To warm an electric storage unit before charging.SOLUTION: A vehicular power supply device 10 to be mounted in a vehicle includes: a battery pack 11 including a battery stack A2 and a battery stack B2 having an internal resistance large than that of the battery stack A2; an onboard charger 50 connected to the battery pack 11 and charges at least one of the battery stack A2 and the battery stack B2; charging switches SW5a, SW5b provided between the battery stack A2 and the onboard charger 50 and controlled in an ON state or an OFF state; charging switches SW6a, SW6b provided between the battery stack B2 and the onboard charger 50 and controlled in an ON state or an OFF state; and a switch controller that controls the charging switches SW5a, SW5b and the charging switches SW6a, SW6b on the basis of a temperature of the battery pack 11.SELECTED DRAWING: Figure 1
【課題】蓄電体を暖めて充電する。【解決手段】車両に搭載される車両用電源装置10であって、バッテリスタックA2と、バッテリスタックA2よりも内部抵抗の大きなバッテリスタックB2と、を備えるバッテリパック11と、バッテリパック11に接続され、バッテリスタックA2とバッテリスタックB2との少なくとも何れか一方を充電する車載充電器50と、バッテリスタックA2と車載充電器50との間に設けられ、オン状態とオフ状態とに制御される充電スイッチSW5a,SW5bと、バッテリスタックB2と車載充電器50との間に設けられ、オン状態とオフ状態とに制御される充電スイッチSW6a,SW6bと、バッテリパック11の温度に基づいて、充電スイッチSW5a,SW5bおよび充電スイッチSW6a,SW6bを制御するスイッチ制御部と、を有する。【選択図】図1
VEHICULAR POWER SUPPLY DEVICE
車両用電源装置
2022-03-29
Patent
Electronic Resource
Japanese
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 / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
VEHICULAR POWER SUPPLY CONTROL DEVICE AND VEHICULAR POWER SUPPLY DEVICE
European Patent Office | 2020
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