The invention provides a redundant power supply system and a control method thereof.The system comprises a power battery, a DCDC converter, a main storage battery, a power isolation module and a standby storage battery, the power isolation module is internally provided with a main circuit, a first circuit and a second circuit, the first circuit and the second circuit are arranged in parallel, and one end of the first circuit is connected with a main power supply loop; the other end is connected with the main line; one end of the second circuit is connected with the standby storage battery, and the other end is connected with the main circuit; an MOSFET Q1 and an MOSFET Q2 are arranged on the first line in series, and an MOSFET Q3 and an MOSFET Q4 are arranged on the second line in series; the power supply isolation module is also provided with a first monitoring circuit, a second monitoring circuit, a first driving circuit and a second driving circuit; the standby storage battery is provided with a battery electric quantity sensor which is in communication connection with the power isolation module. Normal power utilization of the whole vehicle can be guaranteed, and the reliability and the service life of the standby storage battery are guaranteed.

    本发明提供了一种冗余供电系统及其控制方法,其中该系统包括动力电池、DCDC转换器、主蓄电池、电源隔离模块和备用蓄电池,电源隔离模块中设有总线路、并联设置的第一线路和第二线路,第一线路的一端与主供电回路相连,其另一端与总线路相连;第二线路的一端与备用蓄电池相连,其另一端与总线路相连;第一线路上串联设置有MOSFET Q1、MOSFET Q2,第二线路上串联设置有MOSFET Q3、MOSFET Q4;电源隔离模块中还具有第一监控电路、第二监控电路、第一驱动电路和第二驱动电路;备用蓄电池上设有与电源隔离模块通讯连接的电池电量传感器。本发明能够保证整车的正常用电,保证备用蓄电池的可靠性和寿命。


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    Titel :

    Redundant power supply system and control method thereof


    Weitere Titelangaben:

    一种冗余供电系统及其控制方法


    Beteiligte:
    LI YUE (Autor:in) / WU ZHENYUN (Autor:in) / LIU MINGLEI (Autor:in) / WEN MIN (Autor:in) / ZHU ZHONGHUA (Autor:in) / CHEW CHEE HIONG (Autor:in)

    Erscheinungsdatum :

    2023-06-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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