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    • 2. 发明申请
    • PROJECTION APPARATUS AND COOLING DEVICE THEREOF
    • 投影装置及其冷却装置
    • US20100309441A1
    • 2010-12-09
    • US12769148
    • 2010-04-28
    • Chun-Chieh WANGRen-Chun CHANGWei-Zhi LIN
    • Chun-Chieh WANGRen-Chun CHANGWei-Zhi LIN
    • G03B21/16
    • G03B21/16H04N9/3144
    • A cooling device applied in a projection apparatus and the projection apparatus are provided. The projection apparatus comprises a first light source, a second light source, a third light source and the cooling device. The cooling device comprises an airflow guiding device and a fan. The airflow guiding device is adapted to define a first flow path and a second flow path. The first flow path has a first position, while the second flow path has a second position and a third position, correspondingly disposed with the first light source, the second light source and the third light source, respectively. The fan is adapted to generate airflow. The airflow is divided into a first airflow and a second airflow entering the first flow path and the second flow path, respectively. Thereby, the cooling device is capable of matching the heat dissipation requirements of the light sources and reducing the noise generated by the cooling device by using only one fan.
    • 设置在投影装置中的冷却装置和投影装置。 投影装置包括第一光源,第二光源,第三光源和冷却装置。 冷却装置包括气流引导装置和风扇。 气流引导装置适于限定第一流动路径和第二流动路径。 第一流路具有第一位置,而第二流路具有分别与第一光源,第二光源和第三光源相对应设置的第二位置和第三位置。 风扇适合产生气流。 气流分别分为进入第一流路和第二流路的第一气流和第二气流。 因此,冷却装置能够通过仅使用一个风扇来匹配光源的散热要求并降低由冷却装置产生的噪声。