LED light source rail car headlamp

• Main Authors: WANG ZHAOXIA, GE HECHUAN, SUN LIFAN, LI FENGTIAN, ZHOU ZHANGYU
• Format: Patent
• Language: English
• Published: 13.05.2015
• 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; 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 discloses an LED light source rail car headlamp which comprises a cubic lamp body and an LED heat-radiating plate structure arranged on one side of the lamp body and provided with a transverse groove. A reflect comprising N reflector units identical in focal distance and facial form and a fixing plate is arranged in the cubic lamp body, an LED light source is arranged in each reflector unit in the reflector, the reflector units are all arranged on the fixing plate in a square array manner, each reflector unit is provided with a round opening, and reflection surface of each reflector unit is a rotating paraboloid. The LED light source rail car headlamp is of a unique cubic structure, thereby being convenient for modularized combination, convenient to mount and use and suitable for lighting of various rail cars.