LED LED STREET LIGHT WITH AIR PURIFICATION SYSTEM WITH AUTOMATIC FILTER CLEANING

摘要

The present invention relates to a streetlight capable of reducing a fine dust concentration in air. More specifically, a head body of an LED streetlight is divided into a front body on which an LED PCB and a heat radiation unit are arranged and a rear body having a pole arm coupling unit, and includes a lower cover covering the front body and the rear body from below and having an LED module arranged on one side thereof. An air outlet is formed through an upper surface of the rear body. The lower cover includes a fine dust sensor installed on one side thereof and an air inlet formed at a position corresponding to the air outlet. An air purification system is arranged between the air outlet and the air inlet (132). The air purification system includes: a blowing fan installed directly below the air outlet; and a fine dust filtering means installed between the blowing fan and the air inlet. The fine dust filtering means includes: a filter unit; a brush unit to relax fine dust caught on a filter of the filter unit; and an operating unit to cause friction between the brush unit and the filter unit. The blowing fan of the air purification system is operated in an air purification mode to be rotated forwards by a control unit if a fine dust concentration sensed by the fine dust sensor is higher than or equal to a set value.