WO2010131349A1 - 車両用充電装置 - Google Patents
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Abstract
Description
図1は、この発明の実施の形態1による車両用充電装置が適用される車両の全体構成図である。図1を参照して、車両1は、エンジン10と、モータジェネレータ12,14と、動力分割装置16と、駆動輪18とを備える。また、車両1は、インバータ20,22と、コンバータ24と、蓄電装置26と、システムメインリレー(SMR)28と、MG-ECU(Electronic Control Unit)30とをさらに備える。さらに、車両1は、充電器32と、受電端子34と、非接触受電部36と、充電ECU40と、通信装置41とをさらに備える。また、さらに、車両1は、DC/DCコンバータ42と、補機44とをさらに備える。
この実施の形態2では、さらに、非接触受電部36を用いた非接触充電の効率低下が判定されると、非接触充電が禁止され、コンダクティブ充電が実行される。
実施の形態1,2では、非接触受電部36は、充電器32の整流部102に接続されるものとしたが、非接触受電部に整流器を設けて充電器の直流部に非接触受電部を接続してもよい。
この実施の形態4では、受電端子34からのコンダクティブ充電と非接触受電部36Aを用いた非接触充電とを同時に実行可能である。そして、コンダクティブ充電と非接触充電とが同時に実行されるとき、充電器において非接触受電部36Aが接続される直流リンクの電圧が、非接触受電電力の大きさに基づいて制御される。これにより、非接触充電において送電側と受電側とでインピーダンスマッチングをとることができ、高効率な非接触充電を実現できる。
ここで、Pは、非接触受電電力であり、Rは、目標インピーダンスである。非接触受電部36Aが接続されるノードN3,N4間の電圧VHを上記の目標電圧VHrefに制御することにより、受電電力に依存することなくインピーダンスを目標インピーダンスRに設定することができる。そして、たとえば目標インピーダンスRを給電設備側のインピーダンス値に基づいて設定することにより、非接触充電において送電側と受電側とでインピーダンスマッチングをとることができる。
Claims (7)
- 車両に搭載された蓄電装置(26)を車両外部の交流電源から充電するための車両用充電装置であって、
前記交流電源に電気的に接続可能に構成された受電端子(34)と、
前記受電端子から入力される交流電力を所定の直流電圧に変換するように構成された充電器(32,32A)と、
前記交流電源の送電部と磁気的に結合することによって前記交流電源から非接触で受電するように構成された非接触受電部(36,36A)とを備え、
前記非接触受電部は、前記充電器の電力変換回路に接続され、さらに、
前記受電端子から入力される電力を示す第1の受電電力と前記非接触受電部により受電される電力を示す第2の受電電力とを比較し、その比較結果に基づいて、前記第1および第2の受電電力のうち大きい方を用いて充電を実行するように前記充電器を制御する制御装置(40)を備える車両用充電装置。 - 前記制御装置は、前記非接触受電部による受電の効率低下を示す状態量に基づいて受電効率の低下が検知されると、前記第1の受電電力を用いて充電を実行するように前記充電器を制御する、請求の範囲1に記載の車両用充電装置。
- 前記充電器(32)は、
前記受電端子から入力される交流電力を整流可能に構成された第1の整流部(102)と、
前記第1の整流部に接続されるインバータ(104)と、
前記インバータに接続される絶縁トランス(106)と、
前記絶縁トランスの出力を整流するように構成された第2の整流部(108)とを含み、
前記非接触受電部(36)は、前記第1および第2の整流部のいずれかに接続される、請求の範囲1または2に記載の車両用充電装置。 - 前記充電器(32A)は、
前記受電端子から入力される交流電力を整流可能に構成された第1の整流部(102)と、
前記第1の整流部に接続されるインバータ(104)と、
前記インバータに接続される絶縁トランス(106)と、
前記絶縁トランスの出力を整流するように構成された第2の整流部(108)とを含み、
前記非接触受電部(36A)は、
前記送電部に設けられる送電コイルと磁気的に結合するように構成された受電コイル(38)と、
前記受電コイルの出力を整流するように構成された第3の整流部(110)とを含み、
前記第1の整流部と前記インバータとの間に前記第3の整流部が接続される、請求の範囲1または2に記載の車両用充電装置。 - 車両に搭載された蓄電装置を車両外部の交流電源から充電するための車両用充電装置であって、
前記交流電源に電気的に接続可能に構成された受電端子(34)と、
前記受電端子から入力される交流電力を所定の直流電圧に変換するように構成された充電器(32B)と、
前記交流電源の送電部と磁気的に結合することによって前記交流電源から非接触で受電するように構成された非接触受電部(36A)と、
前記充電器を制御する制御装置(40A)とを備え、
前記充電器は、
前記受電端子から入力される交流電力を整流可能に構成された第1の整流部(102)と、
前記第1の整流部に接続されるインバータ(104)と、
前記インバータに接続される絶縁トランス(106)と、
前記絶縁トランスの出力を整流するように構成された第2の整流部(108)とを含み、
前記非接触受電部は、
前記送電部に設けられる送電コイルと磁気的に結合するように構成された受電コイル(38)と、
前記受電コイルの出力を整流するように構成された第3の整流部(110)とを含み、
前記第1の整流部と前記インバータとの間に前記第3の整流部が接続され、
前記制御装置は、前記非接触受電部により受電される電力を用いて充電が実行されるとき、前記第3の整流部が接続される前記第1の整流部と前記インバータとの間の直流電圧を前記非接触受電部により受電される電力の大きさに基づいて調整する、車両用充電装置。 - 前記制御装置は、前記非接触受電部により受電される電力および前記受電端子から入力される電力の双方を用いて同時に充電が実行されるとき、前記第3の整流部が接続される前記第1の整流部と前記インバータとの間の直流電圧を前記非接触受電部により受電される電力の大きさに基づいて調整する、請求の範囲5に記載の車両用充電装置。
- 前記制御装置は、前記非接触受電部の受電電力値に目標インピーダンスを乗算した値の平方根から成る値に前記直流電圧を調整する、請求の範囲5または6に記載の車両用充電装置。
Priority Applications (5)
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EP09844622.2A EP2431214B1 (en) | 2009-05-14 | 2009-05-14 | Vehicle charging unit |
CN200980159272.3A CN102421628B (zh) | 2009-05-14 | 2009-05-14 | 车辆用充电装置 |
PCT/JP2009/058979 WO2010131349A1 (ja) | 2009-05-14 | 2009-05-14 | 車両用充電装置 |
US13/203,862 US8810205B2 (en) | 2009-05-14 | 2009-05-14 | Charging device for vehicle |
JP2011513185A JP4930653B2 (ja) | 2009-05-14 | 2009-05-14 | 車両用充電装置 |
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EP (1) | EP2431214B1 (ja) |
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JP2014117049A (ja) * | 2012-12-07 | 2014-06-26 | Sekisui Chem Co Ltd | 非接触給電システム、送電システム、受電システム、送電方法、受電方法及びプログラム |
US9878628B2 (en) | 2013-03-29 | 2018-01-30 | Nissan Motor Co., Ltd. | Power supply device, vehicle and non-contact power supply system |
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Also Published As
Publication number | Publication date |
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JPWO2010131349A1 (ja) | 2012-11-01 |
US20120043807A1 (en) | 2012-02-23 |
EP2431214B1 (en) | 2019-02-27 |
EP2431214A4 (en) | 2017-05-03 |
CN102421628A (zh) | 2012-04-18 |
US8810205B2 (en) | 2014-08-19 |
CN102421628B (zh) | 2014-04-23 |
EP2431214A1 (en) | 2012-03-21 |
JP4930653B2 (ja) | 2012-05-16 |
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