Frequency conversion cabinet capable of maintaining low-temperature dry operation environment therein

The utility model discloses a frequency conversion cabinet capable of maintaining a low-temperature dry operation environment in the cabinet, which comprises a cabinet body, bottom feet arranged at the bottom end of the cabinet body, a door plate arranged on the front surface of the cabinet body, an observation window arranged on one side of the cabinet body, a condensation box arranged on the back of the cabinet body, a temperature controller arranged at the upper end of the condensation box, and a refrigeration rod arranged at the bottom end of the temperature controller and penetrating through the inner wall of the condensation box. A water pump is arranged at the bottom end in the condensation box, a water inlet pipe is arranged at the upper end of the water pump, one end of the water inlet pipe penetrates through the inner wall of the cabinet body to be provided with a condensation pipe, one end of the condensation pipe penetrates through the inner wall of the cabinet body to extend into the condensation