Temperature measuring device for ventilation motor of hydraulic power plant

The invention discloses a hydraulic power plant ventilation motor temperature measuring device, and relates to the field of hydropower stations, the hydraulic power plant ventilation motor temperature measuring device comprises a measuring unit, the measuring unit comprises a shell, a control door arranged at one end of the shell, an accommodating cavity arranged in the shell, a thermal expansion and cold contraction pipe arranged on the shell, a temperature measurer arranged in the accommodating cavity, and a temperature sensor arranged in the accommodating cavity; the rotating unit comprises a pushing piece arranged in the thermal expansion and cold contraction pipe, a transmission gear arranged on the inner wall of the containing cavity and a switch assembly arranged in the containing cavity, the control door is rapidly opened under the condition that the temperature of the motor is abnormally increased, and inspection workers can rapidly conduct processing while heat dissipation is conducted; the ventilat