CN103895492B - Series-parallel hybrid electric system, vehicle and control method thereof - Google Patents
Series-parallel hybrid electric system, vehicle and control method thereof Download PDFInfo
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- CN103895492B CN103895492B CN201410149082.6A CN201410149082A CN103895492B CN 103895492 B CN103895492 B CN 103895492B CN 201410149082 A CN201410149082 A CN 201410149082A CN 103895492 B CN103895492 B CN 103895492B
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Abstract
The present invention relates to a kind of series-parallel hybrid electric system, vehicle and control method thereof.Described series-parallel hybrid electric system includes electromotor, the first motor, change speed gear box, the second motor, differential mechanism, motor control assembly and energy-storage system, described first motor couples with the outfan of described electromotor and the input of change speed gear box, described second motor couples with outfan and the differential mechanism of described change speed gear box, described motor control assembly is connected with described first motor and the second motor to control described first motor and the operation of the second motor, and described energy-storage system is connected with described motor control assembly.The series-parallel hybrid electric system that the application provides, by adding change speed gear box so that continuous driving force can be had to export at whole shift process, is greatly improved, it is possible to adapt to various operating mode, and electromotor can for longer periods be operated in efficient district in the performance of climbing.
Description
Technical field
The present invention relates to vehicular field, be specifically related to a kind of series-parallel hybrid electric system, there is this series parallel type
The vehicle of hybrid power system and the control method of this vehicle.
Background technology
Along with the fast development of China's economic construction and improving constantly of living standards of the people, the automobile of China is protected
The amount of having also is being continuously increased, thus brings huge pressure to china natural resources, environment.Former as important chemical industry
Work stone oil, having more than half is the fuel as motor vehicles, therefore develops energy-saving vehicle and makes to be replaced with
The energy is the main path slowing down current Pressure on Energy.
Hybrid vehicle refers to that vehicle drive train is joined by two or more single drivetrains that can operate simultaneously
The vehicle being combined into, the road horsepower of vehicle according to actual vehicle running state by single drivetrain individually or
Common offer.The features such as energy-conservation, the low emission of vehicle cause greatly paying close attention to and become automobile and grinding of motor-dom
Study carefully and an emphasis of exploitation.
Hybrid vehicle can be divided into tandem type, parallel connection type and hybrid type several according to the structure of dynamical system
Form, the hybrid power system of various configuration is respectively arranged with its pluses and minuses.Series-parallel hybrid electric system combines string
Connection formula and parallel feature, series-parallel hybrid electric system can according to different operating modes allow fuel and electricity two
Plant the pattern work that the energy combines respectively according to series, parallel or connection in series-parallel, so that hybrid power system
Different type of drive can be selected according to different operating modes.But, existing series-parallel hybrid electric system
There will be power interruption when gearshift, have impact on grade climbing performance.
Summary of the invention
In view of this, it is desirable to provide a kind of gearshift will not the series parallel hybrid power system of power interruption
System, vehicle and control method thereof.
In order to realize the purpose of the present invention, one aspect of the present invention provides a kind of series-parallel hybrid electric system, its
Including electromotor, the first motor, change speed gear box, the second motor, differential mechanism, motor control assembly and energy storage system
System, described first motor couples with the outfan of described electromotor and the input of change speed gear box, and described second
Motor couples with outfan and the differential mechanism of described change speed gear box, described motor control assembly and described first electricity
Machine and the second motor connect to control described first motor and the operation of the second motor, described energy-storage system and institute
State motor control assembly to connect.
Preferably, first clutch, described electromotor it are provided with between described first motor and described electromotor
Outfan be connected with the input of described first clutch, the outfan of described first clutch and described the
The rotor of one motor connects.
Preferably, second clutch, described first electricity it are provided with between described first motor and described change speed gear box
The rotor of machine is connected with the input of described second clutch, the outfan of described second clutch and described change
The input of speed case connects.
Preferably, described motor control assembly includes the first electric machine controller and the second electric machine controller, described
First electric machine controller is connected with described first motor and energy-storage system, and described second electric machine controller is with described
Second motor and energy-storage system connect.
Preferably, described electromotor, the first motor, change speed gear box, the second motor and differential mechanism are for being coaxially disposed.
Another aspect of the present invention provides a kind of vehicle, and it is provided with the series parallel type described in any of the above-described embodiment and mixes
Close dynamical system.
Preferably, described vehicle also includes electronic control unit, gearbox control and hybrid controller,
Described electronic control unit is connected with described electromotor, and described gearbox control is connected with described change speed gear box,
Described hybrid controller and described electronic control unit, gearbox control, motor control assembly and storage
Can system connect.
Further aspect of the present invention provides the control method of the vehicle described in a kind of any of the above-described embodiment, and it includes
Following steps: during described gearbox shifting, described second motor exports power to described differential mechanism, and described the
One motor carries out speed governing.
Preferably, the control method of described vehicle also comprises the steps: when driving starts electromotor, described
Electromotor operating described in first driven by motor.
Preferably, the control method of described vehicle also comprises the steps: under pure electricity operational mode, by institute
State the first motor and the moment coupling of the second motor output and export to drive described vehicle.
The series-parallel hybrid electric system that the application provides, by adding change speed gear box so that can change whole
Gear process has continuous driving force to export, and is greatly improved, it is possible to adapt to various operating mode in the performance of climbing, and
Electromotor can for longer periods be operated in efficient district.It addition, this series-parallel hybrid electric system is to motor
The aspects such as torque range, the range of speeds, functional reliability require lower than existing series-parallel hybrid electric system,
Can select is wider.The vehicle of the application offer and control method thereof, it is clear that also there is above-mentioned series-parallel connection
The advantage that formula hybrid power system is brought.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vehicle that one embodiment of the invention provides.
Fig. 2 is the structural representation of the series-parallel hybrid electric system that one embodiment of the invention provides.
Fig. 3 is the structural representation of the series-parallel hybrid electric system that another embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
Refer to Fig. 1 to Fig. 3, the embodiment of the present invention provides a kind of vehicle, and it includes series parallel hybrid power
System.This series-parallel hybrid electric system includes electromotor the 1, first motor 2, change speed gear box the 3, second electricity
Machine 4, differential mechanism 5, motor control assembly 7 and energy-storage system 8.
First motor 2 is arranged between electromotor 1 and change speed gear box 3, respectively with the outfan of electromotor 1 with
And the input coupling of change speed gear box 3.Electromotor 1 provides most of power that vehicle travels.First motor 2
For starting electromotor 1, it is also used for providing the partial power in vehicle travel process, it is also possible to make electromotor
Running, with the electric energy providing the second motor 4 to drive vehicle to need, or auxiliary reclaiming braking energy is also
Charge to energy-storage system 8.
Second motor 4 is arranged between change speed gear box 3 and differential mechanism 5, respectively with the outfan of change speed gear box 3 with
And differential mechanism 5 couples.Second motor 4 is for providing all or part of power in vehicle travel process, also
Can charge with reclaiming braking energy and to energy-storage system 8.Second motor 4 is by differential mechanism 5 and drives
Bridge sends power to wheel.Specifically, change speed gear box 3 can be automatic gear-box, and it passes through power shaft
The rotor spline of spline and the first motor 2 is connected, by output shaft spline and the rotor spline of the second motor 4
It is connected.
Motor control assembly 7 is connected with the first motor 2 and the second motor 4, for controlling the first motor 2
Operation with the second motor 4.This motor control assembly 7 can include becoming exchanging by direct current maybe exchange being become
Supply convertor and electric machine controller for direct current.
Energy-storage system 8 is connected with motor control assembly 7, for providing to first motor the 2, second motor 4
Electric energy, it is also possible to the electric energy sent for reception the first motor 2 and the second motor 4.Energy-storage system 8
Specifically can include accumulator and battery management system or super capacitor and super capacitance management system or
The multiple control system of person's accumulator and super capacitor and accumulator and super capacitor.
Refer to Fig. 1, in a preferred embodiment, between the first motor 2 and electromotor 1, be provided with first
Clutch 12, the outfan of electromotor 1 is connected with the input of first clutch 12, first clutch 12
Outfan and the first motor 2 rotor connect.First clutch 12 can be automatic controllable clutch,
For switching on or off the mechanical connection between electromotor 1 and the first motor 2 and power transmission.
Refer to Fig. 3, in a further preferred embodiment, arrange between the first motor 2 and change speed gear box 3
Have second clutch 13, the rotor of the first motor 2 to be connected with the input of second clutch 13, second from
The outfan of clutch 13 is connected with the input of change speed gear box 3.Second clutch 13 can be the most controlled from
Clutch, for switching on or off the mechanical connection between the first motor 2 and change speed gear box 3 and power transmission, just
In gearshift.
Refer to Fig. 1, in a preferred embodiment, motor control assembly 7 includes the first electric machine controller 71
With the second electric machine controller 72, the first electric machine controller 71 is connected with the first motor 2 and energy-storage system 8,
Second electric machine controller 72 is connected with the second motor 4 and energy-storage system 8.Namely motor control assembly 7 wraps
Include two independent, be respectively used to control the first motor 2 and electric machine controller of the second motor 4.Concrete next
Saying, the first motor 2 is connected with the first electric machine controller 71 by triple line, and the second motor 4 passes through three-phase
Line and the second electric machine controller 72 connect, and the first electric machine controller 71 and the second electric machine controller 72 pass through
AC line is connected to energy-storage system 8.Refer to Fig. 2 and Fig. 3, in other embodiments, motor controls dress
Put 7 can also be one integrated, can be used for controlling the first motor 2 and motor driver of the second motor 4,
Also will combine in a housing electric machine controller of two motors, forms one motor control assembly.
Refer to Fig. 1, in a preferred embodiment, electromotor the 1, first motor 2, change speed gear box 3, second
Motor 4 and differential mechanism 5 are for being coaxially disposed.This setup can make vehicle the most more compact.
Refer to Fig. 1, the vehicle that the embodiment of the present invention provides, it is also possible to include instrument 11, Electronic Control list
Unit (ECU) 10, gearbox control 6 and hybrid controller 9.Electronic control unit 10 with start
Machine 1 connects, to control the operating of electromotor 1.Gearbox control 6 is connected with change speed gear box 3, to control
The operation of change speed gear box 3.Hybrid controller 9 can be by CAN and instrument 11, Electronic Control
Unit 10, gearbox control 6, motor control assembly 7 and energy-storage system 8 connect, and are used for controlling whole
The operation of vehicle.Specifically, first clutch 12 and second clutch 13 also can be with change speed gear box controls
Device 6 processed connects.
The present invention also provides for the control method of a kind of above-mentioned vehicle, and it comprises the steps: that change speed gear box 3 is shifted gears
Time, the second motor 4 exports power to differential mechanism 5, and the first motor 2 carries out speed governing, thus can make whole
Shift process has continuous driving force to export, power failure-free.
In a preferred embodiment, the control method of this vehicle also comprises the steps: that driving starts electromotor
When 1, the first motor 2 drives electromotor 1 to operate.Specifically, can be connect by first clutch 12
Close, make the first motor 2 drag electromotor 1, realize driving and start electromotor 1.Coaxial relative to original
In the case of parallel connection type hybrid power system has driving start and stop pattern, the vehicle of the application starts in driving startup
Machine 1 aspect is easier to realize, and the process of whole startup electromotor 1 more smoothes out.
In a preferred embodiment, the control method of this vehicle also comprises the steps: in pure electricity operational mode
Under, the moment coupling that the first motor 2 and the second motor 4 exported also exports to drive vehicle, makes pure electricity fortune
Under row mode, the power performance of vehicle is more preferable.
When reclaiming braking energy, the first motor 2 and the second motor 4 all can be braked energy regenerating, return
Receive more powerful, make energy regenerating more abundant.
The series-parallel hybrid electric system that the application provides, by adding change speed gear box so that can change whole
Gear process has continuous driving force to export, and is greatly improved, it is possible to adapt to various operating mode in the performance of climbing, and
Electromotor can for longer periods be operated in efficient district.It addition, this series-parallel hybrid electric system is to motor
The aspects such as torque range, the range of speeds, functional reliability require lower than existing series-parallel hybrid electric system,
Can select is wider.The vehicle of the application offer and control method thereof, it is clear that also there is above-mentioned series-parallel connection
The advantage that formula hybrid power system is brought, here is omitted.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (8)
1. a series-parallel hybrid electric system, it is characterised in that include electromotor, the first motor, change
Speed case, the second motor, differential mechanism, motor control assembly and energy-storage system, described first motor and described
The outfan of motivation and the input coupling of change speed gear box, described second motor and the outfan of described change speed gear box
And differential mechanism coupling, described motor control assembly is connected to control institute with described first motor and the second motor
Stating the first motor and the operation of the second motor, described energy-storage system is connected with described motor control assembly, described
First clutch it is provided with, the outfan of described electromotor and described the between first motor and described electromotor
The input of one clutch connects, and the outfan of described first clutch connects with the rotor of described first motor
Connect, between described first motor and described change speed gear box, be provided with second clutch, the rotor of described first motor
Being connected with the input of described second clutch, the outfan of described second clutch is defeated with described change speed gear box
Enter end to connect.
Series-parallel hybrid electric system the most according to claim 1, it is characterised in that described motor
Controlling device and include the first electric machine controller and the second electric machine controller, described first electric machine controller is with described
First motor and energy-storage system connect, and described second electric machine controller connects with described second motor and energy-storage system
Connect.
Series-parallel hybrid electric system the most according to claim 1, it is characterised in that described in start
Machine, the first motor, change speed gear box, the second motor and differential mechanism are for being coaxially disposed.
4. a vehicle, it is characterised in that be provided with according to mixing described in any one of claims 1 to 3
Connection formula hybrid power system.
Vehicle the most according to claim 4, it is characterised in that also include electronic control unit, change
Speed case controller and hybrid controller, described electronic control unit is connected with described electromotor, described change
Speed case controller is connected with described change speed gear box, described hybrid controller and described electronic control unit, change
Speed case controller, motor control assembly and energy-storage system connect.
6. the control method according to the vehicle described in any one of claim 4 or 5, it is characterised in that
When comprising the steps: described gearbox shifting, described second motor exports power, institute to described differential mechanism
State the first motor and carry out speed governing.
The control method of vehicle the most according to claim 6, it is characterised in that also include walking as follows
Rapid: when driving starts electromotor, electromotor operating described in described first driven by motor.
The control method of vehicle the most according to claim 6, it is characterised in that also include walking as follows
Rapid: under pure electricity operational mode, moment coupling that described first motor and the second motor are exported and export with
Drive described vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410149082.6A CN103895492B (en) | 2014-04-14 | 2014-04-14 | Series-parallel hybrid electric system, vehicle and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410149082.6A CN103895492B (en) | 2014-04-14 | 2014-04-14 | Series-parallel hybrid electric system, vehicle and control method thereof |
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| CN103895492A CN103895492A (en) | 2014-07-02 |
| CN103895492B true CN103895492B (en) | 2016-08-17 |
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| CN201410149082.6A Active CN103895492B (en) | 2014-04-14 | 2014-04-14 | Series-parallel hybrid electric system, vehicle and control method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106427512A (en) * | 2016-12-26 | 2017-02-22 | 苏州绿控传动科技有限公司 | Double-motor power assembly based on AMT gearbox |
| CN110356218A (en) * | 2019-06-20 | 2019-10-22 | 无锡明恒混合动力技术有限公司 | A kind of the parallel-axis type hybrid power system and control method of double clutch control |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1756046A (en) * | 2004-09-08 | 2006-04-05 | 通用汽车公司 | Electrically variable transmission with improved gradeability |
| CN102050001A (en) * | 2010-12-30 | 2011-05-11 | 上海交通大学 | Four-die stepless speed change series-parallel hybrid power driving system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009051263A (en) * | 2007-08-23 | 2009-03-12 | Toyota Motor Corp | Power output device |
| JP2009190694A (en) * | 2008-02-18 | 2009-08-27 | Toyota Motor Corp | Drive unit of hybrid vehicle |
| JP2011143754A (en) * | 2010-01-12 | 2011-07-28 | Toyota Motor Corp | Drive device for hybrid vehicle |
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- 2014-04-14 CN CN201410149082.6A patent/CN103895492B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1756046A (en) * | 2004-09-08 | 2006-04-05 | 通用汽车公司 | Electrically variable transmission with improved gradeability |
| CN102050001A (en) * | 2010-12-30 | 2011-05-11 | 上海交通大学 | Four-die stepless speed change series-parallel hybrid power driving system |
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Address after: 215200 No. 1268 Jiaotong South Road, Wujiang District, Suzhou City, Jiangsu Province Patentee after: SUZHOU GREEN CONTROL DRIVE SCIENCE AND TECHNOLOGY CO., LTD. Address before: 215200 No. 1268 Jiaotong South Road, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou Lvkong Transmission Technology Co., Ltd. |
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