CN107627832A - Reverse-flow type power coupling transmission system - Google Patents
Reverse-flow type power coupling transmission system Download PDFInfo
- Publication number
- CN107627832A CN107627832A CN201710820144.5A CN201710820144A CN107627832A CN 107627832 A CN107627832 A CN 107627832A CN 201710820144 A CN201710820144 A CN 201710820144A CN 107627832 A CN107627832 A CN 107627832A
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- Prior art keywords
- gear
- pulley group
- driven
- output
- planet carrier
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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 reverse-flow type power coupling transmission system, including engine, motor, constant-speed ratio transmission device, including intermeshing input gear and output gear；Planetary row device, including gear ring, planetary gear, sun gear and planet carrier, planetary gear are engaged simultaneously with sun gear and gear ring, and planetary gear is solidly set on planet carrier, power take-off mechanism；Metal tape stepless speed-regulating device, including driving pulley group, driven pulley group and metal tape；Engine is connected through clutch with driving pulley group, input gear and driving pulley group can synchronous axial system, driven pulley group is fixedly connected through driven shaft B with sun gear, the both ends of planet carrier respectively with output gear with and motor be fixedly connected.There is power backflow when four kinds of operating modes can be achieved, while can carry out each operating mode, improve overall transmission efficiency, widen speed than excursion, reduce manufacturing cost, quick for installation compact, saving space-consuming.
Description
Technical field
The invention belongs to art drive systems field, and in particular to a kind of reverse-flow type power coupling transmission system.
Background technology
With the increase of car ownership, petroleum resources are increasingly deficient, motor vehicle emission problem is increasingly sharpened, therefore to mixing
The research of power vehicle is the emphasis of current automotive research work.The research for hybrid vehicle configuration has very both at home and abroad
More, most famous no more than general sharp this (Prius) of Japanese Toyota Company, that it is carried is oil electric mixed dynamic system THS
(Toyota Hybrid System) uses the form of bi-motor, and planet row structure, engine are employed in power separate section
It is connected with planet carrier, generator (MG1) is connected with sun gear, and motor (MG2) is connected with gear ring, and MG1 can be in the course of work
In employ ECVT principle, play speed governing, ensure that engine always works at optimal operation interval, reach saving oil consumption
Purpose.The third generation it is general it is sharp general sharp this employs double planet wheel rows of mixing design in this, by the use of second planet row as reducing gear,
Although so having reached the purpose of lightweight and characteristics of compact layout, processing inconvenience, increase are thus caused to a certain extent
The problem of cost, and its speed is smaller than excursion.
The content of the invention
To solve above technical problem, the invention provides a kind of reverse-flow type power coupling transmission system, can reduce
Cost, manufacture is easy for installation simultaneously, play the speed for widening transmission device than excursion, improve overall transmission efficiency, enhancing vapour
The effect of car power.
To achieve the above object, technical solution of the present invention is as follows：
A kind of reverse-flow type power coupling transmission system, including：
Engine；
Motor；
Constant-speed ratio transmission device, it includes input gear and output gear；
Planetary row device, it includes sun gear, the gear ring being co-axially located on the outside of the sun gear, is engaged on sun gear and tooth
Planetary gear between circle and the planet carrier being connected on the planetary gear；
Power take-off mechanism, it is used for power output caused by gear ring, it is characterised in that：
Also include metal tape stepless speed-regulating device, it includes driving pulley group and driven pulley group, and connecting the two
Metal tape；
The engine is connected through clutch with driving pulley group, and input gear is connected with driving pulley group, and can be with it
Synchronous axial system, driven pulley group are fixedly connected through driven shaft B with sun gear, output gear kink on driven shaft B, and with row
Carrier is fixedly connected, and the motor input shaft of planet carrier and motor is connected.
Using above scheme, can be achieved double dynamical coupling and power output, and by metal tape stepless time adjustment device come
The function of hybrid power backflow speed governing is realized, so that transmission system has wider speed than excursion, and higher biography
Efficiency of movement, simultaneously as being single motor single planet row structure, overall structure is simplified, reduces manufacturing cost.
As preferred：The power take-off mechanism includes primary speed-down driven gear and output shaft, and output shaft subtracts with one-level
Fast driven gear is fixedly connected, and primary speed-down driven gear engages with gear ring.Using above structure, pass through primary speed-down driven tooth
The power of gear ring transmission is passed to output shaft by wheel, is directly driven tumbler, can further be realized the control to rotating speed.
As preferred：Be provided with idler gear between the input gear and output gear, the idler gear respectively with input
Gear and output gear engage.Using above structure, the rotation direction of output gear and the rotation direction of input gear can be made
It is consistent.
As preferred：The metal tape stepless speed-regulating device, constant-speed ratio transmission device and planetary row device three put down successively
Row is set.Using above structure, the space-consuming of whole transmission device can be saved, is installed more compact.
As preferred：The engine input shaft of the engine is fixedly connected with the driving disc spacing pressing of clutch, clutch from
Driven shaft A is fixedly connected with Moving plate, driving pulley group and input gear are set on the driven shaft A.Use with top
Case, pass through a power transmission shaft A, you can the synchronous axial system of driving pulley group and input gear is realized, it is quick and easy for installation.
As preferred：The output gear is coaxially disposed with driven pulley group, and output gear is through connecting bushing and planet carrier
It is fixedly connected, the connecting bushing is movably set on driven shaft B.Output gear is connected by connecting bushing with planet carrier, and
Connecting bushing can be directly set on driven shaft B, and output gear does not need extra supporting construction, make apparatus structure more compact,
Save space.
Compared with prior art, the beneficial effects of the invention are as follows：
Using reverse-flow type power coupling transmission system provided by the invention, pure electronic, pure engine, joint driving can be achieved
And four kinds of operating modes of regenerative braking, and because introducing metal tape stepless speed-regulating device, can be real when can carry out each operating mode
Existing power backflow, so as to improve overall transmission efficiency, speed is widened than excursion, simplifies device, reduces manufacturing cost, improve peace
Efficiency, and install compact are filled, saves space-consuming.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the pure engine operating condition power flow figure of embodiment illustrated in fig. 1；
Fig. 3 is the pure motor operating mode power flow figure of embodiment illustrated in fig. 1；
Fig. 4 is embodiment illustrated in fig. 1 joint driving operating mode power flow figure；
Fig. 5 is embodiment illustrated in fig. 1 engine charging operating mode power flow figure；
Fig. 6 is embodiment illustrated in fig. 1 regenerative braking operating mode power flow figure.
Embodiment
The invention will be further described with accompanying drawing with reference to embodiments.
Referring to figs. 1 to the reverse-flow type power coupling transmission system shown in Fig. 6, mainly include generator 1, clutch 3, motor
11st, constant-speed ratio transmission device, planetary row device, power take-off mechanism and metal tape stepless speed-regulating device, wherein constant-speed ratio are driven
Device, planetary row device and metal tape stepless speed-regulating device be arranged in parallel successively.
Constant-speed ratio transmission device includes input gear 6, output gear 7, and the idler gear 7 being disposed there between,
Idler gear 7 with both sides engaged simultaneously with input gear 6 and output gear 7 respectively, shape of the idler gear 7 as a steering wheel
Formula is present therebetween, and making input gear 6 and output gear 7, rotation direction is always consistent at work.
Planetary row device includes gear ring 9, planetary gear 13, sun gear 14 and planet carrier 15, and gear ring 9 is coaxially set with sun gear 14
Put, planetary gear 13 is engaged simultaneously with sun gear 14 and gear ring 9, and planetary gear 13 is solidly set on planet carrier 15.
Metal tape stepless speed-regulating device includes driving pulley group 4 and driven pulley group 19, and the two connects reality by metal tape 5
Now rotate linkage.
With reference to figure 1, the input shaft 2 of engine 1 is fixedly connected with the driving disc spacing pressing of clutch 3, is fixedly connected with clutch 3
Driven shaft A20, input gear 6 are fixed and are set in the one end of driven shaft A20 away from clutch 3, and driving pulley group 4 is set in driven
On axle A20, and between input gear 6 and clutch 3.
Driven pulley group 19 is fixedly connected by driven shaft B18 with sun gear 14, and the two is realized synchronous by driven shaft B18
Rotate, output gear 17 is fixedly connected by connecting bushing 16 with planet carrier 15, as illustrated, output gear 17 is solidly set on connection
On axle sleeve 16, output gear 17 is coaxially disposed with driven pulley group 19, then connecting bushing 16 is movably set on driven shaft B18,
It so can then make to realize synchronous axial system between output gear 17 and planet carrier 15, output gear 17 passes through axle with connecting bushing 16
Kink is held on driven shaft B18, certain supporting role can be played to it, while rotation process is not present and interfered, and makes structure
More aobvious compact, output gear 17, connecting bushing 16 and the resistance to compression of planet carrier 15 are made of one, and can also be fixed by modes such as welding
Connection.
The one end of planet carrier 15 away from output gear 17 is fixedly connected with the motor input shaft 12 of motor 11, can so be made
Output gear 17, planetary gear 15 and motor input shaft 12 are realized by planet carrier 15 rotates linkage.
Power take-off mechanism includes primary speed-down driven gear 8 in the present embodiment, and solid with primary speed-down driven gear 8
Surely the output shaft 10 connected, reduction driven gear 8 engage with gear ring 9, then when gear ring 9 rotates output shaft 10 can be driven to rotate, from
And driving output shaft 10 to rotate, rotative power is applied to the wheel shaft of automobile by output shaft 10 again, realizes power transmission, certainly this
Rotate and reversible.
The main working process of the system is as follows：
With reference to figure 1, the flow signal of pure engine operating condition, i.e. system are that the offer output of output shaft 10 is dynamic by engine 1
Power, now motor 11 do not work, clutch 3 engages, engine 1 export most of power conveying flow it is as follows, through engine
2 → clutch of input shaft, 3 → driven shaft A20 → 17 → connecting bushing of input gear 6 → idler gear, 7 → output gear 16 → OK
8 → output shaft of carrier 15 → planetary gear, 13 → gear ring, 9 → primary speed-down driven gear 10, finally reaches differential mechanism through decelerating to,
Running car is driven by semiaxis, while by the shunting action of planetary row device；
Another part power plays speed-regulating function by the backflow of metal tape 5, and idiographic flow is as follows：13 → sun of planetary gear
14 → driven shaft of wheel B18 → driven pulley group 19 → metal tape, 5 → driving pulley group, 4 → driven shaft A20 → input gear 6 → in
Between 15 → planetary gear of gear 7 → output gear, 17 → connecting bushing, 16 → planet carrier 13, so move in circles, because main belt
Wheel 4 and input gear 6 are solidly set on driven shaft A20, are played speed-regulating function instead of motor 11 by metal tape 5, are made engine 1
Worked in best operating point；
The fast ratio of vehicle is under such a operating mode：
Wherein igFor system speed ratio, noWith niRespectively system input speed and output speed, i.e. engine input shaft 2 with
The rotating speed of output shaft 8, α are planetary row device structural parameters, and i is the fast ratio of metal tape 5, ifFor constant-speed ratio transmission device speed ratio.
Under this operating mode, motor 11 does not work, and engine 1 drives automobile, and if the now SOC value of battery of motor 11
When too low, engine 1 can give automobile generating with drive motor 11, it is ensured that automobile power is sufficient, and its charging process is as shown in Figure 5：
Engine 1 charges, and operating mode power flow is substantially similar with pure engine driving procedure of operating mode, and engine 1 exports big portion
Power is divided to pass through 2 → clutch of engine input shaft, 3 → driven shaft A20 → 6 → idler gear of input gear, 7 → output gear 17
8 → output shaft of → connecting bushing 16 → planet carrier, 15 → planetary gear, 13 → gear ring, 9 → primary speed-down driven gear 10, final warp
Decelerate to and reach differential mechanism, running car is driven by semiaxis；
Pass through 15 → motor of planet carrier input shaft 12 → electricity by the shunting action of planetary row device, a part of power simultaneously
Machine 11, so as to which final drive motor generates electricity；Some power is circulating power, by 13 → sun gear of planetary gear 14 →
Driven shaft B18 → driven pulley group 19 → metal tape, 5 → driving pulley group, 4 → driven shaft A20 → 6 → idler gear of input gear
7 → output gear, 17 → connecting bushing, 16 → planet carrier, 15 → planetary gear 13, so circulated always in internal system, so as to carry
High transmission efficiency.
With reference to figure 3, now clutch 3 disconnects, and engine 1 does not work, and system only has motor 11 to provide power, such a operating mode
Lower power flow is as follows：
The power output part of motor 11 subtracts through motor input shaft 12 → planet carrier, 15 → planetary gear, 13 → gear ring, 9 → one-level
Fast 8 → output shaft of driven gear 10, finally it is used to drive running car through differential mechanism to semiaxis；Another part fills by planet row
The shunting put realizes that power flows back, and detailed process is as follows：15 → connecting bushing of motor 11 → motor, 12 → planet carrier of input shaft 16
→ output gear 17 → idler gear, 7 → input gear, 6 → driven shaft A20 → driving pulley group 4 → metal tape, 5 → driven pulley
19 → driven shaft of group B18 → 14 → planetary gear of sun gear, 13 → planet carrier 15, so power is transmitted in backflow always, improves and transmits effect
Rate and utilization rate；
Vehicle speed ratio is under such a operating mode：
With reference to figure 4, position joint drives operating mode, now motor 11 and the cooperation of engine 1, the power flow of engine 1
It is as follows：Engine 1 → motor, 2 → clutch of input shaft, 3 → driven shaft A20 → 6 → idler gear of input gear 7 → output
17 → connecting bushing of gear, 16 → planet carrier 15；
The power of motor 11 reaches planet carrier 15 by motor input shaft 12, and (bag is coupled at all power planet carriers 15
Backflow power caused by including), the power collaborated afterwards has two flow directions：Most of power by 15 → planetary gear of planet carrier 13 →
8 → output shaft of gear ring 9 → primary speed-down driven gear 10, finally by the deceleration of final gear, differential mechanism is reached, it is final to pass
Automobile output axle shaft and tire are handed to, to drive running car；Another part power by 15 → planetary gear of planet carrier 13 →
14 → driven shaft of sun gear B18 → driven pulley group 19 → metal tape, 5 → driving pulley group 4, realized and sent out by driven shaft A20
The power interflow of motivation 1, together by input gear 6 → idler gear, 7 → output gear, 17 → connecting bushing, 16 → planet carrier
15 → planetary gear 13, this Partial Power are backflow power, are circulated always in system.
Under such a operating mode, motor 11 and the cooperation of engine 1, its rotating speed is a kind of torque coupling there is proportionate relationship
The relation of conjunction, its proportionate relationship are as follows：
ne=nm·if
In formula, neFor the rotating speed of engine 1, nmFor the rotating speed of motor 11.
The now power direct-coupling of motor 11 and engine 1, rotating speed is in proportionate relationship, and the assisted engine 1 of motor 11 enters
Row output, and by the regulation of metal tape 5, the efficiency of engine 1 is can reach most preferably.
It is that i.e. outer tire rotating speed is too fast with respect to output shaft 10, then the phase of output shaft 10 under regenerative braking operating mode with reference to figure 6
To reversion, so as to drive primary speed-down driven gear 8 to rotate, planetary row device is done work, makes its reversion, when the battery of motor 11
When SOC value is too low, then in the rotation process of drive motor input shaft 12, meeting drive motor 11 can generate electricity planet carrier 15.
The hair flow of such a operating mode is as follows：
Power is from output shaft 10 → primary speed-down driven gear 8 → gear ring, 9 → planetary gear, 13 → planet carrier, 15 → motor
12 → motor of input shaft 11, this Partial Power generate electricity available for drive motor 11, and also sub-fraction power is from planetary gear 13
→ sun gear 14 → output shaft, 18 → driven pulley group 19 → metal tape, 5 → driving pulley group, 4 → driven shaft A20 → input gear
6 → idler gear, 7 → output gear, 17 → connecting bushing, 16 → planet carrier, 15 → planetary gear 13, so moves in circles always,
And motor generates electricity
By above-mentioned several operating modes it will be seen that the transmission system of the present embodiment has wider ratio coverage,
Although traditional metal tape 5 is an inefficient part, it is shared in whole power source to work as the speed governing power that metal tape 5 transmits
Ratio it is smaller when, most of power of driving vehicle traveling will be realized by more efficient engaged transmission, so it is avoided that
The problem of transmission efficiency of metal tape 5 is relatively low, by taking pure electronic operating mode as an example, the efficiency calculation formula of whole transmission system is：
In formula, α is planetary row device structural parameters, ifFor constant-speed ratio transmission device speed ratio, ηcvtAdjusted for metal tape without very fast
Unit efficiency.
The system solves conventional metal belt 5 compared with tradition is based on the hybrid architecture of CVT formulas, by reflux
The shortcomings that ratio coverage is small, compared with the fluid torque-converter of common increase now one this solution, reduce production system
This is caused, improves transmission efficiency, and system compact, it is quick and easy for installation.
Finally it should be noted that foregoing description is only the preferred embodiments of the present invention, the ordinary skill people of this area
Member on the premise of without prejudice to present inventive concept and claim, can make table as multiple types under the enlightenment of the present invention
Show, such conversion is each fallen within protection scope of the present invention.
Claims (6)
1. a kind of reverse-flow type power coupling transmission system, including：
Engine (1)；
Motor (11)；
Constant-speed ratio transmission device, it includes input gear (6) and output gear (17)；
Planetary row device, it includes sun gear (14), the gear ring (9) being co-axially located on the outside of the sun gear (14), is engaged on too
Sun takes turns the planetary gear (13) between (14) and gear ring (9) and the planet carrier (15) being connected on the planetary gear (13)；
Power take-off mechanism, it is used for power output caused by gear ring (9), it is characterised in that：
Also including metal tape stepless speed-regulating device, it includes driving pulley group (4) and driven pulley group (19), and both connection
Metal tape (5)；
The engine (1) is connected through clutch (3) with driving pulley group (4), and input gear (6) connects with driving pulley group (4)
Connect, and synchronous can rotate, driven pulley group (19) is fixedly connected through driven shaft B (18) with sun gear (14), output gear
(17) kink is fixedly connected on driven shaft B (18), and with planet carrier (15), and the motor of planet carrier (15) and motor (11) is defeated
Enter axle (12) to be connected.
2. reverse-flow type power coupling transmission system according to claim 1, it is characterised in that：The power take-off mechanism bag
Primary speed-down driven gear (8) and output shaft (10) are included, output shaft (10) is fixedly connected with primary speed-down driven gear (8), and one
Level reduction driven gear (8) engages with gear ring (9).
3. reverse-flow type power coupling transmission system according to claim 1, it is characterised in that：The input gear (6) and
Be provided with idler gear (7) between output gear (17), the idler gear (7) respectively with input gear (6) and output gear (17)
Engagement.
4. reverse-flow type power coupling transmission system as claimed in any of claims 1 to 3, it is characterised in that：It is described
Metal tape stepless speed-regulating device, constant-speed ratio transmission device and planetary row device three be arranged in parallel successively.
5. reverse-flow type power coupling transmission system according to claim 4, it is characterised in that：The hair of the engine (1)
Motivation input shaft (2) is fixedly connected with the driving disc spacing pressing of clutch (3), and driven shaft A is fixedly connected with the clutch plate of clutch (3)
(20), driving pulley group (4) and input gear (6) are set on the driven shaft A (20).
6. reverse-flow type power coupling transmission system according to claim 4, it is characterised in that：The output gear (17) with
Driven pulley group (19) is coaxially disposed, and output gear (17) is fixedly connected through connecting bushing (16) with planet carrier (15), the company
Spindle set (16) is movably set on driven shaft B (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710820144.5A CN107627832A (en) | 2017-09-08 | 2017-09-08 | Reverse-flow type power coupling transmission system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710820144.5A CN107627832A (en) | 2017-09-08 | 2017-09-08 | Reverse-flow type power coupling transmission system |
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| CN107627832A true CN107627832A (en) | 2018-01-26 |
Family
ID=61099827
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| CN201710820144.5A Pending CN107627832A (en) | 2017-09-08 | 2017-09-08 | Reverse-flow type power coupling transmission system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435674A (en) * | 2018-10-24 | 2019-03-08 | 大乘汽车有限公司 | A kind of hybrid power stepless speed change device and its control method |
| CN109624687A (en) * | 2019-01-29 | 2019-04-16 | 重庆大学 | A kind of single motor hybrid power system based on stepless transmission |
| CN110735904A (en) * | 2019-10-23 | 2020-01-31 | 重庆大学 | Self-adaptive hydraulic mechanical transmission system of loader |
| CN110834533A (en) * | 2018-08-17 | 2020-02-25 | 上海汽车集团股份有限公司 | CVT-based hybrid power transmission system and hybrid power vehicle with same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109624687B (en) * | 2019-01-29 | 2021-10-22 | 重庆大学 | Single-motor hybrid power system based on continuously variable transmission |
| CN110735904A (en) * | 2019-10-23 | 2020-01-31 | 重庆大学 | Self-adaptive hydraulic mechanical transmission system of loader |
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Application publication date: 20180126 |