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    • 90. 发明申请
    • COOLING SYSTEM AND METHOD FOR COOLING RADIO UNIT
    • 冷却系统和冷却无线电单元的方法
    • WO2013167203A1
    • 2013-11-14
    • PCT/EP2012/058812
    • 2012-05-11
    • HUAWEI TECHNOLOGIES CO., LTD.SHI, JianHAWORTH, StephenZHANG, Yi
    • SHI, JianHAWORTH, StephenZHANG, Yi
    • H04B1/036H01L23/467
    • H01L23/467H01L23/3672H01L2924/0002H04B1/036H01L2924/00
    • The invention relates to a cooling system (2) for cooling at least one heat generating radio unit (4, 6, 8) in an active antenna system unit (10), the cooling system (2) comprising at least one fan (12) and an air duct (14), where each heat generating radio unit (4, 6, 8) to be cooled by the cooling system (2) is arranged connected to a heat sink unit (16, 18, 20) comprising cooling fins (22, 24, 26, 28, 30, 32), the heat sink unit (16, 18, 20) being arranged to transfer heat between the radio unit (4, 6, 8) and the ambient air (34), where the at least one fan (12) is arranged to generate a primary air flow (33) of ambient air (34) in the air duct (14) between at least one air duct inlet (36)and at least one air duct outlet (38), where the air duct (14) is arranged to extend in the longitudinal direction (A) of the active antenna system unit (10) along each of the said heat sink units (16, 18, 20) and to border on each of the said heat sink units (16, 18, 20) where the primary air flow (33) generated in the air duct (14) is arranged to flow substantially in the longitudinal direction (A) of the active antenna system unit (10) and is further arranged to generate a secondary air flow (35) of ambient air (34) over a number of cooling fins (22, 24, 26, 28, 30, 32) of each of the said heat sink units (16, 18, 20), where the cooling fins (22, 24, 26, 28, 30, 32) are arranged oriented at an angle with respect to the longitudinal direction (A) of the active antenna system unit (10). The invention also relates to a method for cooling at least one heat generating radio unit (4, 6, 8) in an active antenna system unit (10).
    • 本发明涉及一种用于冷却有源天线系统单元(10)中的至少一个发热无线电单元(4,6,8)的冷却系统(2),所述冷却系统(2)包括至少一个风扇(12) 和冷却系统(2)所冷却的每个发热无线单元(4,6,8)的散热通道(14)被连接到散热单元(16,18,20),该散热单元包括散热片( 22,24,26,28,30,32),所述散热单元(16,18,20)被布置成在所述无线电单元(4,6,8)和所述环境空气(34)之间传递热量,其中 至少一个风扇(12)布置成在至少一个空气管道入口(36)和至少一个空气管道出口(38)之间产生空气管道(14)中的环境空气(34)的主要空气流(33) ),其中空气管道(14)布置成沿着每个所述散热器单元(16,18,20)沿有源天线系统单元(10)的纵向方向(A)延伸并且在每个 所述散热单元(16,18,20),其中所述一次空气流 在空气管道(14)中产生的气体(33)被布置成基本上在有源天线系统单元(10)的纵向方向(A)上流动,并且还被布置成产生环境空气的二次空气流(34) )在每个所述散热单元(16,18,20)的多个散热片(22,24,26,28,30,32)上,其中所述散热片(22,24,26,28,30) ,32)相对于有源天线系统单元(10)的纵向方向(A)成一定角度排列。 本发明还涉及一种用于冷却有源天线系统单元(10)中的至少一个发热无线电单元(4,6,8)的方法。