JP2015534428A - 誘導電力伝送のためのフィードバック制御コイルドライバ - Google Patents
誘導電力伝送のためのフィードバック制御コイルドライバ Download PDFInfo
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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
- H02J50/80—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
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- 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
- 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
- H02M3/33507—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 with automatic control of the output voltage or current, e.g. flyback converters
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- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Dc-Dc Converters (AREA)
- Amplifiers (AREA)
- Inverter Devices (AREA)
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Abstract
Description
本出願は、その全体が参照により本明細書に組み込まれる、2012年8月31日に出願された米国仮出願第61/695,815号に対する、米国特許法第119条(e)の下での利益を主張する。
Claims (20)
- フィードバック制御コイルドライバ(500)であって、
LCタンク回路(512、514)と、
前記LCタンク回路に結合された直流電源(501)と、
前記LCタンク回路と接地との間で相互接続されたスイッチ(516)であって、
前記スイッチがオンにされるとき、前記電源と接地との間で前記LCタンク回路を切り替え可能に結合し、前記LCタンク回路と前記スイッチとの間の相互接続の点が、コイルドライバ出力電圧VL(504)を提供する、スイッチ(516)と、
前記VLを監視するように構成されたサンプルホールド回路(534)と、
前記サンプリングされたVLと規定の基準電圧(536)との差異の経時的な積分に等しい電圧VIO(542)を提供するように構成された、積分器回路(541)と、
前記スイッチが前記LCタンク回路を接地に結合する、そのようなときに、ランプ電圧(554)を提供するように構成された、電圧ランプ波発生器(552)と、
VIOと前記ランプ電圧とを比較するように構成された、第1の比較器(550)と、
前記第1の比較器に結合され、前記ランプ電圧がVIOを超過するとき、前記スイッチをオフにするように構成された、スイッチドライバ(525)と、を備える、フィードバック制御コイルドライバ(500)。 - 前記サンプルホールド回路が、前記スイッチがオンにされる瞬間TON(404)に、前記VLを監視して保持する、請求項1に記載のフィードバック制御コイルドライバ。
- 前記電圧ランプ波発生器が、前記スイッチがオンにされる前記瞬間に、ランプ電圧の生成を開始する、請求項2に記載のフィードバック制御コイルドライバ。
- 前記スイッチドライバに結合され、第1の規定の周波数(FO)で繰り返しパルス信号(503)を提供するように構成された、第1の繰り返しパルス信号発生器(522)を更に備え、前記パルスが、ターンオン開始時間(TST)をそれぞれ有し、前記スイッチドライバが、連続する各TSTで、前記スイッチをオンにさせる、請求項3に記載のフィードバック制御コイルドライバ。
- 前記規定の基準電圧がゼロボルトである、請求項4に記載のフィードバック制御コイルドライバ。
- 前記VLと接地とを比較するように構成され、前記VLが接地を下回るとき、前記サンプルホールド回路に、前記VLをサンプリングして保持させるように構成された、第2の比較器(556)を更に備える、請求項4に記載のフィードバック制御コイルドライバ。
- 前記第1の規定の周波数を上回る第2の規定の周波数で、第2の繰り返しパルス信号(520)を提供するように構成された、第2の繰り返しパルス信号発生器を更に備え、前記第2の比較器回路が、前記第2の繰り返しパルス信号内の選択されたパルスの発生時に、前記サンプルホールド回路に、前記VLをサンプリングして保持させる、請求項6に記載のフィードバック制御コイルドライバ。
- 前記選択されたパルスが、連続するTST間の、前記VLがゼロを下回る瞬間で規定される、請求項7に記載のフィードバック制御コイルドライバ。
- 前記スイッチが、複数のスイッチを含み、前記複数のスイッチの数が、前記タンク回路を利用するデータ転送のために振幅偏移キーイングによって変調される、データ入力信号の関数である、請求項8に記載のフィードバック制御コイルドライバ。
- LC回路内のコイルを駆動する方法であって、
出力電圧(VL)を生成するように構成されたLC回路(512、514)を提供するステップと、
制御された時間で、前記LCタンク回路を、電源(501)と接地との間で切り替えるステップと、
前記VLを監視し、かつ前記VLと予め選択された基準電圧との差異を経時的に積分することにより、積分された差分電圧(VIO(542))を提供するステップと、
前記電源と接地との間に前記LCタンク回路が接続されるときに開始する、ランプ電圧(554)を提供するステップと、
前記ランプ電圧がVIOを超過するとき、前記LCタンク回路を接地から接続解除するステップと、を含む、方法。 - 第1の周波数(FO)で第1の繰り返しパルス信号を提供するステップを更に含み、前記パルスが、ターンオン開始時間(TST)及びパルス持続時間TON(404)をそれぞれ有する、請求項10に記載の方法。
- 連続する各TSTで、前記LCタンク回路を接地に接続するステップを更に含む、請求項11に記載の方法。
- 前記監視するステップが、前記LCタンク回路が接地に接続される瞬間に、前記VLを監視して保持するステップを更に含む、請求項12に記載の方法。
- 前記VLが接地を下回るとき、前記VLを監視して保持するステップを更に含む、請求項13に記載の方法。
- 前記第1の繰り返しパルス信号の前記周波数を上回る周波数を有する、第2の繰り返しパルス信号(520)を提供するステップと、
連続するTST間の、VLがゼロを下回る瞬間に発生する、前記第2の繰り返しパルス信号内のパルスの間に、前記VLを監視して保持するステップと、
を更に含む、請求項14に記載の方法。 - フィードバック制御コイルドライバ回路であって、
出力電圧(504)を有するLCタンク回路(512、514)と、
電源(501)と接地との間で前記LCタンク回路を切り替え可能に結合するように構成された、スイッチ(516)と、
前記スイッチに結合された繰り返しパルス信号発生器(522)であって、前記パルス信号発生器によって生成されるパルス信号(503)が、制御可能なオン時間(404)を有し、そのようなオン時間の間に、前記スイッチが、前記電源と接地との間で前記LCタンク回路を結合する、繰り返しパルス信号発生器(522)と、
前記パルス信号の前記オン時間を制御するための制御信号(556)を提供するように構成された、フィードバックコントローラ(530)であって、前記制御信号が、予め選択されたランプ電圧(554)によって影響されるような、前記出力電圧と基準電圧(536)との差異の経時的な積分を含む、フィードバックコントローラ(530)と、を備える、フィードバック制御コイルドライバ回路。 - 前記フィードバックコントローラが、前記スイッチがオンにされる瞬間に、サンプリング出力電圧(538)の値をサンプリングして保持するように構成された、サンプルホールド回路(534)と、前記サンプリング出力電圧と予め選択された基準電圧との前記差異を積分することにより、積分器回路出力電圧542を提供するように構成された、積分器回路(541)とを備える、請求項16に記載のコイルドライバ回路。
- 前記フィードバックコントローラが、前記スイッチが前記LCタンク回路を前記電源と接地との間に結合するときに、ランプ電圧(554)の提供を開始するように構成された、電圧ランプ波発生器(552)と、前記制御信号を提供するために、前記積分器回路出力電圧と前記ランプ電圧とを比較するように構成された、第1の比較器(550)とを更に備え、前記制御信号が、前記ランプ電圧が前記積分器回路出力電圧を超過するとき、前記電源と接地との間で前記LCタンク回路を結合解除させるように、前記パルス信号オン時間に影響を与える、請求項17に記載のコイルドライバ回路。
- 前記フィードバックコントローラが、前記出力電圧と接地とを比較するように構成され、前記出力電圧が接地を下回るとき、前記サンプルホールド回路に、前記出力電圧をサンプリングして保持させるように構成された、第2の比較器(532)を更に備える、請求項18に記載のコイルドライバ回路。
- 前記基準電圧がゼロボルトである、請求項19に記載のコイルドライバ回路。
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US201261695815P | 2012-08-31 | 2012-08-31 | |
US61/695,815 | 2012-08-31 | ||
PCT/US2013/057592 WO2014036449A1 (en) | 2012-08-31 | 2013-08-30 | Feedback controlled coil driver for inductive power transfer |
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JP2015534428A true JP2015534428A (ja) | 2015-11-26 |
JP6062556B2 JP6062556B2 (ja) | 2017-01-18 |
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US (1) | US9728981B2 (ja) |
EP (1) | EP2891239B1 (ja) |
JP (1) | JP6062556B2 (ja) |
CN (1) | CN104662787B (ja) |
AU (1) | AU2013308541B2 (ja) |
CA (1) | CA2882974C (ja) |
WO (1) | WO2014036449A1 (ja) |
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CN104662787B (zh) | 2017-08-25 |
US9728981B2 (en) | 2017-08-08 |
CA2882974A1 (en) | 2014-03-06 |
CN104662787A (zh) | 2015-05-27 |
CA2882974C (en) | 2018-10-23 |
JP6062556B2 (ja) | 2017-01-18 |
US20150171637A1 (en) | 2015-06-18 |
AU2013308541A1 (en) | 2015-03-12 |
EP2891239B1 (en) | 2019-02-13 |
WO2014036449A1 (en) | 2014-03-06 |
AU2013308541B2 (en) | 2016-05-05 |
EP2891239A1 (en) | 2015-07-08 |
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