LED Street Lamp For Adjusting An Irradiation Angle

摘要

The present invention relates to a streetlight lamp capable of adjusting the angle of illumination of an LED module capable of adjusting an angle of an LED module within a lamp housing of a streetlight lamp without easily changing the design or structure of the entire streetlight lamp . According to an embodiment of the present invention, there is provided a lamp lighting device comprising a street lamp, a connection arm extended horizontally at an upper portion of the street lamp, and a lamp housing connected to an end of the connection arm, Wherein the LED module includes two guide pieces formed parallel to one another so as to protrude vertically downward from the other end of the lower portion of the LED module, A fixed frame fixed to a surface of the LED module and hinged to a lower portion of one end of the LED module; A bolt head and a bolt head fixed to the lower surface of the lamp housing, the bolt head having a bolt head and a screw thread, the body being vertically positioned in the lamp housing, And a plurality of guide grooves formed on the other end of the nut to be engaged with the guide grooves of the other end of the LED module, A regulating device is constituted.