DE202009009693U1 - Device for inductive transmission of electrical energy - Google Patents
Device for inductive transmission of electrical energy Download PDFInfo
- Publication number
- DE202009009693U1 DE202009009693U1 DE202009009693U DE202009009693U DE202009009693U1 DE 202009009693 U1 DE202009009693 U1 DE 202009009693U1 DE 202009009693 U DE202009009693 U DE 202009009693U DE 202009009693 U DE202009009693 U DE 202009009693U DE 202009009693 U1 DE202009009693 U1 DE 202009009693U1
- Authority
- DE
- Germany
- Prior art keywords
- measuring
- inductance
- impedance
- output
- inductances
- 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.)
- Expired - Lifetime
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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
- 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
- B60L53/30—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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/60—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
-
- 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
Abstract
Vorrichtung zur induktiven Übertragung elektrischer Energie von einer stationären Einheit mit mindestens einer Primärinduktivität (2) zu einem benachbart zu dieser stehenden Fahrzeug (1) mit mindestens einer Sekundärinduktivität (4), dadurch gekennzeichnet, dass die stationäre Einheit eine Einrichtung (12, 13, 14; 2, 16, 14) zur Detektion des Vorhandenseins eines elektrisch leitfähigen Gegenstandes (11, 1) innerhalb eines vorbestimmten, an die Primärinduktivität (2) angrenzenden Raumes aufweist.Device for the inductive transmission of electrical energy from a stationary unit having at least one primary inductance (2) to a stationary vehicle (1) having at least one secondary inductance (4), characterized in that the stationary unit comprises means (12, 13, 14 2, 16, 14) for detecting the presence of an electrically conductive article (11, 1) within a predetermined space adjacent to the primary inductance (2).
Description
Die Erfindung betrifft eine Vorrichtung zur induktiven Übertragung elektrischer Energie nach dem Oberbegriff des Anspruchs 1. Derartige Vorrichtungen dienen der induktiven Ladung einer in einem Elektrofahrzeug eingebauten, wiederaufladbaren Batterie. Während der Energieübertragung wird zwischen einer stationären Primärspule und einer fahrzeugseitigen Sekundärspule ein magnetisches Feld hoher Feldstärke und Flussdichte aufgebaut. Dies ist notwendig, um in der Sekundärspule einen für die angestrebte Übertragungsleistung ausreichend hohen Strom zu induzieren.The The invention relates to a device for inductive transmission electrical energy according to the preamble of claim 1. Such Devices are used to inductive charge one in an electric vehicle built-in, rechargeable battery. During the energy transfer is between a stationary primary coil and a vehicle-side secondary coil, a magnetic field higher field strength and flux density built up. This is necessary to use in the secondary coil for the desired transmission power induce high enough current.
Werden Gegenstände aus metallischen Werkstoffen in den Bereich eines solchen Feldes eingebracht, so werden in diesen Wirbelströme induziert, die zu einer von Material, Dauer der Einbringung und Höhe der Feldstärke abhängigen Erwärmung führen. Bei Vorhandensein entsprechender Bedingungen kann ein solcher Gegenstand eine Temperatur erreichen, die zu Beschädigungen, z. B. zum Einschmelzen in Kunststoffoberflächen, oder zu Gefährdungen von Personen führen können. Letztere treten insbesondere dann auf, wenn die Sekundärseite entfernt wurde und erwärmte Metallgegenstände frei zugänglich sind und von Personen berührt werden können.Become objects made of metallic materials in the field of such a field introduced, so are induced in these eddy currents, which leads to a of material, duration of insertion and amount of field strength dependent heating. at Existence of appropriate conditions may be such an object reach a temperature that causes damage, such. B. for melting in plastic surfaces, or to hazards lead by persons can. The latter occur especially when the secondary side is removed became and warmed Metal objects freely accessible are and are touched by people can.
Aufgrund der Charakteristik bisheriger Anwendungen für induktive Energieübertragungssysteme wurde eine entsprechende Gefährdung durch metallische Fremdkörper als nicht relevant bewertet oder beispielsweise bei Flurförderzeugen (AGV) durch vor den sekundärseitigen Abnehmern angebrachte Bürsten versucht, solche Gegenstände aus kritischen Feldbereichen zu entfernen. Bei Fahrzeugen mit Fahrer kann im Rahmen einer Schulung darauf hingewiesen werden, im Betrieb auf solche Gegenstände zu achten und diese vor Inbetriebnahme der induktiven Übertragung zu entfernen oder die induktive Übertragung im Zweifelsfall nicht in Betrieb zu nehmen. Für einen weitgehend automatischen Betrieb oder bei höheren Sicherheitsanforderungen, von denen insbesondere beim Einsatz derartiger Systeme in öffentlich zugänglichen Bereichen auszugehen ist, erscheinen die bisherigen Sicherheitsmaßnahmen als ungeeignet oder zumindest unzureichend.by virtue of the characteristic of previous applications for inductive energy transfer systems became a corresponding hazard by metallic foreign bodies assessed as not relevant or, for example, in industrial trucks (AGV) by in front of the secondary side Customers attached brushes trying to get such items to remove from critical field areas. For vehicles with driver can be pointed out in the context of a training, in the enterprise on such objects to pay attention and this before commissioning the inductive transmission to remove or inductive transmission in case of doubt not to put into operation. For a largely automatic operation or at higher Safety requirements, of which in particular when using such systems in public accessible Areas, the previous security measures appear as unsuitable or at least inadequate.
Der Erfindung liegt daher die Aufgabe zugrunde, die Betriebssicherheit eines induktiven Energieübertragungssystems hinsichtlich der Präsenz elektrisch leitfähiger Fremdkörper zu verbessern.Of the The invention is therefore based on the object, the reliability an inductive energy transmission system in terms of presence electric conductive foreign body to improve.
Diese Aufgabe wird erfindungsgemäß durch eine Vorrichtung mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen sind in den Unteransprüchen angegeben.These The object is achieved by a Device solved with the features of claim 1. advantageous Embodiments are specified in the subclaims.
Erfindungsgemäß verfügt bei einer Vorrichtung zur induktiven Übertragung elektrischer Energie von einer stationären Einheit mit mindestens einer Primärinduktivität zu einem benachbart zu dieser stehenden Fahrzeug mit mindestens einer Sekundärinduktivität die stationäre Einheit über eine Einrichtung zur Detektion des Vorhandenseins eines elektrisch leitfähigen Gegenstandes innerhalb eines vorbestimmten, an die Primärinduktivität angrenzenden Raumes. Hierbei interessiert in erster Linie der während der induktiven Energieübertragung zwischen der Primärinduktivität und der Sekundärinduktivität liegende Raum. Wird die Reichweite der Detektionseinrichtung größer gewählt, so ist über die Präsenz von leitfähigen Fremdkörpern in unmittelbarer Nähe der Primärinduktivität hinaus auch die Präsenz eines Fahrzeugs im Bereich der Primärinduktivität feststellbar.According to the invention has a Device for inductive transmission electrical energy from a stationary unit with at least a primary inductance to a adjacent to this stationary vehicle having at least one secondary inductance, the stationary unit via a Device for detecting the presence of an electrically conductive object within a predetermined space adjacent to the primary inductance. in this connection interested primarily in the inductive energy transfer between the primary inductance and the Secondary inductance lying Room. If the range of the detection device is chosen to be larger, then is over the presence of conductive foreign bodies close beyond the primary inductance also the presence of one Detected vehicle in the primary inductance.
Vorzugsweise ist eine Sensorik auf induktiver Basis, d. h. mit einer Impedanzmessung an einer Messinduktivität vorgesehen, da sich eine solche besonders gut zur Unterscheidung zwischen leitfähigen und nicht leitfähigen Gegenständen eignet. Als Messinduktivität kann im einfachsten Fall die ohnehin vorhandene Primärinduktivität verwendet werden. Eine höhere Empfindlichkeit und eine näherungsweise Positionsbestimmung eines metallischen Gegenstandes erlaubt die Verwendung einer regelmäßigen zweidimensionalen Anordnung einer Vielzahl separater Messinduktivitäten. Diese können beispielsweise als planare Spulen ausgebildet sein, die sich kostengünstig in großer Zahl auf einem gemeinsamen Substrat herstellen lassen.Preferably is a sensor based on inductive, d. H. with an impedance measurement at a measuring inductance provided, since such a particularly well to the distinction between conductive and non-conductive objects suitable. As measuring inductance In the simplest case, the already present primary inductance can be used become. A higher one Sensitivity and an approximate position determination of a metallic object allows the use of a regular two-dimensional Arrangement of a large number of separate measuring inductances. These can For example, be designed as planar coils that are inexpensive in greater Make number on a common substrate.
Eine Auswertungseinrichtung vergleicht die Impedanz der Messinduktivität bzw. eine Verteilung der Impedanzen der einzelnen Messinduktivitäten oder Gruppen von Messinduktivitäten mit einer Referenzimpedanz bzw. Referenzverteilung. Bei Vorliegen einer Abweichung vorbestimmten Ausmaßes wird ein Signal ausgegeben, welches die Abweichung anzeigt. Dieses Signal kann auf einer Anzeigeeinrichtung ausgegeben werden und/oder zur Deaktivierung der Stromversorgung der Primärinduktivität verwendet werden.A Evaluation device compares the impedance of the measuring inductance or a Distribution of the impedances of the individual measuring inductances or Groups of measuring inductances with a reference impedance or reference distribution. In presence a deviation of predetermined magnitude, a signal is output, which indicates the deviation. This signal can be displayed on a display device are output and / or to deactivate the power supply used the primary inductance become.
Nachfolgend werden Ausführungsbeispiele der Erfindung anhand der Zeichnungen beschrieben. In diesen zeigtfollowing Be exemplary embodiments of Invention described with reference to the drawings. In these shows
Gestrichelt
sind in
Auf
dem Gehäuse
Wie
die vorliegende Erfindung dieses Problem behebt, wird nachfolgend
anhand
Die
Messspulen
Die
Messspulen
Die
Impedanz jeder Messspule
Die
von den einzelnen Impedanzmesseinrichtungen
Alternativ
zu einer Zuordnung je einer eigenen Impedanzmesseinrichtung
Weiterhin
alternativ könnten
mehrere Messspulen
Durch
die Verteilung einer Vielzahl von Messspulen
Unabhängig von
der Anzahl der Messspulen
Da
die Messspulen
Eine
gegenüber
der vorausgehend beschriebenen Ausführungsform der Erfindung stark
vereinfachte Variante besteht in der Verwendung der Primärspule
Es
versteht sich, dass unter Verwendung der Primärspule
In
jedem Fall ist bei der Festlegung der Stärke des Messfeldes und damit
auch seiner räumlichen Ausdehnung
darauf zu achten, dass es nur einen begrenzten vertikalen Bereich,
beispielsweise bis ca. 50 mm über
dem Gehäuse
Bei
der als erstes beschriebenen Ausführungsform kann anhand der
räumlichen
Verteilung der Impedanzänderungen
und/oder anhand deren Ausmaßen
auch die Präsenz
eines Fahrzeugs
Die
gemeldete von der Auswertungseinheit
Wird
eine ausreichende und andauernde Veränderung der Impedanz bzw. Impedanzverteilung festgestellt,
die auf die Präsenz
eines Fahrzeugs
Claims (16)
Priority Applications (1)
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DE202009009693U DE202009009693U1 (en) | 2009-07-14 | 2009-07-14 | Device for inductive transmission of electrical energy |
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DE202009009693U DE202009009693U1 (en) | 2009-07-14 | 2009-07-14 | Device for inductive transmission of electrical energy |
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DE202009009693U1 true DE202009009693U1 (en) | 2010-11-25 |
Family
ID=43218188
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DE202009009693U Expired - Lifetime DE202009009693U1 (en) | 2009-07-14 | 2009-07-14 | Device for inductive transmission of electrical energy |
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Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2968616A1 (en) * | 2010-12-08 | 2012-06-15 | Renault Sas | Motor vehicle, has detection device provided with conductive electrodes integrated with magnetic shield, and generating signal that indicates presence of exterior element arranged between lower part of chassis and ground |
DE102011015980A1 (en) * | 2011-04-04 | 2012-10-04 | Sew-Eurodrive Gmbh & Co. Kg | System for non-contact transmission of energy from a primary winding to a one of the primary winding inductively kopelbare secondary winding comprehensive vehicle. Method for detecting metal pieces in the system. Method for positioning a vehicle.A method for determining a direction and positioning control method. System for contactless transmission of energy from a primary winding to a secondary winding inductively coupled to the primary winding |
EP2524834A1 (en) | 2011-05-18 | 2012-11-21 | Brusa Elektronik AG | Device for inductive charging of at least one electrical energy storage device of an electric car |
DE102011050655A1 (en) * | 2011-05-26 | 2012-11-29 | Conductix-Wampfler Gmbh | Method for detecting an electrically conductive foreign body and device for inductive transmission of electrical energy |
WO2013036947A2 (en) | 2011-09-09 | 2013-03-14 | Witricity Corporation | Foreign object detection in wireless energy transfer systems |
CN103098344A (en) * | 2011-05-27 | 2013-05-08 | 日产自动车株式会社 | Contactless electricity supply device |
DE102012202472A1 (en) | 2012-02-17 | 2013-08-22 | Siemens Aktiengesellschaft | Device for contactless transmission of energy to a corresponding device |
WO2013127445A1 (en) * | 2012-02-29 | 2013-09-06 | Siemens Aktiengesellschaft | Charging system for the galvanically separated charging of an electrical energy accumulator of a vehicle, electrically powered vehicle, charging station for a vehicle, and corresponding method |
WO2013143926A1 (en) * | 2012-03-30 | 2013-10-03 | Bayerische Motoren Werke Aktiengesellschaft | Device for inductive power transmission |
CN103782485A (en) * | 2011-09-12 | 2014-05-07 | 索尼公司 | Device and system for power transmission |
WO2014095722A2 (en) * | 2012-12-17 | 2014-06-26 | Bombardier Transportation Gmbh | A safety system, a method of operating a safety system and a method of building a safety system |
WO2014095714A2 (en) * | 2012-12-17 | 2014-06-26 | Bombardier Transportation Gmbh | A safety system, a method of operating a safety system and a method of building a safety system |
EP2801498A1 (en) * | 2013-05-07 | 2014-11-12 | Brusa Elektronik AG | Assembly and method for inductively charging mobile devices |
WO2014063159A3 (en) * | 2012-10-19 | 2014-12-31 | Witricity Corporation | Foreign object detection in wireless energy transfer systems |
DE102013212736A1 (en) * | 2013-06-28 | 2014-12-31 | Siemens Aktiengesellschaft | Inductive charging device, electric vehicle, charging station and method for inductive charging |
DE102013215034A1 (en) * | 2013-07-31 | 2015-02-05 | Siemens Aktiengesellschaft | Charging device and method for inductive charging, in particular of electric vehicles |
DE102013219131A1 (en) | 2013-09-24 | 2015-03-26 | Siemens Aktiengesellschaft | Device and method for detecting a foreign body in a magnetic field intended for conduction-free energy transfer |
DE102013220173A1 (en) | 2013-10-07 | 2015-04-09 | Robert Bosch Gmbh | Method for inductive energy transmission and control device for at least one designed for inductive energy transmission electrical device |
EP2761724A4 (en) * | 2011-09-29 | 2015-06-24 | Lg Innotek Co Ltd | Wireless power transmitter, wireless power receiver and impedence control method |
WO2015144268A1 (en) | 2014-03-26 | 2015-10-01 | Robert Bosch Gmbh | Monitoring an apparatus for inductive energy transmission – apparatus and method |
EP2940829A4 (en) * | 2012-12-28 | 2016-01-27 | Panasonic Ip Man Co Ltd | Non-contact power supply apparatus |
WO2016076733A1 (en) * | 2014-11-11 | 2016-05-19 | Powerbyproxi Limited | Inductive power transmitter |
EP3073601A4 (en) * | 2013-11-18 | 2016-09-28 | Ihi Corp | Wireless power supply system |
EP3093958A1 (en) * | 2015-05-15 | 2016-11-16 | Panasonic Intellectual Property Management Co., Ltd. | Foreign object detecting device, wireless power transmitting apparatus, and wireless power transfer system |
WO2017092949A1 (en) * | 2015-12-02 | 2017-06-08 | Robert Bosch Gmbh | Monitoring device for monitoring an inductive energy transmission device |
WO2017194338A1 (en) * | 2016-05-10 | 2017-11-16 | Koninklijke Philips N.V. | Foreign object detection in a wireless power transfer system |
EP3315349A1 (en) * | 2016-10-28 | 2018-05-02 | STILL GmbH | Industrial truck with a battery electrical drive system having a traction battery |
US10069336B2 (en) | 2013-06-28 | 2018-09-04 | Siemens Aktiengesellschaft | Inductive charging device, electric vehicle, charging station, and method for inductive charging |
WO2018233926A1 (en) | 2017-06-21 | 2018-12-27 | Audi Ag | Component of an inductive energy transmission apparatus with object recognition and method for operating an inductive energy transmission apparatus |
US10923956B2 (en) | 2015-11-19 | 2021-02-16 | Apple Inc. | Inductive power transmitter |
DE102020200199A1 (en) | 2020-01-09 | 2021-07-15 | Vitesco Technologies GmbH | Detection of conductive objects on or above a surface |
-
2009
- 2009-07-14 DE DE202009009693U patent/DE202009009693U1/en not_active Expired - Lifetime
Cited By (85)
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---|---|---|---|---|
FR2968616A1 (en) * | 2010-12-08 | 2012-06-15 | Renault Sas | Motor vehicle, has detection device provided with conductive electrodes integrated with magnetic shield, and generating signal that indicates presence of exterior element arranged between lower part of chassis and ground |
DE102011015980B4 (en) * | 2011-04-04 | 2021-05-06 | Sew-Eurodrive Gmbh & Co Kg | System for contactless transmission of energy from a primary winding to a vehicle comprising a secondary winding that can be inductively coupled to the primary winding, method for detecting metal pieces in the system, method for positioning a vehicle, method for determining a direction and positioning control method |
DE102011015980A1 (en) * | 2011-04-04 | 2012-10-04 | Sew-Eurodrive Gmbh & Co. Kg | System for non-contact transmission of energy from a primary winding to a one of the primary winding inductively kopelbare secondary winding comprehensive vehicle. Method for detecting metal pieces in the system. Method for positioning a vehicle.A method for determining a direction and positioning control method. System for contactless transmission of energy from a primary winding to a secondary winding inductively coupled to the primary winding |
EP2524834A1 (en) | 2011-05-18 | 2012-11-21 | Brusa Elektronik AG | Device for inductive charging of at least one electrical energy storage device of an electric car |
WO2012156846A2 (en) | 2011-05-18 | 2012-11-22 | Brusa Elektronik Ag | Device for inductively charging at least one electric energy store of an electric vehicle |
US9296304B2 (en) | 2011-05-18 | 2016-03-29 | Brusa Elektronik Ag | Device for inductively charging at least one electric energy store of an electric vehicle |
US9623763B2 (en) | 2011-05-26 | 2017-04-18 | Conductix—Wampfler Gmbh | Method for detecting an electrically conductive foreign body in a region of a device for inductively transmitting electrical energy and device for inductively transmitting electrical energy |
WO2012160136A3 (en) * | 2011-05-26 | 2013-07-18 | Conductix-Wampfler Gmbh | Method for detecting an electrically conductive foreign body and device for inductively transmitting electrical energy |
DE102011050655A1 (en) * | 2011-05-26 | 2012-11-29 | Conductix-Wampfler Gmbh | Method for detecting an electrically conductive foreign body and device for inductive transmission of electrical energy |
US20130169062A1 (en) * | 2011-05-27 | 2013-07-04 | Nissan Motor Co., Ltd. | Contactless electricity supply device |
EP2717431A4 (en) * | 2011-05-27 | 2015-07-15 | Nissan Motor | Contactless electricity supply device |
CN103098344A (en) * | 2011-05-27 | 2013-05-08 | 日产自动车株式会社 | Contactless electricity supply device |
US9553636B2 (en) | 2011-05-27 | 2017-01-24 | Nissan Motor Co., Ltd. | Contactless electricity supply device with foreign object detector |
CN103098344B (en) * | 2011-05-27 | 2016-05-11 | 日产自动车株式会社 | Contactless power supply device |
WO2013036947A2 (en) | 2011-09-09 | 2013-03-14 | Witricity Corporation | Foreign object detection in wireless energy transfer systems |
AU2012305688B2 (en) * | 2011-09-09 | 2017-06-01 | Witricity Corporation | Foreign object detection in wireless energy transfer systems |
US9442172B2 (en) | 2011-09-09 | 2016-09-13 | Witricity Corporation | Foreign object detection in wireless energy transfer systems |
US10778047B2 (en) | 2011-09-09 | 2020-09-15 | Witricity Corporation | Foreign object detection in wireless energy transfer systems |
EP2754222A4 (en) * | 2011-09-09 | 2015-05-06 | Witricity Corp | Foreign object detection in wireless energy transfer systems |
KR102010943B1 (en) | 2011-09-09 | 2019-08-14 | 위트리시티 코포레이션 | Foreign object detection in wireless energy transfer systems |
KR20180083956A (en) * | 2011-09-09 | 2018-07-23 | 위트리시티 코포레이션 | Foreign object detection in wireless energy transfer systems |
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