This invention relates to a kind of ultraviolet sterilization device,It mainly includes a coupler,The coupler comprises a reflecting cavity and a collimating lens at the front end of the reflecting cavity,A ultraviolet light source is arranged in the reflection cavity,At least one optical fiber is arranged at one end of the coupler,In this way, the ultraviolet light is focused into a parallel light beam through the collimating lens and output to the optical fiber,And a beam concentrator is arranged at the end of the optical fiber,A light equalizer is arranged at the front end of the beam concentrator；In this way,High density light spots are formed by combining optical fibers,The light spot is enlarged by the light equalizer,Using uniform linear light source and expanding sterilization area,It can effectively kill bacteria in a long distance,Make it more practical and effective in application.本創作係有關於一種紫外線殺菌裝置，其主要包含有一耦合器，所述耦合器包含一反射腔體及位於所述反射腔體前端的準直透鏡，所述反射腔體內設有一紫外線發光源，再於耦合器一端設有至少一光纖，以讓紫外光線經準直透鏡聚焦成一束平行光線輸出於光纖，再於所述光纖端部設置一集束器，於所述集束器前端設有一均光器；藉此，透過光纖合束成密度高的光點，再經所述均光器擴大光點，以均勻線光源並擴大殺菌區域，達到可對遠距離進行有效的殺菌功效，令其整體在施行使用上更增實用功效特性者。
