Patent ID: 7901085

Claim:
A projection apparatus, comprising: a casing, having an air outlet and an air inlet; a lamp module, disposed in the casing, comprising: a frame; a first fan, disposed on the frame, for providing a cooling airflow; a plurality of light sources, for providing a light beam; and a wind guiding device, disposed between the first fan and the frame, and comprising a baffle disposed on a flow path of the cooling airflow for dividing the cooling airflow into a plurality of cooling sub-airflows for cooling the light sources respectively, wherein the wind guiding device comprises a carrying surface connecting the first fan and a connecting surface connecting the frame, the carrying surface is not parallel to the connecting surface, and an axis of the first fan defines an angle with a light axis of at least one of the light sources; an imaging system, received in the casing, and disposed on a transmission path of the light beam; and an optical engine, received in the casing, disposed on the transmission path of the light beam, and positioned between the lamp module and the imaging system.