JP6591851B2 - 無線電力転送装置及び方法 - Google Patents
無線電力転送装置及び方法 Download PDFInfo
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- JP6591851B2 JP6591851B2 JP2015199231A JP2015199231A JP6591851B2 JP 6591851 B2 JP6591851 B2 JP 6591851B2 JP 2015199231 A JP2015199231 A JP 2015199231A JP 2015199231 A JP2015199231 A JP 2015199231A JP 6591851 B2 JP6591851 B2 JP 6591851B2
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- 238000012546 transfer Methods 0.000 title claims description 187
- 238000000034 method Methods 0.000 title claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 238000010168 coupling process Methods 0.000 claims description 28
- 230000008878 coupling Effects 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 230000001939 inductive effect Effects 0.000 claims description 19
- 230000008859 change Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 description 28
- 238000004891 communication Methods 0.000 description 22
- 230000001965 increasing effect Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 230000005674 electromagnetic induction Effects 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002250 progressing effect Effects 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
Classifications
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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
-
- 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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or 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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
- H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Near-Field Transmission Systems (AREA)
Description
110 電力変換部
120 通信部
130 制御部
140 電源部
200 電子機器
210 電力受信部
220 通信部
230 制御部
250 負荷
300 無線電力転送装置
310 電力変換部
330 制御部
350 システム制御部
Claims (10)
- 2つ以上の1次コイルに対して順次に無線電力受信装置の2次コイルとの誘導結合程度に該当する信号強度値を測定して格納するステップと、
前記信号強度値が最も大きい1次コイルを動作コイルとして選択するステップと、
前記動作コイルと隣接する1次コイルに対する信号強度値と前記動作コイルに対する信号強度値との差に基づいて電力損失を探知するためのモードに移行するための根拠となる電力損失量の基準値を調節するステップと、
前記動作コイルを通じて前記無線電力受信装置に電力を転送するステップと、を含む、無線電力転送方法。 - 前記信号強度値は前記無線電力受信装置から受信される信号強度パケットをデコーディングして得られる、請求項1に記載の無線電力転送方法。
- 前記差が所定値より小さい時、前記基準値を上向き調節する、請求項1に記載の無線電力転送方法。
- 前記転送するステップは、
前記電力損失量を計算するステップと、
前記計算される電力損失量が前記調節される基準値より大きい時、前記電力損失を探知するためのモードに移行するステップと、を含む、請求項1に記載の無線電力転送方法。 - 前記電力損失量は、入力電圧と入力電流とで計算される送信電力量から、前記無線電力受信装置から受信される受信パワーパケットでデコーディングされる受信電力量を引いた値で演算される、請求項4に記載の無線電力転送方法。
- 直流電源を交流に変換するためのインバータ、受信装置の2次コイルとの磁気誘導結合により電力を転送するための1次コイルを含む2つ以上の共振回路、及び前記共振回路に流れる電流波形の変化を感知するためのセンシング部を含む電力変換部と、
前記2つ以上の共振回路を前記インバータに連結するためのスイッチング部と、
前記スイッチング部を制御して前記インバータに連結する共振回路を選択し、前記センシング部が感知する変化に基づいて前記受信装置が送るメッセージを抽出し、前記抽出されるメッセージに基づいて前記インバータの動作を制御して前記受信装置への電力転送を制御するための制御部とを含んで構成され、
前記制御部は、前記スイッチング部と前記電力変換部とを制御して前記2つ以上の共振回路に含まれる2つ以上の1次コイルに対して順次に前記受信装置の2次コイルとの誘導結合程度に該当する信号強度値を測定して格納し、前記信号強度値が最も大きい1次コイルを動作コイルとして選択し、前記動作コイルと隣接する1次コイルに対する信号強度値と前記動作コイルに対する信号強度値との差に基づいて電力損失を探知するためのモードに移行するための根拠となる電力損失量の基準値を調節する、無線電力転送装置。 - 前記制御部は、前記受信装置から受信される信号強度パケットをデコーディングして前記信号強度値を得る、請求項6に記載の無線電力転送装置。
- 前記制御部は、前記差が所定値より小さい時、前記基準値を上向き調節する、請求項7に記載の無線電力転送装置。
- 前記制御部は、前記電力損失量を計算し、前記計算される電力損失量が前記調節される基準値より大きい時、前記電力損失を探知するためのモードに移行する、請求項6に記載の無線電力転送装置。
- 前記制御部は、前記動作コイルを含む共振回路に入力される電圧と入力される電流とで計算される送信電力量から、前記受信装置から受信される受信パワーパケットでデコーディングされる受信電力量を引いた値で前記電力損失量を演算する、請求項9に記載の無線電力転送装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2014-0135051 | 2014-10-07 | ||
KR1020140135051A KR102197580B1 (ko) | 2014-10-07 | 2014-10-07 | 무선 전력 전송 장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
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JP2016077142A JP2016077142A (ja) | 2016-05-12 |
JP6591851B2 true JP6591851B2 (ja) | 2019-10-16 |
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JP2015199231A Active JP6591851B2 (ja) | 2014-10-07 | 2015-10-07 | 無線電力転送装置及び方法 |
Country Status (4)
Country | Link |
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US (1) | US10020691B2 (ja) |
JP (1) | JP6591851B2 (ja) |
KR (1) | KR102197580B1 (ja) |
CN (1) | CN105515216B (ja) |
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2014
- 2014-10-07 KR KR1020140135051A patent/KR102197580B1/ko active IP Right Grant
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2015
- 2015-10-06 US US14/876,291 patent/US10020691B2/en active Active
- 2015-10-07 JP JP2015199231A patent/JP6591851B2/ja active Active
- 2015-10-08 CN CN201510644690.9A patent/CN105515216B/zh active Active
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Publication number | Publication date |
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US10020691B2 (en) | 2018-07-10 |
KR20160042232A (ko) | 2016-04-19 |
JP2016077142A (ja) | 2016-05-12 |
CN105515216B (zh) | 2020-09-11 |
US20160099578A1 (en) | 2016-04-07 |
CN105515216A (zh) | 2016-04-20 |
KR102197580B1 (ko) | 2021-01-04 |
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