Vacuum phase-change heat-radiation LED (Light-emitting Diode) bulb lamp

• Main Authors: ZHANG JIE, WANG ZULEI, CHEN QITAO
• Format: Patent
• Language: English
• Published: 20.05.2015
• Subjects: BLASTING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED; LIGHTING; MECHANICAL ENGINEERING; NON-PORTABLE LIGHTING DEVICES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

The utility model discloses a vacuum phase-change heat-radiation LED (Light-emitting Diode) bulb lamp, which comprises a lamp cover, an LED light source, an aluminum pressing ring, a silicone gasket, a vacuum phase-change heat radiator assembly, an LED power supply, a power pack and a lamp holder, wherein the LED light source and the aluminum pressing ring are respectively fixed on a bottom plate of the vacuum phase-change heat radiator assembly through screws; the silicone gasket is clamped between the aluminum pressing ring and the bottom plate of the vacuum phase-change heat radiator assembly; a negative and positive power line of the LED light source sequentially penetrates through the aluminum pressing ring, the silicone gasket and the vacuum phase-change heat radiator assembly so as to be connected with a power supply assembly; a line stopping slot is formed in a heat-radiation fin of the vacuum phase-change heat radiator assembly; the LED power supply is arranged in the power pack; the power pack is fixed on the upper end face of the vacuum phase-change heat radiator assembly through screws; the lamp holder is connected with the power pack; an input power line of the LED power supply penetrates through the power pack so as to be connected with the lamp holder. The vacuum phase-change heat-radiation LED bulb lamp adopts the vacuum phase-change heat-radiation mechanism, and is high in heat radiation efficiency, simple and reliable in structure, and attractive in integral appearance.