The invention discloses an electric vehicle low-voltage electrical power management system which comprises a low-voltage electrical power management system, the low-voltage electrical power management system comprises an IBS, a VCU, a BMS, a DC/DC and a low-voltage electrical system, the IBS is a storage battery sensor and is connected with a storage battery through a new circuit, the IBS feeds back information to the VCU, the VCU is a vehicle control unit and is connected with the low-voltage electrical system through a circuit, and the DC/DC is connected with the low-voltage electrical system through a new circuit. The VCU is further connected with the BMS through a circuit, the BMS is a battery pack management system and is connected with the DC/DC through a circuit, the DC/DC is a direct current converter, and the low-voltage electrical system comprises a combination instrument, an air conditioner controller and a seat controller. According to the invention, the SOC state of the storage battery, the starting state of the low-voltage electrical system and the electrical load are monitored, the monitoring information is analyzed and processed, an instruction is sent out to control the output power of the DC/DC converter to be adjusted, and meanwhile, a related low-voltage electrical module can be reminded to control an actuator of the low-voltage electrical module to adjust the gear or the power.

    本发明公开了一种电动汽车低压电气电源管理系统,包括低压电气电源管理系统,低压电气电源管理系统包括IBS、VCU、BMS、DC/DC和低压电气系统,IBS为蓄电池传感器并通过新路与蓄电池相连接,IBS将信息反馈给VCU,VCU为整车控制器并通过线路与低压电气系统相连接,VCU还通过线路与BMS相连接,BMS为电池包管理系统并通过线路与DC/DC相连接,DC/DC为直流转换器,低压电气系统包含组合仪表、空调控制器和座椅控制器。本发明可以通过对蓄电池SOC状态进行监测,并对低压电气系统开启状态和电负荷进行监测,对监测信息进行分析处理,发出指令控制DC/DC转换器输出功率作出调整,同时也可以提醒相关低压电气模块控制其执行器调整档位或功率。


    Access

    Download


    Export, share and cite



    Title :

    Low-voltage electrical power supply management system of electric automobile


    Additional title:

    一种电动汽车低压电气电源管理系统


    Contributors:
    WU TAO (author) / QI YANPING (author) / WANG SHOUTIAN (author)

    Publication date :

    2022-05-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen




    Electric automobile low-voltage power supply system and electric automobile

    CUI LIZHI / LIU SHUO / ZHANG QINGLING et al. | European Patent Office | 2025

    Free access

    New energy automobile low-voltage power supply management system

    LI ZHONGYAO / LI DAFENG | European Patent Office | 2021

    Free access

    Power supply system for electric automobile and electric automobile

    ZHENG NENGTAO / HE ZHAO / ZHAI YIDE et al. | European Patent Office | 2021

    Free access

    ELECTRIC-AUTOMOBILE POWER SUPPLY SYSTEM

    OSHIUMI TAKAHIRO | European Patent Office | 2017

    Free access