JP2014529283A - ワイヤレス電力受信機用の動的共振整合回路 - Google Patents
ワイヤレス電力受信機用の動的共振整合回路 Download PDFInfo
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- JP2014529283A JP2014529283A JP2014525529A JP2014525529A JP2014529283A JP 2014529283 A JP2014529283 A JP 2014529283A JP 2014525529 A JP2014525529 A JP 2014525529A JP 2014525529 A JP2014525529 A JP 2014525529A JP 2014529283 A JP2014529283 A JP 2014529283A
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- 238000012546 transfer Methods 0.000 claims abstract description 49
- 230000001939 inductive effect Effects 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000006698 induction Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 description 32
- 238000010586 diagram Methods 0.000 description 13
- 230000005284 excitation Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000009499 grossing Methods 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000005279 excitation period Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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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
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/22—Capacitive coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/10—Auxiliary devices for switching or interrupting
-
- 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
- H02J50/05—Circuit arrangements or systems for wireless supply or distribution of electric power using capacitive 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
-
- 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
- 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
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
-
- 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
- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Inverter Devices (AREA)
- Near-Field Transmission Systems (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
Claims (15)
- ワイヤレス電力伝送システムの共振周波数を電力信号の周波数に整合させるための共振整合回路であって、
前記ワイヤレス電力伝送システムの共振素子に並列に接続されたスイッチと、
前記スイッチに接続された制御装置とを備え、前記制御装置が、前記共振素子を通って流れる信号のゼロ電圧レベル交差を検出し、前記ゼロ電圧レベル交差の検出時に、所定の時間量にわたって前記スイッチを閉じ、前記所定の時間量にわたって前記スイッチを閉じることが、誘導値及び容量値の何れか一方をワイヤレス電力伝送システムの共振周波数に加える、共振整合回路。 - 前記スイッチが、前記ゼロ電圧レベル交差の直前、又は前記ゼロ電圧レベル交差の直後に閉じられる、請求項1に記載の回路。
- 前記所定の時間量が、前記電力信号の周波数の期間の半分よりも短い請求項1に記載の回路。
- 前記ワイヤレス電力伝送システムが、容量電力伝送システム及び誘導電力伝送システムの何れか一方である、請求項1に記載の回路。
- ワイヤレス電力伝送システムの共振周波数を電力信号の周波数に整合させるための共振整合回路であって、
前記ワイヤレス電力伝送システムの共振素子に直列に接続されたスイッチと、
前記スイッチに接続された制御装置とを備え、前記制御装置が、前記共振素子を通って流れる信号のゼロ電流レベル交差を検出し、前記ゼロ電流レベル交差の検出時に、所定の時間量にわたって前記スイッチを開き、前記所定の時間量にわたって前記スイッチを開くことが、誘導値及び容量値の何れか一方をワイヤレス電力伝送システムの共振周波数に加える、共振整合回路。 - 前記スイッチが、前記ゼロ電流レベル交差の直前、又は前記ゼロ電流レベル交差の直後に開かれる、請求項5に記載の回路。
- 前記所定の時間量が、前記電力信号の周波数の期間の半分よりも短い、請求項5に記載の回路。
- 前記ワイヤレス電力伝送システムが、容量電力伝送システム及び誘導電力伝送システムの何れか一方である、請求項5に記載の回路。
- 容量電力伝送システムの共振周波数を電力信号の周波数に整合させるための共振整合回路であって、
前記容量電力伝送システムの誘導素子に直列に接続されたスイッチと、
前記スイッチに接続された制御装置とを備え、前記制御装置が、前記誘導素子を通って流れる信号のゼロ電流レベル交差を検出し、前記ゼロ電流レベル交差の検出時に、所定の時間量にわたって前記スイッチを開き、前記所定の時間量にわたって前記スイッチを開くことが、誘導値及び容量値の何れか一方を容量電力伝送システムの共振周波数に加え、前記共振周波数が、前記誘導素子と、前記容量電力伝送システムの受信機電極と送信機電極との間で形成される容量インピーダンスと、前記誘導値及び前記容量値の何れか一方の関数である、共振整合回路。 - 前記所定の時間量が、前記電力信号の周波数の期間の半分よりも短い、請求項9に記載の回路。
- 容量電力伝送システムの共振周波数を電力信号の周波数に整合させるための共振整合回路であって、
前記容量電力伝送システムの誘導素子に並列に接続されたスイッチと、
前記スイッチに接続された制御装置とを備え、前記制御装置が、前記誘導素子を通って流れる信号のゼロ電圧レベル交差を検出し、前記ゼロ電流レベル交差の検出時に、所定の時間量にわたって前記スイッチを閉じ、前記所定の時間量にわたって前記スイッチを閉じることが、誘導値及び容量値の何れか一方をワイヤレス電力伝送システムの共振周波数に加え、前記共振周波数が、前記誘導素子と、前記容量電力伝送システムの受信機電極と送信機電極との間で形成される容量インピーダンスと、前記誘導値及び前記容量値の何れか一方との関数である、共振整合回路。 - 前記所定の時間量が、前記電力信号の周波数の期間の半分よりも短い、請求項11に記載の回路。
- 前記スイッチの前記切替え操作が、能動整流器によって行われる、請求項1、5、9、及び11のいずれか一項に記載の回路。
- 前記ワイヤレス電力伝送システムが、複数の受信機を含み、共振整合回路が、前記複数の受信機の各受信機に、前記受信機の共振周波数に個別に整合するように接続される請求項1、5、9、及び11のいずれか一項に記載の回路。
- 前記スイッチが、更に、前記電力信号に乗せたデータ信号を変調する請求項1、5、9、及び11のいずれか一項に記載の回路。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US201161523947P | 2011-08-16 | 2011-08-16 | |
US61/523,947 | 2011-08-16 | ||
US201261666040P | 2012-06-29 | 2012-06-29 | |
US61/666,040 | 2012-06-29 | ||
PCT/IB2012/054006 WO2013024396A1 (en) | 2011-08-16 | 2012-08-06 | Dynamic resonant matching circuit for wireless power receivers |
Publications (3)
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JP2014529283A true JP2014529283A (ja) | 2014-10-30 |
JP2014529283A5 JP2014529283A5 (ja) | 2015-09-24 |
JP6067704B2 JP6067704B2 (ja) | 2017-01-25 |
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JP2014525529A Active JP6067704B2 (ja) | 2011-08-16 | 2012-08-06 | ワイヤレス電力受信機用の動的共振整合回路 |
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US (1) | US9698761B2 (ja) |
EP (1) | EP2745414B1 (ja) |
JP (1) | JP6067704B2 (ja) |
CN (1) | CN103733531B (ja) |
RU (1) | RU2596606C2 (ja) |
WO (1) | WO2013024396A1 (ja) |
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CN103733531B (zh) | 2016-10-12 |
EP2745414B1 (en) | 2018-02-21 |
US20140191818A1 (en) | 2014-07-10 |
RU2596606C2 (ru) | 2016-09-10 |
RU2014110045A (ru) | 2015-09-27 |
CN103733531A (zh) | 2014-04-16 |
EP2745414A1 (en) | 2014-06-25 |
JP6067704B2 (ja) | 2017-01-25 |
WO2013024396A1 (en) | 2013-02-21 |
US9698761B2 (en) | 2017-07-04 |
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