WO2012084101A2 - Dispositif pour véhicule à moteur - Google Patents

Dispositif pour véhicule à moteur Download PDF

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Publication number
WO2012084101A2
WO2012084101A2 PCT/EP2011/005760 EP2011005760W WO2012084101A2 WO 2012084101 A2 WO2012084101 A2 WO 2012084101A2 EP 2011005760 W EP2011005760 W EP 2011005760W WO 2012084101 A2 WO2012084101 A2 WO 2012084101A2
Authority
WO
WIPO (PCT)
Prior art keywords
unit
power transmission
vehicle
transmission unit
motor vehicle
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.)
Ceased
Application number
PCT/EP2011/005760
Other languages
German (de)
English (en)
Other versions
WO2012084101A3 (fr
Inventor
Karlheinz Baier
Matthias Kronewitter
Thomas Weber
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.)
Mercedes Benz Group AG
Original Assignee
Daimler AG
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 Daimler AG filed Critical Daimler AG
Publication of WO2012084101A2 publication Critical patent/WO2012084101A2/fr
Publication of WO2012084101A3 publication Critical patent/WO2012084101A3/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
    • 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
    • B60L53/24—Using the vehicle's propulsion converter for charging
    • 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
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/50—Structural details of electrical machines
    • B60L2220/54—Windings for different functions
    • 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
    • Y02T10/64—Electric machine technologies in electromobility
    • 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 invention relates to a motor vehicle device according to the preamble of claim 1.
  • a motor vehicle device for an electric and / or hybrid motor vehicle is already known from DE 10 2009 033 955 A1, with a charging device for charging a battery device, which has a vehicle-side power transmission unit, and with an electric motor drive unit, which has an inverter unit, which is provided for in a charging process of the battery device to be used known.
  • the invention is in particular the object of providing a simple motor vehicle device, through which a component number can be kept low particularly advantageous. It is achieved according to the invention by the features of claim 1. Further embodiments emerge from the subclaims.
  • the invention is based on a motor vehicle device for an electric and / or hybrid motor vehicle, with a charging device for charging a battery device, which has a vehicle-side power transmission unit, with an electric motor drive unit having an inverter unit, which is intended to be used in a charging process of the battery device to become.
  • the vehicle-side power transmission unit has at least one coil which is provided for a contactless energy transmission.
  • This allows a particularly simple transfer of energy to the battery device, which has a safety-relevant electrical isolation, which can be dispensed in particular to other components and measures for electrical isolation.
  • a “rechargeable battery device” is to be understood in particular as meaning a device for the temporary storage of electrical energy.
  • a unit should be understood which is intended to contactlessly receive or send electrical energy.
  • two energy transmission units are provided for a contactless transmission of electrical energy over a defined distance.
  • a “contactless energy transmission” is to be understood here as meaning, in particular, an electromagnetic, preferably an inductive energy transmission.
  • “Provided” is to be understood in particular to be specially programmed, equipped and / or designed.
  • the vehicle-side power transmission unit is provided to specify a voltage to a stationary power transmission unit in order to adapt a voltage in the vehicle-side power transmission unit for the battery device.
  • a "fixed power transmission unit” should be understood to mean, in particular, an energy transmission unit which is connected to an external power grid and is stationarily mounted at a location where the electric and / or hybrid motor vehicle can be parked be understood that a current generated by the vehicle-side power transmission unit has a level that is required for charging the battery device.
  • the motor vehicle device has a rectification device which is intended to rectify an alternating current transmitted by the energy transmission units.
  • the alternating current generated by the vehicle-side power transmission unit can be converted in a particularly simple manner into a direct current which is suitable for charging the battery device.
  • at least one rectifier is to be understood as a "rectification device.”
  • the rectifier preferably has at least one diode.
  • the electric motor drive unit comprises an electric motor which has at least one motor coil, which is intended to be used as an energy store during the charging process. This can be particularly advantageous to dispense with additional inductors for energy storage.
  • the electric motor drive unit has a star point, via which the at least one motor coil is integrated into the charging process. This allows the current for charging the battery device particularly simple and advantageous Adhesive be passed through the electric motor drive unit.
  • a "star point of the electric motor” is to be understood in particular an electrical point, with respect to which the three motor coils are arranged electrically substantially symmetrically.
  • the inverter unit is provided for stepping down and / or boosting the voltage to a voltage level of the battery device. As a result, a voltage can be easily brought to a voltage level that is required for charging the battery device.
  • the electric and / or hybrid motor vehicle has a partially illustrated drive train with an electric motor drive unit 13 for a drive.
  • the drive train has a plurality of electric motor drive units 13.
  • the electric and / or hybrid motor vehicle has a battery device 1 1, which is provided to supply at least the electric motor drive unit 13 with energy.
  • the electric and / or hybrid motor vehicle has at least one internal combustion engine drive unit in the drive train.
  • the battery device 11 comprises a high-voltage battery.
  • the battery device 11 provides a DC voltage that is at least 100 volts.
  • the high-voltage battery comprises a plurality of individual cells connected in series.
  • a minimum battery voltage is 105.6 volts.
  • a maximum battery voltage is 413 volts, whereby the maximum battery voltage can also be larger.
  • the battery device 11 has two battery terminals, each forming a defined pole of the battery device 11.
  • the electric motor drive unit 13 includes an electric motor 17.
  • the electric motor 17 is formed as a three-phase motor.
  • the electric motor 17 comprises three motor coils 18, 19, 20.
  • the electric motor drive unit 13 comprises three motors. separated phases.
  • In a driving mode the electric motor 17 generates a drive torque from an electric power supplied thereto.
  • In a generator operating mode the electric motor 17 generates electric power from a mechanical power supplied thereto, which can be supplied to the electric motor drive unit via drive wheels, for example.
  • the three motor coils 18, 19, 20 are brought together at a neutral point 21 of the electric motor 17.
  • the star point 21 is formed as a central connection point.
  • the three motor coils 18, 19, 20 are arranged with respect to the neutral point 21 electrically symmetrical.
  • the electric motor drive unit 13 For electrical connection of the electric motor 17 to the battery device 11, the electric motor drive unit 13 comprises power electronics 22.
  • the power electronics 22 form an inverter unit 14.
  • the inverter unit 14 is formed by means of three non-illustrated half bridges. Each of the three half-bridges is electrically connected to one of the motor coils 18, 19, 20 of the electric motor 17.
  • Each half-bridge comprises two switching elements and two freewheeling diodes arranged parallel to the switching elements.
  • the freewheeling diodes of a half-bridge are arranged opposite.
  • the motor coils 18, 19, 20 of the electric motor 17 are connected to a bridge point of the respective half-bridge.
  • the switching elements of the half bridges are designed as transistors.
  • the inverter unit 14 In the driving mode, the inverter unit 14 generates an AC voltage from the DC voltage of the battery device 11.
  • the AC voltage generated by the inverter unit 14 defines a power that the electric motor 17 outputs.
  • a rotational speed which has the electric motor 17, adjustable.
  • the AC voltage is applied as a three-phase current to the motor coils 18, 19, 20 of the electric motor 17.
  • the inverter unit 14 converts the AC voltage generated by the electric motor 17 into a DC voltage.
  • the inverter unit 14 acts as a step-up converter, which converts the AC voltage provided by the electric motor drive unit into a higher DC voltage. In principle, however, the inverter unit 14 can also be operated without a step-up operation.
  • the DC voltage into which the inverter unit converts the AC voltage generated by the electric motor 17 causes a charging operation of the battery device 11.
  • the motor vehicle device has a vehicle-side charging device 10.
  • the charging device 10 is functionally substantially separated from the inverter unit 14.
  • the charging device 10 comprises a rectifier unit 16, which converts an AC voltage to a DC voltage.
  • the charging device 10 comprises a vehicle-side power transmission unit 12.
  • the vehicle-side power transmission unit 12 has at least one coil, not shown.
  • the vehicle-side power transmission unit 12 is formed in a charging process as a power receiving unit.
  • the power transmission unit 12 is firmly integrated in the electric and / or hybrid motor vehicle.
  • the vehicle-side power transmission unit 12 is mounted on a motor vehicle underbody.
  • the battery device 11 is connected to the first energy transmission unit 12 via at least one conductor strand. In principle, it is also conceivable that the first power transmission unit 12 is attached to another location of the electric and / or hybrid motor vehicle.
  • the vehicle-side power transmission unit 12 is intended to be functionally connected to a stationary power transmission unit 15.
  • the stationary power transmission unit 15 is fixed in an environment, for example on a garage floor or other location, which is easily accessible by means of the motor vehicle attached.
  • the stationary power transmission unit 15 is connected to an external power grid 23, for example, an ordinary house power network.
  • the fixed power transmission unit 15 at least one coil.
  • the stationary power transmission unit 15 is formed as an energy transmission unit.
  • the stationary power transmission unit 15 is preferably always mounted on a floor, but it is also conceivable that the fixed power transmission unit 15 is arranged at a different position, for example a wall. For this, the vehicle-side energy transmission unit 12 of the vehicle-side charging device 10 would have to be correspondingly attached to the electric and / or hybrid motor vehicle in order to enable a coupling of the two energy transmission units 12, 15.
  • the vehicle-side power transmission unit 12 of the vehicle-side charging device 10 and the fixed power transmission unit 15 of the stationary charging device 10 are provided for non-contact coupling with each other.
  • electrical energy can be transmitted from the energy transfer unit 12, 15 to the other energy transfer unit 12, 15.
  • the energy transmission units 12, 15 each have the coils, not shown.
  • the coils of the energy transfer units 12, 15 are each intended to either generate a magnetic field or to convert a magnetic field into a current. convert.
  • the coils have a small stray field, which is intended to obtain the best possible efficiency in the energy transfer between the two energy transmission units 12,15.
  • the rectifier unit 16 of the charging device 0 is provided for rectifying an alternating voltage generated by the vehicle-side power transmission unit 12.
  • the rectifier unit 16 has a circuit logic, not shown, which converts the AC voltage into a DC voltage.
  • the rectifier unit 16 is disposed between the on-vehicle power transmission unit 12 and the electric motor drive unit 13.
  • the motor vehicle device has an additional coil 25, which is arranged in front of the neutral point 21 of the electric motor 17.
  • a plurality of coils 25 are arranged in front of the star point 21.
  • the coil 25 is connected in series with the motor coils 18, 19, 20.
  • the coil 25 is formed as an additional inductance, which is intended to influence a behavior of the power electronics advantageous.
  • the coil acts, for example, as a network throttle.
  • the two energy transmission units 12, 15 are arranged directly above one another.
  • the electric and / or hybrid motor vehicle is placed so that the vehicle-side power transmission unit 12, which is fixedly attached to the motor vehicle floor, is arranged directly above the stationary mounted power transmission unit 15.
  • the fixed energy transfer unit 15 designed as an energy-end unit generates a magnetic field by means of electricity from the external power network 23.
  • the coil of the vehicle-side power transmission unit 12 is in the charging of the magnetic field generated by the fixed power transmission unit 15 interspersed.
  • the magnetic field generates a current in the coil of the vehicle-side power transmission unit 12.
  • the current is conducted via at least one conductor strand 24 into the rectifier unit 16.
  • the alternating current is converted into a direct current.
  • the electric current flows from the power transmission unit 12, via the rectifier unit 16 in the neutral point 21 of the electric motor 17. From the star point 21 flows electric current through all three motor coils 18, 19, 20, which are used as an energy storage.
  • the current is passed from the inverter unit 14 directly to the battery device 11.
  • the DC voltage applied there charges the battery device 11.
  • the battery device 11 is thereby charged via the power transmission units 12, 15 without contact from the external power supply 23.
  • a discharging process is basically the same as the charging process.
  • the vehicle-side power transmission unit 12 is designed as an energy transmission unit.
  • the vehicle-side power transmission unit 12 generates a magnetic field in a discharging process by means of current from the battery device.
  • the magnetic field passes through the fixed energy transfer unit 15 formed in the discharge process as an energy receiving unit.
  • the magnetic field generates a current in the coil of the stationary energy transfer unit 15.
  • the current generated by the stationary power transmission unit 15 is thereby fed into the external power grid 23.
  • the electric and / or hybrid motor vehicle can be used as energy storage for the external power grid 23.

Landscapes

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

Abstract

L'invention concerne un dispositif pour véhicule à moteur, pour un véhicule électrique et/ou hybride, comportant un dispositif de charge (10) pour charger un dispositif accumulateur (11), une unité de transmission d'énergie (12) côté véhicule, et une unité d'entraînement par moteur électrique (13) qui comprend une unité onduleur (14) destinée à être utilisée lors d'un processus de charge du dispositif accumulateur (11). Selon l'invention, l'unité de transmission d'énergie (12) côté véhicule comprend au moins une bobine prévue pour une transmission d'énergie sans contact.
PCT/EP2011/005760 2010-12-23 2011-11-16 Dispositif pour véhicule à moteur Ceased WO2012084101A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010055933.4 2010-12-23
DE102010055933A DE102010055933A1 (de) 2010-12-23 2010-12-23 Kraftfahrzeugvorrichtung

Publications (2)

Publication Number Publication Date
WO2012084101A2 true WO2012084101A2 (fr) 2012-06-28
WO2012084101A3 WO2012084101A3 (fr) 2012-10-04

Family

ID=45023783

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/005760 Ceased WO2012084101A2 (fr) 2010-12-23 2011-11-16 Dispositif pour véhicule à moteur

Country Status (2)

Country Link
DE (1) DE102010055933A1 (fr)
WO (1) WO2012084101A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018033377A1 (fr) * 2016-08-18 2018-02-22 Continental Automotive Gmbh Réseau de bord de véhicule pour la charge inductive d'un véhicule électrique et procédé

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009033955A1 (de) 2008-07-21 2010-02-11 GM Global Technology Operations, Inc., Detroit Leistungsverarbeitungssyteme und -verfahren zur Verwendung in Steckdosen-Elektrofahrzeugen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009017087B4 (de) * 2009-04-15 2018-04-05 Sew-Eurodrive Gmbh & Co Kg Verfahren zum Beladen eines Energiespeichers
DE102009020504B4 (de) * 2009-05-08 2023-08-17 Sew-Eurodrive Gmbh & Co Kg Ladeanordnung für ein Fahrzeug und Fahrzeug
DE102009021797B4 (de) * 2009-05-18 2015-04-23 Sew-Eurodrive Gmbh & Co Kg Fahrzeug mit Ladeanordnung für einen Energiespeicher des Fahrzeugs

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009033955A1 (de) 2008-07-21 2010-02-11 GM Global Technology Operations, Inc., Detroit Leistungsverarbeitungssyteme und -verfahren zur Verwendung in Steckdosen-Elektrofahrzeugen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018033377A1 (fr) * 2016-08-18 2018-02-22 Continental Automotive Gmbh Réseau de bord de véhicule pour la charge inductive d'un véhicule électrique et procédé

Also Published As

Publication number Publication date
DE102010055933A1 (de) 2012-06-28
WO2012084101A3 (fr) 2012-10-04

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