WO2021164813A1 - Transmission pour véhicule hybride, procédé de fonctionnement d'une telle transmission et véhicule hybride - Google Patents

Transmission pour véhicule hybride, procédé de fonctionnement d'une telle transmission et véhicule hybride Download PDF

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Publication number
WO2021164813A1
WO2021164813A1 PCT/DE2021/100096 DE2021100096W WO2021164813A1 WO 2021164813 A1 WO2021164813 A1 WO 2021164813A1 DE 2021100096 W DE2021100096 W DE 2021100096W WO 2021164813 A1 WO2021164813 A1 WO 2021164813A1
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WO
WIPO (PCT)
Prior art keywords
transmission
hybrid vehicle
charge
electric motor
combustion engine
Prior art date
Application number
PCT/DE2021/100096
Other languages
German (de)
English (en)
Inventor
Laurent BAYOUX
Matthieu Rihn
Original Assignee
Schaeffler Technologies AG & Co. KG
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Filing date
Publication date
Application filed by Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2021164813A1 publication Critical patent/WO2021164813A1/fr

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    • 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
    • B60K6/48—Parallel 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
    • B60K6/36—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 transmission gearings
    • B60K6/365—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 transmission gearings with the gears having orbital motion
    • 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
    • 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
    • B60K6/383—One-way clutches or freewheel devices
    • 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
    • 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
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • 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
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/12—Controlling the power contribution of each of the prime movers to meet required power demand using control strategies taking into account route information
    • 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
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/13—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • 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
    • B60K2006/381—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 characterized by driveline brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
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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
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    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H2003/445—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion without permanent connection between the input and the set of orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2035—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with two engaging means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2038—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with three engaging means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2066—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes using one freewheel mechanism
    • 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

Definitions

  • the invention relates to a transmission for a hybrid vehicle to spend at least 5 torque between an internal combustion engine, an electric motor and a Getriebeaus gear, comprising a planetary gear located in the torque flow, which can be switched by a control device through several switching mechanisms in several operating modes, of which One mode of operation is a recuperation operation in which the internal combustion engine acts as a driving force and the electric motor in generator operation is provided to charge a functionally connected charge storage device.
  • One mode of operation is a recuperation operation in which the internal combustion engine acts as a driving force and the electric motor in generator operation is provided to charge a functionally connected charge storage device.
  • the invention relates to a hybrid vehicle comprising such a transmission and a method for operating such a transmission.
  • EV modes electrical operating modes at low vehicle speeds
  • ICE modes types of combustion
  • DHT Dedicated hybrid transmissions
  • P2 parallel hybrids are known that work with an electrical machine located between the internal combustion engine and the transmission, with a separating clutch serving to separate the internal combustion engine from the drive train to separate.
  • the operation can take place in the pure electric mode, the electric machine delivering the torque to the transmission 25 and not to the internal combustion engine.
  • the advantage of this hybrid variant is that it is possible to use an existing transmission with an electric motor and a separating clutch to separate the internal combustion engine from the drive train.
  • serial, serial-parallel or power-split hybrids are known from the prior art, in which a generator driven by the internal combustion engine generates electricity that is used to drive an electric motor that drives the vehicle (series operation). These transmissions are also used as power split Called transmission. In most arrangements, however, part of the power of the internal combustion engine is transferred mechanically to the wheels (series parallel operation).
  • EP 3315372 A1 discloses a battery operation and management strategy for DHT transmissions (Dedicated Hybrid Transmission) for four ratios in combustion mode and two electrical ratios. With the transmission proposed here, the hybrid vehicle can only be started with the two electric gears.
  • DHT transmissions Dedicated Hybrid Transmission
  • DE 102016221 045 A1 is known from the prior art, which relates to a gear arrangement for a hybrid vehicle in which a connection for an internal combustion engine, a connection for an electrical machine and a gear part of the gear arrangement are arranged to be coupled to one another.
  • the transmission part includes a simple Ravigneaux planetary gear set with two planetary gears and a single ring gear.
  • the transmission part also has two brakes and two clutches as frictional shifting elements.
  • the publication also discloses a drive arrangement with such a transmission arrangement and in each case an internal combustion engine connected to this and an electrical machine connected to it.
  • Also part of DE 102016221 045 A1 is a method for operating such a drive arrangement and a hybrid vehicle equipped with such a drive arrangement.
  • DE 102016221 045 A1 seems to disclose a concept with two planetary gear sets and four clutch devices to enable up to four forward gears for the internal combustion engine, two gears for the electric motor, one gear of the electrically continuously variable transmission (EVT, Electrically Variable Transmission) and to map a mode for stand charging.
  • EDT Electrically Continuous variable Transmission
  • EP 2 146855 B1 is known from the prior art, which describes a hybrid drive system for a vehicle, comprising a torsional vibration damper arrangement with a primary side to be coupled to a drive shaft of a drive unit for joint rotation about an axis of rotation and with a damper element arrangement via a damper element arrangement with regard to the primary side for torque transmission
  • the secondary side is supported by the primary side and rotatable about the axis of rotation with respect to the primary side, a coupling arrangement with an input area which is coupled or to be coupled to the secondary side for common rotation about the axis of rotation (A), and with an output area that can be coupled to the input area for rotation by frictional engagement , an electric machine, wherein a stator arrangement of the electric machine is carried or to be carried on a stationary assembly and a rotor arrangement of the electric machine is coupled to the output area of the coupling arrangement for common rotation about the axis of rotation, the input area of the coupling arrangement being connected to the secondary side of the torsional vibration damper
  • a torque transmission device comprising: an input shaft, a first planetary gear set which, as first gear elements, has at least one first planet gear for meshing with a first sun gear and with a first ring gear of the first planet gear set and a planet carrier for rotatably supporting we have at least one of the first planetary gears, a second planetary gear set, which as second gear elements at least one second planetary gear for meshing with a second sun gear and with a second ring gear of the second planetary gear set and for meshing with one of the first planetary gears, wherein at least one of the second planetary gears is rotatably supported by the plane carrier, a first braking device designed for releasably securing the second sun gear, and a second braking device designed for releasably securing at least one of the first transmission elements, a first separating clutch, designed for rotary connection of the input shaft with at least one of the first transmission elements, and a
  • DE 102018 130498 A1 which fenbart a gear unit for a hybrid motor vehicle, with a planetary gear, the planet gear is equipped with a first planetary gear set and a second planetary gear set, an electrical machine coupled to a component of the planetary gear and several switching devices, each having a brake or a clutch and adjustable between an activated position and a deactivated position, the switching devices for switching different gear ratios between an input that can be coupled to an internal combustion engine and an output and / or between the electrical machine and the Output are used to act, characterized in that no more than four switching devices for converting at least two different Licher gear ratios in a drive state of the internal combustion engine, at least one gear ratio in a drive state of the electrical machine and at least one gear ratio in a recuperation state of the electrical machine through their activated and deactivated positions are available.
  • the disadvantage of the known prior art is that with repeated starts, for example in urban areas with high traffic, the battery is charged quickly ent.
  • the battery is charged by the electric machine being driven by the internal combustion engine during the standstill phases of the vehicle.
  • Another disadvantage of the known prior art is that the charging phases are often not sufficient to recharge the battery again.
  • the operation of the internal combustion engine at a standstill to charge the battery represents an acoustic impairment.
  • the disadvantages known from the prior art are also intended to be eliminated or at least reduced.
  • At least one first battery protection threshold is stored in the control device, which represents a state of charge of the charge storage device, the control device being set up to control the switching mechanisms when the first battery protection threshold is not reached, so that the drive of the hybrid vehicle is forced by the internal combustion engine, so that the hybrid vehicle is operated in recuperation mode.
  • the switching mechanisms ie the brakes and clutches of the transmission, are switched so that the vehicle is operated in the burner mode.
  • the electric motor runs in generator mode and charges the charge storage device.
  • the control device is thus designed in such a way that it controls the switching mechanisms in such a way that the internal combustion engine causes the internal combustion engine to charge the charge store, that is to say the battery, when the pre-given battery protection threshold is not reached.
  • the impairment of noise when the vehicle is at a standstill is thus minimized and the charge storage device is always controlled in such a way that it is sufficiently charged.
  • the control device of the transmission is so pre-set that when a desired demand for power above an extra power threshold is required, the switching mechanisms are controlled in such a way that the energy of the electric motor is used exclusively or in addition to drive the hybrid vehicle.
  • drive energy is provided by the electric motor when the driver requests additional drive energy that is above the pre-set or the driver-defined extra power threshold.
  • a strategic battery threshold value is also stored in the control device of the transmission, the control device being set up to control the switching mechanisms if the strategic battery threshold value is not reached in such a way that the electric motor for driving the hybrid vehicle can only be operated n times is. This ensures that there is always sufficient charge capacity in the battery to start the hybrid vehicle.
  • the value “n times” is determined by the control device as a function of the stored strategic battery threshold value and other framework conditions, such as a gradient or an incline on which the hybrid vehicle is standing.
  • the transmission and / or the hybrid vehicle includes an incline sensor which is designed to determine the incline on which the vehicle is standing.
  • a higher starting energy is required to start the vehicle on an incline.
  • the strategic battery threshold must be set higher than when starting on a slope.
  • Another boundary condition that is taken into account is the outside temperature and the humidity of the environment.
  • control algorithm is designed so that above a desired additional power threshold, the switching mechanisms are activated by the control device in such a way that the electric motor is operated in a peak range or the internal combustion engine is switched on to operate in a boost range to realize.
  • the peak area is mapped which transfers the additional power reserve of the electric motor to the transmission output.
  • boost mode the internal combustion engine is switched on while driving with the electric motor in order to use its power reserve. This is advantageous, for example, when driving quickly on an incline or when accelerating abruptly.
  • a hybrid vehicle comprises an internal combustion engine, an electric motor and the transmission according to the invention To spend torque at least between the internal combustion engine, the electric motor and the transmission output.
  • the transmission is thus used particularly efficiently and its functions and operating modes can be used to the full.
  • a method for operating the transmission according to the invention for a hybrid vehicle comprising the following steps:
  • the control device activates the switching mechanisms so that the hybrid vehicle is forced to drive the internal combustion engine.
  • the electric motor is operated in generator mode and charges the charge storage device so that the state of charge of the charge storage device rises above the first battery protection threshold again. In this case, operation by the electric motor is possible again.
  • a further preferred method additionally comprises the following steps:
  • control device Activation of the respective switching mechanisms by the control device, so that the energy of the electric motor is used exclusively or in addition to drive the hybrid vehicle.
  • the control device is thus trained det to detect whether the driver wants to mobilize additional power reserves to operate his hybrid vehicle. This desire is detected when the driver puts the accelerator pedal into the kick-down position, for example, or by setting the buttons or programs provided on the vehicle's dashboard so that his desire for more power from the vehicle becomes clear .
  • a preferred method also includes the following steps:
  • Battery threshold value operation of the electric motor to drive the hybrid vehicle is only possible n times.
  • the strategic battery threshold value is provided to ensure that there is always sufficient charge capacity in the charge storage device to start the hybrid vehicle n times. Thus, a safe and smooth operation of the hybrid vehicle is always guaranteed.
  • Fig. 1 is a schematic sectional view of a first, used in a partially provided drive train of a motor vehicle, transmission unit according to a first embodiment
  • FIG. 2 shows a diagram to illustrate all the gears that can be shifted by the transmission unit of FIG. 1,
  • FIG. 3 shows a further schematic sectional illustration of a gear unit according to a second exemplary embodiment
  • Fig. 4 is another diagram to illustrate all of the gear unit of FIG. 3 shiftable gears
  • Fig. 5 is a first schematic view of the state of charge of a Ladungsspei memory
  • FIG. 6 shows a first diagram to illustrate the operating modes in a state of charge corresponding to FIG. 5,
  • Fig. 7 is a second schematic view of the state of charge of a Ladungsspei memory
  • FIG. 8 shows a second diagram to illustrate the operating modes in a state of charge corresponding to FIG. 7,
  • Fig. 9 is a third schematic view of the state of charge of a Ladungsspei memory
  • FIG. 10 shows a third diagram to illustrate the operating modes in a state of charge corresponding to FIG. 9, 11 shows a fourth schematic view of the state of charge of a Ladungsstei memory,
  • FIG. 12 shows a schematic view of a control device and FIG. 13 shows a schematic view of a hybrid vehicle.
  • FIG. 1 A drive train with a transmission 1 of a flybridge vehicle 3 can be clearly seen in FIG. 1.
  • the transmission 1 used in this drive train is implemented as a hybrid transmission and, alternatively, also designated as such.
  • a preferred position of the transmission 1 of the drive train is shown in FIG. 13 in a schematic Darge presented hybrid vehicle, here a car. It can be seen here that the transmission 1 with the drive train is used to act on a front axle of the hybrid vehicle 2 and is acted upon with torque by an internal combustion engine 3.
  • Fig. 1 also shows an electric motor 4 and a Getriebeaus gear 5 of the transmission 1.
  • the transmission 1 has a two-stage Pla designated transmission 6 and the electrical machine 4 that is operatively connected to this planetary transmission.
  • the basic structure of the transmission 1 can be seen particularly well in FIG. 1.
  • the planetary gear 6 has a first planetary gear set 6a, which forms the first gear stage of the planetary gear and which is provided on the right, and a second planetary gear set 6b, which forms the second stage of the planetary gear 6 and which is shown on the left.
  • the first planetary gear set 6a has a first sun gear 20, a first planetary gear set 21 and a first ring gear 22.
  • the second planetary gear set 6b has a second sun gear 23, a second planetary gear set 24 and a second ring gear 25.
  • the planet gears of the first planetary gear set 21 are in meshing engagement with the first sun gear 20 on the one hand and with the first ring gear 22 on the other.
  • the first planetary gear set 21 is rotatably arranged with its individual (first) planetary gears on a first planetary gear carrier 26.
  • the second planetary gear set 24 is rotatably arranged with its individual (second) planetary gears on a second planetary gear carrier 27.
  • the respective planetary gear sets 21, 24 each mesh with the corresponding sun gear 20, 23 and the corresponding ring gear 22, 25.
  • first sun gear 20 is non-rotatably connected to the electric motor 4 and that the first ring gear 22 is non-rotatably connected to the second planetary gear set 24, this connection being fixed to a vehicle frame by a first switching mechanism 8a, here a brake B2 Housing can be fixed.
  • the second sun gear 23 of the second planetary gear set 6b can in turn be fixed to the housing fixed to the vehicle frame by a second switching mechanism 8b, here a brake B1.
  • the second planetary gear carrier 27 can be connected to the internal combustion engine 3 in a rotationally fixed manner via a third switching mechanism 8c, here a clutch K2.
  • the electrical machine 4 typically has a stator and a rotor which is mounted rotatably relative to the stator, the rotor being rotatably received within the stator.
  • the rotor is attached in a rotationally fixed manner to a drive shaft of the electrical machine 4, the drive shaft being connected with its axis of rotation to the first sun gear 20 via a torque output component 28. Consequently, the electrical machine 4 is operatively connected to the first sun gear 20 via the torque output component 28.
  • the electrical machine 4 with its stator / rotor unit is not necessarily coaxial with the central len axis of rotation 28, but can be arranged, for example, with its torque output component 28 coaxially to the central axis of rotation 28.
  • a torsional vibration damper 30 can in principle be integrated in the transmission unit 1 on the part of the internal combustion engine 3.
  • the torsional vibration damper 30 is arranged here between the output shaft of the combustion engine 3 and the input of the transmission 1.
  • the torsional vibration damper 30 can in principle be arranged as part of the transmission 1 or as a separate component and, for example, be designed as a dual mass flywheel or as a hydrodynamic damper.
  • Fig. 1 three switching mechanisms 8a, 8b, 8c are integrated into the transmission 1 in order to implement the individual transmission translations / gears, as shown in the following FIGS. 2 and 4, through their activated or deactivated positions.
  • the first switching mechanism 8a is implemented as a brake B2 and this is between tween the first Flohlrad 22 and the second planet carrier 24 is acting.
  • the second switching mechanism 8b is also implemented as a brake B1.
  • the second switching mechanism 8b is operatively inserted between the sun gear 23 and the area fixed to the vehicle frame.
  • the third switching mechanism 8c is implemented as a clutch K2 and used between the output shaft 31 of the internal combustion engine 3 and the second planet carrier 27 of the second planetary gear set 6b acting. Accordingly, when the flybridge vehicle 2 is in operation, the output shaft 31 of the internal combustion engine 2 is non-rotatably connected to the second planet carrier 27 of the second planetary gear set 6b in the activated position of the third switching mechanism 8c and, in the deactivated position of the second switching mechanism 8c, by the second planetary gear carrier 27 of the second planetary gear set 6b rotatably decoupled, ie free relative to this for rotatable angeord net.
  • the activated position of clutch K2 is a closed clutch position and the deactivated position of clutch K2 is an open clutch position.
  • the electric machine By activating the first brake B2 and by deactivating the brake B1 and by deactivating the clutch K2, the electric machine is operated at a gear ratio 32 of 3.00 in engine mode, the internal combustion engine 3 being deactivated. This represents the second operating mode 9b.
  • the electric machine 4 In the activated state of the brake B1 and in the deactivated state of the brake B2 and in the deactivated state of the clutch K2, the electric machine 4 is operated in motor mode at a gear ratio of 1.571, the internal combustion engine 3 being deactivated. This represents the third operating mode 9c.
  • the electric machine 4 By activating the clutch K2 and deactivating the brake B1 and the brake B2, the electric machine 4 is operated in generator mode and charges the battery. A smaller transmission ratio of 1.50 is brought about, where the internal combustion engine 3 is activated. This is the first operating mode 9a.
  • the electric motor By activating the clutch K2 and by activating the brake B1 and by deactivating the brake B2, the electric motor is operated in generator mode or in engine mode, the internal combustion engine 3 being activated.
  • a fourth operating mode 9d with a transmission ratio of 0.714 is thereby effected.
  • the electric motor By activating the brake B2 as well as by deactivating the brake B1 and by deactivating the clutch K2, the electric motor is operated in motor mode, the internal combustion engine 3 being deactivated.
  • a fifth operating mode 9d is effected with a transmission ratio of 3.00.
  • a sixth operating mode 9f is effected with a transmission ratio of 1.571.
  • the transmission 1 in FIG. 3 corresponds to the transmission 1 in FIG. 1, the third shift mechanism 3 in FIG. 3 being replaced by an overhead clutch in comparison to the clutch K2 in FIG. 1.
  • One-way clutches are characterized by the fact that they only transmit torque in one direction. Freewheel clutches who are also referred to as backstops, overrunning clutches or as switchable freewheels.
  • the diagram in FIG. 4 shows the operating states which can be brought about by the transmission 1 in FIG. 1.
  • the overrunning clutch 8c In the first operating mode 9a and the fourth operating mode 9e, the overrunning clutch 8c is operated in a closed, that is to say a “locked” state.
  • the overrunning clutch 8c In the operating modes 9b, 9c and 9d, the overrunning clutch 8c is operated in an open, that is to say an “unlocked” state.
  • FIG. 5 shows a schematic illustration of the charge storage device 10, various charge states 33 being plotted on the vertical axis.
  • the states of charge 33 are abbreviated to the term SOC (State of Charge). If the SOC value is 0%, the battery is fully discharged and if the state of charge is 100%, the battery is fully charged. In between there are various SOC values, defined between SOC1 and SOC4. The SOC1 value ranges between 0% and 20%. However, this state between 0% and 20% is not used to ensure that the battery is permanent. This is the unusable area 33. In an SOC value between 20% and 25%, a strategic battery threshold value 14 is provided, which has its lower limit at 20% state of charge. With this sem, the hybrid vehicle 2 can only be started with a defined number of start processes.
  • SOC State of Charge
  • the SOC2 value extends in a range between 25% and 40%, with the first battery-saving threshold value 11, which corresponds to the SOC2 state, being at the upper end of this range.
  • the SOC3 value that is to say the middle range, extends between 40% and 80%, the topmost point of this range being the SOC4 value, which is also referred to as the additional performance threshold 15.
  • the uppermost area which is not used to ensure that the battery is durable, extends between 80 and 100%. This is in turn referred to as the unusable area 33.
  • the range between 0 and 20% and the range between 80 and 100% are not displayed to the driver of the hybrid vehicle 2, so this range is not available.
  • the state of charge 12 of the charging memory 10 is located in FIG. 5 in the middle of the SOC3 area. The battery is thus approximately 60% charged. With this state of charge, the transmission 1 is able to map the second operating mode 9b (EM1), the third operating mode 9c (EM2) and the fourth operating mode (ICE4).
  • FIG. 6 shows a force-speed diagram with different Fundzu states that can be carried out with the state of charge 12 according to FIG.
  • the speed in km / h is plotted on the X-axis, see the reference number 19.
  • the force in Newtons [N] is applied to the Y-axis, see the reference number 18.
  • the boost area 17 is located above the EM1 and EM2 areas.
  • the boost area is brought about by the internal combustion engine being connected to the constant drive with the electric motor.
  • Fig. 7 shows the charge storage device 10, the state of charge 12 of the charge storage device 10 being approximately 25% of its full capacity.
  • the first mode of operation 9a i. H.
  • the charge storage device 10 is shown, which is charged up to the state of charge 12, i.e. which is at approx. 20% of the full charge state of the battery; H. below half of the strategic battery threshold value 14 or exactly at the limit of the strategic battery threshold value 14.
  • the first mode of operation i.e. H. the recuperation operation 9a
  • the hybrid vehicle can only be driven n times by the electric motor.
  • the value n times is dependent on the defined level of the strategic battery threshold 14 and other framework conditions, such as, for example, the gradient or the Incline on which the hybrid vehicle is standing, the outside temperature, the humidity or other boundary conditions that depend on the respective area of use.
  • a transmission which additionally includes an EVT mode, i. H. a combustion operation on which a drive of the electric motor can also be acted upon in generator operation.
  • EVT mode i. H. a combustion operation on which a drive of the electric motor can also be acted upon in generator operation.
  • SOC State of Charge
  • the strategies described apply to Dedicated Hybrid Transmission (DHT) with at least two electrical forward gears, one EVT gear and a gear ratio for the combustion engine. At least two electrical gears are used for reversing, in which the electric motor runs in the other direction, i.e. in the reverse direction.
  • rules for the use of the different available ratios or modes are defined, depending on the desired vehicle speed and the desired drive force.
  • FIG. 12 shows a schematic representation of the parameters which act on the control device 7.
  • the control device 7 is designed to process the first battery threshold 11, the state of charge of the charge store 12, the extra power threshold 13, the strategic battery threshold 14 and the additional power threshold 15 as operating parameters. Depending on these parameters, the control device then controls the switching mechanisms 8a, 8b, 8c so that they are controlled using a stored control algorithm and the parameters 11, 12, 13, 14, 15.
  • FIG. 13 shows a schematic representation of a hybrid vehicle 2, comprising a plurality of drive wheels 31 which are driven by a transmission 1 which in turn is driven by the internal combustion engine 3.
  • the internal combustion engine can be designed as a gasoline or diesel engine. Reference list

Abstract

L'invention concerne une transmission (1) pour un véhicule hybride (2) pour transférer un couple au moins entre un moteur à combustion interne (3), un moteur électrique (4) et une sortie de transmission (5), comprenant un train planétaire (6) disposé dans le flux de couple, ledit train planétaire peut être débrayé par une pluralité de mécanismes de débrayage (8a, 8b, 8c) dans une pluralité de modes de fonctionnement (9a, 9b, 9c, 9d, 9e, 9f) parmi lesquels un mode de fonctionnement (9a, 9b, 9c, 9d, 9e, 9f) est un mode de récupération (9a), dans lequel le moteur à combustion interne (3) agit de manière motrice et le moteur électrique (4), en mode générateur, est prévu pour charger un accumulateur de charge connecté de manière fonctionnelle (10), au moins une première valeur de seuil de conservation de batterie (11), qui reflète un état de charge (12) de l'accumulateur de charge (10), étant mémorisée dans le dispositif de commande (7), le dispositif de commande (7) étant conçu pour commander les mécanismes de débrayage (8a, 8b, 8c) lors du passage sous la première valeur de seuil de conservation de batterie (11) de sorte que l'entraînement du véhicule hybride (2) soit mis en œuvre par le moteur à combustion interne (3), de sorte que le véhicule hybride (2) fonctionne en mode de récupération (9a). L'invention porte également sur un véhicule hybride et un procédé de commande correspondants.
PCT/DE2021/100096 2020-02-17 2021-02-02 Transmission pour véhicule hybride, procédé de fonctionnement d'une telle transmission et véhicule hybride WO2021164813A1 (fr)

Applications Claiming Priority (2)

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DE102020104047.4A DE102020104047A1 (de) 2020-02-17 2020-02-17 Getriebe für ein Hybridfahrzeug und Verfahren zum Betrieb eines solchen Getriebes
DE102020104047.4 2020-02-17

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WO2021164813A1 true WO2021164813A1 (fr) 2021-08-26

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EP2146855B1 (fr) 2007-05-24 2012-01-25 ZF Friedrichshafen AG Système de propulsion hybride pour un véhicule
DE102013211975A1 (de) * 2013-02-06 2014-08-07 Bayerische Motoren Werke Aktiengesellschaft Drehmomentüberlagerungseinrichtung für Hybridantrieb sowie Verfahren zum Betreiben eines derartigen Hybridantriebs
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