Patent ID: 8517574
Filing Date: 2013-08-27
Classification: F21S,F21V,Y10S

Abstract:
1. A lamp, comprising: a housing having a first compartment, and a first opening on an end thereof and a first protrusion extending outward from a periphery of the first opening; an inner shell adapted to be received in the first compartment and having a second compartment and a second opening on an end thereof, and a second protrusion extending outward from a periphery of the second opening, wherein the first protrusion abuts with the second protrusion such that the first opening is closed by the second protrusion, a separation member abutting against the housing and the inner shell so as to form an air channel between the housing and the inner shell in the first compartment, wherein the separation member is in form of a labyrinth protrusion adapted to separate the air channel into a first air channel and a second air channel, the inner shell further comprises a through-hole allowing the first compartment to communicate with the second compartment; a fan located adjacent to the through-hole and having two air-flowing sides for drawing air in and out of the lamp such that the air is allowed to pass through the through-hole; a heat sink having a bottom plate with one face facing the fan; and a lighting module adapted to be coupled to another face of the bottom plate.