CN209479405U - A kind of hybrid gearbox and hybrid vehicle - Google Patents
A kind of hybrid gearbox and hybrid vehicle Download PDFInfo
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- CN209479405U CN209479405U CN201822272775.0U CN201822272775U CN209479405U CN 209479405 U CN209479405 U CN 209479405U CN 201822272775 U CN201822272775 U CN 201822272775U CN 209479405 U CN209479405 U CN 209479405U
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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
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Abstract
The utility model discloses a kind of hybrid gearbox and hybrid vehicles, it is related to motor vehicle driven by mixed power field, including motor and planet speed change mechanism, the planet speed change mechanism includes the first planetary gear train and the second planetary gear train, second planetary gear train includes the second planet carrier, and the output end of the motor and second planet carrier are sequentially connected.The utility model reduces the volume of gearbox, reduces the number of parts of gearbox, so that the structure of gearbox is simple, more efficient, cost is reduced.
Description
[technical field]
The utility model relates to motor vehicle driven by mixed power field, and in particular to a kind of hybrid gearbox and hybrid power
Automobile.
[background technique]
Increasingly go up, under the background that environmental requirement is increasingly strict in oil price, oil-electric vehicle is increasingly by wide
The favor of big consumer.In the prior art, hybrid power actuation techniques mainly use modular structure, in motive power assembly
On the basis of, increase one or more sets electric drivers to realize the driving function of hybrid power.
Traditional planet gear train speed changer realizes 6 by the different permutation and combination of three clutches and two brakes
Forward and 1 backward gear.In the development process of hybrid gearbox, the mode being widely adopted at present is to be expert at
Star wheel series transmission input increases by the 6th Ge Xuan gear shift sleeve mechanism (commonly known as C0/K0 clutch) to realize mixing
The function of power.Citing: the 8P75PH from German Zf Friedrichshafen Ag；The P2-6AT etc. of Hyundai.
But there are this following defects for hybrid gearbox in the prior art: motor and planet gear train speed changer are being arranged
It is upper to use coaxial configuration, it is directly connected between motor and planet gear train speed changer, axial dimension is unfavorable for the arrangement of forerunner's vehicle；
Using 6 groups of gear shift sleeve structures, the cost and size of speed changer are influenced；Also, in the use process of hybrid gearbox
In, the clutch of disengaged condition or the friction plate of stopper mechanism can generate resistance under the viscous drag effect of lubricating oil,
So that the whole drive efficiency of hybrid gearbox declines, vehicle fuel consumption performance is realized in damage.
In view of this, it is necessary to the improvement in structure is carried out to existing hybrid gearbox system, it is above-mentioned to solve
Technical problem.
[utility model content]
To solve foregoing problems, the utility model provides a kind of electric hybrid transmission of novel oil, reduces gearbox
Volume, reduce the number of parts of gearbox, more efficient so that the structure of gearbox is simple, cost reduces.
In order to achieve the above object, the utility model adopts the following technical solution:
A kind of hybrid gearbox, including motor and planet speed change mechanism, the planet speed change mechanism include the first row
Star wheel series and the second planetary gear train, second planetary gear train include the second planet carrier, the output end of the motor and described the
The transmission connection of two planet carriers.
In traditional planet gear train speed changer, the first planetary gear train and the second planetary gear train are respectively connected with one
Brake when with motor driven planet gear train speed changer, is needed with the integration mode of existing motor and planet gear train speed changer
It wants the brake of the second planetary gear train to lock the second planet carrier, can realize driving of the motor to planet gear train speed changer.And
The integration mode that motor and the second planet carrier are sequentially connected used by the utility model, motor can directly drive the second row
Carrier, and then planet gear train speed changer is driven, it is no longer necessary to the brake of the second planetary gear train removes locked second planet
Frame, therefore, in the present invention, the brake of the second planetary gear train can be removed, and can still be reached and existing skill
The identical driving effect of hybrid gearbox in art.
Further, the output shaft of the motor be equipped with driving wheel, second planetary gear train includes driven wheel, it is described from
Driving wheel is fixedly connected with second planet carrier, and the motor passes through the driving wheel and driven wheel engagement driving described the
Two planet carriers.
It further, further include idle pulley between the driving wheel and the driven wheel.
Preferably, the motor is ISG motor, the rotor of the ISG motor is connect with second planet carrier.
Preferably, the planet speed change mechanism includes shell and input shaft；
First planetary gear train includes first planet carrier, the first ring gear, planetary gear and the first sun gear, and described first
Sun gear is connected to the shell, first ring gear and the input axis connection, and the planetary gear is installed on described first
Planet carrier, first ring gear are engaged with the planetary gear, and the planetary gear is engaged with first sun gear simultaneously；
Second planetary gear train include the second sun gear, third sun gear, the second ring gear and it is intermeshing in
Planetary gear and outer planet round, the inner planets round and outer planet round are installed on second planet carrier, second ring gear with
Outer planet round engagement, the outer planet round are engaged with second sun gear simultaneously, the third sun gear with it is described interior
Planetary gear engagement.
Further, the hybrid gearbox further include first clutch, second clutch, third clutch and
Brake, the first planet carrier are connect by the first clutch with the third sun gear, and the first planet carrier is logical
The third clutch is crossed to connect with second sun gear, second planet carrier by the second clutch with it is described defeated
Enter axis connection, the brake is connected to second sun gear, and the brake passes through the third clutch and the first row
Carrier connection.
Further, the hybrid gearbox further includes damper, the input shaft by the damper with
First ring gear is connected with the second clutch.
Preferably, the hybrid gearbox further includes gear of output end, the gear of output end and described second
Ring gear connection.
The utility model has the following beneficial effects:
1, integration mode used by the utility model, since motor can directly drive the second planet carrier and then drive row
Star wheel series speed changer drives planet gear train speed changer by input shaft without locking the second planet carrier by brake,
Allow the arrangement of motor and planet gear train speed changer more flexible, be no longer limited to coaxial mode, is conducive to interior dynamic
The reasonable arrangement of power assembly physical layout.
2, due to eliminating the brake of the second planetary gear train, hybrid gearbox provided by the utility model at
Originally effectively reduced, the structure of hybrid gearbox has obtained effective simplification, size can further it is compact, make
It must manufacture, process and be more easier.
3, it due to eliminating the brake of the second planetary gear train, can only be realized by three clutches and a brake
11 kinds of transforming gears, therefore, under steady state operating conditions, only there are two be in non-binding shape in three clutches and a brake
State thereby reduces its friction plate generated resistance under the viscous drag effect of lubricating oil, so that hybrid gearbox
Whole drive efficiency get a promotion, and then improve the fuel economy of vehicle.
In addition, the utility model additionally provides a kind of hybrid vehicle, the hybrid vehicle includes aforementioned any
Hybrid gearbox described in one.Hybrid vehicle provided by the utility model and aforementioned hybrid speed changer
Beneficial effect reasoning process is similar, and details are not described herein.
These features and advantages of the utility model will carry out in detail in following specific embodiment and attached drawing
Exposure.The optimal embodiment of the utility model or means will carry out detailed performance in conjunction with attached drawing, but be not practical new to this
The limitation of type technical solution.In addition, it is each be with these features, element and the component occurred in attached drawing hereafter have it is multiple,
And different symbol or number is marked in order to indicate convenient, but indicates the component of same or similar construction or function.
[Detailed description of the invention]
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the schematic diagram of the utility model embodiment one；
Fig. 2 is the schematic diagram of the utility model embodiment two；
Fig. 3 is the schematic diagram of the utility model embodiment three；
Fig. 4 is the schematic diagram of the utility model embodiment four；
Fig. 5 is the schematic diagram of the utility model embodiment five.
Wherein, the first sun gear of 1-；2- planetary gear；The first ring gear of 3-；The second ring gear of 4-；5- outer planet round；In 6-
Planetary gear；The second sun gear of 7-；8- third sun gear；9- input shaft；10- motor output shaft；11- driving wheel；12- driven wheel；
13- first clutch；14- second clutch；15- brake；16- is thirdly clutch；17- shell；The second planet carrier of 18-；19-
Damper；20- motor；21- gear of output end, 22- idle pulley, 23-ISG motor, 24- bearing, 25- first planet carrier.
[specific embodiment]
The technical solution of the utility model embodiment is explained below with reference to the attached drawing of the utility model embodiment and
Illustrate, but following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode,
Those skilled in the art's obtained other embodiments without making creative work, belong to the utility model
Protection scope.
" one embodiment " or " example " or " example " mean that itself is described in conjunction with the embodiments quoted in this specification
A particular feature, structure, or characteristic can be included at least one embodiment disclosed in this patent.Phrase is " in one embodiment
In " appearance of each position in the description is not necessarily all referring to the same embodiment.
Embodiment one:
As shown in Figure 1, a kind of hybrid gearbox is present embodiments provided, including motor 20 and planet speed change mechanism,
Planet speed change mechanism includes input shaft 9；Input shaft 9 and internal combustion engine (not shown) are sequentially connected, the torsion that internal combustion engine is exported
Square passes to planet speed change mechanism.Planet speed change mechanism includes the first planetary gear train and the second planetary gear train, wherein the second planet
Train includes the second planet carrier 18, and the output end of motor 20 and the second planet carrier 18 are sequentially connected, the torque that motor 20 is exported
Pass to planet speed change mechanism.In the present embodiment, the motor output shaft 10 of motor 20 is equipped with driving wheel 11, the second planetary gear train
Including driven wheel 12, driven wheel 12 is fixedly connected with the second planet carrier 18, and motor 20 is engaged by driving wheel 11 and driven wheel 12
Drive the second planet carrier 18.The electric drive and Mechanical Driven that this connection structure is realized are integrated structurally and functionally, by
The second planet carrier 18 can be directly driven in motor 20 and then drives planet gear train speed changer, without passing through brake locked the
Two planet carriers 18 drive planet gear train speed changer by input shaft 9 in turn, so that the arrangement of motor 20 and planet gear train speed changer
Can be more flexible, the input shaft 9 of internal combustion engine and the output shaft 10 of motor 20 may be implemented different axis arrangement, parallel arrangement or other
Arrangement is no longer limited to coaxial mode, advantageously reduces the axial dimension of hybrid gearbox, and then total to power
More reasonably optimized at physical layout, arranged.
In the present embodiment, planet speed change mechanism includes shell 17, and the first planetary gear train includes in first planet carrier 25, first
Gear ring 3, planetary gear 2 and the first sun gear 1, the first sun gear 1 are connected to shell 17, and the first ring gear 3 is connect with input shaft 9,
Planetary gear 2 is installed on first planet carrier 25, and the first ring gear 3 is engaged with planetary gear 2, and planetary gear 2 is nibbled with the first sun gear 1 simultaneously
It closes；
Second planetary gear train includes the second sun gear 7, third sun gear 8, the second ring gear 4 and intermeshing expert
Star-wheel 6 and outer planet round 5, inner planets round 6 and outer planet round 5 are installed on the second planet carrier 18, the second ring gear 4 and outer planet round
5 engagements, outer planet round 5 are engaged with the second sun gear 7 simultaneously, and third sun gear 8 is engaged with inner planets round 6.
Hybrid gearbox further includes first clutch 13, second clutch 14, third clutch 16 and brake
15；
It is specific again:
One end of first clutch 13 connects first planet carrier 25, and the other end is connect with third sun gear 8；
One end of second clutch 14 connects first planet carrier 25, and the other end is connect with the second sun gear 7；Planetary gear 2 is logical
The closure for crossing first clutch 13 or second clutch 14 carries out power transmission to the second planetary gear train；
One end of brake 15 connects second clutch 14, and the other end is connect with the second sun gear 7；
One end of third clutch 16 connects input shaft 9, and the other end connects the second planet carrier 18.
In traditional planet gear train speed changer, the first planetary gear train and the second planetary gear train are respectively connected with one
Brake when with motor driven planet gear train speed changer, is needed with the integration mode of existing motor and planet gear train speed changer
It wants the brake of the second planetary gear train to lock the second planet carrier, can realize driving of the motor to planet gear train speed changer.And
Integration mode motor 20 and the second planet carrier 18 being sequentially connected used by the present embodiment, motor 20 can directly drive the
Two planet carriers 18, and then planet gear train speed changer is driven, it is no longer necessary to the brake of the second planetary gear train 18 goes to lock
Second planet carrier 18, therefore, the brake of the second planetary gear train can be removed, and can still be reached and be mixed in the prior art
Close the identical driving effect of power transmission.
Due to eliminating the brake of the second planetary gear train, ten only can be realized by three clutches and a brake
A kind of transforming gear, therefore, under steady state operating conditions, only there are two be in non-binding shape in three clutches and a brake
State thereby reduces its friction plate generated resistance under the viscous drag effect of lubricating oil, so that hybrid gearbox
Whole drive efficiency get a promotion, and then improve the fuel economy of vehicle.Also, due to eliminating the second planetary gear train
Brake, the cost of hybrid gearbox provided by the present embodiment effectively reduced, hybrid gearbox
Structure obtained effective simplification, size can further it is compact, make manufacture, processing be more easier.
In the present embodiment, hybrid gearbox further includes damper 19 and output end, and input shaft 9 passes through damper 19
It is connect with the first ring gear 3 and second clutch 14；Output end is equipped with gear of output end 21, specific: gear of output end 21 with
The transmission connection of second ring gear 4.
Below with reference to above structure, the power flow direction of 11 kinds of working conditions of the present embodiment is described respectively:
1. hybrid gearbox gear of table, clutch, brake relationship
One, reverse gear driving status:
When hybrid gearbox is in reverse gear driving status, first clutch 13 is closed, other arrangement of clutch are located
In unbound state.
As shown in Figure 1, internal combustion engine passes through input shaft 9 to the first planet when hybrid gearbox is in reverse gear state
The first ring gear 3 in train transmits power, since the first ring gear 3 is engaged with planetary gear 2, the first ring gear 3 drives
Planetary gear 2 is rotated simultaneously；Planetary gear 2 drives first planet carrier 25 to rotate, and first planet carrier 25 passes through first clutch 13
Power is transferred to the third sun gear 8 in the second planetary gear train, due to third sun gear 8, inner planets round 6, outer planet round 5 and
Second ring gear 4 engages simultaneously, therefore third sun gear 8 drives 4 turns of inner planets round 6, outer planet round 5 and the second ring gear
Dynamic, motor 20 rotates simultaneously, and power is transferred to the second planet carrier 18, motor 20 by driving wheel 11 and driven wheel 12 by motor 20
The power of output is coupled with the power that internal combustion engine exports in the second planetary gear train, and in turn, power after coupling is eventually by with
Outside the output to hybrid gearbox of gear of output end 21 of two ring gears 4 connection.
Two, 1 grade of starting state:
When hybrid gearbox is in 1 grade of starting state, first clutch 13 is closed, other arrangement of clutch are in
Unbound state.
As shown in Figure 1, internal combustion engine passes through input shaft 9 to the first row when hybrid gearbox is in 1 grade of starting state
The first ring gear 3 in star wheel series transmits power, and the first ring gear 3 rotates and drives planetary gear 2 while rotating, therewith, planet
Wheel 2 drives first planet carrier 25 to rotate, and first planet carrier 25 drives the third in the second planetary gear train by first clutch 13
Sun gear 8 rotates, and motor 20 rotates simultaneously, and power is transferred to the second planet carrier by driving wheel 11 and driven wheel 12 by motor 20
18, the power that motor 20 exports is coupled with the power that internal combustion engine exports in the second planetary gear train, and in turn, the power after coupling is final
It is exported by the gear of output end 21 being connect with the second ring gear 4 to outside speed change system.
As shown in Figure 1, when 1 grade of starting state is with reverse gear driving status, the dynamic flow direction of diagram is consistent, the area of the two
Be not: rotation direction, the velocity of rotation of motor 20 are different, and the rotation direction of the input shaft 9 of internal combustion engine is opposite.
Three, 2 grades of driving status:
When hybrid gearbox is in 2 grades of driving status, first clutch 13 and brake 15 are closed, other clutches
Device is in unbound state.
As shown in Figure 1, internal combustion engine passes through input shaft 9 to the first row when hybrid gearbox is in 2 grades of driving status
3 transfer motion power of the first ring gear in star wheel series, the first ring gear 3 start turning and planetary gear 2 are driven to rotate, 2 band of planetary gear
Dynamic first planet carrier 25 rotates, and power is transferred to the in the second planetary gear train by first clutch 13 by first planet carrier 25
Three sun gears 8, due to third sun gear 8, inner planets round 6, outer planet round 5 and the second ring gear 4, this is engaged simultaneously, therefore the
Three sun gears 8 drive inner planets round 6, outer planet round 5 to be rotated；Meanwhile 15 the second sun gear of locking 7 of brake, inner planet
6 driving outer planet round 5 of wheel is rotated, and outer planet round 5 sends power to the second ring gear 4, and motor 20 rotates simultaneously, motor
Power is transferred to the second planet carrier 18 by driving wheel 11 and driven wheel 12 by 20, and the power and internal combustion engine that motor 20 exports export
Power coupled in the second planetary gear train, in turn, the power after coupling is eventually by the output end tooth connecting with the second ring gear 4
Outside 21 output to hybrid gearbox of wheel.
Four, 3 grades of driving status:
When hybrid gearbox is in 3 grades of driving status, first clutch 13 and second clutch 14 are closed, other
Arrangement of clutch is in unbound state.
As shown in Figure 1, internal combustion engine passes through input shaft 9 to the first row when hybrid gearbox is in 3 grades of driving status
3 transfer motion power of the first ring gear in star wheel series, the first ring gear 3 start turning and planetary gear 2 are driven to rotate, 2 band of planetary gear
Dynamic first planet carrier 25 rotates, and power is transferred to the in the second planetary gear train by first clutch 13 by first planet carrier 25
Three sun gears 8, while power is transferred to by the second sun gear 7 by second clutch 14；Due to third sun gear 8, inner planet
Wheel 6, outer planet round 5 this three successively engage from inside to outside, therefore third sun gear 8 drives inner planets round 6, outer planet round 5 same
When rotate；At the same time, further driving outer planet round 5 rotates the second sun gear 7, and outer planet round 5 is nibbled with the second ring gear 4
It closes, motor 20 rotates simultaneously, and power is transferred to the second planet carrier 18, motor 20 by driving wheel 11 and driven wheel 12 by motor 20
The power of output is coupled with the power that internal combustion engine exports in the second planetary gear train, and in turn, power after coupling is eventually by with
Outside the output to hybrid gearbox of gear of output end 21 of two ring gears 4 connection.
Five, 4 grades of driving status:
When hybrid gearbox is in 4 grades of driving status, first clutch 13 and third clutch 16 are closed, other
Arrangement of clutch is in unbound state.
As shown in Figure 1, when hybrid gearbox is in 4 grades of driving status, internal combustion engine is by input shaft 9 simultaneously to the
Second planet carrier 18 of the first ring gear 3 and the second planetary gear train in one planetary gear train transmits power；First ring gear 3 starts
It rotates and planetary gear 2 is driven to rotate, planetary gear 2 drives first planet carrier 25 to rotate, and first planet carrier 25 passes through first clutch
13 send power to the third sun gear 8 in the second planetary gear train, so that third sun gear 8, the second planet carrier 18 are same
When drive the rotation of outer planet round 5, the second ring gear 4, motor 20 rotates simultaneously, and motor 20 passes through driving wheel 11 and driven wheel 12
Power is transferred to the second planet carrier 18, the power for power and the internal combustion engine output that motor 20 exports is in the second planetary gear train coupling
It closes, in turn, the power after coupling is eventually by the output of gear of output end 21 connecting with the second ring gear 4 to hybrid power speed change
Outside device.
Six, 5 grades of driving status；
When hybrid gearbox is in 5 grades of driving status, second clutch 14 and third clutch 16 are closed, other
Arrangement of clutch is in unbound state.
As shown in Figure 1, when hybrid gearbox is in 5 grades of driving status, internal combustion engine is by input shaft 9 simultaneously to the
Second planet carrier 18 of the first ring gear 3 and the second planetary gear train in one planetary gear train transmits power；First ring gear 3 starts
It rotates and planetary gear 2 is driven to rotate, planetary gear 2 drives first planet carrier 25 to rotate, and first planet carrier 25 passes through second clutch
14 send power to the second sun gear 7 in the second planetary gear train, so that the second sun gear 7, the second planet carrier 18 are same
When drive the rotation of outer planet round 5, the second ring gear 4, motor 20 rotates simultaneously, and motor 20 passes through driving wheel 11 and driven wheel 12
Power is transferred to the second planet carrier 18, the power for power and the internal combustion engine output that motor 20 exports is in the second planetary gear train coupling
It closes, in turn, the power after coupling is eventually by the output of gear of output end 21 connecting with the second ring gear 4 to hybrid power speed change
Outside device.
Seven, 6 grades of driving status:
When hybrid gearbox is in 6 grades of driving status, brake 15 and third clutch 16 are closed, other clutches
Device is in unbound state.
As shown in Figure 1, internal combustion engine passes through input shaft 9 to the second row when hybrid gearbox is in 6 grades of driving status
Second planet carrier 18 of star wheel series transmits power；Motor 20 rotates simultaneously, and motor 20 will be moved by driving wheel 11 and driven wheel 12
Power is transferred to the second planet carrier 18；15 the second sun gear of locking 7 of brake；Second planet carrier 18 passes through outer planet round 5 for power
It is transmitted to the second ring gear 4, is finally exported by gear of output end 21 to outside hybrid gearbox.
Eight, the first electrodeless variable-speed state:
When hybrid gearbox is in the first electrodeless variable-speed state, first clutch 13 is closed, other arrangement of clutch
It is in unbound state.
As shown in Figure 1, when hybrid gearbox is in the first electrodeless variable-speed state, internal combustion engine by input shaft 9 to
The first ring gear 3 in first planetary gear train transmits power；First ring gear 3 starts turning and planetary gear 2 is driven to rotate, planet
Wheel 2 drives first planet carrier 25 to rotate, and first planet carrier 25 sends power to the second planetary gear train by first clutch 13
In third sun gear 8 so that third sun gear 8 drive inner planets round 6, outer planet round 5；Motor 20 rotates simultaneously, electricity
Power is transferred to the second planet carrier 18 by driving wheel 11 and driven wheel 12 by machine 20, and the power and internal combustion engine that motor 20 exports are defeated
Power out is coupled in the second planetary gear train, in the case where internal combustion engine and constant 9 revolving speed of input shaft, by adjusting motor 20
Revolving speed, it can be achieved that the first variable speed function, in turn, the power after coupling is defeated eventually by connecting with the second ring gear 4
Outside the output to hybrid gearbox of outlet gear 21.
Nine, the second electrodeless variable-speed state:
When hybrid gearbox is in the second electrodeless variable-speed state, second clutch 14 is closed, other arrangement of clutch
It is in unbound state.
As shown in Figure 1, when hybrid gearbox is in the second electrodeless variable-speed state, internal combustion engine by input shaft 9 to
The first ring gear 3 in first planetary gear train transmits power；First ring gear 3 starts turning and planetary gear 2 is driven to rotate, planet
Wheel 2 drives first planet carrier 25 to rotate, and first planet carrier 25 sends power to the second sun gear 7 in the second planetary gear train,
So that the second sun gear 7 drives outer planet round 5；Motor 20 rotates simultaneously, and motor 20 passes through driving wheel 11 and driven wheel 12
Power is transferred to the second planet carrier 18, the power for power and the internal combustion engine output that motor 20 exports is in the second planetary gear train coupling
Close, in the case where internal combustion engine and constant 9 revolving speed of input shaft, by adjusting motor 20 revolving speed, it can be achieved that the second variable speed
Function, in turn, power after coupling is eventually by the output of gear of output end 21 connecting with the second ring gear 4 to hybrid power
Outside speed changer.
Ten, pure eDrive state:
When hybrid gearbox is in pure eDrive state, brake 15 is closed, other arrangement of clutch are in non-
Bonding state.
As shown in Figure 1, when hybrid gearbox is in pure eDrive state, motor 20 passes through driving wheel 11 and driven
Power is transferred to the second planet carrier 18 by wheel 12, and the closure of brake 15 is connect with the second sun gear 7；Second planet carrier 18 passes through outer
Planetary gear 5 is finally exported power transmission to the second ring gear 4 by gear of output end 21 to outside hybrid gearbox.
In this state, power chain is short, and then efficiency is higher, provided in this embodiment compared with existing structure
Above-mentioned technical proposal can realize higher pure electric mileage.
11, start internal combustion engine under pure eDrive state:
When hybrid gearbox is in pure electric drive and starts engine status, during brake 15 is closed,
The closure of third clutch 16 is controlled, other arrangement of clutch are in unbound state.
As shown in Figure 1, motor 20 passes through master when hybrid gearbox is in pure electric drive and starts engine status
Power is transferred to the second planet carrier 18 by driving wheel 11 and driven wheel 12, and the closure of brake 15 is connect with the second sun gear 7；Second row
Carrier 18, by power transmission to the second ring gear 4, is finally exported to hybrid power by gear of output end 21 and is become by outer planet round 5
Outside fast device.Meanwhile third clutch 16 combines, and the power that motor 20 exports is transferred to input shaft by third clutch 16,
For starting internal combustion engine.
It should be understood that in the present embodiment, the second ring gear 4 is connect with gear of output end 21 using spline structure,
And it is gap-matched between spline and the second ring gear 4 and gear of output end 21；Gear of output end 21 uses two angular contacts
Bearing is supported, and therefore, the radial force that gear of output end 21 generates in transmittance process will not be transferred to second by spline
Ring gear 4；Using spline structure connection, spline and the second planet carrier 18 and driven wheel between second planet carrier 18 and driven wheel 12
Fit system between 12 is clearance fit；There is driven wheel 12 individual bearing arrangement to be supported, and therefore, driven wheel 12 exists
The radial force that power generates during transmitting will not be transferred on the second planet carrier 18 by spline structure；Driving wheel 11 and electricity
The output shaft 10 of machine 20 is also connected using spline structure, is between spline structure and the output shaft 10 and driving wheel 11 of motor 20
It is full of cooperation；Driving wheel 11 and driven wheel 12 are helical gear design, the two engagement cooperation, in addition, driving wheel 11 and driven wheel 12
Speed ratio can flexible modulation, for adapting to different motor 20 and application demand.
Embodiment two:
As shown in Fig. 2, the present embodiment is what is different from the first embodiment is that in the present embodiment, driving wheel 11 and driven wheel 12
Between be additionally provided with idle pulley 22.Idle pulley 22 can make driving wheel 11 identical as the steering of driven wheel 12, so that the layout of motor 20 exists
It is more flexible on the basis of embodiment one.
Embodiment three:
As shown in Figure 3 or Figure 4, the present embodiment is what is different from the first embodiment is that in the present embodiment, motor 23 is ISG electricity
Machine, the rotor of ISG motor 23 are connect with the second planet carrier 18.
The difference of hybrid gearbox shown in Fig. 3 and hybrid gearbox shown in Fig. 4 is, shown in Fig. 3
In hybrid gearbox, the second planet carrier 18 and third clutch 16 are located at the same side of outer planet round 5, shown in Fig. 4 mixed
It closes in power transmission, the second planet carrier 18 and third clutch 16 are located at the two sides of outer planet round 5.
Example IV:
As shown in figure 5, the present embodiment is unlike embodiment three, in physical arrangement, the second planetary gear train is located at the
The front end of one planetary gear train.
Embodiment five:
The present embodiment provides described by any one embodiment in a kind of hybrid vehicle, including aforementioned four embodiment
Hybrid gearbox, the hybrid vehicle pass through described in any one embodiment in aforementioned four embodiment mix
It closes power transmission and carries out power adjustment.
More than, only specific embodiment of the present utility model, but protection scope of the utility model is not limited thereto,
Being familiar with the those skilled in the art should be understood that the utility model includes but is not limited to attached drawing and above in specific embodiment
The content of description.The modification of any function and structure principle without departing from the utility model is intended to be included in the model of claims
In enclosing.
Claims (9)
1. a kind of hybrid gearbox, including motor and planet speed change mechanism, the planet speed change mechanism includes the first planet
Train and the second planetary gear train, which is characterized in that second planetary gear train includes the second planet carrier, the output end of the motor
It is sequentially connected with second planet carrier.
2. hybrid gearbox according to claim 1, it is characterised in that: the output shaft of the motor is equipped with actively
Wheel, second planetary gear train includes driven wheel, and the driven wheel is fixedly connected with second planet carrier, and the motor passes through
The driving wheel and driven wheel engagement drive second planet carrier.
3. hybrid gearbox according to claim 2, it is characterised in that: between the driving wheel and the driven wheel
It further include idle pulley.
4. hybrid gearbox according to claim 1, it is characterised in that: the motor is ISG motor, the ISG
The rotor of motor is connect with second planet carrier.
5. according to claim 1 to hybrid gearbox described in one of 4, it is characterised in that:
The planet speed change mechanism includes shell and input shaft；
First planetary gear train includes first planet carrier, the first ring gear, planetary gear and the first sun gear, first sun
Wheel is connected to the shell, first ring gear and the input axis connection, and the planetary gear is installed on first planet
Frame, first ring gear are engaged with the planetary gear, and the planetary gear is engaged with first sun gear simultaneously；
Second planetary gear train includes the second sun gear, third sun gear, the second ring gear and intermeshing inner planet
Wheel and outer planet round, the inner planets round and outer planet round are installed on second planet carrier, second ring gear with it is described
Outer planet round engagement, the outer planet round are engaged with second sun gear simultaneously, the third sun gear and the inner planet
Wheel engagement.
6. hybrid gearbox according to claim 5, it is characterised in that: the hybrid gearbox further includes
One clutch, second clutch, third clutch and brake, the first planet carrier pass through the first clutch and institute
The connection of third sun gear is stated, the first planet carrier connect by the third clutch with second sun gear, and described the
For two planet carriers by the second clutch and the input axis connection, the brake is connected to second sun gear, institute
It states brake and is connect by the third clutch with first planet carrier.
7. hybrid gearbox according to claim 6, it is characterised in that: the hybrid gearbox further includes subtracting
Device is shaken, the input shaft is connect by the damper with first ring gear and the second clutch.
8. hybrid gearbox according to claim 5, it is characterised in that: the hybrid gearbox further includes defeated
Outlet gear, the gear of output end are connect with second ring gear.
9. a kind of hybrid vehicle, which is characterized in that the hybrid vehicle includes any one of claim 1 to 8
The hybrid gearbox.
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| CN201822272775.0U CN209479405U (en) | 2018-12-29 | 2018-12-29 | A kind of hybrid gearbox and hybrid vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466311A (en) * | 2018-12-29 | 2019-03-15 | 杭州登腾科技有限公司 | A kind of hybrid gearbox and hybrid vehicle |
| CN114076180A (en) * | 2020-08-21 | 2022-02-22 | 比亚迪股份有限公司 | Planetary gear transmission device, power driving system and vehicle |
-
2018
- 2018-12-29 CN CN201822272775.0U patent/CN209479405U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466311A (en) * | 2018-12-29 | 2019-03-15 | 杭州登腾科技有限公司 | A kind of hybrid gearbox and hybrid vehicle |
| CN114076180A (en) * | 2020-08-21 | 2022-02-22 | 比亚迪股份有限公司 | Planetary gear transmission device, power driving system and vehicle |
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