电池保护电路在矿用本安电路中的应用  

Application of Battery Protection Circuit in Intrinsically Safe Circuit for Mining

作　　者：刘奕琨 彭光宇 LIU Yikun;PENG Guangyu(CCTEG Xi’an Research Institute(Group)Co.,Ltd.,Xi’an 710077,China)

机构地区：[1]中煤科工西安研究院(集团)有限公司,陕西西安710077

出　　处：《煤矿机电》2022年第5期32-35,47,共5页Colliery Mechanical & Electrical Technology

基　　金：中煤科工集团西安研究院有限公司科技创新项目(2021XAYJSQ10)。

摘　　要：基于国标对本质安全型设备保护电路的要求,设计出一种基于保护IC芯片的本安电源电池保护电路,用于矿用手持式设备的电源输出保护电路部分。对保护电路具有两级完整的过压保护和过流保护,同时加入了欠压保护功能。对保护电路原理图、外围电路的元件搭建、参数的选取进行了介绍,并设计出检验电池保护板的实验方案。通过实验结果验证了设计的合理性和可行性,并满足《GB/T 3836.4—2021爆炸性环境第4部分:由本质安全型“i”保护的设备》标准要求,对矿用手持式设备的本安电源保护电路设计具有重要参考意义。Based on the requirements of national standard for intrinsically safe equipment protection circuit,an intrinsically safe power supply battery protection circuit based on protection IC chip was designed for the power output protection circuit of mine hand-held equipment.The protection circuit has two-level complete over-voltage protection and over-current protection,and the under-voltage protection function is added.The schematic diagram of the protection circuit,the component construction of the peripheral circuit,and the selection of parameters were introduced,and an experimental scheme for testing the battery protection board was designed.The experimental results verify the rationality and feasibility of the design and meet the requirements of GB/T 3836.4—2021 Explosive Atmospheres Part 4:Equipment Protected by Intrinsically Safe“i”has important reference significance for the design of intrinsically safe power supply protection circuit of mine hand-held equipment.

关 键 词：本质安全 本安电源保护电路 过压保护 过流保护 

分 类 号：TM773[电气工程—电力系统及自动化]