20120008329 | LED STREET LAMP - A LED street lamp including a housing, a lighting module, a metal base, and a heat dissipating module. The housing includes a bottom shell and a top shell both with openings. The lighting module is arranged in the housing. The heat dissipating module includes a metal base, a plurality of heat pipes, and a plurality of heat dissipating fins. The metal base includes a first plate and a second plate attached together. The first plate is thermally contacted with the lighting module. The heat pipes each have a heat absorbing section and a heat dissipating section. The heat absorbing section is arranged between the first plate and the second plate. The heat dissipating section is extending away from a side of the metal base. The heat dissipating fins are arranged on the heat dissipating sections. Air in the housing can naturally flow upwardly to effectively dissipate operating heat. | 01-12-2012 |