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    • 1. 发明授权
    • ELEKTRISCHE HEIZUNG FÜR EIN KRAFTFAHRZEUG
    • ELEKTRISCHE HEIZUNGFÜREIN KRAFTFAHRZEUG
    • EP1390219B1
    • 2004-09-22
    • EP02718028.0
    • 2002-01-17
    • Beru AktiengesellschaftEichenauer Heizelemente GmbH & Co.KG
    • UHL, GüntherGEIGER, SteffenALBAN, ThomasGIFFELS, ThomasWENSKE, DirkHAMBURGER, AndreasRIETHER, Mike
    • B60H1/00
    • B60H1/2225B60H1/034F24H3/0441H05K1/0206H05K3/0061H05K3/386H05K3/4038H05K2201/0305H05K2201/0382H05K2201/10166H05K2201/2036H05K2203/0315
    • The invention relates to an electric heating system for motor vehicles with the following characteristics: the heating system has one or several electric heating elements (3); a control circuit is provided for controlling the power generated by the heating elements (3); the control circuit comprises one or several power semiconductors (5), which are arranged on a control circuit supporting plate (6); the control circuit supporting plate (6) is connected by the side facing away from the power semiconductors (5), (hereafter referred to as the underside), to a metal plate (7) by means of a material connection, said metal plate lying on ground potential; the metal plate (7) is electrically insulated from conductor strips, which are located on the underside of the circuit supporting plate (6) and in relation to the ground potential are provided for conducting a voltage; the control circuit is located in a housing (8); one or several cooling bodies (4a) are provided outside the housing (8); thermally conductive connectors (2) connect the metal plate (7) inside the housing (8) to the cooling bodies (4a) outside the housing (8).
    • 本发明涉及一种用于机动车辆的电加热系统,其具有以下特征:加热系统具有一个或多个电加热元件(3); 提供用于控制由加热元件(3)产生的功率的控制电路; 所述控制电路包括一个或多个功率半导体(5),所述功率半导体(5)布置在控制电路支撑板(6)上; 控制电路支撑板(6)通过材料连接在背离功率半导体(5)(以下称为下侧)的一侧与金属板(7)连接,所述金属板位于 地面潜力; 所述金属板(7)与位于所述电路支撑板(6)的下侧并且相对于提供用于传导电压的地电位的导体条电绝缘; 控制电路位于壳体(8)中; 一个或多个冷却体(4a)设置在外壳(8)的外部; 导热连接器(2)将壳体(8)内部的金属板(7)连接到壳体(8)外部的冷却体(4a)。