JP2017193245A - ハイブリッド車両 - Google Patents
ハイブリッド車両 Download PDFInfo
- Publication number
- JP2017193245A JP2017193245A JP2016084431A JP2016084431A JP2017193245A JP 2017193245 A JP2017193245 A JP 2017193245A JP 2016084431 A JP2016084431 A JP 2016084431A JP 2016084431 A JP2016084431 A JP 2016084431A JP 2017193245 A JP2017193245 A JP 2017193245A
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- Prior art keywords
- ehc
- current sensor
- mode
- power
- abnormality detection
- Prior art date
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- 230000005856 abnormality Effects 0.000 claims abstract description 181
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- 238000005485 electric heating Methods 0.000 claims description 11
- 230000000779 depleting effect Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 24
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
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- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
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Classifications
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Abstract
Description
図1は、この発明の実施の形態1に従うハイブリッド車両の全体構成図である。図1を参照して、このハイブリッド車両1は、エンジン10と、モータジェネレータ15,20と、動力分割装置25と、駆動輪30と、排気通路80と、EHC装置82とを備える。
(i)エンジン10が停止している。
(ii)車両の駆動力指令が0である。
(iii)EHC装置82へ供給可能な電力が所定値を超えている。
実施の形態1では、EHC85は、EHC電源90を通じて昇圧コンバータ55の低圧側に電気的に接続されるものとしたが、この実施の形態2では、昇圧コンバータ55の高圧側にEHC85が電気的に接続される。
Claims (6)
- 内燃機関及び車両走行用の電動機を搭載するハイブリッド車両であって、
前記電動機に供給される電力を蓄える蓄電装置と、
前記内燃機関から排出される排気ガスを浄化する触媒を有し、前記蓄電装置から電力を受けて前記触媒を電気加熱するように構成された電気加熱式触媒装置と、
前記電気加熱式触媒装置に供給される電流を検出する第1の電流センサと、
前記蓄電装置の入出力電流を検出する第2の電流センサと、
前記第1の電流センサの異常を検出する異常検出処理を実行する制御装置とを備え、
前記制御装置は、前記異常検出処理において、前記第2の電流センサの検出値を用いて前記電気加熱式触媒装置に供給される電流を推定し、その推定値と前記第1の電流センサの検出値とを比較することによって前記第1の電流センサの異常を検出する、ハイブリッド車両。 - 内燃機関及び車両走行用の電動機を搭載するハイブリッド車両であって、
前記電動機に供給される電力を蓄える蓄電装置と、
前記電動機を駆動するインバータと、
前記蓄電装置と前記インバータとの間に設けられるコンバータと、
前記内燃機関から排出される排気ガスを浄化する触媒を有し、前記コンバータと前記インバータとを結ぶ電力線から電力を受けて前記触媒を電気加熱するように構成された電気加熱式触媒装置と、
前記電気加熱式触媒装置に供給される電流を検出する第1の電流センサと、
前記蓄電装置から前記コンバータに供給される電流を検出する第2の電流センサと、
前記第1の電流センサの異常を検出する異常検出処理を実行する制御装置とを備え、
前記制御装置は、前記異常検出処理において、前記第2の電流センサの検出値を用いて前記電気加熱式触媒装置に供給される電流を推定し、その推定値と前記第1の電流センサの検出値とを比較することによって前記第1の電流センサの異常を検出する、ハイブリッド車両。 - 前記ハイブリッド車両は、CD(Charge Depleting)モード及びCS(Charge Sustaining)モードのいずれかを選択して走行可能であり、
前記異常検出処理は、前記CDモード中に、前記蓄電装置の充電状態が所定量よりも低く、かつ、前記電気加熱式触媒装置の触媒温度が所定値よりも低い場合、又は、前記CSモード中に、前記触媒温度が前記所定値よりも低く、かつ、前記内燃機関が停止している場合に実行される第1の処理を含み、
前記第1の処理は、前記電気加熱式触媒装置の暖機を行ないつつ前記異常検出処理を実行するために必要とされる第1の電力となるように、前記電気加熱式触媒装置に供給される電力を制御する処理を含む、請求項1又は請求項2に記載のハイブリッド車両。 - 前記異常検出処理は、前記CDモード中に前記充電状態が前記所定量以上の場合、又は、前記CSモード中に前記触媒温度が前記所定値以上の場合に実行される第2の処理をさらに含み、
前記第2の処理は、前記第1の電力よりも小さい第2の電力となるように、前記電気加熱式触媒装置に供給される電力を制御する処理を含む、請求項3に記載のハイブリッド車両。 - 前記ハイブリッド車両は、CD(Charge Depleting)モード及びCS(Charge Sustaining)モードのいずれかを選択して走行可能であり、
前記異常検出処理は、
前記CDモード中に、前記蓄電装置の充電状態が所定量よりも低く、かつ、前記電気加熱式触媒装置の触媒温度が所定値よりも低い場合に実行される第1の処理と、
前記CDモード中に前記充電状態が前記所定量以上の場合に実行される第2の処理とを含み、
前記第1の処理は、前記電気加熱式触媒装置の暖機を行ないつつ前記異常検出処理を実行するために必要とされる第1の電力となるように、前記電気加熱式触媒装置に供給される電力を制御する処理を含み、
前記第2の処理は、前記第1の電力よりも小さい第2の電力となるように、前記電気加熱式触媒装置に供給される電力を制御する処理を含む、請求項1又は請求項2に記載のハイブリッド車両。 - 前記ハイブリッド車両は、CD(Charge Depleting)モード及びCS(Charge Sustaining)モードのいずれかを選択して走行可能であり、
前記異常検出処理は、
前記CSモード中に、前記電気加熱式触媒装置の触媒温度が所定値よりも低く、かつ、前記内燃機関が停止している場合に実行される第1の処理と、
前記CSモード中に前記触媒温度が前記所定値以上の場合に実行される第2の処理とを含み、
前記第1の処理は、前記電気加熱式触媒装置の暖機を行ないつつ前記異常検出処理を実行するために必要とされる第1の電力となるように、前記電気加熱式触媒装置に供給される電力を制御する処理を含み、
前記第2の処理は、前記第1の電力よりも小さい第2の電力となるように、前記電気加熱式触媒装置に供給される電力を制御する処理を含む、請求項1又は請求項2に記載のハイブリッド車両。
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