High illumination LED (light-emitting diode) streetlight for narrow road condition

• Main Authors: DU WEIPING, ZHOU QIAOFENG, REN FEI, LI YANG, SONG BOYU, SUN XIAOLI, YANG MINGXUN, YU SHUANG, GAO AI, LI YANCHAO, XIAO ZHIGUO, GUO XINSHAN
• Format: Patent
• Language: Chinese; English
• Published: 20.03.2013
• 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 a high illumination LED (light-emitting diode) streetlight for narrow road condition and comprises a lens, an LED light source and a streetlight housing of reflector, wherein the streetlight housing of reflector is a shallow-shaped streetlight housing of reflector. The high illumination LED streetlight for narrow road condition is characterized in that the lens comprises a base, an incident optic curved surface and an exit optical curved surface; the base is equipped with circular notch and location column and is further provided with elliptical groove, wherein the sections of the long axis and the short axis of the internal curved surface of the elliptical groove is incident optic curved surface of the optic parabola; the exit optic curved surface of the lens is aspheric convex surface; light emitting angle of the long axis direction of the exit optic curved surface is 144 degrees, of the short axis direction is 47 degrees, and the polarized angle is 35 degrees; the lens of the LE