公开(公告)号：US08616707B2

公开(公告)日：2013-12-31

申请号：US13013582

申请日：2011-01-25

申请人： Yasunaga Miyazawa ,  Yoshitaka Itoh ,  Toshihiko Sakai ,  Katsuhiro Matsuyama ,  Yasuteru Miyaoka

发明人： Yasunaga Miyazawa ,  Yoshitaka Itoh ,  Toshihiko Sakai ,  Katsuhiro Matsuyama ,  Yasuteru Miyaoka

IPC分类号： G03B21/26

CPC分类号： G03B21/16

摘要： A projector includes: a housing; an optical element accommodated in the housing; and an air supply unit configured to generate a flow of cooling air for cooling a cooling target element including the optical element, a dustproof area into which the cooling air can be introduced from the outside of the housing via a dustproof filter is formed inside the housing, the optical element is accommodated in the dustproof area of the housing, and the air supply unit includes a first air supply unit configured to introduce the cooling air from the outside of the housing to the dustproof area via the dustproof filter, and a second air supply unit accommodated in the dustproof area and configured to supply the cooling air introduced to the dustproof area by the first air supply unit toward the optical element.

摘要翻译： 投影机包括：外壳; 容纳在所述壳体中的光学元件; 以及空气供给单元，其构造成产生用于冷却包括所述光学元件的冷却目标元件的冷却空气流，所述外壳的内部形成有可以通过防尘过滤器从所述壳体的外部引入所述冷却空气的防尘区域 所述光学元件被容纳在所述壳体的防尘区域中，所述空气供给单元包括：第一空气供给单元，其经由所述防尘过滤器将所述冷却空气从所述壳体的外部导入所述防尘区域;第二空气 供给单元容纳在防尘区域中，并且构造成将由第一空气供给单元引入防尘区域的冷却空气朝向光学元件供给。