WO2018000959A1 - 动力驱动系统和车辆 - Google Patents

动力驱动系统和车辆 Download PDF

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Publication number
WO2018000959A1
WO2018000959A1 PCT/CN2017/084024 CN2017084024W WO2018000959A1 WO 2018000959 A1 WO2018000959 A1 WO 2018000959A1 CN 2017084024 W CN2017084024 W CN 2017084024W WO 2018000959 A1 WO2018000959 A1 WO 2018000959A1
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WO
WIPO (PCT)
Prior art keywords
gear
shaft
output
speed
power
Prior art date
Application number
PCT/CN2017/084024
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English (en)
French (fr)
Inventor
刘静
华煜
柴领道
Original Assignee
比亚迪股份有限公司
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Publication date
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Priority to EP17818956.9A priority Critical patent/EP3473463A4/en
Priority to US16/313,575 priority patent/US20190315220A1/en
Publication of WO2018000959A1 publication Critical patent/WO2018000959A1/zh

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/36Arrangement 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/26Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/38Arrangement 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
    • B60K6/387Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/42Arrangement 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
    • B60K6/48Parallel type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/50Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54Transmission for changing ratio
    • B60K6/547Transmission for changing ratio the transmission being a stepped gearing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/006Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/093Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/42Arrangement 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
    • B60K6/48Parallel type
    • B60K2006/4808Electric machine connected or connectable to gearbox output shaft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/42Arrangement 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
    • B60K6/48Parallel type
    • B60K2006/4833Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
    • B60K2006/4841Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range the gear provides shifting between multiple ratios
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H2003/0822Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the arrangement of at least one reverse gear
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/093Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
    • F16H2003/0931Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts each countershaft having an output gear meshing with a single common gear on the output shaft
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/003Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0056Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising seven forward speeds
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

Definitions

  • the present disclosure relates to the field of automotive technology, and more particularly to a power drive system and a vehicle.
  • hybrid vehicles are driven by engines and/or motors with multiple drive modes to improve transmission efficiency and fuel economy.
  • the transmission structure in the hybrid vehicle is complicated, the transmission mode is small, and the transmission efficiency is low.
  • the transmissions in the conventional hybrid vehicles are mostly five or six gears, and the transmission efficiency is not high.
  • the present disclosure aims to solve at least one of the above technical problems in the prior art to some extent. To this end, it is an object of the present disclosure to provide a power drive system that is rich in transmission mode and has seven forward gear positions to better meet the power and torque requirements of the vehicle while traveling.
  • Another object of the present disclosure is to provide a vehicle including the above-described power drive system.
  • a power drive system having seven forward gears including: an engine; a plurality of input shafts, the engine being configured to selectively engage the plurality of At least one of the input shafts, each of the input shafts is provided with a gear shifting gear; a plurality of output shafts, each of which is provided with a gear driven gear, and the plurality of gear driven gears Cooperating with a plurality of the gear driving gears, one of the plurality of output shafts is provided with a reverse gear output gear and is further provided with a reverse gear synchronizer for engaging the reverse gear output gear; a shaft, the reverse shaft is disposed to be associated with one of the plurality of input shafts and the reverse output gear; a motor power shaft, the motor power shaft is provided with a motor power shaft first gear and motor power a second gear of the shaft, wherein the motor power shaft is further provided with a motor power shaft synchronizer between the first gear of the motor power shaft and the second gear of the motor power shaft, wherein the motor
  • the charging function can be realized when the vehicle is running and parking, and the charging mode is enriched, at least to some extent, solving the problems of single charging mode and low charging efficiency of the existing power transmission system.
  • the power drive system according to an embodiment of the present disclosure can realize two types of charging modes: driving charging and parking charging. formula.
  • the power drive system according to an embodiment of the present disclosure has seven forward gears, so that the power is more smoothly transmitted, the transmission efficiency is high, and seven different transmission speed ratios can better satisfy the vehicle's power in different road conditions. And the need for torque.
  • the power drive system according to an embodiment of the present disclosure may further have the following additional technical features:
  • the plurality of input shafts include: a first input shaft and a second input shaft, the second input shaft is sleeved on the first input shaft;
  • the plurality of output shafts include a first output shaft and a second output shaft;
  • a first driving shaft, a three-five-speed driving gear and a seven-speed driving gear are fixedly disposed on the first input shaft, and a second gear driving gear is fixedly disposed on the second input shaft And a four-six-speed drive gear;
  • the first output shaft is provided with a driven driven gear, a second-speed driven gear, a third-speed driven gear and a fourth-speed driven gear, and the second output shaft is provided with an idler sleeve a fifth-speed driven gear, a sixth-speed driven gear, and a seven-speed driven gear;
  • a three-speed synchronizer is disposed between the first-speed driven gear and the third-speed driven gear, and the second-speed driven gear
  • a four-speed synchronizer is disposed between the
  • the reverse output gear is sleeved on the second output shaft and adjacent to the sixth gear driven gear, the reverse gear output gear and the sixth gear driven gear A six-speed synchronizer is shared such that the six-speed synchronizer constitutes a reverse synchronizer.
  • the first output shaft is fixedly disposed with a first output shaft output gear
  • the second output shaft is fixedly disposed with a second output shaft output gear
  • the first output shaft output gear The second output shaft output gear and the motor power shaft first gear are both meshed with the final drive driven gear of the vehicle.
  • the power drive system further includes: a dual clutch having an input end, a first output end, and a second output end, the engine being coupled to the input end, the An output is coupled to the first input shaft and the second output is coupled to the second input shaft.
  • the motor power shaft second gear and the first gear driven gear, the second gear driven gear, the third gear driven gear, and the fourth gear driven gear A driven gear linkage.
  • the reverse output gear shares a gear synchronizer with an adjacent gear driven gear
  • the shared gear synchronizer constitutes a reverse synchronizer
  • the distance between the second-speed driving gear, the four-six-speed driving gear, the three-five-speed driving gear, the first-speed driving gear, and the seven-speed driving gear and the engine Increment is the distance between the second-speed driving gear, the four-six-speed driving gear, the three-five-speed driving gear, the first-speed driving gear, and the seven-speed driving gear and the engine Increment.
  • the power drive system further includes: an intermediate shaft on which the intermediate shaft first gear and the intermediate shaft second gear are fixedly disposed, the intermediate shaft first gear and the middle gear A gear driven gear meshes, and the intermediate shaft second gear meshes with the second gear of the motor power shaft.
  • a vehicle according to an embodiment of the present disclosure includes the power drive system in the above embodiment.
  • FIG. 1 is a schematic diagram of a power drive system in accordance with an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram of a power drive system in accordance with another embodiment of the present disclosure.
  • FIG. 3 is a schematic diagram of a power drive system in accordance with yet another embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of a power drive system in accordance with still another embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram of a power drive system according to still another embodiment of the present disclosure.
  • FIG. 6 is a schematic diagram of a power drive system in accordance with still another embodiment of the present disclosure.
  • FIG. 7 is a schematic diagram of a power drive system in accordance with yet another embodiment of the present disclosure.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed”, and the like, are to be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated or defined otherwise. , or integrated; can be mechanical connection, can also be electrically connected or can communicate with each other; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements.
  • the specific meanings of the above terms in the present disclosure can be understood by those skilled in the art on a case-by-case basis.
  • the first feature "on” or “under” the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them.
  • the first feature “above”, “above” and “above” the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature.
  • the first Features “below”, “below” and “below” the second feature includes the first feature directly below and below the second feature, or simply that the first feature is less than the second feature.
  • a power drive system 100 according to an embodiment of the present disclosure will be described in detail below with reference to FIGS. 1-7, which is suitable for use in a vehicle such as a hybrid vehicle, and as a power system of the vehicle, provides sufficient for the normal running of the vehicle. Power and electricity.
  • the power drive system 100 mainly includes two main parts, one of which may be a power source, the power source may be an engine 4, a motor generator, etc., and the second may be a transmission (including multiple input shafts, multiple outputs) Axle, gear gear pair, etc.), the transmission is used to realize the shifting function of power output to the power source, to meet the driving requirements or charging requirements of the vehicle.
  • the power drive system 100 can include the engine 4, the first motor generator 51, and the transmission, but is not limited thereto.
  • the transmission primarily includes a plurality of input shafts (eg, first input shaft 11 and second input shaft 12), a plurality of output shafts (eg, first output shaft 21, second The output shaft 22) and the motor power shaft 3 and associated gears on each shaft and shifting elements (eg, synchronizers).
  • a plurality of input shafts eg, first input shaft 11 and second input shaft 12
  • a plurality of output shafts eg, first output shaft 21, second The output shaft 22
  • the motor power shaft 3 and associated gears on each shaft and shifting elements eg, synchronizers
  • the engine 4 is configured to selectively engage at least one of the plurality of input shafts when power is transmitted between the engine 4 and the input shaft.
  • the engine 4 can selectively engage one of the plurality of input shafts to transmit power, or the engine 4 can also selectively engage with two of the plurality of input shafts Or more than two input shafts are simultaneously engaged to transmit power.
  • the plurality of input shafts may include two input shafts, a first input shaft 11 and a second input shaft 12, and the engine 4 is selectively connectable to the first input shaft 11 and the second input.
  • One of the shafts 12 is engaged to transmit power.
  • the engine 4 can also be simultaneously engaged with the first input shaft 11 and the second input shaft 12 to transmit power.
  • the engine 4 can also be disconnected from the first input shaft 11 and the second input shaft 12 at the same time.
  • the engagement state of the engine 4 with the input shaft is related to the particular operating conditions of the power drive system 100, as will be described in more detail below in connection with specific embodiments, and will not be described in detail herein.
  • each input shaft is provided with a gear driving gear
  • each output shaft is provided with a gear driven gear
  • the plurality of gear driven gears mesh with the plurality of gear driving gears correspondingly, thereby forming a plurality of For gear pairs with different speed ratios.
  • the power drive system 100 may have seven forward gear pairs, ie, a first gear pair, a second gear pair, a third gear pair, a fourth gear pair, a fifth gear pair, and six Gear pair and seven-speed gear pair.
  • one of the output shafts is provided with a reverse output gear 8, and the output shaft is further provided with a reverse synchronizer for engaging the reverse output gear 8 (for example, a six-speed synchronizer) 6c), in other words, reverse synchronization
  • the device can be used to engage the reverse output gear 8 and the output shaft such that the output shaft and the reverse output gear 8 can be rotated in synchronism so that the reverse power can be output from the output shaft.
  • the reverse output gear 8 is one, the one reverse output gear 8 can be sleeved on the second output shaft 22, and the reverse synchronizer can be a six-speed synchronizer 6c. (ie, the gear synchronizer).
  • the reverse shaft 89 is disposed in linkage with one of the plurality of input shafts and the reverse output gear 8, for example, power on the one of the plurality of input shafts can be transmitted to the reverse output gear 8 through the reverse shaft 89, Thereby, the reverse gear power can be output from the reverse gear output gear 8.
  • the reverse output gear 8 is sleeved on the second output shaft 22, and the reverse shaft 89 is interlocked with the first input shaft 11, in particular, the reverse power output of the engine 4 can be After passing through the first input shaft 11 and the reverse shaft 89, the output is output to the reverse output gear 8.
  • Coupled can be understood as a plurality of components (for example, two) associated motions. Taking two components as an example, when one of the components moves, the other component also moves.
  • the linkage of the gear to the shaft may be understood to mean that the shaft that is interlocked with the gear as it rotates will also rotate, or that the gear that is associated therewith will also rotate as the shaft rotates.
  • the linkage between the shaft and the shaft can be understood as the other shaft that is linked to and rotates when one of the shafts rotates.
  • linkage of a gear and a gear can be understood as the fact that the other gear that is interlocked with one of the gears will also rotate when it rotates.
  • the reverse shaft 89 may be provided with a gear 81, and the gear 81 may be meshed with the gear driving gear on the one of the plurality of input shafts, for example, the gear 81 can be coupled with
  • the first gear drive gear 1a on an input shaft 11 is directly meshed with the transmission, but is not limited thereto.
  • the reverse shaft 89 is further provided with a reverse intermediate gear 82, the reverse intermediate gear 82 is fixed to the reverse shaft 89, and the reverse intermediate gear 82 is meshed with the reverse output gear 8.
  • the reverse output gear 8 is sleeved on one of the plurality of output shafts, so that the reverse output gear 8 needs to use the output shaft of the empty sleeve to reverse the power output.
  • a reverse synchronizer e.g., a six-speed synchronizer 6c
  • the reverse output gear 8 shares a gear synchronizer with an adjacent gear driven gear (for example, the sixth gear driven gear 6b), in other words, the same output shaft is disposed for the reverse gear output gear 8.
  • the reverse output gear 8 can be adjacent to the gear driven gear. It is arranged to share the gear synchronizer with the gear driven gear such that the shift gear of the gear synchronizer can engage the reverse gear output gear 8 or the corresponding gear driven gear when moving axially to the left or right.
  • the number of synchronizers and the number of shifting mechanisms can be reduced, so that the axial and radial dimensions of the power drive system 100 are relatively smaller, the structure is more compact, the control is more convenient, and the cost is reduced.
  • reverse synchronizer of the present disclosure may also be a separate synchronizer that is independent of the gear synchronizer.
  • the motor power shaft 3 will be described in detail below. As shown in FIG. 1 to FIG. 7, the motor power shaft 3 is provided with a motor power shaft first gear 31 and a motor power shaft second gear 32. The motor power shaft first gear 31 is meshable with the final drive driven gear 74.
  • the motor power shaft second gear 32 is disposed in linkage with one of the gear driven gears, and the vehicle having the power drive system 100 according to an embodiment of the present disclosure is in certain operating conditions (the specific working conditions will be combined with the specific implementation below).
  • the power output from the power source can be transmitted between the second gear 32 of the motor power shaft and the gear driven gear that is interlocked therewith.
  • the motor power shaft second gear 32 is respectively associated with one of the first driven gear 1b, the second driven gear 2b, the third driven gear 3b, and the fourth driven gear 4b.
  • the driven gear is linked.
  • the motor power shaft second gear 32 and the second gear driven gear 2b may be directly meshed or indirectly transmitted through the intermediate transmission member, which will be described in detail below in conjunction with specific embodiments.
  • a motor power shaft synchronizer 33c is further disposed on the motor power shaft 3, and the motor power shaft synchronizer 33c is located between the motor power shaft first gear 31 and the motor power shaft second gear 32, and the motor power shaft synchronizer 33c can be selected.
  • the motor power shaft first gear 31 or the motor power shaft second gear 32 is engaged with the motor power shaft 3.
  • the clutch sleeve of the motor power shaft synchronizer 33c is moved to the left to engage the motor power shaft second gear 32, and to the right to engage the motor power shaft first gear 31.
  • the first motor generator 51 is disposed to be coupled with the motor power shaft 3.
  • the generated power can be output to the motor power shaft 3.
  • the power transmitted through the motor power shaft 3 can be output to the first motor generator 51, thereby driving the first motor generator 51 to generate electricity.
  • the motor generator can be understood as a motor having a generator and a motor function unless otherwise specified.
  • the motor power shaft second gear 32 is interlocked with one of the gear driven gears.
  • the first motor generator 51 can utilize at least part of the power from the output of the engine 4 to generate power while the vehicle is traveling and parked.
  • the shaft 3 is output to the first motor generator 51, thereby driving the first motor generator 51 to generate electric power, thereby realizing the charging operation of the engine 4 while driving.
  • At least part of the power of the engine 4 may be when the vehicle is in a parked state (the vehicle is stopped but the engine 4 is still in operation, such as the engine 4 idle) and the motor power shaft second gear 32 is interlocked with the gear driven gear.
  • the gear driven gear, the motor power shaft second gear 32, and the motor power shaft 3 are output to the first motor generator 51, thereby driving the first motor generator 51 to generate electricity, thereby implementing a parking charging function (ie, "parking” "Charging”, whereby the charging efficiency and the fuel economy of the engine 4 can be greatly improved.
  • the first motor generator 51 can be coupled by the motor power shaft synchronizer 33c to engage the motor power shaft first gear 31.
  • the power is directly output from the first gear 31 of the motor power shaft, which can shorten the transmission chain, reduce the intermediate transmission components, and improve the transmission efficiency.
  • the motor power shaft 3 may be the motor shaft of the first motor generator 51 itself.
  • the motor shaft 3 and the motor shaft of the first motor generator 51 can also be two separate shafts.
  • the power driving system 100 can realize the charging function when the vehicle is running and parking, enriching the charging mode, and at least to some extent, solving the existing power transmission system with a single charging mode and low charging efficiency. And other issues.
  • the power drive system 100 according to an embodiment of the present disclosure is capable of implementing two types of charging modes, the vehicle charging and the parking charging.
  • the power drive system 100 according to an embodiment of the present disclosure has seven forward gears, so that the power is more smoothly transmitted, the transmission efficiency is high, and seven different transmission speed ratios can better satisfy the vehicle in different road conditions. Power and torque requirements.
  • the power drive system 100 further includes an intermediate shaft 71.
  • the intermediate shaft 71 is fixedly disposed with an intermediate shaft first gear 711 and an intermediate shaft second gear 712.
  • the shaft first gear 711 meshes with the one of the gear driven gears (for example, the second gear driven gear 2b), and the intermediate shaft second gear 712 meshes with the motor power shaft second gear 32.
  • the motor power shaft second gear 32 is coupled to the one of the gear driven gears via the intermediate shaft second gear 712 and the intermediate shaft first gear 711.
  • only the intermediate shaft third gear 713 is fixedly disposed on the intermediate shaft 71, and the motor power shaft second gear 32 passes through the intermediate shaft third gear 713 and one of the gears.
  • the driven gear (for example, the second gear driven gear 2b) is driven.
  • the motor power shaft second gear 32 is in direct meshing engagement with the one of the gear driven gears (e.g., the second gear driven gear 2b).
  • the motor power shaft 3 is also fixedly provided with a third shaft of the motor power shaft.
  • the wheel 33, the first motor generator 51 is disposed to directly mesh with the motor power shaft third gear 33 or indirectly.
  • the motor shaft of the first motor generator 51 is provided with a first motor gear 511, and the first motor gear 511 is driven by the intermediate gear 512 and the motor power shaft third gear 33.
  • the motor shaft of the first motor generator 51 is provided with a first motor gear 511, and the first motor gear 511 is directly meshed with the motor power shaft third gear 33.
  • the first motor generator 51 and the motor power shaft 3 may also be coaxially connected.
  • the input shaft, the output shaft, and the gears are described in detail below in conjunction with the embodiments of FIGS. 1-7.
  • the plurality of input shafts may be two, that is, the plurality of input shafts include a first input shaft 11 and a second input shaft 12, and the second input shaft 12 may Is a hollow shaft, the first input shaft 11 may be a solid shaft, a part of the first input shaft 11 may be embedded in the hollow second input shaft 12, and another part of the first input shaft 11 may be from the second input shaft 12 Extending axially outward, the first input shaft 11 and the second input shaft 12 may be coaxially arranged.
  • the plurality of output shafts may be two, that is, the first output shaft 21 and the second output shaft 22, the first output shaft 21 and the second output shaft 22 being arranged in parallel with the plurality of input shafts, the first output shaft 21 and the second output
  • the shafts 22 can all be solid shafts.
  • the power drive system 100 may have seven forward gears, specifically, one of the input shafts such as the first input shaft 11 may be provided with an odd gear position driving gear, and the other input shaft such as the second input shaft An even gear shifting drive gear can be disposed on the 12 such that the first input shaft 11 is responsible for power transmission of the odd gear gear pair and the second input shaft 12 is responsible for power transmission of the even gear gear pair.
  • at least one of the gear driving gears is respectively meshed with the two gear driven gears, that is, at least one of the gear driving gears has two gears.
  • the gears are shared by the driven gears, thereby reducing the number of gear shifting gears, reducing the axial size of the power drive system, and facilitating the arrangement.
  • a first driving shaft 1 , a three-five driving gear 35 a and a seven-speed driving gear 7 a may be disposed on the first input shaft 11 , and two may be disposed on the second input shaft 12 .
  • the driving gear 2a and the four-six-speed driving gear 46a are respectively driven, and each gear driving gear rotates synchronously with the corresponding input shaft.
  • the first output shaft 21 is provided with a driven driven gear 1b, a second driven driven gear 2b, a third driven driven gear 3b and a fourth driven driven gear 4b, and a second output.
  • the shaft 22 is provided with a fifth-speed driven gear 5b, a sixth-speed driven gear 6b and a seventh-speed driven gear 7b, and each gear driven gear is sleeved on the corresponding output shaft, that is, each gear is driven.
  • the gears are capable of differential rotation relative to the corresponding output shaft.
  • the first driven gear 1b meshes with the first driving gear 1a to form a first gear pair
  • the second driven gear 2b meshes with the second gear driving gear 2a to form a second gear pair
  • the fifth gear drive gear 35a meshes to form a third gear pair
  • the fourth gear driven gear 4b meshes with the four or six gear drive gears 46a to form a fourth gear pair
  • the fifth gear driven gear 5b meshes with the third and fifth gear drive gears 35a to constitute Five-speed gear pair
  • six-speed driven gear 6b The four-speed driving gear 46a is meshed to form a six-speed gear pair
  • the seven-speed driven gear 7b is meshed with the seven-speed driving gear 7a to constitute a seven-speed gear pair.
  • the four-gear gear pair and the sixth-gear gear pair share the four-six-speed drive gear 46a, and the third-gear gear pair and the fifth-gear gear pair share the three-five-gear drive gear 35a, so that the two-gear drive gear can be reduced, so that the power drive system 100
  • the structure is more compact and the axial dimension is smaller.
  • the power drive system 100 includes a three-speed synchronizer 13c, a second-four-speed synchronizer 24c, a five-seven-speed synchronizer 57c, and a six-speed synchronizer 6c.
  • a three-speed synchronizer 13c is disposed on the first output shaft 21 between the first driven gear 1b and the third driven gear 3b, and a three-speed synchronizer 13c can move the first gear.
  • the gear 1b or the third-speed driven gear 3b is engaged with the first output shaft 21 so that the driven gear and the output shaft can rotate in synchronization.
  • the shifting sleeve of the third-speed synchronizer 13c is moved to the left to engage the third-speed driven gear 3b with the first output shaft 21, so that the third-speed driven gear 3b and the first output shaft 21 can Rotate synchronously.
  • the shifting sleeve of the third-speed synchronizer 13c is moved to the right to engage the first-speed driven gear 1b with the first output shaft 21, so that the first-pass driven gear 1b and the first output shaft 21 can rotate in synchronization.
  • the second and fourth speed synchronizers 24c are disposed on the first output shaft 21 and between the second speed driven gear 2b and the fourth speed driven gear 4b, and the second and fourth speed synchronizers 24c can be two.
  • the driven driven gear 2b or the fourth driven driven gear 4b is engaged with the first output shaft 21 so that the driven gear and the output shaft can rotate in synchronization.
  • the shifting sleeve of the second and fourth speed synchronizers 24c is moved to the left to engage the second speed driven gear 2b with the first output shaft 21, so that the second speed driven gear 2b is synchronized with the first output shaft 21.
  • the shifting sleeve of the second and fourth speed synchronizers 24c is moved to the right to engage the fourth speed driven gear 4b with the first output shaft 21, so that the fourth speed driven gear 4b rotates in synchronization with the first output shaft 21.
  • the five-seven-speed synchronizer 57c is disposed on the second output shaft 22, and the five-seven-speed synchronizer 57c is located between the fifth-speed driven gear 5b and the seventh-speed driven gear 7b.
  • the synchronizer 57c is for engaging the fifth-speed driven gear 5b or the seven-speed driven gear 7b with the second output shaft 22, for example, the joint sleeve of the five-seven-speed synchronizer 57c is moved to the right, and the seven-speed driven gear 7b can be Engaged with the second output shaft 22 such that the seventh speed driven gear 7b rotates in synchronization with the second output shaft 22.
  • the fifth-speed driven gear 5b can be engaged with the second output shaft 22, so that the fifth-speed driven gear 5b and the second output shaft 22 rotate synchronously.
  • a six-speed synchronizer 6c is disposed on the second output shaft 22, and a six-speed synchronizer 6c is located on one side of the sixth-speed driven gear 6b, for example, the left side, and a six-speed synchronizer 6c is used.
  • the sixth-speed driven gear 6b is engaged with the second output shaft 22, for example, the joint sleeve of the six-speed synchronizer 6c is moved to the right, and the sixth-speed driven gear 6b and the second output shaft 22 are Engaged so that the sixth gear driven gear 6b rotates in synchronization with the second output shaft 22.
  • the reverse output gear 8 is disposed adjacent to the sixth-speed driven gear 6b to share the six-speed synchronizer 6c, so that the six-speed synchronizer 6c constitutes a reverse synchronizer. 1 to 7, the engagement sleeve of the sixth speed synchronizer 6c is moved to the left to engage the reverse output gear 8, and to the right to engage the sixth speed driven gear 6b.
  • the distance between the second-speed drive gear 2a, the four-six-speed drive gear 46a, the three-five-speed drive gear 35a, the first-speed drive gear 1a, and the seven-speed drive gear 7a is increased from the engine 4.
  • the gear arrangement is more rational, the power drive system 100 is more compact, and the radial and axial dimensions are relatively smaller.
  • the engine 4 and the first input shaft 11 and the second input shaft 12 of the transmission may be powered or separated by the dual clutch 2d.
  • the dual clutch 2d has an input end 23d, a first output end 21d and a second output end 22d.
  • the engine 4 is coupled to the input end 23d of the dual clutch 2d. Specifically, the engine 4 can pass the flywheel.
  • Various forms such as a shock absorber or a torsion disc are connected to the input end 23d of the dual clutch 2d.
  • the first output end 21d of the dual clutch 2d is coupled to the first input shaft 11 such that the first output end 21d rotates in synchronization with the first input shaft 11.
  • the second output end 22d of the dual clutch 2d is coupled to the second input shaft 12 such that the second output end 22d rotates in synchronization with the second input shaft 12.
  • the input end 23d of the dual clutch 2d may be a housing of the dual clutch 2d, and the first output end 21d and the second output end 22d may be two driven discs.
  • the housing and the two driven disks may be disconnected, that is, the input end 23d is disconnected from the first output end 21d and the second output end 22d, and can be controlled when one of the driven discs needs to be engaged.
  • the housing is engaged with the corresponding driven disc to rotate synchronously, that is, the input end 23d is engaged with one of the first output end 21d and the second output end 22d, so that the power transmitted from the input end 23d can pass through the first output end 21d and the first One of the two outputs 22d outputs.
  • the housing can also be engaged with the two driven disks at the same time, that is, the input end 23d can also be engaged with the first output end 21d and the second output end 22d at the same time, so that the power transmitted from the input end 23d can pass through the first The output terminal 21d and the second output terminal 22d are output.
  • control strategy can be adaptively set according to the actual required transmission mode, so that the input terminal 23d and the two can be The outputs are all disconnected and the input 23d is switched in a plurality of modes in which at least one of the two outputs is engaged.
  • the differential 75 of the vehicle may be disposed between a pair of front wheels 76 or between a pair of rear wheels, in some examples of the present disclosure, the differential 75 is located between a pair of front wheels 76.
  • the function of the differential 75 is to make the left and right driving wheels roll at different angular velocities when the vehicle is turning or driving on an uneven road surface to ensure pure rolling between the driving wheels on both sides and the ground. motion.
  • a final drive driven gear 74 is provided on the differential 75, for example, a final drive driven gear 74 may be disposed on the housing of the differential 75.
  • the main reducer driven gear 74 may be a bevel gear, but is not limited thereto.
  • a first output shaft output gear 211 is fixedly disposed on the first output shaft 21, and the first output shaft output gear 211 rotates synchronously with the first output shaft 21, and the first output shaft output gear 211 and the final drive driven gear 74 The transmission is engaged so that power via the first output shaft 21 can be transmitted from the first output shaft output gear 211 to the final drive driven gear 74 and the differential 75.
  • the second output shaft 22 is fixedly disposed with a second output shaft output gear 221, the second output shaft output gear 221 is synchronously rotated with the second output shaft 22, and the second output shaft output gear 221 is coupled to the final drive driven gear.
  • the meshing transmission is such that power via the second output shaft 22 can be transmitted from the second output shaft output gear 221 to the final drive driven gear 74 and the differential 75.
  • the motor power shaft first gear 31 can be used to output power through the motor power shaft 3, so that the motor power shaft first gear 31 is also meshed with the final drive driven gear 74.
  • Some typical operating conditions of the power drive system 100 include a parking power generation mode, an edge drive side charging mode in which both output ends 21d and 22d of the dual clutch 2d are simultaneously engaged, and a reverse mode.
  • the engine 4 is arranged to output the generated power to the one of the gear driven gears that is interlocked with the second gear 32 of the motor power shaft. And synchronizing the motor power shaft second gear 32 by the motor power shaft synchronizer 33c, the power is output to the first motor generator to drive the first motor generator to generate electricity.
  • the engine 4 can output power to the second input shaft 12 through the dual clutch 2d after the vehicle is parked, and the motor power shaft synchronizer 33c engages the motor power shaft second gear 32. Therefore, the power passing through the second input shaft 12 can pass through the second gear pair, the intermediate shaft first gear 711, the intermediate shaft 71, the intermediate shaft second gear 712, the motor power shaft second gear 32, the motor power shaft synchronizer 33c, The motor power shaft 3, the motor power shaft third gear 33, the intermediate gear 512, and the first motor gear 511 are output to the first motor generator 51, thereby driving the first motor generator 51 to generate power as a generator.
  • the parking power generation function is realized, the charging mode is enriched, and the vehicle is in a stationary state under the parking power generation condition, and the power of the engine 4 can be all used for charging, the charging efficiency is improved, and the rapid power supply function is realized.
  • the side drive side charging condition in which the two output ends 21d and 22d of the dual clutch 2d are simultaneously engaged is described.
  • the engine 4 can pass through the input end 23d and the first output end 21d and the second output end 22d.
  • the engagement force outputs a part of the power to the wheel through one of the output shafts as the driving force of the vehicle, and outputs another part of the power to the first motor generator 51 through the motor power shaft second gear 32 to drive the first
  • the motor generator 51 performs power generation.
  • the motor power shaft synchronizer 33c engages the motor power under the operating condition.
  • the shaft second gear 32, a part of the power of the engine 4 can be output to the first input shaft 11, and then output through the first gear pair, the third gear pair, the fifth gear pair or the seven gear pair, and the other part of the engine 4 can be powered
  • the second input shaft 12, the second gear pair, and the motor power shaft second gear 32 are output to the first motor generator 51, thereby driving the first motor generator 51 to generate electricity.
  • the dual clutch 2d has only one clutch in operation at the same time, and the power drive system 100 according to the embodiment of the present disclosure achieves a breakthrough application to the dual clutch 2d, that is, in the double The two clutches of the clutch 2d are all engaged (the input end 23d simultaneously engages the first output end 21d and the second output end 22d) such that a part of the power of the engine 4 is controlled by an output shaft (for example, the first output shaft 21 or the second The output shaft 22) outputs the driving vehicle, and the other part of the power is output to the first motor generator 51, which drives the motor to generate electricity, enriches the transmission mode, and takes into account the vehicle driving and charging requirements.
  • an output shaft for example, the first output shaft 21 or the second The output shaft 22
  • the power drive system 100 has three reverse modes of a mechanical reverse mode, an electric reverse mode, and a hybrid reverse mode.
  • the mechanical reverse mode is to realize the reverse function of the vehicle by using the power of the engine 4.
  • the power generated by the engine 4 as a power source is output to the reverse shaft 89, and the reverse gear is synchronized by the reverse synchronizer.
  • the gear 8 is output such that the power generated by the engine 4 is output from the reverse output gear 8.
  • the six-speed synchronizer 6c engages the reverse output gear 8, so that the power generated by the engine 4 passes through the first input shaft 11, the reverse shaft 89, and is output to the reverse output gear 8.
  • the reverse power can be finally output from the second output shaft 22 by the engagement of the reverse synchronizer 6c.
  • the electric reverse gear mode realizes the reverse function of the vehicle by using the first motor generator 51.
  • the first motor generator 51 serves as a power source and the motor power shaft is first through the motor power shaft synchronizer 33c.
  • the synchronization of the gear 31 causes the power generated by the first motor generator 51 to be output from the motor power shaft first gear 31 to achieve reverse driving.
  • the motor power shaft synchronizer 33c engages the motor power shaft first gear 31, and the power output by the first motor generator 51 passes through the first motor gear 511, the intermediate gear 512, and the motor power shaft third.
  • the gear 33, the motor power shaft 3, and the motor power shaft synchronizer 33c are output from the motor power shaft first gear 31.
  • the transmission chain is short, the intermediate transmission components are small, and the reverse gear efficiency is high, which can be considered as the direct reverse path of the first motor generator 51.
  • the hybrid reverse mode is to realize the reverse function of the vehicle by using the engine 4 and the first motor generator 51 at the same time, and the hybrid reverse mode is a combination of the above-mentioned mechanical reverse mode and the electric reverse mode.
  • the engine 4 When the vehicle is in the hybrid reverse mode, the engine 4 outputs power generated to the reverse shaft 89 as a power source, and The reverse gear output gear 8 is synchronized by the reverse synchronizer so that the power generated by the engine 4 is output from the reverse gear output gear 8.
  • the first motor generator 51 serves as a power source and synchronizes the motor power shaft first gear 31 by the motor power shaft synchronizer 33c so that the power generated by the first motor generator 51 is generated from the motor power shaft first gear 31. Output.
  • the engine 4 when the power drive system 100 is in the hybrid reverse mode, in combination with the above-described mechanical reverse mode and the electric reverse mode, the engine 4 outputs power from the reverse gear in accordance with the above-described mechanical reverse mode. 8 output, the first motor generator 51 outputs power from the motor power shaft first gear 31 according to the above-mentioned electric reverse gear mode, and the two parts of power are coupled to the main reducer driven gear 74 and output to the wheel to realize hybrid reversing. .
  • the first motor generator 51 can perform the speed adjustment so that the final drive driven gear 74 can synchronously receive the power from the engine 4 and the first motor generator 51 in synchronization, thereby improving the smoothness and coordination of the transmission.
  • the motor power shaft synchronizer 33c engages the motor power shaft first gear 31 and the reverse synchronizer 6c engages the reverse gear output gear 8.
  • the power drive system 100 can implement three reverse modes, namely, a mechanical reverse mode, an electric reverse mode, and a hybrid reverse mode, which enrich the reverse gear condition, and can flexibly perform the three types according to actual conditions. Switching in the gear mode to meet driving requirements.
  • the electric reverse gear mode can be used, so that not only does the harmful gas not be discharged when reversing, but also the energy consumption can be reduced, especially for the novice driver to reverse the vehicle.
  • the operation can be carried out several times to pour the vehicle into the designated position, and the engine 4 generates more harmful gas when reversing at a low speed, and the engine 4 is generally in a non-economical speed region when reversing, and the fuel consumption is relatively high.
  • the gear mode can improve this problem well, not only to reduce emissions, but also to use the motor as the power to achieve low-speed reverse energy consumption, and improve the fuel economy of the engine 4.
  • a mechanical reverse mode can be employed in the case where the vehicle battery charge is insufficient or low.
  • a hybrid reverse mode can be used to increase the power of the vehicle and facilitate reversing.
  • the reverse gear mode of the power drive system 100 is further enriched, giving the driver more choices, fully improving the driving pleasure, and better meeting the reverse gear requirements of different road conditions.
  • a second motor generator 52 may be additionally added to increase the power of the power drive system 100 to enrich the transmission mode.
  • the second motor generator 52 can be driven with the final drive driven gear 74, such as
  • a gear may be disposed on the motor shaft of the second motor generator 52, and the gear is directly meshed with the final drive driven gear 74.
  • the second motor generator 52 may also be disposed to be coupled to the first input shaft 11 or to the first output shaft 21.
  • the second motor generators 52 are two and disposed on opposite sides of the differential 75, for example, the two second motor generators 52 can be integrated with the differential 75. .
  • the aforementioned engine 4 and the first motor generator 51 are used to drive the front wheels
  • the second motor generator 52 may be a wheel motor and used for the rear wheels, or the second motor generator 52 may be driven by a speed reduction mechanism.
  • the rear wheels, or the second motor generator 52 are two and each drive a rear wheel through a speed reduction mechanism.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the engine 4 is connected to the input end 23d of the dual clutch 2d, the first output end 21d of the dual clutch 2d is connected to the first input shaft 11, and the second output end 22d of the dual clutch 2d is connected to the second input shaft 12 Connected, the input end 23d of the dual clutch 2d and the first output end 21d and the second output end 22d of the dual clutch 2d may be simultaneously in an open state, or the input end 23d of the dual clutch 2d may be coupled to the first output end of the dual clutch 2d.
  • 21d is engaged with one of the second output ends 22d, or the input end 23d of the dual clutch 2d is simultaneously engageable with the first output end 21d and the second output end 22d of the dual clutch 2d.
  • the second input shaft 12 is a hollow shaft structure, the first input shaft 11 is a solid shaft, the second input shaft 12 is coaxially sleeved on the first input shaft 11, and a part of the first input shaft 11 is from the second input shaft. 12 extends outward in the axial direction.
  • the first input shaft 11 is provided with a first driving gear 1a, a three-five driving gear 35a and a seven-speed driving gear 7a which are synchronously rotatable with the first input shaft 11.
  • the first gear driving gear 1a is located in the middle, and the seven-speed driving gear 7a Located on the right side, the three-five-speed drive gear 35a is located on the left side.
  • the second input shaft 12 is provided with a second-speed driving gear 2a and a four-six-speed driving gear 46a which are synchronously rotatable with the second input shaft 12.
  • the second-speed driving gear 2a is located on the left side and the four-six-speed driving gear 46a is located on the right side.
  • the first output shaft 21 is arranged in parallel with the two input shafts.
  • the first output shaft 21 is sleeved with a driven gear 1b, a second driven gear 2b, a third driven gear 3b and a fourth driven gear 4b.
  • the driven gear 1b directly meshes with the first gear drive gear 1a
  • the second gear driven gear 2b directly meshes with the second gear drive gear 2a
  • the third gear driven gear 3b directly meshes with the third and fifth gear drive gears 35a
  • the fourth gear driven gear 4b Directly meshes with the four or six-speed drive gear 46a.
  • the first output shaft 21 is further provided with a three-speed synchronizer 13c and a second-four-speed synchronizer 24c.
  • the three-speed synchronizer 13c is located between the first driven gear 1b and the third driven gear 3b, and is selectively selectable.
  • the first driven gear 1b or the third driven gear 3b is synchronized with the first output shaft 21, and the second and fourth speed synchronizers 24c are located between the second driven gear 2b and the fourth driven gear 4b, and are selectively
  • the second-speed driven gear 2b or the fourth-speed driven gear 4b is synchronized with the first output shaft 21.
  • the second output shaft 22 is also disposed in parallel with the two input shafts.
  • the second output shaft 22 is sleeved with a fifth-speed driven gear 5b, a sixth-speed driven gear 6b, and a seventh-speed driven gear 7b, and the fifth-speed driven gear 5b and The three-five-speed drive gear 35a is directly meshed,
  • the sixth-speed driven gear 6b meshes with the four-six-speed driving gear 46a
  • the seven-speed driven gear 7b meshes with the seven-speed driving gear 7a
  • the second output shaft 22 is further provided with a five-seven-speed synchronizer 57c and a six-speed synchronizer 6c.
  • the five-seven-speed synchronizer 57c is for synchronizing the fifth-speed driven gear 5b or the seven-speed driven gear 7b with the second output shaft 22, and the six-speed synchronizer 6c is for engaging the sixth-speed driven gear 6b or the empty sleeve.
  • the reverse gear output gear 8 on the two output shafts 22, that is, the six-speed synchronizer 6c constitutes a reverse gear synchronizer.
  • a gear 81 and a reverse intermediate gear 82 are fixedly disposed on the reverse shaft 89.
  • the reverse intermediate gear 82 meshes with the reverse output gear 8, and the gear 81 meshes with the first drive gear 1a.
  • the first output shaft 21 is fixedly disposed with a first output shaft output gear 211 that meshes with the final drive driven gear 74
  • the second output shaft 22 is fixedly provided with a second output shaft that meshes with the final drive driven gear 74.
  • the gear 221 is output.
  • the motor power shaft 3 is arranged in parallel with the two input shafts and the two output shafts.
  • the motor power shaft 3 is sleeved with a motor power shaft first gear 31 and a motor power shaft second gear 32.
  • the motor power shaft 3 is also provided with a motor.
  • a motor power shaft synchronizer 33c between the power shaft first gear 31 and the motor power shaft second gear 32, the motor power shaft synchronizer 33c selectively engaging the motor power shaft first gear 31 and the motor power shaft second gear One of the 32.
  • the motor power shaft first gear 31 meshes with the final drive driven gear 74
  • the motor power shaft second gear 32 meshes with the intermediate shaft second gear 712
  • the intermediate shaft second gear 712 and the intermediate shaft first gear 711 are fixed to the intermediate shaft.
  • the intermediate shaft first gear 711 meshes with the second speed driven gear 2b.
  • the first motor gear 511 is disposed on the motor shaft of the first motor generator 51, and the first motor gear 511 is meshed with the motor power shaft third gear 33 fixedly disposed on the motor power shaft 3 via the intermediate gear 512.
  • the input end 23d of the dual clutch 2d engages the second output end 22d and is disconnected from the first output end 21d, and the motor power shaft synchronizer 33c engages the motor power shaft second gear 32, so that the power output from the engine 4 sequentially passes through the dual clutch 2d.
  • the input end 23d, the second output end 22d, the second input shaft 12, the second gear pair, the intermediate shaft 71, the motor power shaft second gear 32, and the motor power shaft 3 are output to the first motor generator 51, thereby driving the first A motor generator 51 performs power generation.
  • constant speed ratio charging can be realized, and energy transfer efficiency is higher, and the selection of the speed ratio, the rotational speed of the engine 4 during parking, the selection of the first motor generator 51, and additional components such as peripheral bearings are provided.
  • the maximum allowable rotational speed has a direct relationship.
  • the above factors can be considered comprehensively, and the corresponding transmission speed ratio can be flexibly designed, so that the power drive system 100 can be utilized to maximize the use of the parking power generation.
  • the energy of the engine 4 achieves the purpose of fast charging. In short, when the power of the engine 4 is transmitted through the path of the second input shaft 12, the second gear pair, the motor power shaft second gear 32, and the motor power shaft 3, the purpose of optimal constant speed ratio charging can be improved. The charging efficiency and the fuel economy of the engine 4 are achieved.
  • the motor power shaft synchronizer 33c engages the motor power shaft first gear 31, so that the power generated by the first motor generator 51 can pass through the motor power shaft 3 and then from the motor power shaft first.
  • the gear 31 is output.
  • the path has fewer intermediate transmission components and high transmission efficiency.
  • the motor power shaft synchronizer 33c can also engage the motor power shaft second gear 32.
  • the power generated by the first motor generator 51 can pass through the second power shaft 32 of the motor power shaft and the intermediate shaft 71 from the second gear.
  • the moving gear 2b or the fourth-speed driven gear 4b is output.
  • the first motor generator 51 can output power to the wheels through the plurality of paths having different speed ratios, thereby driving the vehicle to travel.
  • different optimum speed ratios can be selected, respectively, so that the first motor generator 51 has the highest working efficiency.
  • the motor power shaft synchronizer 33c can engage the motor power shaft first gear 31, so that the power generated by the first motor generator 51 can be output from the motor power shaft first gear 31 through the motor power shaft 3.
  • the engine 4 can output power through any of the forward gear gear pairs, and the two-part power is coupled at the final drive driven gear 74 to share the output.
  • the first motor generator 51 can perform speed regulation, so that the final drive driven gear 74 can synchronously receive the power from the engine 4 and the first motor generator 51 in a balanced manner, thereby improving the transmission. Ride and coordination.
  • the motor power shaft synchronizer 33c can also engage the second shaft 32 of the motor power shaft.
  • the power generated by the first motor generator 51 can be output to the second input shaft through the second gear 32 of the motor power shaft and the intermediate shaft 71. 12, whereby the power of the first motor generator 51 can be output through the second gear pair or the fourth gear pair.
  • the engine 4 can output power through any of the forward gear gear pairs, and is coupled with the power output from the first motor generator 51 to share the output to the wheels.
  • the first motor generator 51 can perform speed regulation to enable the second input shaft 12 to synchronously receive power from the engine 4 and the first motor generator 51 in a balanced manner. Improve the smoothness and coordination of the transmission.
  • the engine 4 outputs power by a first or third gear pair, and the first motor generator 51 can perform speed regulation to enable the first output shaft 21 to synchronously receive power from the engine 4 and the first motor generator 51 in a balanced manner. Improve the smoothness and coordination of the transmission.
  • the engine 4 outputs power with a five-gear gear pair or a seven-gear gear pair
  • the first motor-generator 51 can perform speed regulation such that the final drive driven gear 74 can synchronously receive the same from the engine 4 and the first motor-generator
  • the power of the machine 51 improves the smoothness and coordination of the transmission.
  • any hybrid path in the first and second schemes of any of the above-mentioned gears can be flexibly selected according to actual needs, which greatly enriches the power drive system 100.
  • the transmission mode improves the driving pleasure, enables the vehicle to better adapt to different road conditions, and improves the vehicle's power and fuel economy.
  • the motor power shaft synchronizer 33c can engage the motor power shaft first gear 31, and the engine 4 can output the power to drive the vehicle through any forward gear.
  • the first motor generator 51 can pass the wheel reverse drag motor power shaft first.
  • the gear 31 generates electricity.
  • the motor power shaft synchronizer 33c can engage the motor power shaft second gear 32, and the engine 4 can output power through the even gear gear pair, for example, through the second gear pair, the fourth gear pair or the sixth gear pair output.
  • another part of the power generated by the engine 4 can be output to the first motor generator 51 through the second gear pair, the intermediate shaft 71, and the motor power shaft second gear 32, thereby driving the first motor generator 51 to generate electricity.
  • the double clutch 2d has only one clutch engaged during the transmission, for example, the input end 23d is engaged with the first output end 21d or the input end 23d and the second The output end 22d is engaged, in particular, according to the power drive system 100 of the embodiment of the present disclosure, in the case where the input end 23d of the dual clutch 2d is simultaneously engaged with the first output end 21d and the second output end 22d, side drive can also be realized. Side charging conditions.
  • the motor power shaft synchronizer 33c engages the second shaft 32 of the motor power shaft, and the engine 4 can output a part of the power to the second input shaft 12, and the power can pass through the second gear pair, the intermediate shaft 71, and the motor power shaft.
  • the second gear 32 is then output to the first motor generator 51, thereby driving the first motor generator 51 to generate electricity.
  • the engine 4 can output another part of the power to the first input shaft 11, which can be output through the first gear pair, the third gear pair, the fifth gear pair or the seven gear pair.
  • the transmission mode of the system 100 improves the driving pleasure, enables the vehicle to better adapt to different road conditions, and improves the power and fuel economy of the vehicle.
  • part of the power involved in the engine 4 passes through the second input shaft 12, the second gear pair, the intermediate shaft 71, the motor power shaft second gear 32, and the motor power shaft. 3 When this path is transmitted, it is possible to achieve the optimal fixed speed ratio charging, thereby improving the charging efficiency and the fuel economy of the engine 4.
  • the six-speed synchronizer 6c engages the reverse output gear 8, and the power output by the engine 4 passes through the first input shaft 11, the reverse shaft 89, The reverse output gear 8 is output from the second output shaft 22.
  • the motor power shaft synchronizer 33c engages the motor power shaft first gear 31, and the power generated by the first motor generator 51 passes through the motor power shaft 3 and the motor power shaft first gear 31. Output to the wheel.
  • the six-speed synchronizer 6c engages the reverse output gear 8 and the motor power shaft synchronizer 33c engages the motor power shaft first gear 31, the engine 4
  • the reverse power is output from the second output shaft 22, and the first motor generator 51 outputs power from the motor power shaft first gear 31, and the two-part power is coupled at the final drive driven gear 74 to share the output.
  • the first motor generator 51 can perform speed regulation, so that the final drive driven gear 74 can synchronously receive the power from the engine 4 and the first motor generator 51 in synchronization, thereby improving the smoothness and coordination of the transmission.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the main difference between the power drive system 100 in this embodiment and the power drive system 100 shown in FIG. 1 is that the intermediate gear 512 and the corresponding drive shaft are eliminated, and the intermediate shaft 71 is implemented in comparison with FIG.
  • the example is further simplified, and the rest is basically the same as the embodiment of FIG. 1, and details are not described herein again.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the main difference between the power drive system 100 in this embodiment and the power drive system 100 shown in FIG. 5 is that the intermediate shaft 71 is eliminated, and the motor power shaft second gear 32 is directly connected to the second gear driven gear. 2b is engaged, and the rest is basically the same as the embodiment of FIG. 5, and details are not described herein again.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the main difference between the power drive system 100 in this embodiment and the power drive system 100 shown in FIG. 6 is that the first motor generator 51 is coaxially connected to the motor power shaft 3, and the FIG. 6 is cancelled.
  • the related gear transmission structure, the rest is basically the same as the embodiment of FIG. 6, and will not be described again here.
  • Embodiment 5 - Embodiment 7
  • the main difference between the power drive system 100 in this embodiment and the power drive system 100 shown in FIG. 1 is that the gear driven gears that the first motor generator 51 is connected to are different.
  • the power of the first motor generator 51 is connected to the third gear driven gear 3b, the fourth gear driven gear 4b is inserted in Fig. 3, and the first gear driven gear 1b is inserted in Fig. 4.
  • FIGS. 5-7 only the power of the first motor generator 51 is shown to be in the second gear driven gear 2b (same as FIG. 1), but it can be understood that FIG. 5 - FIG.
  • the embodiment can also refer to the access mode of the motor power of FIG. 2 to FIG. 4, that is, the first driven gear 1b, the third driven gear 3b or the fourth driven gear 4b (not shown) can be respectively connected.
  • a vehicle including the power drive system 100 as described above is further provided in accordance with an embodiment of the present disclosure.
  • other configurations of vehicles in accordance with embodiments of the present disclosure such as travel systems, steering systems, braking systems, etc., are well known in the art and are well known to those of ordinary skill in the art, thus details of known structures The description is omitted here.

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Abstract

一种动力驱动系统和车辆,该系统具有七个前进挡位且包括:发动机(4)设置成可选择性地接合多个输入轴(11,12)中的至少一个;多个输出轴(21,22),输入轴(11,12)和输出轴(21,22)通过挡位齿轮副传动,输出轴(21,22)中的一个上设置有倒挡输出齿轮(8)和倒挡同步器(6c);倒挡轴(89),倒挡轴(89)与输入轴(11,12)中的一个以及倒挡输出齿轮(8)联动;电机动力轴(3),电机动力轴(3)上空套有电机动力轴第一齿轮(31)、第二齿轮(32)和位于其之间的电机动力轴同步器(33c),电机动力轴第二齿轮(32)与其中一个挡位从动齿轮联动;第一电动发电机(51),第一电动发电机(51)与电机动力轴(3)联动。

Description

动力驱动系统和车辆 技术领域
本公开涉及汽车技术领域,尤其是涉及一种动力驱动系统和车辆。
背景技术
随着能源的不断消耗,新能源车型的开发和利用已逐渐成为一种趋势。作为新能源车型中的一种,混合动力汽车通过发动机和/或电机进行驱动,具有多种驱动模式,从而可以改善传动效率和燃油经济性。
但是,发明人所了解的相关技术中,混合动力汽车中的变速器结构复杂,传动模式少,传动效率偏低。此外,传统混合动力汽车中的变速器多为五挡或六挡,传动效率不高。
发明内容
本公开旨在至少在一定程度上解决现有技术中的上述技术问题之一。为此,本公开的一个目的在于提出一种动力驱动系统,该动力驱动系统传动模式丰富,并具有七个前进挡位,能够更好地满足车辆行驶时对动力与扭矩的需求。
本公开的另一个目的在于提出一种车辆,该车辆包括上述的动力驱动系统。
根据本公开实施例的动力驱动系统,所述动力驱动系统具有七个前进挡位,所述动力驱动系统包括:发动机;多个输入轴,所述发动机设置成可选择性地接合所述多个输入轴中的至少一个,每个所述输入轴上设置有挡位主动齿轮;多个输出轴,每个所述输出轴上设置有挡位从动齿轮,多个所述挡位从动齿轮与多个所述挡位主动齿轮对应地啮合,所述多个输出轴中的一个上空套设置有倒挡输出齿轮且还设置有用于接合所述倒挡输出齿轮的倒挡同步器;倒挡轴,所述倒挡轴设置成与所述多个输入轴中的一个以及所述倒挡输出齿轮联动;电机动力轴,所述电机动力轴上空套设置有电机动力轴第一齿轮和电机动力轴第二齿轮,所述电机动力轴上还设置有位于所述电机动力轴第一齿轮与所述电机动力轴第二齿轮之间的电机动力轴同步器,其中所述电机动力轴第二齿轮设置成与其中一个挡位从动齿轮联动;以及第一电动发电机,所述第一电动发电机设置成与所述电机动力轴联动。
根据本公开实施例的动力驱动系统,能够在车辆行驶以及驻车时实现充电功能,丰富了充电模式,至少在一定程度上解决了现有动力传动系统充电方式单一、充电效率低等问题。简言之,根据本公开实施例的动力驱动系统能够实现行车充电和驻车充电两类充电模 式。而且,根据本公开实施例的动力驱动系统具有七个前进挡位,使得动力在传递时更加平顺,传动效率高,而且七个不同的传动速比能够更好地满足车辆在不同路况下对动力和扭矩的需求。
此外,根据本公开实施例的动力驱动系统还可以具有如下附加技术特征:
根据本公开的一些实施例,所述多个输入轴包括:第一输入轴和第二输入轴,所述第二输入轴套设在所述第一输入轴上;所述多个输出轴包括:第一输出轴和第二输出轴;所述第一输入轴上固定设置有一挡主动齿轮、三五挡主动齿轮和七挡主动齿轮,所述第二输入轴上固定设置有二挡主动齿轮和四六挡主动齿轮;所述第一输出轴上空套设置有一挡从动齿轮、二挡从动齿轮、三挡从动齿轮和四挡从动齿轮,所述第二输出轴上空套设置有五挡从动齿轮、六挡从动齿轮和七挡从动齿轮;所述一挡从动齿轮与所述三挡从动齿轮之间设置有一三挡同步器,所述二挡从动齿轮与所述四挡从动齿轮之间设置有二四挡同步器,所述五挡从动齿轮与所述七挡从动齿轮之间设置有五七挡同步器,所述六挡从动齿轮的一侧设置有六挡同步器。
根据本公开的一些实施例,所述倒挡输出齿轮空套在所述第二输出轴上且与所述六挡从动齿轮相邻,所述倒挡输出齿轮与所述六挡从动齿轮共用六挡同步器,从而所述六挡同步器构成倒挡同步器。
根据本公开的一些实施例,所述第一输出轴上固定设置有第一输出轴输出齿轮,所述第二输出轴上固定设置有第二输出轴输出齿轮,所述第一输出轴输出齿轮、所述第二输出轴输出齿轮和所述电机动力轴第一齿轮均与所述车辆的主减速器从动齿轮啮合。
根据本公开的一些实施例,所述动力驱动系统还包括:双离合器,所述双离合器具有输入端、第一输出端和第二输出端,所述发动机与所述输入端相连,所述第一输出端与所述第一输入轴相连,所述第二输出端与所述第二输入轴相连。
根据本公开的一些实施例,所述电机动力轴第二齿轮与所述一挡从动齿轮、所述二挡从动齿轮、所述三挡从动齿轮以及所述四挡从动齿轮中的一个从动齿轮联动。
根据本公开的一些实施例,所述倒挡输出齿轮与相邻的一个挡位从动齿轮共用挡位同步器,共用的所述挡位同步器构成倒挡同步器。
根据本公开的一些实施例,所述二挡主动齿轮、所述四六挡主动齿轮、所述三五挡主动齿轮、所述一挡主动齿轮和所述七挡主动齿轮与所述发动机的距离递增。
根据本公开的一些实施例,所述动力驱动系统还包括:中间轴,所述中间轴上固定设置有中间轴第一齿轮和中间轴第二齿轮,所述中间轴第一齿轮与所述其中一个挡位从动齿轮啮合,所述中间轴第二齿轮与所述电机动力轴第二齿轮啮合。
根据本公开实施例的车辆,包括上述实施例中的动力驱动系统。
附图说明
图1是根据本公开一个实施例的动力驱动系统的示意图;
图2是根据本公开另一个实施例的动力驱动系统的示意图;
图3是根据本公开又一个实施例的动力驱动系统的示意图;
图4是根据本公开再一个实施例的动力驱动系统的示意图;
图5是根据本公开再一个实施例的动力驱动系统的示意图;
图6是根据本公开再一个实施例的动力驱动系统的示意图;
图7是根据本公开再一个实施例的动力驱动系统的示意图。
具体实施方式
下面详细描述本公开的实施例,所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的,旨在用于解释本公开,而不能理解为对本公开的限制。
在本公开的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本公开和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本公开的限制。
此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本公开的描述中,“多个”的含义是至少两个,例如两个,三个等,除非另有明确具体的限定。
在本公开中,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接,也可以是电连接或可以互相通讯;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本公开中的具体含义。
在本公开中,除非另有明确的规定和限定,第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触,也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且,第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方,或仅仅表示第一特征水平高度高于第二特征。第一 特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方,或仅仅表示第一特征水平高度小于第二特征。
下面结合图1-图7对根据本公开实施例的动力驱动系统100进行详细描述,该动力驱动系统100适用于诸如混合动力汽车的车辆中,并作为车辆的动力系统,为车辆正常行驶提供充足的动力和电能。
根据本公开实施例的动力驱动系统100主要包括两大部分,其一可为动力源,动力源可以是发动机4、电动发电机等,其二可为变速器(包括多个输入轴、多个输出轴、挡位齿轮副等),变速器用于实现对动力源输出动力的变速功能,满足车辆行驶要求或充电要求等。
例如,在一些实施例中,如图1-图7所示,动力驱动系统100可以包括发动机4、第一电动发电机51和变速器,但不限于此。
结合图1所示,在一些实施例中,变速器主要包括多个输入轴(例如,第一输入轴11、第二输入轴12)、多个输出轴(例如,第一输出轴21、第二输出轴22)和电机动力轴3及各轴上相关齿轮以及换挡元件(如,同步器)。
在发动机4与输入轴之间进行动力传递时,发动机4设置成可选择性地接合多个输入轴中的至少一个。换言之,例如,在发动机4向输入轴传输动力时,发动机4能够选择性地与多个输入轴中的一个接合以传输动力,或者发动机4还能够选择性地与多个输入轴中的两个或两个以上输入轴同时接合以传输动力。
例如,在图1-图7的示例中,多个输入轴可以包括第一输入轴11和第二输入轴12两根输入轴,发动机4能够选择性地与第一输入轴11和第二输入轴12之一接合以传输动力。或者,特别地,发动机4还能与第一输入轴11和第二输入轴12同时接合以传输动力。当然,应当理解的是,发动机4还可同时与第一输入轴11和第二输入轴12断开。
对于本领域的普通技术人员而言,发动机4与输入轴的接合状态与动力驱动系统100的具体工况相关,这将在下面结合具体的实施例进行详述,这里不再详细说明。
输入轴与输出轴之间可以通过挡位齿轮副进行传动。例如,每个输入轴上均设置有挡位主动齿轮,每个输出轴上均设置有挡位从动齿轮,多个挡位从动齿轮与多个挡位主动齿轮对应地啮合,从而构成多对速比不同的齿轮副。
在本公开的一些实施例中,动力驱动系统100可以具有七个前进挡齿轮副,即具有一挡齿轮副、二挡齿轮副、三挡齿轮副、四挡齿轮副、五挡齿轮副、六挡齿轮副和七挡齿轮副。
如图1-图7所示,输出轴中的一个上空套设置有倒挡输出齿轮8,并且该输出轴上还设置有用于接合倒挡输出齿轮8的倒挡同步器(例如六挡同步器6c),换言之,倒挡同步 器可以用于接合倒挡输出齿轮8和该输出轴,从而使得输出轴与倒挡输出齿轮8能够同步转动,进而倒挡动力能够从该输出轴输出。
在一些实施例中,如图1-图7,倒挡输出齿轮8为一个,该一个倒挡输出齿轮8可以空套在第二输出轴22上,倒挡同步器可以是六挡同步器6c(即,挡位同步器)。
倒挡轴89设置成与多个输入轴中的一个以及倒挡输出齿轮8联动,例如,多个输入轴中的所述一个上的动力可以通过倒挡轴89传递给倒挡输出齿轮8,从而倒挡动力能够从倒挡输出齿轮8输出。在本公开的示例中,倒挡输出齿轮8是空套在第二输出轴22上的,并且倒挡轴89是与第一输入轴11联动的,具体地,发动机4输出的倒挡动力可通过第一输入轴11、倒挡轴89后输出给倒挡输出齿轮8。
需要说明的是,上述的“联动”可以理解为多个部件(例如,两个)关联运动,以两个部件联动为例,在其中一个部件运动时,另一个部件也随之运动。
例如,在本公开的一些实施例中,齿轮与轴联动可以理解为是在齿轮旋转时、与其联动的轴也将旋转,或者在该轴旋转时、与其联动的齿轮也将旋转。
又如,轴与轴联动可以理解为是在其中一根轴旋转时、与其联动的另一根轴也将旋转。
再如,齿轮与齿轮联动可以理解为是在其中一个齿轮旋转时、与其联动的另一个齿轮也将旋转。
在本公开下面有关“联动”的描述中,如果没有特殊说明,均作此理解。
进一步,如图1-图7所示,倒挡轴89上可以设置有齿轮81,齿轮81可与多个输入轴中的所述一个上的挡位主动齿轮啮合传动,例如齿轮81可与第一输入轴11上的一挡主动齿轮1a直接啮合传动,但不限于此。
再进一步,倒挡轴89上还设置有倒挡中间齿轮82,倒挡中间齿轮82固定在倒挡轴89上,并且倒挡中间齿轮82与倒挡输出齿轮8对应地啮合。
如图1-图7所述,倒挡输出齿轮8是空套在多个输出轴中的一个上的,因此倒挡输出齿轮8若要利用其空套的输出轴将倒挡动力输出,需要设置倒挡同步器(例如六挡同步器6c)以用来同步倒挡输出齿轮8和对应的输出轴。作为优选的实施方式,倒挡输出齿轮8与相邻的一个挡位从动齿轮(例如六挡从动齿轮6b)共用挡位同步器,换言之,对于与倒挡输出齿轮8布置在同一输出轴上的挡位从动齿轮而言,由于挡位从动齿轮同样空套在该输出轴上并需要挡位同步器接合输出轴以输出动力,因此倒挡输出齿轮8可以邻近挡位从动齿轮设置,从而与挡位从动齿轮共用挡位同步器,这样挡位同步器的接合套沿轴向向左或向右移动时可以接合倒挡输出齿轮8或对应的挡位从动齿轮。
由此,可以减少同步器的数量和拨叉机构的数量,使得动力驱动系统100的轴向尺寸和径向尺寸相对更小,结构更加紧凑,控制更方便,降低了成本。
当然,可以理解的是,本公开的倒挡同步器也可以是独立于挡位同步器的单独的同步器。
关于挡位同步器构成倒挡同步器的具体实施例,将在下面结合附图进行详细描述,这里不再详细说明。
下面对电机动力轴3进行详细描述。如图1-图7所示,电机动力轴3上空套设置有电机动力轴第一齿轮31、电机动力轴第二齿轮32。电机动力轴第一齿轮31可与主减速器从动齿轮74啮合传动。
电机动力轴第二齿轮32设置成与其中一个挡位从动齿轮联动,在具有根据本公开实施例的动力驱动系统100的车辆处于某些工况时(具体工况将在下面结合具体的实施例进行详述),动力源输出的动力可以在电机动力轴第二齿轮32以及与其联动的挡位从动齿轮之间进行传递。
例如在图1-图4的示例中,电机动力轴第二齿轮32分别与一挡从动齿轮1b、二挡从动齿轮2b、三挡从动齿轮3b以及四挡从动齿轮4b中的一个从动齿轮联动。以图1为例,电机动力轴第二齿轮32与二挡从动齿轮2b可以直接啮合或通过中间传动部件间接传动,这将在下面结合具体的实施例进行详细描述。
进一步,电机动力轴3上还设置有电机动力轴同步器33c,电机动力轴同步器33c位于电机动力轴第一齿轮31与电机动力轴第二齿轮32之间,电机动力轴同步器33c可以选择性地将电机动力轴第一齿轮31或电机动力轴第二齿轮32与电机动力轴3接合。例如在图1的示例中,电机动力轴同步器33c的接合套向左移动可接合电机动力轴第二齿轮32、向右移动则可接合电机动力轴第一齿轮31。
类似地,第一电动发电机51设置成能够与电机动力轴3联动。例如,第一电动发电机51在作为电动机工作时,可将产生的动力输出给电机动力轴3。又如,在第一电动发电机51作为发电机工作时,经电机动力轴3的动力可以输出至第一电动发电机51,从而驱动第一电动发电机51进行发电。
这里,需要说明一点,在本公开有关“电动发电机”的描述中,如果没有特殊说明,该电动发电机可以理解为是具有发电机与电动机功能的电机。
如上所述,电机动力轴第二齿轮32与其中一个挡位从动齿轮联动,特别地,第一电动发电机51能够利用来自发动机4输出的至少部分动力在车辆行驶以及驻车时进行发电。
换言之,在车辆处于行驶状态且电机动力轴第二齿轮32和该挡位从动齿轮联动时,发动机4的至少部分动力可以通过该挡位从动齿轮、电机动力轴第二齿轮32、电机动力轴3后输出至第一电动发电机51,从而驱动第一电动发电机51进行发电,实现发动机4边驱动边充电工况。
特别地,在车辆处于驻车(车辆停止但发动机4仍处于工作状态,如发动机4怠速)状态且电机动力轴第二齿轮32与该挡位从动齿轮联动时,发动机4的至少部分动力可以通过该挡位从动齿轮、电机动力轴第二齿轮32、电机动力轴3后输出至第一电动发电机51,从而驱动第一电动发电机51进行发电,实现驻车充电功能(即“停车”充电),由此可以大大提高充电效率以及发动机4的燃油经济性。
对于电机动力轴第一齿轮31而言,由于其与主减速器从动齿轮74啮合,因此第一电动发电机51可通过电机动力轴同步器33c接合电机动力轴第一齿轮31而将产生的动力直接从电机动力轴第一齿轮31输出,这样可以缩短传动链,减少中间传动部件,提高传动效率。
需要说明一点,在本公开的描述中,电机动力轴3可以是第一电动发电机51自身的电机轴。当然,可以理解的是,电机动力轴3与第一电动发电机51的电机轴也可以是两个单独的轴。
由此,根据本公开实施例的动力驱动系统100,能够在车辆行驶以及驻车时实现充电功能,丰富了充电模式,至少在一定程度上解决了现有动力传动系统充电方式单一、充电效率低等问题。简言之,根据本公开实施例的动力驱动系统100能够实现行车充电和驻车充电两类充电模式。而且,根据本公开实施例的动力驱动系统100具有七个前进挡位,使得动力在传递时更加平顺,传动效率高,而且七个不同的传动速比能够更好地满足车辆在不同路况下对动力和扭矩的需求。
下面参照图1-图7对动力驱动系统100的具体构造结合具体的实施例进行详细描述。
首先对电机动力轴3与挡位从动齿轮的传动方式结合具体实施例进行详细说明。
在本公开的一些实施例中,如图1-图4所示,动力驱动系统100还包括中间轴71,中间轴71上固定设置有中间轴第一齿轮711和中间轴第二齿轮712,中间轴第一齿轮711与所述其中一个挡位从动齿轮啮合(例如,二挡从动齿轮2b),中间轴第二齿轮712与电机动力轴第二齿轮32啮合。简言之,在该一些实施例中,电机动力轴第二齿轮32是通过中间轴第二齿轮712和中间轴第一齿轮711与所述其中一个挡位从动齿轮联动的。
而在另一些实施例中,如图5所示,中间轴71上只固定设置有中间轴第三齿轮713,电机动力轴第二齿轮32通过中间轴第三齿轮713与所述其中一个挡位从动齿轮(例如,二挡从动齿轮2b)传动。
在又一些实施例中,如图6-图7所示,电机动力轴第二齿轮32与所述其中一个挡位从动齿轮(例如,二挡从动齿轮2b)直接啮合传动。
其次对电机动力轴3与第一电动发电机51的传动方式结合具体实施例进行详细说明。
在一些实施例中,如图1-图6所示,电机动力轴3上还固定设置有电机动力轴第三齿 轮33,第一电动发电机51设置成与电机动力轴第三齿轮33直接啮合传动或间接传动。
进一步,如图1-图4所示,第一电动发电机51的电机轴上设置有第一电机齿轮511,第一电机齿轮511通过中间齿轮512与电机动力轴第三齿轮33传动。又如,在图5-图6的示例中,第一电动发电机51的电机轴上设置有第一电机齿轮511,第一电机齿轮511直接与电机动力轴第三齿轮33啮合。再如,在图7的示例中,第一电动发电机51与电机动力轴3也可以同轴相连。
下面结合图1-图7的实施例对输入轴、输出轴以及各挡位齿轮进行详细描述。
在本公开的一些实施例,如图1-图7所示,多个输入轴可以是两个,即多个输入轴包括第一输入轴11和第二输入轴12,第二输入轴12可以是空心轴,第一输入轴11可以是实心轴,第一输入轴11的一部分可以嵌设在空心的第二输入轴12内,第一输入轴11的另一部分可从第二输入轴12内沿轴向向外伸出,第一输入轴11和第二输入轴12可以是同轴布置的。
多个输出轴可以是两个,即第一输出轴21和第二输出轴22,第一输出轴21和第二输出轴22与多个输入轴平行布置,第一输出轴21和第二输出轴22可以均为实心轴。
根据本公开实施例的动力驱动系统100可以具有七个前进挡位,具体地,其中一个输入轴如第一输入轴11上可以布置奇数挡挡位主动齿轮,另一个输入轴如第二输入轴12上可以布置偶数挡挡位主动齿轮,从而第一输入轴11负责奇数挡位齿轮副的动力传递,第二输入轴12负责偶数挡位齿轮副的动力传递。另外,作为一种优选的实施方式,在多个挡位主动齿轮中,至少有一个挡位主动齿轮分别与两个挡位从动齿轮啮合传动,即至少有一个挡位主动齿轮为两个挡位从动齿轮所共用,由此可以减少挡位主动齿轮的数量,减小动力驱动系统的轴向尺寸,便于布置。
更具体地,如图1-图7所示,第一输入轴11上可以布置有一挡主动齿轮1a、三五挡主动齿轮35a和七挡主动齿轮7a,第二输入轴12上可以布置有二挡主动齿轮2a和四六挡主动齿轮46a,每个挡位主动齿轮均随对应的输入轴同步转动。
对应地,如图1-图7所示,第一输出轴21上设置有一挡从动齿轮1b、二挡从动齿轮2b、三挡从动齿轮3b和四挡从动齿轮4b,第二输出轴22上设置有五挡从动齿轮5b、六挡从动齿轮6b和七挡从动齿轮7b,每个挡位从动齿轮均空套在对应的输出轴上,即每个挡位从动齿轮相对于对应的输出轴能够差速转动。
其中,一挡从动齿轮1b与一挡主动齿轮1a啮合从而构成一挡齿轮副,二挡从动齿轮2b与二挡主动齿轮2a啮合从而构成二挡齿轮副,三挡从动齿轮3b与三五挡主动齿轮35a啮合从而构成三挡齿轮副,四挡从动齿轮4b与四六挡主动齿轮46a啮合从而构成四挡齿轮副,五挡从动齿轮5b与三五挡主动齿轮35a啮合从而构成五挡齿轮副,六挡从动齿轮6b 与四六挡主动齿轮46a啮合从而构成六挡齿轮副、七挡从动齿轮7b与七挡主动齿轮7a啮合从而构成七挡齿轮副。
其中四挡齿轮副和六挡齿轮副共用四六挡主动齿轮46a,三挡齿轮副和五挡齿轮副共用三五挡主动齿轮35a,从而可以减少两个挡位主动齿轮,使得动力驱动系统100的结构更加紧凑,轴向尺寸更小。
由于从动齿轮与输出轴之间为空套结构,因此需要设置同步器对相应的从动齿轮与输出轴进行同步,以实现动力的输出。
在一些实施例中,结合图1-图7所示,动力驱动系统100包括一三挡同步器13c、二四挡同步器24c、五七挡同步器57c和六挡同步器6c。
如图1所示,一三挡同步器13c设置在第一输出轴21上且位于一挡从动齿轮1b与三挡从动齿轮3b之间,一三挡同步器13c可将一挡从动齿轮1b或三挡从动齿轮3b与第一输出轴21进行接合,从而使该从动齿轮与输出轴能够同步转动。
例如,结合图1所示,一三挡同步器13c的接合套向左移动可将三挡从动齿轮3b与第一输出轴21接合,从而三挡从动齿轮3b与第一输出轴21能够同步转动。一三挡同步器13c的接合套向右移动可将一挡从动齿轮1b与第一输出轴21接合,从而一挡从动齿轮1b与第一输出轴21能够同步转动。
如图1所示,类似地,二四挡同步器24c设置在第一输出轴21上且位于二挡从动齿轮2b与四挡从动齿轮4b之间,二四挡同步器24c可将二挡从动齿轮2b或四挡从动齿轮4b与第一输出轴21进行接合,从而使该从动齿轮与输出轴能够同步转动。
例如,结合图1所示,二四挡同步器24c的接合套向左移动可将二挡从动齿轮2b与第一输出轴21接合,从而二挡从动齿轮2b与第一输出轴21同步转动。二四挡同步器24c的接合套向右移动可将四挡从动齿轮4b与第一输出轴21接合,从而四挡从动齿轮4b与第一输出轴21同步转动。
如图1所示,类似地,五七挡同步器57c设置在第二输出轴22上,五七挡同步器57c位于五挡从动齿轮5b和七挡从动齿轮7b之间,五七挡同步器57c用于将五挡从动齿轮5b或七挡从动齿轮7b与第二输出轴22接合,例如五七挡同步器57c的接合套向右移动,则可将七挡从动齿轮7b与第二输出轴22接合,从而七挡从动齿轮7b与第二输出轴22同步转动。又如,五七挡同步器57c的接合套向左移动,则可将五挡从动齿轮5b与第二输出轴22接合,从而五挡从动齿轮5b与第二输出轴22同步转动。
如图1所示,类似地,六挡同步器6c设置在第二输出轴22上,六挡同步器6c位于六挡从动齿轮6b的一侧,例如左侧,六挡同步器6c用于将六挡从动齿轮6b与第二输出轴22接合,例如六挡同步器6c的接合套向右移动,则可将六挡从动齿轮6b与第二输出轴22 接合,从而六挡从动齿轮6b与第二输出轴22同步转动。
如图1-图7所示,倒挡输出齿轮8与六挡从动齿轮6b相邻设置以共用六挡同步器6c,从而六挡同步器6c构成倒挡同步器。结合图1-图7所示,六挡同步器6c的接合套向左移动可接合倒挡输出齿轮8、而向右移动可接合六挡从动齿轮6b。
在一些实施例中,如图1所示,二挡主动齿轮2a、四六挡主动齿轮46a、三五挡主动齿轮35a、一挡主动齿轮1a、七挡主动齿轮7a与发动机4的距离递增。由此,挡位布置更加合理,动力驱动系统100更加紧凑,径向及轴向尺寸相对更小。
在本公开的一些实施例中,发动机4与变速器的第一输入轴11和第二输入轴12之间可以是通过双离合器2d进行动力传递或分离的。
参照图1-图7所示,双离合器2d具有输入端23d、第一输出端21d和第二输出端22d,发动机4与双离合器2d的输入端23d相连,具体而言,发动机4可以通过飞轮、减震器或扭转盘等多种形式与双离合器2d的输入端23d相连。
双离合器2d的第一输出端21d与第一输入轴11相连,从而该第一输出端21d与第一输入轴11同步旋转。双离合器2d的第二输出端22d与第二输入轴12相连,从而该第二输出端22d与第二输入轴12同步旋转。
其中,双离合器2d的输入端23d可以是双离合器2d的壳体,其第一输出端21d和第二输出端22d可以是两个从动盘。一般地,壳体与两个从动盘可以是都断开的,即输入端23d与第一输出端21d和第二输出端22d均断开,在需要接合其中一个从动盘时,可以控制壳体与相应从动盘进行接合从而同步旋转,即输入端23d与第一输出端21d和第二输出端22d之一接合,从而输入端23d传来的动力可以通过第一输出端21d和第二输出端22d中的一个输出。
特别地,壳体也可以同时与两个从动盘接合,即输入端23d也可以同时与第一输出端21d和第二输出端22d接合,从而输入端23d传来的动力可同时通过第一输出端21d和第二输出端22d输出。
应当理解,双离合器2d的具体接合状态受到控制策略的影响,对于本领域的技术人员而言,可以根据实际所需的传动模式而适应性设定控制策略,从而可以在输入端23d与两个输出端全部断开以及输入端23d与两个输出端至少之一接合的多种模式中进行切换。
下面结合图1-图7对三个动力输出轴(即第一输出轴21、第二输出轴22和电机动力轴3)与车辆差速器75之间的连接关系进行详细描述。
车辆的差速器75可以布置在一对前轮76之间或一对后轮之间,在本公开的一些示例中,差速器75是位于一对前轮76之间的。差速器75的作用是当车辆转弯行驶或在不平路面上行驶时,使左右驱动车轮以不同的角速度滚动,以保证两侧驱动轮与地面间作纯滚动 运动。差速器75上设置有主减速器从动齿轮74,例如主减速器从动齿轮74可以布置在差速器75的壳体上。主减速器从动齿轮74可以是锥齿轮,但不限于此。
进一步,第一输出轴21上固定设置有第一输出轴输出齿轮211,第一输出轴输出齿轮211随第一输出轴21同步转动,第一输出轴输出齿轮211与主减速器从动齿轮74啮合传动,从而经第一输出轴21的动力能够从第一输出轴输出齿轮211传递至主减速器从动齿轮74以及差速器75。
类似地,第二输出轴22上固定设置有第二输出轴输出齿轮221,第二输出轴输出齿轮221随第二输出轴22同步转动,第二输出轴输出齿轮221与主减速器从动齿轮74啮合传动,从而经第二输出轴22的动力能够从第二输出轴输出齿轮221传递至主减速器从动齿轮74以及差速器75。
类似地,电机动力轴第一齿轮31可用于输出经电机动力轴3的动力,因此电机动力轴第一齿轮31同样与主减速器从动齿轮74啮合传动。
根据本公开实施例的动力驱动系统100的一些典型工况包括驻车发电模式、双离合器2d的两个输出端21d和22d同时接合情况下的边驱动边充电模式以及倒挡模式。
首先描述驻车发电模式这一典型工况,在车辆处于驻车状态时,发动机4设置成将产生的动力输出至与电机动力轴第二齿轮32联动的所述其中一个挡位从动齿轮,并通过电机动力轴同步器33c对电机动力轴第二齿轮32的同步而使得动力输出给第一电动发电机以驱动第一电动发电机进行发电。
具体而言,结合图1所示的实施例,发动机4在车辆驻车后能够将动力通过双离合器2d而输出给第二输入轴12,电机动力轴同步器33c接合电机动力轴第二齿轮32,从而经第二输入轴12的动力可以通过二挡齿轮副、中间轴第一齿轮711、中间轴71、中间轴第二齿轮712、电机动力轴第二齿轮32、电机动力轴同步器33c、电机动力轴3、电机动力轴第三齿轮33、中间齿轮512、第一电机齿轮511后输出给第一电动发电机51,从而驱动第一电动发电机51作为发电机进行发电。
由此,实现了驻车发电功能,丰富了充电模式,且驻车发电工况下车辆处于静止状态,发动机4的动力可以全部用于充电,提高了充电效率,实现快速供电功能。
其次描述双离合器2d的两个输出端21d和22d同时接合情况下的边驱动边充电工况,在该工况下,发动机4能够通过输入端23d与第一输出端21d和第二输出端22d的同时接合作用而将其中一部分动力通过其中一根输出轴输出给车轮以作为车辆行驶的动力,并将另一部分动力通过电机动力轴第二齿轮32输出给第一电动发电机51以驱动第一电动发电机51进行发电。
具体而言,结合图1所示的实施例,该工况下,电机动力轴同步器33c接合电机动力 轴第二齿轮32,发动机4的一部分动力可输出至第一输入轴11,再通过一挡齿轮副、三挡齿轮副、五挡齿轮副或七挡齿轮副输出,发动机4的另一部分动力可从第二输入轴12、二挡齿轮副、电机动力轴第二齿轮32后输出给第一电动发电机51,从而驱动第一电动发电机51发电。
由于传统具有双离合器2d的动力传动系统中,双离合器2d在同一时刻只有一个离合器处于工作状态,而根据本公开实施例的动力驱动系统100实现了对双离合器2d的突破性应用,即在双离合器2d的两个离合器全部接合状态下(输入端23d同时接合第一输出端21d和第二输出端22d),使得发动机4的一部分动力由一根输出轴(例如第一输出轴21或第二输出轴22)输出驱动车辆行驶,另一部分动力则输出给第一电动发电机51,驱动电机发电,丰富了传动模式,兼顾车辆行驶以及充电要求。
再次描述倒挡模式,特别地,根据本公开实施例的动力驱动系统100具有机械倒挡模式、电动倒挡模式以及混动倒挡模式三种倒挡模式。
机械倒挡模式是利用发动机4的动力实现车辆的倒车功能,在车辆处于机械倒挡模式时,发动机4作为动力源将产生的动力输出至倒挡轴89,并通过倒挡同步器同步倒挡输出齿轮8而使得发动机4产生的动力从该倒挡输出齿轮8输出。
具体而言,结合图1所示的实施例,六挡同步器6c接合倒挡输出齿轮8,从而发动机4产生的动力通过第一输入轴11、倒挡轴89后输出给倒挡输出齿轮8,这样通过倒挡同步器6c的接合作用,使得倒挡动力最终可从第二输出轴22输出。
简言之,在车辆处于机械倒挡模式时,如图1所示,只有倒挡同步器6c接合倒挡输出齿轮8。
电动倒挡模式是利用第一电动发电机51实现车辆的倒车功能,在车辆处于电动倒挡模式时,第一电动发电机51作为动力源并通过电机动力轴同步器33c对电机动力轴第一齿轮31的同步而使得第一电动发电机51产生的动力从电机动力轴第一齿轮31输出,实现倒车。
具体地,结合图1的实施例,电机动力轴同步器33c接合电机动力轴第一齿轮31,第一电动发电机51输出的动力经第一电机齿轮511、中间齿轮512、电机动力轴第三齿轮33、电机动力轴3、电机动力轴同步器33c后从电机动力轴第一齿轮31输出。
这种情况下,传动链较短、中间传动部件较少,倒挡效率高,可以认为是第一电动发电机51的直接倒挡路径。
简言之,该电动倒挡模式下,只有电机动力轴同步器33c接合电机动力轴第一齿轮31。
混动倒挡模式是同时利用发动机4和第一电动发电机51实现车辆的倒车功能,混动倒挡模式为上述机械倒挡模式与电动倒挡模式的结合。
在车辆处于混动倒挡模式时,发动机4作为动力源将产生的动力输出至倒挡轴89,并 通过倒挡同步器同步倒挡输出齿轮8而使得发动机4产生的动力从该倒挡输出齿轮8输出。
与此同时,第一电动发电机51作为动力源并通过电机动力轴同步器33c对电机动力轴第一齿轮31的同步而使得第一电动发电机51产生的动力从电机动力轴第一齿轮31输出。
具体地,如图1所示,在动力驱动系统100处于混动倒挡模式时,结合了上述机械倒挡模式以及电动倒挡模式,发动机4按照上述机械倒挡模式将动力从倒挡输出齿轮8输出,第一电动发电机51按照上述电动倒挡模式将动力从电机动力轴第一齿轮31输出,两部分动力在主减速器从动齿轮74处耦合后共同输出给车轮,实现混动倒车。
此时,第一电动发电机51能够进行调速,使得主减速器从动齿轮74能够平衡地同步接收来自发动机4以及第一电动发电机51的动力,提高传动的平顺性、协调性。
简言之,该混动模式下,如图1所示,电机动力轴同步器33c接合电机动力轴第一齿轮31且倒挡同步器6c接合倒挡输出齿轮8。
由此,该动力驱动系统100能够实现三种倒挡模式,即机械倒挡模式、电动倒挡模式以及混动倒挡模式,丰富了倒挡工况,可以根据实际情况灵活在该三种倒挡模式中进行切换,满足驾驶要求。
例如,在车辆电池荷电量充足的情况下,可以采用电动倒挡模式,这样在倒车时不仅不会排放有害气体,而且还能降低能耗,特别对于新手驾驶员倒车入位而言,可能需要操作多次才能将车辆倒入指定位置,而发动机4由于在低速倒车时会产生较多的有害气体,同时发动机4在倒车时一般处于非经济转速区域,油耗相对较高,此时采用电动倒挡模式可以很好地改善这一问题,不仅能够降低排放,同时采用电机作为动力实现低速倒车能耗较低,对发动机4的燃油经济性有一定改善。
又如,在车辆电池荷电量不充足或较低的情况下,可以采用机械倒挡模式。再如,在需要快速倒车或者需要大马力倒车等工况下,则可以采用混动倒挡模式,增加车辆的动力性,方便倒车。
当然,上述关于三种倒挡模式应用环境的描述仅是示意性的,不能理解为是对本公开的一种限制或暗示在车辆处于上述环境下必须采用上述对应的倒挡模式。对于本领域的普通技术人员而言,显然可以根据需要或实际情况来具体设定相应倒车环境下所需的倒挡模式。
由此,进一步丰富了动力驱动系统100的倒挡模式,给驾驶员更多的选择,充分提高驾驶乐趣,更好地满足不同路况的倒挡要求。
根据本公开的一些实施例的动力驱动系统100,如图1-图7所示,还可以增设第二电动发电机52以增加动力驱动系统100的动力性,丰富传动模式。
例如,在其中一些实施例中,第二电动发电机52可与主减速器从动齿轮74传动,例 如第二电动发电机52的电机轴上可以设置齿轮,该齿轮与主减速器从动齿轮74直接啮合传动。又如,在另一些实施例中,第二电动发电机52也可以设置成与第一输入轴11相连或与第一输出轴21相连。再如,在再一些实施例中,第二电动发电机52为两个且分别设置在差速器75的两侧,例如该两个第二电动发电机52可以与差速器75集成为一体。或者,前述的发动机4和第一电动发电机51用于驱动前轮,第二电动发电机52也可以是轮边电机并用于后轮,或者第二电动发电机52可以通过一个减速机构驱动两个后轮,或者第二电动发电机52为两个且分别通过一个减速机构驱动一个后轮。
下面参照图1-图7简单描述各具体实施例中动力驱动系统100的构造以及典型工况。
实施例一:
如图1所示,发动机4与双离合器2d的输入端23d相连,双离合器2d的第一输出端21d与第一输入轴11相连,双离合器2d的第二输出端22d与第二输入轴12相连,双离合器2d的输入端23d与双离合器2d的第一输出端21d和第二输出端22d可以同时处于断开状态,或者双离合器2d的输入端23d可与双离合器2d的第一输出端21d和第二输出端22d之一接合,或者双离合器2d的输入端23d可与双离合器2d的第一输出端21d和第二输出端22d同时接合。
第二输入轴12为空心轴结构,第一输入轴11为实心轴,第二输入轴12同轴地套设在第一输入轴11上,并且第一输入轴11的一部分从第二输入轴12内沿轴向向外伸出。
第一输入轴11上设置有可随第一输入轴11同步转动的一挡主动齿轮1a、三五挡主动齿轮35a和七挡主动齿轮7a,一挡主动齿轮1a位于中间,七挡主动齿轮7a位于右侧,三五挡主动齿轮35a位于左侧。
第二输入轴12上设置有可随第二输入轴12同步转动的二挡主动齿轮2a和四六挡主动齿轮46a,二挡主动齿轮2a位于左侧且四六挡主动齿轮46a位于右侧。
第一输出轴21与两个输入轴平行布置,第一输出轴21上空套有一挡从动齿轮1b、二挡从动齿轮2b、三挡从动齿轮3b和四挡从动齿轮4b,一挡从动齿轮1b与一挡主动齿轮1a直接啮合,二挡从动齿轮2b与二挡主动齿轮2a直接啮合,三挡从动齿轮3b与三五挡主动齿轮35a直接啮合,四挡从动齿轮4b与四六挡主动齿轮46a直接啮合。
第一输出轴21上还设置有一三挡同步器13c和二四挡同步器24c,一三挡同步器13c位于一挡从动齿轮1b与三挡从动齿轮3b之间,且可选择性地将一挡从动齿轮1b或三挡从动齿轮3b与第一输出轴21同步,二四挡同步器24c位于二挡从动齿轮2b与四挡从动齿轮4b之间,且可选择性地将二挡从动齿轮2b或四挡从动齿轮4b与第一输出轴21同步。
第二输出轴22同样与两个输入轴平行设置,第二输出轴22上空套有五挡从动齿轮5b、六挡从动齿轮6b和七挡从动齿轮7b,五挡从动齿轮5b与三五挡主动齿轮35a直接啮合, 六挡从动齿轮6b与四六挡主动齿轮46a啮合,七挡从动齿轮7b与七挡主动齿轮7a啮合,第二输出轴22上还设置有五七挡同步器57c和六挡同步器6c,五七挡同步器57c用于将五挡从动齿轮5b或七挡从动齿轮7b与第二输出轴22同步,六挡同步器6c用于接合六挡从动齿轮6b或空套在第二输出轴22上的倒挡输出齿轮8,即六挡同步器6c构成倒挡同步器。
倒挡轴89上固定设置有齿轮81和倒挡中间齿轮82,倒挡中间齿轮82与倒挡输出齿轮8啮合,齿轮81与一挡主动齿轮1a啮合。
第一输出轴21上固定设置有与主减速器从动齿轮74啮合的第一输出轴输出齿轮211、第二输出轴22上固定设置有与主减速器从动齿轮74啮合的第二输出轴输出齿轮221。
电机动力轴3与两个输入轴、两个输出轴平行设置,电机动力轴3上空套有电机动力轴第一齿轮31和电机动力轴第二齿轮32,电机动力轴3上还设置有位于电机动力轴第一齿轮31和电机动力轴第二齿轮32之间的电机动力轴同步器33c,该电机动力轴同步器33c可选择性地接合电机动力轴第一齿轮31和电机动力轴第二齿轮32中的一个。
电机动力轴第一齿轮31与主减速器从动齿轮74啮合,电机动力轴第二齿轮32与中间轴第二齿轮712啮合,中间轴第二齿轮712和中间轴第一齿轮711固定在中间轴71上,中间轴第一齿轮711与二挡从动齿轮2b啮合。
第一电动发电机51的电机轴上设置有第一电机齿轮511,第一电机齿轮511通过中间齿轮512与固定设置在电机动力轴3上的电机动力轴第三齿轮33啮合。
下面对图1所示动力驱动系统100的典型工况进行详细描述。
驻车充电工况:
双离合器2d的输入端23d接合第二输出端22d并与第一输出端21d断开,电机动力轴同步器33c接合电机动力轴第二齿轮32,从而发动机4输出的动力依次经过双离合器2d的输入端23d、第二输出端22d、第二输入轴12、二挡齿轮副、中间轴71、电机动力轴第二齿轮32、电机动力轴3后输出给第一电动发电机51,从而驱动第一电动发电机51进行发电。
该工况下能够实现定速比充电,能量传递效率更高,而关于速比的选定,与发动机4驻车时的转速、第一电动发电机51的选型以及周边轴承等附加零部件所允许的最高转速有直接关系,对于本领域的普通技术人员而言,可以综合上面等因素进行考虑,灵活设计相应的传动速比,使得动力驱动系统100在驻车发电时能够最大化地利用发动机4的能量,达到快速充电目的。简言之,通过第二输入轴12、二挡齿轮副、电机动力轴第二齿轮32、电机动力轴3这一路径传输发动机4的动力时,能够实现最佳定速比充电的目的,提高了充电效率以及发动机4的燃油经济性。
纯电动工况:
在动力驱动系统100处于纯电动工况下,电机动力轴同步器33c接合电机动力轴第一齿轮31,从而第一电动发电机51产生的动力可通过电机动力轴3后从电机动力轴第一齿轮31输出。该路径中间传动部件较少,传动效率高。
当然,可选地,电机动力轴同步器33c也可接合电机动力轴第二齿轮32,第一电动发电机51产生的动力可通过电机动力轴第二齿轮32、中间轴71后从二挡从动齿轮2b或四挡从动齿轮4b输出。
综上,在动力驱动系统100处于纯电动工况下,第一电动发电机51可以通过上述多条具有不同速比的路径将动力输出至车轮,从而驱动车辆行驶。简言之,在通过第一电动发电机51进行起步、急加速、爬坡、常速行驶等情况下,可以分别选择不同的最佳速比,从而使第一电动发电机51工作效率最高。
各挡位混动工况方案一:
该方案下,电机动力轴同步器33c可接合电机动力轴第一齿轮31,从而第一电动发电机51产生的动力可通过电机动力轴3后从电机动力轴第一齿轮31输出。
发动机4可通过任意前进挡位齿轮副输出动力,两部分动力在主减速器从动齿轮74处耦合后共用输出。
该挡位混动工况下,第一电动发电机51可以进行调速,从而使得主减速器从动齿轮74能够平衡地同步接收来自发动机4以及第一电动发电机51的动力,提高传动的平顺性、协调性。
各挡位混动工况方案二:
该方案下,电机动力轴同步器33c也可接合电机动力轴第二齿轮32,第一电动发电机51产生的动力可通过电机动力轴第二齿轮32、中间轴71后输出至第二输入轴12,从而第一电动发电机51的动力可通过二挡齿轮副或四挡齿轮副输出。与此同时,发动机4可通过任意前进挡位齿轮副输出动力,并与第一电动发电机51输出的动力耦合后共用输出给车轮。
例如,发动机4以二挡或四挡齿轮副输出动力时,第一电动发电机51可进行调速以使第二输入轴12能够平衡地同步接收来自发动机4以及第一电动发电机51的动力,提高传动的平顺性、协调性。又如,发动机4以一挡或三挡齿轮副输出动力,第一电动发电机51可进行调速以使第一输出轴21能够平衡地同步接收来自发动机4以及第一电动发电机51的动力,提高传动的平顺性、协调性。或者,发动机4以五挡齿轮副或七挡齿轮副输出动力,第一电动发电机51可以进行调速,从而使得主减速器从动齿轮74能够平衡地同步接收来自发动机4以及第一电动发电机51的动力,提高传动的平顺性、协调性。
综上,对于本领域的普通技术人员而言,可以根据实际需要,灵活地选择上述任意各挡位混动工况方案一、方案二中的任意混动路径,极大地丰富了动力驱动系统100的传动模式,提高了驾驶乐趣,使车辆能够更好地适应不同路况,提高车辆的动力性、燃油经济性。
发动机边驱动边充电工况方案一:
在该方案下,电机动力轴同步器33c可接合电机动力轴第一齿轮31,发动机4可通过任意前进挡位输出动力驱动车辆,第一电动发电机51可通过车轮反拖电机动力轴第一齿轮31而进行发电。
发动机边驱动边充电工况方案二:
在该方案下,电机动力轴同步器33c可接合电机动力轴第二齿轮32,发动机4可通过偶数挡位齿轮副输出动力,例如通过二挡齿轮副、四挡齿轮副或六挡齿轮副输出动力,同时发动机4产生的另一部分动力可通过二挡齿轮副、中间轴71、电机动力轴第二齿轮32输出给第一电动发电机51,从而驱动第一电动发电机51进行发电。
发动机边驱动边充电工况方案三:
上面介绍的发动机边驱动边充电工况方案一和方案二中,双离合器2d在传动时均只有一个离合器进行接合工作,例如其输入端23d与第一输出端21d接合或者输入端23d与第二输出端22d接合,特别地,根据本公开实施例的动力驱动系统100,在双离合器2d的输入端23d与第一输出端21d和第二输出端22d同时接合的情况下,也能够实现边驱动边充电工况。
此方案下,电机动力轴同步器33c接合电机动力轴第二齿轮32,发动机4可将一部分动力输出至第二输入轴12,这部分动力可通过二挡齿轮副、中间轴71、电机动力轴第二齿轮32后输出给第一电动发电机51,从而驱动第一电动发电机51进行发电。与此同时,发动机4可将另一部分动力输出至第一输入轴11,这部分动力可通过一挡齿轮副、三挡齿轮副、五挡齿轮副或七挡齿轮副输出。
综上,对于本领域的普通技术人员而言,可以根据实际需要,灵活地选择上述发动机4边驱动边充电工况方案一、方案二和方案三中的任意传动路径,极大地丰富了动力驱动系统100的传动模式,提高了驾驶乐趣,使车辆能够更好地适应不同路况,提高车辆的动力性、燃油经济性。而且,在上述的一些发动机4边驱动边充电工况中,涉及到发动机4的部分动力通过第二输入轴12、二挡齿轮副、中间轴71、电机动力轴第二齿轮32、电机动力轴3这一路径传输时,是能够实现最佳定速比充电的目的,从而提高了充电效率以及发动机4的燃油经济性。
倒挡工况:
在动力驱动系统100处于机械倒挡工况时,六挡同步器6c(即倒挡同步器6c)接合倒挡输出齿轮8,发动机4输出的动力通过第一输入轴11、倒挡轴89、倒挡输出齿轮8后从第二输出轴22输出。
在动力驱动系统100处于电动倒挡模式时,电机动力轴同步器33c接合电机动力轴第一齿轮31,第一电动发电机51产生的动力通过电机动力轴3、电机动力轴第一齿轮31后输出给车轮。
在动力驱动系统100处于混动倒挡模式时,六挡同步器6c(即倒挡同步器6c)接合倒挡输出齿轮8且电机动力轴同步器33c接合电机动力轴第一齿轮31,发动机4将倒挡动力从第二输出轴22输出,第一电动发电机51将动力从电机动力轴第一齿轮31输出,两部分动力在主减速器从动齿轮74处耦合后共用输出。此时第一电动发电机51可以进行调速,从而使得主减速器从动齿轮74能够平衡地同步接收来自发动机4以及第一电动发电机51的动力,提高传动的平顺性、协调性。
实施例二:
如图5所示,该实施例中的动力驱动系统100与图1中所示的动力驱动系统100的主要区别在于取消了中间齿轮512以及对应的传动轴,并且中间轴71相比图1实施例进一步简化,其余部分则与图1实施例基本一致,这里不再赘述。
实施例三:
如图6所示,该实施例中的动力驱动系统100与图5中所示的动力驱动系统100的主要区别在于取消了中间轴71,电机动力轴第二齿轮32直接与二挡从动齿轮2b啮合,其余部分则与图5实施例基本一致,这里不再赘述。
实施例四:
如图7所示,该实施例中的动力驱动系统100与图6中所示的动力驱动系统100的主要区别在于将第一电动发电机51与电机动力轴3同轴相连,取消图6的相关齿轮传动结构,其余部分则与图6实施例基本一致,这里不再赘述。
实施例五-实施例七:
如图2-图4所示,该实施例中的动力驱动系统100与图1中所示的动力驱动系统100的主要区别在于第一电动发电机51接入的挡位从动齿轮不同,图2中第一电动发电机51的动力接入三挡从动齿轮3b,图3中接入四挡从动齿轮4b,图4中接入一挡从动齿轮1b。
此外,对于图5-图7的实施例,其仅示出了第一电动发电机51的动力接入二挡从动齿轮2b(与图1相同),但是可以理解的,图5-图7的实施例也可以参考图2-图4电机动力的接入方式,即可分别接入一挡从动齿轮1b、三挡从动齿轮3b或四挡从动齿轮4b(未示出)。
此外,根据本公开的实施例进一步提供了包括如上所述的动力驱动系统100的车辆。应当理解的是,根据本公开实施例的车辆的其它构成例如行驶系统、转向系统、制动系统等均已为现有技术且为本领域的普通技术人员所熟知,因此对已知结构的详细说明此处进行省略。
在本说明书的描述中,参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本公开的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。此外,本领域的技术人员可以将本说明书中描述的不同实施例或示例进行接合和组合。
尽管上面已经示出和描述了本公开的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本公开的限制,本领域的普通技术人员在本公开的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (10)

  1. 一种动力驱动系统,其特征在于,所述动力驱动系统具有七个前进挡位,所述动力驱动系统包括:
    发动机;
    多个输入轴,所述发动机设置成可选择性地接合所述多个输入轴中的至少一个,每个所述输入轴上设置有挡位主动齿轮;
    多个输出轴,每个所述输出轴上设置有挡位从动齿轮,多个所述挡位从动齿轮与多个所述挡位主动齿轮对应地啮合,所述多个输出轴中的一个上空套设置有倒挡输出齿轮且还设置有用于接合所述倒挡输出齿轮的倒挡同步器;
    倒挡轴,所述倒挡轴设置成与所述多个输入轴中的一个以及所述倒挡输出齿轮联动;
    电机动力轴,所述电机动力轴上空套设置有电机动力轴第一齿轮和电机动力轴第二齿轮,所述电机动力轴上还设置有位于所述电机动力轴第一齿轮与所述电机动力轴第二齿轮之间的电机动力轴同步器,其中所述电机动力轴第二齿轮设置成与其中一个挡位从动齿轮联动;以及
    第一电动发电机,所述第一电动发电机设置成与所述电机动力轴联动。
  2. 根据权利要求1所述的动力驱动系统,其特征在于,
    所述多个输入轴包括:第一输入轴和第二输入轴,所述第二输入轴套设在所述第一输入轴上;
    所述多个输出轴包括:第一输出轴和第二输出轴;
    所述第一输入轴上固定设置有一挡主动齿轮、三五挡主动齿轮和七挡主动齿轮,所述第二输入轴上固定设置有二挡主动齿轮和四六挡主动齿轮;
    所述第一输出轴上空套设置有一挡从动齿轮、二挡从动齿轮、三挡从动齿轮和四挡从动齿轮,所述第二输出轴上空套设置有五挡从动齿轮、六挡从动齿轮和七挡从动齿轮;
    所述一挡从动齿轮与所述三挡从动齿轮之间设置有一三挡同步器,所述二挡从动齿轮与所述四挡从动齿轮之间设置有二四挡同步器,所述五挡从动齿轮与所述七挡从动齿轮之间设置有五七挡同步器,所述六挡从动齿轮的一侧设置有六挡同步器。
  3. 根据权利要求2所述的动力驱动系统,其特征在于,所述倒挡输出齿轮空套在所述第二输出轴上且与所述六挡从动齿轮相邻,所述倒挡输出齿轮与所述六挡从动齿轮共用六挡同步器,从而所述六挡同步器构成倒挡同步器。
  4. 根据权利要求2-3任一项所述的动力驱动系统,其特征在于,所述第一输出轴上固定设置有第一输出轴输出齿轮,所述第二输出轴上固定设置有第二输出轴输出齿轮,所述 第一输出轴输出齿轮、所述第二输出轴输出齿轮和所述电机动力轴第一齿轮均与车辆的主减速器从动齿轮啮合。
  5. 根据权利要求2所述的动力驱动系统,其特征在于,还包括:双离合器,所述双离合器具有输入端、第一输出端和第二输出端,所述发动机与所述输入端相连,所述第一输出端与所述第一输入轴相连,所述第二输出端与所述第二输入轴相连。
  6. 根据权利要求2所述的动力驱动系统,其特征在于,所述电机动力轴第二齿轮与所述一挡从动齿轮、所述二挡从动齿轮、所述三挡从动齿轮以及所述四挡从动齿轮中的一个从动齿轮联动。
  7. 根据权利要求1所述的动力驱动系统,其特征在于,所述倒挡输出齿轮与相邻的一个挡位从动齿轮共用挡位同步器,共用的所述挡位同步器构成倒挡同步器。
  8. 根据权利要求2所述的动力驱动系统,其特征在于,所述二挡主动齿轮、所述四六挡主动齿轮、所述三五挡主动齿轮、所述一挡主动齿轮和所述七挡主动齿轮与所述发动机的距离递增。
  9. 根据权利要求1所述的动力驱动系统,其特征在于,还包括:中间轴,所述中间轴上固定设置有中间轴第一齿轮和中间轴第二齿轮,所述中间轴第一齿轮与所述其中一个挡位从动齿轮啮合,所述中间轴第二齿轮与所述电机动力轴第二齿轮啮合。
  10. 一种车辆,其特征在于,包括根据权利要求1-9中任一项所述的动力驱动系统。
PCT/CN2017/084024 2016-06-29 2017-05-11 动力驱动系统和车辆 WO2018000959A1 (zh)

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