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DE102011108689A1 - Electrical charging system for inductive charging battery of e.g. electrical vehicle, has steering and/or brake of vehicle transmitting control instructions to drive so that energy reception point is automatically aligned at output station - Google Patents

Electrical charging system for inductive charging battery of e.g. electrical vehicle, has steering and/or brake of vehicle transmitting control instructions to drive so that energy reception point is automatically aligned at output station Download PDF

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Publication number
DE102011108689A1
DE102011108689A1 DE102011108689A DE102011108689A DE102011108689A1 DE 102011108689 A1 DE102011108689 A1 DE 102011108689A1 DE 102011108689 A DE102011108689 A DE 102011108689A DE 102011108689 A DE102011108689 A DE 102011108689A DE 102011108689 A1 DE102011108689 A1 DE 102011108689A1
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Germany
Prior art keywords
vehicle
energy delivery
charging station
delivery point
charging
Prior art date
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Withdrawn
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DE102011108689A
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German (de)
Inventor
Thomas Weber
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Mercedes Benz Group AG
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Daimler AG
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Publication date
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Priority to DE102011108689A priority Critical patent/DE102011108689A1/en
Publication of DE102011108689A1 publication Critical patent/DE102011108689A1/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D15/00—Steering not otherwise provided for
    • B62D15/02—Steering position indicators ; Steering position determination; Steering aids
    • B62D15/027—Parking aids, e.g. instruction means
    • B62D15/0285—Parking performed automatically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • B60L53/126—Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/37—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
    • 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
    • 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
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • 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
    • B60L2260/00—Operating Modes
    • B60L2260/20—Drive modes; Transition between modes
    • B60L2260/32—Auto pilot mode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/06—Automatic manoeuvring for parking
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid 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
    • Y02T10/62—Hybrid vehicles
    • 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

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

Abstract

The system (1) has an image capture device (7) i.e. stereo camera, for detecting a loading station-side position pattern (5). An evaluation/control device (8) is formed such that deviations of a vehicle-side energy reception point (6) to loading station-side energy output location (4) are determined based on the detected position pattern of the image capture device. A steering (10) and/or a brake (11) of a vehicle (3) transmits appropriate control instructions to drive (9) so that energy reception point is automatically aligned at the energy output station. An independent claim is also included for a method for automatically contacting an energy reception point of a vehicle with an energy output location of a loading station.

Description

Die vorliegende Erfindung betrifft ein elektrisches Ladesystem zum insbesondere induktiven Laden einer Fahrzeugbatterie gemäß dem Oberbegriff des Anspruchs 1. Die Erfindung betrifft weiter ein Verfahren zum automatischen Kontaktieren einer Energieempfangsstelle eines Fahrzeugs mit einer Energieabgabestelle einer Ladestation.The present invention relates to an electrical charging system for the particular inductive charging of a vehicle battery according to the preamble of claim 1. The invention further relates to a method for automatically contacting a power receiving point of a vehicle with a power delivery point of a charging station.

Beim induktiven Aufladen eines Elektrofahrzeugs oder eines sog. Plug-in-Hybridfahrzeugs über einen vorderen Nummernschildbereich ist ein vergleichsweise exaktes Positionieren des Fahrzeugs erforderlich, was bisher üblicherweise manuell durch den Fahrer erfolgt.When inductively charging an electric vehicle or a so-called plug-in hybrid vehicle via a front license plate area, a comparatively exact positioning of the vehicle is required, which has traditionally been carried out manually by the driver.

Aus der DE 10 2008 046 215 A1 ist ein gattungsgemäßes elektrisches Ladesystem zum induktiven Aufladen einer Fahrzeugbatterie mit einer Ladestation und einem die Fahrzeugbatterie tragenden Fahrzeug bekannt. Das Fahrzeug wird dabei mittels eines Fahrzeugassistenzsystems an die Ladestation angekoppelt, wobei das Fahrzeugassistenzsystem zumindest eine Kamera zur Erfassung der Umgebung des Fahrzeugs, eine Bildverarbeitungseinrichtung und eine Anzeigevorrichtung umfasst. Die Kamera ist dabei bspw. im Frontbereich oder im Heckbereich des Fahrzeugs angeordnet. Fährt der Fahrer das Fahrzeug derart an eine Ladestation heran, dass die Kamera die Ankopplungsvorrichtung an der Ladestation erfasst, kann der Fahrer diese auf der Anzeigeeinrichtung wie bspw. einem Monitor, welcher die Aufnahme der Kamera abbildet, markieren. Daraufhin werden in dem Monitor als Zielführung zur Ankopplungsvorrichtung das Kamerabild überlagernde Rangier-Hilfslinien eingeblendet, wobei zusätzlich Informationen über notwendige Lenkbewegungen bzw. einen Abstand des Fahrzeugs zur Ladestation bspw. auch über Lautsprecher ausgegeben werden bzw. als Pfeildarstellung in das Monitorbild eingeblendet werden können. Auf diese Weise kann der Fahrer das Fahrzeug einfach und sicher an die Ankopplungsvorrichtung der Ladestation heranfahren und es an die Ladestation ankoppeln.From the DE 10 2008 046 215 A1 is a generic electric charging system for inductive charging of a vehicle battery with a charging station and a vehicle battery carrying vehicle known. The vehicle is thereby coupled by means of a vehicle assistance system to the charging station, wherein the vehicle assistance system comprises at least one camera for detecting the surroundings of the vehicle, an image processing device and a display device. The camera is, for example, arranged in the front area or in the rear area of the vehicle. If the driver drives the vehicle to a charging station in such a way that the camera detects the coupling device at the charging station, the driver can mark it on the display device, such as, for example, a monitor which images the camera. Then, in the monitor as a route guidance to the coupling device, the camera image superimposed maneuvering guides superimposed, in addition to information about necessary steering movements or a distance of the vehicle to the charging station eg. Spent via speakers or can be displayed as an arrow in the monitor screen. In this way, the driver can drive the vehicle easily and safely to the docking device of the charging station and connect it to the charging station.

Nachteilig bei den aus dem Stand der Technik bekannten Ladesystemen ist jedoch, dass das Ankoppeln des Fahrzeugs an die Ladestation stets vom Fahrer bewerkstelligt, zumindest aber unterstützt werden muss.A disadvantage of the known from the prior art charging systems, however, that the coupling of the vehicle to the charging station always accomplished by the driver, but at least must be supported.

Die vorliegende Erfindung beschäftigt sich daher mit dem Problem, für ein gattungsgemäßes elektrisches Ladesystem eine verbesserte Ausführungsform anzugeben, die sich insbesondere durch eine autarke Arbeitsweise auszeichnet.The present invention therefore deals with the problem of providing an improved electric charging system for a generic embodiment, which is characterized in particular by a self-sufficient operation.

Dieses Problem wird erfindungsgemäß durch die Gegenstände der unabhängigen Ansprüche gelöst. Vorteilhafte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.This problem is solved according to the invention by the subject matters of the independent claims. Advantageous embodiments are the subject of the dependent claims.

Die vorliegende Erfindung beruht auf dem allgemeinen Gedanken, ein elektrisches Ladesystem zu schaffen, welches ein automatisches Anfahren eines Fahrzeugs an eine Ladestation und damit ein zielgenaues Ausrichten einer fahrzeugseitigen Energieempfangsstelle zu einer ladestationsseitigen Energieabgabestelle ermöglicht. Das erfindungsgemäße elektrische Ladesystem ist dabei insbesondere zum induktiven Laden einer Fahrzeugbatterie ausgebildet, welche in dem damit ausgestatteten Fahrzeug, bspw. einem Elektro- oder einem Hybridfahrzeug, angeordnet ist. An der Ladestation selbst sind die vorher erwähnte Energieabgabestelle und in definiertem Abstand dazu ein Positionsmuster angeordnet. Das Fahrzeug weist eine zur Energieabgabestelle komplementär ausgebildete Energieempfangsstelle, eine Bilderfassungseinrichtung und eine Auswerte-/Steuereinrichtung auf, wobei die Bilderfassungseinrichtung zum Erfassen des ladestationsseitigen Positionsmusters ausgebildet ist. Die Auswerte-/Steuereinrichtung ist darüber hinaus derart ausgebildet, dass sie anhand des von der Bilderfassungseinrichtung erfassten Positionsmuster, Positionsabweichungen der fahrzeugseitigen Energieempfangsstelle zur ladestationsseitigen Energieabgabestelle ermittelt und entsprechende Steuer- bzw. Antriebsbefehle an einen Antrieb, eine Lenkung und/oder eine Bremse des Fahrzeugs übermittelt, woraufhin dieses derart selbständig und automatisch verfahren bzw. rangiert wird, dass es seine Energieempfangsstelle mit der ladestationsseitigen Energieabgabestelle zur Deckung gelangt und ein Laden der Fahrzeugbatterie problemlos möglich ist. Das erfindungsgemäße elektrische Ladesystem benötigt somit im Unterschied zu aus dem Stand der Technik bekannten Ladesystemen den Fahrer des Fahrzeugs nicht mehr, sondern es ist in der Lage, das Fahrzeug automatisch derart genau an der Ladestation zu positionieren, dass das Laden der Fahrzeugbatterie, bspw. mittels Induktion, erfolgen kann.The present invention is based on the general idea to provide an electric charging system, which allows automatic starting of a vehicle to a charging station and thus a precise alignment of a vehicle-side power receiving point to a charging station side energy delivery point. The electric charging system according to the invention is designed in particular for the inductive charging of a vehicle battery, which is arranged in the vehicle equipped therewith, for example an electric or a hybrid vehicle. At the charging station itself, the aforementioned energy delivery point and at a defined distance to a position pattern are arranged. The vehicle has a power receiving point complementary to the energy receiving point, an image detection device and an evaluation / control device, wherein the image detection device is designed to detect the charging station side position pattern. The evaluation / control device is also designed in such a way that it determines position deviations of the vehicle-side energy receiving point to the charging station side energy delivery point and transmits corresponding control or drive commands to a drive, a steering and / or a brake of the vehicle based on the detected , whereupon this is so independent and automatically moved or ranked that it reaches its energy receiving point with the charging station side energy delivery point to cover and charging the vehicle battery is easily possible. The charging system according to the invention thus requires, unlike charging systems known from the prior art, the driver of the vehicle no longer, but it is able to automatically position the vehicle so accurately to the charging station that the charging of the vehicle battery, eg. By Induction, can be done.

Im Vergleich zu aus dem Stand der Technik bekannten Ladesystemen ist somit das erfindungsgemäße Ladesystem unabhängig von den Fähigkeiten des Fahrers, wodurch insbesondere die komplexe und häufig fehleranfällige Ankopplung im Frontbereich dem Fahrer abgenommen wird. Hierdurch kann eine Steigerung des Komforts und der Sicherheit erzielt werden. Die Auswerte-/Steuereinrichtung berechnet dabei aus dem Standpunkt des Fahrzeugs und dem anhand der Bilderfassungseinrichtung erfassten Positionsmuster entsprechende Längen, Breiten und Winkelabweichungen, sowie daraus resultierende Steuerbefehle, mittels welchen das Fahrzeug autonom an die ladestationsseitige Energieabgabestelle herangefahren werden kann. In einem Fangbereich der Energieabgabestelle wird dann die induktive Ladung entsprechend der dort geltenden Kommunikations- und Verhaltensprotokolle gesteuert.In comparison to charging systems known from the prior art, the charging system according to the invention is therefore independent of the capabilities of the driver, whereby in particular the complex and often error-prone coupling in the front region is taken from the driver. As a result, an increase in comfort and safety can be achieved. The evaluation / control device calculates corresponding lengths, widths and angular deviations from the position of the vehicle and the position pattern detected on the basis of the image acquisition device, as well as resulting control commands, by means of which the vehicle can be approached autonomously to the charging station-side energy delivery point. In a catch area of the energy delivery point is then controlled the inductive charge according to the applicable communication and behavioral protocols.

Bei einer vorteilhaften Weiterbildung der erfindungsgemäßen Lösung weist die Energieabgabestelle eine Primärspule und die Energieempfangsstelle eine Sekundärspule auf, wodurch ein induktives Laden der Fahrzeugbatterie ermöglicht wird. Ein induktives Laden der Fahrzeugbatterie besitzt dabei den großen Vorteil, dass keine direkten Steckerverbindungen geschlossen bzw. gelöst werden müssen, wodurch sowohl an der Ladestation als auch am Fahrzeug auf derartige Steckersysteme verzichtet werden kann. Ein weiterer großer Vorteil liegt darin, dass keine Adapter vorgehalten werden müssen, um bspw. unterschiedliche fahrzeugseitige Steckersysteme mit ladestationsseitigen Steckersystemen koppeln zu können.In an advantageous development of the solution according to the invention, the energy delivery point has a primary coil and the energy receiving point has a secondary coil, whereby an inductive charging of the vehicle battery is made possible. An inductive charging of the vehicle battery has the great advantage that no direct plug connections must be closed or released, which can be dispensed with such plug systems both at the charging station and on the vehicle. Another major advantage is that no adapters must be held in order to be able to couple, for example, different vehicle-side connector systems with charging station-side connector systems.

Zweckmäßig weist das Positionsmuster an der Ladestation ein Hologramm auf. Ein Hologramm stellt die dreidimensionale Wiedergabe eines Motivs dar, wobei eine Fotografie bspw. mittels eines Lasers derart bearbeitet und ausgeleuchtet wird, dass dabei ein dreidimensionales Bild entsteht. Selbstverständlich sind in diesem Bereich auch computergenerierte Hologramme denkbar, die insbesondere von Datenverarbeitungsanlagen, wie bspw. der erfindungsgemäß vorgesehenen Bilderfassungseinrichtung zuverlässig erfasst und dabei eine Menge an Daten übertragen können.The position pattern on the charging station expediently has a hologram. A hologram represents the three-dimensional reproduction of a motif, wherein a photograph is, for example, processed and illuminated by means of a laser in such a way that a three-dimensional image is formed. Of course, computer-generated holograms are also conceivable in this area, which can be detected reliably in particular by data processing systems, such as, for example, the image capture device provided according to the invention and can thereby transmit a large amount of data.

Weitere wichtige Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen, aus der Zeichnung und aus der zugehörigen Figurenbeschreibung anhand der Zeichnung.Other important features and advantages of the invention will become apparent from the dependent claims, from the drawing and from the associated description of the figures with reference to the drawing.

Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen.It is understood that the features mentioned above and those yet to be explained below can be used not only in the particular combination given, but also in other combinations or in isolation, without departing from the scope of the present invention.

Ein bevorzugtes Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird in der nachfolgenden Beschreibung näher erläutert.A preferred embodiment of the invention is illustrated in the drawing and will be explained in more detail in the following description.

Die einzige 1 zeigt ein erfindungsgemäßes elektrisches Ladesystem.The only 1 shows an inventive electric charging system.

Entsprechend der 1 weist ein erfindungsgemäßes Ladesystem 1 zum induktiven Laden einer Fahrzeugbatterie eine Ladestation 2 sowie ein die Fahrzeugbatterie tragendes Fahrzeug 3 auf. An der Ladestation 2 sind dabei eine Energieabgabestelle 4 sowie in definiertem Abstand dazu ein Positionsmuster 5, bspw. ein Hologramm, angeordnet. Das Fahrzeug 3 weist eine zur Energieabgabestelle 4 komplementär ausgebildete Energieempfangsstelle 6, eine Bilderfassungseinrichtung 7, bspw. eine Kamera und eine Auswerte-/Steuereinrichtung 8 auf. Die Auswerte-/Steuereinrichtung 8 ist dabei erfindungsgemäß derart ausgebildet, dass sie anhand des von der Bilderfassungseinrichtung 7 erfassten Positionsmusters 5, Positionsabweichungen der fahrzeugseitigen Energieempfangsstelle 6 zur ladestationsseitigen Energieabgabestelle 4 ermittelt und entsprechende Steuerbefehle an einen Antrieb 9, eine Lenkung 10 und eine Bremse 11 des Fahrzeugs 3 übermittelt, sodass dieses selbsttätig mit seiner Energieempfangsstelle 6 zur Energieabgabestelle 4 ausgerichtet wird. Die Auswerte-/Steuereinrichtung 8 berechnet somit mittels digitaler Bildverarbeitungsprogramme Abweichungen hinsichtlich eines Winkels bzw. eines Abstandes und gibt entsprechende Steuerbefehle, woraufhin das Fahrzeug 3 autark, insbesondere ohne dass ein Fahrer eingreifen müsste, optimal zur Energieabgabestelle 4 ausgerichtet wird. Die Bilderfassungseinrichtung 7 kann bspw. als Mono- oder Stereokamera ausgebildet sein.According to the 1 has a charging system according to the invention 1 for inductive charging a vehicle battery, a charging station 2 and a vehicle battery carrying the vehicle 3 on. At the charging station 2 are an energy delivery point 4 and at a defined distance to a position pattern 5 , eg a hologram, arranged. The vehicle 3 has one to the energy delivery point 4 complementarily formed energy receiving station 6 , an image capture device 7 , For example, a camera and an evaluation / control device 8th on. The evaluation / control device 8th is inventively designed such that it is based on the image capture device 7 detected position pattern 5 , Position deviations of the vehicle-side power receiving point 6 to the charging station-side energy delivery point 4 determined and corresponding control commands to a drive 9 , a steering 10 and a brake 11 of the vehicle 3 transmitted so that this automatically with its energy receiving point 6 to the energy delivery point 4 is aligned. The evaluation / control device 8th thus calculates by means of digital image processing programs deviations in an angle or a distance and gives corresponding control commands, whereupon the vehicle 3 self-sufficient, in particular without a driver having to intervene, optimally to the energy delivery point 4 is aligned. The image capture device 7 may be formed, for example, as a mono or stereo camera.

Die Energieabgabestelle 4 kann bspw. eine Primärspule 12 aufweisen, wogegen die Energieempfangsstelle 6 eine Sekundärspule 13 besitzt, durch ein induktives Aufladen der Fahrzeugbatterie ermöglicht wird. Das Fahrzeug 3 kann bspw. als Elektro- oder Hybridfahrzeug ausgebildet sein.The energy delivery point 4 can, for example, a primary coil 12 whereas the energy receiving site 6 a secondary coil 13 possesses, is made possible by an inductive charging of the vehicle battery. The vehicle 3 can be designed, for example, as an electric or hybrid vehicle.

Mit dem erfindungsgemäßen elektrischen Ladesystem 1 ist ein automatisches Positionieren des Fahrzeugs 3 möglich, wodurch einerseits eine optimale Ausrichtung der fahrzeugseitigen Energieempfangsstelle 6 zur ladestationsseitigen Energieabgabestelle 4 und damit ein optimaler elektrischer Energieübertrag ermöglicht wird. Insbesondere kann die komplexe und fehleranfällige Ankopplung im Frontbereich dem Fahrer abgenommen werden, wodurch eine Steigerung hinsichtlich Komfort und Sicherheit erzielt wird.With the electric charging system according to the invention 1 is an automatic positioning of the vehicle 3 possible, whereby on the one hand optimal alignment of the vehicle-side power receiving point 6 to the charging station-side energy delivery point 4 and thus an optimal electrical energy transfer is possible. In particular, the complex and error-prone coupling in the front of the driver can be removed, whereby an increase in comfort and safety is achieved.

Das Ankoppeln des Fahrzeugs 3 an die Ladestation 2 erfolgt dabei wie folgt: Zunächst erfasst die fahrzeugseitige Bilderfassungseinrichtung 7 das ladestationsseitige Positionsmuster 5, bspw. ein Hologramm, das in definiertem Abstand zur ladestationsseitigen Energieabgabestelle 4 angeordnet ist. Statt eines Hologramms können auch Linienraster oder ein anderer optischer Aufbau mit dem Zweck einer winkelabhängigen Phasenveränderung der Reflexion eingesetzt werden. Anschließend ermittelt die fahrzeugseitige Auswerte-/Steuereinrichtung 8 anhand des von der Bilderfassungseinrichtung 7 erfassten Positionsmusters 5 Positionsabweichungen der fahrzeugseitigen Energieempfangsstelle 6 zur ladestationsseitigen Energieabgabestelle 4 und übermittelt entsprechende Steuerbefehle an den Antrieb 9, die Lenkung 10 und die Bremse 11 des Fahrzeugs 3, wodurch dieses selbsttätig verfahren und hinsichtlich seiner Energieempfangsstelle 6 zur Energieabgabestelle 4 ausgerichtet, d. h. verfahren wird. Anschließend kann das Aufladen der Fahrzeugbatterie erfolgen. Ein Eingreifen des Fahrers und insbesondere ein manuelles Verfahren des Fahrzeugs 3 durch den Fahrer können hierdurch entfallen.The coupling of the vehicle 3 to the charging station 2 takes place as follows: First detects the vehicle-mounted image capture device 7 the charging station-side position pattern 5 , For example, a hologram, the defined distance to the charging station side energy delivery point 4 is arranged. Instead of a hologram, it is also possible to use line grids or another optical design with the purpose of an angle-dependent phase change of the reflection. Subsequently, the vehicle-side evaluation / control device determines 8th on the basis of the image capture device 7 detected position pattern 5 Position deviations of the vehicle-side power receiving point 6 to the charging station-side energy delivery point 4 and transmits corresponding control commands to the drive 9 , the steering 10 and the brake 11 of the vehicle 3 , whereby this procedure is automatic and with regard to his energy receiving station 6 to the energy delivery point 4 aligned, that is moved. Subsequently, the charging of the vehicle battery can be done. An intervention of the driver and in particular a manual procedure of the vehicle 3 This can be omitted by the driver.

ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • DE 102008046215 A1 [0003] DE 102008046215 A1 [0003]

Claims (6)

Elektrisches Ladesystem (1) zum insbesondere induktiven Laden einer Fahrzeugbatterie mit einer Ladestation (2) und einem die Fahrzeugbatterie tragenden Fahrzeug (3), dadurch gekennzeichnet, dass – an der Ladestation (2) eine Energieabgabestelle (4) und in definiertem Abstand dazu ein Positionsmuster (5) angeordnet/ausgerichtet sind, – das Fahrzeug (3) eine zur Energieabgabestelle (4) komplementär ausgebildete Energieempfangsstelle (6), eine Bilderfassungseinrichtung (7) und eine Auswerte-/Steuereinrichtung (8) aufweist, wobei die Bilderfassungseinrichtung (7) zum Erfassen des ladestationsseitigen Positionsmusters (5) ausgebildet ist, – die Auswerte-/Steuereinrichtung (8) derart ausgebildet ist, dass sie anhand des von der Bilderfassungseinrichtung (7) erfassten Positionsmusters (5), Positionsabweichungen der fahrzeugseitigen Energieempfangsstelle (6) zur ladestationsseitigen Energieabgabestelle (4) ermittelt und entsprechende Steuerbefehle an einen Antrieb (9), eine Lenkung (10) und/oder eine Bremse (11) des Fahrzeugs (3) übermittelt, so dass dieses selbsttätig mit seiner Energieempfangsstelle (6) zur Energieabgabestelle (4) ausgerichtet wird.Electric charging system ( 1 ) for in particular inductive charging a vehicle battery with a charging station ( 2 ) and a vehicle battery carrying the vehicle ( 3 ), characterized in that - at the charging station ( 2 ) an energy delivery point ( 4 ) and at a defined distance to a position pattern ( 5 ) are arranged / aligned, - the vehicle ( 3 ) one to the energy delivery point ( 4 ) complementarily formed energy receiving point ( 6 ), an image capture device ( 7 ) and an evaluation / control device ( 8th ), wherein the image capture device ( 7 ) for detecting the charging station side position pattern ( 5 ), - the evaluation / control device ( 8th ) is designed in such a way that, on the basis of the image capture device ( 7 ) captured position pattern ( 5 ), Position deviations of the vehicle-side power receiving point ( 6 ) to the charging station-side energy delivery point ( 4 ) and corresponding control commands to a drive ( 9 ), a steering ( 10 ) and / or a brake ( 11 ) of the vehicle ( 3 ), so that this automatically with its energy receiving point ( 6 ) to the energy delivery point ( 4 ) is aligned. Elektrisches Ladesystem nach Anspruch 1, dadurch gekennzeichnet, dass die Energieabgabestelle (4) eine Primärspule (12) und die Energieempfangsstelle (6) eine Sekundärspule (13) aufweist, wodurch ein induktives Laden der Fahrzeugbatterie möglich ist.Electrical charging system according to claim 1, characterized in that the energy delivery point ( 4 ) a primary coil ( 12 ) and the energy receiving station ( 6 ) a secondary coil ( 13 ), whereby an inductive charging of the vehicle battery is possible. Elektrisches Ladesystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Positionsmuster (5) ein Hologramm oder ein Linienraster oder einen anderen optischen Aufbau mit dem Zweck einer winkelabhängigen Phasenveränderung der Reflexion aufweist.Electrical charging system according to claim 1 or 2, characterized in that the position pattern ( 5 ) has a hologram or a line screen or other optical structure for the purpose of an angle-dependent phase change of the reflection. Elektrisches Ladesystem nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Bilderfassungseinrichtung (7) eine Mono- oder eine Stereokamera aufweist.Electrical charging system according to one of claims 1 to 3, characterized in that the image capture device ( 7 ) has a mono or a stereo camera. Elektrisches Ladesystem nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Fahrzeug (3) ein Elektro- oder ein Hybridfahrzeug ist.Electrical charging system according to one of claims 1 to 4, characterized in that the vehicle ( 3 ) is an electric or a hybrid vehicle. Verfahren zum automatischen Kontaktieren einer Energieempfangsstelle (6) eines Fahrzeugs (3) mit einer Energieabgabestelle (4) einer Ladestation (2), bei dem – eine fahrzeugseitige Bilderfassungseinrichtung (7) ein ladestationsseitiges Positionsmuster (5) erfasst, welches in definiertem Abstand zur ladestationsseitigen Energieabgabestelle (4) angeordnet/ausgereichtet ist, – eine fahrzeugseitige Auswerte-/Steuereinrichtung (8) anhand des von der Bilderfassungseinrichtung (7) erfassten Positionsmusters (5), Positionsabweichungen der fahrzeugseitigen Energieempfangsstelle (6) zur ladestationsseitigen Energieabgabestelle (4) ermittelt und entsprechende Steuerbefehle an einen Antrieb (9), eine Lenkung (10) und/oder eine Bremse (11) des Fahrzeugs (3) übermittelt, wodurch dieses selbsttätig hinsichtlich der Energieempfangsstelle (6) zur Energieabgabestelle (4) ausgerichtet wird.Method for automatically contacting a power receiving station ( 6 ) of a vehicle ( 3 ) with an energy delivery point ( 4 ) of a charging station ( 2 ), in which - an on-vehicle image capture device ( 7 ) a charging station-side position pattern ( 5 ), which at a defined distance to the charging station-side energy delivery point ( 4 ) is arranged / ausgegereichtet, - an on-board evaluation / control device ( 8th ) on the basis of the image capture device ( 7 ) captured position pattern ( 5 ), Position deviations of the vehicle-side power receiving point ( 6 ) to the charging station-side energy delivery point ( 4 ) and corresponding control commands to a drive ( 9 ), a steering ( 10 ) and / or a brake ( 11 ) of the vehicle ( 3 ), whereby this automatically with respect to the energy receiving point ( 6 ) to the energy delivery point ( 4 ) is aligned.
DE102011108689A 2011-07-27 2011-07-27 Electrical charging system for inductive charging battery of e.g. electrical vehicle, has steering and/or brake of vehicle transmitting control instructions to drive so that energy reception point is automatically aligned at output station Withdrawn DE102011108689A1 (en)

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GB2543094A (en) * 2015-10-09 2017-04-12 Jaguar Land Rover Ltd Method and apparatus for aligning a vehicle with a wireless charging device
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