电化学气敏传感器的原理及其应用

Principle and Application of Electro-chemical Gas Sensor

主要介绍了电化学气敏传感器的工作原理及特性,详细阐述了气敏传感器中的恒电位电解式传感器的结构以及应用电路。利用不同的恒电位电解式传感器能检测酸性、碱性毒气的特点,设计了主动式送风防毒面具的控制系统,成功实现了在不同环境下的过滤通道的切换,从而达到了过滤毒气的目的。此控制系统结构设计巧妙,具有广阔的应用前景。

Introduced the operational principle and property of electro-chemical gas sensor, and explainsed its structure and application circuit in detail. Making use of distinct characteristic of invariant electric potential electro-analysis sensor, designed initiative give-wind gas control system which realizes filtration gas in difference environment. It has a skillful frame and possesses a broad application prospects in a medical rescue.