CN107791819A - Multistage hybrid powertrain for motor vehicle - Google Patents
Multistage hybrid powertrain for motor vehicle Download PDFInfo
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- CN107791819A CN107791819A CN201710722718.5A CN201710722718A CN107791819A CN 107791819 A CN107791819 A CN 107791819A CN 201710722718 A CN201710722718 A CN 201710722718A CN 107791819 A CN107791819 A CN 107791819A
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- China
- Prior art keywords
- clutch
- level
- rotor
- output shaft
- sun gear
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Classifications
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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
- B60K6/42—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
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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
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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
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
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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
- B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
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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
- B60K6/42—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
- B60K2006/4825—Electric machine connected or connectable to gearbox input shaft
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- 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
Abstract
The present invention relates to a kind of multistage hybrid powertrain for motor vehicle, has input stage, in addition to：The level input shaft that can be coupled with internal combustion engine,With the level output shaft of level coupling below,Motor,With the fixed stator in basis and the rotor radially rotationally disposed in stator interior,And planetary gearsets,With sun gear,Gear ring and planet carrier,Multiple planetary gears have been rotatably supported in planet carrier,Its one side engages with sun gear,On the other hand engaged with gear ring,Sun gear couples with rotor,The gear ring couples with the level input shaft and the planet carrier couples with the level output shaft,It is a feature of the present invention that,The rotor is set axially adjacent to be arranged with the first clutch that the sun gear couples and the planetary gearsets,Rotor is set axially adjacent to be arranged with the second clutch that the level output shaft couples and the first clutch,And planetary gearsets and clutch both diametrically or are in the axial direction arranged in rotor.
Description
Technical field
The present invention relates to a kind of multistage hybrid powertrain for motor vehicle, has input stage, in addition to：
- level the input shaft that can be coupled with internal combustion engine,
- level the output shaft with level coupling below,
- motor, there is the fixed stator in basis and the rotor radially rotationally disposed in stator interior, and
- planetary gearsets, there is sun gear, gear ring and planet carrier, multiple planets have been rotatably supported in planet carrier
On the one hand gear, these planetary gears are engaged with sun gear and on the other hand engaged with gear ring,
Wherein, the sun gear and rotor coupling, the gear ring and level input shaft coupling and the planet
Frame couples with the level output shaft.
Background technology
This hybrid powertrain is as known to the A1 of EP 1 640 202.
In the design of the modern hybrid powertrain for motor vehicle, people are directed to providing enough gears
And transmission mode, so as to by high energy efficiency as far as possible and meet all conceivable traveling feelings in a manner of making user comfortable
Condition.Therefore generally, this power train layout has multiple levels, wherein, different levels has different functions.It is but all
Scheme will design according to the hope of structure space demand as small as possible, and this is due to generally greater number of gearshift part, such as
Brake and clutch, actuated element, such as planetary gearsets and driving equipment, as motor is often difficult to realize.
A kind of hybrid powertrain is above documents disclosed, the input stage of the hybrid powertrain includes planetary gear
Group and motor.In input side, input stage can be connected by its grade of input shaft with internal combustion engine, particularly by bent axle.In outlet side,
Input stage is connected by its grade of output shaft with gear stage below, and the specific structure of gear stage below does not relate in the present invention
And.In known input stage, planetary gearsets and motor are axially disposed adjacently to one another, wherein, the planet in input stage
Gear train is arranged in input side and motor in outlet side.The shortcomings that this arrangement, is, rational, axial make use of
The motor of relative low power can be only used in the case of structure space.More superpower electricity with greater number winding
Machine correspondingly requires bigger structure space.It is integrated in when in view of control element, especially clutch in input stage, for realizing
During different operational mode, then above mentioned problem becomes more serious.
The content of the invention
The technical problems to be solved by the invention are that the hybrid power transmission of aforementioned type is so improved for input stage
System, so as to increase the quantity of workable operational mode and electrical power can be increased, without causing excessive, axial direction
Structure space growth.
The technical problem solves according to the present invention by a kind of multistage hybrid powertrain for motor vehicle, its
With input stage, and also include：
- level the input shaft that can be coupled with internal combustion engine,
- level the output shaft with level coupling below,
- motor, there is the fixed stator in basis and the rotor radially rotationally disposed in stator interior, and
- planetary gearsets, there is sun gear, gear ring and planet carrier, multiple planets have been rotatably supported in planet carrier
On the one hand gear, these planetary gears are engaged with sun gear and on the other hand engaged with gear ring,
Wherein, the sun gear and rotor coupling, the gear ring and level input shaft coupling and the planet
Frame couples with the level output shaft.Provide herein, make the rotor and the first clutch that the sun gear couples and the row
Star gear train is axially adjacent arranged, makes the rotor and the second clutch that the level output shaft couples and first clutch
Device is axially adjacent arranged, and the planetary gearsets and clutch both diametrically or are in the axial direction arranged in rotor.
In order to improve the quantity of achievable operational mode, two clutches are first provided with.First clutch by rotor with
Sun gear couples, and second clutch couples rotor and level output shaft.Thus, independently make with gear stage below achievable
Gear is double and realizes the selection possibility between parallel hybrid, stepless and electric operational mode.If
Two clutches are closed, power train works in parallel hybrid pattern.In this mode, sun gear and planetary gearsets
Planet carrier is torsionally connected with each other so that whole planetary gearsets are as part with the rotation speed operation of internal combustion engine.This is also applied for
The rotor of motor, parallel hybrid principle can with motorjbrm or generator known in this way for the motor
Run to form.If only first clutch closure and second clutch opening, system work under stepless operational mode
Make.The torque of internal combustion engine is imported into planetary gearsets by gear ring and is exported by planet carrier, wherein, motor passes through the sun
Wheel provides variable torque and supports and therefore provide infinitely variable gearratio change.If first clutch is beaten on the contrary
Open and second clutch closes, then system can work under pure electrical operation.The torque of motor is directly provided to level
Output shaft.Rotation in company with the planet carrier rotated is harmless herein, because the first clutch sun gear due to opening
It is free-running operation.
In order to realize corresponding electrical power, it is necessary to which motor has relatively long size.According to the present invention, the machine of input stage
Tool part, namely planetary gearsets and two clutches are radially placed in the inside of rotor, wherein, the axial length of rotor
Enough spaces are provided, so that mechanical part mutually axially is adjacently positioned in a manner of being advantageous to above-mentioned axis connection.
By this way, improve electrical power when realize a greater variety of operational modes, without causing axial knot
The increase of conformational space.
Also for as small as possible keep radial direction structure space, advantageously provide for, the motor, planetary gearsets and from
Clutch is arranged coaxially with each other.
As described above, the mechanical part of input stage is mutually arranged as favorably as possible in terms of its axis connection.There is provided
This arrangement advantageously provides for, and the planetary gearsets are arranged in a grade input side, and it is defeated that the second clutch is arranged in level
Go out side, and the first clutch is axially arranged between the planetary gearsets and second clutch.
Particularly advantageously, the clutch designs are friction disk clutch, and it has supports inner attrition piece group respectively
The outside friction disc support of inner attrition piece support and supporting outside friction disc group, wherein, outside friction disc and inner attrition piece are alternately mutual
Nestedly arrange, and these friction plates are axially movably arranged on its corresponding friction disc support.This be friction plate from
The common make of clutch.Friction disk clutch is favourable in terms of the feasibility of its towing operation so that is being adapted to
Clutch control when, it is possible to achieve do not switch between operating modes interrupt load power.
In terms of the malformation according to technical scheme, technical staff can utilize a variety of feasibilities.But especially
Advantageously, the inner attrition piece support of the first clutch is fixed on the axle that carry the sun gear, and described
The outside friction disc support of one clutch is fixed on the rotor.The axle of sun gear, hereinafter also referred to sun wheel shaft are supported from row
Direction extension of the star gear train along first clutch, and the fixed space for its inner attrition piece support is provided.According to this hair
Bright, rotor radial is directly adjacent to one another around all mechanical parts of input stage so that the outside friction disc support of first clutch
Can easily it be fixed on the rotor.
In contrast preferably, the inner attrition piece support of the second clutch is directly anchored to the level output shaft
On, and the outside friction disc support of the second clutch is fixed on the rotor.Level output shaft preferably comprises the axis of centres, should
The axis of centres also passes through rotor from center certainly from center through planetary gearsets and clutch and thus, and is worn in level input side
Cross planetary gearsets stretching.Although the elongated design of this level output shaft need not in above-mentioned connection scheme.It is but this
The axis of centres can be utilized for supporting machinery part.
Thus preferably providing, the inner attrition piece support of the first clutch axially protrudes from sun wheel shaft, and first
The inner attrition piece support of clutch is fixed in sun wheel shaft, and relative by the first deep groove ball bearing in prominent section
E axle supporting is exported in level.It is due to its applicability to preferably select deep groove ball bearing, except the radial load mainly supported, is also subjected to one
Fixed axial force, the axial force in the favourable sun gear helical teeth of acoustic connection due to acting on sun wheel shaft and inner attrition piece branch
On frame.
Advantageously provided for the similar background being contemplated that, the planet carrier has axially extending base, the planet carrier
By being fixed on the inside of base on the level output shaft, and the sun gear by the second deep groove ball bearing relative to base
Outside supporting.Here, deep groove ball bearing is also used for bearing axial force.
The above-mentioned of level output shaft can be used for so that level input shaft in the projection of level input side beyond the extension of planetary gearsets
Relative to level output shaft radial support.Purely radial supporting on the position is enough, so as to use saving radial junction
The needle bearing of conformational space.
Preferably provide in the axial direction, planet carrier relative to level input shaft the end flange axial direction twelve Earthly Branches that carry gear ring
Hold.End flange additionally also can be supported axially on its side opposite with planetary gearsets relative to housing.
In the improvement project of the present invention, clutch is preferably respectively provided with centrifugal oil shield.Centrifugal oil shield includes filling out
Oil-filled space, the wallboard that the space is connected by axial restraint in side with the operation piston of clutch limit, and
Substantially no pressure when power train is shut down.When power train is run, pass through the centrifugal force acted on the oil in centrifugal oil shield
Apply oil pressure and thus apply axial force on wallboard.This reacts on the behaviour of the real hydraulic pressure acted on operation piston
Make power, and thus balance the component of its power formed by centrifugal force in hydraulic system.It is undesirable to clutch
Because thus the operation of centrifugal force is also excluded in the following cases, i.e., returning spring is configured to weaker situation, or complete
In the case of abandoning returning spring entirely, above-mentioned two situations are favourable and thus in the present invention in terms of structure space is saved
Advantageous embodiment in set.
Brief description of the drawings
The other technical characteristic and advantage of the present invention is obtained by following specific explanation and accompanying drawing.In the accompanying drawings：
Fig. 1 shows the topological schematic diagram of the power train according to the present invention,
Fig. 2 shows structure chart of the embodiment of Fig. 1 power train in main cutting,
Fig. 3 shows zoomed-in view of the input stage of Fig. 2 power train in main cutting, and
Fig. 4 shows the sectional view obtained by Fig. 3 input stage along cutting line IV-IV.
Identical reference in the accompanying drawings represents same or similar element.
Embodiment
Fig. 1 shows the topological schematic diagram of the embodiment of the power train 10 according to the present invention.Power train 10 includes input stage
100 and secondary 200.
Input stage 100 be included in the level input shaft 102 of input side, the level output shaft 104 in outlet side, motor 110 and
Planetary gearsets 120, the motor there is the stator 111 fixed with housing and rotatably support relative to stator, be located at
Internal rotor 112, the planetary gearsets are designed as simple planetary gearsets in the embodiment shown, and it has too
Sun takes turns 121, gear ring 122 and planet carrier 123, and one group of planetary gear 124, and planet tooth are rotatably supported in planet carrier
On the one hand wheel is meshed with sun gear 121 and is on the other hand meshed with gear ring 122.
Level input shaft 102 is fixedly connected with gear ring 122.Level output shaft 104 is fixedly connected with planet carrier 123.Motor 110
Rotor 112 is coupled by the first input stage clutch 131 with sun gear 121.In addition, rotor passes through the second input stage clutch
132 couple with level output shaft 104.Clutch 131,132 each other axially adjacent arrangement and jointly with the axle of planetary gearsets 120
To being disposed adjacent to.Planetary gearsets 120 arrangement and second input stage clutch in input stage 100 especially in input side
132 arrange in outlet side in input stage 100.First input stage clutch 131 is defeated in planetary gearsets 120 and second vertically
Enter and arrange between grade clutch 132.
Planetary gearsets 120 and two clutches 131,132 are both fully disposed in rotor in the axial direction or diametrically
112 inside, shown in the square frame as shown in Fig. 1 by a dotted line.
Secondary 200 is included in the level input shaft 202 of input side and the level output shaft 204 in outlet side.In addition, secondary 200
Planetary gearsets 220 including being designed as La Weiniao type planetary gears, it has the first sun gear 221a, second sun
Take turns 221b, gear ring 222 and planet carrier 223.Two groups of planetary gears rotatably support in planet carrier 223.First group long type row
Star gear 224a engages in side with the first sun gear 221a, and is engaged in opposite side with gear ring 222.Second group of short planet
Gear is engaged with the second sun gear 221b in side and engaged in opposite side with elongated planetary gear 224a.
The level input shaft 202 of secondary 200 is coupled by the first secondary clutch 231 and the first sun gear 221a.In addition, level
Input shaft 202 is coupled by second subprime clutch 232 and gear ring 222.Gear ring 222 can be consolidated by the first brake 241 in addition
It is scheduled on housing.Level output shaft 204 is fixedly connected with planet carrier 223.Second sun gear 221b can be consolidated by second brake 242
It is scheduled on housing.
Under final confined state in motor vehicle, the level input shaft 102 of input stage 100 generally by double mass flywheel with
The bent axle of internal combustion engine is connected.The level output shaft 104 of input stage 100 is connected with the level input shaft 202 of secondary 200.Secondary level is defeated
Shaft 204 is connected with other transmission parts, especially differential mechanism.
By the power train of the topological structure shown in Fig. 1, realize eight can load type switching hybrid power gear (its
Include the species and four stepless species of four parallel hybrids) and four can load type switching pure electronic shelves
Position.Therefore, secondary 200 provides four different gearshift situations of its control element, i.e.,
The first secondary clutch 231 of-closure, closure the first brake 241 and in addition secondary control element is all beaten
Open.In the gearshift situation, the first secondary clutch 231 of closure and first sun are passed through by the torque that input stage 100 imports
Wheel 221a is imported into La Weiniao types planetary gears 220, and the La Weiniao type planetary gears is due to passing through first
The gear ring 222 that brake 241 is fixed acts on as simple gear stage.The torque of conduction is exported by the directed stage of planet carrier 223
Axle 204 is simultaneously oriented to other transmission mechanism by level output shaft.
The first secondary clutch 231 of-closure, closure second brake and in addition secondary control element is all opened.
In the gearshift situation, the He of first secondary clutch 231 is passed through by the torque that secondary input shaft 202 imports by input stage 100
First sun gear 221a is imported into La Weiniao types planetary gears 220.The La Weiniao types planetary gears due to
The the second sun gear 221b fixed by second brake 242 is used as pure gear stage effect, but with another compared with afore-mentioned
Outer gearratio effect.The torque of conduction is oriented to secondary output shaft 204 by planet carrier 232 and is oriented to by secondary output shaft another
Outer transmission mechanism.
- closure second subprime clutch 232, closure second brake 242 and in addition secondary control element is all beaten
Open.In the gearshift situation, the torque imported by input stage 100 by secondary input shaft 202 passes through second subprime clutch 232
It is imported into gear ring 222 in La Weiniao types planetary gears 220.By being fixed by second brake 242 on housing
The second sun gear 221b realize torque support.The torque of conduction is oriented to secondary output shaft 204 and by secondary by planet carrier 232
Level output shaft is oriented to other transmission mechanism.
- close the first secondary clutch 231 and second subprime clutch 232 and open brake 241,242.Changed at this
In gear situation, locking La Weiniao types planetary gears 220 and with the rotation speed operation of secondary input shaft 202.Thus, it is secondary
Output shaft 204 is also rotated with input speed in the direct gear.
Two different gearratios are realized with three gearshift situations and realize that total of three is different by input stage 100
Operational mode, these three operational modes can combine four gears of foregoing secondary 200 respectively.Herein：
- close the first input stage clutch 131 and close input stage clutch 132.In the case of this gearshift, planet
The sun gear 121 and planet carrier 123 of gear train 120 are interfixed so that planetary gearsets 120 are inputted as part with input stage
The rotation speed operation of axle 102.The additional torque (forward or backwards) of motor can be led in a manner of known parallel hybrid
The the second input stage clutch 132 for crossing closure is delivered to input stage output shaft 104.With four gears realized in secondary 200
The gear of four parallel hybrids is together obtained, wherein, both can also UTILIZATION OF VESIDUAL HEAT IN with boosting.
- the first input stage clutch 131 of closure and the second input stage clutch 132 of opening.In the case of this gearshift,
The torque of the internal combustion engine imported by input stage input shaft imports planetary gearsets 120 by gear ring 122 and passes through planet carrier
123 export to input stage output shaft 104, wherein, by being connected due to the first input stage clutch 131 of closure with rotor 112
Sun gear 121 realize variable torque supporting.It is achieved in the stepless transmission range in input stage 100.With four secondary
Achievable gear together forms four stepless transmission ranges in level 200.
- the second input stage clutch 132 of closure and the first input shaft clutch 131 of opening.In the case of this gearshift,
Planetary gearsets 120 are because the sun gear 121 freely rotated is without land used connection is made, so that the only rotor 112 as caused by electricity
Torque is oriented to input stage output shaft 104 by the second input stage clutch 132 of closure.It is can be achieved with four in secondary 200
Gear together form four pure electronic gears.
Thus the gear of eight hybrid powers is provided altogether, wherein the gear of four traditional parallel hybrids and four
Stepless and four pure electronic gears.It is being especially friction disk clutch or friction disc brake device control element selection
When, all gears can load type switching.Can electrically or mixedly with " geared neutral ", namely pass through clutch
Auxiliary realizes traveling.UTILIZATION OF VESIDUAL HEAT IN can be realized under any circumstance in the gear of four parallel mixings.All parallel
Boosting can be realized in the gear of hybrid power.Similarly, in closure input stage clutch 131,132 and opening secondary clutch
231st, 232 when can be realized in vehicle parking motor 110 generator operation, namely electric storage means charging.
Fig. 2 shows the main Section View of the embodiment of the specific structure of power train 10, and the power train has institute in Fig. 1
The topological structure shown.Fig. 2 is essentially available for confirming each structural elements by the description of the functional component with reference to shown in Fig. 1.
Fig. 3 shows putting for particularly advantageous design of the input stage 100 of Fig. 2 power train 10 in terms of structure space
Big detailed view.It is obvious it can be seen that, all mechanical parts of input stage 100, namely planetary gearsets 120 and input stage from
Clutch 131,132, the inside of rotor 120 is placed in the axial direction and diametrically completely, wherein, the part described in three is mutual
Between occupy particularly advantageous, coaxial axially adjacent arrangement in terms of axis connection.
Clutch 131,132 be designed as friction disk clutch and respectively have inner attrition piece support 1311 and 1321 and
Outside friction disc support 1312 and 1322.Axially movably carry in one group respectively on interior friction disc support 1311,1321
Friction plate 1313,1323.One group of outside friction disc is axially movably carry respectively on outer friction disc support 1312,1322
1314、1324.Inner attrition piece 1313,1323 and outside friction disc 1314,1324 are alternately nestedly arranged, for ensureing to rub inside
Torque that is variable, being frictionally engaged between pad support 1311,1321 and outside friction disc support 1312,1322 connects.
In the illustrated embodiment, outside friction disc support 1312,1322 mutually integrally designs and is fixed on rotor
On 112.The inner attrition piece support 1321 of second input stage clutch 132 integrally designs with level output shaft 104.First input
Level clutch 131 inner attrition piece support 1311 be designed as single component and torsionally, particularly by gear shaping and sun gear
Axle 1211 is fixed, and the sun wheel shaft carries sun gear 121 and stretched out on the output side from planetary gearsets 120.It is in addition, interior
Friction disc support 1311 is in the section of axially projecting sun wheel shaft 1211 by the first deep groove ball bearing 141 relative to input stage
Output shaft 104 supports.
Planet carrier 123 has base 1231, its be torsionally fixed on particularly by gear shaping on input stage output shaft 104 and
It is stacked in the axial direction with sun gear 124.The second deep groove ball bearing 142 is disposed with the region being stacked, passes through the second deep-groove ball
Bearing sun gear 123 supports relative to planet carrier base 1231 and thus relative to input stage output shaft 104.
Planet carrier 123 also has axially supporting, i.e., relative to the end flange 1021 of input stage input shaft 102.Axially branch
Hold and realized by the first cod 151.End flange 1031 is relative by the second cod 152 on opposite side
In fixed parts carry on housing.
Obvious in figure 3 to can be seen, level output shaft 104 passes through planetary gearsets 120 and clutch as the axis of centres in center
Device 131,132.Level output shaft 104 also extends beyond planetary gearsets 120 in input side.This realize level input shaft 102 relative to
Level output shaft 104 is by the radial support of journal bearing 143, because axial force need not be born, journal bearing is not designed to
Deep groove ball bearing, but can be designed as saving the needle bearing in radial structure space or other bearings.
In order to balance the operating physical force as caused by centrifugal force, clutch 131,132 is respectively equipped with centrifugal oil shield 160.
Fig. 4 shows the profile of the gained of input stage 100 according to Fig. 3 cutting line IV-IV cut away views 3.Can, it is evident that
Planetary gearsets 120 are integrated in rotor 112, wherein, use nine planetary gears 124 to optimize load distribution.
Form of implementation that is being discussed in certain illustrated and showing in the accompanying drawings obviously only shows that the present invention is exemplary
Embodiment.Those skilled in the art can grasp the deformation program of wider range under the guidance of present disclosure.
Reference numerals list
10 power trains
100 input stages
102 100 level input shaft
1021 102 end flange
104 100 level output shaft
110 motors
111 stators
112 rotors
120 planetary gearsets
121 sun gears
1211 sun wheel shafts
122 gear rings
123 planet carriers
1231 planet carrier bases
124 planetary gears
131 first input stage clutches
1311 131 inner attrition piece support
1312 131 outside friction disc support
1313 131 inner attrition piece
1314 131 outside friction disc
132 second input stage clutches
1321 132 inner attrition piece support
1322 132 outside friction disc support
1332 132 inner attrition piece
1324 132 outside friction disc
141 first deep groove ball bearings
142 second deep groove ball bearings
143 journal bearings
151 first cods
152 second cods
160 centrifugal oil shields
200 levels
202 200 level input shaft
204 200 level output shaft
220 La Weiniao type planetary gears
The sun gears of 221a first
The sun gears of 221b second
222 gear rings
223 planet carriers
224a elongated planetary gears
224b short planetary gears
231 first secondary clutch
232 second subprime clutches
241 first brakes
242 second brakes
Claims (10)
1. a kind of multistage hybrid powertrain (10) for motor vehicle, there is input stage (100), in addition to：
- level the input shaft (102) that can be coupled with internal combustion engine,
- level the output shaft (104) with level (200) coupling below,
- motor (110), there is the fixed stator (111) in basis and the rotor radially rotationally disposed inside stator (111)
(112), and
- planetary gearsets (120), there is sun gear (121), gear ring (122) and planet carrier (123), can in planet carrier (123)
Multiple planetary gears (124) are rotationally supported with, these planetary gears (124) on the one hand engage and another with sun gear (121)
On the one hand engaged with gear ring (122),
Wherein, the sun gear (121) and the rotor (112) coupling, the gear ring (122) and the level input shaft (102)
Couple and the planet carrier (123) couple with the level output shaft (104),
Characterized in that, make the rotor (112) and the first clutch (131) that the sun gear (121) couples and the row
Star gear train (120) is axially adjacent arranged, makes the rotor (112) and the second clutch of the level output shaft (104) coupling
Device (132) is axially adjacent arranged with the first clutch (131), and the planetary gearsets (120) and clutch
(131,132) both diametrically or be in the axial direction arranged in rotor (112).
2. according to the power train described in claim 1, it is characterised in that the motor (110), planetary gearsets (120) and from
Clutch (131,132) is arranged coaxially with each other.
3. according to the power train described in one of preceding claims, it is characterised in that the planetary gearsets (120) are arranged in level
Input side, the second clutch (132) is arranged in a grade outlet side, and the first clutch (131) is axially arranged at
Between the planetary gearsets (120) and second clutch (132).
4. according to the power train described in one of preceding claims, it is characterised in that the clutch (131,132) is designed as rubbing
Pad clutch, it has supports inner attrition piece group (1313 respectively；1323) inner attrition piece support (1311；1321) and support
Outside friction disc group (1314；1324) outside friction disc support (1312；1322), wherein, outside friction disc (1314；1324) rubbed with interior
Pad (1313；1323) arrange alternately mutually nestedly, and these friction plates (1313；1314；1323；1324) axially can
Movably it is arranged in its corresponding friction disc support (1311；1312；1321；1322) on.
5. according to the power train described in claim 4, it is characterised in that the inner attrition piece support of the second clutch (132)
(1321) it is fixed on the level output shaft (102), and the outside friction disc support (1322) of the second clutch (132) is solid
It is scheduled on the rotor (112).
6. according to the power train described in claim 4, it is characterised in that the inner attrition piece support of the first clutch (131)
(1311) it is fixed on the axle (1211) that carry the sun gear (121), and the external friction of the first clutch (131)
Plate rack (1312) is fixed on the rotor (112).
7. according to the power train described in claim 6, it is characterised in that the inner attrition piece support of the first clutch (131)
(1311) it is axially prominent from the axle (1211) that carry the sun gear (121), and by the in the section of its protrusion
One deep groove ball bearing (141) exports e axle supporting relative to level.
8. according to the power train described in one of preceding claims, it is characterised in that the planet carrier (123) has axially extending
Base (1231), be fixed on by the inner side of the base planet carrier on the level output shaft (104), and the sun gear
(121) supported by the second deep groove ball bearing (142) relative to the outside of base.
9. according to the power train described in one of preceding claims, it is characterised in that the level output shaft (104) passes through in center
The planetary gearsets (120) and clutch (131,132) and exceed the planetary gearsets in the projection of level input side
(120)。
10. according to the power train described in claim 9, it is characterised in that the level input shaft (102) exports relative to the level
Axle (104) radial support.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016216313.2A DE102016216313A1 (en) | 2016-08-30 | 2016-08-30 | Multi-stage hybrid powertrain for a motor vehicle |
| DE102016216313.2 | 2016-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107791819A true CN107791819A (en) | 2018-03-13 |
| CN107791819B CN107791819B (en) | 2020-06-26 |
Family
ID=61166476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710722718.5A Active CN107791819B (en) | 2016-08-30 | 2017-08-22 | Multi-stage hybrid drive train for a motor vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107791819B (en) |
| DE (1) | DE102016216313A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018211505A1 (en) | 2018-07-11 | 2020-01-16 | Audi Ag | Multi-plate clutch and drive device for a motor vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1640202A4 (en) * | 2003-06-30 | 2006-07-12 | Toyota Motor Co Ltd | Hybrid drive device and automobile mounted with device |
| DE102010047638A1 (en) * | 2009-10-09 | 2011-05-19 | GM Global Technology Operations, Inc., Detroit | Hybrid powertrain with three modes and two motor / generators |
| JP2017078509A (en) * | 2015-10-20 | 2017-04-27 | 株式会社エクセディ | Vehicular drive device and vehicle |
| US20170136868A1 (en) * | 2015-11-18 | 2017-05-18 | Hyundai Motor Company | Powertrain for vehicle |
| CN107031377A (en) * | 2015-10-05 | 2017-08-11 | 丰田自动车株式会社 | The drive device of motor vehicle driven by mixed power |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5482512A (en) * | 1994-04-12 | 1996-01-09 | General Motors Corporation | Electro-mechanical hybrid powertrain with self-engaging brakes for starting the engine |
| DE10018926A1 (en) * | 1999-04-26 | 2000-11-02 | Luk Lamellen & Kupplungsbau | Drive train, especially for motor vehicle, has at least one gearbox component that implements transmission function mounted radially within rotor |
| US7575529B2 (en) * | 2006-09-13 | 2009-08-18 | Gm Global Technology Operations, Inc. | Hybrid electrically variable transmission with geared reverse mode using single motor/generator |
-
2016
- 2016-08-30 DE DE102016216313.2A patent/DE102016216313A1/en not_active Withdrawn
-
2017
- 2017-08-22 CN CN201710722718.5A patent/CN107791819B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1640202A4 (en) * | 2003-06-30 | 2006-07-12 | Toyota Motor Co Ltd | Hybrid drive device and automobile mounted with device |
| DE102010047638A1 (en) * | 2009-10-09 | 2011-05-19 | GM Global Technology Operations, Inc., Detroit | Hybrid powertrain with three modes and two motor / generators |
| CN107031377A (en) * | 2015-10-05 | 2017-08-11 | 丰田自动车株式会社 | The drive device of motor vehicle driven by mixed power |
| JP2017078509A (en) * | 2015-10-20 | 2017-04-27 | 株式会社エクセディ | Vehicular drive device and vehicle |
| US20170136868A1 (en) * | 2015-11-18 | 2017-05-18 | Hyundai Motor Company | Powertrain for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107791819B (en) | 2020-06-26 |
| DE102016216313A1 (en) | 2018-03-01 |
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