Dust removal, heat dissipation and dehumidification device for voltage transformer cabinet and use method of dust removal, heat dissipation and dehumidification device

The invention relates to the technical field of electrical maintenance, in particular to a dust removal, heat dissipation and dehumidification device for a voltage transformer cabinet and a use method of the dust removal, heat dissipation and dehumidification device. Comprising a voltage transformer cabinet, an air cooler, a cooling fan, a compressor, a refrigerant transmission pipeline, a heat exchanger, a PLC, a circulating fan, an air filter, a U-shaped pipe, a condensate water storage tank, a moisture absorber, a temperature and humidity detector, an instrument compressed air source, a plurality of ventilation pipes and a plurality of data lines. The dust removal, heat dissipation and dehumidification device designed by the invention is convenient for executing dust removal, heat dissipation and dehumidification functions of the voltage transformer cabinet, and has the characteristics of high automation degree, high reliability and low maintenance workload; the device is suitable for dust removal, heat di