Patent ID: 8044592
Filing Date: 2011-10-25
Classification: F21K,F21V,F21Y,H01J,Y10S

Abstract:
1. A heat dissipating structure for a lamp, comprising: at least an illuminating element mounted on a lamp base, which is engaged with a metal housing of great heat conducting capability, wherein between the metal housing and the lamp base, a ring-shaped coil comprising a primary winding and a secondary winding wound on a ring iron core is mounted, the ring iron core comprises an inner space for accommodating plural electronic components connected with the secondary winding, the secondary winding of the ring-shaped coil is electrically connected with the illuminating element and the primary winding of the ring-shaped coil is electrically connected with a metal base, and the metal base is electrically connected to a power source, so that through a conduction of the metal base, the primary winding of the ring-shaped coil acquires an input electricity and the secondary winding of the ring-shaped coil provides a DC electricity to the illuminating element for operation.