Heat radiating device of high-power LED (light-emitting diode)

The invention discloses a heat radiating device of a high-power LED (light-emitting diode), which comprises a high-power LED lamp base, a metal cover plate and a metal base plate, wherein the high-power LED lamp base is installed on the metal cover plate; the metal cover plate and the metal base plate are connected together; the metal base plate is provided with a compensation chamber for storing working media; capillary cores are embedded on one contacted surface of the metal base plate and the metal cover plate and a plurality of condensation part balanced groove channels are etched on the contacted surface of the metal base plate and the metal cover plate; a plurality of steam groove channels are etched on the contacted part of the metal cover plate and the capillary cores; fin groups are installed on the corresponding parts of the condensation part balanced groove channels of the metal base plate; and groove channels are etched between the steam groove channels and the condensation part balanced groove ch