To provide an on-vehicle power supply system that has multiplexed power supplies in a vehicle without using any lead batteries and reliably supplies power with different voltage from high voltage to low voltage.SOLUTION: An on-vehicle power supply system 1 comprises a primary side power storage device 2, a secondary side power storage device 3, and a power generation device 4. The primary side power storage device 2 includes a high voltage output terminal 11 and a low voltage output terminal 12. The power generation device 4 supplies power to the primary side power storage device 2 and the secondary side power storage device 3. The power supply system 1 further comprises: a first switch 21 disposed between the power generation device 4 and the primary side power storage device 2; a second switch 22 disposed between the power generation device 4 and the secondary side power storage device 3; and a third switch 23 disposed between the low voltage output terminal 12 of the primary side power storage device 2 and an output terminal 13 of the secondary side power storage device. The power generation device 4 of the power supply system 1 is a power generator 42 with an inverter 41 or a power generator capable of outputting variable voltage.SELECTED DRAWING: Figure 1

    【課題】鉛バッテリを用いることなく、車両における電源を多重化し、且つ高電圧から低電圧まで異なる電圧の電力を信頼性高く供給する車載用の電源システムを提供する。【解決手段】本発明の車載用の電源システム1は、一次側蓄電装置2と、二次側蓄電装置3と、発電装置4を備えている。一次側蓄電装置2は、高電圧出力端子11と低電圧出力端子12とを有する。発電装置4は、一次側蓄電装置2と二次側蓄電装置3に電力を供給する。電源システム1は、さらに、発電装置4と一次側蓄電装置2との間に配置された第一のスイッチ21と、発電装置4と二次側蓄電装置3との間に配置された第二のスイッチ22と、一次側蓄電装置2の低電圧出力端子12と二次側蓄電装置の出力端子13との間に配置された第三のスイッチ23と、を備えている。電源システム1は、発電装置4が、インバータ41を備えた発電機42、又は可変電圧出力可能な発電機であることを特徴とする。【選択図】図1


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    Titel :

    ON-VEHICLE POWER SUPPLY SYSTEM


    Weitere Titelangaben:

    車載用電源システム


    Beteiligte:

    Erscheinungsdatum :

    2021-02-18


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    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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