An electric automobile power battery high-voltage loop comprises a battery management system BMS, a power battery, a main drive interface, a high-voltage discharge interface and a charge interface, the positive electrode of the power battery is electrically connected with the positive electrode end of the main drive interface after sequentially passing through a pre-charge resistor and a pre-charge relay, and the positive electrode of the power battery is electrically connected with the positive electrode end of the main drive interface after passing through the main drive relay. The positiveelectrode of the power battery is electrically connected with the positive electrode end of the high-voltage discharge interface, the positive electrode of the power battery is electrically connectedwith the positive electrode end of the charge interface through the charge relay, and the negative electrode of the power battery is electrically connected with the main drive interface, the high-voltage discharge interface and the negative electrode end of the charge interface sequentially through the current sensor and the main negative relay. The battery management system BMS is in signal connection with the pre-charging relay, the main drive relay, the current sensor, the main negative relay and the charging relay. According to the design, the production cost is reduced on the basis of ensuring the product performance and functions.
一种电动汽车动力电池高压回路,包括电池管理系统BMS、动力电池、主驱接口、高压放电接口与充电接口,动力电池的正极依次经预充电阻、预充继电器后与主驱接口的正极端电连接,动力电池的正极经主驱继电器后与主驱接口的正极端电连接,动力电池的正极与高压放电接口的正极端电连接,动力电池的正极经充电继电器后与充电接口的正极端电连接,动力电池的负极依次经电流传感器、主负继电器后分别与主驱接口、高压放电接口、充电接口的负极端电连接,电池管理系统BMS分别与预充继电器、主驱继电器、电流传感器、主负继电器、充电继电器信号连接。本设计在保证产品性能和功能的基础上降低了生产成本。
Electric vehicle power battery high-voltage loop and control method thereof
一种电动汽车动力电池高压回路及其控制方法
2021-04-02
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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