The invention discloses a battery heating device and method and a vehicle, and relates to the technical field of automobiles. The battery heating device comprises a three-phase motor, a motor controller, a distribution box and a DC bus capacitor. The wire outlet ends of the three-phase windings of the three-phase motor are respectively connected with the output ends of the three-phase bridge arms of the motor controller; the wire inlet ends of the three-phase windings are connected with one another; the wire outlet end of the first phase winding is also connected with one end of a first switch included in the distribution box; the first input end of the three-phase bridge arm is respectively connected with one end of the direct current bus capacitor, one end of a second switch included in the distribution box and one end of a resistor included in the distribution box; the other end of the resistor is connected with one end of a third switch included in the distribution box; the second input end of the three-phase bridge arm is respectively connected with the other end of the direct current bus capacitor and the negative electrode of the target battery; and the other ends of the first switch, the second switch and the third switch are connected with the positive electrode of the target battery. According to the embodiment of the invention, the vehicle cost can be reduced.
本申请公开了一种电池加热装置、方法及车辆,涉及汽车技术领域。电池加热装置包括:三相电机、电机控制器、配电盒和直流母线电容;三相电机的三相绕组的出线端分别与电机控制器的三相桥臂的输出端连接;三相绕组的入线端相互连接在一起;第一相绕组的出线端还与配电盒包括的第一开关的一端连接;三相桥臂的第一输入端分别与直流母线电容的一端、配电盒包括的第二开关的一端和配电盒包括的电阻的一端连接;电阻的另一端与配电盒包括的第三开关的一端连接;三相桥臂的第二输入端分别与直流母线电容的另一端和目标电池的负极连接;第一开关、第二开关和第三开关的另一端均与目标电池的正极连接。根据本申请实施例,能够降低车辆成本。
Battery heating device and method and vehicle
电池加热装置、方法及车辆
2023-12-29
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
Power battery heating method, power battery heating device and electric vehicle
Europäisches Patentamt | 2024
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