Patent ID: 7780320
Filing Date: 2010-08-24
Classification: F21S,F21V,F21W,F21Y,Y02B,Y10S

Abstract:
1. A street lamp system, comprising: a hollow lamp post having an air inlet and an air outlet defined therein, and an air flowing channel defined in the lamp post between the air inlet and the air outlet; an illumination device comprising a solid-state light source and a heat dissipation device thermally coupled to the solid-state light source, the illumination device being coupled to the lamp post with the heat dissipation device disposed in the air flowing channel; a wind turbine mechanically coupled to the lamp post to be driven by wind energy to rotate; a connecting shaft mechanically coupled to the wind turbine to be driven by the wind turbine to rotate; a plurality of fan leaves, mechanically coupled to the connecting shaft and disposed in the hollow lamp post to be driven by the connecting shaft to rotate, thereby directing flowing of the air in the channel from the air inlet to the air outlet.