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    • 4. 发明授权
    • Air-cooling apparatus for a projection television
    • 投影电视的空气冷却装置
    • US6040877A
    • 2000-03-21
    • US66873
    • 1998-04-28
    • Jong-ho Won
    • Jong-ho Won
    • H04N5/74
    • H04N9/3141
    • An air-cooling apparatus for a projection television is disclosed. The projection television includes a front casing forming an external appearance of a body of the projection television and having a screen installed therein. A rear casing is coupled to the front casing and has a reflection mirror installed therein. A base is integrally formed at a lower portion of the front casing and has an opening and defines a space below the opening. A blowing duct is installed above the opening in the base, and an image projector is installed above the blowing duct and has heat emitting elements including a beam source, dichroic mirrors, a liquid crystal panel and a projection lens therein. A distributing member is disposed within the space and cooperates with the blowing duct so as to distribute air blown by the blowing duct to the heat emitting elements. Thus, according to the present invention, the heat emitting elements disposed in the image projector of the projection television can be concentratedly air-cooled so that the heat emitting elements are prevented from being over-heated. Also, the internal structure of the projection television can be simplified.
    • 公开了一种用于投影电视的空气冷却装置。 投影电视机包括形成投影电视机体的外观并安装有屏幕的前壳体。 后壳体连接到前壳体并且具有安装在其中的反射镜。 基座一体地形成在前壳体的下部并且具有开口并限定开口下方的空间。 吹风管安装在基座上的开口上方,并且图像投影仪安装在吹风管上方,并具有包括光源,二向色镜,液晶面板和投影透镜的发热元件。 分配构件设置在空间内并与吹风管道配合,以将由吹风管吹送的空气分配到散热元件。 因此,根据本发明,设置在投影电视机的图像投影仪中的发热元件可以集中空气冷却,从而防止发热元件过热。 此外,投影电视机的内部结构也可以简化。