Heat dissipation device of direct-current converter

The invention belongs to the technical field of power equipment, particularly relates to a heat dissipation device of a direct-current converter, and provides a heat dissipation device of a direct-current converter. The heat dissipation device comprises a direct-current converter body, a shell and a heat exchange assembly, wherein the heat exchange assembly is used for heat dissipation of the direct-current converter, the shell is provided with an opening side, the direct-current converter body is arranged in the shell, one end face of the direct-current converter is correspondingly connectedwith the opening side, the heat exchange assembly is detachably arranged on the inner side wall of the shell, and a flowing cooling media are arranged in the heat exchange assembly. The heat dissipation device of the direct-current converter solves the problems that in the prior art, a heat dissipation device of a direct-current converter is low in cold supply efficiency and cannot be detached tobe cleaned. 本发明属于电力设备技术领域，