CN202641356U - Series-parallel hybrid-power four-wheel driving system - Google Patents
Series-parallel hybrid-power four-wheel driving system Download PDFInfo
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- CN202641356U CN202641356U CN2012202619243U CN201220261924U CN202641356U CN 202641356 U CN202641356 U CN 202641356U CN 2012202619243 U CN2012202619243 U CN 2012202619243U CN 201220261924 U CN201220261924 U CN 201220261924U CN 202641356 U CN202641356 U CN 202641356U
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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
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Abstract
一种混联式混合动力四轮驱动系统，属于混合动力车辆驱动技术领域。本实用新型可以在保证高度动力性的同时实现良好的燃油经济性，同时还可以有效降低动力部件的尺寸。本实用新型包括发动机、前电机、后电机、动力电池组、变速器、逆变器组、增速箱、第一电控离合器及第二电控离合器；所述发动机的输出轴经第一电控离合器、第二电控离合器与变速器输入轴相连接，变速器输出轴与车辆的前轴相连接；在所述第一电控离合器与第二电控离合器之间的传动轴上设置有增速箱的大齿轮，增速箱的小齿轮与前电机的输出轴相连接；所述后电机的输出轴与车辆的后轴相连接，所述动力电池组经逆变器组分别与前电机、后电机相连接。
The utility model relates to a hybrid hybrid four-wheel drive system, which belongs to the technical field of hybrid vehicle drive. The utility model can realize good fuel economy while ensuring high power performance, and can also effectively reduce the size of power components. The utility model includes an engine, a front motor, a rear motor, a power battery pack, a transmission, an inverter group, a speed-up box, a first electronically controlled clutch and a second electronically controlled clutch; the output shaft of the engine is controlled by the first electronically controlled The clutch and the second electronically controlled clutch are connected to the transmission input shaft, and the transmission output shaft is connected to the front axle of the vehicle; a speed increasing box is arranged on the transmission shaft between the first electronically controlled clutch and the second electronically controlled clutch The large gear of the gearbox, the pinion gear of the speed-up box is connected with the output shaft of the front motor; the output shaft of the rear motor is connected with the rear axle of the vehicle, and the power battery pack is respectively connected with the front motor and the rear The motor is connected.
Description
Technical field
The utility model belongs to motor vehicle driven by mixed power actuation techniques field, particularly relates to a kind of series parallel hybrid power four-wheel drive system.
Background technology
Energy-conservation and environmental protection is the two principal themes of current development of automobile.The develop rapidly of auto-industry has brought many easily whiles for people's life, also discharge a large amount of tail gas and consuming limited oil resources, environment for human survival in serious harm, and under such background, mixed power electric car becomes one of important directions of development of automobile.Hybrid vehicle has the advantage of energy-saving and emission-reduction, but it has deficiency than the traditional combustion engine automobile on dynamic property.
In addition, vehicle in most of situation all be in the process of moving metastable with one in low speed of a motor vehicle operation.And under these circumstances, drive system does not need to export very large moment or power in fact; But in existing hybrid power system designs, have to the demand of the limiting conditions such as climbing to satisfy very greatly, suddenly accelerate, run at high speed of power part coupling, although these limiting conditions just occur once in a while.Cause power system bulky so on the one hand, these power are left unused in most of operating mode on the other hand, and the system loading rate is very low.
The utility model content
For the problem that prior art exists, the utility model provides a kind of series parallel hybrid power four-wheel drive system.This system can realize good fuel economy when guaranteeing the height dynamic property, can also effectively reduce the size of power part simultaneously.
To achieve these goals, the utility model adopts following technical scheme, a kind of series parallel hybrid power four-wheel drive system comprises driving engine, front motor, rear motor, power battery pack, change-speed box, inverter group, gearbox, the first electric control clutch and the second electric control clutch; The output shaft of described driving engine is connected with input shaft through the first electric control clutch, the second electric control clutch, and transmission output shaft is connected with the front axle of vehicle; Transmission shaft between described the first electric control clutch and the second electric control clutch is provided with the big gear wheel of gearbox, and the miniature gears of gearbox is connected with the output shaft of front motor; The output shaft of described rear motor is connected with the rear axle of vehicle, and described power battery pack is connected with front motor, rear motor respectively through the inverter group.
Described change-speed box adopts two gear AMT change-speed boxs.
The beneficial effects of the utility model:
The utility model can be realized good fuel economy when guaranteeing the height dynamic property, can also effectively reduce the size of power part simultaneously.When the conventional speed of a motor vehicle was travelled, driving engine E drove front motor M1 generating and consists of series model with rear motor M2, and rear motor M2 provides separately propulsive effort, and driving engine E is operated in optimal region, thereby can realize good economy; When running into limiting condition, the direct output drive strength of driving engine E forms 4WD pattern in parallel or series-parallel connection 4WD pattern to the front axle of vehicle, improves the dynamic property of system.In addition, rear motor M2 can satisfy separately the power demand of vehicle under normal driving cycle, therefore can reduce motor size.
AMT change-speed box 1 gear is applicable to the low speed climbing, and 2 gears then are used for running at high speed, and such gear design is not so that there is traditional gearshift shock problem in change-speed box.When running velocity reached low speed, the AMT change-speed box entered 1 gear automatically, waits shifting commands but the second electric control clutch C2 still remains open state; When running velocity during near high speed, AMT change-speed box 2 gear gears namely begin engagement and wait shifting commands.That is to say that before, gear just hangs up in fact entering hill gear (1 gear) and top gear (2 gear), the process of gearshift is actual to be process in conjunction with power-transfer clutch, so the gearshift time is very short and do not have a power interruption.
Description of drawings
Fig. 1 is the structural representation of series parallel hybrid power four-wheel drive system of the present utility model;
Fig. 2 is the mode of operation scheme drawing of series parallel hybrid power four-wheel drive system of the present utility model;
(a) be driving engine E and rear motor M2 series model;
(b) be the rear motor M2 pattern (electric-only mode) that works independently;
(c) be double-motor 4WD pattern;
(d) be 4WD pattern in parallel;
(e) be series-parallel connection 4WD pattern;
(f) be the regenerative brake pattern;
Among the figure, 1-big gear wheel, 2-miniature gears, 3-gearbox, E-driving engine, C1-first electric control clutch, C2-second electric control clutch, M1-front motor, M2-rear motor, I-inverter group, B-power battery pack.
The specific embodiment
As shown in Figure 1, a kind of series parallel hybrid power four-wheel drive system comprises driving engine E, front motor M1, rear motor M2, power battery pack B, change-speed box, inverter group I, gearbox 3, the first electric control clutch C1 and the second electric control clutch C2; The output shaft of described driving engine E is connected with input shaft through the first electric control clutch C1, the second electric control clutch C2, and transmission output shaft is connected with the front axle of vehicle; Transmission shaft between described the first electric control clutch C1 and the second electric control clutch C2 is provided with the big gear wheel 1 of gearbox 3, and the miniature gears 2 of gearbox 3 is connected with the output shaft of front motor M1; The output shaft of described rear motor M2 is connected with the rear axle of vehicle, and described power battery pack B is connected with front motor M1, rear motor M2 respectively through inverter group I.
Described change-speed box adopts two gear AMT change-speed boxs.
Have three power parts in the series parallel hybrid power four-wheel drive system of the present utility model: a cover driving engine E and two cover motor M 1 and M2.Driving engine E is preposition, be responsible for to drive the front axle of vehicle, and motor M 2 postposition then are responsible for driving the rear axle of vehicle; Vehicle power is born by power battery pack B, and is connected with M2 with two cover motor M 1 by inverter group I.
Described AMT change-speed box adopts two gear AMT change-speed boxs.Two gear AMT change-speed boxs comprise 3 gears altogether: 1 gear, 2 gear and neutrals.
AMT change-speed box 1 gear is applicable to the low speed climbing, and 2 gears then are used for running at high speed, and in other cases, the AMT change-speed box all places neutral position state, and vehicle is directly driven by rear motor M2, realizes actions such as middle low speed driving, reversing.
Because the low speed climbing can not directly be switched with the both of these case of running at high speed, so gearshift each time all is to hang neutral from 1 gear or 2 gears, or hung into 1 gear or 2 gears by neutral, obviously such gear design is not so that there is traditional gearshift shock problem in change-speed box.
When running velocity reached low speed, the AMT change-speed box entered 1 gear automatically, waits shifting commands but the second electric control clutch C2 still remains open state; When running velocity during near high speed, AMT change-speed box 2 gear gears namely begin engagement and wait shifting commands.That is to say that before, gear just hangs up in fact entering hill gear (1 gear) and top gear (2 gear), the process of gearshift is actual to be process in conjunction with power-transfer clutch, so the gearshift time is very short and do not have a power interruption.
The utility model comprises following mode of operation:
(1) driving engine E and rear motor M2 series model
Under conventional motoring condition, M2 works independently by rear motor, driving engine E is operated in the optimum efficiency zone, drive front motor M1 generating by gearbox 3, M2 provides electric energy for rear motor, power battery pack B is that driving engine E replenishes or absorbs driving engine E surplus power according to condition of loading, shown in Fig. 2 (a).
(2) the rear motor M2 pattern (electric-only mode) that works independently
Rear motor M2 works independently, and driving engine E closes, and all electric energy come from power battery pack B.This pattern is used for vehicle starting stage or load is lower and battery SOC is higher situation, shown in Fig. 2 (b).
(3) double-motor 4WD pattern
When vehicle starting, if the chaufeur accelerator travel is larger, higher acceleration capacity of chaufeur demand is described then, this moment, forward and backward motor was worked simultaneously, realized good dynamic property, shown in Fig. 2 (c).
(4) 4WD pattern in parallel
Driving engine E and rear motor M2 drive respectively axle, and propulsive effort is coupled between centers, belong to a kind of 4WD pattern in parallel; Rear motor M2 electric energy is provided alone by power battery pack B, shown in Fig. 2 (d).Under this pattern, driving engine E propulsive effort can output to the front axle of vehicle fully, but the electric energy of rear motor M2 is only provided separately by power battery pack B, therefore belongs to short time high-torque pattern, is applicable to the vehicle climbing, and the AMT change-speed box is hung into 1 gear.
(5) series-parallel connection 4WD pattern
Rear motor M2 drives the rear axle of vehicle, and driving engine E drives front motor M1 generating by gearbox 3 in the front axle that drives vehicle, and the electric energy of rear motor M2 is provided with power battery pack B jointly by driving engine E-front motor M1 group, shown in Fig. 2 (e); Under this pattern, driving engine E part propulsive effort is used for driving the front axle of vehicle, and the part propulsive effort is used for keeping the electric power supply of rear motor M2, though propulsive effort is slightly less than 4WD pattern in parallel, but rear motor M2 can long-play, is applicable to the operating mode of running at high speed, and the AMT change-speed box is hung into 2 gears.
(6) regenerative brake pattern
In the drag process, forward and backward motor as electrical generator, is converted into electric energy with vehicle energy, shown in Fig. 2 (f) jointly.
Below in conjunction with a description of drawings use procedure of the present utility model:
Although driving engine E can drive by two electric control clutchs and AMT change-speed box the front axle of vehicle, but driving engine E does not participate in vehicular drive in most of situation, generate electricity by gearbox 3 drive front motor M1 but be operated in optimal region, M2 provides electric energy for rear motor, the first electric control clutch C1 engages, the second electric control clutch C2 disconnects, and the AMT change-speed box places neutral position state; Driving engine E only gets involved in both cases and directly output drive strength is to the front axle of vehicle, that is: vehicle needs in the situation of high-torque when climbing; When running at high speed, the high-performance situation of demand.
The power of rear motor M2 only need satisfy the power demand of vehicle under normal driving cycle and get final product, and therefore can reduce motor size; In the ordinary course of things, driving engine E-front motor M1 group consists of series model with rear motor M2, driving engine E is operated in optimal region to realize good economy, but when running into limiting condition, engage the second electric control clutch C2, hang the AMT gear, the direct output drive strength of driving engine E forms 4WD pattern in parallel or series-parallel connection 4WD pattern to the front axle of vehicle.
When vehicle is climbed, road resistance is larger, moment by rear motor M2 can't satisfy the resistance demand separately, this moment, the AMT change-speed box was hung 1 gear, electric control clutch C1, C2 all engage, front motor M1 does not temporarily work, and driving engine E outputting power drives the front axle of vehicle, jointly provides propulsive effort for vehicle with rear motor M2.
When the low speed of a motor vehicle was travelled in vehicle is in, rear motor M2 provided separately vehicle required propulsive effort, and the AMT change-speed box is hung neutral, and the second electric control clutch C2 disconnects, and the first electric control clutch C1 engages, and driving engine E is operated in optimal region and drives front motor M1 generating.
Increase resistance to motion increase along with the speed of a motor vehicle, the moment of rear motor M2 descends, when vehicle is in the high speed of a motor vehicle and travels, depend merely on rear motor M2 and can't satisfy the resistance to motion demand, this moment, the AMT change-speed box was hung 2 gears, the first electric control clutch C1, the second electric control clutch C2 all engage, and driving engine E is the front axle of outputting power driving vehicle again, jointly provides propulsive effort for vehicle with rear motor M2.
Claims (2)
1. a series parallel hybrid power four-wheel drive system is characterized in that comprising driving engine, front motor, rear motor, power battery pack, change-speed box, inverter group, gearbox, the first electric control clutch and the second electric control clutch; The output shaft of described driving engine is connected with input shaft through the first electric control clutch, the second electric control clutch, and transmission output shaft is connected with the front axle of vehicle; Transmission shaft between described the first electric control clutch and the second electric control clutch is provided with the big gear wheel of gearbox, and the miniature gears of gearbox is connected with the output shaft of front motor; The output shaft of described rear motor is connected with the rear axle of vehicle, and described power battery pack is connected with front motor, rear motor respectively through the inverter group.
2. a kind of series parallel hybrid power four-wheel drive system according to claim 1 is characterized in that described change-speed box adopts two gear AMT change-speed boxs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012202619243U CN202641356U (en) | 2012-06-05 | 2012-06-05 | Series-parallel hybrid-power four-wheel driving system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012202619243U CN202641356U (en) | 2012-06-05 | 2012-06-05 | Series-parallel hybrid-power four-wheel driving system |
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| CN202641356U true CN202641356U (en) | 2013-01-02 |
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| CN2012202619243U Expired - Fee Related CN202641356U (en) | 2012-06-05 | 2012-06-05 | Series-parallel hybrid-power four-wheel driving system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172771A (en) * | 2015-10-10 | 2015-12-23 | 东北大学 | Electro-hydraulic compound brake-by-wire system of automobile and control method of system |
| CN105291814A (en) * | 2015-11-25 | 2016-02-03 | 山西省交通科学研究院 | Electric four-driving hybrid power system |
| CN106143206A (en) * | 2015-03-25 | 2016-11-23 | 比亚迪股份有限公司 | Power drive system and shift control method thereof for vehicle |
| CN106740810A (en) * | 2017-01-24 | 2017-05-31 | 王骏杰 | Hybrid power system based on double clutch transmission structures |
| CN107867167A (en) * | 2016-09-28 | 2018-04-03 | 比亚迪股份有限公司 | Power-driven system and vehicle for vehicle |
| CN107867170A (en) * | 2016-09-28 | 2018-04-03 | 比亚迪股份有限公司 | Power-driven system and vehicle for vehicle |
| CN107867173A (en) * | 2016-09-28 | 2018-04-03 | 比亚迪股份有限公司 | Power-driven system and vehicle for vehicle |
| CN111890913A (en) * | 2020-08-05 | 2020-11-06 | 一汽解放青岛汽车有限公司 | Series-parallel hybrid power system |
| US11639094B2 (en) * | 2015-12-07 | 2023-05-02 | Dana Heavy Vehicle Systems Group, Llc | Distributed drivetrain architectures for commercial vehicles with a hybrid electric powertrain and dual range disconnect axles |
-
2012
- 2012-06-05 CN CN2012202619243U patent/CN202641356U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143206A (en) * | 2015-03-25 | 2016-11-23 | 比亚迪股份有限公司 | Power drive system and shift control method thereof for vehicle |
| CN105172771A (en) * | 2015-10-10 | 2015-12-23 | 东北大学 | Electro-hydraulic compound brake-by-wire system of automobile and control method of system |
| CN105172771B (en) * | 2015-10-10 | 2017-09-19 | 东北大学 | An automobile electric-hydraulic composite brake-by-wire system and its control method |
| CN105291814A (en) * | 2015-11-25 | 2016-02-03 | 山西省交通科学研究院 | Electric four-driving hybrid power system |
| US11639094B2 (en) * | 2015-12-07 | 2023-05-02 | Dana Heavy Vehicle Systems Group, Llc | Distributed drivetrain architectures for commercial vehicles with a hybrid electric powertrain and dual range disconnect axles |
| CN107867167A (en) * | 2016-09-28 | 2018-04-03 | 比亚迪股份有限公司 | Power-driven system and vehicle for vehicle |
| CN107867170A (en) * | 2016-09-28 | 2018-04-03 | 比亚迪股份有限公司 | Power-driven system and vehicle for vehicle |
| CN107867173A (en) * | 2016-09-28 | 2018-04-03 | 比亚迪股份有限公司 | Power-driven system and vehicle for vehicle |
| CN106740810A (en) * | 2017-01-24 | 2017-05-31 | 王骏杰 | Hybrid power system based on double clutch transmission structures |
| CN111890913A (en) * | 2020-08-05 | 2020-11-06 | 一汽解放青岛汽车有限公司 | Series-parallel hybrid power system |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20130102 Termination date: 20140605 |