煤矿井下监控系统的应用是保障煤矿安全生产必不可少的手段。本文介绍了现场总线技术在煤矿安全监控系统中的应用,首先介绍了现场总线技术的特点,在此基础上设计了基于CAN总线的安全监控系统网络拓扑结构,并对系统核心的控制分站的硬件进行了详细的论述,旨在为同行提供参考。 The application of underground mine monitoring and control system is an indispensable means to ensure the safe production of coal mine. This article introduced the field bus technology in the coal mine safety monitoring system application, introduced the characteristic of the field bus technology at first, has designed the network topological structure of the security monitoring system based on CAN bus, and analyzed the core of the system control substation Hardware detailed discussion, designed to provide reference for peers.