To provide a vehicle power source device capable of achieving both switchover between serial connection and parallel connection to a power source during charging and discharging operation and reception and supply of electric power between power sources while a vehicle is stopped.SOLUTION: A vehicle power source device 30 comprises: a first electric storage device 31 and a second electric storage device 32; a first switch SW1 connected to a low voltage side of the first electric storage device and a high voltage side of the second electric storage device; a second switch SW2 connected to a high voltage side of the first electric storage device and between a low voltage side of the second electric storage device and the first switch; a third switch SW3 connected in between the low voltage side of the second electric storage device, the low voltage side of the first electric storage device and the first switch; and a DC-DC converter 18 which has first terminals H1 and L1 connected to both edges of the first electric storage device and second terminals H2 and L2 connected to both edges of the second electric storage device.SELECTED DRAWING: Figure 1

    【課題】充放電中における電源の直列/並列接続の切替えと、停車中における電源間の電力の受給とを両立可能な車両用電源装置を提供する。【解決手段】車両用電源装置30は、第1蓄電装置31および第2蓄電装置32と、第1蓄電装置の低電位側と、第2蓄電装置の高電位側に接続された第1スイッチSW1と、第1蓄電装置の高電位側と、第2蓄電装置の低電位側と第1スイッチとの間に接続された第2スイッチSW2と、第2蓄電装置の低電位側と、第1蓄電装置の低電位側と第1スイッチとの間に接続された第3スイッチSW3と、第1蓄電装置の両端に接続された第1端子H1,L1と、第2蓄電装置の両端に接続された第2端子H2,L2と、を有するDC-DCコンバータ18と、を備える。【選択図】 図1


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    Title :

    VEHICLE POWER SOURCE DEVICE


    Additional title:

    車両用電源装置


    Contributors:

    Publication date :

    2023-04-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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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