Ceiling lamp with small-power LED energy-saving lamp bulb

• Main Author: YANG WENHAI
• Format: Patent
• Language: Chinese; English
• Published: 25.09.2013
• Subjects: BLASTING; 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; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

The utility model discloses a ceiling lamp with a small-power LED energy-saving lamp bulb. The ceiling lamp comprises a ceiling lamp shell, a lamp cover, a bottom board and a lamp holder and is characterized in that the ceiling lamp shell is fixed on the bottom board, the lamp cover covers the ceiling lamp shell, the lamp holder is arranged on the bottom board, the lamp holder is provided with the lamp bulb comprising a lamp cap and an outer lamp shell, an aluminium lamp board is arranged inside the outer lamp shell, the aluminium lamp board is provided with plural LED lamps and a PCB, the PCB is provided with an LED driver chip, and the LED lamps are connected with LED driver chips. An outer glass cover covers the aluminium lamp board, air holes are formed in the side face of the bottom of the outer glass cover, and the bottom board is provided with convection air holes. The lower portion of the aluminium lamp board is connected with a heat pipe. Refrigerant media in the heat pipe are utilized as cooling med