WO2020249310A1 - Transmission pour un système de propulsion hybride, système de propulsion hybride, véhicule et procédé pour faire fonctionner ledit système de propulsion hybride - Google Patents

Transmission pour un système de propulsion hybride, système de propulsion hybride, véhicule et procédé pour faire fonctionner ledit système de propulsion hybride Download PDF

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Publication number
WO2020249310A1
WO2020249310A1 PCT/EP2020/062391 EP2020062391W WO2020249310A1 WO 2020249310 A1 WO2020249310 A1 WO 2020249310A1 EP 2020062391 W EP2020062391 W EP 2020062391W WO 2020249310 A1 WO2020249310 A1 WO 2020249310A1
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WO
WIPO (PCT)
Prior art keywords
gear
transmission
planetary gear
coupled
switching element
Prior art date
Application number
PCT/EP2020/062391
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 WO2020249310A1 publication Critical patent/WO2020249310A1/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
    • 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
    • F16H3/663—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another with conveying rotary motion between axially spaced orbital gears, e.g. RAVIGNEAUX
    • 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
    • F16H2200/202—Transmissions using gears with orbital motion characterised by the type of Ravigneaux set
    • F16H2200/2023—Transmissions using gears with orbital motion characterised by the type of Ravigneaux set using a Ravigneaux set with 4 connections
    • 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
    • F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means
    • 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
  • first sun gear of the double planetary gear can be coupled to the ring gear of the simple planetary gear by means of the first shift element
  • second sun gear of the double planetary gear can be coupled to the sun gear of the simple one by means of the second shift element
  • Shift element is coupled and the third shift element is coupled to the fourth shift element and the fourth shift element is coupled to the sun gear of the simple planetary gear so that the ring gear of the double planetary gear can be coupled to the sun gear of the simple planetary gear by means of the third shift element and the fourth shift element
  • Planetary gear is coupled.
  • 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, a third and a fourth switching element and a simple planetary gear and a double
  • Planetary gear which is also known as the Ravigneaux set.
  • This double planetary gear has two sun gears, a common planet carrier and a ring gear.
  • the common planet carrier includes a first planetary gear set and a second planetary gear set.
  • the first planetary set of the double planetary gear orbits the first sun gear and meshes with the first sun gear and with the ring gear.
  • the second planetary gear set of the double planetary gear orbits the second sun gear and meshes with the second sun gear and the first
  • the simple planetary gear has a sun gear, a planet carrier with a planetary gear set and a ring gear.
  • the planetary gear set orbits the sun gear and meshes with the sun gear and the ring gear.
  • the simple planetary gear is only referred to as a simple planetary gear to better distinguish it from the double planetary gear, it is a normal planetary gear.
  • the input shaft is fixed to the planet carrier of the double
  • Planetary gear in particular with the first planetary gear set of the double planetary gear, coupled and thus non-rotatably connected.
  • a coupling is to be understood as 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.
  • the first sun gear of the double planetary gear can be connected to or disconnected from the ring gear of the simple planetary gear by means of the first switching element.
  • Planetary gear can be connected or disconnected to the sun gear of the simple planetary gear by means of the second switching element.
  • the ring gear of the double planetary gear is coupled to the third shift element and thus connected to it in a rotationally fixed manner.
  • the third switching element is coupled to the fourth switching element and connected to it in a rotationally fixed manner.
  • the third and fourth switching elements can lie on a common shaft.
  • Switching element and the fourth switching element can be separated or connected to the sun gear of the simple planetary gear.
  • the output shaft is coupled to the planet carrier of the simple planetary gear and is therefore connected to it in a rotationally fixed manner.
  • Output shaft can be coupled with an output.
  • the output is in particular a shaft or an axis that the movement of the output shaft on the
  • a transmission is advantageously provided, which the speed and the torque, which is applied to the input shaft, with the first and / or second and / or third and / or fourth shifting element in accordance with the
  • the transmission according to the invention is particularly suitable for a drive system that is operated with a voltage of 48V, as well as for drive systems that use a voltage higher than 48V.
  • the transmission comprises a fifth shift element which is set up to the ring gear of the simple
  • a fifth shift element is provided for the transmission.
  • the ring gear of the simple planet carrier can be braked or released by closing or opening the fifth shift element, in particular connecting the ring gear or supporting the ring gear on a fixed point or on a housing of the transmission.
  • 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.
  • gear ratio between input shaft and output shaft a first gear ratio in the gearbox.
  • first, third, fourth and fifth switching element is closed and the second switching element is open, a second one results Translation in the gearbox.
  • first, second and fifth shifting element is closed and the fourth shifting element is open, a third gear ratio results.
  • a fourth gear ratio results when the first, second, third and fourth shifting element is closed and the fifth shifting element is open.
  • the transmission includes a sixth shifting element which is set up to brake or release the ring gear of the double planetary gear via the third shifting element.
  • a sixth shifting element is provided for the transmission, which together with the third shifting element enables the ring gear of the double planetary gear to be released or braked, in particular to connect the ring gear or to support the ring gear on a fixed point or on a housing of the transmission.
  • 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.
  • Gear ratio in which the output shaft rotates in the opposite direction than in the previous gear ratios, results when the first and fourth shifting element is open and the second, third, fifth and sixth shifting element is closed.
  • the first and / or the second and / or the third and / or the fourth shift element comprise a clutch.
  • the first and / or the second and / or the third and / or the fourth shifting element are designed as a clutch.
  • Such a clutch can in particular be a dry clutch, wet clutch, friction clutch or dog clutch. Possibilities for a controllable connection of the components of the planetary gears are advantageously provided.
  • the fifth and / or the sixth switching element comprises a brake.
  • the fifth and / or the sixth switching element are used as a brake, in particular a dry or wet brake or as a dog clutch or as
  • Friction clutch executed.
  • a possibility for controllable release and braking of the ring gears of the double and / or the single planetary gear is advantageously provided.
  • a first drive unit in particular an internal combustion engine
  • a second drive unit in particular an electrical machine, is coupled to the ring gear of the double planetary gear.
  • the first drive unit can be coupled to the input shaft on the input side.
  • the second drive unit is double with the ring gear
  • Planetary gear coupled and thus rotatably connected to it.
  • the second drive unit for example an electrical machine, for example for charging a battery
  • the first drive unit or the internal combustion engine by means of
  • the rotational energy of the first drive unit is transmitted directly to the second Drive unit or vice versa, for example to start one
  • a first power-split operation of the transmission (eCVT1 mode) is made possible by closing the first and second shifting element and opening the third, fourth, fifth and sixth shifting element.
  • the first drive unit acts on the planet carrier of the double planetary gear and the electrical machine acts on the first ring gear of the double planetary gear.
  • a second power-split operation of the transmission (eCVT2 mode) is made possible by engaging the first, fourth and sixth shift elements and opening the second, third and fifth shift elements.
  • the first drive unit acts on the planet carrier of the double planetary gear and the electrical machine acts on the first ring gear of the double
  • Planetary gear 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 propulsive power on the output shaft and the charging power for the generator operation of the electrical machine can be set independently of one another. Charging while standing or crawling (> 0km / h to approx. 10km / h) and a smooth, comfortable transition from standing mode to mode are advantageous
  • Creep loading and the mode driving with a fixed gear ratio or in a fixed gear enabled Creep loading and the mode driving with a fixed gear ratio or in a fixed gear enabled.
  • the input shaft When the first and second switching elements are open, the input shaft, and thus the first drive unit, is decoupled from the output shaft.
  • the third, fourth and fifth shifting element is additionally closed, the second drive unit is connected to the output shaft via a first transmission, 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 or the second switching element, the first drive unit can be driven and, for example, started from driving by means of the second drive unit if the first drive unit is on
  • 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 includes a control for controlling at least one of the shift elements in
  • a control is provided which depends on a predetermined operating signal, for example a requested torque, a predetermined speed, or a specific operating point
  • the invention also relates to a hybrid drive arrangement with a transmission, the hybrid drive arrangement having a second drive unit and / or a pulse-controlled inverter, electrical energy source or a first
  • the hybrid drive assembly includes a second
  • the hybrid drive arrangement comprises a pulse-controlled inverter, an electrical energy source and / or a first
  • the second drive unit is coupled or connected in particular to the ring gear of the double planetary gear.
  • the pulse-controlled inverter is in particular for supplying the second
  • Drive unit in particular an electrical machine, is provided. For this purpose, it converts in particular the electrical energy of an electrical energy source, for example a battery and / or a fuel cell.
  • the first drive unit is in particular coupled or connected to the input shaft.
  • 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, for example, in dependence on an operating strategy, a driver's request or accelerator pedal, a battery management system or other systems available to a vehicle.
  • the switching elements for setting the corresponding functionality or the operating mode of the transmission are activated 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 stages, or the various modes or operating modes, for example 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 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 comprises a double planetary gear 5, in particular a Ravigneaux set, with a first and a second sun gear Sl, S2, a common planet carrier P and a ring gear Hl.
  • the double planetary gear 5 comprises a first planetary set PI, which orbits the first sun gear Sl and meshes with the first sun gear Sl and with the ring gear Hl.
  • the double planetary gear 5 comprises a second
  • Planetary gear set P2 which orbits the second sun gear S2 and meshes with the second sun gear S2 and with the first planetary gear set PI.
  • the planet carrier P fixes the distances between the first and second planetary set PI
  • the transmission 100 also includes a simple planetary gear 6 with a sun gear S3, a planet carrier P3 and a ring gear H3.
  • the input shaft 10 is coupled to the planet carrier P of the double planetary gear 5 and is thus connected to it in a rotationally fixed manner.
  • the transmission 100 further includes a first
  • the first shift element SEI in particular a clutch, is set up to connect the first sun gear S1 of the double planetary gear 5 with the ring gear H3 of the simple one
  • the second shift element SE2 in particular a clutch, is set up to act as the second sun gear To connect S2 of the double planetary gear 5 with the sun gear S3 of the simple planetary gear 6 or to separate.
  • the third shift element SE3 and the fourth shift element SE4, in particular one or two clutches, are designed to connect or disconnect the ring gear Hl of the double planetary gear 5 with the sun gear S3 of the simple planetary gear 6.
  • the transmission 100 can further comprise a fifth shift element SE5 and a sixth shift element SE6.
  • the fifth shift element SE5 in particular a brake, is set up to brake or release the ring gear H3 of the simple planetary gear 6, in particular by the brake connecting the ring gear to a fixed point or, for example, supporting it on the housing (not shown) of the gear 100.
  • the sixth shift element SE5 in particular a brake, is set up to brake or release the ring gear H3 of the simple planetary gear 6, in particular by the brake connecting the ring gear to a fixed point or, for example, supporting it on the housing (not shown) of the gear 100.
  • Shift element SE6 can be coupled to the ring gear Hl of the double planetary gear 5 by means of the third shift element SE3.
  • the sixth shift element SE3, in particular a brake is set up to release or brake the ring gear Hl of the double planetary gear 5, in particular in that the brake connects the ring gear to a fixed point or, for example, supports it on the housing (not shown) of the gear 100.
  • the output shaft 11 is coupled to the planet carrier P3 of the simple planetary gear 6.
  • the transmission is further designed to be coupled or connected to a first drive unit via the input shaft 10 for operation. In the figure 1 it is shown that the shaft of the
  • Drive unit 7 is connected to the input shaft 10.
  • the second drive unit 8 in particular an electrical machine, is used for the operation of the transmission 100 as shown in FIG. 1 via an optional spur gear 15 with the ring gear Hl of the double planetary gear 5 and the third
  • Switching element SE3 coupled or connected.
  • the output shaft 11 is connected, for example, via an output, in particular a spur gear set, for example to a differential, via which the movements are transmitted to the wheels 310.
  • 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 between the control 50 and the individual switching elements SE1... SE6 are only indicated as arrows for reasons of clarity and are not shown in full.
  • the communication between the switching elements SE1 ... SE6 and the device can take place by means of the control lines as well as by means of a BUS system or wirelessly.
  • Figure 2 shows a switching matrix of the transmission. In the columns, the individual switching elements SE1 ...
  • SE6 are indicated and in the last column, for example, an approximate gear ratio resulting between one of the drive units and the output shaft.
  • the different gears, gears or operating modes of the transmission are indicated in the lines.
  • Crosses in the switching matrix show which of the switching elements must be activated so that the corresponding gear or operating mode is set.
  • a cross X means that the switching element is closed and loaded.
  • a cross in brackets (X) means that the switching element is closed and unloaded. The activation of these switching elements is optional. However, this results in the advantage that shifting into another gear is made possible in a simpler and, in particular, traction-free manner.
  • Activation of the switching elements means in particular that a clutch is closed or a brake is actuated so that a force can be transmitted from one shaft to another shaft via the clutch or a force can be applied to a fixed point, in particular the transmission housing, by means of the brake. can be transferred.
  • the shift matrix shows that, depending on the combination of the six shift elements, up to eight gears G1 ... G7, R can be set, with the first gear Gl being the highest
  • R has transmission ratio.
  • R there is preferably a fixed speed ratio i between the first drive unit 7 and the output shaft 11 corresponding to the gear ratio specified in the last column.
  • the output shaft is in gears G1 ... G7, R either by the first drive unit 7 alone or with the second
  • first drive unit 7 is an internal combustion engine and the second drive unit 8 is an electrical machine. These passages also allow one
  • the eCVTl and eCVT2 mode which have independent propulsion power on the output shaft 11 and charging power of the second drive unit 8 allows.
  • this operating mode is suitable for hybrid starting when the battery state of charge is low, since the gear ratios can be continuously changed and thus in particular continuously accelerated at the same time
  • Another mode CH or also called stationary loading, results when the second, third and fourth switching elements SE2, SE3, SE4 are closed and all other switching elements are open or, alternatively, the first and fifth switching elements SEI, SE5 are closed and all others
  • the second 8 can be driven by means of the first drive unit 7, for example used as a generator to charge an electrical energy source 70, in particular a battery.
  • the first 7 can also be driven by means of the second drive unit 8 and, for example, an internal combustion engine start or a diagnosis of the internal combustion engine can be carried out if the first
  • Drive unit 7 is an internal combustion engine and the second drive unit 8 is an electrical 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 are the electromotive gears El, E2 and in the middle the eight
  • the solid arrow symbolizes transitions between two gears without interruption of traction and the dashed arrow symbolizes normal transitions between two gears.
  • gears Gl to R can shift into the next higher gear. Furthermore, from first gear Gl into third gear G3, into fourth gear G4 and into eighth gear R, from second gear G2 into fourth gear G4, from third gear G3 into sixth gear G6 and into eighth gear R, from fourth gear G4 to sixth gear G6 and into seventh gear G7, from fifth gear to seventh gear G7 and from sixth gear to eighth gear R can be changed without interruption of traction.
  • the eighth gear R is a reverse gear.
  • the internal combustion engine can be started in first gear Gl and in second gear G2 from the electromotive first gear El.
  • the internal combustion engine can be started in second gear G2 as a so-called comfort start.
  • eCVT2 can be any combination of first and second eCVT gear eCVTl, eCVT2 can be any combination of first and second eCVT gear eCVTl, eCVT2 can be any combination of first and second eCVT gear eCVTl, eCVT2 can be any combination of first and second eCVT gear eCVTl, eCVT2 can be any combination of first and second eCVT gear eCVTl.
  • 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... SE6 is actuated 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 a power to be transmitted, which is applied to a component of the transmission 100 or is to be transmitted.
  • the operating default signal BV can also have a specific operating mode such as one of the eight gears G1 ... G7, R or the two gears E1 ... E2, which are only operated with the second drive unit, or also represent the special functions eCVT1, eCVT2 or stationary drawer CHI, CH2.
  • a specific operating mode such as one of the eight gears G1 ... G7, R or the two gears E1 ... E2, which are only operated with the second drive unit, or also represent the special functions eCVT1, eCVT2 or stationary drawer CHI, CH2.
  • the switching elements SEI to SE6 are activated in accordance with the switching matrix as a function of this operating specification signal BV in order to switch the transmission 100 into the corresponding gear or operating mode. For one
  • one of the shift elements SE1 ... SE6 maintains its state before and after the shift, with another shift element transitioning from the open to the closed state while another shifts off the closed to the open state.

Landscapes

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

Abstract

L'invention concerne une transmission (100) pour un système de propulsion hybride, laquelle peut être accouplée à deux groupes de propulsion (7, 8) et comprend un arbre d'entrée (10) et un arbre de sortie (11), au moins un premier, un deuxième, un troisième et un quatrième élément d'enclenchement (SE1, SE2, SE3, SE4), une boîte épicycloïdale double (5), en particulier un train planétaire de Ravigneaux, comportant un premier et un second pignon planétaire (S1, S2), un porte-satellites (P) et une couronne (H1), et une boîte épicycloïdale simple (6), l'arbre d'entrée (10) étant accouplé au porte-satellites (P) de la boîte épicycloïdale double (5), le premier pignon planétaire (S1) de la boîte épicycloïdale double pouvant être accouplé au moyen du premier élément d'enclenchement (SE1) à la couronne (H3) de la boîte épicycloïdale simple (6), le second pignon planétaire (S2) de la boîte épicycloïdale double pouvant être accouplé au moyen du deuxième élément d'enclenchement (SE2) au pignon planétaire (S3) de la boîte épicycloïdale simple (6), la couronne (H1) de la boîte épicycloïdale double (5) étant accouplée au troisième élément d'enclenchement (SE4), et ledit troisième élément d'enclenchement (SE3) étant accouplé au quatrième élément d'enclenchement (SE4). et ledit quatrième élément d'enclenchement (SE4) étant accouplé au pignon planétaire (S3) de la boîte épicycloïdale simple (6), de sorte que la couronne (H1) de la boîte épicycloïdale double (5) peut être accouplée au moyen du troisième élément d'enclenchement (SE3) et du quatrième élément d'enclenchement (SE4) au pignon planétaire (S3( de la boîte épicycloïdale simple (6), et l'arbre de sortie (11) étant accouplé au porte-satellites (P3) de la boîte épicycloïdale simple (6).
PCT/EP2020/062391 2019-06-12 2020-05-05 Transmission pour un système de propulsion hybride, système de propulsion hybride, véhicule et procédé pour faire fonctionner ledit système de propulsion hybride WO2020249310A1 (fr)

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DE102019208554.7A DE102019208554A1 (de) 2019-06-12 2019-06-12 Getriebe für eine Hybridantriebsanordnung
DE102019208554.7 2019-06-12

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010009943A1 (fr) 2008-07-24 2010-01-28 Robert Bosch Gmbh Procédé et dispositif pour démarrer un véhicule hybride
US20110015019A1 (en) * 2009-07-15 2011-01-20 Hyundai Motor Company Power train for hybrid vehicle
US20110111909A1 (en) * 2009-11-12 2011-05-12 Hyundai Motor Company Transmission for hybrid vehicle
DE102017207198A1 (de) * 2017-04-28 2018-10-31 Zf Friedrichshafen Ag Getriebe für ein Kraftfahrzeug

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US7329201B2 (en) * 2005-08-03 2008-02-12 Gm Global Technology Operations, Inc. Electrically variable transmission having two or three planetary gear sets with two or three fixed interconnections
US8152668B2 (en) * 2008-05-02 2012-04-10 Chrysler Group Llc Electric variable transmission for hybrid electric vehicles with two forward modes and four fixed gears
KR101113573B1 (ko) * 2009-11-12 2012-02-22 현대자동차주식회사 하이브리드 차량의 변속기
DE102012024174A1 (de) * 2012-12-10 2014-06-12 Volkswagen Aktiengesellschaft Hybridantriebsanordnung für ein Kraftfahrzeug
DE102017218231A1 (de) * 2017-10-12 2019-04-18 Zf Friedrichshafen Ag Automatgetriebe mit integrierter Elektromaschine sowie Verfahren zur Steuerung dieses Automatgetriebes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010009943A1 (fr) 2008-07-24 2010-01-28 Robert Bosch Gmbh Procédé et dispositif pour démarrer un véhicule hybride
US20110015019A1 (en) * 2009-07-15 2011-01-20 Hyundai Motor Company Power train for hybrid vehicle
US20110111909A1 (en) * 2009-11-12 2011-05-12 Hyundai Motor Company Transmission for hybrid vehicle
DE102017207198A1 (de) * 2017-04-28 2018-10-31 Zf Friedrichshafen Ag Getriebe für ein Kraftfahrzeug

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