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WO2016134710A1 - Transmission hybride pour un véhicule ainsi que véhicule équipé de la transmission hybride - Google Patents

Transmission hybride pour un véhicule ainsi que véhicule équipé de la transmission hybride Download PDF

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Publication number
WO2016134710A1
WO2016134710A1 PCT/DE2016/200039 DE2016200039W WO2016134710A1 WO 2016134710 A1 WO2016134710 A1 WO 2016134710A1 DE 2016200039 W DE2016200039 W DE 2016200039W WO 2016134710 A1 WO2016134710 A1 WO 2016134710A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
output
coupling
input
shaft
Prior art date
Application number
PCT/DE2016/200039
Other languages
German (de)
English (en)
Inventor
Thomas Mehlis
Bastian Krüger
Andreas Kinigadner
Original Assignee
Schaeffler Technologies AG & Co. KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2016134710A1 publication Critical patent/WO2016134710A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/724—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines
    • F16H3/725—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines with means to change ratio in the mechanical gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K2006/4816—Electric machine connected or connectable to gearbox internal shaft
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Definitions

  • the invention relates to a novel hybrid transmission for a vehicle having a first input shaft for coupling a first traction motor, with a second input shaft for coupling a second traction motor, with an output shaft for coupling an output, with a first gear stage section, wherein the first gear stage section, a first input gear, a first idler gear and a first output gear, wherein the first input gear is non-rotatably mounted on the first input shaft, wherein the first output gear is arranged as a loose wheel on the output shaft, wherein the intermediate gear is in operative connection with the first input gear and with the first output gear, with a planetary gear portion, wherein the planetary gear portion comprises a sun gear, a planetary carrier, a plurality of planetary gears and a ring gear, wherein the planet gears are rotatably mounted on the planet carrier and with the sun gear and with the ring gear combing, wherein the sun gear is rotatably connected to the second input shaft, with a second gear stage portion, wherein the second gear
  • Hybrid vehicles have both an electric motor and an internal combustion engine as traction motors. These two traction motors can be alternatively or jointly used in different operating states of the hybrid vehicle in order to provide a drive torque for the hybrid vehicle.
  • a drive train for a hybrid vehicle is shown.
  • the powertrain has an input shaft for an electric motor, an input shaft for an internal combustion engine, and an output shaft for coupling to a differential device, wherein the shafts can be brought into communication with each other via a plurality of gear stages, so that a plurality of operating states of the drive train is possible.
  • the DE 10 201 1 089 708 A1 describes a hybrid drive of a motor vehicle with a planetary gear having a non-rotatably connected to an input shaft input element, an alternately fixed housing via gearshift elements lockable or otherwise connectable to the planetary gear intermediate element and an output element.
  • DE 10 2013 214 950 A1 describes a torque superposition device for a hybrid drive, wherein a positive and / or frictional clutch for alternatively selectable torque-fixed connection with a translation device is arranged on a planetary gear.
  • the subject of the invention is a hybrid transmission which is suitable and / or designed for a vehicle.
  • the hybrid transmission forms part of the drive train of the vehicle and serves to direct a drive torque from exactly or at least one electric motor and / or from an internal combustion engine to an output and, if necessary, to translate, in particular to translate or set.
  • the vehicle is preferably designed as a passenger car, truck, bus, etc.
  • the transmitted via the hybrid transmission drive torque is used to drive the vehicle, for example, in traffic.
  • the vehicle can be accelerated by the transmitted via the hybrid transmission drive torque to a speed greater than 50 km / h.
  • the hybrid transmission has a first input shaft for coupling a first traction motor. Furthermore, the hybrid transmission has a second input shaft for coupling a second traction motor.
  • One of the traction motors is designed as the electric motor, the other than the internal combustion engine.
  • the first traction motor is designed as the electric motor and the second traction motor as the internal combustion engine.
  • the two traction motors in particular the electric motor and the internal combustion engine, form part of the hybrid transmission.
  • the hybrid transmission comprises an output shaft for coupling the output.
  • the output is formed by a differential device.
  • the Differential device may be formed in particular as a longitudinal differential device or as a transverse differential device.
  • the first input shaft, the second input shaft and the output shaft are arranged parallel to one another.
  • the hybrid transmission has a first gear stage portion which includes a first input gear, a first idler gear, and a first output gear.
  • said wheels are formed as spur gears.
  • the first input gear is non-rotatably arranged on the first input shaft.
  • the first output gear is arranged as a loose wheel on the output shaft, which thus can rotate relative to the output shaft.
  • the idler gear is in operative connection with the first input gear and with the first output gear.
  • the intermediate gear meshes with the first input gear and the first output gear.
  • the planetary gear section includes a sun gear, a planetary carrier, a plurality of planetary gears and a ring gear.
  • the planet gears are rotatably mounted on the planet carrier. It is envisaged that the axes of rotation of the planet gears are distributed on a common pitch circle about the axis of rotation of the planet carrier.
  • the planetary gears mesh on the one hand with the sun gear and on the other hand with the ring gear.
  • the sun gear is rotatably connected to the second input shaft.
  • the hybrid transmission has a second gear stage section, which comprises a second input gear and a second output gear.
  • the second input gear and the second output gear are in operative connection with each other, in particular, these two wheels mesh directly with each other.
  • the second Input wheel is rotatably connected to the planet carrier so that it rotates with the planet carrier.
  • the second output gear is arranged as a loose wheel on the output shaft, so that it can rotate independently of the output shaft.
  • this has a plurality of coupling devices.
  • the coupling devices are configured to couple together two elements or components of the hybrid transmission.
  • coupling means that these components can be set against rotation with each other and can be released from each other again.
  • the coupling devices are used in particular for the detachable coupling of two components.
  • the hybrid transmission has a first coupling device, which is designed for coupling of the first intermediate gear and the ring gear.
  • a second coupling device is designed for coupling the second input shaft and the planet carrier.
  • a third coupling device is designed for coupling the first output gear to the output shaft.
  • a fourth coupling device is designed for coupling the second output gear to the output shaft.
  • the hybrid transmission has a control device for controlling the coupling devices so that they can be opened and closed.
  • the control device may be formed as a separate control device, but it is also possible that this is realized as a functional module of a central control of the vehicle.
  • the hybrid transmission can take a variety of operating conditions, which are described below.
  • the hybrid transmission is a total solution, which is a variety of optional benefits depending on the realized operating conditions, such as:
  • the hybrid transmission is in particular designed to occupy at least one, some, any selection or all of the operating states in the following table.
  • the position (Pos) designates the switching state of the respective operating state.
  • the letters are assigned as follows:
  • the fifth coupling device is optional and will be explained later. If the fifth coupling device is present, it will be switched as shown in the table. If this does not happen, the corresponding column is omitted. "1" means that the respective coupling device is closed and a torque is transmitted via the coupling device or at least is transferable. “0” means that the coupling device is open and no torque can be transmitted.
  • this operating state forms a starting state for an internal combustion engine starting.
  • an internal combustion engine starting without friction elements and / or other starting elements is possible.
  • the electric motor When starting, the electric motor is first operated or entrained in a rotational direction, so that an electric power is subtracted from the power of the internal combustion engine in the planetary gear section acting as a transfer case.
  • the electric motor is set in a generator mode.
  • a braking torque can be applied by generator operation, in the opposite / negative direction of rotation.
  • the generator speed of the electric motor or the first input shaft With increasing speed of the vehicle, the generator speed of the electric motor or the first input shaft is reduced.
  • a holding torque of the electric motor is applied.
  • the positive direction of rotation of the electric motor is used as a traction motor and the planetary gear section acts as a summation gear.
  • Position 4 Power Shift 0
  • the torque path between the first input shaft or the electric motor and the output shaft, as established in the operating position position 3 is maintained, so that traction interruption-free indexing is possible.
  • a torque path between the internal combustion engine and the output shaft is established, with this torque path running via the second coupling device B. If now switched from the operating state position 3 with the aim of the operating state position 5, the sun gear and the planet carrier are brought to the same speed by the speed between the first input shaft and the second input shaft or between the electric motor and the engine is adjusted so that the coupling device B can be closed.
  • This operating state is a purely internal combustion engine operating state, wherein the drive torque is generated exclusively by the internal combustion engine.
  • the torque path between the electric motor or the first input shaft and the output shaft is opened by opening the coupling device A.
  • This operating state thus represents a mixed operating state or hybrid state.
  • the first coupling device comprises an intermediate shaft, wherein the first intermediate gear is arranged as idler gear on the intermediate shaft and the ring gear is rotatably connected to the intermediate shaft.
  • the first coupling device is designed to couple the first intermediate gear to the intermediate shaft.
  • the first idler gear is disposed as a fixed gear on the intermediate shaft and the ring gear forms a idler gear with respect to the intermediate shaft, wherein the first coupling device is configured to couple the ring gear to the intermediate shaft.
  • this embodiment is technically complex, it is preferred that this is rotatably connected to the intermediate shaft, so that the bearing of the ring gear can take place via the intermediate shaft and is thereby simplified.
  • the coupling devices is designed as a form-locking coupling and in particular as a dog clutch.
  • frictionally engaged coupling devices are dispensed with so that a particularly low-friction operation is possible in the operating states.
  • the hybrid transmission has a freewheel device for the rotational direction-dependent decoupling of the internal combustion engine from the second input shaft.
  • the internal combustion engine has a starter device, in particular a pinion starter or a belt starter.
  • the hybrid transmission has a third gear stage section, which comprises a third input gear and a third output gear.
  • the third input gear is rotatably coupled to the ring gear, the third output gear is arranged as a loose wheel on the output shaft.
  • the third input gear is in operative connection with the third output gear, particularly preferably these two wheels mesh directly with each other.
  • the hybrid transmission has a fifth coupling device, which is designated in the table with E, which is designed to couple the third output gear to the output shaft.
  • the fifth coupling device can also be designed as a form-locking coupling, in particular a dog clutch.
  • the comparatively small complement of the third gear stage section makes it possible to achieve up to three further operating states, wherein the hybrid transmission can implement one, some, any selection or all operating states.
  • the operating conditions are shown with the same nomenclature as before in the following table:
  • This operating state corresponds to the operating state in position 7, so reference is made to the description in this regard.
  • This operating state is a mixed operating state, wherein a torque path extends from the first input shaft via the first transmission section to the output shaft and, moreover, a torque path extends from the second input shaft via the planetary gear section and the third gear step section to the output shaft.
  • the first input shaft is coupled to the output shaft via the planetary gear portion and the third gear stage portion.
  • a mixed operating state or hybrid operating state is present again.
  • the fourth and the fifth coupling device are jointly designed as an exchangeable coupling device, in particular a reciprocal coupling device, in particular a coaxially alternating switching device, wherein a central coupling element (exclusively) alternatively the fourth coupling device or the fifth Can close coupling device.
  • the interchangeable coupling device further reduces the number of components of the hybrid transmission.
  • the actuation of the coupling devices can take place via a central electromechanical or hydraulic gear regulator.
  • Another object of the invention relates to a vehicle having an electric motor and an internal combustion engine and the hybrid transmission as described above.
  • the electric motor is connected to the first input shaft, the internal combustion engine is in operative connection with the second input shaft.
  • Another possible object of the invention relates to a method for switching the hybrid transmission and / or the vehicle, being changed from a first operating state in a second operating state.
  • FIGS. 1 - 12 different operating states of a hybrid transmission as an embodiment of the invention
  • FIG 13 is a schematic representation of the hybrid transmission of the preceding figures, wherein the individual components are provided with reference numerals.
  • FIG. 13 shows a hybrid transmission 1, which is designed as part of a drive train of a vehicle 2.
  • the vehicle 2 or the hybrid transmission 1 has as traction motors an electric motor 3 and an internal combustion engine 4.
  • a drive torque of the electric motor 3 and / or the internal combustion engine 4 can be passed to an output 5, wherein the output 5 is formed in this example as a differential device 6 and the Antnebsfelnnonnent example, distributed to two driven wheels of an axle of the vehicle 2.
  • the electric motor 3 is operatively connected to a first input shaft 7.
  • a rotor of the electric motor 3 is rotatably connected to the first input shaft 7.
  • the internal combustion engine 4 is connected via an optional freewheel device 8 to a second input shaft 9 in at least one direction of rotation such that a drive torque can be conducted from the internal combustion engine 4 to the second input shaft 9.
  • the output 5 is set via an output shaft 10 in operative connection.
  • the output shaft 10 has a driven wheel 1 1, which meshes with a drive wheel 12 of the output 5 or the differential device 6.
  • the hybrid transmission 1 has a first gear stage section 13, which comprises a first input gear 13.1, a first intermediate gear 13.2 and a first output gear 13.3.
  • the first gear stage portion 13 is formed as a spur gear stage portion.
  • the first input gear 13.1 meshes with the first intermediate 13.2.
  • the first intermediate gear 13.2 meshes with the first output gear 13.3.
  • the first input gear 13.1 is mounted as a fixed gear on the first input shaft 7.
  • the first output gear 13.3 sits as a loose wheel on the output shaft 10.
  • the first intermediate 13.2 is formed as a loose wheel.
  • Between the first input gear 13.1 and the first intermediate 13.2 a translation i4 is provided. Between the first intermediate gear 13.2 and the first output gear 13.3 is a translation i1 before.
  • the hybrid transmission 1 has a planetary gear section 14, which includes a sun gear 14.1, a planet carrier 14.2 - also called web - a plurality of planetary gears 14.3 and a ring gear 14.4.
  • the sun gear 14.1 is rotatably connected to the second input shaft 9.
  • the planet gears 14.3 sit with their axes of rotation spaced from the second input shaft 9 rotatably mounted on the Planet carrier 14.2 and comb with the sun gear 14.1.
  • the ring gear 14.4 also meshes with the planetary gears 14.3.
  • a first coupling device A is provided between the planetary gear portion 14 and the first gear stage section 13, which - seen functionally - allows a releasable coupling between the ring gear 14.4 and the first intermediate 13.2.
  • the first coupling device A comprises an intermediate shaft 15, to which the first intermediate gear 13.2 is placed as a loose wheel.
  • the first coupling device A allows a releasable, non-rotatable coupling between the intermediate shaft 15 and the first intermediate 13.2.
  • the first coupling device A on a jaw clutch for a positive coupling of said components.
  • the hybrid transmission 1 has a second coupling device B, which is functionally designed for releasable, rotationally fixed coupling between the second input shaft 9 and the planet carrier 14.2.
  • the second coupling device B can also be designed as a dog clutch.
  • the planet carrier 14.2 can be divided into a support section 14.5 and a bearing section 14.6, wherein the bearing section 14.6 has a smaller outer diameter than the support section 14.5.
  • the planet carrier 14.2 is stepped.
  • the second coupling device B couples the second input shaft 9 to the bearing section 14.6.
  • the hybrid transmission 1 has a second gear stage section 16, which comprises a second input gear 16.1 and a second output gear 16.2.
  • the second input gear 16.1 is rotatably connected to the planet carrier 14.2 and placed in particular on the bearing section 14.6.
  • the second output gear 16.2 is placed as a loose wheel on the output shaft 10.
  • the hybrid transmission 1 has a third coupling device C, wherein the third coupling device C is - seen functionally - designed to releasably, the output shaft 10, rotatably coupled to the first output gear 13.3.
  • the third coupling device C is formed as a dog clutch.
  • the hybrid transmission 1 further has a third gear stage section 17, wherein the third gear stage section 17 has a third input gear 17.1 and a third output gear 17.2.
  • the third input gear 17.1 is rotatably connected to the ring gear 14.4 and formed as an external toothing to this.
  • the third output gear 17.2, however, is designed as a loose wheel on the output shaft 10.
  • the hybrid transmission 1 has a fourth coupling device D, wherein the fourth coupling device D - seen functionally - is designed to releasably rotatably couple the output shaft 10 with the second output gear 16.2 or decouple. Furthermore, the hybrid transmission 1 has a fifth coupling device E, which - seen functionally - is designed to releasably rotatably couple the output shaft 10 with the third output gear 17.2 or decouple.
  • the fourth coupling device D and the fifth coupling device E as an exchange coupling device, in particular a mutual coupling device, in particular a coaxially mutual switching device is formed, which has a common coupling element, which alternatively coupling the output shaft 10 with the second output gear 16.2 or can implement with the third output 17.2 (either or).
  • the fourth coupling device D and / or the fifth coupling device E can be designed as a dog clutch.
  • the second gear stage section 16 has the gear ratio i3, the third gear stage section 17 has the gear ratio i2.
  • the amounts of the translations i1, i2, i3, i4 are different.
  • the hybrid transmission 1 has a control device 18, which is designed to switch the coupling devices A, B, C, D, E and thus to set different operating states.
  • the fifth coupling device E and the third gear stage section 17 are omitted.
  • FIGS. 1 to 12 the switching states of the coupling devices A, B, C, D, E are each visualized by squares.
  • a black-colored square here means that the respective coupling device is closed, a white square means that the respective coupling device is open.
  • the torque path M runs from the internal combustion engine 4 or the second input shaft 9, via the second coupling device B, the planetary gear section 14, via the first gear stage section 13, via the first coupling device A to the electric motor 3 or to the first input shaft 7
  • the position 1 is thus shown in FIG. 1, the torque path M being from the internal combustion engine 4, to the second input shaft 9, via the second coupling device B, via the planet carrier 14.2, via the ring gear 14.4, via the first coupling device A the first intermediate gear 13.2, via the first input gear 13.1, via the first input shaft 7 to the electric motor 3 runs.
  • the position 2 is shown, wherein a torque path M is passed from the electric motor 3 and the first input shaft 7 via the first gear stage section 13 and the third coupling device C to the output shaft 10.
  • FIG. 4 shows a torque path M originating from the electric motor 3 or the input shaft 7, via the first gear stage section 13, the first coupling device A, the planetary gear section 14, the second gear step section 16 to the output shaft 10.
  • a second torque path M which leads from the internal combustion engine 4 and the second input shaft 9 via the second coupling device B, the second gear stage section 16 to the output shaft 10.
  • the position 5 is shown in FIG. 5, wherein the first torque path M in FIG. 4 is deactivated by opening the first coupling device A.
  • the second torque path M of Figure 4 / position 4 is closed.
  • the position 6 of the hybrid transmission 1 is shown, wherein by activation of the third coupling device C, a torque path M between the electric motor 3 and the first input shaft 7 and the output shaft 10 is formed, which extends over the first gear stage section 13.
  • the second torque path M of Figure 4 / position 4 is closed.
  • FIG. 7 with the position 7 the torque path M between the internal combustion engine 4 and the second input shaft 9 to the output shaft 10 is deactivated in comparison with FIG.
  • the figure 8 with the position 8 of the runs Torque path M of the position 7.
  • a torque path M between the engine 4 and the first transmission portion 13 is formed.
  • FIG. 9 with the position 9, the state according to FIG. 7 / position 7 is assumed again.
  • FIG. 10 a torque path M from the internal combustion engine 4 or the second input shaft 9 via the second coupling device B, the planetary gear section 14, the third gear step section 17 to the output shaft 10 is formed.
  • Another torque path M is closed between the electric motor 3, the first transmission section 13 and the output shaft 10. 1 1, the position 1 1 of the hybrid transmission 1 is shown, wherein the torque path M between the electric motor 3 and the first input shaft 7 and the output shaft 10 has been deactivated by deactivating the third coupling device C compared to the position 10 in FIG ,
  • a new torque path M is formed between the electric motor 3 or the first input shaft 7 and the output shaft 10, which runs via the first gear stage section 13, the first coupling device A, the planetary gear section 14 and the third gear step section 17 to the output shaft 10 ,
  • a torque of one of the traction motors ie the electric motor 3 or the internal combustion engine 4 is routed to the output shaft 10 at any time by an upshifting and / or downshifting and / or switching of the positions 1-12.
  • a traction interruption-free operation can always be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Structure Of Transmissions (AREA)

Abstract

L'invention concerne une transmission hybride (1) pour un véhicule (2), comprenant un premier arbre d'entrée (7) destiné à l'accouplement d'un premier moteur de traction (3), comprenant un second arbre d'entrée (9) destiné à l'accouplement d'un second moteur de traction (4), comprenant un arbre de sortie (10) destiné à l'accouplement d'une prise de force (5), comprenant une portion de rapport de transmission (13) qui possède une première roue d'entrée (13.1), une première roue intermédiaire (13.2) et une première roue de sortie (13.3). La première roue d'entrée (13.1) est montée solidaire en rotation sur le premier arbre d'entrée (7), la première roue de sortie (13.3) est disposée en tant que roue libre sur l'arbre de sortie (10) et la roue intermédiaire (13.2) est en liaison fonctionnelle avec la première roue d'entrée (13.1) et avec la première roue de sortie (13.3). L'objet de l'invention comprend également une portion de transmission planétaire (14), laquelle possède un pignon solaire (14.1), un porte-satellites (14.2), une pluralité de pignons satellites (14.3) et une couronne de train planétaire (14.4). Les pignons satellites (14.3) sont montés rotatifs sur le porte-satellite (14.2) et s'engrènent avec le pignon solaire (14.1) et la couronne de train planétaire (14.4). Le pignon solaire (14.1) est relié solidaire en rotation au second arbre d'entrée (9) et l'objet de l'invention comprend également une seconde portion de rapport de transmission (16) qui possède une seconde roue d'entrée (16.1) et une seconde roue de sortie (16.2). La seconde roue d'entrée (16.1) et la seconde roue de sortie (16.2) se trouvent en liaison fonctionnelle l'une avec l'autre, la seconde roue d'entrée (16.1) est reliée solidaire en rotation au porte-satellites (14.2) et la seconde roue de sortie (16.2) est disposée en tant que roue libre sur l'arbre de sortie (10). L'objet de l'invention comprend en outre un premier dispositif de couplage (A) destiné au couplage de la première roue intermédiaire (13.2) et de la couronne de train planétaire (14.4), comprend un deuxième dispositif de couplage (B) destiné au couplage du second arbre d'entrée (9) et du porte-satellites (14.2), comprend un troisième dispositif de couplage (C) destiné au couplage de la première roue de sortie (13.3) avec l'arbre de sortie (10) et comprend un quatrième dispositif de couplage (D) destiné au couplage de la second roue de sortie (16.2) avec l'arbre de sortie (10) ainsi qu'un dispositif de commande (18) destiné à commander les dispositifs de couplage (A, B, C, D).
PCT/DE2016/200039 2015-02-23 2016-01-26 Transmission hybride pour un véhicule ainsi que véhicule équipé de la transmission hybride WO2016134710A1 (fr)

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DE102015203197.7 2015-02-23
DE102015203197.7A DE102015203197B3 (de) 2015-02-23 2015-02-23 Hybridgetriebe für ein Fahrzeug sowie Fahrzeug mit dem Hybridgetriebe

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CN108032723A (zh) * 2017-11-30 2018-05-15 三汽车制造有限公司 分动箱、混合动力系统及车辆
CN108468755A (zh) * 2018-03-31 2018-08-31 重庆市江津区宏盛机械制造有限公司 大型重载矿用电动卡车二级传动机构
CN109203962A (zh) * 2017-07-07 2019-01-15 上海汽车集团股份有限公司 基于自动变速器的混合动力系统及其控制方法、存储介质

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CN106641133A (zh) * 2016-12-31 2017-05-10 湖南省农友农业装备股份有限公司 一种传动机构及变速箱
CN112677751A (zh) * 2021-01-22 2021-04-20 东风汽车集团股份有限公司 一种基于单行星齿轮机构的单电机多档混合动力电驱系统
DE102021001318B4 (de) 2021-03-11 2024-07-04 Mercedes-Benz Group AG Hybridantriebsystem

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DE102006027709A1 (de) * 2006-06-14 2007-12-20 Magna Powertrain Ag & Co Kg Getriebeeinheit für ein Kraftfahrzeug und Steuerungsverfahren hierfür
DE102007014150A1 (de) * 2007-03-23 2008-09-25 EGS Entwicklungsgesellschaft für Getriebesysteme mbH Lastschaltbares Mehrstufengetriebe
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DE102010006043A1 (de) * 2010-01-28 2011-08-18 Dr. Ing. h.c. F. Porsche Aktiengesellschaft, 70435 Hybridantriebsstrang
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CN109203962A (zh) * 2017-07-07 2019-01-15 上海汽车集团股份有限公司 基于自动变速器的混合动力系统及其控制方法、存储介质
CN109203962B (zh) * 2017-07-07 2021-05-25 上海汽车集团股份有限公司 基于自动变速器的混合动力系统及其控制方法、存储介质
CN108032723A (zh) * 2017-11-30 2018-05-15 三汽车制造有限公司 分动箱、混合动力系统及车辆
CN108468755A (zh) * 2018-03-31 2018-08-31 重庆市江津区宏盛机械制造有限公司 大型重载矿用电动卡车二级传动机构

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