JP6043895B1 - ワイヤレス電力伝達におけるバイステートインピーダンス変換のためのシステムおよび方法 - Google Patents
ワイヤレス電力伝達におけるバイステートインピーダンス変換のためのシステムおよび方法 Download PDFInfo
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- JP6043895B1 JP6043895B1 JP2016542043A JP2016542043A JP6043895B1 JP 6043895 B1 JP6043895 B1 JP 6043895B1 JP 2016542043 A JP2016542043 A JP 2016542043A JP 2016542043 A JP2016542043 A JP 2016542043A JP 6043895 B1 JP6043895 B1 JP 6043895B1
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- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
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Abstract
Description
電動車両の充電サイクル中に、ワイヤレス電力伝達システムのベース充電ユニット(BCU)は、様々な動作段階を通過し得る。ワイヤレス電力伝達システムは「充電システム」と呼ばれ得る。BCUは、図1のベースワイヤレス充電システム102aおよび/または102bを含むことができる。BCUは、コントローラおよび/または電力変換ユニット、たとえば図2に示す電力変換器236を含むこともできる。さらに、BCUは、図1に示す誘導コイル104aおよび104bなどの誘導コイルを含む1つまたは複数のベース充電パッドを含むことができる。BCUが様々な段階を通過するのに伴い、BCUは充電スタンドと対話する。充電スタンドは、図1に示すローカル分配センター130を含むことができ、コントローラ、グラフィカルユーザインターフェース、通信モジュール、およびリモートサーバまたはサーバのグループへのネットワーク接続をさらに含むことができる。
VS2=IC*βX...(1)
VS2=I1*βX...(2)
102 ベースワイヤレス充電システム
102a ベースワイヤレス充電システム
104 ベースシステム誘導コイル
104a ベースシステム誘導コイル
108 通信リンク
110 電力リンク
112 電動車両
114 電動車両ワイヤレス充電システム
116 電動車両誘導コイル
118 バッテリーユニット
130 ローカル配電センター
132 電力バックボーン
134 通信バックホール
136 アンテナ
138 アンテナ
140 アンテナ
200 ワイヤレス電力伝達システム
202 ベースワイヤレス電力充電システム
204 ベースシステム誘導コイル
206 ベースシステム送信回路
208 電源
214 電動車両充電システム
216 電動車両誘導コイル
218 電動車両バッテリーユニット
222 電動車両受信回路
236 ベース充電システム電力コンバータ
238 電動車両電力コンバータ
300 ワイヤレス電力伝達システム
302 ベースワイヤレス電力充電システム
304 ベースシステム電力誘導コイル
314 電動車両充電システム
316 電動車両誘導コイル
336 ベース充電システム電力コンバータ
338 電動車両電力コンバータ
342 ベース充電システムコントローラ
344 電動車両コントローラ
352 ベース充電位置合わせシステム
354 電動車両位置合わせシステム
356 通信リンク
360 ベース充電システム電力インターフェース
362 ベース充電案内システム
364 電動車両案内システム
366 案内リンク
376 通信リンク
412 電動車両
422 電動車両バッテリーユニット
424 バッテリーコンパートメント
426 ワイヤレス電力インターフェース
432 コントローラ
530d バッテリー空間
532a 導電性シールド層
532b 導電性シールド
534b 保護筐体
534d 保護層
536a 完全にフェライトが埋め込まれた導電コイル
536b コイル
536c コイル
536d コイル
538a フェライト材料
538b フェライト材料
538d フェライト材料
540d 電動車両誘導コイルモジュール
542d 電動車両誘導コイルモジュール
802 ベースワイヤレス充電システム
1202 ベースワイヤレス充電システム
1302 ベースワイヤレス充電システム
1402 ベースワイヤレス充電システム
1502 ベースワイヤレス充電システム
1700 装置
1705 第1のキャパシタ
C1 キャパシタ
C1A キャパシタ
C1B キャパシタ
C2 キャパシタ
CB キャパシタ
CTX1 等価キャパシタ
CTX2 等価キャパシタ
H インバータブリッジ
I1 電流
IC 電流
Ii インバータ出力電流
Li
L1 等価インダクタ
LB 等価インダクタ
LTX1 第2のインダクタ
LTX2 第3のインダクタ
R 有効負荷
S1 スイッチ
TX 絶縁変圧器
VTX1 第1のタップ電圧
VTX2 第2のタップ電圧
Vi インバータ出力電圧
Claims (28)
- ワイヤレス送信電力用の場を第1の構成と第2の構成の両方で生成するように構成された送信アンテナと、
第1のキャパシタと、
前記第1のキャパシタを前記第1の構成と前記第2の構成の一方で選択的に接続するように構成された少なくとも1つのスイッチであって、前記第1のキャパシタは、前記第1の構成では前記送信アンテナと直列に接続され、前記第2の構成では前記送信アンテナと並列に接続される少なくとも1つのスイッチと、
前記送信アンテナと並列に接続された第2のキャパシタであって、前記第1のキャパシタは、前記第1の構成では前記第2のキャパシタと並列に接続され、前記第2の構成では前記第2のキャパシタと直列に接続される第2のキャパシタとを備えるワイヤレス電力送信機。 - 前記少なくとも1つのスイッチと直列に接続された第3のキャパシタをさらに備える、請求項1に記載のワイヤレス電力送信機。
- 前記第3のキャパシタは、前記第1の構成に存在する追加の無効負荷を補償するように構成される、請求項2に記載のワイヤレス電力送信機。
- 前記少なくとも1つのスイッチは、共振経路の一部ではない、請求項1に記載のワイヤレス電力送信機。
- 前記少なくとも1つのスイッチは、前記送信アンテナと受信機との間の結合に基づいて前記第1のキャパシタを前記第1の構成と前記第2の構成の一方で選択的に接続するように構成される、請求項1に記載のワイヤレス電力送信機。
- 前記送信アンテナと前記受信機との間の前記結合を測定し、前記結合をしきい値と比較するように構成された少なくとも1つのプロセッサをさらに備える、請求項5に記載のワイヤレス電力送信機。
- 前記第1の構成では第1の巻数比で動作し、前記第2の構成では第2の巻数比で動作するように構成され、前記第1の巻数比は前記第2の巻数比よりも高いマルチタップ変圧器をさらに備える、請求項1に記載のワイヤレス電力送信機。
- ワイヤレス電力送信機においてワイヤレス充電電力を送る方法であって、
送信アンテナにおいて、ワイヤレス送信電力用の場を第1の構成と第2の構成の両方で生成するステップと、
第1のキャパシタを前記第1の構成と前記第2の構成の一方で選択的に接続するステップであって、前記第1のキャパシタは、前記第1の構成では前記送信アンテナと直列に接続され、前記第2の構成では前記送信アンテナと並列に接続されるステップと、
前記第1のキャパシタを前記第1の構成では第2のキャパシタと並列に接続し、前記第2の構成では前記第2のキャパシタと直列に接続するステップであって、前記第2のキャパシタは前記送信アンテナと並列に接続されるステップとを含む方法。 - 前記ワイヤレス電力送信機は、前記少なくとも1つのスイッチと直列に接続された第3のキャパシタを備える、請求項8に記載の方法。
- 前記第3のキャパシタは、前記第1の構成に存在する追加の無効負荷を補償するように構成される、請求項9に記載の方法。
- 前記接続は、共振経路の一部ではない少なくとも1つのスイッチを介して行われる、請求項8に記載の方法。
- 前記送信アンテナと受信機との間の結合に基づいて前記第1のキャパシタを前記第1の構成と前記第2の構成の一方で選択的に接続するステップをさらに含む、請求項8に記載の方法。
- 前記送信アンテナと前記受信機との間の前記結合を測定し、前記結合をしきい値と比較するステップをさらに含む、請求項12に記載の方法。
- マルチタップ変圧器を前記第1の構成では第1の巻数比で動作し、前記第2の構成では第2の巻数比で動作するように構成するステップであって、前記第1の巻数比は前記第2の巻数比よりも高いステップをさらに含む、請求項8に記載の方法。
- ワイヤレス充電電力を送るための装置であって、
第1のキャパシタと、
ワイヤレス送信電力用の場を第1の構成と第2の構成の両方で生成するための手段と、
前記場を生成するための前記手段と並列に接続された第2のキャパシタと、
前記第1のキャパシタを前記第1の構成と前記第2の構成の一方で選択的に接続するための手段であって、前記第1のキャパシタは、前記第1の構成では前記生成するための手段と直列に接続され、前記第2の構成では前記生成するための手段と並列に接続される手段と、
前記第1のキャパシタを前記第1の構成では前記第2のキャパシタと並列に接続し、前記第2の構成では前記第2のキャパシタと直列に接続するための手段とを備える装置。 - 前記接続のための手段と直列に接続された第3のキャパシタをさらに備える、請求項15に記載の装置。
- 前記第3のキャパシタは、前記第1の構成に存在する追加の無効負荷を補償するように構成される、請求項16に記載の装置。
- 前記接続のための手段は、共振経路の一部ではない、請求項15に記載の装置。
- 送信アンテナと受信機との間の結合に基づいて前記第1のキャパシタを前記第1の構成と前記第2の構成の一方で選択的に接続するための手段をさらに備える、請求項15に記載の装置。
- 前記送信アンテナと前記受信機との間の前記結合を測定するための手段と、前記結合をしきい値と比較するための手段とをさらに備える、請求項19に記載の装置。
- 前記第1の構成では第1の巻数比で動作し、前記第2の構成では第2の巻数比で動作するように構成されたマルチタップ変圧器であって、前記第1の巻数比は前記第2の巻数比よりも高いマルチタップ変圧器をさらに備える、請求項15に記載の装置。
- コードを含む非一時的コンピュータ可読記憶媒体であって、前記コードは、実行されたときに、装置に、
送信アンテナにおいて、ワイヤレス送信電力用の場を第1の構成と第2の構成の両方で生成することと、
第1のキャパシタを前記第1の構成と前記第2の構成の一方で選択的に接続することであって、前記第1のキャパシタは、前記第1の構成では前記送信アンテナと直列に接続され、前記第2の構成では前記送信アンテナと並列に接続されることと、
前記第1のキャパシタを前記第1の構成では第2のキャパシタと並列に接続し、前記第2の構成では前記第2のキャパシタと直列に接続することであって、前記第2のキャパシタは前記送信アンテナと並列に接続されることとを行わせる媒体。 - 前記装置は、少なくとも1つのスイッチと直列に接続された第3のキャパシタをさらに備える、請求項22に記載の媒体。
- 前記第3のキャパシタは、前記第1の構成に存在する追加の無効負荷を補償するように構成される、請求項23に記載の媒体。
- 前記接続は、共振経路の一部ではない少なくとも1つのスイッチを介して行われる、請求項22に記載の媒体。
- 実行されたときに、前記装置に、前記送信アンテナと受信機との間の結合に基づいて前記第1のキャパシタを前記第1の構成と前記第2の構成の一方で選択的に接続させるコードをさらに含む、請求項22に記載の媒体。
- 実行されたときに、前記装置に前記送信アンテナと前記受信機との間の前記結合を測定させ、前記結合をしきい値と比較させるコードをさらに含む、請求項26に記載の媒体。
- 実行されたときに、前記装置に、マルチタップ変圧器を前記第1の構成では第1の巻数比で動作し、前記第2の構成では第2の巻数比で動作するように構成することであって、前記第1の巻数比は前記第2の巻数比よりも高いことを行わせるコードをさらに含む、請求項22に記載の媒体。
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JP2016541228A (ja) | 2016-12-28 |
CA2920780C (en) | 2017-12-05 |
KR101932822B1 (ko) | 2019-03-15 |
CA2920780A1 (en) | 2015-03-19 |
ES2635601T3 (es) | 2017-10-04 |
US20150077046A1 (en) | 2015-03-19 |
KR20160053946A (ko) | 2016-05-13 |
US9994114B2 (en) | 2018-06-12 |
EP3036820A1 (en) | 2016-06-29 |
WO2015038539A1 (en) | 2015-03-19 |
KR20170064552A (ko) | 2017-06-09 |
US20160272072A1 (en) | 2016-09-22 |
US9302591B2 (en) | 2016-04-05 |
CN105531908A (zh) | 2016-04-27 |
CN105531908B (zh) | 2018-09-28 |
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