Speed regulation practical training examination device for silicon controlled rectifier direct current motor

The utility model discloses a silicon controlled rectifier direct current motor speed regulation practical training examination device which comprises a box body, a box cover is hinged to the edge of the open end of the box body, and an operation panel is arranged on the inner wall of the box body. The operation panel is provided with a connection port, an incandescent lamp, a fault practical training switch, a speed regulation knob, a drive pulse output test port, a leakage protection circuit breaker and a motor connection port, and a fault protection cover of a hollow structure is hinged to the operation panel and located above the fault practical training switch. According to the utility model, through the fault protection cover with the hollow structure, a closed and safe protection structure can be formed above the fault practical training switch, so that the fault practical training switch is in an independent position state, and the fault practical training switch can be separated from other functional