A new energy automobile power management system comprises a low-voltage power distribution unit, a high-voltage power distribution unit, an insulation monitoring module, a direct-current conversion module and a power management controller. The low-voltage power distribution unit comprises a relay and a fuse. The high-voltage power distribution unit comprises a high-voltage relay, a high-voltage contactor, a high-voltage fuse and a high-voltage connector. The detection end of the insulation monitoring module is connected with the anode and cathode of the high-voltage loop of the high-voltage power distribution unit and a system ground wire. The high-voltage input end of the direct-current conversion module is connected with the high-voltage connector, and the low-voltage power output end ofthe direct-current conversion module is connected with the low-voltage input end of the low-voltage power distribution unit. And the power management controller communicates with other parts of the whole vehicle through a CAN bus. The system is high in integration level, complete in function, good in reliability and convenient in whole vehicle arrangement; fault diagnosis and maintenance are facilitated; the reliability is good and the anti-interference capability is strong; external part high-low voltage fault judgment is automatically carried out, a high-low voltage loop is disconnected with high authority, and personnel and whole vehicle safety is guaranteed.

    一种新能源汽车电源管理系统,包括低压配电单元、高压配电单元、绝缘监测模块、直流转换模块和电源管理控制器。低压配电单元包括继电器和保险丝。高压配电单元包括高压继电器、高压接触器、高压熔断器和高压连接器。绝缘监测模块的检测端与高压配电单元高压回路的正极、负极及系统地线相连。直流转换模块,其高压输入端与高压连接器相连,其低压功率输出端与低压配电单元低压输入端相连。电源管理控制器与整车其他部件通讯通过CAN总线。本发明集成度高、功能全、可靠性好、整车布置方便;方便进行故障诊断及维修;可靠性好、抗干扰能力强;自行进行外部部件高低压故障判断,高权限断开高低压回路,保证人员及整车安全。


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    Titel :

    New energy automobile power management system


    Weitere Titelangaben:

    一种新能源汽车电源管理系统


    Beteiligte:
    WANG YUHAI (Autor:in) / LI LIANQIANG (Autor:in) / LI XINGKUN (Autor:in) / WANG XINLI (Autor:in)

    Erscheinungsdatum :

    03.07.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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