且还能自动关闭阀门,切断气源,因此能有效地防止事故的发生.The essay introduces a gas alarm controller with many functions which is convenient and practical in use.When gas leaks,the controller can give alarm both in sound and light.At the same time,it can also exhaust gas from the room and shut the gas valve to cut off the gas supply.An accident can be prevented in time.

关 键 词：自动关闭阀门 煤气报警控制器 气敏传感器 施密特触发器 单稳态触发器 双时基电路 

分 类 号：TP277[自动化与计算机技术—检测技术与自动化装置]