Patent ID: 8322861
Filing Date: 2012-12-04
Classification: F21V,G03B

Abstract:
1. A lamp source module, comprising: a holder having an air inlet and an air outlet; a gas discharge lamp having a lamp reflector assembled on the holder and a burner disposed in the lamp reflector; a light cover assembled on the holder and surrounding the lamp reflector; a blower duct communicating with the air inlet and extending along an exterior of the lamp reflector to a bottom of the lamp reflector; and an airflow generator communicating with the blower duct and capable of providing a cooling airflow, wherein the air inlet is capable of causing the cooling airflow to enter the blower duct, and the blower duct is capable of directing the cooling airflow to the bottom of the lamp reflector to make the cooling airflow pass through a sandwiched space surrounded by the lamp reflector and the light cover and then discharge from the air outlet.