火花试验装置及其在本质安全电路评定中的应用  

Spark Test Device and Its Application in Assessment of Intrinsically Safe Circuit

作　　者：徐直 

机构地区：[1]中煤科工集团常州自动化研究院,江苏常州213015

出　　处：《工矿自动化》2011年第11期26-28,共3页Journal Of Mine Automation

摘　　要：介绍了火花试验装置的结构、原理及其在本质安全电路评定中的应用,指出将该装置用于本质安全电路评定时应进行多方面的调整和验证,并指出该装置具有不适用于试验电流大于3 A的电路等局限性。The paper described structure and principle of spark test device and its application in assessment of intrinsically safe circuit,and pointed out that the device should be adjusted and verified from different aspects while applied to assessment of intrinsically safe circuit,and that the device has limitations such as inapplicability for circuit with testing current greater than 3 A.

关 键 词：本质安全电路 火花试验装置 爆炸性气体 钨丝与镉盘 应用局限性 

分 类 号：TD685[矿业工程—矿山机电]