JP2019216592A - 無線電力受信機を動作させる方法とそれを用いた無線電力受信機 - Google Patents
無線電力受信機を動作させる方法とそれを用いた無線電力受信機 Download PDFInfo
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- JP2019216592A JP2019216592A JP2019109324A JP2019109324A JP2019216592A JP 2019216592 A JP2019216592 A JP 2019216592A JP 2019109324 A JP2019109324 A JP 2019109324A JP 2019109324 A JP2019109324 A JP 2019109324A JP 2019216592 A JP2019216592 A JP 2019216592A
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- Prior art keywords
- wireless power
- power receiver
- modulation
- voltage
- input
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Classifications
-
- 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
- H02J50/90—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
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
-
- 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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (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、208:受信機コイル
110、210:無線電力受信機
112:負荷
212:プロセッサ
214:整流回路
216:レギュレータ(低ドロップアウトレギュレータ(LDO))
218:整流器コントローラ
220:LDOレギュレータ
222:周波数シフトキー(FSK)復調器
224:振幅シフトキー(ASK)変調器
226:位相検出器
228:ローパスフィルタ(LPF)
230:I2Cスレーブ
232:マルチプレクサ
234:アナログ−デジタル変換器(ADC)
236:過電圧保護回路
264、266:キャパシタドライバ回路
252、254、256、258、260、262:キャパシタ
Claims (10)
- 無線電力受信機を動作させる方法であって、
負の変調を検出し、正の変調への遷移を強制するためにパラメータを調整する、無線電力受信機を動作させる方法 - 前記パラメータは、前記無線電力受信機の出力電圧である、請求項1に記載の無線電力受信機を動作させる方法。
- 前記無線電力受信機の前記出力電圧を調整することは、整流回路と前記出力電圧との間に結合されたレギュレータの動作を調整することを含む、請求項2に記載の無線電力受信機を動作させる方法。
- 前記パラメータは、無線電力送信機の入力電圧である、請求項1に記載の無線電力受信機を動作させる方法。
- 前記無線電力送信機の前記入力電圧を調整することは、前記入力電圧を低減するために前記無線電力送信機と通信することを含む、請求項4に記載の無線電力受信機を動作させる方法。
- 無線電力受信機は、
第1の入力と第2の入力との間に結合され、整流電圧を出力する整流回路と、
前記第1の入力と前記第2の入力とに接続され、入力電圧を受信する受信機コイルと、
前記整流器に接続され、前記整流電圧を受信し、出力電圧を出力するレギュレータと、
前記整流器と前記レギュレータに接続され、前記整流電圧に関し負の変調を検出し、
負の変調が検出されると、前記整流電圧に関し正の変調が検出されるまで動作電圧を調整するプロセッサと、を備える無線電力受信機。 - 前記動作電圧は前記出力電圧であり、前記プロセッサは、前記レギュレータ内のパラメータを調整することによって前記出力電圧を調整する、請求項6に記載の無線電力受信機。
- 無線電力送信機の入力電圧を調整するために前記無線電力送信機と通信することをさらに含む、請求項6に記載の無線電力受信機。
- 前記第1の入力とキャパシタドライバとの間に結合された1つ以上の第1のキャパシタと、
前記第2の入力と前記キャパシタドライバとの間に結合された1つ以上の第2のキャパシタと、をさらに備え、
前記プロセッサは、前記第1の入力と前記第2の入力とに前記キャパシタドライバを介して結合されたキャパシタンスを制御して、前記整流器電圧に正の変調を提供する、請求項7に記載の無線電力受信機。 - 無線電力受信機は、
無線電力を受信する手段と、
前記無線電力の負の変調を検出するための手段と、
負の変調が検出されたときに前記無線電力を正の変調に遷移するための手段と、を備える無線電力受信機。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862684690P | 2018-06-13 | 2018-06-13 | |
US62/684,690 | 2018-06-13 | ||
US16/368,761 | 2019-03-28 | ||
US16/368,761 US11374441B2 (en) | 2018-06-13 | 2019-03-28 | Negative modulation solution for fixed coil designs |
Publications (2)
Publication Number | Publication Date |
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JP2019216592A true JP2019216592A (ja) | 2019-12-19 |
JP6782820B2 JP6782820B2 (ja) | 2020-11-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019109324A Active JP6782820B2 (ja) | 2018-06-13 | 2019-06-12 | 無線電力受信機を動作させる方法とそれを用いた無線電力受信機 |
Country Status (2)
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US (1) | US11374441B2 (ja) |
JP (1) | JP6782820B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11394251B2 (en) * | 2019-11-11 | 2022-07-19 | Renesas Electronics America Inc. | Wireless power system |
CN113726028B (zh) * | 2020-06-05 | 2023-02-03 | 华为技术有限公司 | 一种电子设备及其控制方法 |
US11095170B1 (en) | 2020-07-16 | 2021-08-17 | Stmicroelectronics (Shenzhen) R&D Co. Ltd. | Wireless charging |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US8836171B2 (en) | 2011-10-18 | 2014-09-16 | ConvenientPower HK Ltd. | Modulation circuit and method |
US9030051B2 (en) * | 2011-12-13 | 2015-05-12 | Texas Instruments Incorporated | Wireless power transmission with improved modulation ripple |
JP2013183548A (ja) | 2012-03-02 | 2013-09-12 | Toko Inc | ワイヤレス電力伝送装置 |
US8942624B2 (en) * | 2012-03-30 | 2015-01-27 | Integrated Device Technology, Inc. | Apparatus, system, and method for back-channel communication in an inductive wireless power transfer system |
JP5998025B2 (ja) * | 2012-11-28 | 2016-09-28 | ルネサスエレクトロニクス株式会社 | 半導体集積回路およびその動作方法 |
US9667084B2 (en) * | 2013-03-13 | 2017-05-30 | Nxp Usa, Inc. | Wireless charging systems, devices, and methods |
KR102381346B1 (ko) | 2014-05-26 | 2022-03-31 | 지이 하이브리드 테크놀로지스, 엘엘씨 | 무선전력 수신 장치 및 무선 통신 방법 |
KR101853913B1 (ko) * | 2016-07-27 | 2018-05-02 | 주식회사 맵스 | 통신신호 크기를 제어하는 무선 전력 수신기 |
JP6764764B2 (ja) | 2016-11-08 | 2020-10-07 | ローム株式会社 | ワイヤレス受電装置およびその制御方法、受電制御回路、電子機器 |
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2019
- 2019-03-28 US US16/368,761 patent/US11374441B2/en active Active
- 2019-06-12 JP JP2019109324A patent/JP6782820B2/ja active Active
Also Published As
Publication number | Publication date |
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JP6782820B2 (ja) | 2020-11-11 |
US20190386525A1 (en) | 2019-12-19 |
US11374441B2 (en) | 2022-06-28 |
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