CN207683320U - A kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions - Google Patents

A kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions Download PDF

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Publication number
CN207683320U
CN207683320U CN201721696044.8U CN201721696044U CN207683320U CN 207683320 U CN207683320 U CN 207683320U CN 201721696044 U CN201721696044 U CN 201721696044U CN 207683320 U CN207683320 U CN 207683320U
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China
Prior art keywords
motor
planet
row
hollow shaft
mixing
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CN201721696044.8U
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Inventor
张松
吴天华
毛正松
吴苾曜
欧阳石坤
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Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

Abstract

The utility model discloses a kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions, include the input shaft being connected with engine and first motor, second motor and output shaft, the first motor and the second motor is longitudinally arranged in juxtaposition in the side of the engine, further include the first planet row and the second planet row being connected with each other, first planet row is connected by the first hollow shaft with the first motor, second planet row is connected by the second hollow shaft with second motor, the input shaft end is equipped with the planet carrier being connected with first planet row, the output shaft is connected with second planet row.The transmission structures of the utility model are compact, transmission efficiency higher, integrated level higher, with lockable mechanism, different patterns can be switched, without additional deceleration mechanism is arranged again, it is easy to be laid out, reduces parts, reduces cost, bi-motor and planet row is set to share cooling system, it is easily controllable.

Description

A kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions
Technical field
The utility model is related to automobile hybrid power drive technology fields, more specifically, it relates to a kind of double planet wheel rows of mixing Bi-motor integrated form hybrid transmissions.
Background technology
Due to energy shortage and the enhancing of Public environmental attitude, environmentally friendly electric vehicle or fuel cell cycling are just applied And give birth to, however due to the restriction of technology, the automobile of the above-mentioned type is also difficult to popularize in an all-round way in a short time, therefore, technically compares More ripe hybrid vehicle is a kind of current more satisfactory selection.
Hybrid vehicle (HEV) is in a kind of fluffy as a kind of emerging energy-efficient, environment-friendly automobiles, technology and market Vigorous developing stage, for hybrid vehicle compared with orthodox car and pure electric automobile, maximum differential is dynamical system.For parallel connection With series parallel type HEV, dynamic coupling system is responsible for multiple power combinations of HEV together, realizing rational work(between multi power source Rate distributes and power is transmitted to drive axle, it is in critical role in HEV exploitations, and performance is directly related to HEV vehicles Whether can reach design requirement, be the most crucial parts HEV.Planetary gear train has the flexible controllable spy of multiple degrees of freedom, input and output Point, and it is compact-sized, small, speed ratio is big, therefore used by more and more hybrid electric vehicle power coupled systems, This is also a kind of trend of current hybrid power automobile power assembly development.
Toyota in 1997 releases first hybrid vehicle Prius, is proposed again within 2005 and carries newest third generation electromechanics 2006 sections of Prius of hybrid power system still use THS dynamic branch formula structures, output of the planetary gear system to engine Power is redistributed, and achievees the purpose that reasonable balance engine meets.It is Toyota Prius hybrid power shown in attached drawing 1 The actuating unit structure principle chart of car, including engine E, motor MG1, motor MG2 and including a single planetary row The components such as dynamic coupling system, in this mechanism, engine E is connected by damper with the planet carrier a of single planetary row, And external toothing c and sun gear d are imparted power to by planetary gear b, external toothing c is connected with output shaft, and output shaft is by subtracting Fast gear set e is connected with the rotor of motor MG2, and sun gear d is connected with the rotor of motor MG1, and output shaft passes through chain drive system F, main reducing gear g and differential mechanism h impart power to wheel.Engine E major part torques are directly delivered to defeated by the system On shaft, fraction torque is transmitted to motor MG1 for power generation, the electric energy that motor MG1 is sent out is filled according to instruction for battery Electricity or driving motor MG2, to increase driving force.This structure can be by regulation motor MG1 torque and rotating speed, allow engine It is constantly in high efficient area or Low Emission Zone, in addition, the rotating speed by adjusting each element of planet row, makes it as contiuously variable transmission one Sample works.
However, two motors MG1, MG2 due to above-mentioned actuating unit are arranged in the both sides of single planetary row, department of electrical engineering Integrated level of uniting is low, and using single planetary row, reduction ratio is low, high to the rotation speed change range of motor, torque request, to motor It is whole to require height.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, provide it is a kind of it is compact-sized, The higher double planet wheel rows of mixing motor integrated form hybrid transmissions with locking mechanism of transmission efficiency higher, integrated level.
The technical solution of the utility model is such:A kind of double planet wheel rows of mixing bi-motor integrated form hybrid power transmission dress It sets, includes the input shaft being connected with engine and first motor, the second motor and output shaft, the first motor and second Motor is longitudinally arranged in juxtaposition in the side of the engine, further includes the first planet row and the second planet row being connected with each other, institute The first planet row stated is connected by the first hollow shaft with the first motor, and second planet row is hollow by second Axis is connected with second motor, and the input shaft end is equipped with the planet carrier being connected with first planet row, described Output shaft be connected with second planet row.
As a further improvement, first planet row includes intermeshing first sun gear and the first planet Wheel, second planet row includes the second sun gear, the second planetary gear and gear ring engaged successively, first planetary gear It engages and is connected with second planetary gear.
Further, first sun gear is connected with first hollow shaft, first planetary gear and institute The planet carrier stated is connected.
Further, second sun gear is connected with second hollow shaft, the gear ring with it is described defeated Shaft is connected.
Further, first hollow shaft and the second hollow shaft are coaxially arranged with the input shaft respectively, and institute The second hollow shaft sleeve stated is located in first hollow shaft.
Further, further include shell, the first motor, the second motor, the first planet row, the second planet row, One hollow shaft and the second hollow shaft are respectively positioned in the shell.
Further, the first lock being connected with first hollow shaft is equipped between the first motor and the second motor Only clutch, first lock-up clutch are connected with the shell.
Further, second to be connected with second planetary gear is equipped between second motor and the second planet row Lock-up clutch, second lock-up clutch are connected with the shell.
Advantageous effect
The utility model compared with prior art, have the advantage that for:
1, the transmission structures of the utility model are compact, transmission mechanism using double planet wheel rows of mixing, and stepless change may be implemented Speed, transmission efficiency higher, integrated level higher are easy to be laid out, reduce parts, drop without additional deceleration mechanism is arranged again Low cost;
2, it is transmitted to output after three engine of the utility model, first motor and the second motor torque couplings inputted End, by the combination of actions of two lock-up clutches, allows hand over different operating modes and combinations of states, realizes a variety of differences Output mode;
3, the utility model is surrounded bi-motor and planet row by shell, and drive mechanism is made to be in a closed shape State can make the two share cooling and lubricating system, be easy to be laid out, and control is simple and reliable;
4, two motors of the utility model are longitudinally arranged in parallel at the side of engine, reduce the sky of transmission device Between, while satisfaction transmission needs, so that transmission device is more minimized, high speed, is easy to make and control;
5, the input shaft of the utility model, the first hollow shaft and the second hollow shaft are coaxially arranged, can improve power transmission Stability, effectively extend transmission device service life.
Description of the drawings
Fig. 1 is the structure principle chart of the prior art;
Fig. 2 is the structure principle chart of the utility model.
Wherein:1- engines, 2- input shafts, 3- first motors, the second motors of 4-, the first hollow shafts of 5-, 6- second are hollow Axis, 7- planet carriers, the first sun gears of 8-, the first planetary gears of 9-, the second sun gears of 10-, the second planetary gears of 11-, 12- gear rings, 13- First lock-up clutch, the second lock-up clutches of 14-, 15- shells, 16- output shafts.
Specific implementation mode
Specific embodiment in below in conjunction with the accompanying drawings is described further the utility model.
Referring to Fig.2, a kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions of the utility model, including with hair The connected input shaft 2 and first motor 3 of motivation 1, the second motor 4 and output shaft 16, wherein first motor 3 and the second motor 4 Longitudinal direction is arranged in juxtaposition in the side of engine 1, which further includes the first planet row and the second planet row being connected with each other, Two planet rows are respectively positioned on the outside of the second motor 4, and the ranking of the first planet is in the outside of the second planet row, make engine 1, the One motor 3, the second motor 4 and the second planet row, the first planet row are arranged in order, and reduce the space of transmission device, are met and are passed It is dynamic while need, so that transmission device more minimize, high speed, is easy to make and control, it is empty that the first planet row passes through first Mandrel 5 is connected with first motor 3, and the second planet row is connected by the second hollow shaft 6 with the second motor 4, the first hollow shaft 5 and Two hollow shafts 6 are coaxially arranged with input shaft 2 respectively, and the second hollow shaft 6 is set in the first hollow shaft 5, can improve power The stability of transmission, effectively extends the service life of transmission device, and the end of input shaft 2 is equipped with the row being connected with the first planet row Carrier 7, output shaft 16 are connected with the second planet row, and the power of engine 1 is inputted by input shaft 2, first motor 3 and the second electricity The power of machine 4 is inputted by the first hollow shaft 5 and the second hollow shaft 6, and finally, the power of three is transmitted to by the first planet row Output shaft 16.
Specifically, the first planet row includes 8 and first planetary gear 9 of intermeshing first sun gear, the first planetary gear 9 In the periphery of the first sun gear 8, and the two is coaxially arranged, and the second planet row includes the second sun gear 10, second engaged successively Planetary gear 11 and gear ring 12, the second planetary gear 11 is between the second sun gear 10 and gear ring 12, and three is coaxially arranged, In, the second planetary gear 11 is the inside and outside gear with the gear teeth, and the first planetary gear 9 is plugged in the second planetary gear 11, and the first row Star-wheel 9 is engaged with the second planetary gear 11 to be connected, and the first sun gear 8 is connected with the first hollow shaft 5, the first planetary gear 9 and planet carrier 7 It is connected, the second sun gear 10 is connected with the second hollow shaft 6, and gear ring 12 is connected with output shaft 16, and the power of engine 1 passes sequentially through Input shaft 2, planet carrier 7, the first planetary gear 9, the second planetary gear 11 and gear ring 12 are transmitted to the output of output shaft 16;First motor 3 Power pass sequentially through the first hollow shaft 5, the first sun gear 8, the first planetary gear 9, the second planetary gear 11 and gear ring 12 and be transmitted to Output shaft 16 exports;The power of second motor 4 passes sequentially through the second hollow shaft 6, the second sun gear 10, the second planetary gear 11 and tooth Circle 12 is transmitted to the output of output shaft 16.The transmission structures of the utility model are compact, transmission mechanism using double planet wheel rows of mixing, can To realize that variable speed, transmission efficiency higher, integrated level higher are easy to be laid out, reduce without additional deceleration mechanism is arranged again Parts, reduce cost.
In the present embodiment, which further includes shell 15, first motor 3, the second motor 4, the first planet row, second Planet row, the first hollow shaft 5 and the second hollow shaft 6 are respectively positioned in shell 15, and drive mechanism is made to be in a closed state, energy So that the two is shared cooling and lubricating system, be easy to be laid out, control is simple and reliable.
The first lock-up clutch 13 being connected with the first hollow shaft 5 is equipped between first motor 3 and the second motor 4, the One lock-up clutch 13 is connected with shell 15;It is equipped between the second motor 4 and the second planet row and is connected with the second planetary gear 11 The second lock-up clutch 14, the second lock-up clutch 14 is connected with shell 15, wherein the first lock-up clutch 13 can be by One hollow shaft 5 is lockked, and to lock the first sun gear 8, prevents it from rotating, the second lock-up clutch 14 can be by the second planet Wheel 11 locks, make the second planetary gear 11 can only rotation, and cannot be rotated around the second sun gear 10.The engine 1 of the utility model, It is transmitted to output end after the torque coupling of 4 three inputs of first motor 3 and the second motor, passes through the action of two lock-up clutches Combination allows hand over different operating modes and combinations of states, realizes a variety of different output modes, specially:(1) starting and Pure electrician's operation mode when low speed:First lock-up clutch 13 is opened, and the second lock-up clutch 14 is closed, planet carrier 7 and shell 15 It links together, only the second motor 4 participates in driving, and torque passes through the second hollow shaft 6, the second sun gear 10, the second planet Wheel 11 and gear ring 12 export, and the first planetary gear 9 drives the idle running of the first sun gear 8;(2) acceleration and the pure electrician's operation mode in upper gentle slope: First lock-up clutch 13 is opened, and the second lock-up clutch 14 is closed, and planet carrier 7 links together with shell 15, first motor 3 Driving is participated in, torque is defeated by the first hollow shaft 5, the first sun gear 8, the first planetary gear 9, the second planetary gear 11 and gear ring 12 Go out, vehicle drives jointly there are two motor, and dynamic property and acceleration can significantly improve;(3) combination drive pattern:Work as high speed Or when accumulator electric-quantity deficiency, the first lock-up clutch 13 and the second lock-up clutch 14 open simultaneously, and engine 1 is just intervened Even in planet tooth row, at this time the second motor 4 is in the case where keeping original output power, it is only necessary to first motor 3 into Row speed governing can drive engine 1 to start by planet carrier 7, after engine 1 starts, can further increase speed, send out A part of torque of motivation 1 passes through first sun by 12 output driving wheel of gear ring, the extra torque of another part of engine 1 Wheel 8 transmission give first motor 3 generate electricity, 3 electricity of first motor according to speed for drive the second motor 4 carry out power-assisted or It charges a battery, engine 1 will not all be at any time that battery charges, on condition that be maintained at fuel economy best for engine 1 In rotating speed section, additional energy just can be used for generating electricity adding in battery pack or to 4 power-assisted of the second motor;(4) engine Pattern is operated alone:When needing hypervelocity, the first lock-up clutch 13 is closed, and the second lock-up clutch 14 is opened, to first Motor 3 links together with shell 15, to ensure that the torque of engine 1 is all transmitted to gear ring 12, to improve transmission efficiency, The second motor 4 at this time is used as auxiliary power, so that it is guaranteed that engine 1 is in optimum Working always, to save the energy.
Above-described is only preferred embodiments of the present invention, it should be pointed out that those skilled in the art is come It says, under the premise of not departing from the utility model structure, several modifications and improvements can also be made, these all do not interfere with this reality With the effect and patent practicability of novel implementation.

Claims (8)

1. a kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions include the input shaft (2) being connected with engine (1) And first motor (3), the second motor (4) and output shaft (16), which is characterized in that the first motor (3) and the second electricity Machine (4) is longitudinally arranged in juxtaposition in the side of the engine (1), further includes the first planet row and the second planet being connected with each other Row, first planet row are connected by the first hollow shaft (5) with the first motor (3), second planet row It is connected with second motor (4) by the second hollow shaft (6), the input shaft (2) end is equipped with and the first row The connected planet carrier (7) of star row, the output shaft (16) are connected with second planet row.
2. a kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions according to claim 1, which is characterized in that First planet row includes intermeshing first sun gear (8) and the first planetary gear (9), the second planet row packet Include the second sun gear (10), the second planetary gear (11) and gear ring (12) engaged successively, first planetary gear (9) with it is described The second planetary gear (11) engagement be connected.
3. a kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions according to claim 2, which is characterized in that First sun gear (8) is connected with first hollow shaft (5), first planetary gear (9) and the planet Frame (7) is connected.
4. a kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions according to claim 2, which is characterized in that Second sun gear (10) is connected with second hollow shaft (6), the gear ring (12) and the output shaft (16) it is connected.
5. a kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions according to claim 2, which is characterized in that First hollow shaft (5) and the second hollow shaft (6) respectively coaxially arranged and described with the input shaft (2) second Hollow shaft (6) is set in first hollow shaft (5).
6. a kind of double planet wheel rows of mixing bi-motor integrated form hybrid power transmission dress according to any one of claim 2-5 It sets, which is characterized in that further include shell (15), the first motor (3), the second motor (4), the first planet row, the second row Star row, the first hollow shaft (5) and the second hollow shaft (6) are respectively positioned in the shell (15).
7. a kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions according to claim 6, which is characterized in that The first lock-up clutch being connected with first hollow shaft (5) is equipped between the first motor (3) and the second motor (4) (13), first lock-up clutch (13) is connected with the shell (15).
8. a kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions according to claim 6, which is characterized in that The second lock-up clutch being connected with second planetary gear (11) is equipped between second motor (4) and the second planet row (14), second lock-up clutch (14) is connected with the shell (15).
CN201721696044.8U 2017-12-08 2017-12-08 A kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions Active CN207683320U (en)

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CN201721696044.8U CN207683320U (en) 2017-12-08 2017-12-08 A kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions

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Application Number Priority Date Filing Date Title
CN201721696044.8U CN207683320U (en) 2017-12-08 2017-12-08 A kind of double planet wheel rows of mixing bi-motor integrated form hybrid transmissions

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112406515A (en) * 2019-08-23 2021-02-26 上海汽车集团股份有限公司 Power assembly and vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112406515A (en) * 2019-08-23 2021-02-26 上海汽车集团股份有限公司 Power assembly and vehicle

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