Intelligent monitoring apparatus of mine hoister

The utility model discloses an intelligent mine hoist monitoring device, comprising two parts which are a hardware and a software. A Pt100 thermal resistor is arranged at the opening for temperature testing, 1#, 2# and 3# CT current transformers and 1#, 2# and 3# PT voltage transformers are respectively installed on the A, B and C 3-phase input power cords of the main motor correspondingly; the output shaft of the shaft encoder is frictionally connected with the large side of the roller or directly connected with the output shaft of the roller by engagement, and the output of the shaft encoder is connected with the input interface of a PLC programmable controller by a lead; The Pt 100 thermal resistor, CT current transformer and PT voltage transformer are connected with the analog input port of the PLC programmable controller by a data wire. A display screen is arranged at the upper left part of the cabinet panel of the control display unit, and the PLC is installed in the cabinet. The intelligent monitoring