Direct-indirect composite water-cooling conical permanent magnet linear synchronous motor and cooling method

The invention relates to a direct-indirect composite water-cooling conical permanent magnet linear synchronous motor and a cooling method, the direct-indirect composite water-cooling conical permanent magnet linear synchronous motor comprises a primary structure and a secondary structure which are matched with each other, the primary structure comprises a primary iron core, a winding coil and a shell, the primary iron core is arranged in a V shape, tooth grooves are formed in the primary iron core, the winding coil is nested in the tooth grooves, and the shell is of a semi-coated structure; a plurality of straight-through water channels are formed in the shell, the straight-through water channels are arranged along the side wall and the inner wall of the shell, the secondary structure comprises a supporting structure, a secondary iron core and a permanent magnet, the supporting structure serves as a standard, the side, facing the primary structure, of the supporting structure is in a V-shaped concave shape an