The embodiment of the invention provides a battery self-heating circuit with a transformer and a vehicle, and the circuit comprises a half-bridge circuit composed of a high-voltage end, a low-voltage end, the transformer and a power switch, and a plurality of battery branches. A half-bridge circuit consisting of a plurality of battery branches and power switches is arranged between the high-voltage end and the low-voltage end; each battery branch is formed by connecting a plurality of batteries in series; the plurality of battery branches comprise a first battery branch and a second battery branch; the first end of the first secondary side of the transformer is connected with a series connection point of any two batteries in the first battery branch; the second end of the first secondary side of the transformer is connected with a series connection point of any two batteries in the second battery branch; and the primary side of the transformer is connected with the midpoint of the half-bridge circuit formed by the power switch.
本申请实施例提供一种带变压器的电池自加热电路和车辆,其中,电路包括:高压端、低压端、变压器、功率开关组成的半桥电路、多个电池支路;所述高压端和所述低压端之间具有多个电池支路和功率开关组成的半桥电路;每个所述电池支路由多个电池串联而成;所述多个电池支路包括:第一电池支路和第二电池支路;所述变压器的第一副边的第一端和所述第一电池支路中的任意两个电池的串联点连接;所述变压器的第一副边的第二端和所述第二电池支路中的任意两个电池的串联点连接;所述变压器的原边和所述功率开关组成的半桥电路的中点连接。
Battery self-heating circuit with transformer and vehicle
一种带变压器的电池自加热电路和车辆
13.09.2022
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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