Phase-change radiating structure of combined low-melting-point alloy

The invention provides a phase-change radiating structure of combined low-melting-point alloy. The phase-change radiating structure comprises a natural convection radiating structure, a combined phase-change energy storage structure and a uniform radiating structure; the natural convection radiating mechanism comprises a copper plate, and a plurality of copper tube type pin fin structures are fixed on the copper plate; the combined phase-change energy storage structure comprises a PCM structure combination which can be singly dismounted and has three different melting point temperatures; an oval radiating circular tube is arranged in the uniform radiating structure, a viscosity detector is arranged on the radiating circular tube, and the viscosity detector is connected with an electromagnetic pump. At the early work stage of the electronic equipment, the uniform radiating structure is molten to absorb heat, the PCM in the uniform radiating structure reaches a flowing state along the increasing of the heat pro