Magnetic refrigeration device

A magnetic refrigeration device, comprising:

• a first assembly;
• and
• a second assembly, wherein the second assembly is an annular assembly, the first assembly is located on a radial outer side or a radial inner side of the second assembly, the first assembly is a first magnet assembly, the second assembly is provided with an air gap space capable of accommodating a magnetic working medium bed in a circumferential direction, the second assembly is provided with a plurality of annular segments arranged at intervals in the circumferential direction, and the air gap space is arranged between adjacent annular segments of the plurality of annular segments;
• the first assembly is configured to rotate relative to the second assembly, and directions of a magnetic line of force of the first magnet assembly are distributed in a circumferential direction of the annular second assembly;
• wherein the first assembly comprises an outer magnet assembly located on the radial outer side of the second assembly and an inner magnet assembly located on the radial inner side of the second assembly;
• the outer magnet assembly further comprises at least one first outer permanent magnet, at least one first outer soft magnet, and the first outer soft magnet is arranged between two adjacent first outer permanent magnets.