CN103402804A - Gearbox unit - Google Patents

Gearbox unit Download PDF

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Publication number
CN103402804A
CN103402804A CN2012800098831A CN201280009883A CN103402804A CN 103402804 A CN103402804 A CN 103402804A CN 2012800098831 A CN2012800098831 A CN 2012800098831A CN 201280009883 A CN201280009883 A CN 201280009883A CN 103402804 A CN103402804 A CN 103402804A
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CN
China
Prior art keywords
planetary gearbox
gearbox
component
planetary
motor
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN2012800098831A
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Chinese (zh)
Inventor
M.比奇勒
R.朔伊彻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magna Powertrain GmbH and Co KG
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Magna Powertrain GmbH and Co KG
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Filing date
Publication date
Application filed by Magna Powertrain GmbH and Co KG filed Critical Magna Powertrain GmbH and Co KG
Publication of CN103402804A publication Critical patent/CN103402804A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • 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
    • B60K6/44—Series-parallel type
    • B60K6/445—Differential gearing distribution 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
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
    • F16H3/728—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path with means to change ratio in the mechanical gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—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
    • B60K6/26—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 motors or the generators
    • B60K2006/266—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 motors or the generators with two coaxial motors or generators
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
    • F16H2037/0866—Power split variators with distributing differentials, with the output of the CVT connected or connectable to the output shaft
    • F16H2037/0873—Power split variators with distributing differentials, with the output of the CVT connected or connectable to the output shaft with switching, e.g. to change ranges
    • 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
    • F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three 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
    • F16H2200/2035—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with two 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
    • F16H2200/2097—Transmissions using gears with orbital motion comprising an orbital gear set member permanently connected to the housing, e.g. a sun wheel permanently connected to the housing
    • 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
    • F16H3/46—Gearings having only two central gears, connected by orbital gears
    • F16H3/48—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
    • F16H3/52—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears
    • F16H3/54—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears one of the central gears being internally toothed and the other externally toothed
    • 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

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

Abstract

The invention relates to a gearbox unit for a drive train of a motor vehicle, the drive train comprising at least one internal combustion engine and a first electric motor (and preferably also a second electric motor). The gearbox unit comprises a first planetary gear system, a second switchable planetary gear system, and a clutch for switching the second planetary gear system between a first operating state and a second operating state. The first planetary gear system comprises at least one first member for coupling to the first electric motor, a second member for taking up a drive power from the internal combustion motor, and a third member for outputting drive power. The second planetary gear system comprises at least one first member for coupling to the internal combustion engine, a second member for coupling to the second member of the first planetary gear system, and a third member. In the first operating state, the coupling holds the third member of the second planetary gear system. In the second operating state, the coupling couples the third member of the second planetary gear system in a rotationally fixed manner to the first or second member of the second planetary gear system.

Description

Gearbox unit
Technical field
The present invention relates to a kind of gearbox unit for vehicle transmission system, described transmission system has at least one combustion engine and the first motor (and preferably also having the second motor).
Background technology
Using combustion engine and one or more motor is relatively high efficiency and fuel-saving possibility as the feature of the hybrid powertrain that is used for vehicle of drive source.In addition, with respect to combustion engine, as the drive system of unique drive source, providing additional function, noiseless and without the electric running of discharging for example, reclaim the acceleration rising (electric power-assisted) of the electric braking of (regeneration) or the combination by motor with braking energy.By using additional i.e. the second motor, can realize and better coupling and the improved regeneration of instantaneous power demands, especially when two motor size not simultaneously, during namely for different power designs.
In so-called branched power hybrid powertrain, the driving power of combustion engine is passed on the motor and drive wheel of vehicle pari passu, or from combustion engine and at least one motor, is delivered on the drive wheel of vehicle.For this purpose, the gearbox unit of transmission system comprises the first planetary gearbox that only act as power distribution change-speed box (Summiergetriebe).Planetary gearbox comprises that at least one is used for the first member that connects with one of motor or a plurality of motors, is used for the second component of the driving power of reception combustion engine, and is used for the 3rd member of output driving power., by this type of gearbox unit, can especially realize the infinitely variable conversion between the drive wheel of combustion engine and vehicle.
But because the whole driving range of vehicle covers by same transmission configuration, so under certain motoring condition, the fallback of combustion engine and/or motor (a plurality of motor) may occur.
Summary of the invention
Therefore, therefore technical matters to be solved by this invention is to provide the gearbox unit of described type, and described gearbox unit has been realized the efficient operation of combustion engine and/or motor (a plurality of motor) and realized that drive system sees the efficiency of raising in the whole driving range of vehicle.
This technical matters solves by the gearbox unit of the feature with claim 1.
According to the present invention, gearbox unit comprises switchable the second planetary gearbox and is used for the second planetary gearbox is switched between the first running state and the second running state power-transfer clutch.The second planetary gearbox has at least one and is used for the first member that connects with combustion engine, is used for the second component and the 3rd member that connect with the second component of the first planetary gearbox, wherein under the first running state, power-transfer clutch keeps fixing (preferably with case of transmission, fixing) with the 3rd member of the second planetary gearbox, and, under the second running state, it is connected with first or second component of the second planetary gearbox antitorquely (so-called locking revolution).
Under the first running state, second component can roll on the 3rd member that maintenance is fixed.Therefore, the first member that connects with combustion engine and with second component that the first planetary gearbox connects between formed conversion, especially slow down.Under the second running state, two members of the second planetary gearbox are mutual to be connected antitorquely, and namely the second planetary gearbox is locked, and has the conversion of 1:1.Therefore, the driving power of combustion engine without rotation speed change output on the first planetary gearbox.Realize variation between different conversions by the switching by means of the second planetary gearbox, can realize when keeping stepless Vehicle Driving Cycle for the combustion engine of the whole driving range of vehicle and the efficient operation of motor.This and motor are as motor or irrelevant as generator operation.
Expansion of the present invention provides in dependent claims, description and accompanying drawing.
First, second, and third member of each planetary gearbox preferably drives mutually does the land used connection.But the 3rd member of the first planetary gearbox self forms the output element of gearbox unit or with the output element that separates, drives and connect as land used.When needed, output element can form speedup level or retarding stage additional, for example straight gears tooth form.
The second component of the second component of the first planetary gearbox and the second planetary gearbox is preferably mutual to be connected antitorquely.In particular, the pinion carrier of the pinion carrier of the first planetary gearbox and the second planetary gearbox can be coupled to each other antitorquely, therefore to realize two transmission of torque between planetary gearbox.
The first planetary gearbox can be configured to the 3rd member is slowed down with respect to the rotation of the first member in particular.Therefore, the rotating speed of the output element of the first planetary gearbox reduces with respect to the rotating speed of the first motor, makes and has realized using the little high-speed electric expreess locomotive of volume.
According to form of implementation of the present invention, the first member of the first planetary gearbox has sun wheel, the second component of the first planetary gearbox has with the pinion carrier that can be rotated to support on the satellite gear on it, and the 3rd member of the first planetary gearbox has gear ring, wherein the first member of the pinion carrier of second component and the second planetary gearbox and the engagement of the 3rd member.This constitution realization between the combustion engine of vehicle, the first motor and drive wheel the failure-free branched power or power adds and.
According to form of implementation of the present invention, the first planetary gearbox is five component forms and additionally has for the 4th member that connects with the second motor and formed the 5th member of retarding stage together with the 4th member of planetary gearbox and the 3rd member, and described retarding stage is slowed down the 3rd member with respect to the rotation of the 4th member.This type of constitution realization two motors are incorporated in transmission system, wherein for example the part of the mechanical horsepower of combustion engine is converted to electric power by motor, and this power deducts conversion loss and inputs again transmission system by other motor.
The 4th member of the first planetary gearbox can have sun wheel, and the 5th member of the first planetary gearbox can have with the fixing pinion carrier that can be rotated to support on the satellite gear on it, the 3rd member of described satellite gear and the first planetary gearbox and the engagement of the 4th member.Two motors can be arranged mutually coaxially and with the axle drive shaft of combustion engine coaxially in preferred form of implementation, to realize compact transmission system structure.Preferably, the second motor is greater than the first motor, and namely retarding stage acts on the greater of two motors.
The second planetary gearbox can be configured under the first running state, second component be slowed down with respect to the rotation of the first member for this reason.Therefore, even combustion engine also can move under the slow speed of revolution of the output element of gearbox unit under the favourable operation point aspect efficiency.
The first member of the second planetary gearbox can have sun wheel, the second component of the second planetary gearbox can have with the pinion carrier that can be rotated to support on the satellite gear on it, and the 3rd member of the second planetary gearbox can have gear ring, wherein the first member of the satellite gear of second component and the second planetary gearbox and second component engagement.Switching can or fixedly be carried out without the connection of the independent member by the second planetary gearbox interruptedly.
Description of drawings
The present invention for example is described with reference to the drawings hereinafter.
Fig. 1 shows the simplicity of illustration that has according to the vehicle transmission system of gearbox unit of the present invention.
The specific embodiment
The transmission system of vehicle comprises combustion engine 11, the first motor 13, the second motors 15 and axle difies 17.The first motor 13 and the second motor 15 arrange mutually coaxially and with the output shaft 12 of combustion engine 11 coaxially, and selectively as motor or generator operation.As seen from Figure 1, the second motor 15 is greater than the first motor 13.By gearbox unit 19, combustion engine 11, the first motor 13 and the second motor 15 are interconnected.The flower wheel 20 of gearbox unit 19 for example drives and makes land used and connect with axletree diff 17 by straight gears tooth (or the traction drive of other types or band drive), with so combustion engine 11 and/or two motors 13,15 driving power can be delivered on the wheel 18 of vehicle.Gearbox unit 19 comprises the first planetary gearbox 21 that act as the power distribution change-speed box and the second planetary gearbox 23 that act as switchable deceleration change-speed box level.
The first planetary gearbox 21 are five component forms and have the first sun wheel 25, with the first pinion carrier 27 that can be rotated to support on the satellite gear 29 on it, the first gear ring 30, the second sun wheel 31, with the second pinion carrier 33 that can be rotated to support on the satellite gear 35 on it and the second gear ring 37.The satellite gear 29 of the first planetary gearbox 27 and the first sun wheel 25 and with gear ring 30 engagement, and the satellite gear 35 of the second planetary gearbox 33 and the second sun wheel 31 and with the second gear ring 37, mesh.The first gear ring 30 and the second gear ring 37 can especially form the single-piece part that has the outer gear teeth and therefore form flower wheel 20.The first sun wheel 25 connects with the first motor 13 antitorquely, and the second sun wheel 31 connects with the second motor 15 antitorquely.The second pinion carrier 33 is fixed on the fixing element of housing.The first pinion carrier 27 forms the input element of the first planetary gearbox 21, and receives the Mechanical Driven power of combustion engine 11.
Switchable the second planetary gearbox 23 is by driving switching between combustion engine 11 and the first planetary gearbox 21, wherein the second planetary gearbox 23 is three component forms, and comprise sun wheel 43, with the pinion carrier 45 that can be rotated to support on the satellite gear 47 on it and gear ring 49.Sun wheel 43 by element 50, the second planetary gearboxs 23 for Tortional damper can drive and connect as land used with the output shaft 12 of combustion engine 11.In addition, the pinion carrier 45 of the second planetary gearbox 23 is connected with the first pinion carrier 27 of the first planetary gearbox 21 antitorquely.
Gear ring 49 by switch clutch 55, the second planetary gearboxs 23 selectively is connected with the pinion carrier 45 of the second planetary gearbox 23 or with the fixing element of housing., according to the switching state of switch clutch 55, regulate the first running state or second running state of the second planetary gearbox 23, as indicated by arrow in Fig. 1.Under the first running state that the gear ring 49 of the second planetary gearbox 23 is fixed, the satellite gear 47 of the second planetary gearbox 23 rolls on fixing gear ring 49, and therefore drive the pinion carrier 45 of the second planetary gearbox 23, and the rotating speed that also with the output shaft 12 with respect to combustion engine 11, reduces drives the first pinion carrier 27 of the first planetary gearbox 21 together with this pinion carrier 45.Gear ring 49 at the second planetary gearbox 23 that connect with the pinion carrier 45 of the second planetary gearbox 23 antitorquely, under the second running state of gearbox unit 19, the second planetary gearbox 23 turns round as block, and with transmitting ratio 1, the driving power of combustion engine 11 is delivered on the first planetary gearbox 21.
Graphic control setup is responsible for, according to the motoring condition parameter, the second planetary gearbox 23 selectively is placed in the first running state or the second running state in Fig. 1.Control setup preferably switches in this wise, makes combustion engine 11, the first motor 13 and the second motor 15 can move in favourable operating range aspect (motor or electrical generator) efficiency respectively., by the level of travelling that provides two of gearbox unit 19 that separate, has different drive ratios, realized the efficient operation in the whole service scope of vehicle.With this, and with the hybrid powertrain structure of unique level of travelling only, compare, especially realized the saving of fuel of combustion engine 11., at this, provide a kind of possibility, stepless operation of travelling with regeneration and electric power-assisted by two motors 13,15 in each level of travelling of two levels of travelling in a conventional manner.
Reference list
11 combustion engines
12 output shafts
13 first motors
15 second motors
17 axletree difies
18 wheels
19 gearbox units
20 flower wheels
21 first planetary gearboxs
23 second planetary gearboxs
25 first sun wheels
27 first pinion carriers
29 satellite gears
30 first gear rings
31 second sun wheels
33 second pinion carriers
35 satellite gears
37 second gear rings
43 sun wheels
45 pinion carriers
47 satellite gears
49 gear rings
50 torsional balancers
55 switch clutchs

Claims (7)

1. gearbox unit (19) that is used for vehicle transmission system, described transmission system has at least one combustion engine (11) and the first motor (13), and wherein, described gearbox unit (19) comprising:
The first planetary gearbox (21), described the first planetary gearbox have at least one for the first member (25) that connects with the first motor (13), for the second component (27) of the driving power that receives combustion engine (11) with for the 3rd member (30) of exporting driving power;
Switchable the second planetary gearbox (23), described the second planetary gearbox have at least one and are used for the first member (43) that connects with described combustion engine (11), are used for the second component (45) and the 3rd member (49) that connect with the second component (27) of described the first planetary gearbox (21); With
Be used for described the second planetary gearbox (23) is switched between the first running state and the second running state power-transfer clutch (55), wherein, described power-transfer clutch (55) keeps fixing with the 3rd member (49) of described the second planetary gearbox (23) under described the first running state, and under described the second running state, it is connected with the first member (43) or the described second component (45) of described the second planetary gearbox (23) antitorquely.
2. gearbox unit according to claim 1, wherein said the first planetary gearbox (21) are configured to described the 3rd member (30) is slowed down with respect to the rotation of described the first member (25).
3. gearbox unit according to claim 1 and 2, first member (25) of wherein said the first planetary gearbox (21) has sun wheel, the second component (27) of described the first planetary gearbox (21) has with the pinion carrier that can be rotated to support on the satellite gear (29) on it, and the 3rd member (30) of described the first planetary gearbox (21) has gear ring, wherein, the pinion carrier (29) of described second component (27) meshes with the first member (25) and the 3rd member (30) of described the second planetary gearbox (23).
4. according at least one described gearbox unit in aforementioned claim, wherein said the first planetary gearbox (21) is five component forms and additionally has for the 4th member (31) that connects with the second motor (15) and form the 5th member (33) of retarding stage together with the 4th member (31) of described the first planetary gearbox (21) and the 3rd member (30), and described retarding stage is with the rotation deceleration of described the 3rd member (30) with respect to the 4th member (31).
5. gearbox unit according to claim 4, wherein, the 4th member (31) of described the first planetary gearbox (21) has sun wheel, and the 5th member (33) of described the first planetary gearbox (21) has with the fixing pinion carrier that is rotatably supported in the satellite gear (35) on it, and described satellite gear (35) meshes with the 3rd member (30) and the 4th member (31) of described the first planetary gearbox (21).
6. according at least one described gearbox unit in aforementioned claim, wherein said the second planetary gearbox (23) is configured under described the first running state, described second component (45) be slowed down with respect to the rotation of described the first member (43).
7. according at least one described gearbox unit in aforementioned claim, first member (43) of wherein said the second planetary gearbox (23) has sun wheel, the second component (45) of described the second planetary gearbox (23) has with the pinion carrier that is rotatably supported in the satellite gear (47) on it, and the 3rd member (49) of described the second planetary gearbox (23) has gear ring, the satellite gear (47) of wherein said second component (45) and first member (43) of described the second planetary gearbox (23) and the 3rd member (49) engagement.
CN2012800098831A 2011-02-21 2012-02-15 Gearbox unit Pending CN103402804A (en)

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US201161444822P 2011-02-21 2011-02-21
US61/444,822 2011-02-21
DE102011016727.7 2011-04-11
DE102011016727A DE102011016727A1 (en) 2011-04-11 2011-04-11 gear unit
PCT/EP2012/052560 WO2012113687A1 (en) 2011-02-21 2012-02-15 Gearbox unit

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WO (1) WO2012113687A1 (en)

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