LED (light-emitting diode) ceiling lamp

• Main Author: LIU RONGBIN
• Format: Patent
• Language: Chinese; English
• Published: 07.11.2012
• 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 an LED (light-emitting diode) ceiling lamp which comprises a cylindrical radiator, and a circular lower end cover connected with the transparent lamp shade in a clamping manner, wherein the outer surface of the upper part of the circular lower end cover is connected with the inner surface of the lower part of the cylindrical radiator, limiting sheets are fixed at two sides of the peripheral surface of the cylindrical radiator, a top wall is arranged at the cylindrical radiator, a circular bump is arranged below the top wall, a wire leading hole communicating to the upper end surface of the top wall is formed in the middle of the bump, a plurality of guide holes are formed on the peripheral surface of the radiator around the bump and the top wall, a PCB (Printed Circuit Board) with a plurality of LED luminous bodies is arranged on the lower end surface of the bump, and the PCB penetrates through the wire leading hole through a wire and is connected with an LED driving circuit arrang