催化元件变流检测矿井瓦斯

Variable current detection of mine methane using catalytic sensor

基于催化元件检测瓦斯的基本工作原理,提出了一种新的矿井瓦斯检测方法———变流检测法,设计出了相应的检测电路。通过性能试验得出,该检测系统具有检测范围大、稳定性好、响应速度快、抗激活和传感元件使用寿命长等显著优点。

Based on fundamental principle of detecting methane by using catalytic sensor. A new kind of detection method of mine methane-a variable current detector is presented,and the detection circuit is designed.Through the performance test,this testing system has advantages of large measuring range,stability,fast response,activation resistance and long life for its sensor.