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    • 1. 发明公开
    • Heat transfer in an electronic device
    • 在einer elektronischen Vorrichtung的Wärmeübertragung
    • EP2562807A1
    • 2013-02-27
    • EP11178270.2
    • 2011-08-22
    • ABB Research Ltd
    • Velthuis, RudiEcklebe, AndreasAgostini, Francesco
    • H01L23/373
    • H01L23/373H01L2924/0002H01L2924/00
    • Heat transfer in an electronic device by means of a heat transfer element (2) and the method of preparing such a device. The electronic device comprises at least one heat dissipating component (1) and the heat transfer element (2) has a connection area (3) connected to said at least one heat dissipating component (1). The heat transfer element (2) also has at least one heat dissipating area (4) and including a thermal path from the connection area (3) to the at least one heat dissipating area (4). The heat transfer element (2) further includes carbon fibers (5) arranged along the thermal path. According to an embodiment, the carbon fibers (5) are pitch based carbon fibers and are embedded in a resin. Then, the heat transfer element (2) can provide greater thermal conductivity in the direction (6) along the thermal path compared to the direction perpendicular to the thermal path.
    • 通过传热元件(2)在电子设备中的热传递及其制备方法。 电子设备包括至少一个散热部件(1),传热元件(2)具有连接到所述至少一个散热部件(1)的连接区域(3)。 传热元件(2)还具有至少一个散热区域(4)并且包括从连接区域(3)到至少一个散热区域(4)的热路径。 传热元件(2)还包括沿着热路设置的碳纤维(5)。 根据一个实施方案,碳纤维(5)是沥青基碳纤维,并且嵌入树脂中。 然后,与垂直于热路径的方向相比,传热元件(2)可以沿着热路径沿(6)方向提供更大的导热性。
    • 2. 发明公开
    • Frequency converter
    • 频率转换器
    • EP2299794A1
    • 2011-03-23
    • EP09170419.7
    • 2009-09-16
    • ABB Research Ltd
    • Agostini, FrancescoYesin, BerkAgostini, Bruno
    • H05K7/20
    • H05K7/20936
    • The invention relates to a frequency converter (1) comprising a cooling apparatus for cooling components of said frequency converter (1), said cooling apparatus comprising: a first heat transfer element (9) for receiving a heat load from at least one primary component and a second heat transfer element (8) for receiving fluid flowing through a cooling channel, and for transferring said heat load to the surroundings. In order to obtain an efficient cooling apparatus, said cooling apparatus comprises a third heat transfer element (12) for transferring a heat load from an air flow within said frequency converter via said third heat transfer element (12) to said fluid, and a fan (16) for generating said air flow passing via said third heat transfer element (12) and via at least one secondary component of said frequency converter (1).
    • 本发明涉及一种包括用于冷却所述变频器(1)的部件的冷却设备的变频器(1),所述冷却设备包括:用于接收来自至少一个主要部件的热负载的第一传热元件(9)以及 第二传热元件(8),用于接收流过冷却通道的流体并将所述热负载传递到周围环境。 为了获得有效的冷却装置,所述冷却装置包括用于将来自所述变频器内的气流的热负荷经由所述第三传热元件(12)传递至所述流体的第三传热元件(12),以及风扇 (16),用于产生通过所述第三传热元件(12)和经由所述变频器(1)的至少一个次要部件的所述气流。
    • 4. 发明公开
    • Cooling apparatus
    • 冷却装置
    • EP2819279A1
    • 2014-12-31
    • EP13173928.6
    • 2013-06-27
    • ABB Research Ltd.
    • Agostini, FrancescoTorresin, DanieleHabert, MathieuAgostini, Bruno
    • H02K9/04H05K7/20
    • H05K7/20336F28D15/0233F28D15/0266F28F13/06
    • The invention relates to an electric apparatus (1) comprising at least two cooling elements (4) and a first fan arrangement (5) for cooling the at least two cooling elements (4) with a first air flow (11). In order to obtain an efficient cooling solution the electric apparatus (1) comprises a second fan arrangement (6) for cooling the at least two cooling elements (4) with a second air flow (12). The second fan (6) arrangement passes the second air flow (12) in a different flow direction as compared to the first air flow (11), and the first (11) and second air flows (12) are arranged to cool different parts (13, 17) of the at least two cooling elements (4).
    • 本发明涉及包括至少两个冷却元件(4)和第一风扇装置(5)的电气设备(1),所述第一风扇装置用于利用第一气流(11)冷却所述至少两个冷却元件(4)。 为了获得有效的冷却解决方案,电气设备(1)包括用于用第二气流(12)冷却至少两个冷却元件(4)的第二风扇装置(6)。 与第一气流(11)相比,第二风扇(6)装置在不同的流动方向上通过第二气流(12),并且第一气流(11)和第二气流(12)被布置成冷却不同的部分 (4)的至少两个冷却元件(13,17)。