CN203766483U - Double-motor series-parallel hybrid drive system and hybrid electric vehicle adopting system - Google Patents
Double-motor series-parallel hybrid drive system and hybrid electric vehicle adopting system Download PDFInfo
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- CN203766483U CN203766483U CN201420083277.0U CN201420083277U CN203766483U CN 203766483 U CN203766483 U CN 203766483U CN 201420083277 U CN201420083277 U CN 201420083277U CN 203766483 U CN203766483 U CN 203766483U
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- change speed
- drive system
- speed gear
- motor
- gear box
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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
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Abstract
The utility model relates to a double-motor series-parallel hybrid drive system and a hybrid electric vehicle adopting the system. The hybrid electric vehicle comprises a drive wheel axle and the double-motor series-parallel hybrid drive system; the drive system comprises an engine and a main motor, and further comprises a gearbox; the main motor is connected with the input end of the gear box; the engine is connected with the input end of the gear box through a clutch; the output end of the gear box is connected with the drive wheel axle. According to the utility model, the output torque of the hybrid drive system in various working modes can be improved, so that not only are a climbing ability and an accelerating ability of the vehicle improved, but also the situation that the engine works in an efficient area can be ensured, thereby improving the fuel oil efficiency and reducing oil consumption.
Description
Technical field
The utility model relates to a kind of double-motor parallel-serial hybrid drive train a kind of hybrid vehicle of unifying.
Background technology
The power system of hybrid power passenger car adopts single shaft double-motor structure more at present, as disclosed double-motor multi-mode hybrid drive system in Chinese patent literature CN103072461A, the basic structure of such power system is as follows: driving engine is connected with ISG motor by power-transfer clutch, between ISG motor and main drive motor, by power-transfer clutch, be connected, by main drive motor, directly connect rear-end gear reduction and drive car load, the advantage of such power system is to realize relatively easily pure electric drive, and can effectively improve generator power and generating efficiency, but because its driving engine is just got involved work when the higher speed of a motor vehicle, therefore acceleration capacity and the hill climbing ability of vehicle are restricted.
Utility model content
The purpose of this utility model is to provide a kind of double-motor parallel-serial hybrid drive system that can improve vehicle acceleration capacity and hill climbing ability; The utility model provides the hybrid vehicle that uses this drive system simultaneously.
For achieving the above object, the utility model double-motor parallel-serial hybrid drive system adopts following technical scheme: double-motor parallel-serial hybrid drive system, comprise driving engine and main motor, this drive system also comprises change speed gear box, main motor is connected with the input end of described change speed gear box, driving engine is connected with the input end of described change speed gear box by power-transfer clutch, and the clutch end of this drive system is formed by the mouth of change speed gear box.
Described change speed gear box is two grades of change speed gear boxs.
Two grades of speed ratios of described two grades of change speed gear boxs are respectively 1 and 2.
Described two grades of change speed gear boxs comprise the first shifting gear and the second shifting gear, between the first shifting gear and the second shifting gear, are provided with synchro, and the first shifting gear is coaxially fixedly connected with the motor shaft of main motor.
The ISG motor coaxle of described drive system is arranged between driving engine and described power-transfer clutch, and described first, second shifting gear coaxial line is arranged.
Hybrid vehicle of the present utility model adopts following technical scheme: hybrid vehicle, comprise and drive vehicle bridge and double-motor parallel-serial hybrid drive system, this drive system comprises driving engine and main motor, described drive system also comprises change speed gear box, main motor is connected with the input end of described change speed gear box, driving engine is connected with the input end of described change speed gear box by power-transfer clutch, and the mouth of change speed gear box is connected with driving vehicle bridge.
Described change speed gear box is two grades of change speed gear boxs.
Two grades of speed ratios of described two grades of change speed gear boxs are respectively 1 and 2.
Described two grades of change speed gear boxs comprise the first shifting gear and the second shifting gear, between the first shifting gear and the second shifting gear, are provided with synchro, and the first shifting gear is coaxially fixedly connected with the motor shaft of main motor.
The ISG motor coaxle of described drive system is arranged between driving engine and described power-transfer clutch, and described first, second shifting gear coaxial line is arranged.
In the utility model, the input end of change speed gear box is connected with main motor, also by power-transfer clutch, be connected with driving engine simultaneously, utilize the mouth of change speed gear box and the driving vehicle bridge of vehicle to be in transmission connection, can improve the output torque of hybrid drive system under various mode of operations like this, not only realized and improved hill climbing ability and the acceleration capacity of vehicle, and can guarantee that engine operation is in efficient district, thereby improved fuel efficiency, reduction oil consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model double-motor parallel-serial hybrid drive system.
The specific embodiment
A kind of embodiment of double-motor parallel-serial hybrid drive system of the present utility model as shown in Figure 1, this embodiment comprises electrical source of power 12, driving engine 1, ISG motor 3, main motor 5 and change speed gear box, wherein, driving engine 1 is connected with ISG motor 3 by torsional vibration damper 2, the motor shaft of main motor and main rotor are fixedly installed, this motor shaft has two coupling ends, and one of them coupling end is connected with ISG motor 3 by power-transfer clutch 4, and another coupling end is connected with change speed gear box input end 6.As can be seen from Figure 1, the power transmission line of driving engine by bent axle to being provided with a power-transfer clutch 4 between change speed gear box input end 6, under power-transfer clutch 4 bonding states, the power of driving engine 1 is by being passed to drive axle after change speed gear box speed change, hence one can see that, the clutch end of this drive system is only formed by the mouth of change speed gear box, and the mouth of change speed gear box connects the drive axle of vehicle by transmission shaft 7.In Fig. 1, the 12nd, electrical source of power, electrical source of power 12 is electrically connected to ISG motor 3 and main motor 5 by AC/DC convertor 11.
Above-mentioned change speed gear box both can adopt two grades of change speed gear boxs, also can adopt the multi-speed gear box except two grades, what the present embodiment adopted is two grades of change speed gear boxs, in two grades of change speed gear boxs, there are the first shifting gear 8 and the second shifting gear 10, between the first shifting gear and the second shifting gear, be provided with synchro 9, the first shifting gear 8 is positioned at mouth one side of change speed gear box, 1 grade of corresponding change speed gear box, the second shifting gear 10 is positioned at input end one side of change speed gear box, coaxially be fixedly connected with the motor shaft of main motor, two grades of change speed gear boxs are without neutral gear and reverse gear, wherein 1 grade is normal engagement gear, the neutral gear of power system is realized by cut-off clutch 4, two shifting gears 8 and 10 modes that adopt coaxial lines to arrange, these measures have all been played and have been simplified two grades of gearbox designs, reduce the effect of change speed gear box mechanical dimension, in addition, ISG motor 3 has also adopted the mode of arranging with driving engine 1 coaxial line in addition, makes drive system form on the whole a single-shaft configuration, has realized the compact designed of system.
The speed ratio of two grades of change speed gear boxs can be set as required, and in the present embodiment, two grades of speed ratios are respectively 1 and 2.In addition, the structure of two grades of change speed gear boxs is not limited to structure described above, also can adopt other applicable versions in prior art.The working process of two grades of change speed gear boxs is as follows:
Change speed gear box is in 1 grade, synchro 9 and the first shifting gear 8 engagements, also i.e. normal engagement grade, corresponding speed ratio is 2, and now moment of torsion transfer route is: motor shaft-the second shifting gear 10-first stud gear-second stud gear-the first shifting gear-synchro-transmission shaft 7-drive axle of main motor; Change speed gear box is in 2 grades, and synchro 9 and the second shifting gear 10 mesh, and corresponding speed ratio is 1, and now moment of torsion transfer route is: motor shaft-the second shifting gear 10-synchro-transmission shaft 7-drive axle of main motor.
The embodiment of hybrid vehicle of the present utility model: it comprises vehicle body and chassis, on chassis, there are drive axle, wheel and drive system, drive system is identical with the structure of above-mentioned double-motor parallel-serial hybrid drive system, will not repeat, drive axle is in transmission connection by the mouth of change speed gear box in transmission shaft 7 and drive system herein.
In above-described embodiment, the main mode of operation of hybrid drive system is as follows:
When vehicle travels with the little load of low speed, two grades of change speed gear boxs are in 1 grade, and now, driving engine 1 cuts out, and power-transfer clutch 4 is in released state, and electrical source of power 12 provides power driven car load to travel to main motor 5, and vehicle is in pure electric drive driving mode;
When vehicle low speed is climbed, demand torque is larger, and two grades of change speed gear boxs are in 2 grades, and now, driving engine 1 cuts out, and power-transfer clutch 4 is in released state, and electrical source of power 12 provides power driven car load to travel to main motor, and vehicle is in pure electric drive driving mode.
When vehicle travels with the slightly high speed of a motor vehicle, two grades of change speed gear boxs are in 1 grade, and driving engine 1 is operated in efficient district, power-transfer clutch 4 combinations simultaneously, the power that driving engine provides directly drives car load to travel after change speed gear box speed change, when vehicle needs power is larger, according to the main motor 5 of SOC situation, participates in power-assisted.
When vehicle travels with the higher speed of a motor vehicle, two grades of change speed gear boxs are in 2 grades, and driving engine 1 is operated in efficient district, power-transfer clutch 4 combinations, the power that driving engine provides directly drives car load to travel after change speed gear box speed change, when vehicle needs power is larger, according to the main motor 5 of SOC situation, participates in power-assisted.
When car retardation slides or brakes, driving engine 1 cuts out, and power-transfer clutch 4 is in released state, and main motor 5 is operated in generating state, by the kinetic transformation of car load, is that electrical power storage is in electrical source of power 12.
The utility model hybrid power system, can realize electronic infinite variable speed function, guarantees that engine operation is in best fuel-economy district, reduce oil consumption, by two grades of change speed gear boxs, solve the problem of vehicle power deficiency simultaneously, improved vehicle hill climbing ability and acceleration capacity.
Claims (10)
1. double-motor parallel-serial hybrid drive system, comprise driving engine and main motor, it is characterized in that: this drive system also comprises change speed gear box, main motor is connected with the input end of described change speed gear box, driving engine is connected with the input end of described change speed gear box by power-transfer clutch, and the clutch end of this drive system is formed by the mouth of change speed gear box.
2. double-motor parallel-serial hybrid drive system according to claim 1, is characterized in that: described change speed gear box is two grades of change speed gear boxs.
3. double-motor parallel-serial hybrid drive system according to claim 2, is characterized in that: two grades of speed ratios of described two grades of change speed gear boxs are respectively 1 and 2.
4. according to the double-motor parallel-serial hybrid drive system described in claim 2 or 3, it is characterized in that: described two grades of change speed gear boxs comprise the first shifting gear and the second shifting gear, between the first shifting gear and the second shifting gear, be provided with synchro, the first shifting gear is coaxially fixedly connected with the motor shaft of main motor.
5. double-motor parallel-serial hybrid drive system according to claim 4, is characterized in that: the ISG motor coaxle of described drive system is arranged between driving engine and described power-transfer clutch, and described first, second shifting gear coaxial line is arranged.
6. hybrid vehicle, comprise and drive vehicle bridge and double-motor parallel-serial hybrid drive system, this drive system comprises driving engine and main motor, it is characterized in that: described drive system also comprises change speed gear box, main motor is connected with the input end of described change speed gear box, driving engine is connected with the input end of described change speed gear box by power-transfer clutch, and the mouth of change speed gear box is connected with driving vehicle bridge.
7. hybrid vehicle according to claim 6, is characterized in that: described change speed gear box is two grades of change speed gear boxs.
8. hybrid vehicle according to claim 7, is characterized in that: two grades of speed ratios of described two grades of change speed gear boxs are respectively 1 and 2.
9. according to the hybrid vehicle described in claim 7 or 8, it is characterized in that: described two grades of change speed gear boxs comprise the first shifting gear and the second shifting gear, between the first shifting gear and the second shifting gear, be provided with synchro, the first shifting gear is coaxially fixedly connected with the motor shaft of main motor.
10. hybrid vehicle according to claim 9, is characterized in that: the ISG motor coaxle of described drive system is arranged between driving engine and described power-transfer clutch, and described first, second shifting gear coaxial line is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083277.0U CN203766483U (en) | 2014-02-26 | 2014-02-26 | Double-motor series-parallel hybrid drive system and hybrid electric vehicle adopting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083277.0U CN203766483U (en) | 2014-02-26 | 2014-02-26 | Double-motor series-parallel hybrid drive system and hybrid electric vehicle adopting system |
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| CN203766483U true CN203766483U (en) | 2014-08-13 |
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| CN201420083277.0U Expired - Fee Related CN203766483U (en) | 2014-02-26 | 2014-02-26 | Double-motor series-parallel hybrid drive system and hybrid electric vehicle adopting system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260720A (en) * | 2014-10-24 | 2015-01-07 | 哈尔滨理工大学 | Series-parallel hybrid power control system and control method achieved by adopting same |
| CN108016281A (en) * | 2016-10-31 | 2018-05-11 | 比亚迪股份有限公司 | Power drive system and there is its vehicle |
| CN108045222A (en) * | 2017-12-25 | 2018-05-18 | 赵彬 | A kind of tandem speed change combination driving device |
| CN108215761A (en) * | 2016-12-12 | 2018-06-29 | 郑州宇通客车股份有限公司 | Vehicle, series-parallel hybrid electric system and hybrid system control method |
| CN110949116A (en) * | 2019-12-24 | 2020-04-03 | 西安法士特汽车传动有限公司 | Hybrid power system based on engine and double motors |
| CN112693299A (en) * | 2021-03-12 | 2021-04-23 | 三一重型装备有限公司 | Power system, power system control method and vehicle |
-
2014
- 2014-02-26 CN CN201420083277.0U patent/CN203766483U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260720A (en) * | 2014-10-24 | 2015-01-07 | 哈尔滨理工大学 | Series-parallel hybrid power control system and control method achieved by adopting same |
| CN104260720B (en) * | 2014-10-24 | 2016-06-29 | 哈尔滨理工大学 | A kind of parallel-serial hybrid power controls system and the control method adopting this system to realize |
| CN108016281A (en) * | 2016-10-31 | 2018-05-11 | 比亚迪股份有限公司 | Power drive system and there is its vehicle |
| CN108215761A (en) * | 2016-12-12 | 2018-06-29 | 郑州宇通客车股份有限公司 | Vehicle, series-parallel hybrid electric system and hybrid system control method |
| CN108215761B (en) * | 2016-12-12 | 2024-08-02 | 宇通客车股份有限公司 | Vehicle, series-parallel hybrid power system and hybrid power system control method |
| CN108045222A (en) * | 2017-12-25 | 2018-05-18 | 赵彬 | A kind of tandem speed change combination driving device |
| CN110949116A (en) * | 2019-12-24 | 2020-04-03 | 西安法士特汽车传动有限公司 | Hybrid power system based on engine and double motors |
| CN112693299A (en) * | 2021-03-12 | 2021-04-23 | 三一重型装备有限公司 | Power system, power system control method and vehicle |
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| Date | Code | Title | Description |
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| 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: 20140813 Termination date: 20210226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |