CN203318133U - Power coupler of hybrid electric vehicle - Google Patents
Power coupler of hybrid electric vehicle Download PDFInfo
- Publication number
- CN203318133U CN203318133U CN2013203250423U CN201320325042U CN203318133U CN 203318133 U CN203318133 U CN 203318133U CN 2013203250423 U CN2013203250423 U CN 2013203250423U CN 201320325042 U CN201320325042 U CN 201320325042U CN 203318133 U CN203318133 U CN 203318133U
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Abstract
The utility model discloses a power coupler of a hybrid electric vehicle. The power coupler of the hybrid electric vehicle comprises a motor, a planetary gear train, a brake and a clutch, wherein the planetary gear train comprises a gear ring gear, a sun gear, a planet gear and a planetary gear carrier, wherein the planet gear comprises an inner planet gear and an outer planet gear, the inner planet gear is engaged with the sun gear, the outer planet gear is engaged with the inner planet gear, the outer planet gear is engaged with the gear ring gear, the inner planet gear is connected with a center shaft of the outer planet gear through a support, the support is connected with the planetary gear carrier, an output shaft of a motor is connected with the sun gear, an output shaft of the motor is connected with the support, an input shaft of a transmission is connected with the planetary gear carrier and the gear ring gear, the clutch is respectively arranged between the input shaft of the transmission, the planetary gear carrier and the gear ring gear, and the brake is also connected with the gear ring gear. The power coupler of the hybrid electric vehicle enables shifting time of a vehicle to be short, is small in shock during the switching process of drive modes, improves riding comfort and dynamic performance, reduces abrasion of the clutch, and improves fuel economy of the vehicle.
Description
Technical field
The utility model belongs to the new-energy automobile technical field, and specifically, the utility model relates to a kind of power coupler of hybrid vehicle.
Background technology
Global oil crises and atmospheric contamination are paid attention to the energy-conservation and environmental-protecting performance of automobile day by day.Merge the appearance of pure electric automobile, hybrid vehicle and the fuel cell electric vehicle of contemporary multiple new and high technology, cause a revolution of World Auto Industry.Hybrid vehicle had both kept the advantage of electronlmobil minimum discharge, had brought into play again the strong point of traditional combustion engine automobile high-energy-density.
Hybrid vehicle is used two kinds of propulsions source neatly, and makes up weak point between two kinds of propulsions source, thereby reduces fuel oil consumption, reduces noxious gas emission, the maximum power of performance vehicle.Power coupler is the parts of most critical in current hybrid vehicle, and the quality of its performance directly affects travelling comfort, road-holding property and the safety of automobile.The power coupler of traditional hybrid vehicle, adopt long engaging gear mode, and long, drive pattern handoff procedure of automobile gear shift time impacts large, and tractive performance is poor, takes uncomfortablely, and fuel economy is poor, and clutch damage is serious.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of power coupler of hybrid vehicle, to reduce the impulsive force in gearshift time and drive pattern handoff procedure, improves dynamic property, travelling comfort and fuel economy.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of power coupler of hybrid vehicle, be connected between engine output shaft and input shaft, power coupler comprises motor, planet circular system, drg and power-transfer clutch, planet circular system comprises the gear ring gear, sun wheel, satellite gear and planetary gear carrier, satellite gear comprises and the inner planet gear of sun wheel engagement and the exterior epicyclic gear meshed with this inner planet gear, exterior epicyclic gear also meshes with the gear ring gear, between the center shaft of inner planet gear and exterior epicyclic gear, by support, connect, this support is connected with planetary gear carrier, engine output shaft is connected with sun wheel, motor output shaft is connected with support, input shaft is connected with the gear ring gear with planetary gear carrier, power-transfer clutch is located at respectively input shaft and planetary gear carrier, between the gear ring gear, drg also is connected with the gear ring gear.
The A end of described power-transfer clutch is connected with the gear ring gear with described planetary gear carrier respectively, and the secondary part of power-transfer clutch is connected with described input shaft.
Described drg is arranged on housing.
The power coupler of said structure, utilized the two-freedom motion of sun and planet gear to meet the requirement of the double dynamical input of hybrid vehicle-single-power output, can carry out the running state of control engine, drive motor by the coupled/separated of power-transfer clutch and drg, realize motor driving/reversing, engine drive, combination drive, 6 kinds of mode of operations such as the generating of travelling, driving engine reversing, regenerative brake.
The principle of work of this power coupler is: when the speed of a motor vehicle is lower, propulsive effort is when little, adopts motor to drive, now motor forward vehicle advances, the motor reversal vehicle backing; When the speed of a motor vehicle is higher, propulsive effort is while being worth between, motor-powered vehicle; When the speed of a motor vehicle is higher, propulsive effort is when larger, automobile is by motor and driving engine combination drive, if now the propulsive effort of driving engine, except driving vehicle to also have residue, transfers the power generation mode that travels to; When the reversing torque is larger, the start the engine reversing mode; During braking, the regenerative brake pattern comes into force, and realizes that braking energy reclaims.
The utility model adopts technique scheme, compared with prior art, this power coupler adopts double-planet mechanism, can make the automobile gear shift time short, the drive pattern handoff procedure impacts little, improve travelling comfort and dynamic property, alleviated the wearing and tearing of power-transfer clutch, improved the fuel economy of automobile.
The accompanying drawing explanation
The principle schematic that Fig. 1 is the utility model power coupler;
The arrangement plan of the two-row planetary gear that Fig. 2 is the utility model power coupler;
Mark in above-mentioned figure is: 1, driving engine; 2, rotor; 3, stator winding; 4-1, inner planet gear; 4-2, exterior epicyclic gear; 5, gear ring gear; 6, drg; 7, planetary gear carrier; 8, C1 power-transfer clutch; 9, C2 power-transfer clutch; 10, input shaft; 11, sun wheel; 12, engine output shaft; 13, motor output shaft; 14, support.
The specific embodiment
As shown in Figure 1, the power coupler of a kind of hybrid vehicle of the utility model, be connected between driving engine 1 and change-speed box, this power coupler comprises motor, planet circular system, drg 6 and power-transfer clutch, motor comprises rotor 2, motor output shaft 13 and stator winding 3, and planet circular system comprises gear ring gear 5, sun wheel 11, satellite gear and planetary gear carrier 7.Satellite gear comprises with the inner planet gear 4-1 of sun wheel 11 engagements and keeps the exterior epicyclic gear 4-2 of normal engagement with this inner planet gear 4-1, this exterior epicyclic gear 4-2 also meshes with gear ring gear 5, connect by support 14 between the center shaft of inner planet gear 4-1 and exterior epicyclic gear 4-2, be arranged on side by side on support 14.This support 14 is connected with planetary gear carrier 7 in a side, at opposite side, with motor output shaft 13, is connected.Engine output shaft 12 is connected with sun wheel 11, input shaft 10 is connected with gear ring gear 5 with planetary gear carrier 7, power-transfer clutch is divided into C1 power-transfer clutch 8 and C2 power-transfer clutch 9, C1 power-transfer clutch 8 is located between input shaft 10 and planetary gear carrier 7, C2 power-transfer clutch 9 is located between input shaft 10 and gear ring gear 5, and drg 6 also is connected with gear ring gear 5.The A end of C1 power-transfer clutch 8 and C2 power-transfer clutch 9 is connected with gear ring gear 5 with planetary gear carrier 7 respectively, and secondary part is connected with input shaft 10.Drg 6 is arranged on the housing of change speed gear box.
The principle of work of this power coupler is: the torque of driving engine and electrical motor, after this dual planetary gear power coupler is synthetic, passes to change-speed box through input shaft 10, and then drives vehicle.When the speed of a motor vehicle is lower, propulsive effort is when little, adopts motor to drive, now motor forward vehicle advances, the motor reversal vehicle backing; When the speed of a motor vehicle is higher, propulsive effort is while being worth between, motor-powered vehicle; When the speed of a motor vehicle is higher, propulsive effort is when larger, automobile is by motor and driving engine combination drive, if now the propulsive effort of driving engine, except driving vehicle to also have residue, transfers the power generation mode that travels to; When the reversing torque is larger, the start the engine reversing mode; During braking, the regenerative brake pattern comes into force, and realizes that braking energy reclaims.Details are as follows for the specific works process:
7 kinds of mode of operations such as mode of operation is divided into motor driving/reversing, engine drive, combination drive, the generating of travelling, driving engine reversing, regenerative brake.
One, motor driving/reversing mode
When vehicle start or automobile running resistance when little, only by direct motor drive, driving engine 1 keeps halted state.C1 power-transfer clutch 8 closures now, C2 power-transfer clutch 9 is thrown off, drg 6 combinations, fixed gear ring gear 5, electrical motor forward vehicle advances, the reversion reversing.Motor output shaft 13 driving arms 14, support 14 is passed to planetary gear carrier 7 by power, and planetary gear carrier 7 passes to power the A end of C1 power-transfer clutch 8 again, C1 is in bonding state, power, through the secondary part of C1 power-transfer clutch 8, drives input shaft 10 and rotates, and realizes vehicular drive.
Two, engine drive pattern
When the speed of a motor vehicle of automobile is higher, when propulsive effort is worth between, now enter the engine drive pattern.During the engine drive pattern, C1 power-transfer clutch 8 separates, 9 combinations of C2 power-transfer clutch, motor is in off-position, driving engine 1 is in driving condition, the power of driving engine 1 passes to sun wheel 11 by engine output shaft 12, sun wheel 11 drives the inner planet gear 4-1 of normal engagement, inner planet gear 4-1 drives exterior epicyclic gear 4-2, exterior epicyclic gear 4-2 drives gear ring gear 5 and rotates, gear ring gear 5 passes to power the A end of C2 power-transfer clutch 9 again, C2 is in bonding state, power is through the secondary part of C2 power-transfer clutch 9, driving input shaft 10 rotates, realize vehicular drive.
Three, combination drive pattern
When the speed of a motor vehicle is higher, propulsive effort requires when larger, automobile is by motor and driving engine combination drive, now C1 power-transfer clutch 8 and C2 power-transfer clutch 9 are all closed, driving engine 1 with motor simultaneously in driving condition.The power of driving engine 1 passes to sun wheel 11 by engine output shaft 12, sun wheel 11 passes to inner planet gear 4-1 by power, exterior epicyclic gear 4-2 is by the combination of drg 6, power is passed to the A end of power-transfer clutch C2 via gear ring gear 5, in conjunction with power is passed to input shaft 10, drive vehicle by power-transfer clutch C2.The power of motor passes on pinion carrier 7 by motor output shaft 13, by the combination of power-transfer clutch C1, passes to input shaft 10.Now the power of the power of driving engine 1 and motor all is coupled on input shaft 10, thereby realizes the vehicle combination drive.
Four, the power generation mode that travels
When battery electric quantity not enough (lower than a certain setting value), and the moving velocity of automobile is lower, and drive torque requires when little, to enter the power generation mode that travels.Require 8 combinations of C1 power-transfer clutch while travelling power generation mode, C2 power-transfer clutch 9 separates, drg 6 combinations, and driving engine 1 is in driving condition, and motor is in generating state.The power that driving engine 1 produces passes to sun wheel 11 by engine output shaft 12, sun wheel 11 drives the inner planet gear 4-1 rotation of normal engagement, and then drive exterior epicyclic gear 4-2 rotation, due to drg 6 combinations, gear ring gear 5 keeps motionless, planetary wheel 7 drives support 14 rotations, support 14 drive motor output shafts 13 rotations.The power that support 14 transmits driving engine 1 is divided into two parts, and a part passes to rotor 2 through motor output shaft 13 by power, the drive motor generating.Another part passes to power the A end of C1 power-transfer clutch 8, by 8 combinations of C1 power-transfer clutch, power is passed to input shaft 10, thereby drives vehicle to advance.
Five, driving engine reversing mode
When automobile need to move backward and the drive torque requirement larger, if battery electric quantity does not meet reversing while requiring, enter the driving engine reversing mode.C2 power-transfer clutch closure now, driving engine 1 is in driving condition, and motor is in off-position.Power passes to sun wheel 11 by driving engine 1 through engine output shaft 12, sun wheel 11 and inner planet gear 4-1 engagement, inner planet gear 4-1 drives exterior epicyclic gear 4-2, exterior epicyclic gear 4-2 reaches gear ring gear 5 by power, arrive again the A end of C2 power-transfer clutch 9, input shaft 10 is passed in combination by power-transfer clutch C2, realizes the driving engine reversing.
Six, regenerative brake pattern
When automobile brake, enter the regenerative brake pattern.Require 8 combinations of C1 power-transfer clutch during the regenerative brake pattern, C2 power-transfer clutch 9 separates, and drg 6 separates, and driving engine 1 cuts out, and motor is in generating state.Now lock torque passes to input shaft 10 by change-speed box, input shaft 10 passes to pinion carrier 7 by 8 combinations of C1 power-transfer clutch by lock torque, pinion carrier 7 is rotated by support 14 drive motor output shafts 13, the rotor 2 of motor output shaft 13 drive motors rotates, thereby reaches the purpose of brake power generating.
The above is exemplarily described the utility model by reference to the accompanying drawings; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (3)
1. the power coupler of a hybrid vehicle, be connected between engine output shaft (12) and input shaft (10), power coupler comprises motor, planet circular system, drg (6) and power-transfer clutch, planet circular system comprises gear ring gear (5), sun wheel (11), satellite gear and planetary gear carrier (7), it is characterized in that: described satellite gear comprises and the inner planet gear (4-1) of described sun wheel (11) engagement and the exterior epicyclic gear (4-2) meshed with this inner planet gear (4-1), exterior epicyclic gear (4-2) also meshes with described gear ring gear (5), between the center shaft of inner planet gear (4-1) and exterior epicyclic gear (4-2), by support (14), connect, this support (14) is connected with described planetary gear carrier (7), described engine output shaft (12) is connected with sun wheel (11), engine output shaft (13) is connected with support (14), described input shaft (10) is connected with gear ring gear (5) with planetary gear carrier (7), described power-transfer clutch is located at respectively input shaft (10) and planetary gear carrier (7), between gear ring gear (5), described drg (6) also is connected with gear ring gear (5).
2. the power coupler of hybrid vehicle according to claim 1, it is characterized in that: the A end of described power-transfer clutch is connected with gear ring gear (5) with described planetary gear carrier (7) respectively, and the secondary part of power-transfer clutch is connected with described input shaft (10).
3. the power coupler of hybrid vehicle according to claim 1 and 2, it is characterized in that: described drg (6) is arranged on housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203250423U CN203318133U (en) | 2013-06-06 | 2013-06-06 | Power coupler of hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203250423U CN203318133U (en) | 2013-06-06 | 2013-06-06 | Power coupler of hybrid electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203318133U true CN203318133U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203250423U Expired - Fee Related CN203318133U (en) | 2013-06-06 | 2013-06-06 | Power coupler of hybrid electric vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN203318133U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936210A (en) * | 2016-05-20 | 2016-09-14 | 石家庄铁道大学 | Power coupling device and motor |
| CN107757339A (en) * | 2016-08-16 | 2018-03-06 | 大众汽车有限公司 | For transport facility, particularly for the hybrid drive system of motor vehicle |
| CN109624685A (en) * | 2017-10-09 | 2019-04-16 | 上海汽车集团股份有限公司 | A kind of automobile, speed changer and its control system |
-
2013
- 2013-06-06 CN CN2013203250423U patent/CN203318133U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936210A (en) * | 2016-05-20 | 2016-09-14 | 石家庄铁道大学 | Power coupling device and motor |
| CN105936210B (en) * | 2016-05-20 | 2018-01-26 | 石家庄铁道大学 | Dynamic coupling device and motor |
| CN107757339A (en) * | 2016-08-16 | 2018-03-06 | 大众汽车有限公司 | For transport facility, particularly for the hybrid drive system of motor vehicle |
| CN109624685A (en) * | 2017-10-09 | 2019-04-16 | 上海汽车集团股份有限公司 | A kind of automobile, speed changer and its control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20140606 |