The invention relates to the technical field of power electronics, in particular to an automobile power supply charging circuit and an automobile power supply system, which comprises a first voltage detection module, a second voltage detection module, a direct current-direct current conversion module, a control module, a first double-selection switch module, a second double-selection switch module, a first terminal, a second terminal and a third terminal, the first double-selection switch module comprises a first relay, the second double-selection switch module comprises a second relay, and each of the first relay and the second relay comprises a double-selection switch composed of a movable contact, a normally-open static contact and a normally-closed static contact. When the control module receives a reverse charging instruction and the real-time voltage of the first battery and the real-time voltage of the second battery meet a preset condition, the control module controls the coils of the first relay and the second relay to be electrified, so that the output voltage of the first battery is output to the input end of the second battery after passing through the direct current-direct current conversion module; therefore, the second battery is charged timely and conveniently, and the problem that charging of the second battery is troublesome is solved.

    本申请涉及电力电子技术领域,特别涉及一种汽车电源充电电路和汽车电源系统,包括:第一、第二电压检测模块、直流‑直流转换模块、控制模块、第一、第二双选开关模块和第一、第二、第三端子;第一双选开关模块包括第一继电器,第二双选开关模块包括第二继电器,第一继电器和第二继电器均包括一组由动触点、常开静触点和常闭静触点组成的双选开关。当控制模块接收到反充指令,且第一电池的实时电压和第二电池的实时电压满足预设条件时,则使控制模块控制第一、第二继电器的线圈得电,使得第一电池的输出电压经过直流‑直流转换模块后,输出至第二电池的输入端,从而及时、方便地为第二电池充电,解决了第二电池充电较为麻烦的问题。


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    Titel :

    Automobile power supply charging circuit and automobile power supply system


    Weitere Titelangaben:

    汽车电源充电电路和汽车电源系统


    Beteiligte:
    LIN ZHENGWEI (Autor:in)

    Erscheinungsdatum :

    2023-04-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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