JP5483030B2 - 誘導伝送システム - Google Patents
誘導伝送システム Download PDFInfo
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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
- H02J50/10—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
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
-
- 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
- H02J50/40—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
- 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
- H02J50/90—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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing 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
- H01F2038/143—Inductive couplings for signals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
-
- 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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- 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)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Secondary Cells (AREA)
Description
■電子スイッチのカソードを通して流れる電流が所定の閾値を上回るときに、そのオン状態にあるように構成される少なくとも1つの電子スイッチを備えた低熱損失全波整流器、
■電源と一次インダクタとの間に接続されるドライバであって、このドライバが、一次誘導コイル両端に駆動電圧を供給するように構成され、この駆動電圧が一次インダクタおよび二次インダクタによって形成される誘導カップルの共振周波数と有意に異なる伝送周波数で振動する、ドライバ、
■電力レシーバを取り扱うためのグリップを備えた誘導電力アダプタであって、電力レシーバが動作中であるときに、ユーザが損傷なしでアダプタを取り扱うことができるように、グリップが電力レシーバから熱的に絶縁される、アダプタ、
■誘導電力アウトレットがそれに対して誘導的に結合される電気負荷の非存在下で電力を伝送するのを防止するための伝送ガードであって、一次コイルが伝送キーの非存在下で電源に接続するのを防止するための少なくとも1つの伝送ロックを備えた伝送ガード、および、
■一次インダクタから二次インダクタまで磁束を導くための磁束ガイドであって、磁束ガイドが、非晶質強磁性材料を備える、ガイド。
■誘導電力アウトレット200が誘導電力レシーバ300の非存在下で電力を伝送するのを防止するための伝送ガード。
■ダイオードからの熱損失を減少させるための電子スイッチを使用するAC−DC整流器330。
■ユーザが気持ちよく、かつ、安全に誘導電力レシーバ300を取り扱うことができるように、熱放散システムを有する誘導電力レシーバ300。
■薄い材料から作られる磁束ガイド600、および、それが一次インダクタ220と二次インダクタ320との間の鎖交磁束を改善するように、同じく周囲への漏れ磁束を防ぐように構成される。
■誘導カップルの共振周波数と実質的に異なる伝送周波数で振動する駆動電圧を発生させるように構成されて、使用可能なドライバ230。
伝送ガード
同期整流器
■正弦波サイクルの前半に対してカソード4334とアノード4336との間の電圧降下Vdは負であり、したがって、カソード4334の極性はアノード4336に対して負である。従って、ドレイン端子4136を通して何の電流も流れず、および、MOSFETはオフ状態にとどまる。
■正弦波サイクルの後半の初めで、カソード4334とアノード4336との間の電圧降下Vdは、ゼロより上に増加する。カソード4334の極性は、アノード4336に対して正になり、それで、小さなドレイン電流Idがダイオード4132を通して流れ始める。この電流は、電流モニタ4332で測定される。
■サイクルの第3クォーター中に、カソード4334とアノード4336との間の電圧降下Vdは、上がり続ける。電流モニタ4332は、増加するドレイン電流Idを測定する。
■ドレイン電流Idが所定の閾値Ithを上回るときに、電流ベースのゲート信号G1がオン状態へ切り替えるようにMOSFET 4130を誘発する。
■MOSFET 4130がオン状態にある限り、電子スイッチ4131のオーム導電性経路を通して電流が流れる。従って、ドレイン電流Idは電圧降下Vdに比例して変化する。
■サイクルの最終クォーター中に、カソード4334とアノード4336との間の電圧降下Vdは、減少する。電流モニタ4332は、減少するドレイン電流Idを測定する。
■ドレイン電流が所定の閾値Ithより下に落ちるときに、電流ベースのゲート信号Giがオフ状態へ切り替えるようにMOSFET 4130を誘発する。
誘導電力レシーバ内の熱放散
磁束誘導
非共振周波数での電力伝送
■電気負荷6240の必要動作電圧、電流、温度または電力、
■動作中に電気負荷6240に供給される測定された電圧、電流、温度または電力、
■動作中に電気負荷6240によって受け取られる測定された電圧、電流、温度または電力など。
(a)ドライバ6230がシステムの共振周波数fRより高い伝送周波数ftで振動電圧を供給する。
(b)二次電圧が二次コイル6320内に誘発される。
(c)二次ユニット6300内の電力モニタが、電気負荷6340によって受け取られる電力をモニタする。
(d)電気負荷6340によって受け取られる電力が所定の範囲内にある場合、その時何の動作もとられない。電気負荷6340によって受け取られる電力が所定の範囲より下にある場合、第1のタイプのフィードバック信号Saがドライバに送信される。電気負荷6340によって受け取られる電力が所定の範囲より上にある場合、第2のタイプのフィードバック信号Sbがドライバに送信される。
(e)フィードバック信号が、ドライバ6230によって受信される。
(f)受信されたフィードバック信号が第1のタイプSaである場合、伝送周波数は増分値+δf1だけ増加する。受信されたフィードバック信号が第2のタイプSbである場合、伝送周波数は増分値−δf2だけ減少する。
誘導通信路
ステップ(a)−一次コイルを横切る一次電圧の振幅をモニタするための電圧モニタに一次誘導コイルを接続する、
ステップ(b)−電気素子を二次誘導コイルに接続するために伝送回路に二次誘導コイルを接続しそれによって誘導電力伝送システムの共振周波数を増加させる、
ステップ(c)−共振周波数より高い初期伝送周波数で一次誘導コイルに振動電圧を供給し、それによって二次誘導コイル内に電圧を誘発する、
ステップ(d)−入力信号でビットレート信号を変調するように伝送回路を使用して変調された信号を作り出し、変調された信号に従って電気素子を二次誘導コイルに断続的に接続する、
ステップ(e)−出力信号を発生するために電圧モニタを使用してビットレート信号と一次電圧の振幅を相互相関させる。
■電気負荷7240の必要動作電圧、電流、温度または電力
■動作中に電気負荷7240に供給される測定された電圧、電流、温度または電力
■動作中に電気負荷7240によって受け取られる測定された電圧、電流、温度または電力など
■ユーザ、電子デバイスおよびこの種の同類の識別データ
■伝送ロックを解除するための伝送キーの解除信号。
6、8 領域
100 誘導電力伝送システム
200 誘導電力アウトレット
202 プラットフォーム
220、220a−d 一次インダクタ
230 ドライバ
240 電源
300 誘導電力レシーバ
302 ケース
304 電力コネクタ
320 二次インダクタ
330 整流器
340 電気負荷
342 携帯電話
400 信号伝送システム
420 信号エミッタ
440 信号検出器
500 位置合わせ機構
600 磁束ガイド
2100、2100” 伝送ガード
2120、2120’、2120” 伝送ロック
2122、2122’、2122” スイッチ
2124、2124’、2124” 検出器
2126’ 光学エミッタ
2140、2140’、2140” 伝送キー
2142 磁性素子
2142’ ブリッジング素子
2142” 光学エミッタ
2200、2200’、2200” 誘導電力アウトレット
2220、2220’ 一次コイル
2230 ドライバ
2240 電源
2300 二次ユニット
2320 二次コイル
2340 電気負荷
3100 整流器
3110、3120 枝路
4100 ダイオードブリッジ整流器
4130 電力MOSFET
4131 電子スイッチ
4136 ドレイン端子
4138 ゲート端子
4200 同期全波整流器
4300 同期全波整流器 ブリッジ同期整流器
4310、4320 枝路
4330 電流起動同期整流器
4332 電流モニタ
4334 カソード
4336 アノード
4400 同期全波ブリッジ整流器
4410、4430 変流器
4420、4440 平滑回路
4450 ドライバ
5100 誘導電力アダプタ
5120 誘導レシーバ
5122 二次インダクタ
5124 強磁性ディスク
5126 プリント回路基板(PCB)
5130 ヒートシンク
5132 空気吹出し口
5134 空気吸込み口
5140 電力コネクタ
5160 ケーシング
5160L 下部ケーシング
5160U 上部ケーシング
5161 ケーシング最上部
5162 手グリップ
5163 上部ケーシング側面
5165 下部ケーシング底部
5167 下部ケーシング側面
5200 誘導電力アウトレット 誘導電力レシーバ
5220 一次インダクタ、二次インダクタ
5230 ドライバ
5240 電源
5260 磁束ガイド
5262 強磁性コア
5262a、5262b 非晶質強磁性ウエハ
5264 磁気シールド
5265a、5265b 接着絶縁層、スリット
5265c 第3の接着絶縁層
5270 PCB
5300 コンピュータ
6100 誘導電力伝送システム
6120 通信路
6122 伝送器
6124 レシーバ
6140 電圧ピーク検出器
6200 誘導電力アウトレット、二次ユニット
6220 一次誘導コイル 二次コイル
6230 ドライバ、半ブリッジコンバータ
6240 電源 電気負荷
6300 二次ユニット
6320 二次誘導コイル
6330 整流器
6340 電気負荷、コンピュータ
7100 誘導電力伝送システム
7120 誘導通信路 誘導性帰還通路
7122 伝送回路
7123 モジュレータ
7124 受信回路
7125 電力MOSFETスイッチ
7126 電気素子 抵抗器
7128 ピーク検出器
7129 復調器
7200 誘導電力アウトレット
7220 一次誘導コイル
7230 ドライバ 半ブリッジコンバータ
7240 電源 電気負荷
7300 二次ユニット
7320 二次誘導コイル
7330 整流器
7340 電気負荷
ACin 交流電流源
C キャパシタンス
CT1P、CT2P 一次電流モニタコイル
CT2s 二次電流モニタ
d ヒートシンクの外径
D ケーシング5160の内径
D1−4 ダイオード
DCout 直流出力
fL、fU 周波数値
fR 共振周波数
ft 伝送周波数
G1 ゲート信号
G1−4 ゲート信号
Id、Id1、Id2、Id3 ドレイン電流
IN1 第1の入力
IN2 第2の入力
Ith 閾値
L インダクタンス
L2 二次コイル
M1−4 電子スイッチ
OUT1 第一出力端
OUT2 第2の出力端
S、Sa、Sb フィードバック信号
Sin 入力信号
Sout 出力信号
SR 解除信号
T1、T2 入力端子
T3、T4 出力端子
Vd 電圧降下
Vt誘導電圧 標準動作電圧
Vt’ より高い動作電圧
δf1、δf2 増分値
δf 伝送周波数の増加
δV 誘導電圧の減少
Claims (15)
- 少なくとも1つの誘導電力レシーバに誘導的に電力を伝送するための少なくとも1つの誘導電力アウトレットと、前記誘導電力アウトレットに前記誘導電力レシーバを位置合わせするための少なくとも1つの位置合わせ機構と、前記誘導電力レシーバから前記誘導電力アウトレットまで制御信号を伝えるための少なくとも1つの信号伝送システムと、を備える誘導伝送システムであって、
前記誘導電力アウトレットは、高周波で一次誘導コイル両端に振動電圧を供給するように動作可能な、ドライバ経由で電源に配線される少なくとも1つの一次誘導コイル、および一次強磁性コアを備え、
前記誘導電力レシーバは、前記一次誘導コイルと結合するための少なくとも1つの二次誘導コイルを備え、前記二次誘導コイルが電力レギュレータに配線されており、
前記信号伝送システムは、前記誘導電力レシーバと関連する信号エミッタおよび前記誘導電力アウトレットと関連する信号検出器を備え、
前記誘導電力アウトレットは、さらに、前記少なくとも1つの誘導電力レシーバが前記誘導電力アウトレットに位置合わせされていない場合の電力伝送防止のための伝送ガードシステムを備え、
前記伝送ガードシステムは、
低エネルギーの電力パルスを伝送できる前記一次誘導コイル、
前記一次誘導コイルと位置合わせされたときに前記低エネルギーの電力パルスを受けることのできる前記二次誘導コイル、
前記誘導電力レシーバと関連し、前記低エネルギーの電力パルスで駆動された時に、前記誘導電力アウトレットと関連する第2の伝送ロックを解除するための解除信号を発信することのできる前記信号エミッタを備える第2の伝送キー、及び、
前記解除信号を受信することができる前記信号検出器を備え、前記解除信号を受信した時には前記一次誘導コイルを前記ドライバに接続することのできる前記第2の伝送ロック、から構成されることを特徴とする誘導伝送システム。 - 前記信号エミッタが光学信号を発信するエミッタであって、前記信号検出器が光学式検出器であることを特徴とする請求項1に記載の誘導伝送システム。
- 前記光学信号が赤外パルスであることを特徴とする請求項2に記載の誘導伝送システム。
- 前記信号エミッタが磁気信号を発信するエミッタであって、前記信号検出器が磁気検出器であることを特徴とする請求項1に記載の誘導伝送システム。
- 前記信号エミッタが前記二次誘導コイルであることを特徴とする請求項4に記載の誘導伝送システム。
- 前記解除信号が、光学信号、磁気信号、機械信号、オーディオ信号、超音波信号およびマイクロ波を備える群から選ばれる、ことを特徴とする請求項1に記載の誘導伝送システム。
- 前記第2の伝送キーが前記二次誘導コイルに伝送された低エネルギーの電力パルスから解除信号を発信するための電力を得ることを特徴とする請求項1に記載の誘導伝送システム。
- 前記一次誘導コイルは周期的に低エネルギーの電力パルスを送信することを特徴とする請求項1に記載の誘導伝送システム。
- 前記誘導伝送システムはさらに、前記誘導電力アウトレットに付属する第1の伝送ロック及び前記誘導電力レシーバに付属する第1の伝送キーを備え、前記第1の伝送ロックは前記第1の伝送キーによって解除され、前記第1の伝送ロックが解除されると前記一次誘導コイルから前記低エネルギーの電力パルスが発信されることを特徴とする請求項1に記載の誘導伝送システム。
- 前記低エネルギー電力パルスが前記第2の伝送キーに解除信号を発信するための電力を供給することを特徴とする請求項1に記載の誘導伝送システム。
- 前記第1の伝送ロックは少なくとも1つのマグネチックスイッチを備え、前記第1の伝送キーは前記誘導電力レシーバに付属する少なくとも1つの磁性素子を備えることを特徴とする請求項9に記載の誘導伝送システム。
- 前記第1の伝送ロックが、対応する配列の磁性素子によって起動されるマグネチックスイッチのアレイを備えることを特徴とする請求項9に記載の誘導伝送システム。
- 前記マグネチックスイッチは、磁気センサを備えることを特徴とする請求項12に記載の誘導伝送システム。
- 前記磁性素子は、フェライト磁束誘導コアを備えることを特徴とする請求項12に記載の誘導伝送システム。
- 前記解除信号は一意の識別子を与えるようにコード化されることを特徴とする請求項1に記載の誘導伝送システム。
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CN102084442A (zh) | 2011-06-01 |
AU2008353278A1 (en) | 2009-09-24 |
EP2266123A4 (en) | 2017-08-09 |
CN102084442B (zh) | 2013-12-04 |
KR20100130215A (ko) | 2010-12-10 |
US20150263537A1 (en) | 2015-09-17 |
US20140125147A1 (en) | 2014-05-08 |
EP2266123A2 (en) | 2010-12-29 |
WO2009116025A3 (en) | 2010-03-11 |
EP2266123B1 (en) | 2018-10-10 |
CA2718901C (en) | 2018-10-16 |
US9035501B2 (en) | 2015-05-19 |
IL208197A0 (en) | 2010-12-30 |
US9083204B2 (en) | 2015-07-14 |
US20230307176A1 (en) | 2023-09-28 |
US20150326032A1 (en) | 2015-11-12 |
US20140125146A1 (en) | 2014-05-08 |
US20170294808A1 (en) | 2017-10-12 |
US11837399B2 (en) | 2023-12-05 |
WO2009116025A2 (en) | 2009-09-24 |
US9136734B2 (en) | 2015-09-15 |
JP2011514801A (ja) | 2011-05-06 |
CA2718901A1 (en) | 2009-09-24 |
US9685795B2 (en) | 2017-06-20 |
US9048696B2 (en) | 2015-06-02 |
US20140252871A1 (en) | 2014-09-11 |
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