大气采样器防倒吸装置设计初探

Exploring the install used in air gaining sample avoiding flowing backwards

根据多年大气采样的经验,设计出防倒吸控制器,该控制器只用一晶体管继电器电路,结构简单、使用方便,可附于目前国内各种型号的大气采样器中使用.

According to the experiment of atmosphere picking sample. The author designs control apparatus which avoids flowing backwards. This control apparatus only emploies a transistor and a continue electrical equipment, Its structure is simple and operation is easy. So it Can be used all kinds of atmosphere picking sample in our country.