LED street lamp lens device

Abstract

The invention relates to an LED street lamp lens device which comprises a base and an elliptical column body protruding from the base, wherein, the end of the base without the elliptical column body is dented to form an elliptical hollow part, the elliptical hollow part forms a semi-cylinder-shaped space by inwardly denting towards the elliptical column body, the axial direction of the semi-cylinder-shaped space is vertical to the direction of long axis of the elliptical hollow part, and the elliptical column body comprises a ring-shaped side wall, convex sides that are respectively and smoothly abut against the ring-shaped side wall in a transition way, and concave sides arranged among the convex sides. By adopting the LED street lamp lens device provided by the invention, the round lighting of the whole LED point light source is transformed to be uniform strip giant-scale lighting, so that an LED street lamp can provide uniform lighting along the extending direction of the street, and no waste and pollution of light exists at the roadside and house side, thus the light can be reasonably distributed and the effective utilization rate of light can be improved.

Description

technical field [0001] The invention relates to the field of LED lighting, in particular to a secondary optical lens for LED lighting, and more particularly to an LED street lamp lens device. Background technique [0002] Under the theme of the new era of environmental protection and energy saving, the new light source - high-power LED lighting is becoming more and more popular in the world. High-power LED lighting technology has the advantages of unique quality, environmental protection, energy saving, and long life. Lighting fixtures have brought about a huge revolution in human history. [0003] As a new application field, LED new light source has its own excellent quality, but in the application of lighting field, it still has its limitations and needs to be improved in replacing traditional sodium lamps and fluorescent lamps. For example, due to the small size of the LED light source, the light-emitting surface is small, and the directionality of its light emission als...

AI Technical Summary

Problems solved by technology

[0007] The invention has the advantages that: the LED street lamp lens device greatly improves the distribution effect of the LED point light source, makes full use of the light source and improves the uniformity of illumination on the ground, and solves the technology of LED as a new type of lighting source light glare and uneven distribution problem

Images