矿用本安电源的设计  

Design of Intrinsically-safe Power Supply for Cole Mine

作　　者：张常年[1] 徐中果[1] 王恩成[1] 

机构地区：[1]北方工业大学信息工程学院,北京石景山100044

出　　处：《洛阳理工学院学报（自然科学版）》2013年第3期62-64,共3页Journal of Luoyang Institute of Science and Technology：Natural Science Edition

摘　　要：针对煤矿井下易燃、易爆的特殊环境,设计了一种基于单端反激式的本质安全型开关电源。该电源拥有两级过流和过压保护电路,它的输入为127 V交流电压,输出为一路12 V直流电压。重点介绍了开关电源的实现方法及过压保护电路和过流保护电路的详细设计。通过测试给出了实验结果,验证了设计的可行性。This paper has designed an intrinsically-safe switching power supply based on single-ended flyback for the special circumstances of underground coal mine which is flammable and explosive. The power supply has double over-voltage and over-current protection circuit, with power input 127 V AC, and power output one 12 V DC. It lays emphasis on therealization of the switching power supply and the detailed design of the over-current protection and overvoltage protection. Experimental results are given to prove the feasibility of the design.

关 键 词：本质安全 开关电源 单端反激 煤矿井下 

分 类 号：TN7[电子电信—电路与系统]