STREET LIGHT LAMP WHICH HAS AN AIR COOLING STRUCTURE CAPABLE OF REDUCING LIGHT TRANSLATIONAL ENERGY

摘要

PURPOSE: A street light lamp is provided to extend the lifespan of a street light lamp by cooling the operation usage temperature environment of a street light lamp using an air cooling method. CONSTITUTION: A street light lamp(9) is built in a street light lamp head part. The street light lamp head part is arranged on the top of a street light pillar. The street light lamp has an air cooling structure. Several air channels(17) are formed in the outer peripheral surface of a street light lamp heat part case(5). A diaphragm(25) blocks up the inflow of rainwater or the water drop to the air channel. The air circulation between external air and internal air are conducted through the air channel.