EP2994342A2 - Dispositif et procédé pour la charge inductive d'appareils mobiles - Google Patents

Dispositif et procédé pour la charge inductive d'appareils mobiles

Info

Publication number
EP2994342A2
EP2994342A2 EP14727069.8A EP14727069A EP2994342A2 EP 2994342 A2 EP2994342 A2 EP 2994342A2 EP 14727069 A EP14727069 A EP 14727069A EP 2994342 A2 EP2994342 A2 EP 2994342A2
Authority
EP
European Patent Office
Prior art keywords
coil
primary coil
coils
primary
arrangement according
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.)
Withdrawn
Application number
EP14727069.8A
Other languages
German (de)
English (en)
Inventor
Axel Krause
Phillipp Matt
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.)
Brusa Elektronik AG
Original Assignee
Brusa Elektronik AG
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 Brusa Elektronik AG filed Critical Brusa Elektronik AG
Priority to EP14727069.8A priority Critical patent/EP2994342A2/fr
Publication of EP2994342A2 publication Critical patent/EP2994342A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H01F27/38—Auxiliary core members; Auxiliary coils or windings
    • 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
    • B60L53/124—Detection or removal of foreign bodies
    • 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
    • B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
    • 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
    • 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
    • H02J50/40—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
    • 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
    • H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
    • H02J2105/30—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles
    • H02J2105/33—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles exchanging power with road vehicles
    • H02J2105/37—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles exchanging power with road vehicles exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV]
    • 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 invention relates to an arrangement for inductive charging of mobile devices, according to the preamble of claim 1, and to a method for operating an arrangement for inductive charging of mobile devices, according to the preamble of claim 14.
  • WO 2007019806 A1 describes an arrangement for inductive charging of mobile devices.
  • an inductive charging platform with a surface is provided on which an electrical device to be charged can be placed. It is a first winding to produce
  • a second winding is provided in the region within the first coil, which also generates a magnetic flux oriented perpendicular to the surface of the charging platform and oriented parallel to the magnetic field of the first coil , The current flow in both windings therefore also runs in parallel.
  • WO 2007013725 A1 discloses a charger for wirelessly charging the battery of a portable electronic device, in which the variation of charging efficiency does not depend too much on the position of the wireless charger.
  • the wireless charger is provided for this purpose with a primary coil, which consists of an outer coil having a predetermined number of turns and a predetermined size and at least one inner coil within the outer coil. Both coils are arranged such that upon application of a primary current in the outer coil and the inner coil magnetic fluxes in the same direction are caused.
  • EP 2267864 A2 a non-contact charging device for an electrical device, for example an electric toothbrush, is described. Energy is transferred via a primary coil and absorbed by a secondary coil in the device to be charged. There is provided an additional coil in the charging device, by means of which also contactless Energy is transmitted to activate a message unit, but the magnetic field of this second coil is not intended for intentional shaping or shielding of the field of the primary coil.
  • a primary winding and an auxiliary winding provided with a smaller number of windings are applied to one and the same core.
  • the auxiliary winding is connected to a control and protection device, but has no function for influencing the field of the primary winding.
  • Vehicles have already been tested in many variants.
  • One variant is the energy transfer to the vehicle preferably via induction loops located in the ground. Again, there are two
  • Embodiments are distinguished, namely the stationary loading of the parked vehicle and the mobile charging while driving on laid in the road or in the ground induction lines.
  • the latter variant is disclosed for example in EP 25248345 A1.
  • the described device comprises a system for supplying power via an alternating current power supply system comprising at least one primary conductor loop unit for magnetic coupling to a secondary conductor loop unit arranged on an electric motor vehicle for charging the at least one electrical energy store via the electrical circulation voltage generated by induction in the secondary
  • the primary conductor loop unit (s) each have at least two loop halves, which are arranged laterally next to one another and form a double dipole loop, which can be acted upon by electric current in the opposite sense.
  • Paired coils of the primary side are also disclosed in WO 200805161 1 A1.
  • Each coil structure is with input lines provided for receiving input current and the pair of
  • Coil windings forms the transmission array.
  • a magnetic dipole alternating field in the frequency range of 25 kHz to 150 kHz is generated by an induction winding of the primary side on or in the ground below the vehicle as soon as the system recognizes a load-ready vehicle or the charging process is started manually. Part of this field pervades one
  • permissible limits for example, the value of 6.25 ⁇ according to the International Commission on Non-Ionizing Radiation Protection (ICNIRP) for magnetic
  • DE 2020090096936 U1 discloses a device in which, in addition to a primary coil for the inductive transmission of electrical energy, a device for detecting the presence of an electrically conductive object in the space adjacent to the primary coil is provided, which device comprises at least one measuring coil. This measuring coil can also be arranged separately and adjacent to the primary coil.
  • Object of the present invention is therefore to avoid in particular this disadvantage and to reduce the stray field outside the immediate charging area of the electrical device or the electrically powered vehicle.
  • the invention finds its application in arrangements for inductive charging of mobile devices, in particular of at least partially electrically powered vehicles, with at least one secondary coil to
  • the or each second coil is radially outside the primary coil, wherein the center of symmetry of at least two of the second coil is within the circumference of the primary coil.
  • the magnetic dipole moment of the second coil is oriented opposite to the dipole moment of the primary coil.
  • the term “radially outside” encompasses, for example, an arrangement in which the second coil has a larger radius than the primary coil and completely surrounds it radially outside, whereby the area bounded by the primary coil lies completely within the area delimited by the second coil
  • the term “radially outside” also encompasses a meaning according to which the second coil is preferably completely outside the area bounded by the primary coil. This variant is added
  • Arrangements with two or more second coils for carrying which are all arranged outside the primary coil.
  • the center of symmetry lies in the middle of the connecting line of the centers of these two coils, and according to the present invention, this center of symmetry lies within the primary coil.
  • the two second coils are thus essentially on each other
  • the center of symmetry of the arrangement of the second coils can also be
  • Symmetry center in the sense of the present invention essentially equate to the focus of this arrangement. This ensures that the generated by the second coil
  • Opposing field i. the field with a magnetic dipole moment, which is opposite to the dipole moment of the primary coil, located outside the energy-transmitting field of the primary coil.
  • a preferred embodiment provides that at least two of the second coils are arranged on opposite sides of the primary coil, specifically on two opposite sides with respect to the center of the primary coil. This can be a
  • Compensation coils be arranged symmetrically to the vehicle longitudinal axis laterally adjacent to the primary coil, whereby a seen in the vehicle longitudinal direction short size is possible.
  • each second coil has a smaller number of turns than the primary coil.
  • the energy transfer through the primary coil is not weakened too much.
  • only a reduction of the radiation field lying radially outside takes place, without substantially reducing the energy transfer to the secondary side taking place mainly in the center of the primary coil.
  • At least one of the second coils is connected in series with the primary coil, whereby a separate control of the two windings can be avoided.
  • This allows a simple structural arrangement without separate circuit arrangements for the two groups of coils.
  • at least one second coil of the primary coil is preferred
  • the opposite orientation of the magnetic dipole moments of the primary coil and the second coil is achieved according to an embodiment of the invention in that the winding sense of each second coil is opposite to the winding sense of the primary coil.
  • Embodiment of the invention may be provided, in which the
  • each of the second coils can preferably be connected to a separate high-frequency voltage source in each case.
  • the compensation fields can then be individually controlled and adapted as a function of a possible incorrect position of the primary side relative to the secondary side, in order to ensure an optimal limitation of the magnetic stray fields. This is advantageous in particular for charging stations for electric vehicles, since, for example, despite deviations from the exact parking position of the vehicle with its secondary coil not exactly and concentrically above the primary coil, the stray fields can be kept below predetermined limits.
  • the inventive arrangement can be provided in a particularly advantageous manner for inductive charging of at least partially electrically operated vehicles, if at least the primary coil and each second coil can be placed or placed close to and opposite the secondary coil of the vehicle to be charged.
  • a good coupling of primary and secondary side for optimal energy transfer can be achieved.
  • the primary coil and at least one of the second coils are placeable or placed on a floor or on a roadway below the vehicle, which on the one hand allows a small distance between the primary side and the secondary side typically arranged in the floor area of the vehicle and the magnetic alternating field in places an area usually far away from the user.
  • a magnetic field with magnetic field lines perpendicular to a surface of Generated primary side is provided for solving the problem set in the invention that with the or each second coil in the outer region of the primary coil, a magnetic field is generated with a dipole moment, which the dipole moment of
  • Primary coil is opposite.
  • the field lines of the second coil (s) opposing the magnetic field lines of the primary coil form an "opposing field", in particular in the radially outer region relative to the axis of the primary coil can be complied with.
  • the current from a current source is preferably conducted successively through the primary coil and at least one second coil with a view to simple construction and interconnection.
  • primary coil and at least one second coil can also be supplied separately with power.
  • this supply is from the same power source, preferably a high frequency power source, to an optimum
  • the inventive method is preferably used
  • Fig. 1a is a schematic representation of the inductive charging of a
  • Fig. 1b is a schematic representation of the inductive charging of a
  • FIG. 2a is a schematic plan view of an inventive
  • Embodiment of an inductive charging arrangement for an electric car Embodiment of an inductive charging arrangement for an electric car
  • Fig. 2b is a schematic front view of an inventive
  • Fig. 2c is a schematic plan view as in Fig. 2a to an alternative
  • FIG. 3 is a diagram of the magnetic field strength with and without
  • Fig. 1 a shows an electrically operated vehicle F, which is parked at, for example, a charging station.
  • This charging station comprises, embedded in the bottom U below the vehicle F, a primary side P of a system for inductive energy transmission.
  • the primary coil 1 generated in the bottom U driven by a high-frequency voltage generator, a
  • Magnetic dipole alternating field in the frequency range of 25 kHz to 150 kHz, as soon as the system of the charging station detects a vehicle ready for charging or as soon as the user manually puts the charging station into operation.
  • a part of the field of the primary coil 1 penetrates the secondary part S provided in the vehicle F with its receiver coil and thus enables contactless energy transfer for charging the battery B of the vehicle F.
  • Fig. 1 b is a similar arrangement for the inductive charge of
  • induction cables L are laid over a certain distance.
  • the magnetic dipole alternating field generated by these induction lines L and extending along the induction lines L again preferably in the Frequency range from 25 kHz to 150 kHz, penetrates again one
  • FIGS. 2a and 2b An exemplary embodiment of a primary side configured according to the invention is shown schematically in FIGS. 2a and 2b.
  • the primary side P here has a primary coil 1 consisting of four windings, to which, seen in terms of circuitry, a second coil 2 with only one
  • the second coil 2 is radially outside the winding of the primary coil 1, but preferably coaxial and more preferably also coplanar to this, arranged.
  • the coil 1 limited area is thus within the limited by the winding of the second coil 2 surface.
  • the center of symmetry of the second coil 2 thus coincides with the center or the center of symmetry of the primary coil 1.
  • the primary coil 1 and the second coil 2 are recessed below the vehicle F in the ground.
  • Vehicle F can be placed wherever a power connection is available.
  • the winding sense of the second coil 2 of the primary part P is opposite to the winding sense of the primary coil 1.
  • the second coil 2 is preferably connected in series with the primary coil 1, preferably downstream of this primary coil 1. Both coils 1 and 2 are preferably via a high frequency voltage or current source
  • magnetic field lines are generated, which have at least one field line of the primary coil e1 opposite component and thus to let the magnetic field outside of the coils 1 and 2 existing primary part P decay rapidly.
  • the magnetic dipole moments of the primary coil 1 and the second coil (s) 2 are as described above geometric arrangement and electrical control preferably oriented exactly opposite.
  • Fig. 2a In the plan view of Fig. 2a is a substantially circular
  • the second coil 2 is substantially circular and its windings are also in a plane, preferably in the same plane as the windings of
  • the windings of the coils 1, 2 can also be configured in a spiral shape. Of course, other geometric shapes for the windings 1, 2 are possible. So are in particular
  • Fig. 2b also located on or in the vehicle F secondary part S with the secondary coil 4 and its preferably provided ferrite shield 5 is shown.
  • Vehicle-side secondary coil 4 does not require a second or further coil for field shielding as a passive "receiver coil.” With respect to the geometric design of secondary coil 4, the above apply
  • FIG. 2c A further alternative embodiment for the coil arrangement of a primary part P is shown in the plan view of FIG. 2c. From a central primary coil 1 - here flat and rectangular shape - with a
  • the two coils 2a, 2b are located with respect to the vehicle longitudinal axis L laterally adjacent to the primary coil 1 and preferably in the same plane as this.
  • the center of symmetry of the two second coils 2a, 2b lies in the middle of the connecting line from the center thereof. This center of symmetry of the second coils 2a, 2b lies So within the scope of the primary coil 1, falls in the illustrated
  • center of symmetry can also be equated with the geometric center of gravity of the geometric figure whose vertices are defined by the centers of the second coils 2, 2a, 2b.
  • the magnetic dipole moment of the coil 2b is also equal to that of the coil 2a and opposite to the dipole moment of the primary coil 1 oriented.
  • a further section of a winding of the coil 2b is returned to the radially outermost right section of the primary coil 1 and thus completes the coil arrangement 1, 2a, 2b of the primary section P.
  • the separate control of the primary coil 1 and the arrangement of the second coil 2, 2 a, 2 b also has the further advantage that each of the coils can have the same winding sense and only by swapping the connections to the supply source 3 the
  • the course of the magnetic flux density is plotted against the distance from the center of the primary coil 1.
  • the limit value for the magnetic flux density prescribed by the ICNIRP is currently 6.25 ⁇ and is entered as a dashed horizontal line G.
  • the course of the magnetic flux density with a conventional primary coil 1 with only one winding with one and the same winding sense is characterized by the line O. Even at 0.8 m distance to the middle of the coil is the

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un dispositif pour la charge inductive d'un appareil électrique (F), dispositif dont le côté primaire (P) présente une bobine primaire (1) et au moins une autre bobine (2, 2a, 2b). Une bobine (2, 2a, 2b) sur deux présente un nombre d'enroulements inférieur à celui de la bobine primaire (1) et est disposée radialement à l'extérieur de cette dernière (1). Le moment magnétique dipolaire de la deuxième bobine (2, 2a, 2b) est opposé au moment dipolaire de la bobine primaire (1).
EP14727069.8A 2013-05-07 2014-05-07 Dispositif et procédé pour la charge inductive d'appareils mobiles Withdrawn EP2994342A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14727069.8A EP2994342A2 (fr) 2013-05-07 2014-05-07 Dispositif et procédé pour la charge inductive d'appareils mobiles

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13166872.5A EP2801498A1 (fr) 2013-05-07 2013-05-07 Agencement et procédé pour la charge inductive d'appareils mobiles
EP14727069.8A EP2994342A2 (fr) 2013-05-07 2014-05-07 Dispositif et procédé pour la charge inductive d'appareils mobiles
PCT/IB2014/061265 WO2014181268A2 (fr) 2013-05-07 2014-05-07 Dispositif et procédé pour la charge inductive d'appareils mobiles

Publications (1)

Publication Number Publication Date
EP2994342A2 true EP2994342A2 (fr) 2016-03-16

Family

ID=48325459

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13166872.5A Withdrawn EP2801498A1 (fr) 2013-05-07 2013-05-07 Agencement et procédé pour la charge inductive d'appareils mobiles
EP14727069.8A Withdrawn EP2994342A2 (fr) 2013-05-07 2014-05-07 Dispositif et procédé pour la charge inductive d'appareils mobiles

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP13166872.5A Withdrawn EP2801498A1 (fr) 2013-05-07 2013-05-07 Agencement et procédé pour la charge inductive d'appareils mobiles

Country Status (2)

Country Link
EP (2) EP2801498A1 (fr)
WO (1) WO2014181268A2 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1296544B1 (fr) 2000-06-30 2011-08-03 Sanyo Electric Co., Ltd. Carte de circuit imprime souple et terminal telephonique cellulaire pliable
KR100819604B1 (ko) * 2005-07-27 2008-04-03 엘에스전선 주식회사 충전효율의 편차가 개선된 무선 충전기
GB0517082D0 (en) 2005-08-19 2005-09-28 Univ City Hong Kong Auxiliary winding for improved performance of a planar inductive charging platform
JP4999089B2 (ja) * 2006-09-29 2012-08-15 一般財団法人電力中央研究所 移動体に対する無接触電力伝送システム
EP2078330A2 (fr) * 2006-10-25 2009-07-15 Laszlo Farkas Systeme de transfert d'energie resonant sans fil a haute puissance
GB0716679D0 (en) * 2007-08-28 2007-10-03 Fells J Inductive power supply
JP2011010444A (ja) 2009-06-25 2011-01-13 Panasonic Electric Works Co Ltd 非接触充電器
DE202009009693U1 (de) * 2009-07-14 2010-11-25 Conductix-Wampfler Ag Vorrichtung zur induktiven Übertragung elektrischer Energie
WO2012018268A1 (fr) * 2010-08-05 2012-02-09 Auckland Uniservices Limited Appareil de transfert d'énergie par induction
EP2524834A1 (fr) * 2011-05-18 2012-11-21 Brusa Elektronik AG Dispositif de chargement inductif d'au moins un accumulateur d'énergie électrique d'un véhicule électrique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014181268A2 *

Also Published As

Publication number Publication date
EP2801498A1 (fr) 2014-11-12
WO2014181268A3 (fr) 2015-07-02
WO2014181268A2 (fr) 2014-11-13

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