JP6654141B2 - 非接触給電装置 - Google Patents
非接触給電装置 Download PDFInfo
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- JP6654141B2 JP6654141B2 JP2016551371A JP2016551371A JP6654141B2 JP 6654141 B2 JP6654141 B2 JP 6654141B2 JP 2016551371 A JP2016551371 A JP 2016551371A JP 2016551371 A JP2016551371 A JP 2016551371A JP 6654141 B2 JP6654141 B2 JP 6654141B2
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- 239000003990 capacitor Substances 0.000 claims description 35
- 238000001514 detection method Methods 0.000 claims description 25
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- 230000005540 biological transmission Effects 0.000 description 12
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- 230000001965 increasing effect Effects 0.000 description 7
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- 230000002829 reductive effect Effects 0.000 description 6
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 230000001939 inductive effect Effects 0.000 description 1
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Images
Classifications
-
- 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
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Description
2、2A、2B、2C:給電部 3、3A:受電部
4:非接触給電回路 41:直流電圧調整回路
42:直交変換回路 43:給電コンデンサ
44:給電コイル 45:受電コイル
46:受電コンデンサ 47:受電回路
5:位相差検出部 51:電流位相検出部
6:判定部 7:移動体 71、72:軌道
L:電気負荷 θ:位相差
Va:交流電圧 θV:電圧位相
Ia:交流電流 θI:電流位相
Φm:遅れ位相閾値 Φp:進み位相閾値
Vmax:給電用電圧 Vmin:検出用電圧
Claims (4)
- 給電部に設けられた給電コイルと、給電部に対して相対変位可能な受電部に設けられた受電コイルとを対向させて回路構成し、交流電力を非接触で給電して電気負荷に電源供給する非接触給電回路と、
前記給電部で前記非接触給電回路に印加される交流電圧の電圧位相と、前記給電コイルに流れる交流電流の電流位相との間の位相差であって、前記給電コイルと前記受電コイルとの相対位置関係および前記電気負荷の変動に依存して変化する前記位相差を検出する位相差検出部と、
前記位相差に基づいて前記交流電圧の高低を制御する判定部と、を備え、
前記非接触給電回路は、
前記給電部に設けられて前記判定部からの制御にしたがい前記交流電圧の高低を調整して出力する交流電源回路、
前記受電部に設けられて前記受電コイルが受け取った交流電力を変換して前記電気負荷に給電する受電回路、ならびに、
共振用素子として、前記交流電源回路から見て前記給電コイルに直列接続された給電コンデンサ、および前記受電コイルから見て前記電気負荷に並列接続された受電コンデンサを含み、
前記位相差検出部は、前記電圧位相を前記交流電源回路から取得するとともに、前記電流位相を検出する電流位相検出部を含み、
前記位相差は、前記電圧位相を基準として前記電流位相が進むと正値で表され、前記電流位相が遅れると負値で表され、
前記給電コイルと前記受電コイルとが対向して、かつ前記電気負荷が最大まで増加したときに前記位相差がゼロとなるように、前記給電コイル、前記受電コイル、前記給電コンデンサ、および前記受電コンデンサの特性値、ならびに前記交流電圧の周波数が設定されており、
前記判定部は、前記位相差がゼロまたは所定正値の進み位相閾値を越えて増加するにつれて、前記交流電圧を徐々に低く制御する、非接触給電装置。 - 前記電圧位相を基準として前記電流位相が所定量だけ遅れた負値の遅れ位相閾値が設定されており、
前記判定部は、
前記位相差が前記遅れ位相閾値以上のときに前記給電コイルと前記受電コイルとが対向していると判定して、前記交流電圧を高く制御し、
前記位相差が前記遅れ位相閾値未満のときに前記給電コイルと前記受電コイルとが対向していないと判定して、前記位相差検出部が前記位相差を検出できる範囲内で前記交流電圧を低く制御する、
請求項1に記載の非接触給電装置。 - 前記判定部は、前記位相差に基づいて前記給電部に対する前記受電部の相対変位量を推定する請求項2に記載の非接触給電装置。
- 前記受電部は軌道上を移動する移動体に配設されるとともに、前記軌道に沿って複数個の前記給電部が配設されており、
前記受電部に設けられた前記受電コイルは、少なくとも1個の前記給電部に設けられた前記給電コイルに対向して前記交流電力を受け取る請求項1〜3のいずれか一項に記載の非接触給電装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2014/076000 WO2016051484A1 (ja) | 2014-09-30 | 2014-09-30 | 非接触給電装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016051484A1 JPWO2016051484A1 (ja) | 2017-07-13 |
JP6654141B2 true JP6654141B2 (ja) | 2020-02-26 |
Family
ID=55629583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016551371A Active JP6654141B2 (ja) | 2014-09-30 | 2014-09-30 | 非接触給電装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20170222493A1 (ja) |
EP (1) | EP3203602B1 (ja) |
JP (1) | JP6654141B2 (ja) |
WO (1) | WO2016051484A1 (ja) |
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EP3111530B1 (en) | 2014-02-23 | 2022-04-13 | Apple Inc. | Impedance matching for inductive power transfer systems |
US9537353B1 (en) | 2014-06-03 | 2017-01-03 | Apple Inc. | Methods for detecting mated coils |
US9685814B1 (en) | 2014-06-13 | 2017-06-20 | Apple Inc. | Detection of coil coupling in an inductive charging system |
US10014733B2 (en) | 2014-08-28 | 2018-07-03 | Apple Inc. | Temperature management in a wireless energy transfer system |
US10193372B2 (en) | 2014-09-02 | 2019-01-29 | Apple Inc. | Operating an inductive energy transfer system |
JP6440080B2 (ja) * | 2015-03-12 | 2018-12-19 | パナソニックIpマネジメント株式会社 | 非接触給電装置、プログラム、非接触給電装置の制御方法、および非接触電力伝送システム |
US10666084B2 (en) | 2015-07-10 | 2020-05-26 | Apple Inc. | Detection and notification of an unpowered releasable charging device |
EP3342042B1 (en) * | 2015-08-24 | 2022-04-13 | The Regents of The University of California | Low power magnetic field body area network |
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US10411492B2 (en) | 2015-12-23 | 2019-09-10 | Intel Corporation | Wireless power transmitter shield with capacitors |
JP6598720B2 (ja) * | 2016-03-31 | 2019-10-30 | 東洋電機製造株式会社 | ワイヤレス電力伝送システム |
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GB2561591A (en) * | 2017-04-20 | 2018-10-24 | Bombardier Primove Gmbh | A method and system for determining a relative position or range of relative positions between a primary winding structure and a secondary winding structure |
JP2019062646A (ja) * | 2017-09-26 | 2019-04-18 | 日本無線株式会社 | 非接触給電装置及び非接触給電システム |
JP6977654B2 (ja) * | 2018-03-30 | 2021-12-08 | Tdk株式会社 | ワイヤレス受電装置、及びワイヤレス電力伝送システム |
JP6906712B1 (ja) * | 2020-04-22 | 2021-07-21 | 三菱電機株式会社 | 送電装置及び無線電力伝送システム |
EP4213339A1 (en) | 2020-10-06 | 2023-07-19 | Murata Machinery, Ltd. | Non-contact power supply system and transportation system |
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-
2014
- 2014-09-30 US US15/515,424 patent/US20170222493A1/en not_active Abandoned
- 2014-09-30 WO PCT/JP2014/076000 patent/WO2016051484A1/ja active Application Filing
- 2014-09-30 EP EP14903423.3A patent/EP3203602B1/en active Active
- 2014-09-30 JP JP2016551371A patent/JP6654141B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP3203602A4 (en) | 2018-05-30 |
EP3203602B1 (en) | 2019-06-19 |
EP3203602A1 (en) | 2017-08-09 |
WO2016051484A1 (ja) | 2016-04-07 |
JPWO2016051484A1 (ja) | 2017-07-13 |
US20170222493A1 (en) | 2017-08-03 |
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