CN109080431A - A kind of electric powered motor coupled system and its control method - Google Patents
A kind of electric powered motor coupled system and its control method Download PDFInfo
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- CN109080431A CN109080431A CN201810835784.8A CN201810835784A CN109080431A CN 109080431 A CN109080431 A CN 109080431A CN 201810835784 A CN201810835784 A CN 201810835784A CN 109080431 A CN109080431 A CN 109080431A
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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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- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T10/72—Electric energy management in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses a kind of electric powered motor coupled system and its control methods, comprising: engine；Generator；Clutch；Driving motor；Transmission device includes first gear, second gear, third gear, the 4th gear and the 5th gear, and the first gear is connected with the secondary part of the clutch；The second gear is arranged on the output shaft of the driving motor；The first gear and second gear are engaged on the third gear；The third gear passes sequentially through the 4th gear and the 5th gear is connected with the differential mechanism.The electric powered motor coupled system and its control method of the embodiment of the present invention, each component layouts are reasonable, compact-sized, are conducive to assemble and save space, interior space utilization rate is improved, the switching of three kinds of operating modes can be also realized automatically according to SOC value of battery and speed demand.
Description
Technical field
The present invention relates to new-energy automobile field more particularly to a kind of electric powered motor coupled system and its controlling parties
Method.
Background technique
With the raising of the shortage and people's environmental consciousness of petroleum resources, there is an urgent need to can save the energy and low emission even
It is the environmentally protective automobile product of zero-emission.For this purpose, countries in the world government and major automobile manufacture commercial city are being gone into overdrive out
Send out electric car various types of.Compared with traditional combustion engine, electric car traction electric machine has wider working range,
And the permanent torque and characteristic of invariable power is more suitable for vehicle operation demand when high speed when motor low speed.In recent years, it is used for electronic vapour
The power-driven system and its operating mode of vehicle have become research hotspot.
But due to be related to conventional engines driving and motor drive, structure is often more complicated, occupied space compared with
Greatly, the arrangement of vehicle other component is influenced.
Summary of the invention
Technical problem to be solved by the present invention lies in it is simple to provide a kind of structure, saves space-efficient electric powered motor
Coupled system and its control method.
In order to solve the above technical problem, the present invention provides a kind of electric powered motor coupled systems, comprising:
A kind of electric powered motor coupled system characterized by comprising
Engine；
Generator is coaxially connected with the engine；
Clutch is arranged between the engine and the generator, and the clutch includes mutually matched active
Part and secondary part, the active part of the clutch and the output shaft of the engine are mutually fixed；
Driving motor is connected with the clutch and differential mechanism respectively by transmission device；
The transmission device includes first gear, second gear, third gear, the 4th gear and the 5th gear, and described
One gear is connected with the secondary part of the clutch；The second gear is arranged on the output shaft of the driving motor；Institute
First gear and second gear is stated to be engaged on the third gear；The third gear pass sequentially through the 4th gear and
5th gear is connected with the differential mechanism；
Under electric-only mode, engine, generator do not work, cut-off clutch, and the power of driving motor is through second
Differential mechanism is passed to after gear, third gear and the 4th gear, the 5th gear double reduction；
In the case where increasing journey mode, cut-off clutch, driven by engine electrical power generators, to charge to battery or to driving motor
Power supply, the power of driving motor pass to difference after second gear, third gear and the 4th gear, the 5th gear double reduction
Fast device；
Under combination drive mode, clutch is combined, and power a part of engine is transmitted to the through gear first gear
The power of three gears, driving motor is transmitted to third gear through second gear, realizes the power coupling of engine and driving motor,
Most differential mechanism is passed to after the 4th gear, the 5th gear afterwards.
Preferably, the electric powered motor coupled system further include:
Damper is arranged between the engine and the clutch, and the input terminal of the damper starts with described
Machine is connected, and the output end of the damper is connected with the active part of the clutch.
A kind of control method of electric powered motor coupled system, the electric powered motor coupled system are aforementioned any
The electric powered motor coupled system, which comprises
Step 21, judge the size relation of SOC value of battery and first threshold, or judge SOC value of battery and first simultaneously
The size relation and speed of threshold value and the size relation of second threshold；
Step S22 switches the operating mode of the electric powered motor coupled system according to judging result.
Preferably,
When the step S21 judges that SOC value of battery is higher than first threshold, the step S22 includes: to start described in control
Machine, generator do not work, disconnect the clutch, and the power of the driving motor passes to described after the transmission device
Differential mechanism, the electric powered motor coupled system enter electric-only mode.
Preferably,
When the step S21 judges that SOC value of battery is lower than first threshold and speed is lower than second threshold, the step
S22 includes: that control disconnects the clutch, and electrical power generators described in the driven by engine to battery to charge or to the drive
Dynamic motor power supply, the power of the driving motor pass to the differential mechanism, the electric powered motor through the transmission device
Coupled system, which enters, increases journey mode.
Preferably,
When the step S21 judges that SOC value of battery is lower than first threshold and speed is higher than second threshold, the step
S22 includes: that the control clutch combines, and power a part of the engine and the power of the driving motor are coupled simultaneously
Pass to the differential mechanism；Another part power of the engine drives the electrical power generators to charge to battery or to institute
Driving motor power supply is stated, the electric powered motor coupled system enters combination drive mode.
Preferably, the control method further include:
Step S23 controls the driving motor in braking and generates braking moment and generate induced current in the windings
To charge to battery.
The electric powered motor coupled system and its control method of the embodiment of the present invention, each component layouts are reasonable, and structure is tight
It gathers, is conducive to assemble and save space, improves interior space utilization rate, it can also be automatic according to SOC value of battery and speed demand
Realize the switching of three kinds of operating modes.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of electric powered motor coupled system of the embodiment of the present invention；
Fig. 2 is the flow diagram of the control method of electric powered motor coupled system of the embodiment of the present invention；
Fig. 3 is the schematic diagram that electric powered motor coupled system of the embodiment of the present invention works in electric-only mode；
Fig. 4 is that electric powered motor coupled system of the embodiment of the present invention works in the schematic diagram for increasing journey mode；
Fig. 5 is the schematic diagram that electric powered motor coupled system of the embodiment of the present invention works in mixed mode.
Specific embodiment
The explanation of following embodiment be with reference to attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outside", " top
Portion ", " bottom ", " side " etc. are only direction or position with reference to attached drawing.Therefore, the direction and position term used be to
Illustrate and understand the present invention, rather than limiting the scope of the invention.
It please refers to shown in Fig. 1, the embodiment of the present invention provides a kind of electric powered motor coupled system, comprising:
Engine 10；
Generator 11, and engine 10 is coaxial is connected；
Clutch 20 is arranged between engine 10 and generator 11；
Driving motor 12 is connected with clutch 20 and differential mechanism 30 respectively by transmission device.
Wherein, clutch 20 includes mutually matched active part and secondary part, the active part and hair of clutch 20
100 phase of output shaft of motivation 10 is fixed.
Transmission device specifically includes gear 21-25, in which:
First gear 21 is connected with the secondary part of clutch 20；
Second gear 22 is arranged on the output shaft of driving motor 12；
First gear 21 and second gear 22 are engaged on third gear 23；
Third gear 23 passes sequentially through the 4th gear 24 and the 5th gear 25 is connected with differential mechanism 30.
In the present embodiment, engine 10 with generator 11 is coaxial is connected, structure is more compact, and because both is omitted from
Between additional transmission device, transmission efficiency is higher.The output shaft 100 of engine 10 shown in FIG. 1 and generator 11 as a result,
Motor shaft 110 is same axis.
Buffering is carried out for the output to engine 10 and vibration damping, the present embodiment further include damper 40, is arranged in engine
Between 10 and clutch 20, the input terminal of damper 40 is connected with engine 10, output end and the clutch 20 of damper 40
Active part is connected.Specifically, damper 10 can be torsional vibration damper or fluid coupling.
Differential mechanism 30 is then connected by drive shaft 50 with driving wheel 60.
In the present embodiment, as another implementation, clutch 20 is double clutch, the double clutch include first from
The secondary part of clutch and second clutch, first clutch is connected with generator 11, the secondary part and biography of second clutch
Dynamic device is connected.
The electric powered motor coupled system of above structure, each component layouts are reasonable, compact-sized, are conducive to assemble and save
Save space improves interior space utilization rate.
The dynamic coupling system of the present embodiment has electric-only mode, increases journey mode and combination drive mode, can be according to electricity
Pond SOC value and speed demand realize the switching of Three models automatically, and second embodiment of the present invention provides a kind of as the present invention is real as a result,
The control method of electric powered motor coupled system described in example two is applied, it is shown referring to figure 2., comprising:
Step 21, judge the size relation of SOC value of battery and first threshold, or judge SOC value of battery and first simultaneously
The size relation and speed of threshold value and the size relation of second threshold；
Step S22 switches the operating mode of the electric powered motor coupled system according to judging result.
Specifically, as shown in figure 3, when step S21 judges that SOC value of battery is higher than first threshold, step S22 includes: control
Engine 10 processed, generator 11 do not work, and cut-off clutch 20, the power of driving motor 12 is through second gear 22, third tooth
Differential mechanism 30 is passed to after wheel 23 and the 4th gear 24,25 double reduction of the 5th gear, is transferred power to through differential mechanism 30
Driving wheel 60, vehicle is travelled with electric-only mode in low-speed region at this time, and power transmission line is as shown by the arrows in Figure 3.
As shown in figure 4, when step S21 judges that SOC value of battery is lower than first threshold and speed is lower than second threshold, step
S22 includes: control cut-off clutch 20, and engine 10 drives generator 11 to generate electricity, to charge to battery or to driving motor 12
Power supply, the power of driving motor 12 is through second gear 22, third gear 23 and the 4th gear 24,25 double reduction of the 5th gear
After pass to differential mechanism 30, transfer power to driving wheel 60 through differential mechanism 30, at this time vehicle with increase journey mode traveling in low speed
Region, power transmission line are as shown by the arrows in Figure 4.
As shown in figure 5, when step S21 judges that SOC value of battery is lower than first threshold and speed is higher than second threshold, step
S22 includes: that control clutch 20 combines, and power a part of engine 10 is transmitted to third gear through gear first gear 21
23, the power of driving motor 12 is transmitted to third gear 23 through second gear 22, and realization engine 10 is dynamic with driving motor 12
Couple of force closes, and most passes to differential mechanism 30 after the 4th gear 24, the 5th gear 25 afterwards；Another part power of engine 10 drives
Generator 11 generates electricity, and to charge to battery or power to driving motor 12, vehicle is travelled with combination drive mode in high speed at this time
Region, power transmission line are as shown by the arrows in Figure 5.
In above-mentioned increasing journey mode, since SOC value of battery is lower, generator 11 is used as starting motor, for starting
Engine 10 makes engine 10 that generator 11 be driven to charge to battery；When automobile needs to run at high speed, generator 11 equally will
It is used as starting motor, for starting engine 10,10 output driving torque of engine, the then auxiliary drive of driving motor 12,
Into combination drive mode.
Above-mentioned Three models are embodied as follows with table:
First threshold is used to judge that the height of SOC value of battery, second threshold to be used to judge the height of speed, and the present embodiment is not
The value range of first threshold and second threshold is limited, usually can freely be set according to specific control strategy, it is different
Control strategy under, the value of first threshold and second threshold is all not quite similar.After setting first threshold and second threshold, then
It judges automatically and is automatically switched between Three models according to judging result.
In addition, driving motor 12 generates braking moment brake wheel when automobile brake, while will be generated in its machine winding
Induced current charges to battery, realizes the recycling of braking energy.The control method of the present embodiment as a result, further include:
Step S23 controls the driving motor in braking and generates braking moment and generate induced current in the windings
To charge to battery.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (7)
1. a kind of electric powered motor coupled system characterized by comprising
Engine (10)；
Generator (11), and the engine (10) is coaxial is connected；
Clutch (20) is arranged between the engine (10) and the generator (11), and the clutch (20) includes phase
The active part and secondary part mutually cooperated, the active part of the clutch (20) and the output shaft of the engine (10)
(100) it mutually fixes；
Driving motor (12) is connected with the clutch (20) and differential mechanism (30) respectively by transmission device；
The transmission device includes first gear (21), second gear (22), third gear (23), the 4th gear (24) and the 5th
Gear (25), the first gear (21) are connected with the secondary part of the clutch (20)；Second gear (22) setting
On the output shaft of the driving motor (12)；The first gear (21) and second gear (22) are engaged on the third tooth
It takes turns on (23)；The third gear (23) passes sequentially through the 4th gear (24) and the 5th gear (25) and the differential
Device (30) is connected；
Under electric-only mode, engine (10), generator (11) do not work, cut-off clutch (20), driving motor (12)
Power transmitted after second gear (22), third gear (23) and the 4th gear (24), the 5th gear (25) double reduction
Give differential mechanism (30)；
In the case where increasing journey mode, cut-off clutch (20), engine (10) drives generator (11) power generation, to charge or give to battery
Driving motor (12) power supply, the power of driving motor (12) is through second gear (22), third gear (23) and the 4th gear
(24), differential mechanism (30) are passed to after the 5th gear (25) double reduction；
Under combination drive mode, clutch (20) is combined, and power a part of engine (10) is transmitted through first gear (21)
Power to third gear (23), driving motor (12) is transmitted to third gear (23) through second gear (22), realizes engine
(10) with the power coupling of driving motor (12), differential mechanism most is passed to after the 4th gear (24), the 5th gear (25) afterwards
(30)。
2. electric powered motor coupled system according to claim 1, which is characterized in that the electric powered motor coupling
System further include:
Damper (40) is arranged between the engine (10) and the clutch (20), the input of the damper (40)
End is connected with the engine (10), and the output end of the damper (40) is connected with the active part of the clutch (20).
3. a kind of control method of electric powered motor coupled system, the electric powered motor coupled system is claim 1
~2 any electric powered motor coupled systems, which comprises
Step 21, judge the size relation of SOC value of battery and first threshold, or judge SOC value of battery and first threshold simultaneously
Size relation and speed and second threshold size relation；
Step S22 switches the operating mode of the electric powered motor coupled system according to judging result.
4. control method according to claim 3, which is characterized in that
When the step S21 judges that SOC value of battery is higher than first threshold, the step S22 include: the control engine,
Generator does not work, disconnects the clutch, and the power of the driving motor passes to the difference after the transmission device
Fast device, the electric powered motor coupled system enter electric-only mode.
5. control method according to claim 3, which is characterized in that
When the step S21 judges that SOC value of battery is lower than first threshold and speed is lower than second threshold, the step S22 packet
Include: control disconnects the clutch, and electrical power generators described in the driven by engine to battery to charge or to the driving electricity
The power of machine power supply, the driving motor passes to the differential mechanism, the electric powered motor coupling through the transmission device
System, which enters, increases journey mode.
6. control method according to claim 3, which is characterized in that
When the step S21 judges that SOC value of battery is lower than first threshold and speed is higher than second threshold, the step S22 packet
It includes: controlling the clutch and combine, power a part of the engine and the power of the driving motor are coupled and transmit
To the differential mechanism；Another part power of the engine drives the electrical power generators to charge to battery or to the drive
Dynamic motor power supply, the electric powered motor coupled system enter combination drive mode.
7. control method according to claim 3, which is characterized in that the control method further include:
Step S23, controlled in braking the driving motor generate braking moment and generate in the windings induced current with to
Battery charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810835784.8A CN109080431B (en) | 2014-07-17 | 2014-07-17 | Power coupling system of electric automobile and control method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410340796.5A CN105291809B (en) | 2014-07-17 | 2014-07-17 | A kind of electric powered motor coupled system and its control method |
| CN201810835784.8A CN109080431B (en) | 2014-07-17 | 2014-07-17 | Power coupling system of electric automobile and control method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410340796.5A Division CN105291809B (en) | 2014-07-17 | 2014-07-17 | A kind of electric powered motor coupled system and its control method |
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| Publication Number | Publication Date |
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| CN109080431A true CN109080431A (en) | 2018-12-25 |
| CN109080431B CN109080431B (en) | 2021-05-18 |
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| CN201410340796.5A Active CN105291809B (en) | 2014-07-17 | 2014-07-17 | A kind of electric powered motor coupled system and its control method |
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Cited By (4)
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| CN110901368A (en) * | 2019-11-20 | 2020-03-24 | 江苏新能源汽车研究院有限公司 | Hybrid power drive system and method |
| CN110949368A (en) * | 2019-12-06 | 2020-04-03 | 中国第一汽车股份有限公司 | Control method and device for hybrid vehicle, storage medium and vehicle |
| CN110949115A (en) * | 2019-11-27 | 2020-04-03 | 中国第一汽车股份有限公司 | Hybrid power driving system and vehicle |
| CN112519778A (en) * | 2019-09-19 | 2021-03-19 | 广州汽车集团股份有限公司 | Automobile driving control method, automobile driving control device and storage medium |
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| CN107539308A (en) * | 2016-06-28 | 2018-01-05 | 长城汽车股份有限公司 | Control method, system and the vehicle of vehicle |
| CN106285976B (en) * | 2016-08-31 | 2019-05-03 | 北京新能源汽车股份有限公司 | Control method and device of range-extended automobile engine and range-extended automobile |
| JP6536543B2 (en) * | 2016-11-17 | 2019-07-03 | トヨタ自動車株式会社 | Vehicle control device |
| CN108177522B (en) * | 2018-02-07 | 2021-08-10 | 穆美艳 | A novel motor drags actuating system for electric automobile |
| CN108528197A (en) * | 2018-03-21 | 2018-09-14 | 浙江吉利控股集团有限公司 | It is a kind of for the hybrid power system of vehicle, control method and vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109080431B (en) | 2021-05-18 |
| CN105291809A (en) | 2016-02-03 |
| CN105291809B (en) | 2018-09-07 |
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