Precise light distribution structure of wall washing lamp

• Main Authors: ZHONG LAIFENG, DONG FAQUN
• Format: Patent
• Language: Chinese; English
• Published: 07.12.2021
• Subjects: BLASTING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; 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 accurate light distribution structure of a wall washer lamp, which comprises a section bar, a lamp panel, a lens and glass, the lamp panel is installed in a cavity of the section bar, the lens is installed on the lamp panel, the glass is installed on an opening of the cavity where the lens is located in a covering mode, the lower side of the lens is provided with a light inlet groove, and the light inlet groove is communicated with the light inlet groove. The light inlet groove is provided with three vertical inner side walls which form an isosceles triangle in a surrounding mode, the vertex angle of the vertical inner side walls faces the front side of the lens, the upper side of the lens is provided with an ellipsoidal light outlet face in a protruding mode, and the light outlet face comprises a front light outlet face and a rear light outlet face which extend along the lens in a left-right smooth transition mode. And the curvature of the front light-emitting surface is greate