The invention provides a 48V power supply system applied to a photovoltaic power generation recreational vehicle. The 48V power supply system comprises a generator, a 12V starting battery, a bidirectional DCDC module, a lithium battery, a control module, a charging and inverting integrated machine, a photovoltaic charging controller, a smart home module and a photovoltaic cell panel. Positive andnegative electrodes of an output end of a generator are connected to the positive and negative electrodes of the 12V starting battery through cables; the positive electrode and the negative electrodeof the 12V starting battery are connected to the 12V positive electrode and the 12V negative electrode of the bidirectional DCDC module through the cables; a 48V side positive electrode and a 48V sidenegative electrode of the bidirectional DCDC module are connected to the positive electrode and the negative electrode of the lithium battery; the positive and negative electrodes of the lithium battery are connected with the positive and negative electrodes of the 48V sides of the charging and inverting integrated machine and the photovoltaic charging controller; and the positive electrode and the negative electrode of the photovoltaic cell panel are connected to an input port of the photovoltaic charging controller. A line current can be greatly reduced, and a spontaneous combustion phenomenon caused by large-current heating is effectively avoided.

    本发明提出了一种应用于带光伏发电房车的48V电源系统,包括发电机、12V启动电池、双向DCDC模块、锂电池、控制模块、充逆变一体机、光伏充电控制器、智能家居模块、光伏电池板;所述发电机的输出端正负极分别用电缆接到12V启动电池的正负极;所述12V启动电池的正负极通过电缆分别连接到双向DCDC模块的12V正负极;所述双向DCDC模块的48V侧正负极分别连接到锂电池的正负极;所述锂电池的正负极分别连接充逆变一体机和光伏充电控制器的48V侧的正负极;所述光伏电池板的正负极分别接到光伏充电控制器的输入端口;本发明能够大大降低线路电流,有效避免因大电流发热造成的自燃现象。


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    Titel :

    48V power supply system applied to photovoltaic power generation recreational vehicle


    Weitere Titelangaben:

    应用于带光伏发电房车的48V电源系统


    Beteiligte:
    YANG XIAOCHUAN (Autor:in) / GAO FANGANG (Autor:in)

    Erscheinungsdatum :

    2020-07-24


    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 / 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



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