LED street lamp with adjustable color temperature

• Main Authors: ZHAO ANLING, XU WANBIN, ZHEN CHAO, DONG CUNGUO, YUAN ZHENG
• Format: Patent
• Language: Chinese; English
• Published: 14.07.2023
• 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; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO USESOR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS; 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 belongs to the field of street lamps, and provides a color temperature adjustable LED street lamp which comprises a base, a steel pipe stand column, a mounting base, a lighting assembly, a controller and a power box, the lighting assembly comprises a top disc and a bottom disc, a straight-barrel-shaped transparent cover is arranged between the top disc and the bottom disc, and a lighting support is arranged on the inner side of the transparent cover. The lighting support comprises a connecting plate, a core column and two V-shaped lamp holders, two rows of mounting holes are formed in the upper side and the lower side of each lamp holder, LED warm white lamp tubes are arranged in one row of mounting holes, LED cold white lamp tubes are arranged in the other row of mounting holes, and the LED warm white lamp tubes and the LED cold white lamp tubes on the two lamp holders are distributed diagonally. The lamp holder is provided with two pairs of electrodes electrically connected with the LED wa