PROBLEM TO BE SOLVED: To provide a power supply system capable of performing backup of a power supply with a DC-DC converter omitted.SOLUTION: A power supply system comprises: a power supply (4) that includes at least a storage battery (battery 8) and supplies power to a plurality of loads (14-1, 14-2, 14-3); a power storage element (20) provided so as to be separated from the storage battery; control means (control unit 30, ECU 38) for controlling a single or a plurality of loads to which power is supplied from the power supply; and a power supply backup circuit (6) that charges the power storage element by using the power supply and is connected to any or all of the loads, receives a control signal from the control means, and performs backup of power supply to the loads by using the power storage element before voltage loss or voltage reduction of the power supply or at the time of the voltage loss or voltage reduction.SELECTED DRAWING: Figure 1

    【課題】DC−DCコンバータを省略して電源のバックアップが可能な電源システムを提供する。【解決手段】少なくとも蓄電池(バッテリー8)を含んで複数の負荷(14−1、14−2、14−3)に給電する電源(4)と、前記蓄電池と別個に設置される蓄電素子(20)と、前記電源から給電される単一または複数の負荷を制御する制御手段(制御部30、ECU38)と、前記電源により前記蓄電素子を充電するとともに前記負荷のいずれかまたは全部に接続され、前記制御手段からの制御信号を受け、前記電源の電圧喪失または電圧低下前、または前記電圧喪失または電圧低下の際、前記負荷に対する給電を前記蓄電素子によりバックアップする電源バックアップ回路(6)を備える。【選択図】図1


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    Title :

    POWER SUPPLY SYSTEM AND POWER SUPPLY BACKUP CIRCUIT UNIT


    Additional title:

    電源システムおよび電源バックアップ回路ユニット


    Contributors:

    Publication date :

    2018-11-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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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