WO2020249308A1 - Boîte de vitesses destinée à un système de propulsion hybride, système de propulsion hybride, véhicule et procédé de fonctionnement d'un système de propulsion hybride - Google Patents

Boîte de vitesses destinée à un système de propulsion hybride, système de propulsion hybride, véhicule et procédé de fonctionnement d'un système de propulsion hybride Download PDF

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Publication number
WO2020249308A1
WO2020249308A1 PCT/EP2020/062389 EP2020062389W WO2020249308A1 WO 2020249308 A1 WO2020249308 A1 WO 2020249308A1 EP 2020062389 W EP2020062389 W EP 2020062389W WO 2020249308 A1 WO2020249308 A1 WO 2020249308A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
transmission
coupled
planetary gear
input shaft
Prior art date
Application number
PCT/EP2020/062389
Other languages
German (de)
English (en)
Inventor
Dominik Eszterle
Rolf Lucius Dempel
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2020249308A1 publication Critical patent/WO2020249308A1/fr

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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
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0056—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising seven forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2048—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with seven engaging means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2064—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes using at least one positive clutch, e.g. dog clutch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2094—Transmissions using gears with orbital motion using positive clutches, e.g. dog clutches
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Definitions

  • the invention relates to a transmission for a hybrid drive arrangement. Further,
  • the invention relates to a hybrid drive arrangement with a transmission
  • WO2010 / 009943 shows A1
  • Dual clutch transmission which enables the operation of a hybrid vehicle
  • Coupled or “coupled” is used in the following in the sense of a
  • connection in the context of the present description includes both fixed and switchable
  • Coupled used and the use of the term “couplable”
  • a transmission for a hybrid drive arrangement which can be coupled to two drive units, with an input shaft and an output shaft, at least one first shift element, and a second
  • Planetary gear is coupled to the planet carrier of the second planetary gear
  • the input shaft can be coupled to the sun gear of the second planetary gear by means of the first switching element
  • the input shaft can be coupled to the ring gear of the first planetary gear by means of the second switching element
  • the sun gear of the first planetary gear by means of the third shift element can be coupled to the ring gear of the second planetary gear
  • the output shaft is coupled to the planet carrier of the second planetary gear.
  • a transmission for a hybrid drive arrangement is provided.
  • two drive units can be coupled to the transmission.
  • the transmission includes an input shaft and a
  • Output shaft at least a first, a second and a third shift element and a first and a second planetary gear, wherein the planet carrier of the first planetary gear is coupled to the planet carrier of the second planetary gear and is thus non-rotatably connected to it.
  • the input shaft is fixedly coupled to the first switching element and thus connected to it in a rotationally fixed manner.
  • a coupling is thus a connection that is rigid, for example in one piece, for example by means of a shaft, or with a fixed translation or gear stage.
  • Input shaft can be coupled to the sun gear of the second planetary gear by closing the first shift element.
  • the input shaft is also coupled to the second switching element and by means of closing the second
  • Switching element can be coupled to the ring gear of the first planetary gear. Furthermore, the third shift element is set up to connect the sun gear of the first planetary gear with the ring gear of the second planetary gear or to separate.
  • the output shaft is coupled to the planet carrier of the second planetary gear. In particular, the output shaft can be coupled to an output.
  • the output is in particular a shaft or an axle that transmits the movement of the output shaft to the mechanical drive train of a vehicle, for example to a differential or to a drive wheel.
  • a transmission is advantageously provided, which the speed and the
  • the transmission according to the invention is particularly suitable for a drive system that is operated with a voltage of 48V, and thus also for drive systems that use a voltage higher than 48V.
  • the transmission comprises a second
  • Input shaft a first transmission shaft, a spur gear set and a fourth and a fifth shift element, the input shaft being coupled to the second input shaft via the spur gear set, the second input shaft being able to be coupled to the first transmission shaft by means of the fourth shift element, the fifth shift element being configured for this purpose is the ring gear of the second
  • a second input shaft, a first transmission shaft and a spur gear set are provided for the transmission.
  • the spur gear set couples the input shaft and the second input shaft to one another, so that the two input shafts are connected to one another in a rotationally fixed manner.
  • a first drive unit can optionally be coupled to the input shaft or to the second input shaft.
  • the transmission has a fourth and a fifth shift element, the fourth shift element being set up for this purpose with the second input shaft
  • the gear shaft can be coupled to the ring gear of the second planetary gear by means of the fifth shift element.
  • the second input shaft can be coupled to the ring gear of the second planetary gear by means of the fourth and fifth shift elements.
  • Shift element and opened first shift element a further translation in the transmission.
  • a second further translation results from the closed first, fourth and fifth switching element and opened second and third switching element.
  • the transmission comprises a sixth shifting element, which is coupled to the first transmission shaft and is set up to drive the ring gear of the second via the fifth shifting element
  • Transmission shaft is coupled and the fifth shift element can release or brake the ring gear of the second planetary gear, in particular connect the ring gear to a fixed point or the housing, couple or support the ring gear on the housing.
  • Braking the ring gear includes reducing the speed of the ring gear, in particular until the ring gear comes to a standstill.
  • Releasing the ring gear includes releasing the brake so that the ring gear accelerates in accordance with the forces acting on the ring gear. In addition to those already mentioned, this is advantageous
  • Gear ratios further gear ratios in the gear.
  • the transmission comprises a seventh shifting element, which is set up to connect or disconnect the ring gear of the first planetary gear with the first transmission shaft.
  • a seventh shifting element is provided for the transmission, with which the ring gear of the first planetary gear can be coupled to the first transmission shaft.
  • the ring gear of the first planetary gear can advantageously also be braked by simultaneously closing the sixth and the seventh shifting element.
  • the topology of the transmission described so far with the first, second, third, fourth, fifth, sixth and seventh shifting element, in addition to the already mentioned, further operating modes results. This advantageously results when the third, fourth, fifth and seventh switching elements are closed and opening the first, the second and the sixth shifting element a further translation between the input and the output shaft.
  • there is a second further gear ratio when the first, third, fourth, fifth and seventh switching elements are closed and when the second, fifth and sixth switching elements are opened.
  • a third further gear ratio is obtained by closing the first, third, sixth and seventh shifting element and by opening the second, fourth and fifth shifting element, in which the output shaft is in
  • the first and / or the second and / or the third and / or the fourth and / or the fifth and / or the seventh shifting element comprise a clutch and / or the sixth shifting element comprises a brake.
  • the clutch can be a friction clutch or a claw clutch or a wet or dry clutch.
  • the first, the third and the fifth shifting element are advantageously designed as a friction clutch.
  • the second, fourth, sixth and seventh shifting elements are designed as a dog clutch. Possibilities for a controllable connection of the
  • Input shaft provided with the components of the planetary gear.
  • the second and the seventh shift element are designed as a pair of clutches, such as a double claw.
  • the fourth and the sixth shifting element are designed as a pair of clutches, such as a double claw, for example.
  • a pair of clutches has the advantage that installation space can be saved. With a pair of clutches, there are usually three operating states for the pair of clutches: both clutches open, first clutch open and second clutch closed, or first clutch closed and second clutch open.
  • the sixth shift element is designed as a brake, in particular a dry or wet brake or as a dog clutch.
  • a first drive unit in particular an internal combustion engine, is coupled to the input shaft or the second input shaft and / or a second drive unit, in particular an electrical machine, is coupled to the sun gear of the second planetary gear.
  • the first drive unit is coupled on the input side to the input shaft or the second input shaft.
  • the second drive unit is coupled to the sun gear of the second planetary gear, in particular via a third input shaft.
  • Drive unit for example an electrical machine, for example for charging a battery, the first drive unit or the
  • Internal combustion engine can be connected to the electrical machine by closing the first switching element and opened switching elements two to seven. Since both drive units are decoupled from the output shaft and no torque is transmitted to the output shaft, this charging can take place when the output shaft is at a standstill, for example
  • a first power-split operation of the transmission is made possible by closing the second and third shift elements and opening the first, fourth, fifth, sixth and seventh shift elements.
  • the first drive unit acts on the first
  • the transmission ratio between the input shaft and the output shaft can be varied continuously over a wide range by specifying a speed or a torque of the second drive unit.
  • a power-split operation, or also called eCVT mode, is advantageously made possible, in which both the propulsion power on the output shaft and the
  • Charging power for the generator operation of the electric machine can be set independently of one another. Loading in the stand is advantageous or while crawling (> 0km / h to approx. 10KM / h) and a gentle, more comfortable
  • a second power-split operation of the transmission is made possible by engaging the fourth and fifth shifting elements and opening the first, second, third, sixth and seventh shifting elements. Furthermore, a third power-split operation of the transmission results from closing the third, fourth and seventh shifting element and opening the first, second, fifth and sixth shifting element. The same applies to the second and third power-split operation of the transmission as to the first power-split operation of the transmission.
  • the input shaft When the first, second and fourth shifting element is open, the input shaft, and thus the first drive unit, is decoupled from the output shaft.
  • the fifth and sixth shifting element is additionally closed and the third and seventh shifting element is open, the second drive unit is connected to the output shaft via a first transmission (first electrical transmission), so that the output shaft can only be driven by means of the second
  • Drive unit can be done.
  • the second drive unit is coupled to the output shaft via a second transmission (second electrical transmission). This is a second electrical translation for a single drive by means of the second drive unit.
  • the third, fifth and seventh shifting element is closed and the sixth shifting element is open, the second drive unit is coupled to the output shaft via a third gear ratio (third electrical gear ratio), so that the output shaft can only be driven by means of the second drive unit.
  • the first drive unit By means of, in particular metered, closing of the first shift element, the first drive unit can be driven and started, for example, if the first drive unit is an internal combustion engine while driving by means of the second drive unit with the first electrical transmission. Starting the second drive unit for driving with the first gear ratio is particularly convenient. Furthermore, by means of, in particular metered, closing of the first shift element
  • Switching element can be driven from driving by means of the second drive unit with the third electrical transmission, the first drive unit and, for example, started if the first drive unit is on
  • Internal combustion engine is. It is particularly easy to start the second drive unit for driving with the third gear ratio.
  • the first drive unit can be driven and, for example, started from driving by means of the second drive unit with the second electrical transmission, if the first drive unit is an internal combustion engine. Starting the second drive unit for driving with the seventh gear ratio is particularly easy.
  • the first drive unit is configured, for example, as an electrical machine and the second drive unit is configured, for example, as an internal combustion engine.
  • the transmission can result in other functionalities and operating modes for the interaction of the components, which are not discussed further here.
  • a change in the gear ratios of the transmission takes place without interruption of traction, especially when one of the shifting elements maintains its state, a second one of the shifting elements from one, especially for changing from one operating mode of the transmission to another closed state is transferred to an open state and a third of the switching elements is transferred from an open to a closed state.
  • a transmission is advantageously provided in which the gear steps can be changed without interrupting the tractive force.
  • the transmission comprises a
  • a control is provided which depends on a predetermined operating signal, for example a requested torque, a predetermined speed, or a specific operating point
  • Output shaft of the transmission to be related to the input shaft or to the shafts to be connected to the drive units. Control of the transmission is advantageously made possible.
  • the invention also relates to a hybrid drive arrangement with a transmission, the hybrid drive arrangement comprising a first drive unit and a second drive unit and / or a pulse-controlled inverter and / or an electrical energy source.
  • the hybrid drive arrangement comprises a first and a second drive unit.
  • the hybrid drive arrangement comprises a pulse-controlled inverter and / or an electrical machine.
  • the drive unit is in particular coupled or connected to the input shaft or the second input shaft.
  • the second drive unit is coupled or connected in particular to the sun gear of the second planetary gear.
  • the pulse-controlled inverter is provided in particular to supply the second drive unit, in particular an electrical machine.
  • the second drive unit converts in particular the electrical energy of an electrical energy source, for example a battery and / or a fuel cell.
  • a hybrid drive arrangement which is set up for use in a vehicle is advantageously provided.
  • the invention further comprises a vehicle with one described
  • Hybrid drive arrangement A vehicle is advantageously provided which comprises a hybrid drive arrangement.
  • the invention further comprises a method for operating a hybrid drive arrangement with a transmission. The procedure consists of the following steps:
  • a method for operating a hybrid drive arrangement with a transmission is provided. An operating default signal is determined.
  • At least one of the switching elements is closed or opened for setting the functionality of the transmission or a corresponding operating mode as a function of the operating specification signal.
  • the default operating signal is specified as a function of an operating strategy, a driver's request or accelerator pedal, a battery management system or other systems available, for example, in a vehicle.
  • the switching elements for setting the corresponding functionality or the operating mode of the transmission are actuated as a function of this operating specification signal, in particular the clutches or brakes are closed or opened.
  • the functionality of the transmission or the operating mode are, in particular, the different gear ratios of the various gear steps, or the various modes or operating modes, for example a generator operation of the second drive unit when the output shaft is at a standstill or the eCVT mode.
  • a method for operating the hybrid drive arrangement is advantageously provided.
  • the invention also relates to a computer program which is set up to carry out the described method.
  • the invention also relates to a machine-readable storage medium on which the described computer program is stored.
  • Figure 1 a schematic representation of the
  • Hybrid drive train arrangement with a transmission
  • Figure 2 a switching matrix of the transmission.
  • FIG. 3 a graphic representation of the shiftability matrix of the gears that can be shifted without interruption of traction
  • Figure 4 a schematically shown vehicle with a
  • FIG. 5 a schematically illustrated method for operating a
  • the hybrid drive train arrangement 200 with a first drive unit 7, in particular an internal combustion engine, and a second drive unit 8, in particular an electric machine and a transmission 100.
  • the hybrid drive train arrangement comprises a pulse-controlled inverter 60 for supplying the second drive unit 8 with electrical energy.
  • the hybrid drive train arrangement 200 further comprises in particular an electrical energy source 70 which is connected to the
  • the transmission 100 includes the
  • the transmission 100 also includes a first planetary gear 5 and a second planetary gear 6.
  • the transmission 100 also includes a first shift element SEI, a second
  • the first shift element SEI in particular a clutch, is set up to connect or to connect the input shaft 10 to the sun gear S2 of the second planetary gear 6 separate.
  • the second shift element SE2, in particular a clutch, is designed to connect the input shaft to the ring gear Hl of the first
  • Planetary gear 5 to connect or disconnect.
  • the third shift element SE3, in particular a clutch, is set up to connect or disconnect the sun gear S1 of the first planetary gear 5 with the ring gear H2 of the second planetary gear 6.
  • Planetary gear 5 is firmly coupled to planet carrier P2 of second planetary gear 6.
  • Output shaft 11 is firmly connected to planet carrier P2 of second planetary gear 6.
  • the transmission 100 can have a second input shaft 10a, an optional third input shaft 10c and a first transmission shaft 10b as well as a
  • the input shaft 10 is connected to the second input shaft 10a via a spur gear set 16.
  • the transmission 100 can also have a fourth shift element SE4, a fifth
  • the fourth shift element SE4 in particular a clutch, is set up to connect or disconnect the second input shaft 10a to the first transmission shaft 10b.
  • Shift element SE4 can be coupled to the first transmission shaft 10b via an optional second spur gear set 17.
  • the fifth shift element SE5, in particular a clutch is set up to connect or disconnect the first gear shaft 10b to the ring gear H2 of the second planetary gear 6.
  • the seventh shifting element, in particular a clutch is set up to connect or disconnect the first gear shaft 10b to the ring gear Hl of the first planetary gear 5.
  • the sixth shift element SE6, in particular a brake is coupled to the first gear shaft 10b, for example via an optional second spur gear set 17, and is set up to drive the ring gear Hl of the first planetary gear 5 and / or via the fourth shift element SE4 via the seventh shift element SE7 the ring gear H2 of the second
  • the sixth shift element SE6 is connected to the second input shaft 10a via the fourth shift element SE4 such that it can be coupled.
  • the second and the seventh switching element SE2, SE7 and the fourth and the sixth switching element SE4, SE6 are each as
  • Coupling pair especially designed as a double claw coupling.
  • This has the advantage that the clutches can be implemented in a very space-saving manner.
  • a clutch pair can have three states: 1) first clutch closed and second clutch open, 2) first clutch and second clutch open, 3) first clutch open and second clutch closed.
  • first, the third and the fifth shifting element can each be designed as power shifting elements, such as a friction clutch.
  • the transmission is further set up to be coupled or connected for operation with a first drive unit 7 via the input shaft 10 or the second input shaft 1.
  • FIG. 1 shows that the shaft of the drive unit 7 is connected to the second input shaft 10.
  • the power can be transmitted from the input shaft 10 to the second input shaft 10a or from the second input shaft 10a to the first transmission shaft via spur gear sets 16, 17.
  • the second drive unit 8, in particular an electric machine, is for the operation of the transmission 100 as shown in FIG. 1 by means of an optional spur gear set 18 with a third
  • the second drive unit 8 is coupled or connected to the sun gear S2 of the second planetary gear 6 via the third input shaft 10c.
  • an optional further spur gear set on the output shaft 11 is not shown in FIG. 1.
  • the output shaft 11 can be connected, for example, via an output, in particular a spur gear set, to a differential via which the movements are transmitted to the wheels 310 will.
  • a control 50 is provided for controlling the shift elements, which executes the method for operating the hybrid drive arrangement with the transmission.
  • the control lines are by means of the arrows on the controller 50 - In indicated between the control 50 and the switching elements SE1 ... SE7. These control lines are not shown in full for better illustration.
  • the communication between the switching elements and the device can, however, also take place by means of a BUS system or wirelessly.
  • Figure 2 shows a switching matrix of the transmission.
  • the individual switching elements SE1 ... SE7 are indicated and in the last column an example between the input shaft and the output shaft
  • the shift matrix shows that, depending on the combination of the seven shift elements, eight gears G1 ... G7, R can be set, with the first gear Gl having the highest gear ratio and the seventh gear G7 the lowest gear ratio.
  • the R gear is the reverse gear. With these gears there is a fixed between the input and output shaft
  • Output shaft 11 are internal combustion engine or hybrid gears, for example when the drive unit is on
  • Internal combustion engine and the second drive unit is an electric one
  • Output shaft 11 is connected.
  • the first, the second and the fourth switching element SEI, SE2, SE5 in particular have to be open so that there is no connection to the first drive unit.
  • These are especially electromotive gears, for example if the second drive unit is an electric machine.
  • a vehicle can advantageously be operated locally emission-free in these aisles.
  • SE7 there are three eCVT modes eCVTl, eCVT2, eCVT3 with different gear ratios.
  • this operating mode is suitable for hybrid starting when the battery charge state is low, since the transmission ratios can be continuously changed and thus in particular continuously accelerated with simultaneous generator operation of the second
  • Another mode CH or also called stationary charging, results when only the first switching element SEI is closed and all the other six
  • Switching elements SE2 ... SE7 are open.
  • the drive units 7 and 8 are coupled to one another, there being no connection to the output shaft 11. In this operating mode, while the
  • the second 8 can be driven, for example as a generator for charging an electrical energy source 70, for example a battery.
  • an electrical energy source 70 for example a battery.
  • Drive unit 8 also the first drive unit 7 are driven and, for example, an internal combustion engine start or a diagnosis of the
  • first drive unit 7 is a Is internal combustion engine and the second drive unit 8 is an electric machine.
  • FIG. 3 shows a graphic representation of the shiftability matrix of the gears that can be shifted without interruption in traction.
  • On the left side are the three electromotive gears E1 ... E3 and in the middle the eight
  • Combustion engine gears G1 ... G7, R on the right side the three eCVT gears are shown.
  • the solid arrow symbolizes transitions between two gears without interruption of traction and the dashed arrow symbolizes a normal transition between two gears. So it is always possible to shift into the next higher gear with the internal combustion engine gears Gl to R.
  • From first gear Gl and seventh gear G7 it is possible to shift into eighth gear R, the reverse gear, without interruption of traction.
  • Between the first electromotive gear El it is possible to change to the second electromotive gear E2 without interruption of traction.
  • the internal combustion engine can be started in first gear Gl from the first electric motor gear El without an additional starter being necessary, a so-called comfort start.
  • a comfort start is characterized by the fact that the start takes place without interruption of traction.
  • the internal combustion engine can also be started in second gear G2 from the first electromotive gear El. However, this starting process is then not as comfortable as starting in the first internal combustion engine gear Eq.
  • a comfort start of the is from the second electromotive gear E2
  • first eCVTl gear With the eCVT gears, it is possible to transition to the next gear without interruption of traction. In addition, there is an uninterrupted transition from first eCVTl gear to first, second and third gear
  • FIG. 4 shows a vehicle 300 with wheels 310, the vehicle comprising a hybrid drive arrangement 200, as described above.
  • FIG. 5 shows a flow chart of a method 400 for operating a hybrid drive arrangement 200 with a transmission 100.
  • the method starts with step 405.
  • an operating default signal BV is determined and in step 420 at least one of the shifting elements SE1... SE7 is activated for setting the functionality of the transmission 100 as a function of the operating default signal BV.
  • the method ends with step 425.
  • the default operating signal BV is either a parameter for a physical variable in the transmission 100 such as e.g. a torque or a speed or one to be transmitted
  • Operating default signal BV also has a specific operating mode such as one of the eight internal combustion engine gears G1 ... G7, R or the three
  • one of the shifting elements SE1 ... SE7 maintains its state before and after the shift, with a further shifting element during shifting from the open to the closed state while another is off the closed to the open state.

Abstract

L'invention concerne une boîte de vitesses (100) destinée à un système de propulsion hybride, laquelle boîte de vitesses peut être accouplée à deux ensembles de propulsion (7, 8) et comporte un arbre d'entrée (10) et un arbre de sortie (11), au moins un premier, un deuxième et un troisième élément de commande de changement de vitesses (SE1, SE2, SE3), et une première et une seconde boîte de vitesses à trains épicycloïdaux (5, 6), le porte-satellites (P1) de la première boîte de vitesses à trains épicycloïdaux (5) étant accouplé au porte-satellites (P2) de la seconde boîte de vitesses à trains épicycloïdaux (6), l'arbre d'entrée (10) pouvant être accouplé au pignon planétaire (S2) de la seconde boîte de vitesses à trains épicycloïdaux (6) au moyen du premier élément de commande de changement de vitesses (SE1), l'arbre d'entrée (10) pouvant être accouplé à la couronne (H1) de la première boîte de vitesses à trains épicycloïdaux (5) au moyen du deuxième élément de commande de changement de vitesses (SE2), le pignon planétaire (S1) de la première boîte de vitesses à trains épicycloïdaux (5) pouvant être accouplé à la couronne (H2) de la seconde boîte de vitesses à trains épicycloïdaux (6) au moyen du troisième élément de commande de changement de vitesses (SE3), et l'arbre de sortie (11) étant accouplé au porte-satellites (P2) de la seconde boîte de vitesses à trains épicycloïdaux (6).
PCT/EP2020/062389 2019-06-12 2020-05-05 Boîte de vitesses destinée à un système de propulsion hybride, système de propulsion hybride, véhicule et procédé de fonctionnement d'un système de propulsion hybride WO2020249308A1 (fr)

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DE102019208549.0 2019-06-12
DE102019208549.0A DE102019208549A1 (de) 2019-06-12 2019-06-12 Getriebe für eine Hybridantriebsanordnung

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10162888A1 (de) * 2001-12-20 2003-07-10 Zahnradfabrik Friedrichshafen Mehrstufengetriebe
WO2010009943A1 (fr) 2008-07-24 2010-01-28 Robert Bosch Gmbh Procédé et dispositif pour démarrer un véhicule hybride
KR101283598B1 (ko) * 2011-06-22 2013-07-05 현대자동차주식회사 차량용 자동변속기의 유성기어트레인
DE102016213735A1 (de) * 2016-07-27 2018-02-01 Zf Friedrichshafen Ag Mehrstufengetriebe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7300374B2 (en) * 2005-11-10 2007-11-27 Gm Global Technology Operations, Inc. Multi-mode electrically variable transmissions having two planetary gear sets with one fixed interconnection
DE102016213736A1 (de) * 2016-07-27 2018-02-01 Zf Friedrichshafen Ag Mehrstufengetriebe
DE102017201431B3 (de) * 2017-01-30 2018-05-30 Audi Ag Antriebsvorrichtung für ein hybridgetriebenes Kraftfahrzeug

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10162888A1 (de) * 2001-12-20 2003-07-10 Zahnradfabrik Friedrichshafen Mehrstufengetriebe
WO2010009943A1 (fr) 2008-07-24 2010-01-28 Robert Bosch Gmbh Procédé et dispositif pour démarrer un véhicule hybride
KR101283598B1 (ko) * 2011-06-22 2013-07-05 현대자동차주식회사 차량용 자동변속기의 유성기어트레인
DE102016213735A1 (de) * 2016-07-27 2018-02-01 Zf Friedrichshafen Ag Mehrstufengetriebe

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