The invention relates to a drive train (10) for a working machine, comprising at least one electric motor (11, 12), which is designed to provide a mechanical input power, an electrical energy store (13), a multi-stage shift transmission (14), a heating circuit (15) and a cooling circuit (16), the shift transmission (14) is configured for converting mechanical input power and providing as mechanical output power, the energy store (13) is configured for supplying electrical power to the at least one electric motor (11, 12) and the heating circuit (15), the heating circuit (15) is configured for providing a heating fluid for heating the energy store (13), and the heating circuit (15) is configured for supplying electrical power to the at least one electric motor (11, 12). The cooling circuit (16) is designed to provide a cooling fluid for cooling and lubricating the shift transmission (14), the drive train (10) according to the invention being characterized in that the heating circuit (15) and the cooling circuit (16) are coupled via a heat exchanger (18) and have only one common cooling device (19). The invention also relates to a corresponding method and to a working machine.

    本发明涉及用于作业机械的驱动系(10),驱动系包括至少一个电动马达(11、12)、电能储存器(13)、多级的换挡变速器(14)、加热回路(15)和冷却回路(16),其中,至少一个电动马达(11、12)被构造成用于提供机械输入功率,其中,换挡变速器(14)被构造成用于转换机械输入功率并作为机械输出功率提供,其中,能量储存器(13)被构造成用于向至少一个电动马达(11、12)和加热回路(15)供应电功率,其中,加热回路(15)被构造成用于提供用于对能量储存器(13)加温的加热流体,并且其中,冷却回路(16)被构造成用于提供用以冷却和润滑换挡变速器(14)的冷却流体,根据本发明的驱动系(10)的特征在于,加热回路(15)和冷却回路(16)经由热交换器(18)耦合并且只具有唯一的共同的冷却设备(19)。本发明还涉及相应的方法和作业机械。


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    Title :

    Drive train of work machine, method for operating drive train, and work machine


    Additional title:

    作业机械的驱动系、驱动系的运行方法和作业机械


    Contributors:

    Publication date :

    2023-08-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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