The embodiment of the invention provides a new energy automobile power supply system and a control method of the new energy automobile power supply system. The system comprises a battery cell module, a first branch circuit, a second branch circuit, a whole automobile low-voltage load and a control unit. The first branch circuit is connected with the battery cell module in parallel, the first branch circuit comprises a first switch and a DCDC converter which are sequentially connected in series, and the first switch comprises a plurality of power switches which are connected in series; the second branch circuit is connected with the first branch circuit in parallel, the second branch circuit comprises a relay group, a whole vehicle high-voltage load and a second switch which are sequentially connected in series, and the second switch comprises a plurality of power switches which are connected in series; the whole vehicle low-voltage load is connected with the DCDC converter in parallel; the control unit is used for adjusting the on-off state of each switch in the power supply system. According to the technical scheme provided by the embodiment of the invention, the safety of the new energy automobile power supply system can be improved.
本申请的实施例提供了一种新能源汽车供电系统,及新能源汽车供电系统的控制方法,所述系统包括:电芯模组,第一支路,第二支路,整车低压负载,以及控制单元;所述第一支路与所述电芯模组并联连接,所述第一支路中包括依次串联连接的第一开关和DCDC转换器,所述第一开关包括多个串联连接的功率开关;所述第二支路与所述第一支路并联连接,所述第二支路中包括依次串联连接的继电器组,整车高压负载,以及第二开关,所述第二开关包括多个串联连接的功率开关;所述整车低压负载与所述DCDC转换器并联连接;所述控制单元用于调节所述供电系统中各个开关的开闭状态。本申请的实施例提供的技术方案能提升新能源汽车供电系统的安全性。
New energy automobile power supply system and control method of new energy automobile power supply system
新能源汽车供电系统,及新能源汽车供电系统的控制方法
2024-03-15
Patent
Elektronische Ressource
Chinesisch
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