DE102014226348A1 - Charging device for charging an electrical energy store - Google Patents
Charging device for charging an electrical energy store Download PDFInfo
- Publication number
- DE102014226348A1 DE102014226348A1 DE102014226348.4A DE102014226348A DE102014226348A1 DE 102014226348 A1 DE102014226348 A1 DE 102014226348A1 DE 102014226348 A DE102014226348 A DE 102014226348A DE 102014226348 A1 DE102014226348 A1 DE 102014226348A1
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- Prior art keywords
- coil
- charging
- sensor
- charging device
- electrical
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Classifications
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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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
- H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—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
-
- 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
- Y02T90/14—Plug-in electric vehicles
Abstract
Ladevorrichtung zum Laden eines elektrischen Energiespeichers, dadurch gekennzeichnet, dass die Ladevorrichtung mindestens eine elektrische Spule, eine Messvorrichtung zum Messen eines durch die mindestens eine Spule fließenden Stroms und eine Schaltvorrichtung zum elektrischen Zu- oder Abschalten der mindestens einen Spule umfasst.Charging device for charging an electrical energy storage device, characterized in that the charging device comprises at least one electrical coil, a measuring device for measuring a current flowing through the at least one coil current and a switching device for electrically connecting or disconnecting the at least one coil.
Description
Stand der TechnikState of the art
Die Erfindung geht aus von einer Ladevorrichtung zum Laden eines elektrischen Energiespeichers.The invention is based on a charging device for charging an electrical energy store.
Aus dem Stand der Technik sind Ladevorrichtungen zum Laden von elektrischen Energiespeichern bekannt.Charging devices for charging electrical energy storage devices are known from the prior art.
So offenbart die
Die
Aus der
Offenbarung der ErfindungDisclosure of the invention
Nachteilig an dem bekannten Stand der Technik ist, dass Ladevorrichtungen zum induktiven Laden von elektrischen Energiespeichern nur eine Spule umfassen, wodurch ein genaues Positionieren der Ladevorrichtungen erforderlich ist oder mehrere Spulen so angeordnet sind, dass nur eine beschränkte Anzahl von Fahrzeugtypen diese Ladevorrichtungen zum induktiven Laden benutzen können.A disadvantage of the known prior art is that charging devices for inductive charging of electrical energy storage devices comprise only one coil, whereby an exact positioning of the charging devices is required or several coils are arranged so that only a limited number of vehicle types use these charging devices for inductive charging can.
Vorteile der ErfindungAdvantages of the invention
Die erfindungsgemäße Vorgehensweise mit den kennzeichnenden Merkmalen der unabhängigen Ansprüche weist demgegenüber den Vorteil auf, dass die Ladevorrichtung zum Laden eines elektrischen Energiespeichers mindestens eine elektrische Spule, eine Messvorrichtung zum Messen eines durch die mindestens eine Spule fließenden Stroms und eine Schaltvorrichtung zum elektrischen Zu- oder Abschalten der mindestens einen Spule umfasst.The procedure according to the invention with the characterizing features of the independent claims has the advantage that the charging device for charging an electrical energy storage at least one electrical coil, a measuring device for measuring a current flowing through the at least one coil current and a switching device for electrical connection or disconnection comprising at least one coil.
Weitere vorteilhafte Ausführungsformen der vorliegenden Erfindung sind Gegenstand der Unteransprüche.Further advantageous embodiments of the present invention are the subject of the dependent claims.
Die Messvorrichtung misst einen in die Spule eingeprägten Strom und/oder eine Spulenspannung und die Schaltvorrichtung schaltet in Abhängigkeit des gemessenen Stroms die mindestens eine Spule elektrisch zu, wodurch vorteilhafterweise nur die Spulen elektrisch zugeschaltet werden bei denen ein Strom eingeprägt wird.The measuring device measures a current injected into the coil and / or a coil voltage and the switching device switches depending on the measured current, the at least one coil electrically, whereby advantageously only the coils are electrically connected in which a current is impressed.
Die Schaltvorrichtung umfasst mindestens einen Halbleiterschalter zum elektrischen Zu- oder Abschalten der mindestens einen Spule, wodurch vorteilhafterweise schnelle Schaltzyklen und/oder eine geringe Verlustleistung erreicht wird.The switching device comprises at least one semiconductor switch for the electrical connection or disconnection of the at least one coil, whereby advantageously fast switching cycles and / or low power loss is achieved.
Die Ladevorrichtung umfasst eine Vielzahl von elektrischen Spulen, die in einer vorteilhaften Struktur, beispielsweise im Wesentlichen in Form einer Matrix, angeordnet sind, wodurch die erfindungsgemäße Vorrichtung für unterschiedliche Geometrien der Ladevorrichtungen geeignet ist, beispielsweise um ein induktives Laden von elektrischen Energiespeichern einer Vielzahl von unterschiedlichen Fahrzeugtypen zu erreichen.The charging device comprises a multiplicity of electrical coils, which are arranged in an advantageous structure, for example substantially in the form of a matrix, whereby the device according to the invention is suitable for different geometries of the charging devices, for example for inductive charging of electrical energy stores of a plurality of different ones To reach vehicle types.
Vorteilhafterweise umfasst die Ladevorrichtung einen Sensor zur Erfassung einer Distanz, wodurch ein elektrisches Zuschalten mindestens einer Spule in Abhängigkeit der erfassten Distanz erfolgt und so eine im Vergleich mit dem Stand der Technik geringere Verlustleistung der Ladevorrichtung erreicht wird. Advantageously, the charging device comprises a sensor for detecting a distance, whereby an electrical connection of at least one coil takes place as a function of the detected distance and thus a lower power loss of the charging device is achieved in comparison with the prior art.
Die Schaltvorrichtung schaltet die mindestens eine Spule elektrisch zu, wenn die durch den Sensor erfasste Distanz einen vorgebbaren Schwellenwert unterschreitet, wodurch beispielsweise ein Fahrer eines Fahrzeugs in Abhängigkeit der Distanz entscheidet, ob ein Ladevorgang durchgeführt werden soll, beispielsweise aufgrund eines hohen Ladezustands des elektrischen Energiespeichers des Fahrzeugs und/oder der entstehenden Kosten. Weiter wird vorteilhafterweise eine geringere Verlustleistung gegenüber dem Stand der Technik erreicht, da nur die Spulen elektrisch zugeschaltet werden, deren Distanz zwischen dem Fahrzeug bzw. der Ladevorrichtung des Fahrzeugs und der Ladevorrichtung, beispielsweise einer Ladestation, unterhalb eines vorgebbaren Schwellenwertes liegt.The switching device electrically switches on the at least one coil when the distance detected by the sensor falls below a predefinable threshold value, whereby, for example, a driver of a vehicle decides depending on the distance whether a charging process should be carried out, for example due to a high state of charge of the electrical energy store of the vehicle Vehicle and / or the costs incurred. Furthermore, a lower power loss is advantageously achieved compared to the prior art, since only the coils are electrically connected, the distance between the vehicle or the charging device of the vehicle and the charging device, such as a charging station, below a predetermined threshold.
Vorteilhafterweise ist der Sensor zur Erfassung einer Distanz ein Ultraschallsensor, eine optoelektronischer Sensor, ein LIDAR-Sensor und/oder ein Radarsensor, wodurch eine hohe Genauigkeit bei der Erfassung der Distanz erreicht wird. Vorteilhafterweise wird ein Sensor verwendet, der bereits für andere Assistenzsysteme genutzt wird, beispielsweise ein Ultraschallsensor zur Unterstützung von Einparkvorgängen und/oder eine stereoskopische Kamera.Advantageously, the sensor for detecting a distance is an ultrasonic sensor, an optoelectronic sensor, a LIDAR sensor and / or a radar sensor, whereby a high accuracy in the detection of the distance is achieved. Advantageously, a sensor is used which is already being used for other assistance systems, for example an ultrasonic sensor for assisting parking processes and / or a stereoscopic camera.
Vorteilhafterweise wird die erfindungsgemäße Ladevorrichtung in einer Ladestation, einer Ladematte, einer Säule, einem Parkplatz, einer Leitplanke und/oder einem Fahrzeug mit mindestens einem elektrischen Energiespeicher verwendet, wodurch größere Flächen im Vergleich zum Stand der Technik für induktive Ladevorgänge nutzbar sind und so die Reichweite von Elektrofahrzeugen erhöht wird.Advantageously, the charging device according to the invention in a charging station, a charging mat, a column, a parking lot, a guardrail and / or a vehicle is used with at least one electrical energy storage, whereby larger areas compared to the prior art for inductive charging processes are available and so the range increased by electric vehicles.
Das erfindungsgemäße Verfahren zum Betreiben einer Anordnung umfassend eine erste Ladevorrichtung mit mindestens einer ersten Spule, mindestens einer ersten Messvorrichtung und mindestens einer ersten Schaltvorrichtung, sowie einer zweiten Ladevorrichtung mit mindestens einer zweiten Spule, einer zweiten Schaltvorrichtung und einem Sensor, weist folgende Schritte auf:
- – Erfassen einer Distanz mittels des Sensors;
- – Elektrisches Zuschalten der zweiten Spule bei Unterschreitung des vorgebbaren Schwellenwerts der erfassten Distanz;
- – Messen eines in die erste Spule durch das elektrische Zuschalten der zweiten Spule eingeprägten Stromes mittels der ersten Messvorrichtung; und
- – Elektrisches Zuschalten der ersten Spule mittels der ersten Schaltvorrichtung in Abhängigkeit des gemessenen Stromes zum Laden des elektrischen Energiespeichers.
- - Detecting a distance by means of the sensor;
- - Electrical connection of the second coil when falling below the predetermined threshold of the detected distance;
- - Measuring a impressed in the first coil by the electrical connection of the second coil current by means of the first measuring device; and
- - Electrical connection of the first coil by means of the first switching device as a function of the measured current for charging the electrical energy storage.
Vorteilhafterweise wird eine Datenübertragung zwischen der ersten Ladevorrichtung und der zweiten Ladevorrichtung mittels Modulation des durch die erste Spule und/oder des durch die zweite Spule fließenden Stromes durchgeführt.Advantageously, a data transmission between the first charging device and the second charging device is carried out by means of modulation of the current flowing through the first coil and / or through the second coil.
Kurzbeschreibung der FigurenBrief description of the figures
Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert.Embodiments of the invention are illustrated in the drawings and explained in more detail in the following description.
Es zeigt:It shows:
Detaillierte Beschreibung der AusführungsbeispieleDetailed description of the embodiments
Gleiche Bezugszeichen bezeichnen in allen Figuren gleiche Vorrichtungskomponenten.The same reference numerals denote the same device components in all figures.
In
Eine Ladestation S umfasst die Ladevorrichtung
In Schritt S1 wird das Verfahren gestartet, beispielsweise wenn ein Fahrzeug F mit der erfindungsgemäßen Ladevorrichtung
In Schritt S2 wird mittels eines Sensors D eine Distanz zwischen der Ladevorrichtung
In Schritt S3 wird beispielsweise mittels der Schaltvorrichtung Sv_F geprüft, ob die erfasste Distanz zwischen dem Fahrzeug F und dem Objekt, beispielsweise der Ladevorrichtung
Unterschreitet die erfasste Distanz den Schwellenwert, wird in Schritt S4 mindestens eine elektrische Spule C1-1_F, Cm-n_F des Fahrzeugs F mittels der Schaltvorrichtung Sv_F der Ladevorrichtung
In Schritt S5 wird geprüft, ob ein Stromfluss in mindestens einer elektrischen Spule C1-1_S, C2-3_S, Cm-n_S der Ladevorrichtung
Überschreitet der gemessene Strom in der mindestens einen elektrischen Spule C1-1_S, C2-3_S, Cm-n_S der Ladestation S den vorgebbaren Schwellenwert, wird in S6 die mindestens eine elektrische Spule C1-1_S, C2-3_S, Cm-n_S der Ladestation zum Starten eines Ladevorgangs des elektrischen Energiespeichers E_F elektrisch zugeschaltet. Weiter können in Schritt S6 Daten mittels Modulation des durch die elektrischen Spulen C1-1_S, C2-3_S, Cm-n_S der Ladestation S fließenden Stroms übertragen werden, beispielsweise Informationen zu der Ladestation S, zu einer erwarteten Ladedauer und/oder zu anfallenden Kosten und Abrechnungsmöglichkeiten des Ladevorgangs.Exceeds the measured current in the at least one electrical coil C1-1_S, C2-3_S, Cm-n_S the charging station S the predetermined threshold, in S6, the at least one electrical coil C1-1_S, C2-3_S, Cm-n_S the charging station to Starting a charging of the electrical energy storage E_F electrically switched on. Furthermore, in step S6, data may be transmitted by means of modulation of the current flowing through the electric coils C1-1_S, C2-3_S, Cm_n_S of the charging station S, for example information about the charging station S, at an expected charging duration and / or cost and Billing options of the charging process.
In Schritt S7 wird beispielsweise in Abhängigkeit eines Fahrzeugstillstands das Verfahren in Schritt S8 beendet oder in Schritt S4 das Verfahren mit Messung eines Stromflusses durch die mindestens eine elektrische Spule C1-1_S, C2-3_S, Cm-n_S der Ladevorrichtung
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 102012216660 A1 [0003] DE 102012216660 A1 [0003]
- DE 102012216417 A1 [0004] DE 102012216417 A1 [0004]
- DE 102009013694 A1 [0005] DE 102009013694 A1 [0005]
Claims (11)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014226348.4A DE102014226348A1 (en) | 2014-12-18 | 2014-12-18 | Charging device for charging an electrical energy store |
CN201510947753.8A CN105720629A (en) | 2014-12-18 | 2015-12-17 | Charging device for charging electric energy storage device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014226348.4A DE102014226348A1 (en) | 2014-12-18 | 2014-12-18 | Charging device for charging an electrical energy store |
Publications (1)
Publication Number | Publication Date |
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DE102014226348A1 true DE102014226348A1 (en) | 2016-06-23 |
Family
ID=56097684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE102014226348.4A Withdrawn DE102014226348A1 (en) | 2014-12-18 | 2014-12-18 | Charging device for charging an electrical energy store |
Country Status (2)
Country | Link |
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CN (1) | CN105720629A (en) |
DE (1) | DE102014226348A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107171454A (en) * | 2017-06-30 | 2017-09-15 | 努比亚技术有限公司 | A kind of wireless charging electrolemma and terminal |
EP3780321A4 (en) * | 2018-07-31 | 2021-06-09 | Huawei Technologies Co., Ltd. | Wireless charging device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018228274A1 (en) * | 2017-06-16 | 2018-12-20 | 里程 | Wireless charger, charging device, charging method therefor, and mobile terminal |
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- 2014-12-18 DE DE102014226348.4A patent/DE102014226348A1/en not_active Withdrawn
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Cited By (4)
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CN107171454A (en) * | 2017-06-30 | 2017-09-15 | 努比亚技术有限公司 | A kind of wireless charging electrolemma and terminal |
CN107171454B (en) * | 2017-06-30 | 2020-03-13 | 努比亚技术有限公司 | Wireless charging film and terminal |
EP3780321A4 (en) * | 2018-07-31 | 2021-06-09 | Huawei Technologies Co., Ltd. | Wireless charging device |
US11870274B2 (en) | 2018-07-31 | 2024-01-09 | Huawei Technologies Co., Ltd. | Wireless charging device |
Also Published As
Publication number | Publication date |
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CN105720629A (en) | 2016-06-29 |
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