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    • 99. 发明授权
    • Electronic apparatus
    • 电子仪器
    • US08400769B2
    • 2013-03-19
    • US12895473
    • 2010-09-30
    • Kentaro TomiokaTakeshi HongoYukihiko Hata
    • Kentaro TomiokaTakeshi HongoYukihiko Hata
    • H05K7/20
    • H05K7/20336
    • According to one embodiment, an electronic apparatus includes a housing provided with air intake holes, a circuit board contained in the housing, with a heat producing component mounted on the circuit board, a heat sink contained in the housing, and a fan which sends cooling air to the heat sink in the housing, and includes a fan casing and an impeller contained in the fan casing. The fan casing includes a first suction port and a second suction port which face each other with the impeller inserted therebetween, and an exhaust port which faces the heat sink. The first suction port communicates with the air intake holes of the housing. The second suction port comprises an open area which faces the heat producing component in the housing, and another open area which is open to inside of the housing at a position deviated from the circuit board.
    • 根据一个实施例,一种电子设备包括:壳体,其具有进气孔,容纳在壳体中的电路板,安装在电路板上的发热部件,容纳在壳体中的散热器和发送冷却的风扇 空气到壳体中的散热器,并且包括容纳在风扇壳体中的风扇壳体和叶轮。 所述风扇壳体包括第一吸入口和第二吸入口,所述第一吸入口和第二吸入口在所述叶片插入其间彼此面对,以及与所述散热器相对的排气口。 第一吸入口与壳体的进气孔连通。 第二吸入口包括面对壳体中的发热部件的开口区域和在偏离电路板的位置处对壳体内部开口的另一开口区域。