JP2014079081A - 車両、電源システムおよび電源システムの制御方法 - Google Patents
車両、電源システムおよび電源システムの制御方法 Download PDFInfo
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- JP2014079081A JP2014079081A JP2012225092A JP2012225092A JP2014079081A JP 2014079081 A JP2014079081 A JP 2014079081A JP 2012225092 A JP2012225092 A JP 2012225092A JP 2012225092 A JP2012225092 A JP 2012225092A JP 2014079081 A JP2014079081 A JP 2014079081A
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
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Abstract
【解決手段】正極ラインPL3と負極ラインNL1とには、第2蓄電装置BAT2が電気的に接続されていて、インバータ部20へ駆動力を発生させる電力が直接供給される。また、コンバータ部10は、インバータ部20から受ける電力を第1蓄電装置BAT1へ供給する。このとき、逆流防止回路35が設けられているので、第2蓄電装置BAT2の方向へ、電力は供給されない。逆流防止回路35のダイオードD3は、正極ラインPL3から分岐して第2蓄電装置BAT2に接続される正極ラインPL2上で、システムメインリレーSMR2と、正極ラインPL2との接続ノードとの間に接続されている。そして、ダイオードD3は、正極ラインPL3側から第2蓄電装置BAT2方向への電流の流れを規制する。
【選択図】図1
Description
図1は、この発明の実施の形態による電源システム50を搭載したハイブリッド車両の全体ブロック図である。
図2は、比較例の電源システム150を搭載したハイブリッド車両200の構成を示す図である。なお、実施の形態と同一の部分については、同一符号を付して、説明を繰返さない。
エンジン2の起動を抑制する方策の他の例として、モータジェネレータMG2が回転トルク不足に陥らないように、モータジェネレータMG2の回転トルクを通常の上限の値NAよりも低い回転トルクの上限の値NLに変更する、上限ガードの変更という方策も考えられる。以下に、このトルク制限の上限ガードを変更する一例について変形例にて詳述する。
図5のステップS5で、NOが選択されると、ステップS20で、ECU30は、エンジン2の起動の抑制処理を抑制制御部32に開始させる。
図1に示すように、このハイブリッド車両100は、電源システム50と、電源システム50から供給される電力で駆動する駆動装置90と、電源システム50または駆動装置90の制御を行なうECU30とを備えている。
Claims (9)
- 電源システムと、前記電源システムから供給される電力で駆動する駆動装置と、前記電源システムおよび前記駆動装置の制御を行なう制御装置とを備える、車両であって、
前記電源システムは、
第1蓄電装置と、
前記第1蓄電装置からの電圧を変換する電圧変換装置と、
前記電圧変換装置で変換された電力を前記駆動装置に供給する経路に電気的に接続されて前記駆動装置に電力を供給する第2蓄電装置と、
前記第1蓄電装置と前記電圧変換装置との間の電力の供給と遮断とを切換えるための第1スイッチと、
前記第2蓄電装置から前記駆動装置への電力の供給と遮断とを切換えるための第2スイッチとを含み、
前記制御装置は、前記電源システムの起動によって前記第1スイッチを接続して、前記駆動装置に印加される電圧が所定の電圧まで昇圧されたことに応答して、前記第2スイッチを接続する、車両。 - 前記制御装置は、前記第1スイッチが接続されたことに応答して、走行可能であることの報知を行なう報知装置をさらに備える、請求項1に記載の車両。
- 前記第1蓄電装置は、高出力型バッテリを含み、
前記第2蓄電装置は、高容量型バッテリを含む、請求項1または請求項2に記載の車両。 - 前記駆動装置と前記第2スイッチとの間に接続されて、前記駆動装置側の電流が前記第2蓄電装置側に流れることを防止する逆流防止回路をさらに備え、前記逆流防止回路はダイオードを含んで構成されている、請求項1から請求項3のいずれか1項に記載の車両。
- 前記駆動装置は、エンジンと連結される負荷としての回転電機を含み、
前記制御装置は、前記第2スイッチが接続されるまで、前記エンジンの起動を抑制する、請求項1から請求項4のいずれか1項に記載の車両。 - 前記制御装置は、前記第1蓄電装置の出力制限を一時的に緩和することにより、前記エンジンの起動を抑制する、請求項5に記載の車両。
- 前記制御装置は、前記回転電機の出力トルク上限値を一時的に低下させることにより、前記エンジン起動を抑制する、請求項5に記載の車両。
- 負荷に電力を供給するための電源システムであって、
第1蓄電装置と、
前記第1蓄電装置からの電圧を変換する電圧変換装置と、
前記電圧変換装置と前記負荷とを結ぶ経路に電気的に接続され、前記負荷に電力を供給することが可能に構成された第2蓄電装置と、
前記第1蓄電装置と前記電圧変換装置との間の電力の供給と遮断とを切換えるための第1スイッチと、
前記第2蓄電装置から前記負荷への電力の供給と遮断とを切換えるための第2スイッチと、
前記電源システムの起動によって前記第1スイッチが接続され、前記負荷に印加される電圧が所定の電圧まで昇圧されたことに応答して、前記第2スイッチを接続する制御装置とを備える、電源システム。 - 負荷に電力を供給するための電源システムの制御方法であって、
前記電源システムは、
第1蓄電装置と、
前記第1蓄電装置からの電圧を変換する電圧変換装置と、
前記電圧変換装置と前記負荷とを結ぶ経路に電気的に接続され、前記負荷に電力を供給することが可能に構成された第2蓄電装置と、
前記第1蓄電装置と前記電圧変換装置との間の電力の供給と遮断とを切換えるための第1スイッチと、
前記第2蓄電装置から前記負荷への電力の供給と遮断とを切換えるための第2スイッチとを含み、
前記制御方法は、前記電源システムの起動に伴い、前記第1スイッチを接続して電力の供給を開始するステップと、
前記電圧変換装置を用いて前記第1蓄電装置から与えられた電圧を昇圧させるステップと、
前記負荷に印加される電圧が所定の電圧まで昇圧されたことに応答して、前記第2スイッチを接続するステップとを備える、電源システムの制御方法。
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