VEHICULAR POWER SUPPLY APPARATUS
PROBLEM TO BE SOLVED: To provide a vehicular power supply apparatus capable of reducing an energy loss due to circuit resistance and alleviating the load on a battery (e.g., deterioration of a cell) when a motor is supplied with electric energy, and improving the sustainability of a regenerative bra...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a vehicular power supply apparatus capable of reducing an energy loss due to circuit resistance and alleviating the load on a battery (e.g., deterioration of a cell) when a motor is supplied with electric energy, and improving the sustainability of a regenerative brake.SOLUTION: A vehicular power supply apparatus 1 includes: a first battery 21; a second battery 22 capable of discharging and charging more quickly than the first battery 21; a voltage variation device 3 for controlling step-up and step-down of a voltage of the second battery 22; and a motor 4 for functioning by receiving electric energy from at least either of the first battery 21 and second battery 22. The second battery 22 has a positive side parallel connected to the first battery 21 and a negative side serially connected to the voltage variation device 3.SELECTED DRAWING: Figure 1
【課題】モータへの電気エネルギー供給時の回路抵抗によるエネルギー損失の低減、並びに蓄電装置の負荷（例えば、電池の劣化）の軽減を図るとともに、回生ブレーキの持続性向上を図ることが可能な車両の電源装置を提供する。【解決手段】車両の電源装置１は、第１の蓄電装置２１と、第１の蓄電装置２１よりも急速な充放電が可能な第２の蓄電装置２２と、第２の蓄電装置２２の電圧を昇降制御する電圧可変装置３と、第１の蓄電装置２１および第２の蓄電装置２２の少なくとも一方から電気エネルギーを受けて作動するモータ４とを備えている。第２の蓄電装置２２は、＋側が第１の蓄電装置２１と並列接続され、−側が電圧可変装置３に直列接続されている。【選択図】図１ |
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