JP6247438B2 - 無線電力送信装置、無線電力受信装置、及び電力受信方法 - Google Patents
無線電力送信装置、無線電力受信装置、及び電力受信方法 Download PDFInfo
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- JP6247438B2 JP6247438B2 JP2012274249A JP2012274249A JP6247438B2 JP 6247438 B2 JP6247438 B2 JP 6247438B2 JP 2012274249 A JP2012274249 A JP 2012274249A JP 2012274249 A JP2012274249 A JP 2012274249A JP 6247438 B2 JP6247438 B2 JP 6247438B2
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- 238000000034 method Methods 0.000 title claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 114
- 230000006698 induction Effects 0.000 claims description 28
- 230000008859 change Effects 0.000 claims description 20
- 239000003990 capacitor Substances 0.000 description 25
- 238000001514 detection method Methods 0.000 description 17
- 230000008878 coupling Effects 0.000 description 11
- 238000010168 coupling process Methods 0.000 description 11
- 238000005859 coupling reaction Methods 0.000 description 11
- 230000005674 electromagnetic induction Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000014509 gene expression Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
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Classifications
-
- 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
- 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
- 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
- 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
- H02J50/50—Circuit arrangements or systems for wireless supply or distribution of electric power using additional energy repeaters 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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
-
- 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
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
-
- 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
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Near-Field Transmission Systems (AREA)
Description
Claims (10)
- 無線電力送信装置から無線で電力を受信する無線電力受信装置であって、
前記無線電力送信装置から共振を用いて電力を受信する受信部と、
スイッチ及びブリッジダイオードを含み、前記受信部から伝達された電力を整流して負荷端に提供する整流部と、
前記整流部に連結された負荷端と、
前記整流部のスイッチに制御信号を印加して前記整流部を制御する制御部と、
を含み、
前記ブリッジダイオードは、4個のダイオードが連結された構造であり、
前記スイッチは、一端が前記ブリッジダイオードに連結され、他端が前記ブリッジダイオードと前記負荷端に連結され、
前記スイッチは、前記ブリッジダイオードに入力される電流の一周期の間開放されて前記ブリッジダイオードに入力される電流が前記負荷端に流れるようにして、前記無線電力受信装置の出力インピーダンスが前記負荷端の負荷抵抗となるようにし、
前記スイッチは、前記ブリッジダイオードに入力される電流の一周期の間短絡されて前記ブリッジダイオードに入力される電流が前記負荷端に流れないようにして、前記無線電力受信装置の出力インピーダンスが0となることを特徴とする、無線電力受信装置。 - 前記出力インピーダンスは、
前記受信部で前記整流部を見渡したインピーダンスであることを特徴とする、請求項1に記載の無線電力受信装置。 - 前記整流部は、
前記出力インピーダンスを可変させて前記無線電力送信装置の平均入力電流を可変させることによって、前記無線電力受信装置の状態情報を前記無線電力送信装置に知らせ、
前記平均入力電流は、前記無線電力送信装置に入力される入力電流の一周期の間の平均値であることを特徴とする、請求項1に記載の無線電力受信装置。 - 前記無線電力受信装置の状態情報は、
前記無線電力受信装置の充電完了情報、充電量情報のうちのいずれか1つを含むことを特徴とする、請求項3に記載の無線電力受信装置。 - 前記受信部は、
前記無線電力送信装置の送信共振コイルと共振結合されて電力を受信する受信共振コイルと、
前記受信共振コイルとカップリングされて電力を受信する受信誘導コイルと、
を含むことを特徴とする、請求項1に記載の無線電力受信装置。 - 無線電力送信装置から無線で電力を受信する無線電力受信装置の電力受信方法であって、
前記無線電力送信装置に伝送する前記無線電力受信装置の状態情報を決定するステップと、
前記決まった状態情報に基づいて、前記無線電力受信装置に備えられた整流部に備えられたスイッチを制御して前記整流部に入力される電流の流れを変更させて、前記無線電力受信装置の出力インピーダンスを可変させるステップと、
前記可変された出力インピーダンスによって前記無線電力送信装置から変化された電力を受信するステップと、
を含み、
前記整流部は、ブリッジダイオードを含み、前記無線電力送信装置から受信された電力を整流して負荷端に提供し、
前記ブリッジダイオードは、4個のダイオードが連結された構造であり、
前記スイッチは、一端が前記ブリッジダイオードに連結され、他端が前記ブリッジダイオードと前記負荷端に連結され、
前記無線電力受信装置の出力インピーダンスを可変させるステップは、前記スイッチが前記ブリッジダイオードに入力される電流の一周期の間開放されて前記ブリッジダイオードに入力される電流が前記負荷端に流れるようにして、前記無線電力受信装置の出力インピーダンスが前記負荷端の負荷抵抗となるようにし、前記スイッチが前記ブリッジダイオードに入力される電流の一周期の間短絡されて前記ブリッジダイオードに入力される電流が前記負荷端に流れないようにして、前記無線電力受信装置の出力インピーダンスが0となることを特徴とする、無線電力受信装置の電力受信方法。 - 前記電力を受信するステップは、
前記出力インピーダンスを可変させることによって前記無線電力送信装置の入力電流を可変させるステップと、
前記可変された入力電流に基づいて変化された電力を前記無線電力送信装置から受信するステップと、
を含むことを特徴とする、請求項6に記載の無線電力受信装置の電力受信方法。 - 前記無線電力受信装置の状態情報は、
前記無線電力受信装置の充電完了情報、充電量情報のうちのいずれか1つを含むことを特徴とする、請求項6に記載の無線電力受信装置の電力受信方法。 - 前記無線電力受信装置の出力インピーダンスは、
前記無線電力受信装置に備えられた受信部で前記整流部を見渡したインピーダンスであることを特徴とする、請求項6に記載の無線電力受信装置の電力受信方法。 - 請求項6から9のいずれか1項に記載された無線電力受信装置の電力受信方法を遂行するためのプログラムが記録された記録媒体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2012-0022237 | 2012-03-05 | ||
KR1020120022237A KR101262615B1 (ko) | 2012-03-05 | 2012-03-05 | 무선전력 송신장치, 무선전력 수신장치, 무선전력 전송 시스템 및 무선전력 전송 방법 |
Publications (2)
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JP2013188127A JP2013188127A (ja) | 2013-09-19 |
JP6247438B2 true JP6247438B2 (ja) | 2017-12-13 |
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JP2012274249A Active JP6247438B2 (ja) | 2012-03-05 | 2012-12-17 | 無線電力送信装置、無線電力受信装置、及び電力受信方法 |
Country Status (6)
Country | Link |
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US (1) | US9343928B2 (ja) |
EP (1) | EP2637317B1 (ja) |
JP (1) | JP6247438B2 (ja) |
KR (1) | KR101262615B1 (ja) |
CN (1) | CN103296783B (ja) |
TW (1) | TWI492475B (ja) |
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KR101543059B1 (ko) | 2012-11-09 | 2015-08-07 | 엘지이노텍 주식회사 | 무선전력 수신장치 및 그의 전력 제어 방법 |
WO2015025438A1 (ja) * | 2013-08-23 | 2015-02-26 | 三菱電機エンジニアリング株式会社 | 共振型電力伝送装置及び共振型電力多重伝送システム |
KR101897751B1 (ko) * | 2013-10-21 | 2018-10-29 | 한국전자통신연구원 | 임피던스 정합 및 중계 공진기에 기초하여 스펙트럼 효율 및 공간 효율의 향상을 위한 무선 전력 전송 방법 및 장치 |
WO2015107528A1 (en) * | 2014-01-19 | 2015-07-23 | Powermat Technologies Ltd. | Wireless power outlet and method of transferring power thereby |
EP3157116A4 (en) * | 2014-05-30 | 2018-01-17 | IHI Corporation | Contactless power-supplying system, power-receiving device, and power-transmitting device |
JP6410511B2 (ja) * | 2014-08-05 | 2018-10-24 | マクセルホールディングス株式会社 | 非接触電力伝送装置 |
KR20160021613A (ko) * | 2014-08-18 | 2016-02-26 | 삼성전기주식회사 | 무선 전력 수신 장치 및 방법, 그를 이용한 무선 전력 제공 시스템 |
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-
2012
- 2012-03-05 KR KR1020120022237A patent/KR101262615B1/ko active IP Right Grant
- 2012-12-12 US US13/712,596 patent/US9343928B2/en active Active
- 2012-12-12 EP EP12196755.8A patent/EP2637317B1/en active Active
- 2012-12-17 JP JP2012274249A patent/JP6247438B2/ja active Active
- 2012-12-27 TW TW101150515A patent/TWI492475B/zh not_active IP Right Cessation
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- 2013-01-16 CN CN201310015588.3A patent/CN103296783B/zh not_active Expired - Fee Related
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Publication number | Publication date |
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US9343928B2 (en) | 2016-05-17 |
KR101262615B1 (ko) | 2013-05-08 |
EP2637317B1 (en) | 2019-03-13 |
CN103296783A (zh) | 2013-09-11 |
EP2637317A2 (en) | 2013-09-11 |
EP2637317A3 (en) | 2015-05-06 |
US20130229062A1 (en) | 2013-09-05 |
TW201338334A (zh) | 2013-09-16 |
TWI492475B (zh) | 2015-07-11 |
CN103296783B (zh) | 2016-04-13 |
JP2013188127A (ja) | 2013-09-19 |
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