JP2016032404A - 非接触給電装置および非接触給電システム - Google Patents
非接触給電装置および非接触給電システム Download PDFInfo
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- 230000003111 delayed effect Effects 0.000 description 7
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
-
- 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
- H02J5/00—Circuit arrangements for transfer of electric power between ac networks and dc networks
-
- 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
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/3353—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having at least two simultaneously operating switches on the input side, e.g. "double forward" or "double (switched) flyback" converter
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/337—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration
- H02M3/3376—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current
- H02M3/3378—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current in a push-pull configuration of the parallel type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
- H04B5/266—One coil at each side, e.g. with primary and secondary coils
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Inverter Devices (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
まず、図1を参照して、本発明の第1実施形態による非接触給電システム100の構成について説明する。
次に、図4および図5を参照して、第2実施形態について説明する。この第2実施形態では、信号生成部13により生成された参照用信号S2に基づく時点で、スイッチ部14により給電コイル12aに流れる電流の方向を切り替えた上記第1実施形態の構成とは異なり、駆動信号S1の位相と共振回路12に発生する交流電圧の位相との位相差φ3に基づく時点で、スイッチ部14により給電コイル12aに流れる電流の方向を切り替える例について説明する。なお、上記第1実施形態と同一の構成については、同じ符号を付してその説明を省略する。
次に、図6および図7を参照して、第3実施形態について説明する。この第3実施形態では、駆動信号S1の位相と共振回路12に発生する交流電圧の位相との位相差φ3に基づく時点で、スイッチ部14により給電コイル12aに流れる電流の方向を切り替えた第2実施形態とは異なり、参照用信号S22と共振回路12に発生する交流電圧の位相との位相差φ4に基づく時点で、スイッチ部14により給電コイル12aに流れる電流の方向を切り替える例について説明する。なお、上記第1および第2実施形態と同一の構成については、同じ符号を付してその説明を省略する。
2 受電装置
11 電源部
12 共振回路
12a 給電コイル
12b 共振コンデンサ
13、113、213 信号生成部
14 スイッチ部
14a スイッチ素子(第1スイッチ素子)
14b スイッチ素子(第2スイッチ素子)
15、115、215 スイッチ制御部
100、200、300 非接触給電システム
Claims (8)
- 共鳴方式により非接触で受電装置に電力を給電する給電コイルと、共振コンデンサとを有する共振回路と、
所定の駆動周波数を有する駆動信号に基づいて、前記共振回路に交流電力を供給するための電源部と、
前記共振回路の前記給電コイルに流れる電流の方向を切り替えるためのスイッチ部と、
前記駆動信号の位相と前記共振回路の振動の位相とを略一致させるように、前記給電コイルに流れる電流の方向を切り替える前記スイッチ部を制御するスイッチ制御部と、を備える、非接触給電装置。 - 前記スイッチ部は、前記給電コイルの一端に接続される第1スイッチ素子と、前記給電コイルの他端に接続される第2スイッチ素子とを有し、
前記スイッチ制御部は、前記第1スイッチ素子と前記第2スイッチ素子とをスイッチングすることにより、前記共振回路の前記給電コイルに流れる電流の方向を切り替える制御を行うように構成されている、請求項1に記載の非接触給電装置。 - 前記スイッチ制御部は、前記駆動信号の駆動タイミングに対応する位相に対して位相が略90度ずれた時点で、前記スイッチ部により前記給電コイルに流れる電流の方向を切り替える制御を行うことにより、前記駆動信号の位相と前記共振回路の振動の位相とを略一致させるように構成されている、請求項1または2に記載の非接触給電装置。
- 前記駆動信号の駆動タイミングに対応する位相に対して位相が略90度ずれた信号を生成する信号生成部をさらに備え、
前記スイッチ制御部は、前記信号生成部により生成された前記信号に基づいて、前記駆動信号の駆動タイミングに対応する位相に対して位相が略90度ずれた時点で、前記スイッチ部により前記給電コイルに流れる電流の方向を切り替える制御を行うことにより、前記駆動信号の位相と前記共振回路の振動の位相とを略一致させるように構成されている、請求項1〜3のいずれか1項に記載の非接触給電装置。 - 前記スイッチ制御部は、前記駆動信号の位相と前記共振回路の振動の位相との位相差に基づいて、前記スイッチ部により前記給電コイルに流れる電流の方向を切り替える制御を行うことにより、前記駆動信号の位相と前記共振回路の振動の位相とを略一致させるように構成されている、請求項1〜3のいずれか1項に記載の非接触給電装置。
- 前記駆動信号の駆動タイミングに対応する位相に対して位相が略90度ずれた信号を生成する信号生成部をさらに備え、
前記スイッチ制御部は、前記信号生成部により生成された前記信号の位相と前記共振回路の振動の位相との位相差に基づいて、前記スイッチ部により前記給電コイルに流れる電流の方向を切り替える制御を行うことにより、前記駆動信号の位相と前記共振回路の振動の位相とを略一致させるように構成されている、請求項1〜3のいずれか1項に記載の非接触給電装置。 - 前記共振回路は、前記駆動信号の位相と前記共振回路の振動の位相との位相差が略1/4周期未満になるように構成されている、請求項1〜6のいずれか1項に記載の非接触給電装置。
- 受電装置と、
共鳴方式により非接触で前記受電装置に電力を給電する給電装置と、を備え、
前記給電装置は、
給電コイルと、共振コンデンサとを有する共振回路と、
所定の駆動周波数を有する駆動信号に基づいて、前記共振回路に交流電力を供給するための電源部と、
前記共振回路の前記給電コイルに流れる電流の方向を切り替えるためのスイッチ部と、
前記駆動信号の位相と前記共振回路の振動の位相とを略一致させるように、前記給電コイルに流れる電流の方向を切り替える前記スイッチ部を制御するスイッチ制御部と、を含む、非接触給電システム。
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JP2014154921A JP6269375B2 (ja) | 2014-07-30 | 2014-07-30 | 非接触給電装置および非接触給電システム |
EP15179072.2A EP2999080B1 (en) | 2014-07-30 | 2015-07-30 | Wireless power supply device |
US14/813,671 US10153643B2 (en) | 2014-07-30 | 2015-07-30 | Wireless power supply device and wireless power supply system |
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CN107689649A (zh) * | 2016-08-04 | 2018-02-13 | 通用电气公司 | 用于对接收器装置充电的系统和方法 |
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CN110043435A (zh) * | 2019-04-24 | 2019-07-23 | 南京理工大学 | 基于磁相变合金的振动能量收集器 |
US10756578B1 (en) | 2019-05-31 | 2020-08-25 | Sigmasense, Llc. | Wireless power transfer with in-line sensing and control |
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JP2013172490A (ja) * | 2012-02-17 | 2013-09-02 | Keio Gijuku | 無線給電装置 |
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JP2006074848A (ja) | 2004-08-31 | 2006-03-16 | Hokushin Denki Kk | 非接触電力伝送装置 |
JP5027264B2 (ja) | 2010-02-26 | 2012-09-19 | 三菱電機株式会社 | 非接触設定装置、及びプログラム |
US9640316B2 (en) * | 2011-06-07 | 2017-05-02 | Sekisui Chemical Co., Ltd. | Contactless power transfer system, contactless power transfer device, contactless power transfer program and contactless power transfer method |
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WO2013057896A1 (ja) * | 2011-10-18 | 2013-04-25 | 株式会社アドバンテスト | ワイヤレス受電装置、ワイヤレス給電装置およびワイヤレス給電システム |
JP5915904B2 (ja) * | 2012-06-22 | 2016-05-11 | ソニー株式会社 | 処理装置、処理方法、及び、プログラム |
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JP5549745B2 (ja) * | 2010-12-14 | 2014-07-16 | Tdk株式会社 | ワイヤレス給電装置およびワイヤレス電力伝送システム |
JP2013074756A (ja) * | 2011-09-28 | 2013-04-22 | Advantest Corp | ワイヤレス受電装置、ワイヤレス給電装置およびワイヤレス給電システム |
JP2013172490A (ja) * | 2012-02-17 | 2013-09-02 | Keio Gijuku | 無線給電装置 |
JP2013187962A (ja) * | 2012-03-06 | 2013-09-19 | Advantest Corp | ワイヤレス受電装置、ワイヤレス給電装置およびワイヤレス送電システム |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107689649A (zh) * | 2016-08-04 | 2018-02-13 | 通用电气公司 | 用于对接收器装置充电的系统和方法 |
CN107689649B (zh) * | 2016-08-04 | 2024-01-23 | 通用电气公司 | 用于对接收器装置充电的系统和方法 |
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EP2999080B1 (en) | 2019-11-20 |
US10153643B2 (en) | 2018-12-11 |
EP2999080A1 (en) | 2016-03-23 |
US20160036242A1 (en) | 2016-02-04 |
JP6269375B2 (ja) | 2018-01-31 |
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