JP2017533692A5 - - Google Patents

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JP2017533692A5
JP2017533692A5 JP2017523843A JP2017523843A JP2017533692A5 JP 2017533692 A5 JP2017533692 A5 JP 2017533692A5 JP 2017523843 A JP2017523843 A JP 2017523843A JP 2017523843 A JP2017523843 A JP 2017523843A JP 2017533692 A5 JP2017533692 A5 JP 2017533692A5
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inductive power
power receiver
stage
voltage
power
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  1. 誘導電力伝達システムの誘導電力受信機であって、
    送信機により送信された電力を受信する受信コイルを含む電力ピックアップステージと、
    前記電力ピックアップステージに接続される負荷ステージと、
    前記電力ピックアップステージに直列電圧を提供する様に構成された電力調整ステージであって、前記直列電圧は、少なくとも第1振幅と前記第1振幅とは異なる第2振幅との間で切り替わる、前記電力調整ステージと、
    前記負荷ステージに届けられる前記電力を調整するため、前記電力調整ステージを制御する様に構成されたコントローラと、
    を備えている、誘導電力受信機。
  2. 請求項1に記載の誘導電力受信機であって、
    前記負荷ステージは、前記電力調整ステージ及び前記電力ピックアップステージの組み合わせからの電圧を負荷へのDC電圧に変換する様に構成された電力変換ステージを備えている、誘導電力受信機。
  3. 請求項2に記載の誘導電力受信機であって、
    前記電力変換ステージは、ハーフブリッジ整流器又はフルブリッジ整流器であり、又は前記電力調整ステージは、キャパシタと並列なハーフブリッジコンバータである、誘導電力受信機。
  4. 請求項3に記載の誘導電力受信機であって、
    前記コントローラは、前記電力変換ステージのスイッチングデバイスの導通タイミングを動的に制御する様に構成されている、誘導電力受信機。
  5. 請求項2に記載の誘導電力受信機であって、
    前記DC電圧の振幅は、前記第1振幅及び前記第2振幅の両方と異なり、
    前記DC電圧の振幅と前記第1振幅には少なくとも2Vの差があり、前記DC電圧の振幅と前記第2振幅には少なくとも2Vの差があり、又は
    前記第1振幅及び前記第2振幅の少なくとも1つは、2V未満である、誘導電力受信機。
  6. 請求項3に記載の誘導電力受信機であって、
    前記ハーフブリッジコンバータは、前記受信コイルに誘起されるAC電力信号と実質的に同期して切り替えられる、誘導電力受信機。
  7. 請求項3に記載の誘導電力受信機であって、
    前記直列電圧は、前記電力ピックアップステージからの電圧又は電流に基づき制御される、誘導電力受信機。
  8. 請求項4に記載の誘導電力受信機であって、
    前記電力ピックアップステージは、共鳴同調キャパシタをさらに有し、
    前記コントローラは、
    前記共鳴同調キャパシタの電圧に基づき前記直列電圧を制御し、
    前記共鳴同調キャパシタの電圧を2つ以上の閾値と比較し、前記比較に基づき前記スイッチングデバイスの前記導通タイミングを決定し、
    前記直列電圧を変化させるために、前記閾値が調整され、前記負荷に届けられる前記電力を変化させて、又は
    位相基準信号に基づき届けられる前記電力を調整する、ように構成される、誘導電力受信機。
  9. 請求項8に記載の誘導電力受信機であって、
    前記位相基準信号と制御信号との時間遅延が、前記コントローラによって選択され、
    前記時間遅延の増大は、前記負荷ステージに届けられる前記電力を減少させる結果となり、又は
    前記位相基準は、前記負荷ステージに生じる電圧の位相を測定するように構成される、誘導電力受信機。
  10. 請求項1に記載の誘導電力受信機であって、
    前記電力ピックアップステージは、キャパシタとスイッチとをさらに有し、
    前記電力ピックアップステージの共鳴周波数は、前記スイッチの状態に依存する、誘導電力受信機。
  11. 請求項10に記載の誘導電力受信機であって
    前記送信機により送信される前記電力は第1周波数で送信され、
    前記スイッチがオフであると、前記電力ピックアップステージは、第2周波数で共鳴し、
    前記第1周波数は、前記第2周波数とは異なる、誘導電力受信機。
  12. 請求項11に記載の誘導電力受信機であって、
    前記第2周波数は、前記第1周波数より低い、又は前記第1周波数より少なくとも約7パーセントだけ低い、又は前記第1周波数より少なくとも約25パーセントだけ低い、誘導電力受信機。
  13. 請求項1に記載の誘導電力受信機であって、
    前記直列電圧は、前記送信機の動作周波数と同じ基本周波数で、周期的に変化する、誘導電力受信機。
  14. 請求項1に記載の誘導電力受信機であって、誘導電力伝達を使用する充電マットから充電するために、セルラ電話に組み込まれる様に構成される、誘導電力受信機。
  15. 誘導電力伝達システムの誘導電力受信機を制御する方法であって、
    前記誘導電力受信機のピックアップコイルで直列電圧を生成し、負荷ステージに伝送される電力を調整することと、
    前記ピックアップコイルで受信された送信機からのAC電圧を参照して前記電圧の位相を制御することと、を含む、方法。
JP2017523843A 2014-11-05 2015-11-04 誘導電力受信機 Active JP6830890B2 (ja)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201462075878P 2014-11-05 2014-11-05
US62/075,878 2014-11-05
US201462076714P 2014-11-07 2014-11-07
US62/076,714 2014-11-07
US201562109552P 2015-01-29 2015-01-29
US62/109,552 2015-01-29
US201562237481P 2015-10-05 2015-10-05
US62/237,481 2015-10-05
PCT/NZ2015/050183 WO2016072865A1 (en) 2014-11-05 2015-11-04 An inductive power receiver

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JP2017533692A JP2017533692A (ja) 2017-11-09
JP2017533692A5 true JP2017533692A5 (ja) 2018-12-13
JP6830890B2 JP6830890B2 (ja) 2021-02-17

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US (1) US10923953B2 (ja)
EP (1) EP3216108A4 (ja)
JP (1) JP6830890B2 (ja)
KR (1) KR102434241B1 (ja)
CN (1) CN107636931B (ja)
WO (1) WO2016072865A1 (ja)

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