Water pump unit protection device

The utility model discloses a water pump unit protection device which comprises a high-voltage power distribution room, a central control room and a water taking pump room, a comprehensive protection device and a vacuum circuit breaker are arranged in the high-voltage power distribution room, the comprehensive protection device is in circuit connection with the vacuum circuit breaker, and the comprehensive protection device is used for controlling opening and closing of the vacuum circuit breaker; a controller is arranged in the central control room, and the comprehensive protection device is electrically connected with the controller; a control cabinet, a power station and a water pump unit are arranged in the water taking pump room, the power station is electrically connected with the control cabinet and the water pump unit, and the vacuum circuit breaker is further in circuit connection with the water pump unit. When the valve is shut down due to sudden failure or an external power supply loses power, the