Power conversion device and refrigeration equipment

The utility model discloses an electric power conversion device and refrigeration equipment, the electric power conversion device is suitable for converting an input alternating current power supply into a direct current power supply so as to supply power to a compressor of the refrigeration equipment, and the electric power conversion device comprises a conversion bridge which comprises a plurality of components and is provided with an input end and an output end; the inductor is connected between an alternating current power supply and the input end; the capacitor is connected to the output end and is suitable for carrying out voltage stabilization processing on the output voltage of the conversion bridge so as to provide a direct-current power supply; and the controller is configured to determine a temperature slope according to the temperature information and control the switching tubes in the plurality of components according to the temperature slope so as to switch working modes of the conversion bridge, and the working modes of the conversion bridge comprise a discontinuous conduction mode and a continuous conduction mode. According to the device, the working mode of the conversion bridge can be switched according to the temperature slope of the indoor environment, the room temperature can be accurately tracked, the comfort of the indoor environment is improved, and the efficiency can be improved.