CN103802652A - Double-star-planet-gear three-mode electromechanical composite transmission device - Google Patents
Double-star-planet-gear three-mode electromechanical composite transmission device Download PDFInfo
- Publication number
- CN103802652A CN103802652A CN201410039982.5A CN201410039982A CN103802652A CN 103802652 A CN103802652 A CN 103802652A CN 201410039982 A CN201410039982 A CN 201410039982A CN 103802652 A CN103802652 A CN 103802652A
- Authority
- CN
- China
- Prior art keywords
- planet row
- row
- motor
- planet
- compound gearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a double-star-planet-gear three-mode electromechanical composite transmission device which comprises three planet gears, four operation elements and two motors. By means of cooperation of the four operation elements, three different work modes are achieved, and three fixed gears are available.
Description
Technical field
The present invention relates to a kind of driving device of vehicle, relate in particular to the three-mode power transmission device of a kind of motor vehicle driven by mixed power, particularly large-tonnage, heavily loaded motor vehicle driven by mixed power.
Background technology
Motor vehicle driven by mixed power, due to its good power performance and the economy performance, is applied more and more extensive.The motor vehicle driven by mixed power of domestic enterprise's exploitation has adopted the scheme of series and parallel connections more, but advanced motor vehicle driven by mixed power mostly adopts series parallel type power drive.Toyota Prius has obtained huge success, it is using planet circular system as power connecting mechanism, driving engine outputs power to a certain member of planet circular system, planet circular system by fixed proportion by torque distribution to electrical generator, electrical motor changes electric energy into mechanical energy, with the output torque laggard action edge output that superposes.Owing to having adopted planet circular system, can, in the situation that the speed of a motor vehicle changes, carry out regulator generator rotating speed by means of the electric energy generated of controlling electrical generator, thereby stablize engine speed, optimize engine behavior; Also can expand a whole set of transmission system output speed scope, thereby play the effect of similar toric transmission.
The scheme of Toyota Company is relatively applicable to being applied to C-class, for heavy-duty vehicle, the overland vehicle of usage condition complexity, if realize big power variable speed, needs to adopt more high-performance electrical generator, electrical motor.How reducing the power demand of electrical generator, electrical motor, improve drive train power density, reduce costs, is current large-tonnage, the heavily loaded hybrid electric vehicle technical issues that need to address.
Effective method is to adopt the electromechanical combined transmission system of multi-mode the most at present, the electromechanical combined transmission system of multi-mode utilizes the continuous conversion of motor self " generating/electronic " state, by coordinating of multiple electric motors and mechanical variable speed device, can be under the constant prerequisite of system input speed, segmentation continuously changes system output speed, realizes stepless shift function.
AM General company has proposed the double mode hybrid power scheme (patent No.: 5931757), a kind of three-mode power transmission device for motor vehicle driven by mixed power of China's patent (patent No.: ZL201110057445.X) is all applicable to large-tonnage, heavily loaded hybrid electric vehicle.The electromechanical compound gearing that the present invention proposes is different from such scheme, and apparatus structure form is succinct, compact, is easy to carry out engineering design.Three-mode electromechanical compound gearing of the present invention, through retrieving domestic and international patent, finds no the organization plan identical with the present invention.
Summary of the invention
Main purpose of the present invention is to provide a kind of double star row three-mode electromechanical compound gearing, both can be used for continuously tracked vehicle and also can be used for wheeled car, adopt two interior external toothing double star planet rows and a simple planet row to realize three-mode electromechanical compound gearing by the type of attachment of innovation, apparatus structure form is succinct, compact, is easy to carry out engineering design.
Object of the present invention can realize by following approach:
This programme is made up of three planet rows, four operating elements and two motor/generators, and wherein the first planet row and third planet row, for double star planet row, have respectively inside and outside two planetary wheels that are meshed.Realize three different mode of operations by the cooperating of four operating elements, can also realize in addition three static stalls.
Input power is delivered to the pinion carrier of the first planet row through idle pulley straight gear.The gear ring of the first planet row is connected with third planet row's sun wheel with the pinion carrier of the second planet row.The sun wheel of the first planet row is connected with the first motor/generator rotor, and is connected with the gear ring of the second planet row by first clutch.
The gear ring of the second planet row is also connected with the first drg except being connected with the first motor/generator rotor with the sun wheel of the first planet row by first clutch.The sun wheel of the second planet row is connected with the second motor/generator rotor, and is connected with third planet row's pinion carrier by second clutch.
Third planet row's pinion carrier is also connected with second brake except being connected with the second motor/generator rotor with the sun wheel of the second planet row by second clutch.Third planet row's gear ring is connected with the output shaft of straight speed change system.
The first motor/generator, the second motor/generator are connected with controller by wire, and controller is connected with closed-center system by wire.Closed-center system can be selected chemical storage batteries, also can select super capacitor or flying wheel battery etc.
Described drg is wet multi-disk brake, and described power-transfer clutch is multi-disc wet clutch.
Described the first motor/generator, the second motor/generator are permagnetic synchronous motor, and rotor is hollow shaft.
Advantage of the present invention is: have higher low speed high torque output characteristic, can meet the demand of vehicle climb very steep slopes; Can realize three different combination drive patterns by the operation of clutch brake, and between adjacent two patterns, can realize without fast differential force switching, output speed is continuously linear output under three mode of operations; Can select the motor that power is slightly little to drive, still can meet the requirement of vehicle power index.
One: the first drg of mode of operation and second brake combination, can export larger torque, meets that vehicle accelerates and the demand of climbing.
Mode of operation two: first clutch and second brake combination, be connected mutually with the maximum speed of mode of operation one, in can realizing, the low speed of a motor vehicle travels.
Mode of operation three: first clutch and second clutch combination, there is higher output speed, be applicable to the middle high speed of a motor vehicle and travel.
Three mode of operations have covered all vehicle speed ranges of vehicle, and meet the low speed climbing demand of vehicle.Due to the regulating action of power coupling mechanism, under each different speed of a motor vehicle, can be optimized match selection to the rotating speed of driving engine, improve the fuel economy of vehicle.
In addition, the present invention can also realize three static stalls, in the time that motor cannot normally be worked, can be used as third gear four-degree-of-freedom change speed gear box and uses.First clutch and the first drg, second brake combination simultaneously, realize one grade of fixing shelves; The combination simultaneously of first clutch, second clutch and second brake, realizes fixing shelves second gear; The combination simultaneously of first clutch, second clutch and the first drg, realizes fixing shelves third gear.Fixing shelves pattern can be used as the alternative scheme of vehicle under emergency work condition, also can travel for driven, to combination drive pattern and the switching of fixing shelves pattern, further improve the efficiency of driving system by control policy, obtain higher fuel economy.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of hybrid transmissions for implementing the present invention program.
Fig. 2 is EVT1 mode power flow diagram.
Fig. 3 is EVT2 mode power flow diagram.
Fig. 4 is EVT3 mode power flow diagram.
Fig. 5 is the rotation speed relation figure that implements the present invention program.
The specific embodiment
Figure 1 shows that a kind of electromechanical compound gearing representative embodiments for embodiment the solution of the present invention.This electromechanical compound gearing 60 is made up of three planet rows, two drgs and two power-transfer clutchs, two motor/generators, and wherein the first planet row and third planet row are double star planet row,, have respectively inside and outside two planetary wheels that are meshed that is.The rotor 82 of the first motor/generator 80 is connected with the sun wheel 29 of first planet row of electromechanical compound gearing electromechanical compound gearing 60, gear ring 31 by 60 second planet rows of first clutch 12 and electromechanical compound gearing electromechanical compound gearing is connected, and can brake by the first drg 13.The pinion carrier 33 of second planet row of the gear ring 28 of first planet row of electromechanical compound gearing electromechanical compound gearing and electromechanical compound gearing electromechanical compound gearing is connected and is connected with electromechanical compound gearing third planet row's sun wheel 36.The sun wheel 32 of second planet row of electromechanical compound gearing is connected with the rotor 92 of the second motor/generator 90, and is connected and also can brakes by Z second brake 15 with electromechanical compound gearing third planet row's pinion carrier 34 by second clutch 14.The gear ring 35 of the 3rd planet row of electromechanical compound gearing is connected with power take-off shaft 37.
Figure 2 shows that the power stream of straight variable part when this device adopts EVT1 pattern.Now the first drg 13 is braked with second brake 15, and first clutch 12 disconnects with second clutch 14.Engine power is inputted by the pinion carrier 27 of electromechanical compound gearing the first planet row, is exported respectively by sun wheel 29 and the gear ring 28 of electromechanical compound gearing the first planet row.The power of being exported by the sun wheel 29 of the first planet row flows into the first motor/generator 80, and now the first motor/generator 80 serves as electrical generator generating, and provides electric energy to the second motor/generator 90.The gear ring 28 of another route electromechanical compound gearing the first planet row is exported, and through electromechanical compound gearing the second planet row and third planet row, is exported by power take-off shaft 37.Meanwhile the second motor/generator 90 serves as output power of motor.This power enters electromechanical compound gearing third planet row through sun wheel 32 and the pinion carrier 33 of electromechanical compound gearing the second planet row, is finally exported by power take-off shaft 37.Under this pattern, vehicle can be exported larger torque, meets the demand of climbing large slope.
Figure 3 shows that the power stream of straight variable part when this device adopts EVT3 pattern.Now the first drg 13 separates with second clutch 14, first clutch 12 and second brake 15 combinations.Engine power is inputted by the pinion carrier 27 of electromechanical compound gearing the first planet row, is exported by the gear ring 28 of electromechanical compound gearing the first planet row.This road power is at electromechanical compound gearing the second planet row punishment stream.One tunnel enters electromechanical compound gearing third planet row and is finally exported by power take-off shaft 37.Another road power flows into the pinion carrier 33 of electromechanical compound gearing the second planet row, and now this power is divided into two parts.The power that a part is sent through gear ring 31 and first motor/generator 80 of electromechanical compound gearing the second planet row together flows into the sun wheel 29 of the first planet row.Another part is inputted the second motor/generator 90 through the sun wheel 32 of electromechanical compound gearing the second planet row by power, and now it provides electric energy as electrical generator and for the first motor/generator 80.This pattern be applicable to vehicle in the low speed of a motor vehicle travel.
Figure 4 shows that the power stream of straight variable part when this device adopts EVT2 pattern.Now the first drg 13 separates with second brake 15, first clutch 12 and second clutch 14 combinations.Engine power is inputted by the pinion carrier 27 of electromechanical compound gearing the first planet row, is exported by the gear ring 28 of electromechanical compound gearing the first planet row.This road power is at electromechanical compound gearing the second planet row punishment stream.One tunnel enters electromechanical compound gearing third planet row and is finally exported by power take-off shaft 37.Another road power flows into the pinion carrier 33 of electromechanical compound gearing the second planet row, and now this power is divided into two parts.A part flows into electromechanical compound gearing the first planet row through the gear ring 31 of electromechanical compound gearing the second planet row and the sun wheel 29 of electromechanical compound gearing the first planet row.The power that another part provides through sun wheel 32 and second motor/generator 90 of electromechanical compound gearing the second planet row converges through second clutch 14 and enters electromechanical compound gearing third planet row, is finally exported by power take-off shaft 37.Simultaneously the first motor/generator 80 absorbs the power generating of electromechanical compound gearing the first planet row sun wheel 29 of flowing through as electrical generator, and provides electric energy for the second motor/generator 90.This pattern is applicable to vehicle and travels in the middle high speed of a motor vehicle and maximum speed.
Figure 5 shows that the speed diagram of input link, output link and two motors while implementing the present invention program.
Certainly; the above is only one embodiment of the present invention; should be understood that those skilled in the art; under the premise without departing from the principles of the invention; can also make some improvements and modifications, within these improvements and modifications all belong to the protection domain of the claims in the present invention.
Claims (7)
1. a double star row three-mode electromechanical compound gearing, is made up of three planet rows, four operating elements and two motor/generators, it is characterized in that: wherein the first planet row and third planet row are double star planet row; This double star row three-mode electromechanical compound gearing is realized three different mode of operations by the cooperating of four operating elements, and between adjacent two patterns, can realize without fast differential force and switching, output speed is continuously linear output under three mode of operations; In addition, this double star row three-mode electromechanical compound gearing also has three static stalls.
2. double star row three-mode electromechanical compound gearing according to claim 1, is characterized in that: input power is delivered to the pinion carrier of the first planet row through idle pulley straight gear; The gear ring of the first planet row is connected with third planet row's sun wheel with the pinion carrier of the second planet row; The sun wheel of the first planet row is connected with the first motor/generator rotor, and is connected with the gear ring of the second planet row by first clutch;
The gear ring of the second planet row is also connected with the first drg except being connected with the first motor/generator rotor with the sun wheel of the first planet row by first clutch; The sun wheel of the second planet row is connected with the second motor/generator rotor, and is connected with third planet row's pinion carrier by second clutch;
Third planet row's pinion carrier is also connected with second brake except being connected with the second motor/generator rotor with the sun wheel of the second planet row by second clutch; Third planet row's gear ring is connected with the output shaft of this double star row three-mode electromechanical compound gearing.
3. double star row three-mode electromechanical compound gearing according to claim 1 and 2, is characterized in that: the first motor/generator, the second motor/generator are connected with controller by wire, and controller is connected with closed-center system by wire.
4. double star row three-mode electromechanical compound gearing according to claim 1 and 2, is characterized in that: closed-center system is chemical storage batteries, or super capacitor or flying wheel battery.
5. double star row three-mode electromechanical compound gearing according to claim 1 and 2, is characterized in that: described drg is wet multi-disk brake, and described power-transfer clutch is multi-disc wet clutch.
6. double star row three-mode electromechanical compound gearing according to claim 1 and 2, is characterized in that: described the first motor/generator, the second motor/generator are permagnetic synchronous motor, and rotor is hollow shaft.
7. double star row three-mode electromechanical compound gearing according to claim 1 and 2, is characterized in that: described driving engine is diesel motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039982.5A CN103802652B (en) | 2014-01-26 | 2014-01-26 | Double-star-planet-gear three-mode electromechanical composite transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039982.5A CN103802652B (en) | 2014-01-26 | 2014-01-26 | Double-star-planet-gear three-mode electromechanical composite transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103802652A true CN103802652A (en) | 2014-05-21 |
| CN103802652B CN103802652B (en) | 2015-07-08 |
Family
ID=50700204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410039982.5A Expired - Fee Related CN103802652B (en) | 2014-01-26 | 2014-01-26 | Double-star-planet-gear three-mode electromechanical composite transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103802652B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106183784A (en) * | 2016-08-30 | 2016-12-07 | 山东科技大学 | A kind of oil electric mixed dynamic automatic transmission and method of work thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5168946A (en) * | 1991-09-09 | 1992-12-08 | General Electric Company | Track-laying vehicle electric drive system |
| CN102229319A (en) * | 2011-04-26 | 2011-11-02 | 中国北方车辆研究所 | Electromechanical compound transmission device of tracked vehicle |
| CN102514477A (en) * | 2011-12-27 | 2012-06-27 | 东北大学 | Planet coupled hybrid system for caterpillar and control method for same |
| CN103465777A (en) * | 2013-07-22 | 2013-12-25 | 北京理工大学 | Double-differential electromechanical compound transmission device for crawler vehicle |
-
2014
- 2014-01-26 CN CN201410039982.5A patent/CN103802652B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5168946A (en) * | 1991-09-09 | 1992-12-08 | General Electric Company | Track-laying vehicle electric drive system |
| CN102229319A (en) * | 2011-04-26 | 2011-11-02 | 中国北方车辆研究所 | Electromechanical compound transmission device of tracked vehicle |
| CN102514477A (en) * | 2011-12-27 | 2012-06-27 | 东北大学 | Planet coupled hybrid system for caterpillar and control method for same |
| CN103465777A (en) * | 2013-07-22 | 2013-12-25 | 北京理工大学 | Double-differential electromechanical compound transmission device for crawler vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106183784A (en) * | 2016-08-30 | 2016-12-07 | 山东科技大学 | A kind of oil electric mixed dynamic automatic transmission and method of work thereof |
| CN106183784B (en) * | 2016-08-30 | 2018-06-05 | 山东科技大学 | A kind of oil electric mixed dynamic automatic transmission and its method of work |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103802652B (en) | 2015-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102102740B (en) | Electromechanical compound gearing of hybrid vehicle | |
| CN104786818A (en) | Hybrid electric vehicle series-parallel type double-planetary-gear-train dynamic coupling device and method | |
| CN207809033U (en) | Hybrid electric drive system and vehicle | |
| CN203793111U (en) | Hybrid power driving system and power coupler | |
| CN102582454B (en) | Range-extended driving assembly for battery electric vehicle | |
| CN103786564A (en) | Driving device of hybrid electric vehicle | |
| CN204161081U (en) | A kind of range extended electric vehicle power system in parallel | |
| CN204567263U (en) | Hybrid vehicle series parallel type double-planet train dynamic coupling device | |
| CN111452608A (en) | Hybrid power transmission and electric drive device based on compound planetary gear train | |
| CN102815199B (en) | Electromechanical composite stepless transmission device for wheeled load-carrying vehicle with birotor motor | |
| CN104723857A (en) | Hybrid power transmission, hybrid power driving system and hybrid power vehicle | |
| CN204161082U (en) | A kind of stroke-increasing electric automobile dynamic assembly | |
| CN203221880U (en) | Dual-motor multimode coupling driving assembly | |
| CN110949111B (en) | Double-rotor motor and Ravigneaux planetary gear train serial-connection type automobile hybrid power system | |
| CN205890525U (en) | Bi -motor power device and electric automobile are arranged to single file star | |
| CN204506517U (en) | Multi-mode many gears hybrid power system | |
| CN206633803U (en) | Oil electric mixed dynamic drive system | |
| CN102951007B (en) | The distributing means for power supply of hybrid vehicle | |
| CN103921665B (en) | A kind of range extended electric vehicle power system | |
| CN107512168B (en) | A kind of engineering machinery hybrid transmissions | |
| CN107082016B (en) | A kind of continuous variable transmission assembly and automobile | |
| CN205130905U (en) | Hybrid two speed transmission transmission system and hybrid car | |
| CN103770624A (en) | Multi-mode and multi-gear hybrid power system | |
| CN103802652B (en) | Double-star-planet-gear three-mode electromechanical composite transmission device | |
| CN203623363U (en) | Multi-mode and multi-gear hybrid power system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160126 |
|
| EXPY | Termination of patent right or utility model |