WO2015144619A1 - Circuit magnétique permettant la charge dynamique de véhicules électriques - Google Patents

Circuit magnétique permettant la charge dynamique de véhicules électriques Download PDF

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Publication number
WO2015144619A1
WO2015144619A1 PCT/EP2015/056057 EP2015056057W WO2015144619A1 WO 2015144619 A1 WO2015144619 A1 WO 2015144619A1 EP 2015056057 W EP2015056057 W EP 2015056057W WO 2015144619 A1 WO2015144619 A1 WO 2015144619A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductor
energy transfer
transfer device
stationary energy
stationary
Prior art date
Application number
PCT/EP2015/056057
Other languages
German (de)
English (en)
Inventor
Faical Turki
Original Assignee
Paul Vahle Gmbh & Co. Kg
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 Paul Vahle Gmbh & Co. Kg filed Critical Paul Vahle Gmbh & Co. Kg
Publication of WO2015144619A1 publication Critical patent/WO2015144619A1/fr

Links

Classifications

    • 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)
    • 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
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/005—Current collectors for power supply lines of electrically-propelled vehicles without mechanical contact between the collector and the power supply line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/36—Single contact pieces along the line for power supply
    • 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
    • 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

Definitions

  • the present invention relates to a stationary energy transmission device for inductively charging an energy storage device of a vehicle, wherein the energy transmission device comprises a plurality of along the roadway arranged conductor pairs, each pair of conductors is formed of a first conductor and a second conductor, the two conductors arranged parallel to each other in the roadway are and each form a conductor loop.
  • a generic energy transfer device is shown in Figures 1 and two.
  • the stationary energy transmission system has a power supply line 3 extending along the roadway F, which feeds a first supply unit 4.
  • the electrical switching device 5 flows either in the in the carriageway F in the direction of travel successively laid primary conductor loops 6, 6 ' an alternating current, which generates the magnetic field shown in Figure 2 M a and M b .
  • the two parallel conductors 6a and 6b are arranged in a plane to each other, which is arranged parallel to the road surface F 0 .
  • the magnetic fields M a and M b induce in the windings 2b of the pickup 2 of the vehicle 1, a voltage which is used to supply a battery, not shown, of the vehicle.
  • the windings 2b can form series or parallel resonant circuits with capacitors, not shown.
  • the magnetic coupling between the primary and secondary sides of the energy transfer system is improved as more ferromagnetic material is used in the secondary coil.
  • An increase in the coupling can also be achieved by using ferromagnetic material in the primary conductor arrangement.
  • This is disproportionately expensive due to the large use of materials, so that ferromagnetic material in the primary assembly should be avoided if possible.
  • an operating frequency 20 kHz to 200 kHz is usually chosen.
  • the working frequency is limited to the top essentially by the switching losses of the IGBTs used.
  • the present invention is based on the object, a stationary, d .h. primary to provide energy transfer device, which allows a larger air gap between the primary and the secondary side.
  • a stationary energy transfer device for inductive charging of an energy storage device of a vehicle is arranged in the first conductor at a distance above the second conductor in the roadway.
  • the two parallel conductors are arranged in a plane perpendicular to the road surface.
  • Each pair of conductors is part of either an electrical series or parallel resonant circuit, each consisting of the first and second electrical conductors and capacitors.
  • the first and the second conductors form conductor loops, that is to say, conductor loops. they are connected at one end directly or via a capacitor.
  • the pairs of conductors are selectively connectable by means of the supply and switching devices with a power supply line, so that not all arranged in the road conductor loops must be constantly flowed through, but only those over which a vehicle to be loaded is located.
  • a slit is incorporated in the road surface, in which the two conductors are inserted at a distance from each other and one above the other.
  • a housing can be dispensed with, provided that the two conductors and the spacer element are poured into the slot.
  • the conductors, and possibly also other passive and / or active components are arranged in a housing above the introduction into the lane slot have been embedded with each other at a distance in a potting compound and then subsequently the composite structure of conductors and if necessary, further components are subsequently introduced into the carriageway slot. It must be ensured in each case that the ladder arrangement is not damaged by the loads that occur when driving over the later closed lane slot. This can be realized by suitable measures which absorb the forces and / or divert to the side.
  • Figure 1 A generic energy transfer device with successively arranged in the direction of travel conductor loops, which are arranged parallel to the road surface;
  • FIG. 2 shows a cross-sectional view through the energy transmission system shown in principle in FIG. 1;
  • FIG. 3 shows a cross-sectional view through the energy transmission system according to the invention
  • Figure 4 further possible embodiment of a power transmission system according to the invention.
  • FIG 3 shows a cross-sectional view through an inventive energy transmission system, in which the two conductors 6a and 6b in the plane E, which is aligned perpendicular to the road surface F 0 and the plane of the drawing, are arranged at a distance A to each other.
  • the upper conductor 6a generates the magnetic field M a, which is captured by the ferrite arrangement 2 a of the pickup 2 and induces a voltage in the coil winding or the coil windings 2 b of the pickup 2.
  • the pickup 2 is arranged or integrated below the vehicle 1 or in the vehicle floor.
  • the shield 2c shields the pickup 2 from the vehicle 1, wherein the shield 2c can also be arranged in the pickup 2 itself.
  • the lower magnetic field of the lower conductor 6 b is not shown because it does not interact with the pickup 2.
  • the distance A must not be too large so that the inductance formed by the conductors 6a, 6b does not become too large and the strength of the lateral magnetic field does not exceed the permissible limits.
  • Each conductor pair 6a, 6b can be connected to the supply line 3 by means of the electrical switching devices or devices 4, 5 illustrated in FIG.
  • the upper conductor is advantageously arranged below the road surface F 0 of the carriageway F. It is possible that the upper conductor 6a is arranged in the uppermost roadway layer. As shown in Figure 4, the two conductors 6a and 6b einer in a vertical slot S of the carriageway F. Advantageously, they are spaced from each other by a spacer AE. So z. B. are placed under a foundation layer FU in the slot on which the lower conductor 6b is placed, after which then the or the spacer elements AR are placed on the lower conductor 6b. Subsequently, the upper conductor 6a is inserted into the slot S, which can then be closed, for example, with the road surface.
  • the two conductors 6a and 6b are poured in a mold outside of the slot S at a distance to each other, and then then the cured cast body with the embedded conductors 6a and 6b and, if necessary.
  • Other electrical components such , B. capacity, is admitted in the carriageway slot S.
  • the conductors are arranged in a housing G, and as a whole with the housing G in the lane slot S are admitted.
  • the secondary-side energy transmission device 2 may have at least one, in particular flat, disk-shaped, coil core 2a, which is formed in particular by a flat ferrite arrangement.
  • the coil core 2b is encompassed by at least one winding 2b at its top and bottom, wherein the coil core 2b and parallel to the road surface F 0 aligned with the vehicle 1 is arranged or fixed.
  • a metallic shield 2c is arranged above the pickup coil 2a, 2b, so that the vehicle 1 is not disturbed by the magnetic fields generated by the current-carrying conductors arranged above the coil core 2a.
  • the pickup coil 2a, 2b is either part of an electrical series or parallel resonant circuit.

Landscapes

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

Abstract

L'invention concerne un dispositif fixe de transmission d'énergie permettant la charge inductive d'un accumulateur d'énergie d'un véhicule (1), le dispositif de transmission d'énergie présentant plusieurs paires de conducteurs (6a, 6b) agencés les uns derrière les autres le long de la voie (F), chaque paire de conducteurs (6a, 6b) étant formée d'un premier conducteur (6a) et d'un second conducteur (6b), et les deux conducteurs (6a, 6b) étant agencés parallèlement l'un à l'autre dans la voie (F) et formant respectivement une boucle conductrice (6). Le dispositif est caractérisé en ce que le premier conducteur (6a) est agencé à une distance (A) au-dessus du second conducteur (6b) dans la voie (F).
PCT/EP2015/056057 2014-03-28 2015-03-23 Circuit magnétique permettant la charge dynamique de véhicules électriques WO2015144619A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014104437.1A DE102014104437A1 (de) 2014-03-28 2014-03-28 Magnetischer Kreis zum dynamischen Laden von Elektrofahrzeugen
DE102014104437.1 2014-03-28

Publications (1)

Publication Number Publication Date
WO2015144619A1 true WO2015144619A1 (fr) 2015-10-01

Family

ID=52814072

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/056057 WO2015144619A1 (fr) 2014-03-28 2015-03-23 Circuit magnétique permettant la charge dynamique de véhicules électriques

Country Status (2)

Country Link
DE (1) DE102014104437A1 (fr)
WO (1) WO2015144619A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3654493A1 (fr) * 2018-11-15 2020-05-20 Daihen Corporation Unité de ligne à deux parallèles
EP3656602A1 (fr) * 2018-11-15 2020-05-27 Daihen Corporation Unité de condensateur pour système d'alimentation en énergie électrique sans contact
EP4029040A4 (fr) * 2019-09-11 2023-10-18 Battelle Energy Alliance, LLC Blindage électromagnétique actif pour une charge sans fil dynamique à haute puissance

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015103590A1 (de) * 2015-03-11 2016-09-15 Paul Vahle Gmbh & Co. Kg Drehwinkelunabhängige Sekundäreinrichtung zur berührungslosen Energieübertragung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07170612A (ja) * 1993-12-10 1995-07-04 Fujitsu Ten Ltd 電池充電システム
WO2011152677A2 (fr) * 2010-06-03 2011-12-08 한국과학기술원 Dispositif d'alimentation à segment croisé pouvant activer/désactiver des modules individuels
KR20120058892A (ko) * 2010-11-30 2012-06-08 (주)삼우아이엠씨 전기 자동차용 급전라인이 매립되는 도로 포장 구조
US20130098724A1 (en) * 2009-12-16 2013-04-25 Nam Pyo Suh Modular electric-vehicle electricity supply device and electrical wire arrangement method
DE102012107358A1 (de) * 2012-08-10 2014-02-13 Industrieanlagen-Betriebsgesellschaft Mbh Primärleitersystem und Energieversorgungseinrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2476497A (en) * 2009-12-23 2011-06-29 Bombardier Transp Gmbh Transferring electromagnetic energy to a vehicle
US9318257B2 (en) * 2011-10-18 2016-04-19 Witricity Corporation Wireless energy transfer for packaging

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07170612A (ja) * 1993-12-10 1995-07-04 Fujitsu Ten Ltd 電池充電システム
US20130098724A1 (en) * 2009-12-16 2013-04-25 Nam Pyo Suh Modular electric-vehicle electricity supply device and electrical wire arrangement method
WO2011152677A2 (fr) * 2010-06-03 2011-12-08 한국과학기술원 Dispositif d'alimentation à segment croisé pouvant activer/désactiver des modules individuels
KR20120058892A (ko) * 2010-11-30 2012-06-08 (주)삼우아이엠씨 전기 자동차용 급전라인이 매립되는 도로 포장 구조
DE102012107358A1 (de) * 2012-08-10 2014-02-13 Industrieanlagen-Betriebsgesellschaft Mbh Primärleitersystem und Energieversorgungseinrichtung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3654493A1 (fr) * 2018-11-15 2020-05-20 Daihen Corporation Unité de ligne à deux parallèles
CN111193326A (zh) * 2018-11-15 2020-05-22 株式会社达谊恒 平行二线单元
EP3656602A1 (fr) * 2018-11-15 2020-05-27 Daihen Corporation Unité de condensateur pour système d'alimentation en énergie électrique sans contact
EP4029040A4 (fr) * 2019-09-11 2023-10-18 Battelle Energy Alliance, LLC Blindage électromagnétique actif pour une charge sans fil dynamique à haute puissance

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