PROBLEM TO BE SOLVED: To provide a power supply device for a vehicle which improves fuel economy by reducing a fuel consumption amount for charging power to a start power supply for dissolving a malfunction of a start electric motor at a start of an internal combustion engine, and a control method therefor.SOLUTION: A power supply device for a vehicle comprises a control device 42 which electrically connects a first circuit 16 for connecting an electric device 40, a generator 11 and a general power supply 12 by using connection cut means 14 during traveling at which an engine 20 is stopped by a stop of fuel injection, and a second circuit 17 for connecting a starter 41 and a start power supply 13, and performs control for connecting the generator 11, the general power supply 12, the start power supply 13 and the electric device 40 in parallel with one another. Power 50 generated by the generator 11 during the traveling is charged to the start power supply 13.SELECTED DRAWING: Figure 2
【課題】内燃機関の始動時の始動用電動機の不具合を解消する始動用電源に電力を充電するための燃料消費量を削減して燃費を向上する車両用電源装置及びその制御方法を提供する。【解決手段】燃料の噴射の停止によりエンジン20を停止した走行中に、接続切断手段14により電動装置40、発電機11、及び汎用電源12を接続する第一回路16、並びにスタータ41及び始動用電源13を接続する第二回路17を電気的に接続して発電機11、汎用電源12、始動用電源13、及び電動装置40を並列に接続する制御を行う制御装置42を備え、その走行中に発電機11で発電された電力50を始動用電源13に充電する構成にした。【選択図】図2
POWER SUPPLY DEVICE FOR VEHICLE AND CONTROL METHOD THEREFOR
車両用電源装置及びその制御方法
2017-06-15
Patent
Elektronische Ressource
Japanisch
IPC: | F02N STARTING OF COMBUSTION ENGINES , Anlassen von Brennkraftmaschinen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / 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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