JP2020048403A - 無線電力送信機を動作させる方法とそれを用いた無線電力送信機 - Google Patents
無線電力送信機を動作させる方法とそれを用いた無線電力送信機 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 26
- 230000001965 increasing effect Effects 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000012546 transfer Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000001939 inductive effect Effects 0.000 claims description 5
- 230000007423 decrease Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 241001125929 Trisopterus luscus Species 0.000 description 11
- 239000003990 capacitor Substances 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
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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
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/66—Regulating electric power
- G05F1/67—Regulating electric power to the maximum power available from a generator, e.g. from solar cell
-
- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
- H02J3/0075—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source according to economic or energy efficiency considerations, e.g. economic dispatch
-
- 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
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
102:無線電力送信機
104:電源
106:送信機コイル
108:受信機コイル
110:無線電力受信機
112:負荷
200:無線電力伝送システム
202:無線電力送信機
210:無線電力受信機
222:制御部
224:送信機コイルドライバ
226:通信部
232:制御部
234:RX整流器
236:通信部
310:電圧レギュレータ
520、530:ステップ
C1、C2、C3:コンデンサ
IOUT:Rx出力電流
POUT:Rx出力電力
Q1、Q2、Q3、Q4、Q5、Q6、Q7、Q8:スイッチ
VBRG:VINから無線電力送信機102によって生成され、送信機コイル106を介して駆動されるブリッジインバータによってAC電流に変換されるDC電圧
VOUT:Rx出力電圧
Claims (18)
- 無線電力送信機を動作させる方法であって、前記無線電力送信機の第1インダクタによって生成される磁場を介して電力が無線電力受信機に無線で転送され、前記無線電力受信機の第2インダクタに第2AC電流を誘導する無線電力転送動作において、
前記無線電力送信機が前記第2AC電流を第1の値にさせる工程と、
前記無線電力送信機が前記第1インダクタの出力電力を増加させ、前記無線電力受信機の出力電力を増加させる工程と、
を備える無線電力送信機を動作させる方法。 - 前記無線電力送信機の前記第1インダクタの前記出力電力を増加させるにあたり、前記無線電力送信機の前記第1インダクタに電力を供給するDC電圧を増加させる、
請求項1に記載の無線電力送信機を動作させる方法。 - 前記無線電力送信機の前記第1インダクタの前記出力電力を増加させるにあたり、前記無線電力送信機の前記第1インダクタを通る第1AC電流の周波数を増加させる、
請求項1に記載の無線電力送信機を動作させる方法。 - 前記無線電力送信機が前記第2AC電流を前記第1の値にさせるにあたり、前記無線電力送信機と前記無線電力受信機との間での通信を行い、前記第2AC電流を、可能な限り高い動作周波数または可能な限り高い電圧で動作させるように動作点を調整することにより、前記第2AC電流を最小の値に低減するコマンドを前記無線電力送信機が前記無線電力受信機に送信する、
請求項1に記載の無線電力送信機を動作させる方法。 - 前記コマンドの送信は、前記無線電力送信機と前記無線電力受信機との間での無線通信において実行される、
請求項4に記載の無線電力送信機を動作させる方法。 - 前記無線電力送信機が前記第2AC電流を前記第1の値にさせるにあたり、前記無線電力送信機は、前記無線電力受信機から第1の指示を受信するまで、前記無線電力送信機の前記第1インダクタの出力電力を低減する、
請求項1に記載の無線電力送信機を動作させる方法。 - 前記第1の指示は、前記無線電力受信機との無線通信において前記無線電力送信機に受信される、
請求項6に記載の無線電力送信機を動作させる方法。 - 前記第1の指示は、前記第2インダクタにおける最小電流振幅を示す、
請求項6に記載の無線電力送信機を動作させる方法。 - 前記第1の指示は、前記無線電力送信機の前記第1インダクタの出力電力を増加させる要求である、
請求項6に記載の無線電力送信機を動作させる方法。 - 無線電力送信機であって、
無線電力受信機の第2インダクタに第2AC電流を誘導する磁界を発生させるための第1インダクタと、
前記第2AC電流を第1の値にし、前記無線電力送信機の第1インダクタの出力電力を増加させて、前記無線電力受信機の出力電力を増加させるコントローラと、
そ備える無線電力送信機。 - 前記無線電力送信機の前記第1インダクタの出力電力を増加させるために、前記第1インダクタに電力を供給するDC電圧を増加させる
請求項10に記載の無線電力送信機。 - 前記無線電力送信機の前記第1インダクタの出力電力を増加させるために、前記第1インダクタを通る第1AC電流の周波数を増加させる、
請求項10に記載の無線電力送信機。 - 前記無線電力受信機の前記第2AC電流に前記第1の値にさせるにあたり、前記無線電力送信機は、前記無線電力受信機に、その出力電力の値を維持しつつ、前記第2AC電流を最小値に低減するコマンドを送信する、
請求項10に記載の無線電力送信機。 - 前記コマンドの送信は、前記無線電力送信機と前記無線電力受信機との間で無線通信において実行される、
請求項13に記載の無線電力送信機。 - 前記無線電力受信機の前記第2AC電流に前記第1の値を持たせる際に、前記無線電力送信機は、前記無線電力受信機から第1の指示を受信するまで、前記第1インダクタの出力電力を低減する、
請求項10に記載の無線電力送信機。 - 前記第1の指示は、前記無線電力送信機と前記無線電力受信機との間で無線通信において受信される、
請求項15に記載の送信機。 - 前記第1の指示は、前記無線電力受信機の前記第2インダクタにおける最小電流振幅を示す、
請求項15に記載の無線電力送信機。 - 前記第1の指示は、前記無線電力送信機の前記第1インダクタの出力電力を増加させる要求である、
請求項15に記載の無線電力送信機。
Applications Claiming Priority (4)
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US201862724519P | 2018-08-29 | 2018-08-29 | |
US62/724,519 | 2018-08-29 | ||
US16/388,476 US11005298B2 (en) | 2018-08-29 | 2019-04-18 | Wireless power maximum efficiency tracking by system control |
US16/388,476 | 2019-04-18 |
Publications (2)
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JP2020048403A true JP2020048403A (ja) | 2020-03-26 |
JP7004692B2 JP7004692B2 (ja) | 2022-01-21 |
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JP2019156286A Active JP7004692B2 (ja) | 2018-08-29 | 2019-08-29 | 無線電力送信機を動作させる方法とそれを用いた無線電力送信機 |
Country Status (5)
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US (1) | US11005298B2 (ja) |
EP (1) | EP3618226B1 (ja) |
JP (1) | JP7004692B2 (ja) |
KR (2) | KR20200026724A (ja) |
CN (1) | CN110875636B (ja) |
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KR20210119777A (ko) * | 2020-03-25 | 2021-10-06 | 삼성전자주식회사 | 전력 수신 장치에 전력 공급하는 무선전력전송 시스템에서의 전력 공급 장치 및 방법 |
CN111555612B (zh) * | 2020-06-01 | 2023-07-14 | 重庆瑜欣平瑞电子股份有限公司 | 一种基于恒定输出电压的磁耦合谐振式无线传能最大效率跟踪方法 |
US11336202B1 (en) * | 2021-05-12 | 2022-05-17 | Renesas Electronics America Inc. | Over voltage protection for wireless power receiver circuits |
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- 2019-04-18 US US16/388,476 patent/US11005298B2/en active Active
- 2019-08-28 KR KR1020190106024A patent/KR20200026724A/ko active IP Right Grant
- 2019-08-29 JP JP2019156286A patent/JP7004692B2/ja active Active
- 2019-08-29 CN CN201910811342.4A patent/CN110875636B/zh active Active
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KR20200026724A (ko) | 2020-03-11 |
EP3618226B1 (en) | 2022-06-01 |
CN110875636B (zh) | 2024-02-13 |
JP7004692B2 (ja) | 2022-01-21 |
US11005298B2 (en) | 2021-05-11 |
EP3618226A1 (en) | 2020-03-04 |
KR20200120892A (ko) | 2020-10-22 |
CN110875636A (zh) | 2020-03-10 |
US20200076235A1 (en) | 2020-03-05 |
KR102483807B1 (ko) | 2022-12-30 |
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