Frequency conversion refrigerating unit

The utility model discloses a frequency conversion refrigerating unit which comprises a refrigeration house, a refrigeration house door, a frequency conversion device, a frequency conversion device and a control device. The refrigeration house is internally provided with a storage space, and one side of the refrigeration house is provided with a house door rotationally connected with the refrigeration house; the refrigerating unit is used for refrigerating the storage space; the controller is used for controlling the refrigerating unit to start or stop; the door switch is used for detecting opening or closing of the warehouse door; the temperature controller is used for detecting and controlling the internal temperature of the storage space; wherein the controller is electrically connected with the door switch and the temperature controller. By means of the design of the inverter compressor and the pressure sensor, high-power refrigeration is achieved firstly, the set stability is close, then the operation fr