The invention relates to a multi-voltage battery device (MB) for a motor vehicle, comprising: a first output current connection (AA1) and a ground connection (MA) for providing a first nominal voltage(U1); a second output current connection (AA2) and the ground connection (MA) for providing a second nominal voltage (U2); a first battery cell group (ZG1) which is electrically connected to the first output current connection (AA1) via a first positive pole (PP1) and to the ground connection (MA) via a first negative pole (NP1); a second battery cell group (ZG2) which is electrically connected to the second output current connection (AA2) via a second positive pole (PP2) and to the first output current connection (AA1) via a second negative pole (NP2) and which is serially connected to the first battery cell group (ZG1) in a switchable manner; a charge current connection (LA) for connecting the multi-voltage battery device (MB) to an external power source (SQ); and a first DC-to-DC converter (GW) which is electrically connected to the charge current connection (LA) on the input voltage side and to the first positive pole (PP1) on the output voltage side and which is designed to convert an input voltage (Ue) applied to the charge current connection (LA) into a first charge voltage for charging the first battery cell group (ZG1).

    本发明公开一种用于机动车的多电压电池组装置(MB),其包括:第一输出电流端子(AA1)和接地端子(MA),用于提供第一标称电压(U1);第二输出电流端子(AA2)和接地端子(MA),用于提供第二标称电压(U2);第一电池组电池群(ZG1),其通过第一正极(PP1)电连接在第一输出电流端子(AA1)上,并且通过第一负极(NP1)电连接在接地端子(MA)上;第二电池组电池群(ZG2),其通过第二正极(PP2)电连接在第二输出电流端子(AA2)上,并且通过第二负极(NP2)电连接在第一输出电流端子(AA1)上,并且与第一电池组电池群(ZG1)可切换地串联连接;充电电流端子(LA),用于将多电压电池组装置(MB)连接在外部电流源(SQ)上;第一直流电压转换器(GW),其在输入电压侧电连接在充电电流端子(LA)上并且在输出电压侧侧电连接在第一正极(PP1)上,并且被设立用于将施加在充电电流端子(LA)上的输入电压(Ue)转换成用于对第一电池组电池群(ZG1)进行充电的第一充电电压。


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    Titel :

    Multi-voltage battery device and onboard electrical system for a motor vehicle


    Weitere Titelangaben:

    用于机动车的多电压电池组装置和车载电网


    Beteiligte:

    Erscheinungsdatum :

    2020-08-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / 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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