WO2012102008A1 - Unité bobine utilisée dans un système d'alimentation en courant électrique sans contact - Google Patents

Unité bobine utilisée dans un système d'alimentation en courant électrique sans contact Download PDF

Info

Publication number
WO2012102008A1
WO2012102008A1 PCT/JP2012/000389 JP2012000389W WO2012102008A1 WO 2012102008 A1 WO2012102008 A1 WO 2012102008A1 JP 2012000389 W JP2012000389 W JP 2012000389W WO 2012102008 A1 WO2012102008 A1 WO 2012102008A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
electromagnetic field
primary coil
coil
magnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2012/000389
Other languages
English (en)
Japanese (ja)
Inventor
義治 大森
大介 別荘
篤志 藤田
秀樹 定方
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Panasonic Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Corp filed Critical Panasonic Corp
Publication of WO2012102008A1 publication Critical patent/WO2012102008A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • B60L53/10—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
    • 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
    • B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
    • 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
    • B60L53/39—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer with position-responsive activation of primary coils
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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—ELECTRIC POWER NETWORKS; 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
    • 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
    • Y02T90/12—Electric charging stations
    • 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

Definitions

  • the present invention relates to a coil unit used in a non-contact power feeding system that supplies power from a primary coil to a secondary coil mounted on an electric propulsion vehicle such as an electric vehicle or a hybrid vehicle in a non-contact manner.
  • Such a power supply device has an insulating portion provided on each of the opposed surfaces of the primary coil and the secondary coil, and covers each of the primary coil and the secondary coil except for the opposed surface. With an envelope made of low material.
  • the envelope exists in both the primary coil and the secondary coil, the magnetic flux loss due to the eddy current flowing through the envelope is large. Therefore, the power supplied from the primary coil to the secondary coil is lost.
  • the magnetic flux generated by the primary coil is transferred to the secondary coil by the envelope on the secondary coil side. It cannot be reached and the power transfer efficiency is reduced.
  • An object of the present invention has been made in view of such problems of the prior art, and is a non-contact power supply capable of minimizing power loss caused by magnetic flux loss and maximizing power transmission efficiency. It is providing the coil unit used for a system.
  • the present invention is configured as follows.
  • a coil unit used in a non-contact power feeding system that supplies power from a power feeding device to a power receiving device in a non-contact manner, the primary coil generating an electromagnetic field for the power feeding device, and the primary A magnetic shielding plate formed of a material having a high magnetic permeability or a low electrical resistance, which is installed on a surface substantially perpendicular to the magnetic flux generated at the winding center of the coil, and is disposed outside the outer periphery of the primary coil.
  • An electromagnetic field regulating unit that is electrically connected to a plate, is formed of a material having high permeability or low electrical resistance, and limits a distribution region of an electromagnetic field generated by the primary coil, and for the power receiving device,
  • a coil unit is provided that includes a secondary coil that generates electric power upon application of an electromagnetic field generated by a primary coil.
  • the electromagnetic field distribution part is limited by the electromagnetic field restriction unit of the power feeding device, it is possible to suppress the spread of magnetic flux that does not contribute to the power transmission to the power receiving device, and the power transmission efficiency of the non-contact power feeding system Can be improved.
  • the electromagnetic field regulation unit is disposed only in the power feeding device. Therefore, there is no magnetic flux loss caused by the eddy current flowing through the electromagnetic field regulating unit of the power receiving device. As a result, the magnetic flux loss of the entire non-contact power feeding system can be suppressed.
  • the power receiving device can receive a large amount of power from the power feeding device. Since magnetic fluxes in various directions can pass through the secondary coil of the power receiving device, the power transmission efficiency can be maintained even when the power feeding device or the power receiving device deviates from the facing position where the coils face each other.
  • FIG. 2 Schematic of the non-contact power feeding system according to Embodiment 1 of the present invention
  • FIG. 2 is a longitudinal sectional view of the power feeding device. Partial sectional view of a power feeding device for explaining the effect of the first embodiment
  • the perspective view which shows the internal structure of the electric power feeder of Embodiment 2.
  • the perspective view which shows the internal structure of the electric power feeder of Embodiment 3.
  • the present invention is a coil unit used in a non-contact power feeding system including a power feeding device that generates a high-frequency electromagnetic field and a power receiving device that extracts power from the electromagnetic field.
  • FIG. 1A and 1B are schematic diagrams of a non-contact power feeding system according to Embodiment 1 of the present invention.
  • FIG. 1A shows a state viewed from the rear of the vehicle
  • FIG. 1B shows a state viewed from the side of the vehicle. ing.
  • the non-contact power feeding system includes, for example, a power feeding device 2 installed in a parking space, and a power receiving device 3 mounted on the bottom of an electric propulsion vehicle (hereinafter abbreviated as “vehicle”) 1, for example. Consists of When power is supplied from the power supply device 2 to the power reception device 3, the power supply device 2 and the power reception device 3 are arranged to face each other by appropriately moving the vehicle 1. A high-frequency electromagnetic field region 4 is formed between the power feeding device 2 and the power receiving device 3 that are arranged to face each other. The power receiving device 3 mounted on the vehicle extracts power from the high-frequency electromagnetic field region 4 and charges a rechargeable battery (not shown) with the extracted power.
  • a rechargeable battery not shown
  • the electromagnetic field region 4 there is a particularly strong electromagnetic field due to the power supply transmission from the power feeding device 2 to the power receiving device 3.
  • FIG. 2 shows the internal structure of the power feeding device 2 shown in FIG. 1, and is a perspective view in particular with a cover (not shown) removed.
  • FIG. 3 is a longitudinal sectional view of the power feeding device 2 of FIG.
  • the power feeding device 2 is sequentially arranged on a magnetic shield plate 13 formed of a material having high magnetic permeability (low magnetic resistance) or low electric resistance (for example, metal).
  • Base member 16 magnetic core portion 12, and primary coil 11 (power transmission coil).
  • the magnetic shield 13 is installed on a surface (for example, the ground) substantially perpendicular to the magnetic flux generated at the winding center of the primary coil 11.
  • an electromagnetic field restricting portion 14 that surrounds the base member 16, the magnetic core portion 12, and the primary coil 11 is fixed to the magnetic shielding plate 13 via the electrical connection portion 15.
  • the base member 16 is made of a material other than a conductive material such as metal, for example, a resin containing a ceramic or a filler that improves thermal conductivity.
  • a magnetic core 12 made of a high magnetic permeability material typified by ferrite and for concentrating the magnetic flux is disposed on the base member 16.
  • the primary coil 11 is configured, for example, by winding a copper wire so as to have an annular shape. Note that the primary coil 11 in FIG. 2 is drawn in a disk shape.
  • a substantially cylindrical electromagnetic field restricting part 14 made of a material having high magnetic permeability or low electric resistance (for example, metal) is disposed.
  • the electromagnetic field regulating unit 14 is electrically connected to the magnetic shield plate 13 using, for example, screws or the like via electrical connection units 15 provided at a plurality of locations.
  • the electromagnetic field restriction unit 14 surrounds the outer periphery of the power transmission coil 11 except for the upper side of the primary coil 11 in order to limit the region of the high frequency electromagnetic field generated by the primary coil 11.
  • the power supply device 2 having the above-described configuration may be shallowly embedded in a parking space.
  • the power feeding device 2 itself may be configured to be movable. Note that the power feeding device 2 is installed so that the magnetic shield 13 is located on the bottom side of the power feeding device 2 regardless of whether the power feeding device 2 is buried or movable.
  • the power receiving device 3 similarly to the power feeding device 2, the power receiving device 3 also includes a magnetic shielding plate, a base member, a magnetic core portion, and a coil (secondary coil).
  • a magnetic shield plate of the power receiving device 3 is attached to the vehicle 1.
  • the secondary coil of the power receiving device 3 receives electric field generated by the primary coil 11 of the power feeding device 2 and generates electric power.
  • the power receiving device 3 does not include an electromagnetic field restriction unit. Specifically, a member for regulating an electromagnetic field, which is formed of a material having high magnetic permeability or low electrical resistance, is not provided outside the outer periphery of the secondary coil of the power receiving device 3. Therefore, the radial direction of the secondary coil of the power receiving device 3 is magnetically opened. As a result, magnetic fluxes in various directions including the radial direction of the secondary coil can pass through the secondary coil of the power receiving device.
  • the vehicle 1 is stopped so that the power receiving device 3 (see FIG. 1) and the power feeding device 2 face each other through the air gap. In this way, power is transmitted from the power supply device 2 to the power reception device 3 in a contactless manner with the power reception device 3 and the power supply device 2 positioned so as to face each other.
  • FIG. 4 is a schematic partial cross-sectional view for explaining the relationship among the primary coil 11, the electromagnetic field restricting portion 14, and the magnetic shielding plate 13, and shows the same position as FIG. FIG. 4A shows a case (comparative example) where the electromagnetic field restricting portion 14 and the magnetic shield 13 are not electrically connected.
  • FIG. 4B is a diagram suitable for explaining the technical effect of the first embodiment, and shows a case where the electromagnetic field restricting portion 14 and the magnetic shielding plate 13 are electrically connected.
  • the magnetic flux 20 generated by the primary coil 11 is confined inside the electromagnetic field restriction unit 14.
  • the electromagnetic field restriction unit 14 passes between the electromagnetic field restriction unit 14 and the magnetic shielding plate 13.
  • the magnetic flux 21 which spreads outside and spreads greatly is generated. Further, since the magnetic flux 21 forms a magnetic path that circulates around the electromagnetic field restriction unit 14, the primary coil 11 and the electromagnetic field restriction unit 14 function like a transformer, and a current flows through the electromagnetic field restriction unit 14. As a result, the magnetic flux is lost, and the power supplied from the power feeding device 2 to the power receiving device 2 is lost.
  • the magnetic flux 20 is in a direction other than the opening side direction of the electromagnetic field restriction unit 14 (primary coil). 11 (in the radial direction) is suppressed.
  • the spread of the magnetic flux 20 in the direction between the radial direction of the primary coil 11 and the opening side direction of the electromagnetic field restriction unit 14 mainly varies depending on the positional relationship between the primary coil 11 and the electromagnetic field restriction unit 14.
  • an eddy current is generated by the magnetic flux 20 in the electromagnetic field regulating unit 14 and the magnetic shield 13, and thus an eddy current loss (magnetic flux loss) is generated.
  • the electromagnetic field restriction unit 14 and the magnetic shielding plate 13 are made of a low electrical resistance material such as aluminum, and / or a high permeability material such as ferrite is disposed in the vicinity of the primary coil 11, The magnetic flux 20 in the vicinity of the magnetic shield 13 is reduced. Thereby, magnetic flux loss can be reduced.
  • the electromagnetic field restricting portion 14 arranged outside the outer periphery of the primary coil 11 is electrically connected to the magnetic shield plate 13, thereby expanding the radial direction of the primary coil 11 of the magnetic flux 20 generated by the primary coil 11.
  • the electromagnetic field region 4 can be limited.
  • the power can be transmitted efficiently even when the power feeding device 2 or the power receiving device 3 deviates from the facing position where the coils face each other.
  • FIG. 5 is a perspective view of the internal structure of the power feeding apparatus according to the second embodiment, in which the height of the electromagnetic field restriction unit 14 is partially different.
  • a power receiving device 3 (see FIG. 1) is mounted at a rear position at the bottom of the vehicle 1, a power feeding device 2 is installed at a position opposite to the power receiving device 3, and a structure that causes magnetic flux loss at the rear of the vehicle 1
  • FIG. 5 shows a power supply device that addresses the case where it is installed.
  • the portion of the electromagnetic field restriction portion 14 on the rear side of the power feeding device 2 that is, the side corresponding to the rear of the vehicle 1 is made higher than the other portions (on the side of the precaution plate 13). The distance from one end to the other is increased). Thereby, spreading of the magnetic flux 20 to the rear of the vehicle 1 can be suppressed, and loss of power supplied from the power feeding device 2 to the power receiving device 2 can be minimized.
  • FIG. 6 is a perspective view of the internal structure of the power feeding apparatus according to the third embodiment in which the height of the electromagnetic field restriction unit 14 is partially zero.
  • the magnetic flux 20 spreads in a specific direction by setting the arrangement position of the electromagnetic field restriction unit 14 with respect to the primary coil 11 based on the installation state of the power receiving device 3 (see FIG. 1) and the power feeding device 2. Can be suppressed. As a result, the loss of power supplied from the power feeding device 2 to the power receiving device 2 can be minimized.
  • by partially setting the height of the electromagnetic field regulating unit 14 to zero it is possible to further suppress the magnetic flux loss caused by the generation of eddy current in the electromagnetic field regulating unit 14.
  • the portion on the rear side of the electromagnetic field regulating portion 14 corresponding to the rear of the electric propulsion vehicle 1 is made higher than the other portions.
  • portion of the electromagnetic field restricting portion 14 corresponding to the direction in which the magnetic flux loss is small may be made lower than the other portions so that the magnetic flux 20 spreads in the direction in which the magnetic flux loss is small. Thereby, supply electric power can be maximized.
  • the non-contact power feeding system according to the present invention minimizes the loss of power supplied from the power feeding device to the power receiving device, and can maximize the power transmission efficiency even with respect to the positional deviation between the coil unit of the power feeding device and the power receiving device. It is useful for power feeding to the power receiving device of the electric propulsion vehicle 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

La présente invention concerne une unité bobine d'un système d'alimentation en courant électrique sans contact destiné à amener un courant électrique d'un dispositif d'alimentation en courant électrique (2) à un dispositif de réception de courant électrique (3). Un limiteur de champ électromagnétique (14) connecté électriquement à une plaque de blindage magnétique (13) et formé au moyen d'un matériau présentant une perméabilité magnétique élevée ou une faible résistance électrique est disposé sur l'extérieur d'une périphérie extérieure d'une bobine primaire (11) du dispositif d'alimentation en courant électrique (2) et une zone dans laquelle un champ électromagnétique produit par la bobine primaire (11) est distribué étant limitée.
PCT/JP2012/000389 2011-01-24 2012-01-23 Unité bobine utilisée dans un système d'alimentation en courant électrique sans contact Ceased WO2012102008A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011011664A JP2014063768A (ja) 2011-01-24 2011-01-24 非接触給電システムに用いられるコイルユニット
JP2011-011664 2011-01-24

Publications (1)

Publication Number Publication Date
WO2012102008A1 true WO2012102008A1 (fr) 2012-08-02

Family

ID=46580584

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/000389 Ceased WO2012102008A1 (fr) 2011-01-24 2012-01-23 Unité bobine utilisée dans un système d'alimentation en courant électrique sans contact

Country Status (2)

Country Link
JP (1) JP2014063768A (fr)
WO (1) WO2012102008A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014122121A1 (fr) * 2013-02-05 2014-08-14 Conductix-Wampfler Gmbh Unité bobine et dispositif de transfert inductif d'energie electrique
WO2016040338A1 (fr) * 2014-09-09 2016-03-17 Qualcomm Incorporated Système et procédé pour réduire un flux de fuite dans des systèmes de charge de véhicule électrique sans fil
US9923406B2 (en) 2015-09-04 2018-03-20 Qualcomm Incorporated System and method for reducing leakage flux in wireless charging systems

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018103854A1 (de) 2018-02-21 2019-08-22 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Ladeeinrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009060067A (ja) * 2007-08-31 2009-03-19 Laird Technologies Inc 電磁干渉シールド及びその製造方法
WO2010041321A1 (fr) * 2008-10-09 2010-04-15 トヨタ自動車株式会社 Dispositif de transmission d’énergie sans contact et véhicule équipé de celui-ci
WO2010103639A1 (fr) * 2009-03-12 2010-09-16 トヨタ自動車株式会社 Véhicule électrique
WO2010106648A1 (fr) * 2009-03-18 2010-09-23 トヨタ自動車株式会社 Dispositif de réception d'énergie sans contact, dispositif d'émission d'énergie sans contact, système d'alimentation électrique sans contact et véhicule
JP2012016250A (ja) * 2010-07-05 2012-01-19 Panasonic Electric Works Co Ltd 非接触給電機能付き什器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009060067A (ja) * 2007-08-31 2009-03-19 Laird Technologies Inc 電磁干渉シールド及びその製造方法
WO2010041321A1 (fr) * 2008-10-09 2010-04-15 トヨタ自動車株式会社 Dispositif de transmission d’énergie sans contact et véhicule équipé de celui-ci
WO2010103639A1 (fr) * 2009-03-12 2010-09-16 トヨタ自動車株式会社 Véhicule électrique
WO2010106648A1 (fr) * 2009-03-18 2010-09-23 トヨタ自動車株式会社 Dispositif de réception d'énergie sans contact, dispositif d'émission d'énergie sans contact, système d'alimentation électrique sans contact et véhicule
JP2012016250A (ja) * 2010-07-05 2012-01-19 Panasonic Electric Works Co Ltd 非接触給電機能付き什器

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014122121A1 (fr) * 2013-02-05 2014-08-14 Conductix-Wampfler Gmbh Unité bobine et dispositif de transfert inductif d'energie electrique
CN104969315A (zh) * 2013-02-05 2015-10-07 康达提斯-瓦普弗勒有限公司 用于感应式传输电能的线圈单元和装置
WO2016040338A1 (fr) * 2014-09-09 2016-03-17 Qualcomm Incorporated Système et procédé pour réduire un flux de fuite dans des systèmes de charge de véhicule électrique sans fil
US9889754B2 (en) 2014-09-09 2018-02-13 Qualcomm Incorporated System and method for reducing leakage flux in wireless electric vehicle charging systems
US9923406B2 (en) 2015-09-04 2018-03-20 Qualcomm Incorporated System and method for reducing leakage flux in wireless charging systems

Also Published As

Publication number Publication date
JP2014063768A (ja) 2014-04-10

Similar Documents

Publication Publication Date Title
US11264834B2 (en) Coil apparatus
JP5921839B2 (ja) 非接触給電トランス
JP6475684B2 (ja) コイルユニット
US11328852B2 (en) Coil device
JP6179375B2 (ja) コイルユニット
US10270290B2 (en) Power supply device
JP6370558B2 (ja) コイルユニット及びそれを有する給電システム
JP6665454B2 (ja) コイル装置及びコイルシステム
JP5717090B2 (ja) 受電ユニット、該受電ユニットを備えた充電システム及び電気機器
JPWO2012039077A1 (ja) 非接触給電装置
US20160233723A1 (en) Enclosures for high power wireless power transfer systems
JP2012228150A (ja) 共鳴式非接触給電システム、共鳴式非接触給電システムの送電側装置及び車載充電装置
WO2012090342A1 (fr) Bobine utilisée dans un système d'alimentation électrique sans contact
JP2015008547A (ja) 非接触充電装置
JP2014053366A (ja) コイル装置
WO2012102008A1 (fr) Unité bobine utilisée dans un système d'alimentation en courant électrique sans contact
JP6111645B2 (ja) コイル装置及びそれを用いたワイヤレス電力伝送システム
US9647535B2 (en) Compact structure of power-supply apparatus capable of minimizing electromagnetic noise
EP2953148B1 (fr) Bobine pour dispositif de transmission électrique sans contact ainsi que dispositif de transmission électrique sans contact
WO2014156014A1 (fr) Dispositif de charge sans contact
JP2015090912A (ja) リアクトル
JP6454941B2 (ja) 非接触給電装置および非接触給電システム
US20140085040A1 (en) Power supply apparatus with fringing flux shielding element
CN106463252B (zh) 线圈装置
JP6301675B2 (ja) コイルユニット及びそれを有する給電システム

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12739987

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12739987

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP