WO2008050713A1 - Dispositif de sortie de puissance et automobile hybride - Google Patents
Dispositif de sortie de puissance et automobile hybride Download PDFInfo
- Publication number
- WO2008050713A1 WO2008050713A1 PCT/JP2007/070538 JP2007070538W WO2008050713A1 WO 2008050713 A1 WO2008050713 A1 WO 2008050713A1 JP 2007070538 W JP2007070538 W JP 2007070538W WO 2008050713 A1 WO2008050713 A1 WO 2008050713A1
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- Prior art keywords
- gear
- motor
- shaft
- power
- transmission
- Prior art date
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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
- B60K6/22—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
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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
- B60K6/22—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
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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
- B60K6/22—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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- 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
- B60K6/445—Differential gearing distribution type
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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
- B60K6/50—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2054—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed by controlling transmissions or clutches
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- 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
- F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
- F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
- F16H3/728—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path with means to change ratio in the mechanical gearing
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- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/24—Driver interactions by lever actuation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/26—Driver interactions by pedal actuation
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- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
- F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
- F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
- F16H2037/0866—Power split variators with distributing differentials, with the output of the CVT connected or connectable to the output shaft
- F16H2037/0873—Power split variators with distributing differentials, with the output of the CVT connected or connectable to the output shaft with switching, e.g. to change ranges
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- 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
- F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three sets of orbital gears
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- 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
- F16H2200/2041—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with four engaging means
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- 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
- F16H2200/2064—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes using at least one positive clutch, e.g. dog clutch
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- 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
- F16H2200/2097—Transmissions using gears with orbital motion comprising an orbital gear set member permanently connected to the housing, e.g. a sun wheel permanently connected to the housing
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- 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
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to a power output device that outputs power to a drive shaft and a hybrid vehicle including the same.
- the two output elements of the planetary gear device are respectively fixed to the inner periphery of the corresponding rotor of the electric drive unit.
- a power distribution mechanism including an input element connected to the internal combustion engine, a reaction force element connected to the first motor 'generator, and an output element connected to the second motor' generator, and an output member
- two clutches for selectively connecting the axle shaft as an output element and a reaction force element of the power distribution mechanism (see, for example, Patent Document 3).
- the reaction force element of the power distribution mechanism is connected to the output member and the connection between the output element and the output member is released.
- the two clutches are controlled, thereby suppressing the occurrence of power circulation that drives the first motor 'generator by the electric power generated by the second motor' generator using a part of the power of the output member.
- Patent Document 1 JP 2005-155891 A
- Patent Document 2 Japanese Patent Laid-Open No. 2003-106389
- Patent Document 3 Japanese Patent Laid-Open No. 2005-125876
- the power output apparatus as described above outputs the required power to the drive shaft while converting the torque from the internal combustion engine with two electric motors, thereby efficiently driving the internal combustion engine.
- the force structure that makes it possible to drive is complicated and difficult to downsize! /, Which has some problems in terms of mounting on vehicles.
- a power output apparatus includes:
- a power output device that outputs power to a drive shaft
- a first electric motor that can input and output power
- a second electric motor that can input and output power
- a power distribution and integration mechanism configured such that the elements can be differentially rotated with each other, an input element, a fixed element, and an output element connected to the drive shaft, and configured so that these three elements can be differentially rotated with respect to each other. Any one or both of the shifted differential rotation mechanism and the first and second elements of the power distribution and integration mechanism are selectively coupled to the input element of the shift differential rotation mechanism.
- Variable speed transmission means including possible coupling means;
- This power output apparatus has an input element, a fixed element, and an output element connected to the drive shaft, and is configured so that these three elements can be differentially rotated with each other.
- a transmission mechanism comprising: a rotation mechanism; and a connection means capable of selectively connecting one or both of the first element and the second element of the power distribution and integration mechanism to the input element of the differential rotation mechanism for speed change.
- Such transmission means can be configured with relatively few parts, has a simple and compact configuration, and is excellent in mountability. Further, in this power output device, if either one of the first and second elements of the power distribution and integration mechanism is connected to the input element of the transmission differential rotation mechanism by the connecting means of the transmission transmission means, the power distribution and integration is performed.
- the power from the first or second element of the mechanism can be output to the drive shaft after being shifted by the differential rotation mechanism for shifting. Further, in this power output device, the power from the internal combustion engine is fixed if both the first and second elements of the power distribution and integration mechanism are connected to the input elements of the transmission differential rotation mechanism by the connection means of the transmission transmission means.
- the transmission ratio can be transmitted mechanically (directly) to the drive shaft.
- the first element of the power distribution and integration mechanism when the first element of the power distribution and integration mechanism is connected to the input element of the transmission differential rotation mechanism by the connecting means of the speed change transmission means, it is connected to the first element as the output element.
- the first motor can function as a motor
- the second motor connected to the second element as a reaction force element can function as a generator.
- the second element of the power distribution and integration mechanism is connected to the input element of the transmission differential rotation mechanism by the connecting means of the transmission transmission means, the second motor connected to the second element serving as the output element is And the first motor connected to the first element as the reaction force element can function as a generator.
- the second or the second functioning as a power generator functions especially when the rotation speed of the first or second motor that functions as an electric motor is increased by appropriately switching the connection state by the connecting means. Generation of so-called power circulation can be suppressed by preventing the rotation speed of the first motor from becoming a negative value.
- this power output apparatus it is possible to improve the power transmission efficiency satisfactorily in a wider operating range.
- the transmission differential rotation mechanism of the transmission transmission means may be a three-element planetary gear mechanism.
- the transmission means can be configured more compactly.
- first and second electric motors are arranged substantially coaxially with the internal combustion engine, and
- the force distribution and integration mechanism may be disposed substantially coaxially with both motors between the first motor and the second motor.
- the power output apparatus when the internal combustion engine, the first and second electric motors, and the power distribution and integration mechanism are arranged substantially coaxially, the power output apparatus according to the present invention provides the first and second power distribution integration mechanisms.
- a hollow shaft connected to one of the two elements and extending toward the transmission transmission means, and connected to the other of the first and second elements and through the hollow shaft toward the transmission transmission means
- the transmission means of the speed change transmission means may further include a connecting shaft extending in the direction, and either or both of the hollow shaft and the connecting shaft are used as the input element of the differential rotation mechanism for speed change. It may be selectively connectable.
- the power from the first element and the power from the second element of the power distribution and integration mechanism can be output substantially coaxially and in the same direction, so that the shift transmission means can be used as the internal combustion engine or the first and second motors.
- the shift transmission means can be used as the internal combustion engine or the first and second motors.
- it can be arranged substantially coaxially with the power distribution and integration mechanism. Therefore, such a configuration is extremely suitable for a vehicle that travels mainly by driving the rear wheels.
- connection means of the transmission transmission means is the rotating shaft of the first and second electric motors.
- a transmission shaft connected to the input element of the differential rotation mechanism for shifting, a first parallel shaft gear train connected to the first element, and a second element.
- a second parallel-shaft gear train to be coupled; a first element coupled state in which the first parallel-shaft gear train and the transmission shaft are coupled; and the second parallel-shaft gear train and the transmission shaft.
- Switching means may be included.
- the connecting means of the speed change transmission means includes the transmission shaft, two sets of parallel shaft type gear trains, and a switching means, the switching means and the speed changing differential rotation mechanism are arranged around the transmission shaft.
- the power output device can be configured as a two-shaft type. Even if the internal combustion engine, the first and second motors, and the power distribution and integration mechanism are arranged almost coaxially, the shaft of the power output device can be obtained. The increase in the direction (width direction dimension) can be suppressed. Therefore, this power output device is compact and has excellent mountability. This is extremely suitable for a vehicle that is driven to travel. If the first or second element of the power distribution and integration mechanism is connected to the transmission shaft via a parallel shaft gear train, the transmission ratio between the first or second element and the transmission shaft can be set freely. It is also possible to do.
- the power output apparatus may further include a fixing means capable of fixing any one of the rotating shaft of the first electric motor and the rotating shaft of the second electric motor so as not to rotate.
- a fixing means capable of fixing any one of the rotating shaft of the first electric motor and the rotating shaft of the second electric motor so as not to rotate.
- the first or second element of the power distribution and integration mechanism connected to the first or second electric motor not corresponding to the fixing means is connected to the transmission transmission means via the transmission differential rotation mechanism. If the rotating shaft of the second or first electric motor corresponding to the fixing means is fixed to be non-rotatable by the fixing means when connected to the drive shaft, the power from the internal combustion engine is driven at a fixed gear ratio. (Directly) can be transmitted to the drive shaft. Therefore, according to this power output device, it is possible to improve the power transmission efficiency in a wider range of operation.
- the power output apparatus includes a connection between the first electric motor and the first element, a release of the connection, a connection between the second electric motor and the second element, and connection of the connection.
- a connection / disconnection means capable of executing any one of the release and the connection between the internal combustion engine and the third element and the release of the connection may be further provided.
- the power output device having such connection / disconnection means if the connection / disconnection means releases the connection, the internal combustion engine is substantially made to function as the first and second electric motors by the function of the power distribution and integration mechanism. And can be separated from the transmission means.
- this power output device when the connection / disconnection means releases the connection and stops the internal combustion engine, the power from at least one of the powers of the first and second motors is changed by the transmission transmission means. Thus, it is possible to efficiently transmit to the drive shaft. Therefore, according to this power output device, it is possible to reduce the maximum torque required for the first and second motors, and the force S can be further reduced in size of the first and second motors. .
- one of the first and second elements of the power distribution and integration mechanism to which a larger torque is input from the third element connected to the engine shaft is the first motor or
- the second electric motor may be connected to the first electric motor or the second electric motor via a decelerating means that decelerates the rotation of the rotating shaft of the second electric motor.
- the power distribution and integration mechanism includes a sun gear, a ring gear, and a carrier that holds at least one set of two pinion gears that mesh with each other and one of the sun gear and the other meshes with the ring gear.
- a double pinion type planetary gear mechanism wherein the first element is one of the sun gear and the carrier, the second element is the other of the sun gear and the carrier, and the third element is the ring gear. It may be.
- the power distribution and integration mechanism is such that p ⁇ 0.5 when the gear ratio of the power distribution and integration mechanism, which is a value obtained by dividing the number of teeth of the sun gear by the number of teeth of the ring gear, is p.
- the speed reduction means is configured such that the speed reduction ratio is a value in the vicinity of p / (1- P ) and is disposed between the first motor or the second motor and the carrier. Also good. In such a power distribution and integration mechanism of various specifications, the distribution ratio of torque from the internal combustion engine to the carrier is larger than that of the sun gear. Therefore, by disposing the speed reduction means between the carrier and the first or second electric motor, it is possible to reduce the size of the first or second electric motor and reduce its power loss. In addition, if the reduction ratio of the reduction means is set to a value in the vicinity of p / (1-p), the specifications of the first and second motors can be made substantially the same. In addition to improving productivity, costs can be reduced.
- the power distribution and integration mechanism which is a double pinion planetary gear mechanism, has a value obtained by dividing the number of teeth of the sun gear by the number of teeth of the ring gear, where P is the gear ratio of the power distribution and integration mechanism.
- the reduction means is configured such that the reduction ratio is a value in the vicinity of (1 ⁇ ) / ⁇ , and the first motor or the It may be arranged between the second electric motor and the sun gear.
- the power distribution and integration mechanism is a single pinion planetary gear mechanism including a sun gear, a ring gear, and a carrier that holds at least one pinion gear that meshes with both the sun gear and the ring gear.
- the first element is the sun gear and front One of the ring gears
- the second element is the other of the sun gear and the ring gear
- the third element is the carrier
- the number of teeth of the sun gear is divided by the number of teeth of the ring gear.
- the torque distribution ratio from the internal combustion engine to the ring gear is larger than that of the sun gear. Therefore, by arranging a reduction gear between the ring gear and the first or second electric motor, it is possible to reduce the size of the first or second electric motor and reduce its power loss. Furthermore, if the reduction ratio of the reduction means is set to a value in the vicinity of p, the specifications of the first and second motors can be made substantially the same, which improves the productivity of the power output device. Cost can be reduced.
- a hybrid vehicle includes any one of the power output devices described above, and includes drive wheels that are driven by power from the drive shaft.
- the power output device mounted on this hybrid vehicle is simple and compact, has excellent mountability, and can improve power transmission efficiency in a wider driving range. And running performance can be improved satisfactorily.
- FIG. 1 is a schematic configuration diagram of a hybrid vehicle 20 according to an embodiment of the present invention.
- FIG. 2 Dynamic distribution / integration mechanism for changing the transmission gear ratio of the transmission 60 in the upshifting direction according to changes in the vehicle speed when the hybrid vehicle 20 of the embodiment is driven with the operation of the engine 22.
- 4 is an explanatory diagram illustrating the relationship between the rotational speed and torque of main elements of the transmission 60.
- FIG. 3 is an explanatory view similar to FIG.
- FIG. 4 is an explanatory view similar to FIG.
- FIG. 5 is an explanatory view similar to FIG.
- FIG. 6 is a chart showing the setting states of clutch positions of clutch CO, brake B0, and clutch C1 of speed changer 60 during travel of hybrid vehicle 20 of the embodiment.
- FIG. 6 is an explanatory diagram showing an example of a collinear diagram showing the relationship between the rotational speed and torque in each element of the power distribution and integration mechanism 40 and each element of the reduction gear mechanism 50.
- FIG. 8 Co-represents the relationship between the rotational speed and torque of each element of the power distribution and integration mechanism 40 and each element of the reduction gear mechanism 50 when the motor MG2 functions as a generator and the motor MG1 functions as an electric motor. It is explanatory drawing which shows an example of a diagram.
- FIG. 9 is an explanatory diagram for explaining a motor travel mode in the hybrid vehicle 20 of the embodiment.
- FIG. 10 is a schematic configuration diagram of a hybrid vehicle 20A according to a modification.
- FIG. 11 is a table showing clutch CO ′, brake B 0 ′, clutch positions of clutches Cla and Clb of transmission 60A, etc., when the hybrid vehicle 20A according to a modified example is running.
- FIG. 12 is a schematic configuration diagram of a hybrid vehicle 20B according to a modification.
- FIG. 13 is a schematic configuration diagram of a hybrid vehicle 20C according to a modification.
- FIG. 1 is a schematic configuration diagram of a hybrid vehicle 20 according to an embodiment of the present invention.
- the hybrid vehicle 20 shown in the figure is configured as a rear-wheel drive vehicle, and includes an engine 22 disposed at the front of the vehicle and a dynamic power distribution and integration mechanism connected to a crankshaft 26 that is an output shaft of the engine 22 ( (Differential rotation mechanism) 40, a motor MG1 capable of generating electricity connected to the power distribution and integration mechanism 40, and the motor MG1 and the motor MG1 are arranged coaxially and connected to the power distribution and integration mechanism 40 via the reduction gear mechanism 50.
- (Differential rotation mechanism) 40 a motor MG1 capable of generating electricity connected to the power distribution and integration mechanism 40
- the motor MG1 and the motor MG1 are arranged coaxially and connected to the power distribution and integration mechanism 40 via the reduction gear mechanism 50.
- a motor MG2 capable of generating electricity
- a transmission 60 that can shift the power from the power distribution and integration mechanism 40 and transmit it to the drive shaft 66
- a hybrid electronic control unit hereinafter referred to as “the hybrid vehicle 20”.
- the engine 22 is an internal combustion engine that outputs power by being supplied with hydrocarbon fuel such as gasoline or light oil.
- the engine control unit (hereinafter referred to as an "engine ECU") 24 is configured to Control of ignition timing, intake air volume, etc.
- the engine ECU 24 is provided for the engine 22 and detects each operating state of the engine 22. A signal from the seed sensor is input.
- the engine ECU 24 communicates with the hybrid ECU 70 and controls the operation of the engine 22 based on the control signal from the hybrid ECU 70, the signal from the sensor, and the like, and data on the operation state of the engine 22 as necessary. Output to hybrid ECU70.
- the motor MG1 and the motor MG2 are both configured as well-known synchronous generator motors that operate as a generator and can operate as an electric motor, and are batteries 35 that are secondary batteries via inverters 31 and 32. And exchange power.
- a power line 39 connecting the inverters 31 and 32 and the battery 35 is configured as a positive and negative bus shared by the inverters 31 and 32, and is generated by one of the motors MG1 and MG2. Electric power can be consumed by the other motor. Therefore, the notch 35 is charged / discharged by the electric power generated by the motor M Gl or MG2 or the insufficient power, and charging / discharging is performed if the power balance is balanced by the motors MG1 and MG2. It will not be done.
- the motors MG1 and MG2 are both driven and controlled by a motor electronic control unit (hereinafter referred to as “motor ECU”) 30.
- the motor ECU 30 includes signals necessary for driving and controlling the motors MG1 and MG2, such as signals from rotational position detection sensors 33 and 34 for detecting the rotational positions of the rotors of the motors MG1 and MG2, and current sensors (not shown).
- the phase current applied to the motors MG1 and MG2 detected by the above is input, and the motor ECU 30 outputs switching control signals to the inverters 31 and 32.
- the motor ECU 30 executes a rotation speed calculation routine (not shown) based on signals input from the rotation position detection sensors 33 and 34, and calculates the rotation speeds Nml and Nm2 of the rotors of the motors MG1 and MG2.
- the motor ECU 30 communicates with the hybrid ECU 70, and drives and controls the motors MG1 and MG2 based on control signals from the hybrid ECU 70, and data on the operating state of the motors MG1 and MG2 as necessary. Output to.
- the battery 35 is managed by a battery electronic control unit (hereinafter referred to as “battery ECU”) 36.
- the battery ECU 36 has signals necessary for managing the battery 35, for example, the voltage between terminals from a voltage sensor (not shown) installed between the terminals of the battery 35, and the power connected to the output terminal of the battery 35. Current not shown attached to line 39 The charge / discharge current from the sensor, the battery temperature Tb from the temperature sensor 37 attached to the battery 35, etc. are input.
- the battery ECU 36 outputs data on the state of the battery 35 to the hybrid ECU 70 and the engine ECU 24 by communication as necessary. Further, the battery ECU 36 calculates the remaining capacity SOC based on the integrated value of the charging / discharging current detected by the current sensor in order to manage the battery 35.
- the power distribution and integration mechanism 40 is housed in a transmission case (not shown) together with the motors MG1 and MG2, the reduction gear mechanism 50, and the transmission 60, and is arranged coaxially with the crankshaft 26 at a predetermined distance from the engine 22.
- the power distribution and integration mechanism 40 of the embodiment includes a sun gear 41 of an external gear, a ring gear 42 of an internal gear arranged concentrically with the sun gear 41, and one of them is a sun gear 41 and the other is a ring gear.
- the first pin is a double pinion type planetary gear mechanism configured to be capable of differential rotation with each other.
- the power distribution and integration mechanism 40 is configured such that the gear ratio p (the value obtained by dividing the number of teeth of the sun gear 41 by the number of teeth of the ring gear 42) is p ⁇ 0.5.
- the sun gear 41 which is the second element of the power distribution and integration mechanism 40, includes a hollow sun gear shaft 41a that extends from the sun gear 41 to the side opposite to the engine 22 (rear side of the vehicle) to form a series of hollow shafts and a hollow gear.
- the first motor shaft 46 is connected to a motor MG1 (hollow rotor) as a second electric motor.
- the carrier 45 which is the first element, includes a reduction gear mechanism 50 disposed between the power distribution and integration mechanism 40 and the engine 22 and a hollow first extension extending from the reduction gear mechanism 50 (sun gear 51) toward the engine 22.
- a motor MG2 (hollow rotor) as a first electric motor is connected via a two-motor shaft (second shaft) 55.
- the crankshaft 26 of the engine 22 is connected to the ring gear 42 as the third element via a ring gear shaft 42a and a damper 28 extending through the second motor shaft 55 and the motor MG2.
- the reduction gear mechanism 50 includes an external gear sun gear 51, an internal gear ring gear 52 disposed concentrically with the sun gear 51, and a plurality of pinion gears 53 that mesh with both the sun gear 51 and the ring gear 52.
- a single pinion type planetary gear mechanism including a carrier 54 that holds a plurality of pinion gears 53 so as to rotate and revolve.
- the gear mechanism 50 has a reduction ratio (the number of teeth of the sun gear 51 / the number of teeth of the ring gear 52) that is close to p / (1-p) when the gear ratio of the power distribution and integration mechanism 40 is p. Is configured.
- the sun gear 51 of the reduction gear mechanism 50 is connected to the rotor of the motor MG2 via the second motor shaft 55 described above. Further, the ring gear 52 of the reduction gear mechanism 50 is fixed to the carrier 45 of the power distribution integration mechanism 40, whereby the reduction gear mechanism 50 is substantially integrated with the power distribution integration mechanism 40.
- the carrier 54 of the reduction gear mechanism 50 is fixed to the transmission case. Therefore, by the action of the reduction gear mechanism 50, the power from the motor MG2 is decelerated and input to the carrier 45 of the power distribution and integration mechanism 40, and the power from the carrier 45 is increased and input to the motor MG2. Will be. If the reduction gear mechanism 50 is arranged between the motor MG2 and the power distribution and integration mechanism 40 and integrated with the power distribution and integration mechanism 40 as in the embodiment, the power output device becomes more compact. ⁇
- a clutch CO (connection / disconnection means) is provided between the sun gear shaft 41a and the first motor shaft 46 for connecting and releasing the connection.
- the clutch CO includes, for example, a dog fixed to the tip of the sun gear shaft 41a via an engagement member driven by an electric, electromagnetic or hydraulic actuator 100 and a first motor shaft 46. It is configured as a dog clutch that can be connected to the dog fixed to the tip of the dog with less loss and to release the connection between the two.
- the function of the power distribution and integration mechanism 40 allows the engine 22 to be substantially disconnected from the motors MGl and MG2 and the transmission 90.
- a brake B0 that functions as a fixing means capable of fixing the second motor shaft 55, which is the rotation shaft of the motor MG2, so as not to rotate.
- the brake B0 includes, for example, a dog fixed to the carrier 45 and a fixing dog fixed to the transmission case via an engagement member driven by an electric, electromagnetic or hydraulic actuator 102. It is configured as a dog clutch that can be connected with less loss and can be disconnected.
- Carrier 45 dog and transmission case side by brake B0 When the fixed dog is connected, the carrier 45 becomes non-rotatable, so the function of the power distribution integrated mechanism 40 prevents the sun gear 51 of the reduction gear mechanism 50 and the second motor shaft 55 (motor MG 2) from rotating. It becomes possible to fix to.
- the first motor shaft 46 that can be connected to the sun gear 41 of the power distribution and integration mechanism 40 via the clutch CO in this way further extends from the motor MG1 to the opposite side (rear side of the vehicle) from the engine 22. And can be connected to the transmission 60.
- a carrier shaft (connecting shaft) 45a extends from the hollow sun gear shaft 41a and the first motor shaft 46 to the opposite side of the engine 22 (rear of the vehicle).
- the carrier shaft 45a can also be connected to the transmission 60.
- the power distribution and integration mechanism 40 is disposed coaxially with the motors MG1 and MG2 between the motor MG1 and the motor MG2 disposed coaxially with each other, and the engine 22 is disposed coaxially with the motor MG2. At the same time, it faces the transmission 60 across the power distribution and integration mechanism 40.
- the components of the power output device such as the engine 22, the motors MG1, MG2, the power distribution and integration mechanism 40, and the transmission 60 are the engine 22, the motor MG2, (the reduction gear mechanism 50),
- the power distribution and integration mechanism 40, the motor MG1, and the transmission 60 are arranged in the order of coaxial.
- the power output device can be made compact and suitable for the hybrid vehicle 20 that travels mainly by driving the rear wheels with excellent mountability.
- the transmission 60 includes a transmission differential rotation mechanism 61 that is a single pinion planetary gear mechanism (deceleration mechanism) capable of decelerating and outputting input power at a predetermined reduction ratio, and a clutch as a coupling means. Including C1.
- the transmission differential rotation mechanism 61 holds a sun gear 62 as an input element, a ring gear 63 as a fixed element arranged concentrically with the sun gear 62, and a plurality of pinion gears 64 that mesh with both the sun gear 62 and the ring gear 63.
- the sun gear 62, the ring gear 63, and the carrier 65 can be differentially rotated with each other. As shown in FIG.
- the ring gear 63 of the transmission differential rotation mechanism 61 is fixed to the transmission case so as not to rotate.
- a drive shaft 66 extending toward the rear of the vehicle is connected to the carrier 65 of the transmission differential rotation mechanism 61, and the drive shaft 66 is connected to a rear wheel 69a as a drive wheel via a differential gear 68. , 69b.
- the clutch CI is configured to change either or both of the carrier shaft 45a extended from the carrier 45, which is the first element of the power distribution and integration mechanism 40, and the sun gear 41, which is the second element.
- the sun gear 62 as an input element of the mechanism 61 can be selectively connected.
- the clutch C1 includes, for example, a dog fixed to one end (right end in the figure) of the carrier shaft 45a, a dog fixed to one end (right end in the figure) of the first motor shaft 46, and the sun gear 62 to the vehicle.
- a dog clutch comprising a dog fixed to the sun gear shaft 62a extending forward, and an engaging member that can be engaged with these dogs and driven by an electric, electromagnetic, or hydraulic actuator 101 Then, as shown in FIG. 1, the clutch which is the position of the engaging member can be changed.
- the clutch position of the clutch C1 of the embodiment when the clutch position of the clutch C1 of the embodiment is set to the R position, the dog of the carrier shaft 45a and the dog of the sun gear shaft 62a are connected with less loss through the engaging member, and thereby the carrier shaft
- the carrier 45 which is the first element of the power distribution and integration mechanism 40, and the drive shaft 66 are connected via the differential rotation mechanism 61 for shifting 45a and the transmission (hereinafter, the connection state by the clutch C1 is appropriately 1 element connected state).
- the clutch position of the clutch C1 when the clutch position of the clutch C1 is set to the M position, the dog of the carrier shaft 45a, the dog of the sun gear shaft 62a, and the dog of the first motor shaft 46 are connected with less loss via the engaging member.
- both the carrier shaft 45a and the first motor shaft 46 that is, both the carrier 45 and the sun gear 41 of the power distribution and integration mechanism 40 are connected to the drive shaft 66 via the transmission differential rotation mechanism 61 (
- a connected state by the clutch C1 is appropriately referred to as a “third connected state”.
- the hybrid ECU 70 is configured as a microprocessor centered on the CPU 72.
- a ROM 74 that stores a processing program
- a RAM 76 that temporarily stores data
- an input / output port (not shown)
- Hive Ridge ECU 70 has an ignition signal from start switch 80, a shift position SP from shift position sensor 82 that detects shift position SP, which is the operating position of shift lever 81, and the amount of depression of accelerator pedal 83
- Detected accelerator pedal position sensor 84 Accelerator opening Acc, Brake pedal 85
- Brake pedal position sensor 86 Detect brake pedal position BP
- Vehicle speed sensor 87 Vehicle speed V Input via input port Is done.
- the hybrid ECU 70 is connected to the engine ECU 24, the motor ECU 30, and the battery ECU 36 via a communication port, and exchanges various control signals and data with the engine ECU 24, the motor ECU 30, and the battery ECU 36. Yes. Also, the actuators 100, 101, and 102 that drive the brake B0, the clutch CO, and the clutch C1 of the transmission 60 are also controlled by the hybrid ECU 70.
- FIGS. 2 to 5 show power distribution when the speed ratio of the transmission 60 is changed in the upshift direction in accordance with the change in the vehicle speed when the hybrid vehicle 20 is driven with the operation of the engine 22.
- FIG. 5 is an explanatory diagram illustrating the relationship between the rotational speed and torque of main elements of the integrated mechanism 40 and the transmission 60.
- FIG. 6 is a chart showing the clutch CO and brake B0 and the clutch position setting of the clutch C1 of the transmission 60 when the hybrid vehicle 20 is running.
- the motors MG1, MG2 are controlled by the ECU 30, and the actuators 100, 101, 102 (clutch CO, clutch Cl of the transmission 60, brake B0) are directly controlled by the hybrid ECU 70. 2 to 5, the S axis represents the rotation speed of the sun gear 41 of the power distribution and integration mechanism 40 (motor MG1, ie, the rotation speed Nml of the first motor shaft 46), and the R axis represents the power distribution and integration mechanism 40.
- the rotation speed of the ring gear 42 (the rotation speed Ne of the engine 22), the C axis the rotation speed of the carrier 45 of the power distribution and integration mechanism 40 (the rotation speed of the carrier gear 45a and the ring gear 52 of the reduction gear mechanism 50), and the 54 axis Deceleration gear mechanism 50 carrier 54 rotation speed, 51 axis is reduction gear mechanism 50 sun gear 51
- the rotation speed (motor MG2, that is, the rotation speed Nm2 of the second motor shaft 55) is shown.
- the 62 axis represents the rotation speed of the sun gear 62 of the transmission differential rotation mechanism 61 of the transmission 60
- the 65 and 66 axes represent the rotation speed of the carrier 65 and the drive shaft 66 of the transmission differential rotation mechanism 61. Indicates the rotation speed of the ring gear 63 of the differential rotation mechanism 61 for shifting.
- the brake B0 When the hybrid vehicle 20 is driven with the operation of the engine 22, the brake B0 is basically deactivated (off) and the clutch CO is connected, so that the motor MG1, that is, the first motor shaft 46 is the sun gear shaft. It is connected to the sun gear 41 of the power distribution and integration mechanism 40 via 41a.
- the clutch C1 of the transmission 60 When the vehicle speed V of the hybrid vehicle 20 is relatively low, the clutch C1 of the transmission 60 is set to the R position (see FIG. 6).
- this state is referred to as a “first shift state (first speed)” of the transmission 60 (FIG. 2).
- the carrier 45 as the first element of the power distribution and integration mechanism 40 is connected to the drive shaft 66 via the carrier shaft 45a, the clutch C1, and the speed change differential rotation mechanism 61.
- the carrier 45 of the power distribution and integration mechanism 40 serves as an output element
- the motor MG2 connected to the carrier 45 via the reduction gear mechanism 50 functions as an electric motor.
- the power distribution and integration mechanism 40 distributes the power from the engine 22 input via the ring gear 42 to the sun gear 41 side and the carrier 45 side according to the gear ratio p, and the power from the engine 22 is also distributed. And the power from the motor MG2, which functions as an electric motor, are integrated and output to the carrier 45 side.
- a mode in which the motor MG1 functions as a generator and the motor MG2 functions as an electric motor is referred to as a “first torque conversion mode”.
- FIG. 7 shows an example of a collinear diagram showing the relationship between the rotational speed and torque in each element of the power distribution and integration mechanism 40 and each element of the reduction gear mechanism 50 in the first torque conversion mode.
- the S axis, R axis, C axis, 54 axis and 51 axis are the same as those in FIGS. 2 to 5, p is the gear ratio of the power distribution and integration mechanism 40, and is the deceleration gear. The reduction ratio of mechanism 50 is shown respectively.
- thick arrows indicate the torque acting on each element. When the arrow is upward in the figure, the torque value is positive, and when the arrow is downward in the figure, the torque value is Is negative (same for Figures 2 to 5, 8, and 9). Under the first torque conversion mode, the power from the engine 22 Torque is converted by the force distribution integration mechanism 40 and the motors MG1 and MG2 and output to the carrier 45.
- the gear ratio P X ( Based on the gear ratio ⁇ / (1 + ⁇ X)) based on Fig. 2, the gear is decelerated and output to the drive shaft 66.
- the power distribution and integration mechanism Forty second sun gear 41 which is the second element, is connected to drive shaft 66 via sun gear shaft 41a, first motor shaft 46, clutch C1, and transmission differential rotation mechanism 61.
- the sun gear 41 of the power distribution and integration mechanism 40 serves as an output element
- the motor MG1 connected to the sun gear 41 functions as an electric motor and serves as a reaction force element. 45 It becomes possible to drive and control the motors MG1 and MG2 so that the motor MG2 connected to 5 functions as a generator.
- the power distribution and integration mechanism 40 distributes the power from the engine 22 input via the ring gear 42 to the sun gear 41 side and the carrier 45 side according to the gear ratio p, and The power from the motor MG 1 that functions as an electric motor is integrated and output to the sun gear 41 side.
- the mode in which the motor MG2 functions as a generator and the motor MG1 functions as an electric motor is referred to as a “second torque conversion mode”.
- FIG. 8 shows an example of a collinear diagram showing the relationship between the rotational speed and torque in each element of the power distribution and integration mechanism 40 and each element of the reduction gear mechanism 50 in the second torque conversion mode.
- the reference numerals in FIG. 8 are the same as those in FIG.
- the power from the engine 22 is torque-converted by the power distribution and integration mechanism 40 and the motors MG1 and MG2 and output to the sun gear 41 to control the rotational speed of the motor MG2.
- the ratio between the rotational speed of the engine 22 and the rotational speed of the sun gear 41, which is an output element, can be continuously and continuously changed.
- the power output to the sun gear 41 is transmitted to the sun gear 62 of the transmission differential rotation mechanism 61 via the sun gear shaft 41a, the first motor shaft 46, and the clutch C1, and the transmission differential rotation mechanism 61.
- the gear ratio p / X based on the gear ratio p X is changed (decelerated) and output to the drive shaft 66.
- the motor MG2 and the second motor shaft The rotational speed of the carrier 45, which is the first element of the power distribution unit 55 and the power distribution and integration mechanism 40, approaches zero.
- the second motor shaft 55 (motor MG2) and the carrier 45 can be fixed to be non-rotatable by operating (turning on) the brake B0.
- the first motor shaft 46 is connected to the transmission differential rotation mechanism 61 by the clutch C1
- the second motor shaft 55 and the carrier 45 are fixed to be non-rotatable by the brake B0.
- the motors MG1 and MG2 will run idle without performing both the running and regeneration, and the power (torque) from the engine 22 will be
- the gear is shifted at a fixed (constant) gear ratio (speed ratio based on the gear ratio p of the power distribution and integration mechanism 40 and the gear ratio p X of the differential rotation mechanism 61 for transmission) without conversion to energy. Then, it is directly transmitted to the drive shaft 66.
- the clutch CO connected in this manner, the second motor shaft 55 and the carrier 45 are connected by the brake B0 while the first motor shaft 46 is connected to the transmission differential rotation mechanism 61 by the clutch C1 of the transmission 60.
- the mode in which rotation is fixed is also referred to as “simultaneous engagement mode”.
- the state shown in FIG. 5 is referred to as “second speed fixed state”. It should be noted that when changing the gear ratio of the transmission 60 in the shift-down direction, the procedure reverse to the above description may be basically executed.
- the first torque conversion mode and the second torque conversion mode are alternately switched in accordance with the switching between the first and second shift states of the transmission 60.
- the rotational speed Nm2 or Nml of the motor MG2 or MG1 that functions as the motor increases, the rotational speed Nml or Nm2 of the motor MG1 or MG2 that functions as the generator can be prevented from becoming a negative value. Therefore, in the hybrid vehicle 20, the motor MG2 generates power using a part of the power output to the carrier 45 as the rotational speed of the motor MG1 becomes negative under the first torque conversion mode.
- the motor MG1 consumes the electric power generated by the motor MG2 and outputs power, and the second gear conversion mode causes the sun gear 41 to move to the sun gear 41 due to the negative rotation speed of the motor MG2.
- the motor MG1 generates power using a part of the output power and the motor MG2 consumes the power generated by the motor MG1 and outputs the power! /, It is possible to suppress the generation of power circulation Therefore, it is possible to improve power transmission efficiency in a wider operating range. Further, since the maximum number of rotations of the motors MG1 and MG2 can be suppressed in accordance with such suppression of power circulation, the motors MG1 and MG2 can be downsized.
- the power from the engine 22 can be mechanically (directly) transmitted to the drive shaft 66 at a fixed gear ratio. Increase the opportunity to mechanically output power from the engine 22 to the drive shaft 66 without conversion to engineering energy. Thus, power transmission efficiency can be further improved.
- the engine power is reduced when the reduction ratio between the engine and the drive shaft is relatively large.
- the above-mentioned simultaneous engagement mode is particularly effective between the engine 22 and the drive shaft. This is particularly advantageous when the reduction ratio is relatively large. Furthermore, in the hybrid vehicle 20 of the embodiment, when the transmission state of the transmission 60 is changed, the simultaneous engagement mode is once executed between the first torque conversion mode and the second torque conversion mode. It is possible to execute the change of the shift state, that is, the switching between the first torque conversion mode and the second torque conversion mode extremely smoothly and without shock, without causing so-called torque loss at the time of change of the shift state.
- the motor running fi mode is a clutch that outputs the power to one of the motors MG1 and MG2 while connecting the clutch CO and connecting the motor MG1 to the sun gear 41 of the power distribution and integration mechanism 40.
- Engagement 1 Motor travel mode and clutch release to output power to either motor MG1 or MG2 with clutch CO disengaged between motor MG1 and sun gear 41 of power distribution and integration mechanism 40 1 motor travel mode
- the two-motor travel mode in which the power from both the motors MG1 and MG2 can be used while the connection between the motor MG1 by the clutch CO and the sun gear 41 of the power distribution and integration mechanism 40 is released. Note that when the motor drive mode is selected, the brake B0 is deactivated (see Fig. 6).
- the clutch C1 When the clutch release 1 motor running mode is executed, the clutch C1 is moved to the R position as shown in FIG. 6 with the clutch CO disengaged between the motor MG1 and the sun gear 41 of the power distribution and integration mechanism 40.
- the transmission 60 is set to the first shift state and the power is output only to the motor MG2, and as shown in FIG. 6, the clutch C1 is set to the L position to set the transmission 60 to the second shift. Set to state and output power only to motor MG1.
- the connection between the clutch 41 and the motor MG1 is released.
- This function prevents the rotation of the crankshaft 26 of the engine 22 and the rotation of the motor M / G1, or the rotation of the motor M G1 or MG2, thereby reducing the power transmission efficiency. It is possible to suppress S. Furthermore, when the two-motor running mode is executed, the clutch C1 is set to the M position as shown in FIG. 6 in a state where the connection between the motor MG1 by the clutch CO and the sun gear 41 of the power distribution and integration mechanism 40 is released. As a result, the transmission 60 is set to the above-mentioned 12-speed simultaneous engagement state, and at least one of the motors MG1 and MG2 is driven and controlled.
- power S can be output from both the motors MG1 and MG2 while avoiding the rotation of the engine 22, and a large amount of power can be transmitted to the drive shaft 66 under the motor travel mode. This makes it possible to perform well and to ensure good towing performance when the motor is running.
- the speed change state of the transmission 60 can be easily changed to efficiently transmit power to the drive shaft 66.
- the transmission 60 is set to the first shift state and power is output only to the motor MG2 under the clutch release 1 motor running mode, the first motor shaft 46 is synchronized with the carrier shaft 45a. If you adjust the rotation speed Nml of the motor MG1 and switch the clutch position of the clutch C1 of the transmission 60 from the R position to the M position, the shift to the above-mentioned 1 2-speed simultaneous engagement state, that is, the 2-motor travel mode, is made. can do.
- the force S can be used to amplify the torque by shifting the rotation speed of the carrier 45 and the sun gear 41 using the transmission 60, so that the motor MG1, The maximum torque required for MG2 can be reduced, and the motors MG1 and MG2 can be downsized.
- the simultaneous engagement state of the transmission 60 that is, the two-motor traveling mode is executed once, so that the so-called change of the transmission state is performed. Torque is not lost, and the shift state can be changed very smoothly and without shock.
- the required drive power increases under these motor drive modes or the remaining capacity SOC of the battery 35 decreases, it depends on the speed change state of the transmission 60 (the clutch position of the clutch C1).
- the engine 22 is cranked by the motor MG1 or MG2 that will not output power, and the engine 22 is started.
- the hybrid vehicle 20 of the embodiment has the sun gear 62 as the input element, the ring gear 63 as the fixed element, and the carrier 65 as the output element connected to the drive shaft 66, and these three elements are different from each other.
- Either one or both of the differential rotation mechanism 61 for speed change configured to be able to rotate and the carrier 45 as the first element of the power distribution and integration mechanism 40 and the sun gear 41 as the second element are used for speed change.
- a transmission 60 including a clutch C1 that can be selectively coupled to the sun gear 62 of the rotation mechanism 61 is provided.
- the transmission 60 can be configured with a relatively small amount of components and parts, has a simple and compact configuration, and is excellent in mountability.
- the power distribution is performed.
- the power from the carrier 45 or sun gear 41 of the integrated mechanism 40 is shifted by the differential rotation mechanism 61 for shifting and then output to the drive shaft 66. That power S.
- both the carrier 45 of the power distribution and integration mechanism 40 and the sun gear 41 are connected to the sun gear 62 of the transmission differential rotation mechanism 61 by the clutch C 1 of the transmission 60, the power from the engine 22 is generated. It can be transmitted mechanically (directly) to the drive shaft 66 at a fixed gear ratio.
- the first electric motor connected to the carrier 45 serving as an output element is used.
- the motor MG2 can function as an electric motor
- the motor MG1 serving as the second electric motor connected to the sun gear 41 serving as a reaction force element can function as a generator.
- the sun gear 41 of the power distribution and integration mechanism 40 is coupled to the sun gear 62 of the transmission differential rotation mechanism 61 by the clutch C1 of the transmission 60
- the motor M G1 connected to the sun gear 41 serving as the output element is used as the motor. It becomes possible to make the motor MG 2 connected to the carrier 45 functioning and the reaction force element function as a generator.
- the motor that functions as a generator when the rotational speed Nm2 or Nml of the motor MG2 or MG1 that functions as an electric motor is increased by appropriately switching the connection state by the clutch C1.
- Generation of so-called power circulation can be suppressed by preventing the rotation speed Nml or Nm2 of MG1 or MG2 from becoming a negative value.
- the transmission differential rotation mechanism 61 of the transmission 60 is a single pinion planetary gear mechanism as in the embodiment, the transmission 60 can be configured more compactly.
- the transmission differential rotation mechanism 61 of the transmission 60 includes a first sun gear and a second sun gear having different numbers of teeth, a second pinion gear that meshes with the first sun gear, and a second sun gear that meshes with the first sun gear. It may be a planetary gear mechanism including a carrier that holds at least one stepped gear that is connected to a pinion gear.
- a planetary gear mechanism including such a stepped gear is used as the differential rotation mechanism 61 for shifting, a transmission having a single pinion planetary gear mechanism that tends to increase the rotation speed of the pinion gear when setting a larger reduction ratio. Compared to the above, a larger reduction ratio can be easily set.
- the motors MG1 and MG2 are arranged substantially coaxially with the engine 22, and the power distribution and integration mechanism 40 is If the motors MG1 and MG2 are arranged substantially coaxially with each other, the entire power output apparatus constituted by these can be made more compact.
- the hybrid vehicle 20 in which the engine 22, the motors MG1 and MG2, and the power distribution / integration mechanism 40 are arranged substantially coaxially in this way is connected to the transmission 60 together with the sun gear 41 of the power distribution / integration mechanism 40.
- the sun gear shaft 41a and the first motor shaft 46 as a hollow shaft extending toward the transmission, and a connection connected to the carrier 45 and extending toward the transmission 60 through the sun gear shaft 41a and the first motor shaft 46 as a hollow shaft
- the clutch C1 of the speed changer 60 has one or both of the first motor shaft 46 and the carrier shaft 45a as the sun gear 62 of the transmission differential rotation mechanism 61. It is configured to be selectively connectable.
- the power from the carrier 45 and the power from the sun gear 41 of the power distribution and integration mechanism 40 and the power from the sun gear 41 can be output substantially in the same direction, so that the transmission 60 can be connected to the engine 22, the motors MG1, MG2,
- the distribution and integration mechanism 40 can be arranged substantially coaxially. Therefore, such a configuration is very suitable for the hybrid vehicle 20 that runs mainly by driving the rear wheels.
- the brake B0 provided in the hybrid vehicle 20 can fix the second motor shaft 55, which is the rotation shaft of the motor MG2, in a non-rotatable manner. Therefore, when the sun gear 41 of the power distribution and integration mechanism 40 connected to the motor MG1 as described above is coupled to the drive shaft 66 via the clutch C1 of the transmission 60 and the differential rotation mechanism 61 for transmission. Even if the second motor shaft 55 is fixed non-rotatably by the brake B0, the power from the engine 22 can be mechanically (directly) transmitted to the drive shaft 66 at a fixed gear ratio. As a result, the hybrid vehicle 20 can satisfactorily improve the power transmission efficiency in a wider driving range.
- the fixing means as described above is for fixing the rotation of the element (the sun gear 41 in the embodiment) that becomes the reaction force element of the power distribution and integration mechanism when the minimum speed change ratio by the transmission is set.
- the first motor shaft 46 or the sun gear 41 of the motor MG 1 may be fixed.
- the function of the fixing means may be given to the clutch CO.
- the hybrid vehicle 20 of the embodiment includes a sun gear shaft 41a, a first motor shaft 46, and a
- a clutch CO is provided for connecting the sun gear 41 and the motor MG1 and releasing the connection. Accordingly, in the hybrid vehicle 20, if the connection between the sun gear shaft 41a and the first motor shaft 46 by the clutch CO is released, the function of the power distribution and integration mechanism 40 causes the engine 22 to be substantially driven by the motors MG1, MG2, and the transmission 60. Can be separated from Therefore, in the hybrid vehicle 20, if the clutch CO is released and the engine 22 is stopped, the power from at least one of the motors MG1 and MG2 is transmitted to the drive shaft 66 along with the change of the transmission state of the transmission 60. Can be transmitted efficiently.
- the clutch CO is not limited to the one that performs the connection between the sun gear 41 and the motor MG1 and the cancellation of the connection.
- the clutch C0 may perform the connection between the carrier 45 (first element) and the second motor shaft 55 (motor MG2) and the release of the connection.
- the crankshaft 26 and the ring gear 42 of the engine 22 may be used. It may be one that executes connection with (third element) and release of that connection.
- the sun gear 4 1 Compared to the above, the distribution ratio of the torque from the engine 22 to the carrier 45 becomes larger. Therefore, as shown in the example in FIG. 1, by arranging the reduction gear mechanism 50 between the carrier 45 and the motor MG2, the motor MG2 can be reduced in size and its power loss can be reduced. .
- the gear ratio of the power distribution and integration mechanism 40 is p
- the reduction ratio of the reduction gear mechanism 50 is a value near p / d
- the specifications of the motors MG1 and MG2 are roughly Since they can be the same, productivity of the hybrid vehicle 20 and the power output device can be improved and costs can be reduced.
- the power distribution and integration mechanism 40 which is a double pinion planetary gear mechanism, may be configured such that the gear ratio is p> 0.5.
- the reduction gear mechanism 50 has a reduction ratio of ( 1 p) / ⁇ It is preferable that the value be in the vicinity of ⁇ and be arranged between the sun gear 11 and the motor MG1 or MG2.
- FIG. 10 is a schematic configuration diagram of a hybrid vehicle 20 ⁇ ⁇ according to a modification. Shown in the figure In the hybrid vehicle 20A, the functions of the clutch CO and the brake B0 of the hybrid vehicle 20 described above are shared by the clutch CO ′ and the brake BO ′ driven by the hydraulic actuator 88, respectively.
- the hybrid vehicle 20A also includes a transmission 60A in which the functions of the clutch C1 described above are shared by the clutches Cla and Clb driven by the hydraulic actuator 88, respectively.
- the clutch CO ′ is driven to connect and release the sun gear 41 of the power distribution and integration mechanism 40 and the first motor shaft 46 (motor MG1).
- the second motor shaft 55 which is the rotation shaft of the motor MG2
- the clutch Cla of the transmission 60A the first element in which the carrier 45, which is the first element of the power distribution and integration mechanism 40, and the drive shaft 66 are connected via the carrier shaft 45a and the differential rotation mechanism 61 for transmission.
- a connected state can be realized.
- the sun gear 41 which is the second element of the power distribution and integration mechanism 40, and the drive shaft 66 are connected via the sun gear shaft 41a, the first motor shaft 46, and the transmission differential rotation mechanism 61.
- a two-element connected state can be realized.
- FIG. 11 shows the clutch CO ', brake BO', clutch Cla and Clb clutch positions of the transmission 60A when the hybrid vehicle 20A is running.
- the hybrid vehicle 20A including the hydraulic clutch CO ′ and the brake BO ′ and the transmission 60A including the hydraulic clutches Cla and Clb has the same effects as the hybrid vehicle 20 described above. Can be obtained.
- FIG. 12 is a schematic configuration diagram of a hybrid vehicle 20B according to another modification.
- the hybrid vehicles 20 and 20A described above are configured as rear-wheel drive vehicles, whereas the hybrid vehicle 20B according to the modified example is configured as a front-wheel drive vehicle.
- the hybrid vehicle 20B has an external gear sun gear 11, inner teeth formed on the inner periphery thereof, and outer teeth formed on the outer periphery thereof, and is disposed concentrically with the sun gear 11.
- a ring gear 12 and a carrier 14 that holds a plurality of pinion gears 13 that mesh with both the sun gear 11 and the inner teeth of the ring gear 12, and the sun gear 11 (second element) and the ring gear 12 (first 1) and carrier 14 (third element) are provided with a power distribution and integration mechanism 10 which is a single pinion type planetary gear mechanism configured to be able to rotate differentially with respect to each other.
- the power distribution and integration mechanism 10 is configured so that the gear ratio p (the value obtained by dividing the number of teeth of the sun gear 11 by the number of teeth of the ring gear 12) is P ⁇ 0.5. Yes.
- the sun gear 11 as the second element of the power distribution and integration mechanism 10 includes a motor as a second electric motor through a sun gear shaft l la, a clutch CO, and a first motor shaft 46 that extend from the sun gear 11 to the opposite side of the engine 22.
- M G1 rotor
- the ring gear 12 as the first element includes a reduction gear mechanism 50 disposed on the engine 22 side of the power distribution and integration mechanism 10 and a hollow second motor in which the reduction gear mechanism 50 (sun gear 51) force also extends toward the engine 22.
- a motor MG2 (hollow rotor) as a first electric motor is connected via a shaft 55.
- the crankshaft 26 of the engine 22 is connected to the carrier 14 as a third element via a second motor shaft 55 and a carrier shaft 14a extending through the motor MG2 and a damper 28.
- the hybrid vehicle 20B includes a transmission 90 different from the transmissions 60 and 60A.
- the transmission 90 is attached to the first motor shaft 46 and the first connection gear train that is configured by the ring gear 12 of the power distribution and integration mechanism 10 and the first driven gear 91 that is always meshed with the external teeth of the ring gear 12.
- the second connected gear train composed of the drive gear 47 and the second driven gear 92 that is always meshed with the drive gear 47, parallel to the crankshaft 26, the first motor shaft 46, and the second motor shaft 55 of the engine 22. It includes an extending transmission shaft 93, a transmission differential rotation mechanism 94 that is a single pinion planetary gear mechanism, and a clutch C1.
- the first driven gear 91 of the first connecting gear train is attached to a hollow first gear shaft 91a that is rotatably supported by a bearing (not shown) and extends in parallel with the first motor shaft 46 and the second motor shaft 55. It is.
- the second driven gear 92 is rotatably supported by a bearing (not shown) at a predetermined distance from the first gear shaft 91a and extends in parallel with the first motor shaft 46 and the second motor shaft 55. Is attached to a hollow second gear shaft 92a.
- the number of teeth of the outer teeth of the ring gear 12 constituting the first connection gear train and the drive gear 47 constituting the second connection gear train are the same, and the first tooth constituting the first connection gear train is the same.
- the transmission shaft 93 extends in parallel with the first motor shaft 46 and the second motor shaft 55 through the inside of the first and second gear shafts 91a, 92a described above, and has its tip (right end in the figure). Is connected to a differential rotation mechanism 94 for shifting.
- the transmission differential rotation mechanism 94 includes a sun gear 95 connected to the transmission shaft 93, a ring gear 96 disposed concentrically with the sun gear 95, and a pinion gear 97 that meshes with both the sun gear 95 and the ring gear 96.
- Including a plurality of carriers 98, the sun gear 95 (input element), the ring gear 96 (fixed element), and the carrier 98 (output element) are configured to be capable of differential rotation.
- the ring gear 96 of the transmission differential rotation mechanism 94 is fixed to the transmission case so as not to rotate.
- a hollow carrier shaft 98a is connected to the carrier 98 of the transmission differential rotation mechanism 94, and the transmission shaft 93 is fixed to the sun gear 95 through the carrier shaft 98a.
- the hollow second gear shaft 92a and the first driven gear 91 to which the second driven gear 92 is attached are attached around the transmission shaft 93 in order from the left side in the figure.
- the hollow first gear shaft 91a and the hollow carrier shaft 98a are arranged.
- the carrier 98 is connected to front wheels 69c and 69d as drive wheels via an output gear 99 attached to the end of the carrier shaft 98a, a gear mechanism 67 including a drive shaft 66, and a differential gear 68.
- the clutch C1 included in the transmission 90 is disposed in the vicinity of the first gear shaft 91a and the second gear shaft 92a, and is either one of the first gear shaft 91a and the second gear shaft 92a.
- One or both can be connected to the transmission shaft 93.
- the clutch C1 is transmitted so as to be positioned between a dog fixed to one end (the left end in the figure) of the first gear shaft 9 la and the first gear shaft 91a and the second gear shaft 92a.
- the clutch position which is the position of the engagement member, is selectively switched to “R position”, “M position” and “L position” as shown in FIG. Is possible. That is, when the clutch position of the clutch C1 of the transmission 90 is set to the R position, the first dog of the first gear shaft 91a and the dog of the transmission shaft 93 are connected with less loss via the engaging member. As a result, the first connecting gear train, the first gear shaft 91a, the transmission shaft 93, the transmission differential rotation mechanism 94, etc.
- the ring gear 12 as the first element of the power distribution and integration mechanism 10 is connected to the drive shaft 66 (first element connected state).
- the clutch position of the clutch C1 is set to the M position
- the first dog of the first gear shaft 91a, the dog of the transmission shaft 93, and the dog of the second gear shaft 92a are less lost through the engaging member.
- both the first gear shaft 91a and the second gear shaft 92a that is, both the ring gear 12 and the sun gear 11 of the power distribution and integration mechanism 10 are connected to the first and second connected gear trains and the transmission. It is connected to the drive shaft 66 via the shaft 93, the transmission differential rotation mechanism 94, etc. (both elements are connected).
- the hybrid vehicle according to the present invention can obtain the same effects as the hybrid vehicles 20 and 20A described above even in the hybrid vehicle 20B of FIG. 12, which may be configured as a front-wheel drive vehicle.
- the hybrid vehicle 20B of FIG. 12 includes a transmission shaft 93 extending in parallel with the first and second motor shafts 46 and 55, first and second coupled gear trains of parallel shaft type, and a clutch as a switching means.
- a transmission 90 including C1 is provided.
- the power output device can be provided by arranging the clutch C1 and the transmission differential rotation mechanism 94 around the transmission shaft 93 coaxially therewith.
- the power output apparatus of FIG. 12 is compact and excellent in mountability, and is extremely suitable for the hybrid vehicle 20B that mainly drives the front wheels to travel.
- the sun gear 11 and the ring gear 12 of the power distribution and integration mechanism 10 are connected to the transmission shaft 93 via the parallel shaft type first connection gear train and the second connection gear train.
- the gear ratio between the sun gear 11 or the ring gear 12 and the transmission shaft 93 can be set freely.
- the degree of freedom in setting the transmission ratio of the transmission 90 can be increased, and the power transmission efficiency can be further improved.
- external teeth are formed on the ring gear 12 of the power distribution and integration mechanism 10 to form a ring.
- the force that the gear 12 itself constitutes the second connecting gear train is not limited to this. That is, instead of forming external teeth on the ring gear 12, a gear similar to the drive gear 47 is connected to the ring gear 12 and the gear is engaged with the first driven gear 91 to form the first connected gear train. You may do it.
- the hybrid vehicle 20B has a power distribution integrated mechanism 10 that is a single pinion planetary gear mechanism in which the gear ratio p is less than 0.5.
- the torque distribution ratio from the engine 22 to the ring gear 12 is larger than that of the sun gear 41. Therefore, as shown in FIG. 12, by arranging the reduction gear mechanism 50 between the ring gear 12 and the motor MG2, the motor MG2 can be downsized and its power loss can be reduced. In this case, if the reduction ratio pr of the reduction gear mechanism 50 is set to a value near the gear ratio p of the power distribution and integration mechanism 40, the specifications of the motors MG1 and MG2 can be made substantially the same. As a result, the productivity of the engine 22 and the power output device can be improved and the cost can be reduced.
- FIG. 13 is a schematic configuration diagram of a hybrid vehicle 20C according to still another modification.
- the functions of the clutch CO and the brake B0 of the hybrid vehicle 20B described above are respectively shared by the clutch CO ′ and the brake B0 ′ driven by the hydraulic actuator 88C.
- the hybrid vehicle 20C also includes a transmission 90C in which the functions of the clutch C1 of the hybrid vehicle 20B described above are shared by the clutches Cla and Clb driven by the hydraulic actuator 88C, respectively.
- the clutch C0 ′, the brake B0 ′, and the clutches Cla and Clb of the transmission 90C are controlled as shown in FIG. 11, the above-described hybrid vehicles 20, 20A, 20B Similar effects can be obtained.
- lid automobile 20, 20A, 20B, 20C the mechanism that performs connection between the sun gear 41 (11) and the motor MG1 and release of the connection, (2) Either or all of the mechanism for fixing the motor shaft 55 (the carrier 45 or the ring gear 12) and the reduction gear mechanism 50 may be omitted, and each of the hybrid vehicles 20, 20A described above has a rear wheel drive base.
- Any of the above-described hybrid vehicles 20B and 20C that may be configured as a four-wheel drive vehicle may be configured as a front-wheel drive base four-wheel drive vehicle.
- the power distribution and integration mechanism 40 includes a first sun gear and a second sun gear having different numbers of teeth, a second pinion gear that meshes with the first sun gear, and a second sun gear that meshes with the second sun gear. It may be a planetary gear mechanism including a carrier that holds at least one stepped gear that is connected to a pinion gear. In the hybrid vehicles 20B and 20C described above, the power distribution and integration mechanism 40 may be configured as a double pinion planetary gear mechanism. Further, in the above embodiment, the power output device described as being mounted on the hybrid vehicle 20, 20A, 20B, 20C.
- the power output device according to the present invention is a vehicle other than an automobile, a ship, an aircraft, etc. It may be one that is mounted on a movable body or one that is built into a fixed facility such as a construction facility.
- the present invention can be used in the manufacturing industry of power output devices and hybrid vehicles.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Arrangement Of Transmissions (AREA)
- Structure Of Transmissions (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200711002536 DE112007002536B4 (de) | 2006-10-25 | 2007-10-22 | Leistungsabgabevorrichtung und Hybridfahrzeug |
CN200780039948.6A CN101600593B (zh) | 2006-10-25 | 2007-10-22 | 动力输出装置以及混合动力汽车 |
US12/446,711 US7938208B2 (en) | 2006-10-25 | 2007-10-22 | Power output apparatus and hybrid vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006289661A JP4222407B2 (ja) | 2006-10-25 | 2006-10-25 | 動力出力装置およびハイブリッド自動車 |
JP2006-289661 | 2006-10-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008050713A1 true WO2008050713A1 (fr) | 2008-05-02 |
Family
ID=39324510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/070538 WO2008050713A1 (fr) | 2006-10-25 | 2007-10-22 | Dispositif de sortie de puissance et automobile hybride |
Country Status (5)
Country | Link |
---|---|
US (1) | US7938208B2 (ja) |
JP (1) | JP4222407B2 (ja) |
CN (1) | CN101600593B (ja) |
DE (1) | DE112007002536B4 (ja) |
WO (1) | WO2008050713A1 (ja) |
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CN105682965A (zh) * | 2012-12-28 | 2016-06-15 | 河北御捷车业有限公司 | 半并联混合动力及控制车辆*** |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012037013A1 (en) * | 2010-09-15 | 2012-03-22 | Chrysler Llc | Multi-mode drive unit |
CN105682965A (zh) * | 2012-12-28 | 2016-06-15 | 河北御捷车业有限公司 | 半并联混合动力及控制车辆*** |
Also Published As
Publication number | Publication date |
---|---|
DE112007002536B4 (de) | 2014-10-09 |
US20100012407A1 (en) | 2010-01-21 |
JP4222407B2 (ja) | 2009-02-12 |
CN101600593A (zh) | 2009-12-09 |
US7938208B2 (en) | 2011-05-10 |
DE112007002536T5 (de) | 2009-08-20 |
JP2008105531A (ja) | 2008-05-08 |
CN101600593B (zh) | 2016-02-03 |
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