Overvoltage protection device for overvoltage cable treatment

The utility model discloses an overvoltage protection device for overvoltage cable treatment, which comprises a box body, an air inlet cooling box arranged on one side of the box body, a partition plate arranged on the upper portion inside the box body, a fan arranged above the partition plate, a water tank arranged inside the air inlet cooling box, a water pump arranged on one side of the water tank, and a water outlet arranged on the other side of the water tank. The water pump is communicated with the water tank through a connecting pipe, the U-shaped cooling pipe is arranged in the air inlet cooling box, the two ends of the U-shaped cooling pipe are communicated with the water pump and the water tank respectively, a dustproof air inlet cylinder is arranged on one side of the U-shaped cooling pipe, and one side of the dustproof air inlet cylinder penetrates through and extends to the outside of the air inlet cooling box. According to the overvoltage protection device for overvoltage cable management, the f