JP7044505B2 - 非接触電力伝送装置、送電装置、および、受電装置 - Google Patents
非接触電力伝送装置、送電装置、および、受電装置 Download PDFInfo
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- H—ELECTRICITY
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- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
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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
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- H—ELECTRICITY
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
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- H—ELECTRICITY
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- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
- H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/81—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal arranged for operation in parallel
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- B60—VEHICLES IN GENERAL
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- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
- B60L2210/42—Voltage source inverters
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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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/4815—Resonant converters
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- 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
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- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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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
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- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
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Description
図1、および、図2は、本実施形態にかかる非接触電力伝送装置の概略構成を説明するブロック図である。図1では、本実施形態にかかる非接触電力伝送装置が、それぞれ送電装置、および、受電装置として用いられ、電力を送受電している状態を示す図である。一方、図2では、送電装置としても受電装置としても機能する本実施形態にかかる非接触電力伝送装置の主要部の構成をより詳細に説明する図である。
次に、本実施形態にかかる非接触電力伝送装置について、送電装置として用いる場合の動作を具体的に説明する。
図5は、本実施形態で説明する送電装置の電力伝送動作時における端子電圧波形と共振電流波形を示すタイミングチャートである。
次に、本実施形態で説明する送電回路における、電力制御や省電力のための動作について説明する。
図7は、本実施形態にかかる送電装置において、送電を休止する動作を行う際の電流の流れを説明するための送電装置の回路構成図である。
次に、本実施形態にかかる非接触電力伝送装置について、受電装置として用いる場合の動作を具体的に説明する。
図11は、本実施形態で説明する受電装置の電力伝送動作時における端子電圧波形と共振電流波形を示す図である。
図12は、本実施形態にかかる受電装置において、送電装置から送電された電力の整流動作を休止する電流の流れを説明するための受電装置の回路構成図である。
以上説明したように、本実施形態で説明した非接触電力伝送装置は、同じ構成の装置を送電装置としても受電装置としても使用することができるので、一対の装置間での双方向の非接触電力伝送を行うことができる。
11 電源
12 フルブリッジ回路(スイッチング回路)
13 送電共振系(共振系)
14 駆動制御回路
15 検出回路
20 受電装置
21 電源
22 フルブリッジ回路(スイッチング回路)
23 受電共振系(共振系)
24 駆動制御回路
25 検出回路
Claims (11)
- 非接触での双方向の電力伝送が可能な電力伝送装置であって、
電源と、
複数のスイッチング素子からなるフルブリッジ回路で構成され、前記電源とグランドとの間に配置されたスイッチング回路と、
コイルとコンデンサとが直列または並列に接続された共振系と、
前記スイッチング回路を構成する各スイッチング素子のON/OFF動作を制御する駆動制御回路と、
前記スイッチング回路を流れる共振電流を検出する検出回路とを備え、
前記検出回路は、前記フルブリッジ回路のグランド側のスイッチング素子を流れる電流を検出する第1の抵抗と第2の抵抗とを有し、
前記フルブリッジ回路のグランド側のスイッチング素子を流れる電流から得られた共振電流波形に基づいて、前記駆動制御回路が前記スイッチング回路を構成する各スイッチング素子のON/OFFを制御して、送電動作および受電動作のいずれかを選択的に行うことを特徴とする、非接触電力伝送装置。 - 送電装置として用いられた際に、前記検出回路により検出された前記共振電流波形の位相に合わせて前記スイッチング回路から前記共振系に所定の方向の電流が供給されるように、前記駆動制御回路が各スイッチング素子のON/OFF動作を制御する、請求項1に記載の非接触電力伝送装置。
- 送電装置として用いられた際に、前記駆動制御回路が、前記検出回路により検出された前記共振電流波形の位相に合わせて、前記各スイッチング素子に印加される電圧の印加時間幅を変更するPWM制御を行う、請求項1に記載の非接触電力伝送装置。
- 送電装置として用いられた際に、前記駆動制御回路が、前記スイッチング回路の前記電源側、または、グランド側のいずれかのスイッチング素子のみをONとして、前記共振系からの電力の伝送を休止する、請求項1に記載の非接触電力伝送装置。
- 送電装置として用いられた際に、前記駆動制御回路が、前記検出回路により検出された前記共振電流波形の位相に合わせて、前記共振系から前記スイッチング回路に電流が供給されるように各スイッチング素子のON/OFF動作を制御する、請求項1に記載の非接触電力伝送装置。
- 受電装置として用いられた際に、前記駆動制御回路が、前記検出回路により検出された前記共振電流波形の位相に基づいて、前記各スイッチング素子のON/OFF動作を制御して前記共振系から出力される電流を整流する、請求項1~5のいずれかに記載の非接触電力伝送装置。
- 受電装置として用いられた際に、前記駆動制御回路が、前記スイッチング回路の前記電源側、または、グランド側のいずれかのスイッチング素子のみをONとして、前記共振系での受電を休止する、請求項1~5のいずれかに記載の非接触電力伝送装置。
- 受電装置として用いられた際に、前記駆動制御回路が、前記検出回路により検出された前記共振電流波形の位相に合わせて、前記スイッチング回路から前記共振系に電流が供給されるように各スイッチング素子のON/OFF動作をする、請求項1~5のいずれかに記載の非接触電力伝送装置。
- 前記検出回路が、前記スイッチング回路のグランド側に配置されたスイッチング素子を流れる電流を検知する、請求項1~8のいずれかに記載の非接触電力伝送装置。
- 非接触で電力を送電する送電装置であって、
電源と、
複数のスイッチング素子からなるフルブリッジ回路で構成され、前記電源とグランドとの間に配置されたスイッチング回路と、
コイルとコンデンサとが直列または並列に接続された送電共振系と、
前記スイッチング回路を構成する各スイッチング素子のON/OFF動作を制御する駆動制御回路と、
前記スイッチング回路を流れる共振電流を検出する検出回路とを備え、
前記検出回路は、前記フルブリッジ回路のグランド側のスイッチング素子を流れる電流を検出する第1の抵抗と第2の抵抗とを有し、
前記フルブリッジ回路のグランド側のスイッチング素子を流れる電流から得られた共振電流波形に基づいて、前記駆動制御回路が前記スイッチング回路を構成する各スイッチング素子のON/OFFを制御して送電動作を行うことを特徴とする、送電装置。 - 非接触で電力を受電する受電装置であって、
電源と、
複数のスイッチング素子からなるフルブリッジ回路で構成され、前記電源とグランドとの間に配置されたスイッチング回路と、
コイルとコンデンサとが直列または並列に接続された受電共振系と、
前記スイッチング回路を構成する各スイッチング素子のON/OFF動作を制御する駆動制御回路と、
前記スイッチング回路を流れる共振電流を検出する検出回路とを備え、
前記検出回路は、前記フルブリッジ回路のグランド側のスイッチング素子を流れる電流を検出する第1の抵抗と第2の抵抗とを有し、
前記フルブリッジ回路のグランド側のスイッチング素子を流れる電流から得られた共振電流波形に基づいて、前記駆動制御回路が前記スイッチング回路を構成する各スイッチング素子のON/OFFを制御して受電動作を行うことを特徴とする、受電装置。
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