EP3810446A1 - Antriebseinheit für einen antriebsstrang eines elektrisch antreibbaren kraftfahrzeugs sowie damit ausgestattete antriebsanordnung und kraftfahrzeug - Google Patents

Antriebseinheit für einen antriebsstrang eines elektrisch antreibbaren kraftfahrzeugs sowie damit ausgestattete antriebsanordnung und kraftfahrzeug

Info

Publication number
EP3810446A1
EP3810446A1 EP19731140.0A EP19731140A EP3810446A1 EP 3810446 A1 EP3810446 A1 EP 3810446A1 EP 19731140 A EP19731140 A EP 19731140A EP 3810446 A1 EP3810446 A1 EP 3810446A1
Authority
EP
European Patent Office
Prior art keywords
drive unit
motor vehicle
drive
power electronics
electrical machine
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Withdrawn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
EP19731140.0A
Other languages
German (de)
English (en)
French (fr)
Inventor
Steffen Lehmann
Andreas Trinkenschuh
Nicolai Gramann
Christian Silvery
Andreas Bexel
Gregor Müller
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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 Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP3810446A1 publication Critical patent/EP3810446A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/40—Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/44—Series-parallel type
    • B60K6/442—Series-parallel switching type
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • 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
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • 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
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/24—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the combustion engines
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
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    • 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
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]

Definitions

  • the invention relates to a drive unit for a drive train of an electrically drivable motor vehicle and to a drive arrangement which comprises the drive unit according to the invention. Furthermore, the invention relates to a motor vehicle which is equipped with the drive arrangement.
  • Drive device of a hybrid vehicle for driving a drive wheel wherein the drive device is an internal combustion engine, one with the
  • Electric machine an electric accumulator and a main clutch between the internal combustion engine and the drive wheel.
  • the hybrid vehicle repeatedly described in the prior art comprises an internal combustion engine, a first and a second electrical machine, at least one drive wheel, a main clutch and a first and a second clutch.
  • the main clutch is between the internal combustion engine and one Drive wheel arranged, the first clutch is provided between the first electrical machine and an output shaft of the internal combustion engine and the second clutch is provided between the second electrical machine and a drive wheel.
  • the drive unit comprises a gear unit via which the drive shaft of the respective electrical machine can be coupled or coupled with wheel drive shafts.
  • a second gear ratio is coupled to a countershaft unit, the countershaft unit having an integrated clutch and being further connected to the wheel drive shafts in such a way that depending on the position of this clutch
  • Wheel drive shafts can be coupled.
  • Machine and an internal combustion engine for torque transmission is operatively related and is operatively related to a second electrical machine for torque transmission via a second drive train.
  • the second electrical machine is permanent with the transmission input shaft
  • Torque-transmitting connected and the first electrical machine and the internal combustion engine can be coupled to the transmission input shaft for torque transmission. It can
  • the first electrical machine and / or the second electrical machine can be cooled. It is particularly preferred if the cooling by means of a
  • Gear oil from the gear is formed. Furthermore, the separating clutch used can also be designed as an oil-cooled multi-plate clutch.
  • the electric drive also has an electronic unit, which is positioned on the housing in such a way that heat generated by the electronic unit can be transferred to coolant in the housing.
  • a cooling system used for this can thus absorb heat from the electronic unit and cooling, such as in a cooler or heat exchanger.
  • the cooling liquid provided for cooling the electric drive machine can also be used for cooling power electronics.
  • WO 2015/078464 A1 discloses a hybrid module for a hybrid drive unit, the hybrid module using a power electronics module, which is a
  • Power electronics has, is operable.
  • the power electronics module is arranged on a component of the hybrid module.
  • the power electronics are sealed off from an exterior space surrounding the hybrid module and / or from an interior space of the hybrid module.
  • a cooling liquid absorbs heat from a flange of a housing of the power electronics component and transports it away.
  • WO 2015/078465 A1 discloses a hybrid module for a hybrid drive unit, a coolant flow through which the hybrid module can flow, through which a power electronics module for operating the hybrid module can also flow. A separate coolant flow for the hybrid module and the power electronics module can thereby be avoided.
  • the invention has for its object a drive unit for a
  • Drive train of an electrically drivable motor vehicle and one with it to provide equipped drive arrangement and a motor vehicle equipped therewith, which combine a small space requirement with an energy-efficient operation.
  • the invention provides a drive unit for a drive train of an electrically drivable motor vehicle, in particular a hybrid motor vehicle.
  • the drive unit comprises a first electrical machine and a second electrical machine and an output shaft, wherein a rotor of the second electrical machine is connected to the output shaft in a rotationally fixed manner, and wherein the drive unit further has a disconnect clutch with which a rotor of the first electrical machine for torque transmission with the Output shaft is connectable or connected.
  • the drive unit further comprises a
  • Power electronics for controlling at least one of the two electrical machines and a flow system for realizing a flow of a cooling liquid for at least partial cooling of the power electronics, the drive unit also being part of the flow system
  • the power electronics have corresponding connections, which are preferably designed for high-voltage contacting.
  • the two electrical machines are preferably arranged coaxially with respect to one another, but the invention does not rule out an axis-parallel arrangement of the axes of rotation of the two electrical machines.
  • the flow system is preferably set up to transport oil as the cooling liquid, but the use of other media should not be ruled out either.
  • the flow system is designed in such a way that the cooling liquid is guided into the vicinity or through the power electronics in such a way that heat from the
  • Power electronics can be transferred to the coolant.
  • the coolant which is heated to a higher temperature, is then fed to the heat exchanger or heat exchanger, where heat can be given off by the coolant, in particular to a second fluid, which likewise forms the
  • the disconnect clutch is a switchable clutch that can be switched from an open state to a closed state and vice versa.
  • the disconnect clutch is located in the torque transmission path between the two electrical machines.
  • the drive unit can be designed in such a way that the first shaft which is fixedly connected to the rotor of the first electrical machine is arranged radially within the output shaft which is fixedly connected to the rotor of the second electrical machine.
  • the first shaft can be divided, namely in the form of a central hollow shaft, on which a non-rotatably connected hub is arranged in some areas, which in turn is non-rotatably connected to the rotor of the first electrical machine.
  • the radial inside of the separating clutch can be connected in a rotationally fixed manner to the hub on the first electrical machine, and the radial outside of the
  • the disconnect clutch can be connected to the output shaft, which is non-rotatably connected to the rotor of the second electrical machine.
  • the drive unit can have a gear unit which, in conjunction with the output shaft of the drive unit, also referred to as a transmission input shaft There is an operative connection, so that a torque made available by the output shaft or the rotary movement realized by the output shaft can be passed via the gearbox to a further gearbox unit of a motor vehicle, or can also be directed directly to drive wheels of a motor vehicle.
  • This transmission can comprise a differential transmission or can be designed as such.
  • the transmission can include a first gear, which meshes with external teeth on the output shaft. A translation stage is thus realized in the drive unit by the first gear.
  • This first gearwheel can be coupled in a rotationally fixed manner to a countershaft of the gearbox, the external toothing of which in turn meshes with an input gearwheel of a differential gearbox, thereby realizing a third gear ratio.
  • the drive unit preferably comprises a housing in which the two electrical machines are arranged, at least in regions, the
  • Power electronics is arranged on the radial outside of the housing. This means that the power electronics are on the outside of the housing
  • Drive unit is arranged, namely radially with respect to an axis of rotation of at least one of the two electrical machines.
  • the power electronics are set up to control both electrical machines. In a corresponding manner, the power electronics are electrically connected to the two electrical machines.
  • the flow system is a
  • Fluidic interface for connecting the flow system to the cooling system of the one to be equipped or equipped with the drive unit
  • the power electronics can also be set up to one
  • Control temperature in at least one of the two electrical machines corresponds to
  • the flow system can also be configured such that the cooling liquid also cools the separating clutch for the purpose of cooling it and / or
  • Lubrication can be supplied.
  • hydraulic actuation can be supplied.
  • the power electronics preferably comprise an electronics housing and at least one connecting element with which the electronics housing is mechanically fixed to the housing of the drive unit.
  • Connection element and the housing of the drive unit still another intermediate layer, such as a sealing element.
  • a connecting element is preferably provided for each electrical machine, which is located on the radially outer side of the respective electrical machine.
  • Power electronics for the respective electrical machine This seals accordingly Connection element from a dry environment, in which the power electronics is located or which is included in the power electronics, and a damp room, which is formed by the interior enclosed by the housing.
  • the housing of the drive unit can also have further interfaces or
  • Hydraulic system Hydraulic system, actuator systems and / or an electromechanically operated parking lock.
  • the power electronics are also installed in a corresponding manner, namely by placing the power electronics arranged on the housing of the power electronics
  • the power electronics can have at least one control technology
  • Control interface for connecting a control device of a motor vehicle and / or an energy store, such as a battery.
  • a control device of a motor vehicle Preferably, several such control interfaces are provided, depending on the number of devices to be connected, such as a control unit of a motor vehicle, with which the drive unit according to the invention
  • the flow system of the drive unit is formed at least in sections by channels in the housing.
  • Another aspect of the present invention is a drive arrangement with a drive unit according to the invention and with an internal combustion engine, which in particular is indirectly or non-rotatably coupled or can be coupled to the rotor of the first electrical machine.
  • the internal combustion engine is connected via the first shaft or connected to the first shaft via a further coupling device, possibly with the interposition of a vibration damper.
  • the drive arrangement according to the invention can comprise a transmission or an input element of a wheel drive, the internal combustion engine via the drive unit with the transmission or the input element of the
  • Wheel drive is mechanically connectable or connected via the disconnect clutch of the drive unit.
  • the drive arrangement comprises at least one wheel drive shaft which is connected to the output shaft of the transmission
  • Rotary motion can be transmitted through the gearbox to the wheel drive shaft.
  • Internal combustion engine and a first shaft which is rotatably connected to the rotor of the first electrical machine, have a first translation stage for the purpose of translating the speed of the rotary movement realized by the internal combustion engine onto the first shaft.
  • the output element of the internal combustion engine can be a damper unit or a clutch for opening and closing the torque transmission path between the internal combustion engine and the
  • the output element can be a component
  • Another aspect of the present invention is a motor vehicle which has a drive arrangement according to the invention and a motor vehicle cooling system to which the flow system of the drive unit is fluidly coupled via the fluidic interface.
  • FIG. 1 a drive unit according to the invention in a sectional view
  • FIG. 2 a drive unit according to the invention in a perspective view
  • Figure 3 a section of the drive unit shown in Figure 2 in
  • FIG. 4 a top view of the power electronics
  • FIG. 5 the power electronics alone in perspective
  • Figure 6 the drive unit according to the invention and the power electronics before assembly in perspective
  • Figure 7 is a sectional view of the drive unit according to the invention.
  • FIG. 1 shows a drive unit 100 for a drive train of an electrically drivable motor vehicle, in particular a hybrid motor vehicle, which has a first electrical machine 110 and a second electrical machine 120, both of which are arranged on a common axis of rotation 101.
  • the rotor 111 of the first electrical machine 110 is coaxial with the
  • the stator 112 of the first electrical machine 110 and also the stator 122 of the second electrical machine 120 are accommodated in a housing 102 of the drive unit 100.
  • the rotor 111 of the first electrical machine is rotatably connected to a first shaft 130.
  • the rotor 121 of the second electrical machine 120 is connected in a rotationally fixed manner to an output shaft 140, which can also be referred to as a transmission input shaft.
  • the drive unit 100 comprises a disconnect clutch 150, with which the first electrical machine 110 and thus an internal combustion engine connected to the first shaft 130 connected to the rotor 1111 of the first electrical machine 110 can be connected or connected to the output shaft for torque transmission ,
  • the first shaft 130 is made in two parts, namely from a central hollow shaft 132 and one on it
  • the hub 133 forms the radial inside 151 of the separating clutch 150, or is fixedly connected to this input side of the separating clutch 150.
  • the radial outside 152 of the clutch 150 which realizes the output side of the clutch 150, is connected to the output shaft 140 in a rotational test.
  • the disconnect clutch 150 is a switchable clutch that can be switched from an open state to a closed state and vice versa.
  • an actuation system 153 is assigned to the disconnect clutch 150.
  • the two electrical machines 1 10, 120 are arranged in series, the rotors 1 1 1, 121 of the two electrical machines 1 10, 120 or their axes of rotation being arranged coaxially.
  • the first shaft 130 or its central hollow shaft 132 runs radially within the output shaft 140, as a result of which the overall construction volume of the drive unit 100 can be made small.
  • the drive unit 100 shown here comprises a gear 160, which is operatively connected to the output shaft 140 of the drive unit 100, also referred to as a gear input shaft, so that one of the output shaft 140 provided torque or the rotary movement realized by the output shaft 140 can be directed via the gear 160 to a further gear unit of a motor vehicle, or can also be directed directly to the drive wheels of a motor vehicle.
  • a gear 160 which is operatively connected to the output shaft 140 of the drive unit 100, also referred to as a gear input shaft, so that one of the output shaft 140 provided torque or the rotary movement realized by the output shaft 140 can be directed via the gear 160 to a further gear unit of a motor vehicle, or can also be directed directly to the drive wheels of a motor vehicle.
  • this transmission 160 comprises a
  • the transmission 160 comprises a first gear 161, which meshes with an external toothing 141 on the output shaft 140.
  • a second transmission stage 162 is thus implemented in the drive unit 100 by the first gear wheel 161.
  • This first gear wheel 161 is rotatably coupled to a countershaft 163 of the transmission 160, the external toothing 164 of which is in turn connected to an input gear wheel
  • the drive unit 100 is part of a likewise shown
  • Embodiment of a drive arrangement 200 according to the invention Embodiment of a drive arrangement 200 according to the invention.
  • This drive arrangement 200 additionally has one not shown here
  • the drive arrangement 200 shown is designed in such a way that between the connection 210 for an internal combustion engine (not shown here) and the first shaft 130, which is connected in a rotationally fixed manner to the rotor 111 of the first electrical machine 110, a first transmission stage 142 is formed for the purpose of translating the speed of the rotary movement of the internal combustion engine or its connection 210 onto the first shaft 130.
  • an output element 220 of the internal combustion engine is provided, which can have a damper unit 221 or one
  • Coupling 222 for opening and closing the torque transmission path between the internal combustion engine and the drive unit 100, or also a shown combination of a damper unit 221 and a clutch 222.
  • the output element 220 comprises, as a component, an internally toothed gear 223 which meshes with an external toothing 131 of the first shaft 130 and thus realizes a first transmission stage 142.
  • an axis of rotation of the driven element 220 is laterally offset from the axis of rotation 101 of FIG
  • Gear ratio 142 are passed to the first shaft 130, so that the rotor 111 located thereon of the first electrical machine 110 can be set in rotation in order to be operated as a generator.
  • the rotational movement applied can be transmitted from the first shaft 130, possibly reinforced by an electromotive drive by the first electrical machine 110, to the output shaft 140. Due to the rotationally fixed connection of the rotor 122 of the second electrical machine 120 to the output shaft 140, a torque provided by the second electrical machine 120 can also be additionally applied to the output shaft 140.
  • the rotational movement of the output shaft 140 is guided via its external toothing 141 to the first gear 161 of the connected transmission 160, the second transmission stage 162 being realized.
  • Differential gear 170 is fed to this.
  • the torque from the differential gear 170 is not shown here
  • Wheel drive shafts supplied, or if necessary, another gear for increasing or reducing the torque or speed supplied, or if necessary, another gear for increasing or reducing the torque or speed.
  • the drive arrangement 200 shown can be used for a wide variety of purposes
  • FIG. 2 shows a drive unit in a perspective view, in which it can clearly be seen that the power electronics 1, which is located in an electronics housing 3, which is closed with a cover 4, are arranged radially on the outside of the housing 102.
  • connection 5 to a vehicle control unit (not shown here), which can be designed in particular as a so-called CAN connection.
  • vehicle control unit 5 is thus also a control interface for the control connection to the motor vehicle, in which the
  • a heat exchanger 40 which can be designed as a heat exchanger, is also mechanically connected to the power electronics 1.
  • FIG. 3 shows the power electronics again in a perspective view, clearly showing the coolant connection 50, the one
  • This coolant connection 50 includes an inlet 51 in the housing 102 for the inlet of the coolant, and an outlet 52 from the housing 102 for the outlet of the coolant.
  • FIG. 4 shows the power electronics in the assembled state from above, with a first already clearly assigned to the first electrical machine
  • Connecting element 10 can be seen, as well as a second connecting element 20 assigned to the second electrical machine.
  • These connecting elements 10, 20 serve for the mechanical connection and possibly also the
  • the connecting elements 10, 20 can be seen more clearly in FIG.
  • FIG. 1 Perspective representation of the power electronics 1 shows. It can be seen here that the two connecting elements 10, 20 are arranged on the underside of the electronics housing 3, these being sealed off from the electronics housing 3 by a first radial seal 11 and a second radial seal 21.
  • the mounting direction 60 can be seen from FIG. 5, which indicates that the electronics unit 1 is to be placed in the radial direction on the housing 102 of the drive unit 100 during mounting.
  • FIG. 6 essentially shows the assembly process, with the assembly direction 60 again being indicated here in order to show that during assembly the power electronics 1 are approximated in the radial direction to the radial outside 103 of the housing 102, with a direction perpendicular to the axis of rotation in the radial direction 101 is to be understood.
  • the second connecting element 20 engages with one when this movement is carried out along the mounting direction 60
  • FIG. 7 shows the flow system 30 in a section through the drive unit 100. It is defined by a flow path 32 which leads through channels 104 in the housing 102.
  • Coolant 31 is passed through these channels 104.
  • cooling liquid 31 enters the housing 102 through the inlet 51 and then via an inlet 33 into the power electronics 1 or into the Electronics housing 3 arrives.
  • the coolant 31 flowed through there
  • the cooling liquid 31 enters the heat exchanger 40, where heat absorbed by the cooling liquid 31 is given off, preferably onto a further fluid, which is not shown here and also flows through the heat exchanger 40.
  • the cooling liquid 31 (not shown) can be fed to a cooling system of a motor vehicle, in which the drive unit is integrated.
  • Devices are provided for the drive arrangement, which enable individual units of the drive unit to be controlled in an efficient manner and with a small space requirement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
EP19731140.0A 2018-06-20 2019-06-04 Antriebseinheit für einen antriebsstrang eines elektrisch antreibbaren kraftfahrzeugs sowie damit ausgestattete antriebsanordnung und kraftfahrzeug Withdrawn EP3810446A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018114798.8A DE102018114798A1 (de) 2018-06-20 2018-06-20 Antriebseinheit für einen Antriebsstrang eines elektrisch antreibbaren Kraftfahrzeugs sowie damit ausgestattete Antriebsanordnung und Kraftfahrzeug
PCT/DE2019/100489 WO2019242800A1 (de) 2018-06-20 2019-06-04 Antriebseinheit für einen antriebsstrang eines elektrisch antreibbaren kraftfahrzeugs sowie damit ausgestattete antriebsanordnung und kraftfahrzeug

Publications (1)

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EP3810446A1 true EP3810446A1 (de) 2021-04-28

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Country Status (6)

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US (1) US11951974B2 (zh)
EP (1) EP3810446A1 (zh)
KR (1) KR20210022562A (zh)
CN (1) CN112368167A (zh)
DE (2) DE102018114798A1 (zh)
WO (1) WO2019242800A1 (zh)

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DE102020201427A1 (de) 2020-02-06 2021-08-12 Volkswagen Aktiengesellschaft Antriebsvorrichtung für ein Fahrzeug, insbesondere für ein hybridgetriebenes Kraftfahrzeug
KR20220030653A (ko) * 2020-09-03 2022-03-11 현대자동차주식회사 차량의 하이브리드 파워트레인 냉각구조
DE102020215530A1 (de) * 2020-12-09 2022-06-09 Robert Bosch Gesellschaft mit beschränkter Haftung E-Achsen-Modul mit einer elektrischen Maschine

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US20210197795A1 (en) 2021-07-01
CN112368167A (zh) 2021-02-12
WO2019242800A1 (de) 2019-12-26
DE112019003073A5 (de) 2021-05-20
US11951974B2 (en) 2024-04-09
DE102018114798A1 (de) 2019-12-24
KR20210022562A (ko) 2021-03-03

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