CN109795305A - A kind of transmission device of multimodal fusion power vehicle - Google Patents
A kind of transmission device of multimodal fusion power vehicle Download PDFInfo
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- CN109795305A CN109795305A CN201910003362.9A CN201910003362A CN109795305A CN 109795305 A CN109795305 A CN 109795305A CN 201910003362 A CN201910003362 A CN 201910003362A CN 109795305 A CN109795305 A CN 109795305A
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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 invention discloses a kind of transmission device of multimodal fusion power vehicle, system effectiveness is balanced, accelerating ability is good.Including internal combustion engine, the first motor generator, the second motor generator, wheel drive shaft, first planetary gear set, the second planetary gear set, third planet gear set, gear, clutch I, brake II, brake III；Wherein internal combustion engine is fixedly connected with first planetary gear set, first motor generator is fixedly connected with first planetary gear set, second motor generator is fixedly connected with third planet gear set, wheel drive shaft is fixedly connected with third planet gear set, I both ends of clutch are fixedly connected with first planetary gear set and the second planetary gear set respectively, brake II is connect with third planet gear set, brake III is connect with third planet gear set, first planetary gear set is connect with the second planetary gear set by a connecting rod and clutch I, second planetary gear set is connect with third planet gear set by two connecting rods.
Description
Technical field
The invention belongs to new-energy automobile technical field of power transmission, especially a kind of system energy efficiency height, acceleration
It can transmission device good, suitable for multimodal fusion power vehicle.
Background technique
Currently it is believed that the motorized of automobile is to improve vehicle energy utilization factor, the effective of CO2 emission is reduced
One of mode.And power battery specific energy and service life are being greatly improved, before reducing fuel cell cost and hydrogen storage safety, mix
Closing power is considered as presently most actual automobile energy-saving technology.Four-wheel-drive hybrid power system can be effectively reduced cross-country simultaneously
Vehicle, the fuel consumption of engineering truck.
The higher a few money vehicles of hybrid vehicle occupation rate of market are all made of epicyclic gear train as power coupling at present
Structure, for example, Toyota Motor release oil-electric vehicle it is general it is sharp this.This vehicle uses double planet wheel rows of mixing structure at present, will
Engine, generator, motor, vehicle output shaft are coupled.It is mixed that General Motors Corporation is also proposed corresponding double planet wheel rows of mixing
Power vehicle is closed, simultaneity factor joined two clutches, realize two different power dividing operating modes.
But the operating mode of above-mentioned hybrid power system itself is single and does not have pure electric mode, is not suitable for
It applies on the plug-in hybrid-power automobile of current mainstream, under high speed cruise conditions, still uses power dividing mode
Driving, since extra second energy is converted, system capacity utilization rate is lower.
In short, problem of the existing technology is: hybrid vehicle multi-state conditional systems efficiency is unbalanced, acceleration
It can be poor.
Summary of the invention
To solve the above problems, the invention discloses a kind of transmission device of multimodal fusion power vehicle, system capacity effect
Rate is high, accelerating ability is good.
In order to achieve the above objectives, technical scheme is as follows:
A kind of automobile multimodal fusion dynamic coupling device, including internal combustion engine, the first motor generator, the second dynamoelectric and power generation
Machine, wheel drive shaft, first planetary gear set, the second planetary gear set, third planet gear set, gear, clutch I, braking
Device II, brake III；The internal combustion engine is fixedly connected with first planetary gear set, the first motor generator and the first planet
Gear set is fixedly connected, and the second motor generator is fixedly connected with third planet gear set；The both ends of clutch I are respectively with first
Planetary gear set is fixedly connected with the second planetary gear set, and brake II is fixedly connected with third planet gear set, brake III
It is fixedly connected with third planet gear set；The first planetary gear set and the second planetary gear set by a connecting rod and from
Clutch I connects, and the second planetary gear set is connect with third planet gear set by two connecting rods；The wheel drive shaft passes through
Gear is fixedly connected with third planet gear set.
The beneficial effects of the present invention are:
1, multi-state conditional systems efficiency balance: utilizing three rows of planetary gear structures, realize the hybrid mode of power dividing,
Can have opposite series connection and the higher system effectiveness of parallel hybrid electric.Electric model can make vehicle in urban congestion
Pure electric vehicle driving is realized under operating condition, imported power dividing drive mode can provide higher efficiency under speed operation, in parallel
Formula mode and engine mode can further promote the fuel efficiency of hybrid power system under high-speed working condition.
2, accelerating ability is good: bi-motor enables to various parts to effectively improve and improve vehicle with high torque output
Dynamic property, fuel consumption and emission performance, while the presence of electric-only mode make the device suitable for depth mix
Power vehicle and plug-in hybrid-power automobile are suitable for plug-in hybrid-power automobile.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of multimodal fusion power vehicle transmission device of the present invention.
Reference signs list:
1-internal combustion engine, the 2-the first motor generator, the 3-the second motor generator, 4-output shafts, the 5-the first planet tooth
Wheel group, 51-sun gears I, 52-planet carriers I, 53-gear rings I, the 6-the second planetary gear set, 61-sun gears II, 62-rows
Carrier II, 63-gear rings II, 7-third planet gear sets, 71-sun gears III, 72-planet carriers III, 73-gear rings III, 8-
Gear I, 9-clutches I, 10-brakes II, 11-brakes III.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.
As shown in Figure 1, a kind of transmission device for multimodal fusion power vehicle of the present invention comprising internal combustion hair
Motivation 1, the first motor generator 2, the second motor generator 3, output shaft 4, first planetary gear set 5, the second planetary gear set
6, third planet gear set 7, gear 8, clutch I 9, brake II 10,11-brakes III；
The first planetary gear set 5 include sun gear I 51, planet carrier I 52 and gear ring I 53, described I 52 one end of planet carrier with too
I 51 engagement of sun wheel, the other end are engaged with gear ring I 53,
Second planetary gear set 6 includes sun gear II 61, planet carrier II 62 and gear ring II 63, described II 62 one end of planet carrier
It being engaged with sun gear II 61, the other end is engaged with gear ring II 63,
The third planet gear set 7 includes sun gear II 71, planet carrier II 72 and gear ring II 73, described II 72 one end of planet carrier
It is engaged with sun gear II 71, the other end is engaged with gear ring II 73；
The first planetary gear set 5: sun gear 51 is fixedly connected with the first motor generator 2, planet carrier I 52 and sun gear II
61 are fixedly connected, and I 53 one end of gear ring is connect with internal combustion engine 1, and the other end is fixedly connected with I 9 one end of clutch；
Second planetary gear set 6: sun gear II 61 is fixedly connected with planet carrier I 52, and planet carrier II 62 and gear ring III 73 are solid
Fixed connection, II 63 one end of gear ring are fixedly connected with clutch I 9, and the other end is fixedly connected with planet carrier III 72；
The third planet gear set 7: III 71 one end of sun gear is fixedly connected with the second motor generator 3, the other end and braking
Device III 11 connects, and III 72 one end of planet carrier is fixedly connected with gear ring II 63, and the other end is fixedly connected with gear 8, gear ring III 73 1
End is connect with planet carrier II 62, and the other end is fixedly connected with brake II 10；
The output shaft of first motor generator 2 is fixedly connected with the sun gear I 51 of first planetary gear set 5, and second is electronic
The output shaft of generator 3 is fixedly connected with the sun gear II 71 of third planet gear set 7；
The gear 8 is fixedly connected with output shaft 4.
The present invention by control clutch I 9, the engagement of brake II 10 and brake III 11 with separate, realization pure electric vehicle
Mode, engine mode, paralleling model and imported power dividing mode.And whether by engine start, motor generator be
Whether in acceleration and deceleration, system also has combination drive mode, Brake energy recovery mode, electric-only mode, stops for no work, vehicle
Vehicle mode.
It below will be dynamic to the mixing according to system actuators state, engine start state, motor generator working condition
The operating mode of power transmission drive is introduced with state.
1, when electric-only mode, clutch I 9 and brake III 11 are separated, and brake II 10 combines.
Under this mode, gear ring III 73 is fixed by brake III 11, internal combustion engine 1 and the first motor generator 2
It does not work, the second motor generator 3 works independently；Second motor generator 3 is fixedly connected with reality with gear 8 with fixed drive ratio
Existing pure electric vehicle drive mode, revolving speed are directly related with speed and vehicle demand torque to revolving speed；And vehicle is in braking deceleration
State, the first motor generator 1 can be used as generator, braking energy are converted to electric energy, is charged the battery.
2, when engine mode, brake II 10 is separated, and clutch I 9 and brake III 11 combine.
Under this mode, internal combustion engine 1 works independently；The mode is similar with single motor electric-only mode, internal combustion hair
The revolving speed of motivation 1 is directly related with speed；Under high-speed road conditions, higher speed is able to maintain that the speed of internal combustion engine to pass through
It helps in revolving speed section, to make full use of the energy efficiency of the working characteristics promotion vehicle entirety of internal combustion engine.
3, when parallel drive mode, brake III 11 is separated, and clutch I 9 and brake II 10 combine.
Under this mode, the first motor generator 2 does not work, internal combustion engine 1 and the second motor generator 3 work；
Internal combustion engine 1 passes through first planetary gear set 5, the second planetary gear set 6, and third planet gear set 7 is fixedly connected with two
Bar connection, the revolving speed of engine are related to speed；Gear ring III 73 is fixed, and the second motor generator 3 and gear 8 pass through the third line
Star gear set 7 forms fixed ratio connection, and revolving speed is related to speed；Internal combustion engine 1 and the second motor generator 3 provide simultaneously
The required torque of vehicle, wherein the second motor generator 3 mainly plays auxiliary adjustment, help promotes internal combustion engine 1
The thermal efficiency；And vehicle is in braking deceleration state, the second motor generator 3 is used as generator, and braking energy is converted to electricity
Can, to charge the battery；Parallel drive mode efficiency below high speed or some specific operations is higher.
4, when imported power dividing mode, clutch I 9 and brake III 11 are separated, and brake II 10 combines.
Under this mode, internal combustion engine 1, the first motor generator 2 and the second motor generator 3 work；Internal combustion
Engine 1 is connect with the first motor generator 2 by first planetary gear set 5, and gear ring III 73 is fixed, the second motor generator
3 are connected with each other with gear 8 by third planet gear set 7, and fixed drive ratio is formed；
1 power of internal combustion engine passes through its output shaft, is input to the gear ring I 53 of first row planetary system, at this point, entire first seniority among brothers and sisters
Star gear set 5 is used as power dividing mechanism；2 main function of the first motor generator is made by adjusting its own revolving speed at this time
It obtains internal combustion engine 1 and works in its best fuel-economy efficiency band；And when engine power is greater than demand power, the second electricity
Extra engine power is converted to electric energy and charged the battery by dynamic generator 3, and when engine power is less than demand power,
Second motor generator 3 provides energy as motor and drives vehicle；Under this mode, when engine does not start, pass through coordination
Two motor generators can also realize pure electric vehicle drive mode or Brake energy recovery mode；Mixing is realized when engine start
Drive mode.When speed is lower, imported power dividing mode can remain engine operation in optimum efficiency section
It is interior, promote fuel efficiency of the vehicle under the operating condition of city.
5, when car-parking model, clutch I 9, brake II 10 and brake III 11 are in discrete state, internal combustion engine
1, the first motor generator 2 and the second motor generator 3 do not work, and vehicle remains static.
Following table is operating mode summary sheet of the invention:
1 operating mode summary sheet of table
The present invention utilizes multiple rows of planetary gear set structure, realizes the transmission device for being used for multimodal fusion power vehicle, has pure
Electric model, engine mode, paralleling model and imported power dividing mode, system effectiveness with higher.
By the engagement of the clutch I 9, brake II 10 and brake III 11 with separate, it can be achieved that electric-only mode,
Engine mode, paralleling model and imported power dividing mode.Electric-only mode can make vehicle under urban congestion operating condition
Realize pure electric vehicle driving, while the second motor generator 3 works as generator when the vehicle is braked, carries out braking energy
Recycling, to charge the battery；The working efficiency of engine mode and paralleling model under high-speed working condition is higher；Imported power
Higher efficiency can be provided under speed operation by shunting drive mode.
Multiple-working mode makes the transmission device can adapt to complexity, and changeable operating condition effectively improves and changes
Dynamic property, the fuel consumption and emission performance of kind vehicle are suitable for plug-in or common multimodal fusion power vehicle.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.
Claims (6)
1. a kind of transmission device of multimodal fusion power vehicle, it is characterised in that:
Including internal combustion engine (1), the first motor generator (2), the second motor generator (3), wheel drive shaft (4), first
Planetary gear set (5), the second planetary gear set (6), third planet gear set (7), gear (8), clutch I (9), brake II
(10), brake III (11)；
The internal combustion engine (1) is fixedly connected with first planetary gear set (5), the first motor generator (2) and the first planet
Gear set (5) is fixedly connected, and the second motor generator (3) is fixedly connected with third planet gear set (7)；
The both ends of clutch I (9) are fixedly connected with first planetary gear set (5) and the second planetary gear set (6) respectively, brake
II (10) are fixedly connected with third planet gear set (7), and brake III (11) is fixedly connected with third planet gear set (7)；
The first planetary gear set (5) is connect with the second planetary gear set (6) by a connecting rod and clutch I (9), the
Two planetary gear sets (6) are connect with third planet gear set (7) by two connecting rods；
The wheel drive shaft (4) is fixedly connected by gear (8) with third planet gear set (7).
2. a kind of transmission device of multimodal fusion power vehicle according to claim 1, it is characterised in that:
The first planetary gear set (5) includes sun gear I (51), planet carrier I (52) and gear ring I (53), the planet carrier I
(52) one end is engaged with sun gear I (51), and the other end is engaged with gear ring I (53)；
Second planetary gear set (6) includes sun gear II (61), planet carrier II (62) and gear ring II (63), the planet carrier
II (62) one end is engaged with sun gear II (61), and the other end is engaged with gear ring II (63)；
The third planet gear set (7) includes sun gear III (71), planet carrier III (72) and gear ring III (73), the planet carrier
III (72) one end is engaged with sun gear III (71), and the other end is engaged with gear ring III (73)；
The sun gear I (51) is fixedly connected with the first motor generator (2), the planet carrier I (52) and sun gear II (61)
It is fixedly connected, described gear ring I (53) one end is connect with internal combustion engine (1), and the other end is fixedly connected with clutch I (9) one end；
The sun gear II (61) is fixedly connected with planet carrier I (52), the planet carrier II (62) and the fixed company of gear ring III (73)
It connects, described gear ring II (63) one end is fixedly connected with clutch I (9), and the other end is fixedly connected with planet carrier III (72)；
Described sun gear III (71) one end is fixedly connected with the second motor generator (3), and the other end is connect with brake III (11),
Described planet carrier III (72) one end is fixedly connected with gear ring II (63), and the other end is fixedly connected with gear (8), the gear ring III
(73) one end is connect with planet carrier II (62), and the other end is fixedly connected with brake II (10)；
The both ends of the clutch I (9) are fixedly connected with gear ring I (53) and gear ring II (63) respectively, the brake II (10)
One end is connect with gear ring III (73), and the brake III (11) connect with sun gear III (71)；
The output shaft of first motor generator (2) is fixedly connected with sun gear I (51), the second motor generator (3) it is defeated
Shaft is fixedly connected with sun gear III (71).
3. a kind of transmission device of multimodal fusion power vehicle according to claim 1 or 2, it is characterised in that: pure electric vehicle
When mode, clutch I (9) and brake III (11) separation, brake II (10) are combined, the second motor generator (3) independent work
Make.
4. a kind of transmission device of multimodal fusion power vehicle according to claim 1 or 2, it is characterised in that: internal combustion engine
When mode, clutch I (9) separation and brake III (11) are combined, brake II (10) separation, internal combustion engine (1) independent work
Make.
5. a kind of transmission device of multimodal fusion power vehicle according to claim 1 or 2, it is characterised in that: and gang mould
When formula, clutch I (9) and brake II (10) are combined, brake III (11) separation；First motor generator (2) does not work, is interior
Burn engine (1) and the second motor generator (3) work.
6. a kind of transmission device of multimodal fusion power vehicle according to claim 1 or 2, it is characterised in that: imported
When power dividing mode, clutch I (9) and brake III (11) separation, brake II (10) are combined；Internal combustion engine (1), the
One motor generator (2) and the second motor generator (3) work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910003362.9A CN109795305A (en) | 2019-01-03 | 2019-01-03 | A kind of transmission device of multimodal fusion power vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910003362.9A CN109795305A (en) | 2019-01-03 | 2019-01-03 | A kind of transmission device of multimodal fusion power vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN109795305A true CN109795305A (en) | 2019-05-24 |
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ID=66558419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910003362.9A Pending CN109795305A (en) | 2019-01-03 | 2019-01-03 | A kind of transmission device of multimodal fusion power vehicle |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090312130A1 (en) * | 2008-06-11 | 2009-12-17 | Hyundai Motor Company | Power train of hybrid vehicle |
| US20090312128A1 (en) * | 2008-06-12 | 2009-12-17 | Hyundai Motor Company | Power train of hybrid vehicle |
| CN105109326A (en) * | 2015-08-19 | 2015-12-02 | 南京理工大学 | Hybrid transmission driving device |
| CN105128647A (en) * | 2015-07-20 | 2015-12-09 | 南京理工大学 | Multimode hybrid power transmission driving device |
| CN106080169A (en) * | 2016-07-06 | 2016-11-09 | 南京理工大学 | Mixed power coupling device based on two-row planetary gear |
| CN106114191A (en) * | 2016-07-06 | 2016-11-16 | 南京理工大学 | A kind of automobile multimodal fusion dynamic coupling device |
-
2019
- 2019-01-03 CN CN201910003362.9A patent/CN109795305A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090312130A1 (en) * | 2008-06-11 | 2009-12-17 | Hyundai Motor Company | Power train of hybrid vehicle |
| US20090312128A1 (en) * | 2008-06-12 | 2009-12-17 | Hyundai Motor Company | Power train of hybrid vehicle |
| CN105128647A (en) * | 2015-07-20 | 2015-12-09 | 南京理工大学 | Multimode hybrid power transmission driving device |
| CN105109326A (en) * | 2015-08-19 | 2015-12-02 | 南京理工大学 | Hybrid transmission driving device |
| CN106080169A (en) * | 2016-07-06 | 2016-11-09 | 南京理工大学 | Mixed power coupling device based on two-row planetary gear |
| CN106114191A (en) * | 2016-07-06 | 2016-11-16 | 南京理工大学 | A kind of automobile multimodal fusion dynamic coupling device |
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Application publication date: 20190524 |
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