设计基于PLC控制的煤矿井下变频排水系统,同时利用上位机组态软件进行实时监控管理,本设计具有自动化、节能、安全和高品质的排水质量和控制的高可靠性等优点,井下排水调试运行证明完全能够实现随井下水量变化而改变排水量的要求,同时采用变频技术可大大减少运行成本。 The design of coal mine frequency conversion water drainage system based on PLC control and the real-time monitoring and management of PC software are carried out. The design has the advantages of automation, energy saving, safety and high quality of drainage and high reliability of control. The underground drainage debugging operation It is proved that the requirement of changing displacement with the underground water volume can be fully realized, and the frequency conversion technology can greatly reduce the operating cost.