JP6579146B2 - ワイヤレス送電装置およびこれを用いたワイヤレス電力伝送システム - Google Patents
ワイヤレス送電装置およびこれを用いたワイヤレス電力伝送システム 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
- 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
- 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
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
-
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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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
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
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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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
-
- 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
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Description
10 ワイヤレス送電装置
11 昇圧コンバータ
12 インバータ
13 送電コイル
14 受信回路
15 昇圧制御回路
16 動作検出回路
16a 昇圧判定部
16b タイマー部
16c NANDゲート
16d カウンター部
17 インバータ制御回路
20 ワイヤレス受電装置
21 受電コイル
22 整流回路
23 出力検出回路
24 送信回路
25 スタートアップ回路
26 オペアンプ
27 コンパレータ(比較回路)
30 負荷
C1 入力コンデンサ
C2 出力コンデンサ
D1 ダイオード
Irx 電流
L1 チョークコイル
PDs 信号出力ダイオード
Q1,Q2 スイッチ素子
Qa,Qb,Qc,Qd スイッチ素子
R11 分圧抵抗
R12 分圧抵抗
R21 分圧抵抗
R22 分圧抵抗(可変抵抗)
R23 抵抗
R31 直列抵抗
R32 並列抵抗
va 交流電圧
Vd 出力電圧
VEN イネーブル信号
Vin 入力直流電圧
Vo1 昇圧コンバータの出力電圧
Vo2 整流回路の出力電圧
Vref 基準電圧
Vstp 動作検出回路の出力電圧
Vt タイマー電圧
Vth 閾値電圧
Claims (6)
- ワイヤレス受電装置にワイヤレスにて電力伝送するワイヤレス送電装置であって、
入力直流電圧を昇圧する昇圧コンバータと、
前記昇圧コンバータの出力電圧を交流電圧に変換するインバータと、
前記交流電圧が供給されることにより交流磁界を発生させる送電コイルと、
前記ワイヤレス受電装置からの送電指示信号を受信する受信回路と、
前記送電指示信号に従って前記昇圧コンバータの昇圧レベルを制御する昇圧制御回路と、
前記昇圧コンバータの動作の有無を検出する動作検出回路と、
前記インバータの動作を制御するインバータ制御回路と、を備え、
前記動作検出回路は、送電開始から一定時間経過後に前記昇圧コンバータが動作を行っていないことを検出したとき停止信号を出力し、
前記インバータ制御回路は、前記動作検出回路からの前記停止信号を入力したとき前記インバータの動作を停止する、ワイヤレス送電装置。 - 前記動作検出回路は、前記送電開始から前記一定時間経過後に前記昇圧コンバータの動作を検出できなかったとき、異常動作カウント値をインクリメントすると共に、前記異常動作カウント値が所定値に達するまで送電の再開を繰り返し、前記異常動作カウント値が前記所定値に達したときに送電の再開を行わない、請求項1に記載のワイヤレス送電装置。
- 請求項1または2に記載のワイヤレス送電装置と、
前記ワイヤレス送電装置から送電される電力をワイヤレスにて受電するワイヤレス受電装置と、を備え、
前記ワイヤレス受電装置は、
前記交流磁界を介して交流電力を取り込む受電コイルと、
前記受電コイルが受電した交流電力を直流電力に変換する整流回路と、
前記整流回路の出力特性値と目標値との比較結果に基づき前記送電指示信号を生成する出力検出回路と、
前記送電指示信号を送信する送信回路と、
前記整流回路の出力特性値が閾値以上のときに前記受信回路への前記送電指示信号の送信を許可するスタートアップ回路と、を備える、ワイヤレス電力伝送システム。 - 前記スタートアップ回路は、
前記整流回路の出力特性値と前記閾値を比較する比較回路と、
前記比較回路の比較結果に基づき前記送信回路から前記送電指示信号を出力するか否かを制御するスイッチ素子と、
前記比較回路に入力される前記整流回路の出力特性値と前記閾値の少なくとも一方を変更可能な入力設定部を含む、請求項3に記載のワイヤレス電力伝送システム。 - 前記出力検出回路は、前記出力特性値が前記目標値よりも小さいときに前記送電指示信号のレベルを大きくし、前記出力特性値が前記目標値に対して大きいときに前記送電指示信号のレベルを小さくする、請求項3または4に記載のワイヤレス電力伝送システム。
- 前記送電指示信号は光信号であり、前記出力検出回路は、前記出力特性値と前記目標値との比較結果に基づき前記光信号の強度を制御する、請求項5に記載のワイヤレス電力伝送システム。
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JP2017067885A JP6579146B2 (ja) | 2017-03-30 | 2017-03-30 | ワイヤレス送電装置およびこれを用いたワイヤレス電力伝送システム |
US15/933,884 US10541559B2 (en) | 2017-03-30 | 2018-03-23 | Wireless power transmitting device and wireless power transmission system using the same |
CN201810278254.8A CN108695987B (zh) | 2017-03-30 | 2018-03-30 | 无线送电装置以及使用其的无线电力传输系统 |
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JP7176914B2 (ja) * | 2018-09-28 | 2022-11-22 | 株式会社小松製作所 | 充電制御装置、作業機械及び充電制御方法 |
CN111262348B (zh) | 2018-11-30 | 2022-06-10 | 北京小米移动软件有限公司 | 无线充电装置的控制方法、装置以及无线充电装置 |
KR102676498B1 (ko) | 2019-02-19 | 2024-06-20 | 삼성전자 주식회사 | 무선 전력 공유에 따른 사용자 인터페이스 제공 방법 및 장치 |
KR20210105204A (ko) * | 2020-02-18 | 2021-08-26 | 엘지전자 주식회사 | 무선 전력 전송 장치, 무선 전력 수신 장치, 및 이를 포함하는 시스템 |
US11949243B2 (en) * | 2020-12-17 | 2024-04-02 | Stmicroelectronics Design And Application S.R.O. | Apparatus and methods for enhanced operation in a wireless charging receiver |
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JP3306675B2 (ja) * | 1993-04-21 | 2002-07-24 | 九州日立マクセル株式会社 | 小型電気機器 |
JP3416863B2 (ja) * | 1994-06-27 | 2003-06-16 | 松下電工株式会社 | 電源装置 |
JP2001112191A (ja) * | 1999-10-05 | 2001-04-20 | Sharp Corp | 非接触による電力及び信号伝達システム |
JP3582523B2 (ja) * | 2002-09-17 | 2004-10-27 | トヨタ自動車株式会社 | 電気負荷装置、異常処理方法、および電気負荷の異常処理をコンピュータに実行させるためのプログラムを記録したコンピュータ読取り可能な記録媒体 |
KR100853889B1 (ko) * | 2005-07-29 | 2008-08-25 | 엘에스전선 주식회사 | 무 접점 충전 배터리 및 충전기, 이들을 포함하는 배터리충전 세트, 및 충전제어 방법 |
US8729735B2 (en) * | 2009-11-30 | 2014-05-20 | Tdk Corporation | Wireless power feeder, wireless power receiver, and wireless power transmission system |
JP6249205B2 (ja) * | 2013-07-01 | 2017-12-20 | パナソニックIpマネジメント株式会社 | 給電装置及び給電装置の制御方法 |
CN105340154B (zh) * | 2013-07-12 | 2018-06-19 | 株式会社 Ihi | 电力传输系统 |
CN105379065B (zh) * | 2013-07-19 | 2018-09-28 | 株式会社 Ihi | 供电装置及非接触供电系统 |
JP2016159093A (ja) * | 2015-03-05 | 2016-09-05 | 株式会社クニムネ | 水晶体嚢拡張ディバイスの製造方法 |
WO2017037815A1 (ja) * | 2015-08-31 | 2017-03-09 | 株式会社 東芝 | 電圧変換装置および無線電力伝送装置 |
CN106560975B (zh) * | 2015-10-02 | 2021-06-01 | 松下知识产权经营株式会社 | 受电装置以及无线电力传输系统 |
JP6151396B2 (ja) | 2016-03-07 | 2017-06-21 | パイオニア株式会社 | 非接触充電システム、送電装置及び方法、並びに受電装置及び方法 |
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CN108695987A (zh) | 2018-10-23 |
CN108695987B (zh) | 2021-05-28 |
US10541559B2 (en) | 2020-01-21 |
US20180287396A1 (en) | 2018-10-04 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |