WO2020052972A1 - Charging device for an electrically drivable vehicle, vehicle electrical system, and vehicle - Google Patents

Charging device for an electrically drivable vehicle, vehicle electrical system, and vehicle Download PDF

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Publication number
WO2020052972A1
WO2020052972A1 PCT/EP2019/072853 EP2019072853W WO2020052972A1 WO 2020052972 A1 WO2020052972 A1 WO 2020052972A1 EP 2019072853 W EP2019072853 W EP 2019072853W WO 2020052972 A1 WO2020052972 A1 WO 2020052972A1
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WO
WIPO (PCT)
Prior art keywords
charging
vehicle
traction battery
charger
socket
Prior art date
Application number
PCT/EP2019/072853
Other languages
German (de)
French (fr)
Inventor
Andreas Neubauer
Original Assignee
Bayerische Motoren Werke Aktiengesellschaft
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 Bayerische Motoren Werke Aktiengesellschaft filed Critical Bayerische Motoren Werke Aktiengesellschaft
Publication of WO2020052972A1 publication Critical patent/WO2020052972A1/en

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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
    • B60L53/20—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 converters located in the vehicle
    • B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J43/00—Arrangements of batteries
    • B62J43/10—Arrangements of batteries for propulsion
    • B62J43/16—Arrangements of batteries for propulsion on motorcycles or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
    • 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
    • B60L2200/00—Type of vehicles
    • B60L2200/12—Bikes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2204/00—Adaptations for driving cycles by electric motor
    • 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

Definitions

  • Charging device for an electrically drivable vehicle, vehicle electrical system and vehicle
  • the invention relates to a charging device for an electrically drivable vehicle, in particular for a motorcycle, for providing a charging process
  • Traction battery of the electrically drivable vehicle with a charging socket which can be connected to a charging plug of a charging station external to the vehicle, and with a charger having a charging circuit which is electrically connected to the charging socket and can be electrically connected to the traction battery for controlling a charging process .
  • the invention also relates to an electrical system and a vehicle.
  • Electrically drivable vehicles for example electric or hybrid vehicles, usually have an electric drive machine and a rechargeable traction battery for supplying the drive machine with electrical energy.
  • Charging energy for charging the traction battery can be provided, for example, by charging stations external to the vehicle, for example charging stations or charging stations, the charging energy being transmitted in a wired or conductive manner via a plug connection between the vehicle and the charging station external to the vehicle.
  • the vehicle usually has a charging device with a standardized charging socket, to which a standardized charging plug of the charging station can be plugged.
  • the charging socket is connected to a charger for energy transmission via high-voltage cable and for communication signal transmission via low-voltage cable, which is electrically connected to the traction battery and has a charging circuit or charge control for controlling the charging process of the traction battery.
  • the charger has special connectors for electrically connecting the cable harness comprising the high-voltage cables and the low-voltage cables to the charger.
  • the charging device has high costs and a high space requirement in the vehicle. It is the object of the present invention to provide a space-optimized and inexpensive charging device for an electrically drivable vehicle, in particular a motorcycle.
  • a charging device for an electrically drivable vehicle, in particular for a motorcycle, is used to provide a charging process for a traction battery of the electrically drivable vehicle.
  • the charging device has a charging socket which can be electrically connected to form a plug connection with a charging plug of a charging station external to the vehicle.
  • the charging device has a charger with a charging circuit which is electrically connected to the charging socket and can be electrically connected to the traction battery for controlling the charging process.
  • the charging socket is also integrated into the charger.
  • the charging socket is arranged in a housing wall of a housing of the charger receiving the charging circuit.
  • the invention also relates to an electrical system for an electrically drivable vehicle having a traction battery and a charging device according to the invention, the charging circuit of the charging device being electrically connected to the traction battery.
  • the vehicle electrical system also has an electric drive machine, which is connected to the traction battery via a converter and can be supplied with electrical energy from the traction battery.
  • the traction battery can be driven electrically by the charging device
  • Vehicle charging energy are supplied to the charging station external to the vehicle.
  • the charging device is electrically connected to the traction battery and can be electrically connected to a charging station which is connected to a corresponding one
  • the charging station can be, for example, a charging station or charging station, which has a charging cable with a standardized one, which is suitable for the charging socket and thus the charging standard of the charging device
  • the charging plug can be, for example, a type 1 plug or a type 2 plug of a charging station that provides an AC charging process.
  • the charging plug can also be a CCS plug, which supports both an AC charging process (with alternating current) or a DC charging process (with direct current).
  • the charging plug can also be any other charging plug, for example a CHAdeMO plug or a type GB plug.
  • the charging socket forms one with the respective charging plug
  • the charging socket has, for example, electrical contact elements and a plug housing for embedding the contact elements and for providing protection against contact for the contact elements.
  • the charging device also has the charger or the charging control device.
  • the charger has the housing and the charging circuit.
  • the charging circuit is arranged in a housing interior delimited by the housing walls of the housing.
  • the charging circuit or charging control serves to control the charging process. Under the control of the loading process is an influence of the
  • the charger can be designed for AC charging.
  • the charging circuit has a rectifier which is designed to convert an AC voltage or an AC current provided by the charging station external to the vehicle into a DC voltage or a
  • the charging circuit can have a DC converter with electrical isolation.
  • DC voltage converters or DC / DC housing converters can, for example, be connected downstream of the rectifier and the one provided by the rectifier
  • the DC-DC converter can also achieve the, in particular prescribed, galvanic isolation between the traction battery and the charging station.
  • the charger is thus designed as an on-board charger, by means of which the DC-powered traction battery can also be charged from the AC network.
  • the charger can be designed for DC charging.
  • the charging circuit can have at least one contactor for de-energizing
  • the charging circuit is thus designed as a protective device for providing the required high-voltage safety.
  • the charging socket is integrated in the charger.
  • the charger and the charging socket are connected to one another without using a wiring harness and a plug connection.
  • the housing wall can have, for example, a feedthrough for the charging socket, so that a contact area with the contact elements of the charging socket is accessible outside the housing in order to form the plug connection with the charging plug.
  • the contact elements are guided into the interior of the housing, where they are electrically connected to the charging circuit.
  • the charging device By integrating the charging socket into the charger, the charging device is designed as a structural unit or as a one-piece component. Thus, there is no need for a cable harness between the charger and the charging socket, which has a
  • Charger also arranged a high-voltage connection, which with the
  • Charging circuit is electrically connected and which with high-voltage lines
  • Traction battery is electrically connectable.
  • the high-voltage connection can also be a plug connector which can be electrically connected to a plug of the high-voltage line of the traction battery and is electrically connected to the charging circuit.
  • Charger can be passed on to the traction battery.
  • a vehicle according to the invention comprises an electrical system according to the invention.
  • the vehicle is designed in particular as an electrically drivable motorcycle. Since most of the components of a motorcycle, such as the charger, are arranged in any case close to an outer lining of the motorcycle, it has proven advantageous to integrate the charging socket into the charger.
  • a loading flap can be arranged in the outer cladding, which can be opened to connect the charging plug to the charging socket. In this way, costs and installation space can be saved, since the wiring harness and a connector can be dispensed with.
  • the vehicle can also be designed as an electrically drivable passenger car. In this case it can Charger can be arranged directly on or behind a paneling of the motor vehicle, the charging socket being accessible, for example, via a loading flap in the paneling of the motor vehicle.
  • Embodiments and their advantages apply accordingly to the vehicle electrical system according to the invention and to the vehicle according to the invention.
  • FIG. 1 shows a schematic illustration of an electrically drivable vehicle according to the prior art, which is coupled to a charging station external to the vehicle;
  • Fig. 2 is a schematic representation of an embodiment of a
  • Vehicle according to the invention which is coupled to a charging station external to the vehicle.
  • Vehicle electrical system 2 has an electrical machine EM, which is electrically connected to the traction battery 3 via drive electronics AE.
  • the electric machine EM is used to drive the vehicle 1 '.
  • Vehicle electrical system 2 ' has a charging device 4', which is coupled to the traction battery 3 and to a charging station 5 external to the vehicle and providing charging energy for the traction battery 3.
  • the charging device 4 ' comprises a charging socket 6' which can be electrically coupled to a charging plug 7 and a charging cable set 8 of the charging station 5.
  • the charging socket 6 'and the charging plug 7 form a plug connection.
  • the charging socket 6 ' is electrically connected to a charging circuit 12' of a charger 13 'of the charging device 4 via a cable harness 9, which has, for example, high-voltage cable 10 for transmitting the charging energy and low-voltage cable 11 for transmitting communication signals.
  • the charger 13 ' has a plug connector 14, which is coupled to the wiring harness 9 of the vehicle electrical system 2' and to the charging circuit 12 '.
  • the connector 14 can consist, for example, of an HV socket on the charger 13 ′ and a cable harness plug on the side of the cable harness 9.
  • the charger 13 'can also have a high-voltage connection 15 for connecting to high-voltage lines 16 of the traction battery 13.
  • the vehicle 2 shows a vehicle 1 according to an embodiment of the present invention.
  • the vehicle 1 is designed in particular as a motorcycle and has an electrical system 2.
  • the vehicle electrical system 2 comprises the traction battery 3 and a charging device 4 according to the invention.
  • the charging device 4 differs from the charging device 4 'according to FIG. 1 in that the charging socket 6 is integrated in the charger 13.
  • the charger 13 has a housing 17 in which the charging circuit 12 is arranged and in the housing wall 18 the charging socket 6 is arranged or integrated.
  • the charging socket 6 is thus without the interposition of the wiring harness 9 and the
  • Connector 14 electrically connected to the charging circuit 12.
  • the charging circuit 12 is designed to control a charging process of the traction battery 3.
  • the charging circuit 12 can have a rectifier and thus an AC voltage provided by the charging station 5 or one
  • the charging circuit 12 can also have contactors and thus electrical isolation between the charging station 5 and the traction battery 3
  • the high-voltage connection 15 can also be integrated into the housing wall 18 for connection to the high-voltage lines 16 of the traction battery 13. As an alternative to this, the high-voltage lines 16 can also be removed from the housing 17 without the interposition of one
  • the Charging device 4 according to the invention with the charger 13 and the charging socket 6 is therefore a one-piece component which can be arranged as a whole or in one piece in or on the vehicle 1.
  • the connector 14 and the cable harness 9 can be dispensed with. This can save costs and installation space.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention relates to a charging device (4) for an electrically driveable vehicle (1), particularly for a motorcycle, for providing a charging process of a traction battery (3) of the electrically driveable vehicle (1), comprising a charging socket (6) which can be electrically connected to a charging plug (7) of a charging station (5) external to the vehicle, forming a plug-in connection, and comprising a charging appliance (13) comprising a charging circuit (12) which is electrically connected to the charging socket and can be electrically connected to the traction battery (3) in order to control the charging process, wherein the charging socket (6) is built into the charging appliance (13) and the charging socket (6) is arranged in a housing wall (18) of a housing (17) of the charging appliance (13), which receives the charging circuit (12). The invention also relates to a vehicle electrical system (2) and to a vehicle (1).

Description

Ladevorrichtung für ein elektrisch antreibbares Fahrzeug, Bordnetz sowie Fahrzeug  Charging device for an electrically drivable vehicle, vehicle electrical system and vehicle
Die Erfindung betrifft eine Ladevorrichtung für ein elektrisch antreibbares Fahrzeug, insbesondere für ein Motorrad, zum Bereitstellen eines Ladevorgangs einer The invention relates to a charging device for an electrically drivable vehicle, in particular for a motorcycle, for providing a charging process
Traktionsbatterie des elektrisch antreibbaren Fahrzeugs, mit einer Ladedose, welche unter Ausbildung einer Steckverbindung mit einem Ladestecker einer fahrzeugexternen Ladestation verbindbar ist, und mit einem Ladegerät aufweisend eine Ladeschaltung, welche mit der Ladedose elektrisch verbunden ist und zum Steuern eines Ladevorgangs mit der Traktionsbatterie elektrisch verbindbar ist. Die Erfindung betrifft außerdem ein Bordnetz sowie ein Fahrzeug. Traction battery of the electrically drivable vehicle, with a charging socket which can be connected to a charging plug of a charging station external to the vehicle, and with a charger having a charging circuit which is electrically connected to the charging socket and can be electrically connected to the traction battery for controlling a charging process . The invention also relates to an electrical system and a vehicle.
Elektrisch antreibbare Fahrzeuge, beispielsweise Elektro- oder Hybridfahrzeuge, weisen üblicherweise eine elektrische Antriebsmaschine sowie eine aufladbare Traktionsbatterie zum Versorgen der Antriebsmaschine mit elektrischer Energie auf. Eine Ladeenergie zum Aufladen der Traktionsbatterie kann beispielsweise von fahrzeugexternen Ladestationen, beispielsweise Ladesäulen bzw. Stromtankstellen, bereitgestellt werden, wobei die Ladeenergie leitungsgebunden bzw. konduktiv über eine Steckverbindung zwischen dem Fahrzeug und der fahrzeugexternen Ladestation übertragen wird. Dazu weist das Fahrzeug üblicherweise eine Ladevorrichtung mit einer genormten Ladedose auf, an welcher ein genormter Ladestecker der Ladestation ansteckbar ist. Die Ladedose ist zur Energieübertragung über Hochvoltkabel und zur Kommunikationssignalübertragung über Niedervoltkabel mit einem Ladegerät verbunden, welches mit der Traktionsbatterie elektrisch verbunden ist und eine Ladeschaltung bzw. Ladesteuerung zum Steuern des Ladevorgangs der Traktionsbatterie aufweist. Zum elektrischen Verbinden des die Hochvoltkabel und die Niedervoltkabel aufweisenden Kabelbaums mit dem Ladegerät weist das Ladegerät spezielle Steckverbinder auf. Durch die Verwendung des Electrically drivable vehicles, for example electric or hybrid vehicles, usually have an electric drive machine and a rechargeable traction battery for supplying the drive machine with electrical energy. Charging energy for charging the traction battery can be provided, for example, by charging stations external to the vehicle, for example charging stations or charging stations, the charging energy being transmitted in a wired or conductive manner via a plug connection between the vehicle and the charging station external to the vehicle. For this purpose, the vehicle usually has a charging device with a standardized charging socket, to which a standardized charging plug of the charging station can be plugged. The charging socket is connected to a charger for energy transmission via high-voltage cable and for communication signal transmission via low-voltage cable, which is electrically connected to the traction battery and has a charging circuit or charge control for controlling the charging process of the traction battery. The charger has special connectors for electrically connecting the cable harness comprising the high-voltage cables and the low-voltage cables to the charger. By using the
Kabelbaums sowie der speziellen Steckverbinder weist die Ladevorrichtung hohe Kosten sowie einen hohen Bauraumbedarf im Fahrzeug auf. Es ist Aufgabe der vorliegenden Erfindung, eine bauraumoptimierte und kostengünstige Ladevorrichtung für ein elektrisch antreibbares Fahrzeug, insbesondere ein Motorrad, bereitzustellen. Wiring harness and the special connector, the charging device has high costs and a high space requirement in the vehicle. It is the object of the present invention to provide a space-optimized and inexpensive charging device for an electrically drivable vehicle, in particular a motorcycle.
Diese Aufgabe wird erfindungsgemäß durch eine Ladevorrichtung, ein Bordnetz sowie ein Fahrzeug mit den Merkmalen gemäß den jeweiligen unabhängigen Patentansprüchen gelöst. Vorteilhafte Ausführungen der Erfindung sind Gegenstand der abhängigen Patentansprüche, der Beschreibung sowie der Figuren. According to the invention, this object is achieved by a charging device, an on-board electrical system and a vehicle with the features according to the respective independent patent claims. Advantageous embodiments of the invention are the subject of the dependent claims, the description and the figures.
Eine erfindungsgemäße Ladevorrichtung für ein elektrisch antreibbares Fahrzeug, insbesondere für ein Motorrad, dient zum Bereitstellen eines Ladevorgangs einer Traktionsbatterie des elektrisch antreibbaren Fahrzeugs. Die Ladevorrichtung weist eine Ladedose auf, welche unter Ausbildung einer Steckverbindung mit einem Ladestecker einer fahrzeugexternen Ladestation elektrisch verbindbar ist. Außerdem weist die Ladevorrichtung ein Ladegerät mit einer Ladeschaltung auf, welche mit der Ladedose elektrisch verbunden ist und zum Steuern des Ladevorgangs mit der Traktionsbatterie elektrisch verbindbar ist. Darüber hinaus ist die Ladedose in das Ladegerät integriert. Dazu ist die Ladedose in einer Gehäusewand eines die Ladeschaltung aufnehmenden Gehäuses des Ladegeräts angeordnet. A charging device according to the invention for an electrically drivable vehicle, in particular for a motorcycle, is used to provide a charging process for a traction battery of the electrically drivable vehicle. The charging device has a charging socket which can be electrically connected to form a plug connection with a charging plug of a charging station external to the vehicle. In addition, the charging device has a charger with a charging circuit which is electrically connected to the charging socket and can be electrically connected to the traction battery for controlling the charging process. The charging socket is also integrated into the charger. For this purpose, the charging socket is arranged in a housing wall of a housing of the charger receiving the charging circuit.
Die Erfindung betrifft außerdem ein Bordnetz für ein elektrisch antreibbares Fahrzeug aufweisend einer Traktionsbatterie und eine erfindungsgemäße Ladevorrichtung, wobei die Ladeschaltung der Ladevorrichtung elektrisch mit der Traktionsbatterie verbunden ist. Das Bordnetz weist außerdem eine elektrische Antriebsmaschine auf, welche über einen Umrichter mit der Traktionsbatterie verbunden ist und aus der Traktionsbatterie mit elektrischer Energie versorgt werden kann. The invention also relates to an electrical system for an electrically drivable vehicle having a traction battery and a charging device according to the invention, the charging circuit of the charging device being electrically connected to the traction battery. The vehicle electrical system also has an electric drive machine, which is connected to the traction battery via a converter and can be supplied with electrical energy from the traction battery.
Über die Ladevorrichtung kann der Traktionsbatterie des elektrisch antreibbaren The traction battery can be driven electrically by the charging device
Fahrzeugs Ladeenergie der fahrzeugexternen Ladestation zugeführt werden. Dazu ist die Ladevorrichtung mit der Traktionsbatterie elektrisch verbunden und kann mit einer Ladestation elektrisch verbunden werden, welche mit einem entsprechenden Vehicle charging energy are supplied to the charging station external to the vehicle. For this purpose, the charging device is electrically connected to the traction battery and can be electrically connected to a charging station which is connected to a corresponding one
Ladestandard der Ladevorrichtung kompatibel ist. Die Ladestation kann beispielsweise eine Stromtankstelle bzw. Ladesäule sein, welche ein Ladekabel mit einem genormten, für die Ladedose und damit den Ladestandard der Ladevorrichtung geeigneten Charging standard of the charging device is compatible. The charging station can be, for example, a charging station or charging station, which has a charging cable with a standardized one, which is suitable for the charging socket and thus the charging standard of the charging device
Ladestecker aufweist. Der Ladestecker kann beispielsweise ein Typ-1 -Stecker oder ein Typ-2-Stecker einer einen AC-Ladevorgang bereitstellenden Ladestation sein. Der Ladestecker kann aber auch ein CCS-Stecker sein, welcher sowohl einen AC-Ladevorgang (mit Wechselstrom) oder einen DC-Ladevorgang (mit Gleichstrom) unterstützt. Auch kann der Ladestecker ein beliebiger anderer Ladestecker, beispielsweise ein CHAdeMO-Stecker oder ein Typ GB-Stecker sein. Die Ladedose bildet eine mit dem jeweiligen Ladestecker Has charging plug. The charging plug can be, for example, a type 1 plug or a type 2 plug of a charging station that provides an AC charging process. The charging plug can also be a CCS plug, which supports both an AC charging process (with alternating current) or a DC charging process (with direct current). The charging plug can also be any other charging plug, for example a CHAdeMO plug or a type GB plug. The charging socket forms one with the respective charging plug
korrespondierende Ladebuchse aus, in welche der Ladestecker der Ladestation einsteckbar ist. Dazu weist die Ladedose beispielsweise elektrische Kontaktelemente und ein Steckergehäuse zum Einbetten der Kontaktelemente und zum Bereitstellen eines Berührschutzes für die Kontaktelemente auf. corresponding charging socket into which the charging plug of the charging station can be inserted. For this purpose, the charging socket has, for example, electrical contact elements and a plug housing for embedding the contact elements and for providing protection against contact for the contact elements.
Die Ladevorrichtung weist außerdem das Ladegerät bzw. das Ladesteuergerät auf. Das Ladegerät weist das Gehäuse sowie die Ladeschaltung auf. Die Ladeschaltung ist dabei in einem durch die Gehäusewände des Gehäuses begrenzten Gehäuseinnenraum angeordnet. Die Ladeschaltung bzw. Ladesteuerung dient dazu, den Ladevorgang zu steuern. Unter der Steuerung des Ladevorgangs ist hier eine Einflussnahme der The charging device also has the charger or the charging control device. The charger has the housing and the charging circuit. The charging circuit is arranged in a housing interior delimited by the housing walls of the housing. The charging circuit or charging control serves to control the charging process. Under the control of the loading process is an influence of the
Ladeschaltung auf die von der Ladestation bereitgestellte Ladeenergie zu verstehen. Charging circuit to understand the charging energy provided by the charging station.
Beispielsweise kann das Ladegerät zum AC-Laden ausgelegt sein. Dazu kann beispielsweise vorgesehen sein, dass die Ladeschaltung einen Gleichrichter aufweist, welcher dazu ausgelegt ist, eine von der fahrzeugexternen Ladestation bereitgestellte Wechselspannung bzw. einen Wechselstrom in eine Gleichspannung bzw. einen For example, the charger can be designed for AC charging. For this purpose, it can be provided, for example, that the charging circuit has a rectifier which is designed to convert an AC voltage or an AC current provided by the charging station external to the vehicle into a DC voltage or a
Gleichstrom für die Traktionsbatterie umzuwandeln. Zusätzlich kann die Ladeschaltung einen Gleichspannungswandler mit galvanischer Trennung aufweisen. Der Convert DC power to the traction battery. In addition, the charging circuit can have a DC converter with electrical isolation. The
Gleichspannungswandler bzw. DC/DC-Gehäusewandler kann beispielsweise dem Gleichrichter nachgeschaltet sein und die von dem Gleichrichter bereitgestellte DC voltage converters or DC / DC housing converters can, for example, be connected downstream of the rectifier and the one provided by the rectifier
Gleichspannung in eine für die Traktionsbatterie geeignete Ladespannung umwandeln. Durch den Gleichspannungswandler kann außerdem die, insbesondere vorgeschriebene, galvanische Trennung zwischen der Traktionsbatterie und der Ladestation erreicht werden. Das Ladegerät ist somit als ein On-Board-Lader ausgebildet, mittels welchem die gleichstrombertriebene Traktionsbatterie auch aus dem Wechselstromnetz geladen werden kann. Convert DC voltage into a charging voltage suitable for the traction battery. The DC-DC converter can also achieve the, in particular prescribed, galvanic isolation between the traction battery and the charging station. The charger is thus designed as an on-board charger, by means of which the DC-powered traction battery can also be charged from the AC network.
Alternativ oder zusätzlich kann das Ladegerät zum DC-Laden ausgebildet sein. Dazu kann die Ladeschaltung zumindest ein Schaltschütz zum stromlos Schalten von Alternatively or additionally, the charger can be designed for DC charging. For this purpose, the charging circuit can have at least one contactor for de-energizing
Kontaktelementen der Ladedose und zum Bereitstellen einer galvanischen Trennung zwischen der Ladedose und der Traktionsbatterie aufweisen. Im Falle, dass das Ladegerät nur zum DC-Laden ausgebildet ist, ist die Ladeschaltung somit als eine Schutzvorrichtung zum Bereitstellen der geforderten Hochvoltsicherheit ausgebildet. Have contact elements of the charging socket and for providing a galvanic separation between the charging socket and the traction battery. In the event that Charger is designed only for DC charging, the charging circuit is thus designed as a protective device for providing the required high-voltage safety.
Die Ladedose ist dabei in das Ladegerät integriert. Dadurch sind das Ladegerät und die Ladedose ohne Verwendung eines Kabelbaums und einer Steckverbindung miteinander verbunden. Die Gehäusewand kann beispielsweise eine Durchführung für die Ladedose aufweisen, sodass ein Kontaktbereich mit den Kontaktelementen der Ladedose zum Ausbilden der Steckverbindung mit dem Ladestecker außerhalb des Gehäuses zugänglich ist. Die Kontaktelemente sind in den Gehäuseinnenraum geführt, wo sie mit der Ladeschaltung elektrisch verbunden sind. The charging socket is integrated in the charger. As a result, the charger and the charging socket are connected to one another without using a wiring harness and a plug connection. The housing wall can have, for example, a feedthrough for the charging socket, so that a contact area with the contact elements of the charging socket is accessible outside the housing in order to form the plug connection with the charging plug. The contact elements are guided into the interior of the housing, where they are electrically connected to the charging circuit.
Durch die Integration der Ladedose in das Ladegerät ist die Ladevorrichtung als eine bauliche Einheit bzw. als eine einstückige Komponente ausgebildet. Somit müssen kein Kabelbaum zwischen dem Ladegerät und der Ladedose, welcher einen hohen By integrating the charging socket into the charger, the charging device is designed as a structural unit or as a one-piece component. Thus, there is no need for a cable harness between the charger and the charging socket, which has a
Platzbedarf aufweist, sowie kein teurer Steckverbinder an dem Ladegerät, an welchen der Kabelbaum ansteckbar ist, vorgesehen sein. Has space requirements, and no expensive connector on the charger, to which the cable harness can be plugged in, are provided.
In einer Weiterbildung der Erfindung ist in der Gehäusewand des Gehäuses des In a development of the invention is in the housing wall of the housing
Ladegeräts außerdem ein Hochvolt-Anschluss angeordnet, welcher mit der Charger also arranged a high-voltage connection, which with the
Ladeschaltung elektrisch verbunden ist und welcher mit Hochvoltleitungen der Charging circuit is electrically connected and which with high-voltage lines
Traktionsbatterie elektrisch verbindbar ist. Der Hochvolt-Anschluss kann ebenfalls ein Steckverbinder sein, welcher mit einem Stecker der Hochvoltleitung der Traktionsbatterie elektrisch verbindbar ist sowie mit der Ladeschaltung elektrisch verbunden ist. Im angeschlossenen Zustand der Hochvoltleitungen sowie im angesteckten Zustand des Ladesteckers an der Ladedose kann Ladeenergie von der Ladestation über das Traction battery is electrically connectable. The high-voltage connection can also be a plug connector which can be electrically connected to a plug of the high-voltage line of the traction battery and is electrically connected to the charging circuit. When the high-voltage cables are connected and when the charging plug is connected to the charging socket, charging energy can be transferred from the charging station via the
Ladegerät an die Traktionsbatterie weitergegeben werden. Charger can be passed on to the traction battery.
Ein erfindungsgemäßes Fahrzeug umfasst ein erfindungsgemäßes Bordnetz. Das Fahrzeug ist insbesondere als ein elektrisch antreibbares Motorrad ausgebildet. Da bei einem Motorrad die meisten Komponenten, wie beispielsweise das Ladegerät, ohnehin nah an einer Außenverkleidung des Motorrads angeordnet sind, erweist es sich als vorteilhaft, die Ladedose in das Ladegerät zu integrieren. Zum Zugänglichmachen der Ladedose kann beispielsweise eine Ladeklappe in der Außenverkleidung angeordnet sein, welche zum Anstecken des Ladesteckers an die Ladedose aufgeklappt werden kann. So können Kosten und Bauraum gespart werden, da auf den Kabelbaum sowie einen Steckverbinder verzichtet werden kann. Das Fahrzeug kann aber auch als ein elektrisch antreibbarer Personenkraftwagen ausgebildet sein. In diesem Fall kann das Ladegerät unmittelbar an bzw. hinter einer Verkleidung des Kraftfahrzeugs angeordnet sein, wobei die Ladedose beispielsweise über eine Ladeklappe in der Verkleidung des Kraftfahrzeugs zugänglich ist. A vehicle according to the invention comprises an electrical system according to the invention. The vehicle is designed in particular as an electrically drivable motorcycle. Since most of the components of a motorcycle, such as the charger, are arranged in any case close to an outer lining of the motorcycle, it has proven advantageous to integrate the charging socket into the charger. To make the charging socket accessible, for example, a loading flap can be arranged in the outer cladding, which can be opened to connect the charging plug to the charging socket. In this way, costs and installation space can be saved, since the wiring harness and a connector can be dispensed with. However, the vehicle can also be designed as an electrically drivable passenger car. In this case it can Charger can be arranged directly on or behind a paneling of the motor vehicle, the charging socket being accessible, for example, via a loading flap in the paneling of the motor vehicle.
Die mit Bezug auf die erfindungsgemäße Ladevorrichtung vorgestellten The presented with reference to the loading device according to the invention
Ausführungsformen und deren Vorteile gelten entsprechend für das erfindungsgemäße Bordnetz sowie für das erfindungsgemäße Fahrzeug. Embodiments and their advantages apply accordingly to the vehicle electrical system according to the invention and to the vehicle according to the invention.
Weitere Merkmale der Erfindung ergeben sich aus den Ansprüchen, der Figuren und der Figurenbeschreibung. Die vorstehend in der Beschreibung genannten Merkmale und Merkmalskombinationen sowie die nachfolgend in der Figurenbeschreibung genannten und/oder in den Figuren alleine gezeigten Merkmale und Merkmalskombinationen sind nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Further features of the invention result from the claims, the figures and the description of the figures. The features and combinations of features mentioned above in the description and the features and combinations of features mentioned below in the description of the figures and / or shown alone in the figures are not only in the respectively specified combination but also in others
Kombinationen oder in Alleinstellung verwendbar. Combinations or usable on their own.
Die Erfindung wird nun anhand eines bevorzugten Ausführungsbeispiels sowie unter Bezugnahme auf die Zeichnungen näher erläutert. The invention will now be explained in more detail using a preferred exemplary embodiment and with reference to the drawings.
Es zeigen: Show it:
Fig. 1 eine schematische Darstellung eines elektrisch antreibbaren Fahrzeugs gemäß dem Stand der Technik, welches mit einer fahrzeugexternen Ladestation gekoppelt ist; und 1 shows a schematic illustration of an electrically drivable vehicle according to the prior art, which is coupled to a charging station external to the vehicle; and
Fig. 2 eine schematische Darstellung einer Ausführungsform eines Fig. 2 is a schematic representation of an embodiment of a
erfindungsgemäßen Fahrzeugs, welches mit einer fahrzeugexternen Ladestation gekoppelt ist.  Vehicle according to the invention, which is coupled to a charging station external to the vehicle.
In den Figuren sind gleiche sowie funktionsgleiche Elemente mit den gleichen In the figures, the same and functionally identical elements are the same
Bezugszeichen versehen. Provide reference numerals.
Fig. 1 zeigt ein elektrisch antreibbares Fahrzeug 1‘ gemäß dem Stand der Technik, welches ein Bordnetz 2‘ mit einer Traktionsbatterie 3 zum Antreiben des Fahrzeugs T aufweist. Das Bordnetz 2‘ weist außerdem eine elektrische Maschine EM auf, welche über eine Antriebselektronik AE elektrisch mit der Traktionsbatterie 3 verbunden ist. Die elektrische Maschine EM dient zum Antreiben des Fahrzeugs 1‘. Außerdem weist das Bordnetz 2‘ eine Ladevorrichtung 4‘ auf, welche mit der Traktionsbatterie 3 sowie mit einer fahrzeugexternen, eine Ladeenergie für die Traktionsbatterie 3 bereitstellenden Ladestation 5 gekoppelt ist. Die Ladevorrichtung 4‘ umfasst eine Ladedose 6‘, welche mit einem Ladestecker 7 und einem Ladekabelsatz 8 der Ladestation 5 elektrisch koppelbar ist. Die Ladedose 6‘ und der Ladestecker 7 bilden eine Steckverbindung aus. Über einen Kabelbaum 9, welcher beispielsweise Hochvoltkabel 10 zur Übertragung der Ladeenergie sowie Niedervoltkabel 1 1 zur Übertragung von Kommunikationssignalen aufweist, ist die Ladedose 6‘ mit einer Ladeschaltung 12‘ eines Ladegeräts 13‘ der Ladevorrichtung 4 elektrisch verbunden. Dazu weist das Ladegerät 13‘ einen Steckverbinder 14 auf, welcher mit dem Kabelbaum 9 des Bordnetzes 2‘ sowie mit der Ladeschaltung 12‘ gekoppelt ist. Der Steckverbinder 14 kann beispielsweise aus einer HV-Buchse an dem Ladegerät 13‘ und einem Kabelbaumstecker auf Seiten des Kabelbaums 9 bestehen. Das Ladegerät 13‘ kann außerdem einen Hochvolt-Anschluss 15 zum Verbinden mit Hochvoltleitungen 16 der Traktionsbatterie 13 aufweisen. 1 shows an electrically drivable vehicle 1 'according to the prior art, which has an electrical system 2' with a traction battery 3 for driving the vehicle T. The electrical system 2 'also has an electrical machine EM, which is electrically connected to the traction battery 3 via drive electronics AE. The electric machine EM is used to drive the vehicle 1 '. It also points out Vehicle electrical system 2 'has a charging device 4', which is coupled to the traction battery 3 and to a charging station 5 external to the vehicle and providing charging energy for the traction battery 3. The charging device 4 'comprises a charging socket 6' which can be electrically coupled to a charging plug 7 and a charging cable set 8 of the charging station 5. The charging socket 6 'and the charging plug 7 form a plug connection. The charging socket 6 'is electrically connected to a charging circuit 12' of a charger 13 'of the charging device 4 via a cable harness 9, which has, for example, high-voltage cable 10 for transmitting the charging energy and low-voltage cable 11 for transmitting communication signals. For this purpose, the charger 13 'has a plug connector 14, which is coupled to the wiring harness 9 of the vehicle electrical system 2' and to the charging circuit 12 '. The connector 14 can consist, for example, of an HV socket on the charger 13 ′ and a cable harness plug on the side of the cable harness 9. The charger 13 'can also have a high-voltage connection 15 for connecting to high-voltage lines 16 of the traction battery 13.
Fig. 2 zeigt ein Fahrzeug 1 gemäß einer Ausführungsform der vorliegenden Erfindung. Das Fahrzeug 1 ist insbesondere als ein Motorrad ausgebildet und weist ein Bordnetz 2 auf. Das Bordnetz 2 umfasst die Traktionsbatterie 3 sowie eine erfindungsgemäße Ladevorrichtung 4. Die Ladevorrichtung 4 unterscheidet sich von der Ladevorrichtung 4‘ gemäß Fig. 1 dadurch, dass die Ladedose 6 in das Ladegerät 13 integriert ist. Dazu weist das Ladegerät 13 ein Gehäuse 17 auf, in welchem die Ladeschaltung 12 angeordnet ist und in dessen Gehäusewand 18 die Ladedose 6 angeordnet bzw. integriert ist. Die Ladedose 6 wird also ohne Zwischenschaltung des Kabelbaums 9 sowie des 2 shows a vehicle 1 according to an embodiment of the present invention. The vehicle 1 is designed in particular as a motorcycle and has an electrical system 2. The vehicle electrical system 2 comprises the traction battery 3 and a charging device 4 according to the invention. The charging device 4 differs from the charging device 4 'according to FIG. 1 in that the charging socket 6 is integrated in the charger 13. For this purpose, the charger 13 has a housing 17 in which the charging circuit 12 is arranged and in the housing wall 18 the charging socket 6 is arranged or integrated. The charging socket 6 is thus without the interposition of the wiring harness 9 and the
Steckverbinders 14 mit der Ladeschaltung 12 elektrisch verbunden. Connector 14 electrically connected to the charging circuit 12.
Die Ladeschaltung 12 ist dazu ausgelegt, einen Ladevorgang der Traktionsbatterie 3 zu steuern. Beispielsweise kann die Ladeschaltung 12 einen Gleichrichter aufweisen und somit eine von der Ladestation 5 bereitgestellte Wechselspannung bzw. einen The charging circuit 12 is designed to control a charging process of the traction battery 3. For example, the charging circuit 12 can have a rectifier and thus an AC voltage provided by the charging station 5 or one
Wechselstrom in eine Gleichspannung bzw. einen Gleichstrom für die Traktionsbatterie 3 umwandeln. Auch kann die Ladeschaltung 12 Schaltschütze aufweisen und somit eine galvanische Trennung zwischen der Ladestation 5 und der Traktionsbatterie 3 Convert alternating current into a direct voltage or a direct current for the traction battery 3. The charging circuit 12 can also have contactors and thus electrical isolation between the charging station 5 and the traction battery 3
bereitstellen. provide.
Auch kann der Hochvolt-Anschluss 15 zum Verbinden mit den Hochvoltleitungen 16 der Traktionsbatterie 13in die Gehäusewand 18 integriert sein. Alternativ dazu können die Hochvoltleitungen 16 auch aus dem Gehäuse 17, ohne Zwischenschaltung eines The high-voltage connection 15 can also be integrated into the housing wall 18 for connection to the high-voltage lines 16 of the traction battery 13. As an alternative to this, the high-voltage lines 16 can also be removed from the housing 17 without the interposition of one
Hochvolt-Anschlusses 15, zu der Traktionsbatterie 3 geführt werden. Die erfindungsgemäße Ladevorrichtung 4 mit dem Ladegerät 13 und der Ladedose 6 ist also eine einteilige Komponente, welche als Ganzes bzw. in einem Stück in oder an dem Fahrzeug 1 angeordnet werden kann. Durch die Integration der Ladedose 6 in das Ladegerät 13 kann auf den Steckverbinder 14 sowie den Kabelbaum 9 verzichtet werden. Dadurch können Kosten und Bauraum gespart werden. High-voltage connection 15, to the traction battery 3. The Charging device 4 according to the invention with the charger 13 and the charging socket 6 is therefore a one-piece component which can be arranged as a whole or in one piece in or on the vehicle 1. By integrating the charging socket 6 into the charger 13, the connector 14 and the cable harness 9 can be dispensed with. This can save costs and installation space.
Bezugszeichenliste Reference list
1, V Fahrzeug 1, V vehicle
2, 2‘ Bordnetz  2, 2 'electrical system
3 Traktionsbatterie  3 traction battery
4 4 Ladevorrichtung  4 4 loading device
5 Ladestation  5 charging station
6, 6‘ Ladedose  6, 6 'charging socket
7 Ladestecker  7 charging plugs
8 Ladekabelsatz  8 charging cable set
9 Kabelbaum  9 wiring harness
10 Hochvoltkabel  10 high-voltage cables
1 1 Niedervoltkabel 1 1 low-voltage cable
12, 12‘ Ladeschaltung  12, 12 'charging circuit
13, 13‘ Ladegerät 13, 13 'charger
14 Steckerbinder  14 connectors
15 Hochvolt-Anschluss 15 high-voltage connection
16 Hochvoltleitungen16 high-voltage cables
17 Gehäuse 17 housing
18 Gehäusewand  18 housing wall
AE Antriebselektronik EM elektrische Maschine AE drive electronics EM electrical machine

Claims

Patentansprüche Claims
1. Ladevorrichtung (4) für ein elektrisch antreibbares Fahrzeug (1 ), insbesondere für ein Motorrad, zum Bereitstellen eines Ladevorgangs einer Traktionsbatterie (3) des elektrisch antreibbaren Fahrzeugs (1 ), mit einer Ladedose (6), welche unter 1. Charging device (4) for an electrically drivable vehicle (1), in particular for a motorcycle, for providing a charging process of a traction battery (3) of the electrically drivable vehicle (1), with a charging socket (6), which under
Ausbildung einer Steckverbindung mit einem Ladestecker (7) einer fahrzeugexternen Ladestation (5) elektrisch verbindbar ist, und mit einem Ladegerät (13) aufweisend eine Ladeschaltung (12), welche mit der Ladedose (6) elektrisch verbunden ist und zum Steuern des Ladevorgangs mit der Traktionsbatterie (3) elektrisch verbindbar ist, dadurch gekennzeichnet, dass  Forming a plug connection with a charging plug (7) of a vehicle-external charging station (5) is electrically connectable, and with a charger (13) having a charging circuit (12) which is electrically connected to the charging socket (6) and for controlling the charging process with the Traction battery (3) is electrically connectable, characterized in that
die Ladedose (6) in das Ladegerät (13) integriert ist und die Ladedose (6) dazu in einer Gehäusewand (18) eines die Ladeschaltung (12) aufnehmenden Gehäuses (17) des Ladegeräts (13) angeordnet ist.  the charging socket (6) is integrated in the charger (13) and the charging socket (6) is arranged in a housing wall (18) of a housing (17) of the charger (13) receiving the charging circuit (12).
2. Ladevorrichtung (4) nach Anspruch 1 , 2. loading device (4) according to claim 1,
dadurch gekennzeichnet, dass  characterized in that
die Ladeschaltung (12) einen Gleichrichter aufweist, welcher dazu ausgelegt ist, einen von der fahrzeugexternen Ladestation (5) bereitgestellten Wechselstrom in einen Gleichstrom für die Traktionsbatterie (3) umzuwandeln.  the charging circuit (12) has a rectifier which is designed to convert an alternating current provided by the vehicle-external charging station (5) into a direct current for the traction battery (3).
3. Ladevorrichtung (4) nach Anspruch 2, 3. loading device (4) according to claim 2,
dadurch gekennzeichnet, dass  characterized in that
die Ladeschaltung (12) einen Gleichspannungswandler mit galvanischer Trennung aufweist.  the charging circuit (12) has a DC-DC converter with electrical isolation.
4. Ladevorrichtung (4) nach einem der vorhergehenden Ansprüche, 4. Loading device (4) according to one of the preceding claims,
dadurch gekennzeichnet, dass  characterized in that
die Ladeschaltung (12) zumindest ein Schaltschütz zum stromlos Schalten der Ladedose (6) und zum Bereitstellen einer galvanischen Trennung zwischen der Ladedose (6) und der Traktionsbatterie (3) aufweist. the charging circuit (12) has at least one contactor for de-energizing the charging socket (6) and for providing electrical isolation between the charging socket (6) and the traction battery (3).
5. Ladevorrichtung (4) nach einem der vorhergehenden Ansprüche, 5. Loading device (4) according to one of the preceding claims,
dadurch gekennzeichnet, dass  characterized in that
in der Gehäusewand (18) des Gehäuses (17) des Ladegeräts (13) außerdem ein Hochvolt-Anschluss (15) angeordnet ist, welcher mit der Ladeschaltung (12) elektrisch verbunden ist und welcher mit Hochvoltleitungen (16) der Traktionsbatterie (3) elektrisch verbindbar ist.  In the housing wall (18) of the housing (17) of the charger (13) there is also a high-voltage connection (15) which is electrically connected to the charging circuit (12) and which is electrically connected to high-voltage lines (16) of the traction battery (3) is connectable.
6. Bordnetz (2) für ein Fahrzeug (1 ) aufweisend einer Traktionsbatterie (3) und eine Ladevorrichtung (4) nach einem der vorhergehenden Ansprüche, wobei die 6. electrical system (2) for a vehicle (1) having a traction battery (3) and a charging device (4) according to any one of the preceding claims, wherein the
Ladeschaltung (12) der Ladevorrichtung (4) elektrisch mit der Traktionsbatterie (3) verbunden ist.  Charging circuit (12) of the charging device (4) is electrically connected to the traction battery (3).
7. Fahrzeug (1 ), insbesondere Motorrad, aufweisend ein Bordnetz (2) nach Anspruch 6. 7. Vehicle (1), in particular motorcycle, comprising an electrical system (2) according to claim 6.
PCT/EP2019/072853 2018-09-13 2019-08-27 Charging device for an electrically drivable vehicle, vehicle electrical system, and vehicle WO2020052972A1 (en)

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