WO2020125465A1 - 双电机双行星排多模式机电耦合传动装置 - Google Patents

双电机双行星排多模式机电耦合传动装置 Download PDF

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Publication number
WO2020125465A1
WO2020125465A1 PCT/CN2019/123885 CN2019123885W WO2020125465A1 WO 2020125465 A1 WO2020125465 A1 WO 2020125465A1 CN 2019123885 W CN2019123885 W CN 2019123885W WO 2020125465 A1 WO2020125465 A1 WO 2020125465A1
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Prior art keywords
rotating shaft
motor
dual
shaft
clutch
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PCT/CN2019/123885
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English (en)
French (fr)
Inventor
董鹏
李松霖
姜珊珊
徐向阳
刘艳芳
王书翰
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北京航空航天大学
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Publication of WO2020125465A1 publication Critical patent/WO2020125465A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Definitions

  • the invention relates to an automobile power transmission device, in particular to a dual-motor dual-planet row multi-mode electromechanical coupling transmission device.
  • the technical scheme described in the patent number CN101992679B and the scheme of the present invention are different in the connection mode and mode type of the planet row member.
  • the patent number CN101992679B can only realize the compound power shunt, and the scheme of the present invention can realize the input power shunt in addition to the compound power shunt.
  • the object of the present invention is to provide a dual-motor dual-planetary row multi-mode electromechanical coupling transmission device to solve the above-mentioned technical problems in the prior art.
  • the dual-motor dual-planetary row multi-mode electromechanical coupling transmission device provided by the invention, the engine is connected to the first rotating shaft, the first planetary row sun gear is located on the third rotating shaft, the planet carrier is located on the first rotating shaft, and the ring gear is located on the fourth On the rotating shaft, the second planetary row sun gear is located on the sixth rotating shaft, the planet carrier is located on the fourth rotating shaft, the ring gear is located on the fifth rotating shaft, the first brake is connected to the first rotating shaft and the box, and the second brake is connected
  • the sixth rotating shaft is connected to the box, the first clutch connects the sixth rotating shaft and the third rotating shaft, the first motor is connected to the fifth rotating shaft, and the second motor is connected to the third rotating shaft.
  • the pinion gear of the fixed shaft gear set is located on the fourth rotating shaft, the large gear is located on the seventh rotating shaft, and the power is transmitted from the input shaft system to the parallel shaft system, and the pinion gear of the second fixed shaft gear group is located on the seventh rotating shaft
  • the large gear is located on the second rotating shaft, which transmits power from the parallel shaft system to the output shaft system, and the differential is located on the second rotating shaft.
  • the first motor is placed on a parallel shaft through a fixed-axis gear set.
  • the second motor is placed on the parallel shaft through the fixed-axis gear set.
  • a third brake is also included, and the third brake connects the fifth rotating shaft and the box.
  • a second clutch is further included, and the second clutch connects the first rotating shaft and the third rotating shaft.
  • the third clutch also includes a third clutch, the third clutch and the second clutch form a dual clutch module, the third clutch interrupts the first rotating shaft, and interrupting the rotating shaft to connect to the engine side is the first A rotating shaft, which connects the planet carrier on the first rotating shaft and the first brake side is an eighth rotating shaft, and the third clutch connects the first rotating shaft and the eighth rotating shaft.
  • the present invention can realize both input power split and compound power split by opening or closing the clutch C1, that is, possess Two hybrid eCVT modes can achieve higher transmission efficiency by switching between the two hybrid modes.
  • the present invention has an additional pure electric gear.
  • the smaller speed ratio of the pure electric second gear can reduce the peak speed of the motor E1 or increase the maximum speed of the vehicle under pure electric driving.
  • the two motors are arranged on the same side of the planetary gear set, the structure is more compact.
  • FIG. 1 is a schematic structural diagram of a dual-motor dual-planet row multi-mode electromechanical coupling transmission device according to Embodiment 1 of the present invention.
  • FIG. 2 is a longitudinal arrangement form of a dual-motor dual-planet row multi-mode electromechanical coupling transmission device provided in Embodiment 1 of the present invention.
  • FIG. 3 is a dual-motor dual-planet row multi-mode electromechanical coupling transmission device provided by Embodiment 2 of the present invention.
  • Embodiment 4 is a dual-motor dual-planet row multi-mode electromechanical coupling transmission device provided by Embodiment 3 of the present invention.
  • FIG. 5 is a dual-motor dual-planet row multi-mode electromechanical coupling transmission device provided by Embodiment 4 of the present invention.
  • FIG. 6 is a dual-motor dual-planet row multi-mode electromechanical coupling transmission device provided by Embodiment 5 of the present invention.
  • Embodiment 7 is a dual-motor dual-planet row multi-mode electromechanical coupling transmission device provided by Embodiment 6 of the present invention.
  • FIG. 8 is a scheme of a pure electric 3-speed transmission mechanism provided by Embodiment 7 of the present invention.
  • connection should be understood in a broad sense, for example, it can be fixed connection or detachable Connected, or connected integrally; either mechanically or electrically; directly connected, or indirectly connected through an intermediary, or internally connected between two components.
  • FIG. 1 is a schematic structural diagram of a dual-motor dual-planet row multi-mode electromechanical coupling transmission device according to Embodiment 1 of the present invention; as shown in FIG. 1, the engine is connected to the first rotating shaft 1, and the first planetary row sun gear is located at the third rotating shaft 3
  • the planet carrier is located on the first rotating shaft 1, the ring gear is located on the fourth rotating shaft 4, the second planetary row sun gear is located on the sixth rotating shaft 6, the planet carrier is located on the fourth rotating shaft 4, and the ring gear is located on the first
  • the first brake B1 connects the first rotating shaft 1 and the box, the second brake B2 connects the sixth rotating shaft 6 and the box, and the first clutch C1 connects the sixth rotating shaft 6 and all
  • the first motor E1 is connected to the fifth rotating shaft 5
  • the second motor E2 is connected to the third rotating shaft 3
  • the pinion gear of the first fixed-shaft gear set is located on the fourth rotating shaft 4.
  • the gear is located on the seventh rotating shaft 7 and transmits power from the input shaft system to the parallel shaft system.
  • the second fixed shaft gear set pinion gear is located on the seventh rotating shaft 7 and the large gear is located on the second rotating shaft 2.
  • the shafting is transmitted to the output shafting, and the differential is located on the second rotating shaft 2.
  • the dual-motor dual-planet row multi-mode electromechanical coupling transmission device of the present application can realize the following working modes.
  • HEV1 Low-speed hybrid mode
  • the first clutch C1 is opened, the first brake B1 is opened (the first rotating shaft 1 overruns), and the second brake B2 is engaged.
  • the first motor E1 outputs power to drive the vehicle, and the second motor E2 generates electricity.
  • the output power of the engine is divided in the first planetary gear set, partly transmitted to the wheel end to drive the vehicle, and partly transmitted to the second motor E2 and driving the second motor E2 to generate power, that is, the input power is divided.
  • the second motor E2 can realize stepless speed regulation of the engine, that is, this mode is the eCVT mode.
  • High-speed hybrid mode (HEV2): The first clutch C1 is engaged, the first brake B1 is opened (the first rotating shaft 1 overruns), and the second brake B2 is opened. At this time, the engine, the first electric machine E1, and the second electric machine E2 can realize a four-axis combined power shunt. The engine output partly drives the vehicle and partly generates electricity through the second electric machine E2. The first motor E1 outputs power to drive the vehicle. In this mode, when the output of the battery pack and the power of the motor controller allow it, the engine, the first motor E1, and the second motor E2 can also output power to drive the vehicle. At this time, the engine speed can be continuously and continuously adjusted by the first motor E1 or the second motor E2, which is also in the eCVT mode.
  • Parking power generation mode When the car is in the parking state, the seventh rotation shaft 7 or the fourth rotation shaft 4 of the structure is locked by the parking lock mechanism, and the second brake B2 and the first brake B1 are opened. The output power of the engine is transferred to the second motor E2 through the first planetary row for power generation and used for charging the battery pack. If the first clutch C1 is engaged, part of the engine output power can continue to be transferred to the first motor E1 through the second planetary row, that is, the first motor E1 and the second motor E2 can generate electricity at the same time and be used to charge the battery pack.
  • Braking energy recovery mode when the vehicle goes downhill or brakes, its reduced kinetic energy is transmitted to the first motor E1 through the second planetary row, and the first motor E1 outputs braking torque, generates electricity and gives the battery pack Charging; if the first clutch C1 is engaged, the second motor E2 can also output braking torque in conjunction with the first motor E1 to generate electricity and charge the battery pack.
  • the first brake B1 is a one-way brake.
  • the second brake B2 is a wet multi-plate brake.
  • the first clutch C1 is a wet multi-plate clutch.
  • first brake B1, the second brake B2, and the first clutch C1 are not limited to the one-way brakes/clutches and wet multi-plate clutches/brakes referred to herein. All other forms of clutches/brakes, such as synchronizers, tooth clutches, and selectable one-way clutches, as long as they follow the connection method between the components of the inventive solution, fall within the protection category of the present invention.
  • the longitudinal arrangement of the dual-motor dual-planet row multi-mode electromechanical coupling transmission device provided in the first embodiment of the present invention as long as the structural connection between the components of the planetary row, the dual-motor, and the engine is followed Both belong to the protection category of the present invention.
  • Embodiment 3 is a dual-motor dual-planet row multi-mode electromechanical coupling transmission device provided by Embodiment 2 of the present invention.
  • the dual-motor dual-planetary row multi-mode electromechanical coupling transmission device provided by this Embodiment 2 .
  • the first motor E1 is placed on the parallel shaft through the fixed-axis gear set.
  • Embodiment 4 is a dual-motor dual planetary row multi-mode electromechanical coupling transmission device provided by Embodiment 3 of the present invention.
  • the dual-motor dual planetary row multi-mode electromechanical coupling transmission device provided by this Embodiment 3 .
  • the second motor E2 is placed on the parallel shaft through the fixed-axis gear set.
  • FIG. 5 is a dual-motor dual-planetary row multi-mode electromechanical coupling transmission device provided by Embodiment 4 of the present invention.
  • the dual-motor dual-planetary row multi-mode electromechanical coupling transmission device provided by this Embodiment 4 Add a third brake B3, connect the fifth rotating shaft 5 and the box, and add the following working mode on the basis of the working mode of the first embodiment:
  • Parking power generation mode 2 The second brake B2 and the third brake B3 are engaged, the first clutch C1 is opened, and the first brake B1 is opened. In this mode, the second brake B2 and the third brake B3 engage and lock the fourth rotating shaft 4, that is, the output is locked, and the engine output power can be transferred to the second motor E2 through the first planetary row for power generation and used for the battery pack. Charge.
  • This parking power generation mode does not require the parking lock mechanism to lock the seventh rotating shaft 7 or the fourth rotating shaft 4.
  • Fixed speed ratio mode 2 The third brake B3 and the first clutch C1 are engaged, the first brake B1 is opened, and the second brake B2 is opened.
  • the speed of the first motor E1 is 0, and it neither outputs power nor generates electricity.
  • the output power of the engine can be used to drive the vehicle, or it can partially drive the vehicle and partially drive the second motor E2 to generate electricity.
  • the second electric motor E2 may also jointly drive the vehicle with the engine.
  • the speed ratio of the first rotating shaft 1 and the fourth rotating shaft 4 is greater than 1.
  • FIG. 6 is a dual-motor dual-planet row multi-mode electromechanical coupling transmission device provided by Embodiment 5 of the present invention.
  • the dual-motor dual-planetary row multi-mode electromechanical coupling transmission device provided by this Embodiment 5 Add a second clutch C2, connect the first rotating shaft 1 and the third rotating shaft 3, add the following working mode on the basis of the solution of the first embodiment:
  • Fixed speed ratio mode 3 The second clutch C2 and the first clutch C1 are engaged, and the first brake B1 and the second brake B2 are opened. At this time, the first planetary row and the second planetary row rotate integrally, and the rotation speeds of all members of the two planetary rows are the same That is, the rotation speeds of the first rotation shaft 1, the third rotation shaft 3, the fourth rotation shaft 4, the fifth rotation shaft 5, and the sixth rotation shaft 6 are the same. At this time, the speed ratio of the first rotating shaft 1 to the fourth rotating shaft 4 is equal to 1.
  • the engine can be driven directly by the vehicle alone; it can also drive the vehicle along with the first motor E1 and the second motor E2; it can also output part of the power to the second motor E2 for power generation and part of the output power confluence with the first motor E1 Drive the vehicle together.
  • Fixed speed ratio mode 4 The second clutch C2 and the second brake B2 are engaged, and the first clutch C1 and the second brake B2 are opened. At this time, the first planetary row rotates integrally, that is, the first rotating shaft 1, the third rotating shaft 3, and the fourth The rotating speed of the rotating shaft 4 is the same. At this time, the speed ratio of the first rotating shaft 1 to the fourth rotating shaft 4 is equal to 1. Different from the fixed speed ratio mode 3, the sixth rotating shaft 6 is braked by the second brake B2, the rotation speed is 0, and the rotation speed of the first motor E1 (that is, the rotation speed of the fifth rotation shaft 5) is higher than the engine rotation speed.
  • the engine can be driven directly by the vehicle alone; it can also drive the vehicle along with the first motor E1 and the second motor E2; it can also output part of the power to the second motor E2 for power generation, and part of the output power confluence with the first motor E1 Drive the vehicle together.
  • Embodiment 7 is a dual-motor dual planetary row multi-mode electromechanical coupling transmission device provided by Embodiment 6 of the present invention. Based on Embodiment 5 and FIG. 6, the dual-motor dual planetary row multi-mode electromechanical coupling transmission device provided by Embodiment 6 , A third clutch C3 is added, the third clutch C3 and the second clutch C2 form a dual clutch module, and the third clutch C3 interrupts the first rotating shaft 1 and interrupts the connecting shaft to the engine side as the first A rotating shaft 1, connecting the planetary carrier on the first rotating shaft 1 and the first brake B1 side is an eighth rotating shaft 8, the third clutch C3 connecting the first rotating shaft 1 and the eighth Hinge 8.
  • FIG. 8 is a pure electric 3-speed transmission mechanism scheme provided by the seventh embodiment of the present invention. Based on the connection mode of the first planetary row and the second planetary row of the first embodiment, the scheme of the first embodiment can be expanded to a pure electric 3-speed transmission Variable speed mechanism scheme. As shown in FIG. 8, the first planetary row planet carrier is located on the first rotating shaft 1 and is connected to the drive motor as the power input end; the first planetary row ring gear is located on the fourth rotating shaft 4 and the power is output from the fourth rotating shaft 4 to parallel The shaft is up to the wheels; the first planetary row sun gear is located on the third rotating shaft 3.
  • the second planetary row sun gear is also located on the third rotating shaft 3; the second planetary row planet carrier is located on the fourth rotating shaft 4; the second planetary row ring gear is located on the fifth rotating shaft 5.
  • the first brake B1 connects the fifth rotating shaft 5 and the box, and the second brake B2 connects the third rotating shaft 3 and the box.
  • the first clutch C1 connects the fourth shaft 4 and the third shaft 3.
  • the first brake B1 is engaged in the first gear and the first clutch C1 and the second brake B2 are opened; the first clutch C1 is engaged in the second gear and the first brake B1 and the second brake B2 is opened; the third-speed second brake B2 is engaged, and the first brake B1 and the first clutch C1 are opened.

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Abstract

本发明公开了一种双电机双行星排多模式机电耦合传动装置，相比于丰田THS系统方案与科力远CHS系统方案，本发明通过离合器C1的打开或闭合既可实现输入功率分流，又可实现复合功率分流，即拥有两种混动eCVT模式，通过两种混动模式切换可获得更高的传动效率。与通用Voltec 2代结构方案对比，本发明多了一个纯电动挡位，纯电动2挡更小的速比可以降低电机E1的峰值转速或增加车辆纯电行驶下的最高车速。此外，两个电机布置在行星齿轮组同一侧，结构更为紧凑。

Description

双电机双行星排多模式机电耦合传动装置 技术领域
本发明涉及汽车动力传动装置，特别涉及一种双电机双行星排多模式机电耦合传动装置。
背景技术
专利号CN 101992679 B所述技术方案与本发明方案在行星排构件的连接方式、模式种类上都有所不同。专利号CN 101992679 B只能实现复合功率分流，而本发明方案除复合功率分流外还可实现输入功率分流。
发明内容
本发明的目的在于提供一种双电机双行星排多模式机电耦合传动装置，以解决现有技术中存在的上述技术问题。
本发明提供的双电机双行星排多模式机电耦合传动装置，发动机与第一转轴相连，第一行星排太阳轮位于第三转轴上，行星架位于所述第一转轴上，齿圈位于第四转轴上，第二行星排太阳轮位于第六转轴上，行星架位于所述第四转轴上，齿圈位于第五转轴上，第一制动器连接所述第一转轴与箱体，第二制动器连接所述第六转轴与所述箱体，第一离合器连接所述第六转轴与所述第三转轴，第一电机与所述第五转轴相连，第二电机与所述第三转轴相连，第一定轴齿轮组小齿轮位于所述第四转轴上，大齿轮位于第七转轴上，将动力由输入轴系传递至平行轴系，第二定轴齿轮组小齿轮位于所述第七转轴上，大齿轮位于第二转轴上，将动力由平行轴系传递至输出轴系，差速器位于所述第二转轴上。
进一步地，所述第一电机通过定轴齿轮组置于平行轴。
进一步地，所述第二电机通过定轴齿轮组置于平行轴。
进一步地，还包括第三制动器，所述第三制动器连接所述第五转轴与所述箱体。
进一步地，还包括第二离合器，所述第二离合器连接所述第一转轴和所述第三转轴。
进一步地，还包括第三离合器，所述第三离合器和所述第二离合器组成双离合器模块，所述第三离合器将所述第一转轴打断，打断转轴连接发动机侧为所述第一转轴，连接位于所述第一转轴上的所述行星架与所述第一制动器侧为第八转轴，所述第三离合器连接所述第一转轴与所述第八转轴。
本发明提供的双电机双行星排多模式机电耦合传动装置，具有如下优点：
相比于丰田THS系统方案(输入功率分流)与科力远CHS系统方案(复合功率分流)，本发明通过离合器C1的打开或闭合既可实现输入功率分流，又可实现复合功率分流，即拥有两种混动eCVT模式，通过两种混动模式切换可获得更高的传动效率。
与通用Vo 1 tec 2代结构方案对比，本发明多了一个纯电动挡位，纯电动2挡更小的速比可以降低电机E1的峰值转速或增加车辆纯电行驶下的最高车速。此外，两个电机布置在行星齿轮组同一侧，结构更为紧凑。
附图说明
为了更清楚地说明本发明具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例一提供的双电机双行星排多模式机电耦合传动装置的结构示意图。
图2为本发明实施例一提供的双电机双行星排多模式机电耦合传动装置的纵置布置形式。
图3为本发明实施例二提供的双电机双行星排多模式机电耦合传动装置。
图4为本发明实施例三提供的双电机双行星排多模式机电耦合传动装置。
图5为本发明实施例四提供的双电机双行星排多模式机电耦合传动装置。
图6为本发明实施例五提供的双电机双行星排多模式机电耦合传动装置。
图7为本发明实施例六提供的双电机双行星排多模式机电耦合传动装置。
图8为本发明实施例七提供的纯电动3挡变速机构方案。
附图标记：1-第一转轴；3-第三转轴；4-第四转轴；6-第六转轴；5-第五转轴；B1-第一制动器；B2-第二制动器；C1-第一离合器；E1-第一电机；E2-第二电机；7-第七转轴；2-第二转轴；B3-第三制动器；C2-第二离合器；C3-第三离合器；8-第八转轴。
具体实施方式
下面将结合附图对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”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发明和简化描述，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发明的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；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。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发明中的具体含义。
实施例一：
图1为本发明实施例一提供的双电机双行星排多模式机电耦合传动装置的结构示意图；如图1所示，发动机与第一转轴1相连，第一行星排太阳轮位于第三转轴3上，行星架位于所述第一转轴1上，齿圈位于第四转轴4上，第二行星排太阳轮位于第六转轴6上，行星架位于所述第四转轴4上，齿圈位于第五转轴5上，第一制动器B1连接所述第一转轴1与箱体，第二制动器B2连接所述第六转轴6与所述箱体，第一离合器C1连接所述第六转轴6与所述第 三转轴3，第一电机E1与所述第五转轴5相连，第二电机E2与所述第三转轴3相连，第一定轴齿轮组小齿轮位于所述第四转轴4上，大齿轮位于第七转轴7上，将动力由输入轴系传递至平行轴系，第二定轴齿轮组小齿轮位于所述第七转轴7上，大齿轮位于第二转轴2上，将动力由平行轴系传递至输出轴系，差速器位于所述第二转轴2上。
本申请的双电机双行星排多模式机电耦合传动装置，可实现如下工作模式。
(1)纯电1挡模式(EV1)：第一离合器C1接合，第一制动器B1接合制动，第二制动器B2打开。第一电机E1单独驱动车辆行驶或第一电机E1与第二电机E2双电机联合驱动车辆行驶。发动机不运转。该模式下可通过两个电机的反转实现倒挡。
(2)纯电2挡模式(EV2)：第一离合器C1打开，第一制动器B1接合制动(第一电机E1与第二电机E2双电机驱动时)或不受载(第一电机E1单独驱动时)，第二制动器B2接合。第一电机E1单独驱动车辆行驶或第一电机E1与第二电机E2双电机联合驱动车辆行驶。发动机不运转。该模式下可通过两个电机的反转实现倒挡。
(3)低速混动模式(HEV1)：第一离合器C1打开，第一制动器B1打开(第一转轴1超越旋转)，第二制动器B2接合。第一电机E1输出功率驱动车辆行驶，第二电机E2发电。发动机输出功率在第一行星齿轮组进行分流，部分传递至轮端驱动车辆行驶，部分传递至第二电机E2、驱动第二电机E2发电，即输入功率分流。该模式下，第二电机E2可对发动机实现无级调速，即该模式为eCVT模式。
(4)固定速比模式1(FR)：第一离合器C1接合，第一制动器B1打开(第一转轴1超越旋转)，第二制动器B2接合。此时发动机所连接第一转轴1与第二转轴2速比固定。第二电机E2转速为0，既不输出功率也不发电。发动机输出功率可全部用于驱动车辆行驶，也可部分驱动车辆行驶、部分驱动第一电机E1发电。第一电机E1也可联合发动机共同驱动车辆行驶。该固定速比模式第一转轴1与第四转轴4速比小于1。
(5)高速混动模式(HEV2)：第一离合器C1接合，第一制动器B1打开(第一转轴1超越旋转)，第二制动器B2打开。此时发动机、第一电机E1、第二电机E2可实现四轴复合功率分流。发动机输出功率部分驱动车辆行驶、部分通过第二电机E2发电。第一电机E1输出功率驱动车辆行驶。该模式下，在电池组输出及电机控制器功率允许的情况下，也可发动机、第一电机E1和第二电机E2联合输出功率驱动车辆行驶。此时，发动机转速可通过第一电机E1或第二电机E2连续无级调节，同样为eCVT模式。
(6)发动机启动模式：本发明方案第二电机E2可直接输出转矩启动发动机。
(7)驻车发电模式：当汽车处于驻车状态时，通过驻车锁止机构将该结构第七转轴7或第四转轴4轴锁止，第二制动器B2、第一制动器B1打开。发动机输出功率通过第一行星排传递到第二电机E2发电并用于电池组的充电。若第一离合器C1结合，发动机输出部分功率可继续通过第二行星排传递到第一电机E1，即第一电机E1与第二电机E2可同时发电并用于电池组的充电。
(8)制动能回收模式：当车辆下坡或制动时，其减小的动能经第二行星排传递至第一电机E1，第一电机E1输出制动转矩，发电并给电池组充电；若第一离合器C1接合，第二电机E2也可联合第一电机E1输出制动转矩，发电并给电池组充电。
具体地，所述第一制动器B1为单向制动器。
具体地，所述第二制动器B2为湿式多片制动器。
具体地，所述第一离合器C1为湿式多片式离合器。
需要说明的是，本发明方案中，第一制动器B1、第二制动器B2，第一离合器C1的结构形式不限于本文所指单向制动器/离合器，湿式多片式离合器/制动器。所有其他形式的离合器/制动器，如同步器、齿式离合器、可选择式单向离合器等结构，只要遵循本文发明方案构件间的连接方式，都属于本发明的保护范畴。
如图2所示，本发明实施例一提供的双电机双行星排多模式机电耦合传动装置的纵置布置形式，只要遵循本发明方案行星排各构件、双电机、发动机之间的结构连接方式，都属于本发明的保护范畴。
实施例二：
图3为本发明实施例二提供的双电机双行星排多模式机电耦合传动装置，在实施例一以及图1的基础上，本实施例二提供的双电机双行星排多模式机电耦合传动装置，将第一电机E1通过定轴齿轮组置于平行轴。
实施例三：
图4为本发明实施例三提供的双电机双行星排多模式机电耦合传动装置，在实施例一以及图1的基础上，本实施例三提供的双电机双行星排多模式机电耦合传动装置，将第二电机E2通过定轴齿轮组置于平行轴。
实施例四：
图5为本发明实施例四提供的双电机双行星排多模式机电耦合传动装置，在实施例一以及图1的基础上，本实施例四提供的双电机双行星排多模式机电耦合传动装置，增加第三制动器B3，连接第五转轴5与箱体，在实施例一的工作模式的基础上增加如下工作模式：
驻车发电模式2：第二制动器B2、第三制动器B3接合，第一离合器C1打开，第一制动器B1打开。该模式下，第二制动器B2、第三制动器B3接合锁止第四转轴4，即输出端被锁止，而发动机输出功率可以通过第一行星排传递至第二电机E2发电并用于电池组的充电。该驻车发电模式无需使用驻车锁止机构锁止第七转轴7或第四转轴4。
固定速比模式2：第三制动器B3、第一离合器C1接合，第一制动器B1打开，第二制动器B2打开。该模式下，第一电机E1转速为0，既不输出功率也不发电。发动机输出功率可全部用于驱动车辆行驶，也可部分驱动车辆行驶、部分驱动第二电机E2发电。第二电机E2也可联合发动机共同驱动车辆行驶。该固定速比模式第一转轴1与第四转轴4速比大于1。
实施例五：
图6为本发明实施例五提供的双电机双行星排多模式机电耦合传动装置，在实施例一以及图1的基础上，本实施例五提供的双电机双行星排多模式机电耦合传动装置，增加第二离合器C2，连接第一转轴1与第三转轴3，在实施例一方案的基础上增加如下工作模式：
固定速比模式3：第二离合器C2、第一离合器C1接合，第一制动器B1、第二制动器B2打开，此时第一行星排、第二行星排整体回转，两个行星排所有构件转速相同，即第一转轴1、第三转轴3、第四转轴4、第五转轴5、第六转轴6转速相同。此时，第一转轴1与第四转轴4速比等于1。此模式下，发动机可以单独直驱车辆行驶；也可与第一电机E1与第二电机E2一起驱动车辆行驶；也可输出功率部分给第二电机E2发电、部分与第一电机E1输出功率汇流一起驱动车辆行驶。
固定速比模式4：第二离合器C2、第二制动器B2接合，第一离合器C1、第二制动器B2打开，此时第一行星排整体回转，即第一转轴1、第三转轴3、第四转轴4转速相同。此时，第一转轴1与第四转轴4速比等于1。与固定速比模式3不同在于，第六转轴6通过第二制动器B2制动，转速为0，第一电机E1转速(即第五转轴5转速)高于发动机转速。此模式下，发动机可以单独直驱车辆行驶；也可与第一电机E1与第二电机E2一起驱动车辆行驶；也可输出功率部分给第二电机E2发电、部分与第一电机E1输出功率汇流一起驱动车辆行驶。
实施例六：
图7为本发明实施例六提供的双电机双行星排多模式机电耦合传动装置，在实施例五以及图6的基础上，本实施例六提供的双电机双行星排多模式机电耦合传动装置，增加第三离合器C3，所述第三离合器C3和所述第二离合器C2组成双离合器模块，所述第三离合器C3，将所述第一转轴1打断，打断转轴连接发动机侧为第一转轴1，连接位于所述第一转轴1上的所述行星架与所述第一制动器B1侧为第八转轴8，所述第三离合器C3连接所述第一转轴1与所述第八转轴8。
在实施例五的工作模式基础上增加如下工作模式：
串联混动模式：第二离合器C2、第二制动器B2接合，第一制动器B1、第一离合器C1、第三离合器C3打开。此时发动机输出功率全部给第二电机E2发电，第一电机E1输出功率驱动车辆行驶。发动机转速转矩与输出端转速转矩解耦。
实施例七：
图8为本发明实施例七提供的纯电动3挡变速机构方案，基于实施例一的第一行星排与第二行星排的连接方式，可以将实施例一的方案扩展为一个纯电动3挡变速机构方案。如图8所示，第一行星排行星架位于第一转轴1上，连接驱动电机，为动力输入端；第一行星排齿圈位于第四转轴4上，动力由第四转轴4输出至平行轴系直至车轮；第一行星排太阳轮位于第三转轴3上。第二行星排太阳轮同样位于第三转轴3上；第二行星排行星架位于第四转轴4上；第二行星排齿圈位于第五转轴5上。第一制动器B1连接第五转轴5与箱体，第二制动器B2连接第三转轴3与箱体。第一离合器C1连接第四转轴4和第三转轴3。1挡第一制动器B1接合，第一离合器C1、第二制动器B2打开；2挡第一离合器C1接合，第一制动器B1、第二制动器B2打开；3挡第二制动器B2接合，第一制动器B1、第一离合器C1打开。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (6)

  1. 一种双电机双行星排多模式机电耦合传动装置，其特征在于，发动机与第一转轴相连，第一行星排太阳轮位于第三转轴上，行星架位于所述第一转轴上，齿圈位于第四转轴上，第二行星排太阳轮位于第六转轴上，行星架位于所述第四转轴上，齿圈位于第五转轴上，第一制动器连接所述第一转轴与箱体，第二制动器连接所述第六转轴与所述箱体，第一离合器连接所述第六转轴与所述第三转轴，第一电机与所述第五转轴相连，第二电机与所述第三转轴相连，第一定轴齿轮组小齿轮位于所述第四转轴上，大齿轮位于第七转轴上，将动力由输入轴系传递至平行轴系，第二定轴齿轮组小齿轮位于所述第七转轴上，大齿轮位于第二转轴上，将动力由平行轴系传递至输出轴系，差速器位于所述第二转轴上。
  2. 根据权利要求1所述的双电机双行星排多模式机电耦合传动装置，其特征在于，所述第一电机通过定轴齿轮组置于平行轴。
  3. 根据权利要求1所述的双电机双行星排多模式机电耦合传动装置，其特征在于，所述第二电机通过定轴齿轮组置于平行轴。
  4. 根据权利要求1所述的双电机双行星排多模式机电耦合传动装置，其特征在于，还包括第三制动器，所述第三制动器连接所述第五转轴与所述箱体。
  5. 根据权利要求1所述的双电机双行星排多模式机电耦合传动装置，其特征在于，还包括第二离合器，所述第二离合器连接所述第一转轴和所述第三转轴。
  6. 根据权利要求5所述的双电机双行星排多模式机电耦合传动装置，其特征在于，还包括第三离合器，所述第三离合器和所述第二离合器组成双离合器模块，所述第三离合器将所述第一转轴打断，打断转轴连接发动机侧为所述第一转轴，连接位于所述第一转轴上的所述行星架与所述第一制动器侧为第八转轴，所述第三离合器连接所述第一转轴与所述第八转轴。
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