Digital control protection device for electric grounding switch

The utility model discloses a digital control protection device for an electric grounding switch, and relates to the field of protection for the electric grounding switches. The control protection device comprises a micro processor, an instruction receiving circuit, a motor driving circuit, a current detection circuit, a grounding switch position detection circuit and a motor direction conversion circuit, wherein the instruction receiving circuit, the micro processor and the motor driving circuit are connected with one another sequentially and connected with a motor through the output end of the motor driving circuit; the input end of the current detection circuit is connected with the output end of the motor driving circuit; the output end of the current detection circuit is connected with the micro processor; the grounding switch position detection circuit is used for detecting the current position of the grounding switch and sending position information to the micro processor; the input end of the motor direction conversion circuit is connected with the micro processor; and the output end of the motor direction conversion circuit is connected with the motor. The digital control protection device can protect the grounding switch and the motor of the grounding switch in a multi-level manner, and has the characteristic of effective and full protection.