一种数字式煤矿安全监控系统设计
发布时间:2018-05-13 05:06
本文选题:煤矿安全监控 + 双重冗余 ; 参考:《工矿自动化》2017年02期
【摘要】:针对目前煤矿安全监控系统存在的通信实时性差、可靠性不高、易受电磁干扰等问题,提出了一种数字式煤矿安全监控系统设计方案,介绍了系统软、硬件设计方案及关键技术。该系统基于CAN总线和工业以太环网的双重冗余结构,以ARM处理器LPC2294和嵌入式操作系统μC/OS-Ⅱ为核心。测试结果表明,在10km CAN总线,32个数字分站,200台传感器、执行器规模下,该系统CAN总线通信成功率为99.97%,利用率为40%~60%;系统连续运行40d,数据稳定,无中断、异常数据产生,技术指标符合AQ 6201—2006《煤矿安全监控系统通用技术要求》。
[Abstract]:Aiming at the problems of poor real-time communication, low reliability and easy electromagnetic interference in the present coal mine safety monitoring system, a design scheme of digital coal mine safety monitoring system is put forward, and the software of the system is introduced. Hardware design and key technologies. The system is based on the dual redundant architecture of CAN bus and industrial Ethernet ring network. The core of the system is ARM processor LPC2294 and embedded operating system 渭 C / OS- 鈪,
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