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矿井排水设施是煤矿安全生产中不可缺少的设备和设施 , 担负着排出井下涌水的重要任务 , 排水系统的可靠运行是保证矿井安全生产的关键环节。杜儿坪矿针对井下中央水泵房控制系统存在电气化程度低，能耗过大，控制效果不理想的缺点，为有效解决上述问题，实现矿井排水设备自动化控制，基于 PLC 变频控制器设计了一种煤矿井下自动排水设备控制系统。该系统以全面实现排水设备自动化、控制系统更优化、节能为目标，借助对排水方案的改进，进行时间上的优化，从而降低能耗，对矿井排水作业质量和综合效益的提升起到了积极作用。“,”mine drainage facilities are indispensable equipment and facilities in coal mine safety production, which shoulder the important task of discharging underground water. The reliable operation of drainage system is the key link to ensure mine safety production. Duerping mine has the disadvantages of low electrification, large energy consumption and unsatisfactory control effect in the control system of underground central water pump room. In order to effectively solve the above problems and realize the automatic control of mine drainage equipment, a control system of mine automatic drainage equipment is designed based on PLC frequency converter controller. The goal of the system is to realize the automation of drainage equipment, optimize the control system, and save energy. With the improvement of drainage scheme, the system optimizes the time, so as to reduce energy consumption and bring higher economic benefits to related enterprises. Combined with the above and industry prospects, it is necessary to reform the automatic control of mine drainage equipment.