EP3749543A1 - Système d'entraînement électrique pour véhicule électrique et procédé de charge inductive d'un dispositif accumulateur d'énergie d'un véhicule électrique - Google Patents

Système d'entraînement électrique pour véhicule électrique et procédé de charge inductive d'un dispositif accumulateur d'énergie d'un véhicule électrique

Info

Publication number
EP3749543A1
EP3749543A1 EP19702579.4A EP19702579A EP3749543A1 EP 3749543 A1 EP3749543 A1 EP 3749543A1 EP 19702579 A EP19702579 A EP 19702579A EP 3749543 A1 EP3749543 A1 EP 3749543A1
Authority
EP
European Patent Office
Prior art keywords
drive system
inductance
electric drive
energy storage
storage device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19702579.4A
Other languages
German (de)
English (en)
Inventor
Klaus Ries-Mueller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3749543A1 publication Critical patent/EP3749543A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • B60L53/124—Detection or removal of foreign bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—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
    • 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
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/61—Arrangements of controllers for electric machines, e.g. inverters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00—Constructional features of vehicle sub-units
    • B60Y2410/10—Housings
    • 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

  • the present invention relates to an electric drive system for an electrically powered vehicle and a method for inductively charging an energy storage device of an electrically powered vehicle.
  • Electric motor powered by a battery are usually connected to the battery charging the 230 V power supply overnight. Usually, the charging takes place by means of a 3 kW charger.
  • a plug connection must be used on the electrically operated vehicle or be connected to it during a conductive charging process. In the case of energy transfer by means of induction (wireless charging), it is possible to dispense with the plug connection, and to start the charging process easier, by only a precise positioning of a
  • Induction coil (secondary coil) over a variable magnetic field
  • DE 10 2012 014 185 A1 describes an energy transmission device for a motor vehicle with an inductive energy transmission module, wherein a vehicle-side energy transmission device can be arranged at the front, rear or center.
  • the present invention provides an electric drive system for an electrically powered vehicle according to claim 1 and a method for inductively charging an energy storage device of an electrically operated vehicle according to claim 14.
  • the idea underlying the present invention is to provide an electric drive system for an electrically operated vehicle, wherein both an on-vehicle inductance for inductively charging a battery in the vehicle and advantageously also further electronic components arranged directly on the electric machine or integrated with each other in an electrical axis can be to achieve an integrated design and advantageous to reduce the required number of cable and plug connections can.
  • the electric drive system for an electrically operated vehicle comprises an electric machine, by means of which a
  • an energy storage device by means of which the electric machine is operable, an inverter device, via which the energy storage device with the electrical machine is connected, a first inductance, via which the energy storage device is inductively chargeable, wherein the electric machine comprises a housing and the first inductance is integrated in the housing or is arranged on the housing, and a transducer device, which with the first inductance and with the energy storage device, for loading the
  • the electrically operated vehicle may advantageously be a fully electrically powered vehicle or a partially electrically powered vehicle, such as a hybrid vehicle (plug-in hybrid), which comprises an inductively chargeable energy storage device, advantageously a traction battery.
  • the traction drive advantageously includes other components, such as gearbox, lower or translation devices, required for the drive, the engine and the steering sensor devices and controls, electrical systems and more.
  • the said components can be integrated, for the most part or as a whole, in a drive axle of the electrically operated vehicle, for example in an electrical axle, which advantageously results in a space-saving and compact construction.
  • the energy storage device advantageously comprises a battery, for example a high-voltage battery with a voltage of greater than 60 V, for example 400 V or even higher (for example 800 V).
  • the first inductor advantageously comprises a coil with at least one winding on a core or a plate, which for inductive charging of the
  • Primary coil advantageously at a charging station, can be positioned.
  • Inductance advantageously comprises the secondary coil for inductive charging.
  • the primary coil may comprise a plate, which is usually arranged in a floor area below the electrically operated vehicle when loading.
  • About the inverter device can advantageously an energy flow of the
  • switch means which can be switched with a modulation signal, for example from a control device.
  • Inverter device advantageously provides three phases for driving the electric machine (in the integrated state as so-called “attached inverter” or "eAxle +").
  • Connecting elements can be saved.
  • the first inductor is so installed together with the electric machine, that the first inductance is built into the housing of the electric machine, in particular integrated, or as an independent component, top, bottom or side the housing of the electrical
  • the converter device advantageously a DC converter device comprising an AC-DC converter, is intended to convert an AC signal (current, voltage) from the first inductance into a DC signal (current, voltage) so as to be able to charge the energy storage device.
  • the converter device is advantageous to a required of the energy storage device
  • the converter device can advantageously also operate in the opposite direction and convert approximately a direct current (direct current voltage) from the energy storage device into an alternating current (AC voltage) and carry out an energy transfer, for example back into a power network, via the first inductance.
  • direct current voltage direct current voltage
  • AC voltage alternating current
  • the energy storage device it is also advantageously possible for the energy storage device to be used as a temporary store for electricity by an energy operator which, in the event of excess current in its network, supplies the current in the grid Store energy storage device advantageous (about overnight, when the vehicle is not operated, but the battery is charged to charge the network) and / or when power is needed in the network, the energy storage device as
  • the first inductor can advantageously also be arranged directly on the housing of the electrical machine.
  • the inverter device is arranged in an electronics housing, which is arranged directly on the electric machine.
  • the electronics housing can be advantageously attached to the housing of the electrical machine, which can be dispensed with entirely advantageous on cable or leads between the two housings.
  • the two housings can advantageously be connected only by a plug connection, advantageously electrically and mechanically connected.
  • the electronics housing comprises the converter device.
  • the converter device can advantageously be arranged for space-saving reasons together with the inverter device in the electronics housing, in a so-called "shared flat".
  • the electronic components of both are each arranged on a same board or on separate boards.
  • the electronics housing advantageously comprises only one external connection for the energy storage device and one
  • each external connection in each case a plug device advantageously each exactly one plug device comprises, which in the interior of the electronics housing advantageously with the
  • Inverter device and / or is connected to the converter device. Also to the electric machine out the connection with the electronics housing and the housing of the electric machine by a plug connection, or simple leads with only one connection to the respective housing (bus bars) be realized.
  • a plug connection or simple leads with only one connection to the respective housing (bus bars) be realized.
  • Inverter Pain and the converter device with respect to the electrical machine and the energy storage device are omitted, and space and cost can be saved.
  • the number of required housing can be advantageously reduced and savings in the management and cable management can be advantageously achieved.
  • Synergies between an inductive charging component (converter, coil, housing) and the electric drive (the electrical axis, electrical machine, housing, plug) can advantageously be used.
  • the electronics housing is arranged directly on the housing.
  • the electric machine is integrated in an electrical drive axle of the electrically operated vehicle.
  • the electronics housing may advantageously be arranged on an upper side of the housing of the electric machine or laterally on one side, wherein the electronics housing may be advantageously attached to the housing. After the electronics housing is arranged on the housing, these two act advantageously as a common component in the electric drive system and can advantageously be integrated into a drive axle, advantageously the electrical axis.
  • the electrical axis is a
  • the electrical axis and an axis on which two drive wheels of the electrically operated vehicle are arranged or connected to, are advantageously identical to each other, or deflected by gear.
  • the electric drive axle is included in a front axle and / or in a rear axle of the electrically operated vehicle.
  • the electronics housing comprises a plug device, by means of which the energy storage device with the inverter device and with the
  • Transducer device is connected.
  • the electronics housing advantageously comprises one, preferably only one single plug device, which advantageously has an electrical and mechanical connection to a connection of the
  • the inverter device and / or the converter device is advantageously connected to the energy storage device in order to receive or deliver energy flow from the energy storage device if the electric machine functions as a generator and recuperates energy to the energy storage device.
  • the inverter device can advantageously convert an alternating signal of the electric machine into a DC signal for charging the electric machine
  • this comprises a control device, by means of which the inverter device and / or the DC converter device is controllable.
  • the control device may be separate from the inverter device and the
  • Converter device or together with at least one of these in one Housing, advantageously in the electronics housing, be arranged.
  • Control device advantageously controls the inverter device and / or the converter device with a modulation signal, switches it on or off and actuates switch devices in the inverter device and / or in the converter device.
  • the control device advantageously comprises a microcontroller (electrical system of the machine) and can be arranged to save space in the community in the electronics housing, whereby more plugs and leads are saved. Furthermore, that can
  • Electronics housing for the inverter device and / or for the control device include its own power supply as a low-voltage supply. Furthermore, the converter device can also be connected to the low-voltage supply in the electronics housing.
  • this comprises a cooling system for the electrical machine and / or for the inverter device (INV) and / or for the converter device (W)
  • the electronics housing comprises the cooling system.
  • the electronics housing advantageously comprises a cooling connection (inlet and outlet), for example for cooling water, by means of which a cooling system in the electronics housing can be supplied.
  • the cooling system advantageously comprises a cooling circuit which extends from the inverter device to
  • the cooling system advantageously comprises a single cooling system (cooling circuit).
  • this comprises a communication device.
  • the communication device is advantageously used for communication to the outside (eg wirelessly) with a further control device, a server, a
  • Network or other control systems for transmission of information about cooling water temperature, engine temperature, state of charge, etc.
  • Communication device can be advantageous in the electrical axis
  • this comprises an object recognition device, by means of which a foreign object between the first inductance and a second inductance required for inductive charging can be detected during inductive charging.
  • the object recognition device can advantageously comprise a sensor device in the region of the first inductance or a device for detecting atypical voltage changes during inductive charging.
  • the object recognition device can advantageously be integrated in the electrical axis, for example as a device for detecting atypical
  • Voltage changes in the electronics housing or by the control device to be included In the event that a foreign object, an electrically conductive material or a living thing, during inductive charging between the coils (primary and secondary coil) device, the presence of the object is detected and advantageously stops charging before the coils, the energy storage device or the electronic components to be harmed.
  • the first inductance is arranged on a lower side of the electric machine.
  • Inductance of a second inductance can be particularly close because of Distance between the drive axle and the ground is usually less than a front, rear or middle part of the vehicle.
  • a method step S1 in the method for inductively charging an energy storage device of an electrically operated vehicle in a method step S1, provision is made of an electric drive system according to the present invention.
  • the electrically operated vehicle is positioned over a second one
  • step S3 an inductive charging of the energy storage device takes place via the first inductance.
  • the magnetic field In the charging position, the magnetic field has a sufficient field strength for inductive charging.
  • the positioning can be manual or partial or
  • Step S3 an object recognition device detects a foreign object in the magnetic field between the first inductance and the second inductance, and the inductive charging is immediately terminated.
  • the inductive charging can be terminated by recognizing a foreign object, for example, by an algorithm in the control device by controlling the converter device accordingly.
  • FIG. 1 is a schematic side view of an electric drive system for an electrically operated vehicle according to a
  • FIG. 2 shows an illustration of an electrical drive axle with an electric drive system
  • FIG. 3 shows a schematic representation of an electrically operated vehicle with an electric drive system in a plan view according to an embodiment of the present invention
  • Fig. 4 is a schematic side view of an electrically operated
  • FIG. 5 is a block diagram of the method steps according to a
  • Fig. 1 shows a schematic side view of an electrical
  • An electric machine EM is arranged in a housing 3, which may advantageously comprise a casting.
  • the first inductance LI advantageously arranged as a plate with a coil, so that it may be facing for inductive charging a primary coil.
  • the first inductor is at least partially integrated into the housing 3, but may also be arranged on the outside of the housing 3, and by means of electrical conductors, such as copper wires (double arrow, this advantageously inexpensive executable), are connected to the electronics housing 4.
  • the electrical conductors advantageously extend within an electrically shielded housing 3 or outside of the housing and in this case themselves have an electrical shield (insulation).
  • the inverter device INV and the converter device W are advantageously arranged together in the electronics housing 4 as a shared housing, which are connected by means of internal plug-in connections, or electrical conductors (bus bars) with a plug device 5.
  • the electronics housing 4 may advantageously also a second
  • Transducer device includes (not shown), which with the
  • Inverter device is connected, and which can be used in the Rekuperationsmodus the electric machine for charging the energy storage device B.
  • the second converter device can also be arranged separately and outside the electronics housing 4.
  • the plug device 5 connects the electronics housing 4 with the energy storage device B electrically via leads (bus bars) or plug (arrow).
  • Electronics housing 4 connect electrical conductors (bus bars)
  • the electric machine with the housing 3 and the electronics housing 4 and the first inductance LI is advantageously installed as a compact electrical axis.
  • the electronics housing 4 further comprises a cooling system KS, which advantageously extends into the region of the inverter device INV and into the region of the DC converter device W. In this way, the number of plugs, leads, cooling connections and housing can be reduced.
  • Fig. 2 shows a representation of an electric drive axle with an electric drive system.
  • the housing 3 with the electric machine EM integrated therein is connected to a drive axle (strand), which is integrated into it in advance, which is referred to as electrical axis EA.
  • the electronics housing 4 is advantageously placed directly on the housing 3 (with leads or plug-in connections, copper lines or as Cu rails) and is made as flat as possible for space-saving reasons.
  • Fig. 3 shows a schematic representation of an electrically operated
  • Vehicle with an electric drive system in a plan view according to an embodiment of the present invention Vehicle with an electric drive system in a plan view according to an embodiment of the present invention.
  • the electrically operated vehicle Fl has a front axle V and a rear axle H, wherein the electrical axis EA can be integrated in the front axle V and / or in the rear axle H.
  • the electric drive system 1 can be seen on the rear axle H, which comprises a housing 3 with the electric machine EM, the electronics housing 4 being arranged on the housing 3.
  • the first inductor LI is arranged below the housing 3 and can laterally project beyond the axis EA, as well as the housing 3, but can also be less than or equal to the housing 3 in planar fashion.
  • FIG. 4 shows a schematic side view of an electrically operated vehicle with an electric drive system according to FIG.
  • the electrically powered vehicle F1 has an electric drive system 1 integrated in the front axle V, which represents the electric axis EA.
  • the electrically operated vehicle F1 is positioned above a second inductance L2 so that the first inductance LI senses the magnetic field M of the second inductance L2 (and vice versa when the energy is fed in) from the energy storage device B into a power grid, such as v2grid).
  • a power grid such as v2grid
  • an object recognition device 7 which can detect a foreign object FO in the magnetic field M.
  • a control device SE and the energy storage device B and the communication device KE (for example, the object recognition device with a
  • corresponding algorithm are arranged, for example, separately from the axis EA in the vehicle Fl and may also include their own housing.
  • At least some of them can also be integrated in the electronics housing 4 or in the electrical axis EA.
  • FIG. 5 shows a block diagram of the method steps according to FIG.
  • Embodiment has been fully described above, it is not limited thereto, but modifiable in a variety of ways.

Landscapes

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

Abstract

La présente invention concerne un système d'entraînement électrique (1) pour un véhicule électrique (F1) comprenant une machine électrique (EM) au moyen de laquelle un entraînement de traction du véhicule électrique (F1) peut être entraîné ; un dispositif accumulateur d'énergie (B) au moyen duquel la machine électrique (EM) peut fonctionner ; un dispositif inverseur (INV) au moyen duquel le dispositif accumulateur d'énergie (B) est relié à la machine électrique (EM) ; une première inductance (L1) par laquelle le dispositif accumulateur d'énergie (B) peut être chargé par induction, dans lequel la machine électrique (EM) comprend un boîtier (3) et la première inductance (L1) est intégrée dans le boîtier (3) ou disposée directement sur le boîtier (3) ; et un dispositif convertisseur (W) relié à la première inductance (L1) et au dispositif accumulateur d'énergie (B) pour charger le dispositif accumulateur d'énergie (B).
EP19702579.4A 2018-02-06 2019-01-30 Système d'entraînement électrique pour véhicule électrique et procédé de charge inductive d'un dispositif accumulateur d'énergie d'un véhicule électrique Withdrawn EP3749543A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018201821.9A DE102018201821A1 (de) 2018-02-06 2018-02-06 Elektrisches Antriebssystem für ein elektrisch betriebenes Fahrzeug und Verfahren zum induktiven Laden einer Energiespeichereinrichtung eines elektrisch betriebenen Fahrzeugs
PCT/EP2019/052203 WO2019154683A1 (fr) 2018-02-06 2019-01-30 Système d'entraînement électrique pour véhicule électrique et procédé de charge inductive d'un dispositif accumulateur d'énergie d'un véhicule électrique

Publications (1)

Publication Number Publication Date
EP3749543A1 true EP3749543A1 (fr) 2020-12-16

Family

ID=65268936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19702579.4A Withdrawn EP3749543A1 (fr) 2018-02-06 2019-01-30 Système d'entraînement électrique pour véhicule électrique et procédé de charge inductive d'un dispositif accumulateur d'énergie d'un véhicule électrique

Country Status (5)

Country Link
US (1) US20210268921A1 (fr)
EP (1) EP3749543A1 (fr)
CN (1) CN111655532A (fr)
DE (1) DE102018201821A1 (fr)
WO (1) WO2019154683A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3815944B1 (fr) * 2019-10-31 2022-06-15 BRUSA Elektronik AG Groupe motopropulseur compact à moteur électrique

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DE102017103397A1 (de) * 2017-02-20 2018-08-23 Thyssenkrupp Ag Achsantriebseinheit, Antriebsachse und Kraftfahrzeug
WO2018150009A1 (fr) * 2017-02-20 2018-08-23 Thyssenkrupp Ag Unité d'entraînement d'essieu dotée d'un système de direction, essieu moteur et véhicule à moteur

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WO2019154683A1 (fr) 2019-08-15
CN111655532A (zh) 2020-09-11
DE102018201821A1 (de) 2019-08-08
US20210268921A1 (en) 2021-09-02

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