JP5152338B2 - 非接触充電装置および非接触受電装置 - Google Patents
非接触充電装置および非接触受電装置 Download PDFInfo
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- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60L53/00—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
- 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
- B60L53/12—Inductive energy transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
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- H—ELECTRICITY
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- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Description
図1は、この発明の実施の形態1による給電システムの全体構成図である。図1を参照して、この給電システムは、電動車両100と、給電装置200とを備える。電動車両100は、二次自己共振コイル110と、二次コイル120と、整流器130と、DC/DCコンバータ140と、蓄電装置150とを含む。また、電動車両100は、パワーコントロールユニット(以下「PCU(Power Control Unit)」とも称する。)160と、モータ170と、車両ECU(Electronic Control Unit)180と、通信装置190とをさらに含む。
図5を参照して、DC/DCコンバータ140は、直交変換部142と、トランス部144と、整流部146とを含む。直交変換部142は、車両ECU180からの信号PWDに基づいてオンオフ駆動されるスイッチング素子を含み、図4の整流器130から供給される直流電力を交流電力に変換してトランス部144へ出力する。
図6を参照して、共鳴する二次自己共振コイル110に近接して受電用の二次コイル120が配置されている。二次コイル120の一端がリレー112を介して整流器130に接続され、受電コイルの他端は整流器130に直接接続されている。整流器130は、たとえばダイオードブリッジで形成されている。整流器130で整流された電圧は平滑コンデンサで平滑される。この平滑された電圧が電圧VHとして電圧センサ192で検出される。電圧VHは、充電器として作動するDC/DCコンバータ140に与えられる。
図8を参照して、車両の非接触受電装置が受電中は、ステップS51において正常終了トリガが発生するか否かが監視されている。たとえば、蓄電装置150の充電状態(SOC)が管理上限値(満充電とする値)となるまで充電が進んだ場合や、充電終了ボタンが押された場合や、電池温度や電池電圧が充電に適する所定範囲外になった場合に正常終了トリガが発生する。
実施の形態2は、実施の形態1の図4や図6に示したリレー112の構成を変形したものである。したがって、他の部分の構成については、実施の形態1と同様であるので、説明は繰返さない。
図10を参照して、共鳴する二次自己共振コイル110に近接して受電用の二次コイル120が配置されている。二次コイル120の一端がリレー112Bを介して整流器130に接続され、受電コイルの他端はリレー112Gを介して整流器130に接続されている。このリレー112Gが追加されている点が、実施の形態2が実施の形態1と異なる点である。リレー112Bが溶着する故障を起こしたときでもリレー112Gをオフにすれば受電されている電力を遮断することができる。
Claims (9)
- 送電装置から非接触で電力を受電する受電部と、
前記受電部によって受電した電力を整流する整流器と、
前記整流器により整流された電力を蓄える蓄電装置と、
前記整流器と前記蓄電装置との間を結ぶ経路に配されており、前記整流器と前記蓄電装置との間を結ぶ経路を電気的に遮断可能なリレーと、
前記整流器と前記リレーを結ぶ経路の電圧を検出する電圧検出部と、
前記リレーを制御する制御部とを備え、
前記制御部は、前記送電装置から前記受電部に送電が行なわれていないときに、前記リレーによって前記整流器と前記蓄電装置との間を結ぶ経路の電気的な接続を遮断させ、前記電圧検出部で検出された電圧に基づいて、前記リレーの遮断が行なわれているか否かを判定する判定部を含み、
前記受電部から前記整流器に電力を送る経路上に設けられ、前記受電部と前記整流器との間を結ぶ経路を電気的に遮断可能な第2のリレーとをさらに備え、
前記判定部により前記リレーの遮断が行なわれていると判定された後であり前記送電装置から前記受電部に電力が伝送されているときに、前記第2のリレーの遮断が行なわれているか否かを判定することを特徴とする、非接触充電装置。 - 前記判定部は、前記リレーによって前記受電部と前記蓄電装置との間を結ぶ経路の電気的な接続を遮断させた後に前記電圧検出部で検出された電圧が所定のしきい値より小さくなった場合に、前記リレーの遮断が行なわれていると判定する、請求項1に記載の非接触充電装置。
- 前記判定部は、受電開始指令が与えられた後に、前記リレーによって前記受電部と前記蓄電装置との間を結ぶ経路の電気的な接続を遮断させ、前記電圧検出部で検出された電圧に基づいて前記リレーの遮断が行なわれているか否かを判定することを特徴とする、請求項1または2に記載の非接触充電装置。
- 前記送電装置と通信する通信部をさらに備え、
前記通信部は、前記判定部により前記リレーの遮断が行なわれていると判定された後に、前記第2のリレーを接続状態とし、前記送電装置に送電を要求する、請求項1に記載の非接触充電装置。 - 前記第2のリレーは、
前記受電部のコイル両端部にそれぞれ接続されるリレー対を含み、
前記送電装置と通信する通信部をさらに備え、
前記制御部は、前記リレーの遮断が正常に行なわれることが確認された後に、前記リレー対の一方を接続状態、他方を非接続状態とし、前記通信部を用いて前記送電装置に送電を要求して、前記リレー対の前記他方が正常に非接続状態に制御されたかを確認する、請求項1に記載の非接触充電装置。 - 前記非接触充電装置は、
前記整流器で整流された電力を負荷に供給するために電圧変換する電圧変換部と、
前記整流器と前記電圧変換部とを結ぶ送電経路の電圧を検出する第2電圧検出部とをさらに備え、
前記制御部は、前記送電装置に対して送電要求を行ない、前記第2電圧検出部で検出する電圧が上昇しなければ、前記リレー対の前記他方の遮断が正常に行なわれていると判断する、請求項5に記載の非接触充電装置。 - 前記制御部は、前記リレー対の前記他方の遮断が正常に行なわれたと判断した場合には、前記送電装置に対して一旦送電停止を要求し、前記リレー対の前記一方を非接続状態、前記他方を接続状態に制御し、再び前記送電装置に対して送電を要求して前記リレー対の前記一方の遮断が正常に行なわれているか確認する、請求項6に記載の非接触充電装置。
- 前記制御部は、前記リレー対の前記他方および前記一方がともに遮断が正常に実行できることを確認した後に、前記リレーおよび前記第2のリレーをともに接続状態に制御し、前記送電装置に対して送電要求を行ない、前記負荷に対して電力供給を実行させる、請求項7に記載の非接触充電装置。
- 電源から電力を受けて送電を行なう送電コイルから電力を受電する非接触受電装置であって、
前記送電コイルから送電された電力を非接触により受電する受電コイルと、
前記受電コイルによって受電した電力を整流する整流器と、
蓄電装置と、
前記整流器で整流された電力を前記蓄電装置に供給するため電圧変換する電圧変換部と、
前記受電コイルから前記整流器に電力を送る経路上に設けられ電力を遮断する第1リレーと、
前記電圧変換部から前記蓄電装置に電力を送る経路上に設けられ電力を遮断する第2リレーと、
前記電圧変換部と前記第2リレーとを結ぶ経路の電圧を検出する第1電圧検出部と、
前記第2リレーを制御する制御部とを備え、
前記制御部は、前記送電コイルから送電が行なわれていないときに、前記第2リレーによって前記電圧変換部から前記蓄電装置に電力を送る経路を遮断させ、前記第1電圧検出部で検出された電圧に基づいて前記第2リレーの遮断が正常に行なわれているか否かを判断する遮断確認動作を実行し、前記第2リレーの遮断が正常に行なわれていると判定された後であり前記送電コイルから前記受電コイルに電力が伝送されているときに、前記第1リレーの遮断が行なわれているか否かを判定することを特徴とする、非接触受電装置。
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PCT/JP2008/066951 WO2010032309A1 (ja) | 2008-09-19 | 2008-09-19 | 非接触受電装置およびそれを備える車両 |
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EP (1) | EP2330716B1 (ja) |
JP (1) | JP5152338B2 (ja) |
CN (1) | CN102160254B (ja) |
WO (1) | WO2010032309A1 (ja) |
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Also Published As
Publication number | Publication date |
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US8421409B2 (en) | 2013-04-16 |
CN102160254B (zh) | 2013-11-13 |
EP2330716A1 (en) | 2011-06-08 |
WO2010032309A1 (ja) | 2010-03-25 |
EP2330716A4 (en) | 2012-08-29 |
CN102160254A (zh) | 2011-08-17 |
US20100295506A1 (en) | 2010-11-25 |
EP2330716B1 (en) | 2018-09-05 |
JPWO2010032309A1 (ja) | 2012-02-02 |
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