The invention belongs to the technical field of brake resistors, and particularly discloses a rapid cooling brake resistor which comprises a shell and a resistor body arranged in the shell. The resistor body comprises a plurality of resistor discs, an insulating part and a welding part; the insulating part is fixed along the two sides of the horizontal/vertical direction of the shell and is fixedly connected with the resistor disc; every two adjacent resistor discs are fixedly connected through a welding piece. A lead-out wire is arranged at one end of the resistor body along the horizontal direction of the shell, and is electrically connected with the resistor disc; and a gap is formed between the resistor body and the shell to form a cooling structure. A natural cooling mode is adopted, and the high-voltage direct-current motor has the advantages of being large in working voltage (800 V), high in braking energy, short in starting time and small in inductance value.

    本发明属于制动电阻技术领域,具体公开了一种快速降温的制动电阻,包括壳体以及设置在壳体内部的电阻体;所述电阻体包括若干电阻片、绝缘件和焊接件;所述绝缘件沿所述壳体的水平/竖直方向的两侧固定均与所述电阻片固定连接;所述相邻两个电阻片通过焊接件固定连接;所述电阻体沿所述壳体的水平方向的一端设置有引出线,所述引出线与所述电阻片电性连接;所述电阻体与所述壳体之间存在间隙,构成降温结构。本发明采用自然冷却的方式,具有工作电压大(800V)、制动能量高、启动时间短、电感值小的特点。


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    Title :

    Quick cooling brake resistor


    Additional title:

    一种快速降温的制动电阻


    Contributors:
    ZHANG WENKAI (author) / ZHAO HONGTAO (author) / HOU XIONGWEI (author) / SUN YANING (author) / WU YAN (author)

    Publication date :

    2022-03-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H01C Widerstände , RESISTORS / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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