JP5547359B1 - 非接触給電システム及び非接触給電方法 - Google Patents
非接触給電システム及び非接触給電方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 19
- 238000013459 approach Methods 0.000 claims abstract description 26
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- B60—VEHICLES IN GENERAL
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- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
- B60L53/126—Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
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- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M7/00—Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway
- B60M7/003—Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway for vehicles using stored power (e.g. charging stations)
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- 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
- H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
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- 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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- H—ELECTRICITY
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- 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
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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
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
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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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/10—Emission reduction
- B60L2270/14—Emission reduction of noise
- B60L2270/147—Emission reduction of noise electro magnetic [EMI]
-
- 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
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
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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
-
- 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
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
-
- 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
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- 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
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- 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
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- 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
- Y02T90/12—Electric charging stations
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- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
【解決手段】給電設備の給電素子21から受電設備の受電素子11に電磁波により電力を送ることより給電を行う非接触給電システムにおいて、給電素子21から放射される電磁波を遮蔽する遮蔽板31を移動体10の移動面5に沿ってスライド可能に設け、遮蔽板31に第1の磁石33を設け、遮蔽板31を給電素子21の遮蔽効果が増大する方向にスライドするように付勢する付勢機構32を設け、移動体10に受電素子11から所定距離離間させて第2の磁石18を設け、第2の磁石18を、移動体10が給電素子21に接近した際に第1の磁石33と結合させ、それにより移動体10と遮蔽板31とを結合させて移動体10の移動とともに遮蔽板31をスライドさせて遮蔽板31による遮蔽を解除するようにする。
Description
図1に第1実施例として説明する非接触給電システム1の概略的な構成を示している。非接触給電システム1は、床面や地面等(以下、移動面5と称する。)に沿って移動する移動体10、移動体10に搭載され、非接触給電によって給電を受ける受電設備、移動面5側に設けられ、非接触給電によって受電設備に給電を行う給電設備、及び、移動面5側に設けられ、給電設備から放射される電磁波を遮蔽(シールド)する遮蔽設備を含む。
第1実施例の非接触給電システム1の構成では、遮蔽板31がスライド可能な方向と異なる方向から移動体10が給電素子21に接近した場合は必ずしも遮蔽を解除することができない。そこで第2実施例の非接触給電システム1では、移動体10が多様な(任意の)方向から給電素子21に接近した場合でも給電素子21の遮蔽が解除されるようにする。
第3実施例として示す非接触給電システム1は、給電素子21及び受電素子11がいずれも所定の放射面又は受電面を有する場合に給電効率の向上を目的として構成したものであり、第2実施例の非接触給電システム1の構成を基本としている。
第4実施例は第2実施例と同様に移動体10が多様な方向から給電素子21に接近した場合でも給電素子21の遮蔽が解除されるようにすることを目的として構成した非接触給電システム1の他の構成である。
Claims (10)
- 移動面に沿って移動する移動体に設けられ、非接触給電により送られてくる電力を受電する受電素子と、
前記移動面に埋設され、前記電力を送電する給電素子と、
前記給電素子から放射される電磁波を遮蔽すべく、前記移動面に沿ってスライド可能に設けられる遮蔽板と、
前記遮蔽板に設けられる第1の磁石と、
前記遮蔽板を前記給電素子の遮蔽効果が増大する方向にスライドするように付勢する付勢機構と、
前記移動体に前記受電素子から所定距離離間させて設けられ、前記移動体が前記給電素子に接近した際に前記第1の磁石と結合して前記移動体と前記遮蔽板とを結合する第2の磁石と
を含む、非接触給電システム。 - 請求項1に記載の非接触給電システムであって、
前記第1の磁石は前記遮蔽板の周縁近傍に設けられ、
前記第2の磁石と前記受電素子との間の前記所定距離は、少なくとも前記給電素子の電磁波の放射面の最大径以上である
非接触給電システム。 - 請求項1又は2に記載の非接触給電システムであって、
前記移動体の移動に伴い前記付勢力に逆らってスライドする前記遮蔽板のスライド量が予め設定された閾値を超えている場合にのみ前記給電素子への電力供給を行う給電電力供給装置を含む
非接触給電システム。 - 請求項1乃至3のいずれか一項に記載の非接触給電システムであって、
互いに異なる方向にスライド可能に設けられた複数の前記遮蔽板を含む
非接触給電システム。 - 請求項1に記載の非接触給電システムであって、
前記遮蔽板の周縁近傍に複数の前記第1の磁石が設けられ、
前記移動体の前記第2の磁石の周囲に複数の受電素子が設けられ、前記第2の磁石と前記受電素子の夫々との間の前記所定距離は、前記給電素子の電磁波の放射面の最大径以下である
非接触給電システム。 - 移動面に沿って移動する移動体に設けられ、非接触給電により送られてくる電力を受電する受電素子と、
前記移動面に埋設され、前記電力を送電する給電素子と、
前記給電素子から放射される電磁波を遮蔽すべく、前記移動面に沿ってスライド可能に設けられる遮蔽板と、
前記遮蔽板に設けられる第1の磁石と、
前記遮蔽板を前記給電素子の遮蔽効果が増大する方向にスライドするように付勢する付勢機構と、
前記移動体に前記受電素子から所定距離離間させて設けた第2の磁石と
を備えて構成される非接触給電システムを用いた非接触給電方法であって、
前記第2の磁石を、前記移動体が前記給電素子に接近した際に前記第1の磁石と結合させて前記移動体と前記遮蔽板とを結合させる、
非接触給電方法。 - 請求項6に記載の非接触給電方法であって、
前記第1の磁石は前記遮蔽板の周縁近傍に設けられ、
前記第2の磁石と前記受電素子との間の前記所定距離は、少なくとも前記給電素子の電磁波の放射面の最大径以上である、
非接触給電方法。 - 請求項6又は7に記載の非接触給電方法であって、
前記移動体の移動に伴い前記付勢力に逆らってスライドする前記遮蔽板のスライド量が予め設定された閾値を超えている場合にのみ前記給電素子への電力供給を行う、
非接触給電方法。 - 請求項6乃至8のいずれか一項に記載の非接触給電方法であって、
互いに異なる方向にスライド可能に設けられた複数の前記遮蔽板を含む
非接触給電方法。 - 請求項6に記載の非接触給電方法であって、
前記遮蔽板の周縁近傍に複数の前記第1の磁石が設けられ、
前記移動体の前記第2の磁石の周囲に複数の受電素子が設けられ、前記第2の磁石と前記受電素子の夫々との間の前記所定距離は、前記給電素子の電磁波の放射面の最大径以下である
非接触給電方法。
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JP6546956B2 (ja) | 2017-04-28 | 2019-07-17 | 株式会社Subaru | 車両 |
JP2019057959A (ja) * | 2017-09-19 | 2019-04-11 | 日本電産株式会社 | 無人移動体 |
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JPWO2015037046A1 (ja) | 2017-03-02 |
EP3056380A4 (en) | 2017-04-19 |
CN105555593A (zh) | 2016-05-04 |
US20160226313A1 (en) | 2016-08-04 |
EP3056380A1 (en) | 2016-08-17 |
WO2015037046A1 (ja) | 2015-03-19 |
KR20160037978A (ko) | 2016-04-06 |
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