针对目前中小型煤矿提升机变频调速系统稳定性差、故障发生率高、能耗较多等诸多不足,提出了一种使用PLC与变频器相结合实现的新型煤矿提升机控制方案,对传统提升机调速系统进行改造,完成后系统运行稳定可靠、节能显著。 Aimed at the problems of poor stability, high failure rate and high energy consumption of the small and medium-sized coal mine elevator frequency control system, a new coal mine hoist control scheme using PLC and frequency converter is proposed. Machine speed system transformation, after the completion of the system is stable and reliable, significant energy saving.