EP2988962A2 - Dispositif pour le transfert d'énergie par induction et procédé de fonctionnement un dispositif de transfert d'énergie par induction - Google Patents

Dispositif pour le transfert d'énergie par induction et procédé de fonctionnement un dispositif de transfert d'énergie par induction

Info

Publication number
EP2988962A2
EP2988962A2 EP14715864.6A EP14715864A EP2988962A2 EP 2988962 A2 EP2988962 A2 EP 2988962A2 EP 14715864 A EP14715864 A EP 14715864A EP 2988962 A2 EP2988962 A2 EP 2988962A2
Authority
EP
European Patent Office
Prior art keywords
coil
transmitting coil
receiving coil
vehicle
gap
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Withdrawn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
EP14715864.6A
Other languages
German (de)
English (en)
Inventor
Bernd Eckert
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2988962A2 publication Critical patent/EP2988962A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • 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
    • H02J50/60—Circuit arrangements or systems for wireless supply or distribution of electric power responsive to the presence of foreign objects, e.g. detection of living beings
    • 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
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • 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 device for inductive energy transmission from a transmitting coil to a receiving coil spaced from the transmitting coil, and to a method for operating an inductive energy transmission device.
  • Electric vehicles usually have an electrical energy storage, such as a traction battery that provides the electrical energy for propulsion. If this electrical energy store is completely or partially discharged, then the electric vehicle has to control a charging station, at which the energy store can be recharged. So far, it is customary for this purpose that the electric vehicle is connected to the charging station by means of a cable connection at such a charging station. This connection must usually be made manually by a user. It is also necessary that charging station and electric vehicle have a mutually corresponding connection system.
  • an electrical energy storage such as a traction battery that provides the electrical energy for propulsion. If this electrical energy store is completely or partially discharged, then the electric vehicle has to control a charging station, at which the energy store can be recharged. So far, it is customary for this purpose that the electric vehicle is connected to the charging station by means of a cable connection at such a charging station. This connection must usually be made manually by a user. It is also necessary that charging station and electric vehicle have a mutually corresponding connection system.
  • the alternating magnetic field is from a
  • Reception coil is received within the vehicle and converted into electrical energy. By means of this electrical energy, a traction battery of the vehicle can then be charged.
  • the publication DE 10 201 1010 049 A1 discloses such a system for charging a vehicle battery, in which the energy is transmitted inductively.
  • the energy storage of the electric vehicle can also be used for feeding back.
  • a cable connection or an inductive power transmission can also be used.
  • an air gap In the wireless charging of a battery of an electric vehicle is located between the transmitting coil of the charging station and the receiving coil in the vehicle, an air gap. Due to the required ground clearance of motor vehicles, this air gap is a few centimeters. Air gaps in the size of 15-25 cm are very common, if not by measures such as lowering the vehicle-fixed coil, the entire
  • the present invention in one aspect, provides an apparatus for inductive energy transfer from a transmitting coil to a receiving coil spaced from the transmitting coil with an optical monitoring device configured to monitor a gap between the transmitting coil and the receiving coil.
  • the present invention provides a method of operating an inductive power transmission device, comprising the steps of
  • An essential advantage of the present invention is that it is thus ensured during the entire energy transmission that no disturbing Foreign bodies are located in the space between the transmitting coil and the receiving coil. Otherwise, invading foreign objects could be a major hazard during energy transfer.
  • animals which penetrate into the space between the transmitting coil and the receiving coil suffer damage due to the strong magnetic field.
  • penetrating objects, especially metal-containing objects heat up through the strong magnetic field and may even catch fire.
  • Such intrusion of both animals and other debris can be reliably detected by the interspace monitoring of the invention. If necessary, appropriate action can then be taken.
  • Another advantage is that just by an optical monitoring of the gap between the transmitting and receiving coil, the magnetic field of
  • the optical monitoring device is a
  • the inductive energy transfer device further comprises a cleaning device which is designed to clean the optical monitoring device. Since optical systems tend to be contaminated by environmental influences such as dust or fluidized dirt, such a cleaning device can significantly increase the reliability of the optical monitoring of the gap.
  • the optical monitoring device is designed to detect penetration of an object into the space between the transmitting coil and the receiving coil, and the
  • Disable transmit coil if an intrusion of an object has been detected. On In this way, the inductive energy transfer can be stopped quickly. Thus, a penetrating object is not exposed to the magnetic field of the transmitting coil.
  • the present invention further relates to a battery charging device with a power transmission device according to the invention.
  • the inventive method of operating the inductive power transmission device further comprises the steps of detecting an object in the space between the transmitting coil and the receiving coil and interrupting the power transmission when an object is detected in the space between the transmitting coil and the receiving coil.
  • the method according to the invention further comprises a step for signaling the detection of an object in the intermediate space between the transmitting coil and the receiving coil.
  • 1 shows a schematic representation of a cross section through a vehicle with an inductive energy transmission device according to an embodiment of the invention
  • 2 shows a schematic representation of an optical monitoring according to a
  • FIG. 3 shows a schematic representation of an optical monitoring according to a further embodiment of the invention.
  • FIG. 4 shows a schematic representation of an optical monitoring according to a further embodiment of the invention.
  • FIG. 5 shows a schematic illustration of a method for operating a
  • inductive power transmission device according to an embodiment of the invention.
  • FIG. 1 shows a vehicle 20 parked above an inductive charging station.
  • the vehicle 20 is turned off so that the receiving coil 2 of the vehicle 20 is disposed above the transmitting coil 1. Due to the required ground clearance of the
  • Vehicle 20 is between the area 10, in which the transmitting coil 1 is arranged and the underside of the vehicle 20, in which the receiving coil 2 is located, a gap 30 with an air gap.
  • This gap 30 with the air gap can be several centimeters. In typical vehicle types today, air gaps between 15 and 25 cm are to be expected. But other sizes for the space between terrain 10 and vehicle underside are also possible.
  • This gap 30 is normally freely accessible. Therefore, there is a possibility that living beings or objects may invade this space 30 at any time. For example, animals, such as cats or mice, can invade. Furthermore, there is also the danger that objects such as dirt, debris, leaves or the like can penetrate into this intermediate space 30 due to external influences.
  • the transmitting coil 1 generates a magnetic alternating field. This alternating magnetic field is from the receiving coil. 2
  • Power supply network can also reverse the coil in the vehicle serve as a transmitting coil that generates a magnetic field.
  • the coil in the charging station then works as a receiving coil, which receives the energy of the magnetic field and converts it into electrical energy. This electrical energy can then turn into a
  • Reception coil 2 ensure that there are no unwanted objects in the gap 30, this gap 30 is monitored by an optical monitoring device 3.
  • FIG. 2 shows, for example, the monitoring of a gap 30 by means of a light barrier. For a better view, only a single light barrier between two corner points is shown. For the inventive approach of an optical monitoring of the gap 30, however, also several
  • the gap 30 can be monitored even more reliably in its entire volume by the use of multiple light barriers.
  • Such a light barrier comprises at least one light source which emits a light beam 31 and a light sensor which detects the light of the light source. If the light beam is interrupted or attenuated in its course, ie attenuated, this can be detected by the detector. Furthermore, it is also possible to redirect the light beam 31 transmitted from the light source by means of one or more mirrors, and thus to arrive at a more complex profile of the light beam 31. Thus, a very good monitoring of the volume in the gap 30 can already be achieved by one or only a few light beams.
  • the reliability of such a light barrier technology can, for example, additionally be improved by a combination with an optical distance measurement. In this case, an optical distance measurement usually uses coherent light, for example laser light.
  • an optical distance measurement usually uses coherent light, for example laser light.
  • Distance measuring device to detect the penetration of an object even if due to unwanted reflections of the emitted light beam would arrive in a different way to a detector.
  • FIG. 3 shows a further embodiment for the optical monitoring of the
  • the volume of the gap 30 is monitored by an optical scanner.
  • an optical scanner may be a laser scanner.
  • FIG. 4 shows a further embodiment for optical monitoring of the
  • the externa ßere edge of the gap 30 is monitored by one or more light curtains. If an object penetrates a surface monitored by such a light curtain, it is detected and signaled by the light curtain.
  • a light curtain between two opposite edges in each case an optical beam grating 32 which is at least partially interrupted upon penetration of an object.
  • optical monitoring by a light curtain only the outer edge of the gap 30 is monitored. Therefore, in this case, before initiating the charging process, it must be ensured that no foreign matter is present in the intermediate space 30 at the start time.
  • FIGS. 2 to 4 it goes without saying that further possibilities for optical monitoring of the
  • optical monitoring devices used in this case comprise at least active elements, such as a light source, which has one or more active elements
  • the optical monitoring devices 3 may also comprise passive elements.
  • the optical monitoring devices 3 may also comprise passive elements.
  • Monitoring devices 3 also have mirrors or other reflectors which reflect or deflect the light emitted by the light sources.
  • mirrors or other reflectors which reflect or deflect the light emitted by the light sources.
  • Vehicle 20 or at the charging station, ie at the bottom 10 are.
  • the other side is provided exclusively with passive components, such as mirrors or reflectors.
  • passive components such as mirrors or reflectors.
  • Charging station emit one or more light rays, which are then reflected by reflectors on the underside of the vehicle and thrown back to the detectors at the charging station.
  • the light sources are mounted on the underside of the vehicle 20, and the light is reflected by reflectors in the region of the transmitting coil 2 and then back to detectors on the
  • Vehicle base is passed.
  • each active optical elements are mounted.
  • the light can be emitted from the underside of the vehicle and received by detectors at the charging station in the area of the transmitting antenna 1.
  • the light can be emitted by light sources in the area of the transmitting antenna 1 and by detectors on the underside of the vehicle in the region of
  • Receiving antenna 2 is evaluated. Furthermore, mixed forms are possible.
  • the elements of the optical monitoring device are very strongly influenced by the environment both at the charging station and at the vehicle
  • Cleaning device 4 are provided, which are the elements of the optical
  • Monitoring device 3 cleans and thus freed of impurities.
  • the cleaning device 4 may have one or more nozzles, from which water is emitted with a suitable pressure.
  • a cleaning device may comprise, for example, a tank for a cleaning liquid, such as water, a pump and one or more nozzles.
  • Further possibilities for cleaning the optical monitoring device 3 are also possible.
  • To clean the optical monitoring device it is possible, for example, that the optical elements on the vehicle are already cleaned in the region of the receiving antenna 2 while driving. Thus, the monitoring device 3 is immediately available when parking the vehicle and can be used immediately. Alternatively, it is also possible to clean the optical elements of the monitoring device 3 only when parking the vehicle, or only when initiating the charging process. In the same way, the optical elements of the monitoring device 3 in the region of the transmitting antenna 1 by a cleaning device 4 of
  • this cleaning device 4 the optical elements to clean the transmitting antenna 1 either at regular intervals continuously, or alternatively only when a vehicle is parked on the charger, or the charging process is initiated.
  • the optical monitoring device 3 For cleaning the optical monitoring device 3, it is possible in this case for separate cleaning devices to be used both in the area of the transmitting antenna and in the area of the receiving antenna in the vehicle, which are specially adapted to the respective arrangement of the optical monitoring device. Alternatively, it is also possible to arrange only one cleaning device 4 either on the vehicle 20 or in the charging station in the area of the transmitting antenna 10, and to clean the optical elements both in the area of the transmitting antenna 1 and in the area of the receiving antenna 2 by this single cleaning device.
  • a data connection is established between the vehicle 20 and the charging station.
  • a data connection may preferably be a wireless connection.
  • the connection can be made optically, for example on the basis of infrared light, by means of a radio connection, such as WLAN, GSM, Bluetooth, etc., or by means of an inductive connection between the vehicle and the charging station.
  • Data connection can first be an authorization of the vehicle and / or the driver. Furthermore, the exchange of vehicle-specific Parameters, as well as the transmission of parameters for a later billing of the costs possible. If all the necessary data have been exchanged and the charging process is then to begin, the monitoring device 3 first checks whether the intermediate space 30 between the transmitting antenna 1 and the receiving antenna 2 is free. If the monitoring device 3 recognizes that there is an undesired object in the intermediate space 30, the charging process is not started.
  • the transmitting antenna 1 If, on the other hand, the intermediate space 30 is free, the transmitting antenna 1 generates a magnetic field. This magnetic field is received by the receiving antenna 2 and converted into electrical energy. This electrical energy is supplied via a suitable circuit 21 of the battery 22 of the vehicle 20.
  • Reception antenna 2 penetrates, so the monitoring device 3 can first output a warning signal. Is then the gap 30 within a
  • the charging process is continued without interruption. For example, it is thus conceivable that an invaded animal is frightened by the warning signal and then leaves the intermediate space 30 again. Another possibility is, for example, that a nearby user can immediately remove the penetrating object when the warning signal sounds, before major damage occurs. If, on the other hand, the detected object is not removed from the intermediate space 30 within a predetermined period of time, then the charging process is interrupted by the transmission coil 1 being deactivated. Thus it can be prevented that caused by the penetrated object greater damage. Alternatively, it is also possible to deactivate the transmitting coil 1 immediately upon detection of an intruding object and to stop the charging process. This may be useful in particular when using a light curtain shown in FIG.
  • the optical monitoring device 3 may also be coupled to an additional notification device (not shown) which, upon detection of an object in the gap 30, sends a notification to a user.
  • this may be a notification of the user via a mobile telephone connection or the sending of a message via a suitable further radio connection.
  • the user can be informed of the intrusion of an object in the gap 30 even if he is not in the immediate vicinity of the vehicle. Since the charging process of an electric vehicle can usually take several hours, it is possible that the user is also at a remote location during this time.
  • the user can also be formed in these cases about a fault occurring in. The user can then come to his vehicle, eliminate the fault and then resume charging.
  • FIG. 5 shows a schematic representation of a method 100 for operating an inductive energy transmission device, as can be used, for example, for charging a traction battery in an electric vehicle.
  • a transmitting coil 1 is provided.
  • it may be the transmitting coil of a charging station for the electric vehicle.
  • a receiving coil 2 is provided. This may be, for example, the receiving coil in the electric vehicle with which the traction battery is to be recharged.
  • an inductive energy transfer from the transmitting coil 1 to the receiving coil 2 is carried out
  • step 150 the penetration of an object in the gap 30 between the transmitting coil 1 and the receiving coil 2 can be detected and then, in step 160, the power transmission between the transmitting coil 1 and the receiving coil 2 is interrupted when an object in the gap 30 has been detected.
  • signaling may occur in a step 170 when in the
  • This signaling may, for example, be the output of an optical and / or acoustic signal. Additionally or alternatively, about In addition, the notification of a remote user by means of a
  • Radio connection done For this example, a mobile phone connection, a wireless connection or the like can be used.
  • the present invention relates to the monitoring of a
  • Interspace in particular of the air gap, between a transmitting coil and a receiving coil in an inductive energy transfer.
  • the monitoring of this gap takes place by means of an optical monitoring device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

La présente invention concerne le contrôle d'un intervalle, en particulier de l'entrefer, entre une bobine émettrice et une bobine réceptrice dans le cadre d'un transfert d'énergie par induction. Le contrôle de cet intervalle est effectué au moyen d'un dispositif de contrôle optique. Un contrôle optique de l'entrefer entre une bobine émettrice et une bobine réceptrice permet de détecter de manière fiable la pénétration d'un objet, sans influer sur le champ magnétique nécessaire au transfert d'énergie par induction.
EP14715864.6A 2013-04-22 2014-03-27 Dispositif pour le transfert d'énergie par induction et procédé de fonctionnement un dispositif de transfert d'énergie par induction Withdrawn EP2988962A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013207198.1A DE102013207198A1 (de) 2013-04-22 2013-04-22 Vorrichtung zur induktiven Energieübertragung und Verfahren zum Betrieb einer induktiven Energieübertragungsvorrichtung
PCT/EP2014/056181 WO2014173615A2 (fr) 2013-04-22 2014-03-27 Dispositif pour le transfert d'énergie par induction et procédé de fonctionnement un dispositif de transfert d'énergie par induction

Publications (1)

Publication Number Publication Date
EP2988962A2 true EP2988962A2 (fr) 2016-03-02

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EP14715864.6A Withdrawn EP2988962A2 (fr) 2013-04-22 2014-03-27 Dispositif pour le transfert d'énergie par induction et procédé de fonctionnement un dispositif de transfert d'énergie par induction

Country Status (5)

Country Link
US (1) US20160068071A1 (fr)
EP (1) EP2988962A2 (fr)
JP (1) JP2016525856A (fr)
DE (1) DE102013207198A1 (fr)
WO (1) WO2014173615A2 (fr)

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Title
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US20160068071A1 (en) 2016-03-10
DE102013207198A1 (de) 2014-10-23
WO2014173615A3 (fr) 2014-12-18
WO2014173615A2 (fr) 2014-10-30
JP2016525856A (ja) 2016-08-25

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