The invention discloses an energy conversion device and a vehicle. The energy conversion device comprises a battery pack; the inversion unit comprises Y-phase bridge arms, the first end of each phase bridge arm is connected with the positive electrode of the first battery pack, and the second end of each phase bridge arm is connected with the negative electrode of the second battery pack; according to the motor, the third end of each phase of bridge arm is connected with the first end of one phase of coil of one corresponding set of winding, the second ends of the multi-phase coils of at least one set of winding in the X sets of windings are connected together, an N line is led out, the second ends of the multi-phase coils of the remaining sets of windings in the X sets of windings are connected together, the phase number of the bridge arms is equal to the phase number of the coils, and X is larger than or equal to 2; the first end of the first switch unit is connected with the N line, and the second end of the first switch unit is connected with the midpoint of the first battery pack and the midpoint of the second battery pack. By adopting the energy conversion device, multiple sets of windings of the motor can be fully utilized to meet the functional requirements of the vehicle in different states, the energy utilization efficiency is improved, and the system compatibility is improved.

    本发明公开了一种能量转换装置和车辆,包括:电池组;逆变单元包括Y相桥臂,每一相桥臂的第一端与第一电池包的正极连接,每一相桥臂的第二端与第二电池包的负极连接;电机,每一相桥臂的第三端与对应一套绕组的一相线圈的第一端连接,X套绕组中至少一套绕组的多相线圈的第二端共接并引出N线,X套绕组的余下套绕组的多相线圈的第二端共接,其中,桥臂的相数与线圈的相数相等,X≥2;第一开关单元,第一开关单元的第一端与N线连接,第一开关单元的第二端与第一电池包和第二电池包的中点连接。采用该能量转换装置可以充分利用电机的多套绕组满足车辆在不同状态下的功能需求,提升能量利用效率,提高系统兼容性。


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    Title :

    Energy conversion device and vehicle


    Additional title:

    能量转换装置和车辆


    Contributors:
    LING HEPING (author) / PAN HUA (author) / LEE KIL-SUNG (author) / ZHANG YUXIN (author) / LUO XIANG (author)

    Publication date :

    2024-08-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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