LAMP DEVICE OF A STREET LIGHT

摘要

PURPOSE: A lamp device of a street light with an angle control function is provided to easily control an illumination angle of a light emitting area by constituting a subsidiary reflection plate with one side subsidiary reflection plate and the other side subsidiary reflection plate. CONSTITUTION: A reflection plate(20) of an arch shape is installed inside a body(10). A light emitting part generating light is arranged at an inner side of the reflection plate. A subsidiary reflection plate(40) of the arch shape is installed at the reflection plate to be movable upward and downward. The subsidiary reflection plate is composed of the subsidiary reflection plate installed at an outer circumference of one side of the reflection plate to be movable upward and downward and the other side subsidiary reflection plate(420) installed at the outer circumference of the other side of the reflection plate upward and downward. An up-and-down movement member(50) transfers the subsidiary reflection plate upward and downward.