The invention relates to a vehicle motor system for low-temperature heating of a battery, an electric vehicle and a storage medium. The system comprises a battery, a time division multiplexing vehicle motor, a first inversion full bridge and a second inversion full bridge, a neutral point of a three-phase winding of the vehicle motor extends out of the vehicle motor shell and is connected to a middle point of the second inverter full bridge; in a parking mode, the first inversion full bridge and the second inversion full bridge are used for enabling a three-phase winding of the vehicle motor to form three-phase four-wire system connection, and the first inversion full bridge, the second inversion full bridge, the three-phase winding and the battery form a current loop used for preheating the battery. And the motor for the vehicle participates in preheating the battery in a parking mode. According to the scheme provided by the embodiment of the invention, devices such as an inductive reactance coil and a switch control device do not need to be independently added outside the battery, and the size and production cost of the vehicle motor system can be reduced.
本公开是关于一种用于电池低温加热的车用电机系统、电动汽车、存储介质。该系统包括电池、分时复用的车用电机、第一逆变全桥和第二逆变全桥;所述车用电机的三相绕组的中性点延伸出所述车用电机壳体的外部并连接至所述第二逆变全桥的中点;在驻车模式下,所述第一逆变全桥和所述第二逆变全桥用于使所述车用电机的三相绕组形成三相四线制连接,并且所述第一逆变全桥、所述第二逆变全桥、所述三相绕组和所述电池形成用于预加热所述电池的电流回路,以使所述车用电机在驻车模式下参与预加热所述电池。本公开实施例提供的方案无需在电池外部单独增加感抗线圈和开关控制器件等器件,可以降低车用电机系统的体积和生产成本。
Vehicle motor system for low-temperature heating of battery, electric vehicle and storage medium
用于电池低温加热的车用电机系统、电动汽车、存储介质
2022-05-24
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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