The invention relates to an emergency power supply system for a vehicle, wherein the system comprises a high-voltage power battery configured to supply power to at least one load of the vehicle during normal operation, a low-voltage storage battery and an emergency power supply converter; the low-voltage storage battery is electrically connected with the high-voltage power battery, and the high-voltage power battery charges the low-voltage storage battery through a low-voltage charger; and the emergency power supply converter is electrically connected with the low-voltage storage battery, and is configured to adjust the output voltage of the emergency power supply converter according to the output voltage of the high-voltage power battery when the high-voltage power battery is in normal operation and supply the electric energy of the low-voltage storage battery to the at least one load when the high-voltage power battery is abnormally powered off. The invention also relates to a corresponding emergency power supply method, a computer program product and the emergency power supply converter. The voltage loss state when the high-voltage power battery is abnormally powered off can be avoided or shortened.

    本发明涉及一种用于车辆的应急供电系统,包括:高压动力电池,配置成用于在正常运行时向所述车辆的至少一个负载供电;与所述高压动力电池电连接的低压蓄电池,所述高压动力电池经由低压充电器给所述低压蓄电池充电;与所述低压蓄电池电连接的应急供电变换器,配置成用于在所述高压动力电池正常运行时根据所述高压动力电池的输出电压调整所述应急供电变换器的输出电压并且在所述高压动力电池异常断电时将所述低压蓄电池的电能供应给所述至少一个负载。还涉及一种相应的应急供电方法、计算机程序产品和应急供电变换器。能够避免或缩短在高压动力电池异常断电时的失压状态。


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    Titel :

    Emergency power supply system and method for vehicle, program product and emergency power supply converter


    Weitere Titelangaben:

    车辆的应急供电系统、方法、程序产品、应急供电变换器


    Beteiligte:
    SUN HAOCHENG (Autor:in)

    Erscheinungsdatum :

    2021-06-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / B62D MOTOR VEHICLES , Motorfahrzeuge / 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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