本质安全型电路的消火花电路分析  

Analysis of Elimination Spark Circuit of Intrinsically Safe Circuit

作　　者：孙士宏 陈思忠 刘琴 

机构地区：[1]中国煤炭科工集团上海研究院,上海201401

出　　处：《煤矿机电》2011年第4期107-109,共3页Colliery Mechanical & Electrical Technology

摘　　要：消除电感电路放电火花是研究本质安全电路的重要内容。通过对本质安全型电路的消火花电路分析,提出了保护方式和设计方法。结合实例分析不同消火花电路的特点,有助于优化保护电路,提高防爆产品的安全可靠性能。Elimination of the inductor circuit spark is an important part of intrinsically safe circuit.By analyzing the extinction elimination spark of intrinsically safe circuit,the protection and design methods are proposed.Combined with the examples to analyze the features of different elimination spark circuit,it helps to optimize protection circuit and improve the safety and reliability performance of explosion-proof products.

关 键 词：本质安全ib等级 双重保护 消火花电路 

分 类 号：TD685[矿业工程—矿山机电]