Humidity control method of refrigeration equipment

The invention provides a humidity control method of refrigeration equipment, which comprises the following steps: acquiring a compressor starting signal, an average value of integral humidity values of the first N working cycles of a compressor, and a control humidity adjusting coefficient delta RH, N being an integer greater than zero; if CRH-RHset is smaller than or equal to 5%, delta RH is set to be kept unchanged relative to the previous working period of the compressor; if | CRH-RHset | > 5%, delta RH is set to be increased or decreased relative to the previous working period of the compressor; wherein the RHset is the preset humidity; a compressor and an evaporation fan are controlled to be started in sequence; a relative humidity value rhi in the refrigeration chamber is obtained at a preset time interval, and a dynamic integral humidity value RHi in the refrigeration chamber is calculated according to the relative humidity value rhi; a compressor shutdown signal is obtained, and the compressor is cont