CN106183839A - A kind of electric powered motor coupled system and control method thereof - Google Patents
A kind of electric powered motor coupled system and control method thereof Download PDFInfo
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- CN106183839A CN106183839A CN201510227162.3A CN201510227162A CN106183839A CN 106183839 A CN106183839 A CN 106183839A CN 201510227162 A CN201510227162 A CN 201510227162A CN 106183839 A CN106183839 A CN 106183839A
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- electromotor
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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Abstract
The present invention provides a kind of electric powered motor coupled system and control method thereof, and wherein, electric powered motor coupled system includes: electromotor (10)；Electromotor (11), is coaxially connected with described electromotor (10)；Start motor (13), be connected with described electromotor (10), be used for starting described electromotor (10)；Clutch (20), is arranged between described electromotor (10) and described electromotor (11)；Drive motor (12), be connected with described clutch (20) and described differential mechanism (30) respectively by gear.The present invention disclosure satisfy that the various power demand of car load.
Description
Technical field
The present invention relates to new-energy automobile field, particularly relate to a kind of electric powered motor coupled system and control method thereof.
Background technology
Along with shortage and the raising of people's environmental consciousness of petroleum resources, in the urgent need to the energy and the environmental protection automobile product of low emission even zero-emission can be saved.To this end, various types of electric automobile is developed going into overdrive in countries in the world government and each big automobile making commercial city.Compared with traditional combustion engine, electric automobile traction electric machine has wider working range, and during motor low speed, when permanent torque and high speed, the characteristic of invariable power is more suitable for vehicle operation demand.In recent years, power-driven system and mode of operation thereof for electric automobile have become study hotspot.
But, driving and motor-driven owing to relating to conventional engines, the demand of power is changed by car load more, the most effectively meets the control program of the various power demand of car load.
Summary of the invention
The technical problem to be solved is, it is provided that a kind of electric powered motor coupled system and control method thereof, it is possible to meet the various power demand of car load.
In order to solve above-mentioned technical problem, the present invention provides a kind of electric powered motor coupled system, including:
Electromotor；
Electromotor, is coaxially connected with described electromotor；
Start motor, be connected with described electromotor, be used for starting described electromotor；
Clutch, is arranged between described electromotor and described electromotor；
Drive motor, be connected with described clutch and described differential mechanism respectively by gear.
Wherein, described clutch includes active part and the secondary part cooperated, and the active part of described clutch fixes with the output shaft of described electromotor.
Wherein, described gear includes that the first gear, the second gear, the 3rd gear, the 4th gear and the 5th gear, described first gear are connected with the secondary part of described clutch；Described second gear is arranged on the output shaft of described driving motor；Described first gear and the second gear are all engaged on described 3rd gear；Described 3rd gear passes sequentially through described 4th gear and is connected with described differential mechanism with described 5th gear.
Wherein, described electric powered motor coupled system also includes:
Vibroshock, is arranged between described electromotor and described clutch, and the input of described vibroshock is connected with described electromotor, and the outfan of described vibroshock is connected with the active part of described clutch.
The present invention also provides for a kind of electric powered motor coupled system, including:
Electromotor；
Electromotor, is coaxially connected with described electromotor；
Start motor, be connected with described electromotor, be used for starting described electromotor；
Clutch, is arranged between described electromotor and described electromotor；
Drive motor, be connected with described clutch and described differential mechanism respectively by gear；
Wherein, described clutch is double clutch, and described double clutch includes that first clutch and second clutch, the secondary part of described first clutch are connected with described electromotor, and the secondary part of described second clutch is connected with described gear.
The present invention also provides for the control method of a kind of electric powered motor coupled system, including:
Step S21, when SOC value of battery is less than first threshold, controls described electric powered motor coupled system according to speed height and enters increasing journey pattern or combination drive pattern；
Step S22, when described increasing journey pattern travels, resolves accelerator pedal signal and calculates torque demand according to current vehicle speed, controlling to drive motor output torque, directly control engine speed, in the range of making electromotor operate in rotating speed of target simultaneously；
Step S23, when described combination drive pattern travels, resolves accelerator pedal signal and calculates torque demand according to current vehicle speed, controlling to drive motor and engine output torque.
Wherein, described step S21 specifically includes:
When speed is less than the second threshold values, controls described electric powered motor coupled system and enter increasing journey pattern；
When speed is higher than the second threshold values, controls described electric powered motor coupled system and enter combination drive pattern.
Wherein, described control described electric powered motor coupled system entrance increasing journey pattern specifically includes:
Control to disconnect described clutch, described electromotor is as starting electromotor described in electric motor starting, electrical power generators described in described driven by engine after startup, to battery charging or to power to described driving motor, the power of described driving motor passes to described differential mechanism through described gear.
Wherein, described control described electric powered motor coupled system entrance combination drive pattern specifically includes:
Controlling described clutch to combine, the power of described electromotor is a part of to be coupled with described driving motor power and passes to described differential mechanism；Another part power of described electromotor drives described electrical power generators to battery charging or to power to described driving motor.
Wherein, described control method also includes:
When SOC value of battery is higher than first threshold, control described electromotor, electromotor does not works, disconnecting described clutch, the power of described driving motor passes to described differential mechanism after described gear, and described electric powered motor coupled system enters electric-only mode.
Embodiment of the present invention electric powered motor coupled system and control method thereof, can be automatically obtained the switching of various mode of operation, meet the various power demand of car load according to SOC value of battery and speed demand.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present invention one electric powered motor coupled system.
Fig. 2 is the schematic flow sheet of the control method of the embodiment of the present invention two electric powered motor coupled system.
Fig. 3 is that in the embodiment of the present invention two, electric powered motor coupled system works in the schematic diagram increasing journey pattern.
Fig. 4 is the schematic diagram that in the embodiment of the present invention two, electric powered motor coupled system works in mixed model.
Fig. 5 is the schematic diagram that in the embodiment of the present invention two, electric powered motor coupled system works in electric-only mode.
Detailed description of the invention
The explanation of following embodiment is with reference to accompanying drawing, can be in order to the specific embodiment implemented in order to the example present invention.Direction that the present invention is previously mentioned and position term, such as " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " top ", " bottom ", " side " etc., be only the direction with reference to accompanying drawing or position.Therefore, the direction of use and position term are to illustrate and understand the present invention, rather than limiting the scope of the invention.
Refer to shown in Fig. 1, the embodiment of the present invention one provides a kind of electric powered motor coupled system, including:
Electromotor 10；
Electromotor 11, is coaxially connected with electromotor 10；
Start motor 13, be connected with electromotor 10, be used for starting electromotor 10；
Clutch 20, is arranged between electromotor 10 and electromotor 11；
Drive motor 12, be connected with clutch 20 and differential mechanism 30 respectively by gear.
The present embodiment individually starts motor 13 by arranging, when electromotor 10 needs to start, can more rapid and undisturbedly start electromotor 10, the electromotor 10 after startup drives electromotor 11, and to battery charging or to driving motor 12 to power, electromotor 11 is not used to start electromotor 10.
Wherein, clutch 20 includes that active part and the secondary part cooperated, the active part of clutch 20 fix with the output shaft 100 of electromotor 10.The axle that gear is connected with clutch 20 is hollow axle.
Gear specifically includes gear 21-25, wherein:
First gear 21 is connected with the secondary part of clutch 20；
Second gear 22 is arranged on the output shaft driving motor 12；
First gear 21 and the second gear 22 are all engaged on the 3rd gear 23；
3rd gear 23 passes sequentially through the 4th gear 24 and is connected with differential mechanism 30 with the 5th gear 25.
In the present embodiment, electromotor 10 is coaxially connected with electromotor 11, and structure is the compactest, and because being omitted from the most extra gear, transmission efficiency is higher.Thus, the output shaft 100 of the electromotor 10 shown in Fig. 1 is same axle with the motor shaft 110 of electromotor 11.
For buffering the output of electromotor 10 and vibration damping, the present embodiment also includes vibroshock 40, is arranged between electromotor 10 and clutch 20, and the input of vibroshock 40 is connected with electromotor 10, and the outfan of vibroshock 40 is connected with the active part of clutch 20.Concrete, vibroshock 10 can be torsional vibration damper or fluid coupling.
Differential mechanism 30 is then connected with driving wheel 60 by drive shaft 50.
In the present embodiment, as another kind of implementation, clutch 20 is double clutch, and this double clutch includes first clutch and second clutch, and the secondary part of first clutch is connected with electromotor 11, and the secondary part of second clutch is connected with gear.
The electric powered motor coupled system of said structure, each component layouts is reasonable, compact conformation, is conducive to assembling and saves space, improve interior space utilization rate.
The dynamic coupling system of the present embodiment has electric-only mode, increases journey pattern and combination drive pattern, the switching of Three models can be automatically obtained according to SOC value of battery and speed demand, thus, the embodiment of the present invention two provides the control method of a kind of electric powered motor coupled system implemented as described in such as the present invention, refer to shown in Fig. 2, including:
Step S21, when SOC value of battery is less than first threshold, controls described electric powered motor coupled system according to speed height and enters increasing journey pattern or combination drive pattern；
Step S22, when described increasing journey pattern travels, resolves accelerator pedal signal and calculates torque demand according to current vehicle speed, controlling to drive motor output torque, directly control engine speed, in the range of making electromotor operate in rotating speed of target simultaneously；
Step S23, when described combination drive pattern travels, resolves accelerator pedal signal and calculates torque demand according to current vehicle speed, controlling to drive motor and engine output torque.
When increasing journey pattern and travelling, if speed is higher than Second Threshold, then controls clutch 20 and combine, enter combination drive pattern；When combination drive pattern travels, if speed is less than Second Threshold, then controlling cut-off clutch 20, vehicle switches to increasing journey pattern to travel.It is to say, when SOC value of battery is less than first threshold, increasing journey pattern (speed is less than Second Threshold) can be automatically selected according to the height situation of speed or combination drive pattern (speed is higher than Second Threshold) is driven, to meet the power demand of car load.
As shown in Figure 3, control described electric powered motor coupled system entrance increasing journey pattern to specifically include: control cut-off clutch 20, electromotor 11 is as starting electric motor starting electromotor 10, electromotor 10 after startup drives electromotor 11 to generate electricity, with to battery charging or to driving motor 12 to power, drive the power of motor 12 through the second gear 22, 3rd gear 23 and the 4th gear 24, differential mechanism 30 is passed to after 5th gear 25 double reduction, driving wheel 60 is transferred power to through differential mechanism 30, now vehicle travels at low-speed region to increase journey pattern, power transmission line is as shown by the arrows in Figure 3.
As shown in Figure 4, control described electric powered motor coupled system entrance combination drive pattern to specifically include: control clutch 20 and combine, a power part for electromotor 10 is delivered to the 3rd gear 23 through gear the first gear 21, drive motor 12 for process auxiliary drive, its power is delivered to the 3rd gear 23 through the second gear 22, the power coupling realizing electromotor 10 and drive motor 12, the power after coupling passes to differential mechanism 30 after the 4th gear the 24, the 5th gear 25；Another part power of electromotor 10 drives electromotor 11 to generate electricity, and to charge to battery or to power to driving motor 12, now vehicle travels at high-speed region with combination drive pattern, and power transmission line is as shown by the arrows in Figure 4.
The most as shown in Figure 5, when SOC value of battery is higher than first threshold, control electromotor 10, electromotor 11 does not works, cut-off clutch 20, the power driving motor 12 passes to differential mechanism 30 after the second gear the 22, the 3rd gear 23 and the 4th gear the 24, the 5th gear 25 double reduction, transferring power to driving wheel 60 through differential mechanism 30, now vehicle travels in full vehicle-speed region with electric-only mode, and power transmission line is as shown by the arrows in Figure 5.
It should be noted that electromotor 11 is all not used to drive vehicle under any operating mode, drive motor 12 only to play driving effect, do not use generating/electronic double-mode, i.e. drive motor brakeless energy recovery function.
Above-mentioned Three models embodies as follows with form:
First threshold is for judging the height of SOC value of battery, Second Threshold is for judging the height of speed, the span of first threshold and Second Threshold is not limited by the present embodiment, generally freely can set according to concrete control strategy, under different control strategies, the value of first threshold and Second Threshold is all not quite similar.After setting first threshold and Second Threshold, then automatic decision automatically switching between Three models according to judged result.
The above disclosed present pre-ferred embodiments that is only, certainly can not limit the interest field of the present invention, the equivalent variations therefore made according to the claims in the present invention with this, still belong to the scope that the present invention is contained.
Claims (10)
1. an electric powered motor coupled system, it is characterised in that including:
Electromotor (10)；
Electromotor (11), is coaxially connected with described electromotor (10)；
Start motor (13), be connected with described electromotor (10), be used for starting described electromotor (10)；
Clutch (20), is arranged between described electromotor (10) and described electromotor (11)；
Drive motor (12), be connected with described clutch (20) and described differential mechanism (30) respectively by gear.
Electric powered motor coupled system the most according to claim 1, it is characterized in that, described clutch (20) includes that active part and the secondary part cooperated, the active part of described clutch (20) fix with the output shaft (100) of described electromotor (10).
Electric powered motor coupled system the most according to claim 2, it is characterized in that, described gear includes that the first gear (21), the second gear (22), the 3rd gear (23), the 4th gear (24) and the 5th gear (25), described first gear (21) are connected with the secondary part of described clutch (20)；Described second gear (22) is arranged on the output shaft of described driving motor (12)；Described first gear (21) and the second gear (22) are all engaged on described 3rd gear (23)；Described 3rd gear (23) passes sequentially through described 4th gear (24) and is connected with described differential mechanism (30) with described 5th gear (25).
4. according to the electric powered motor coupled system described in Claims 2 or 3, it is characterised in that described electric powered motor coupled system also includes:
Vibroshock (40), it is arranged between described electromotor (10) and described clutch (20), the input of described vibroshock (40) is connected with described electromotor (10), and the outfan of described vibroshock (40) is connected with the active part of described clutch (20).
5. an electric powered motor coupled system, it is characterised in that including:
Electromotor (10)；
Electromotor (11), is coaxially connected with described electromotor (10)；
Start motor (13), be connected with described electromotor (10), be used for starting described electromotor (10)；
Clutch (20), is arranged between described electromotor (10) and described electromotor (11)；
Drive motor (12), be connected with described clutch (20) and described differential mechanism (30) respectively by gear；
Wherein, described clutch (20) is double clutch, described double clutch includes that first clutch and second clutch, the secondary part of described first clutch are connected with described electromotor (11), and the secondary part of described second clutch is connected with described gear.
6. a control method for the electric powered motor coupled system as described in any one of claim 1-5, including:
Step S21, when SOC value of battery is less than first threshold, controls described electric powered motor coupled system according to speed height and enters increasing journey pattern or combination drive pattern；
Step S22, when described increasing journey pattern travels, resolves accelerator pedal signal and calculates torque demand according to current vehicle speed, controlling to drive motor output torque, directly control engine speed, in the range of making electromotor operate in rotating speed of target simultaneously；
Step S23, when described combination drive pattern travels, resolves accelerator pedal signal and calculates torque demand according to current vehicle speed, controlling to drive motor and engine output torque.
Control method the most according to claim 6, it is characterised in that described step S21 specifically includes:
When speed is less than the second threshold values, controls described electric powered motor coupled system and enter increasing journey pattern；
When speed is higher than the second threshold values, controls described electric powered motor coupled system and enter combination drive pattern.
Control method the most according to claim 7, it is characterised in that described control described electric powered motor coupled system enters increasing journey pattern and specifically includes:
Control to disconnect described clutch, described electromotor is as starting electromotor described in electric motor starting, electrical power generators described in described driven by engine after startup, to battery charging or to power to described driving motor, the power of described driving motor passes to described differential mechanism through described gear.
Control method the most according to claim 7, it is characterised in that described control described electric powered motor coupled system enters combination drive pattern and specifically includes:
Controlling described clutch to combine, the power of described electromotor is a part of to be coupled with described driving motor power and passes to described differential mechanism；Another part power of described electromotor drives described electrical power generators to battery charging or to power to described driving motor.
Control method the most according to claim 6, it is characterised in that described control method also includes:
When SOC value of battery is higher than first threshold, control described electromotor, electromotor does not works, disconnecting described clutch, the power of described driving motor passes to described differential mechanism after described gear, and described electric powered motor coupled system enters electric-only mode.
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| CN201510227162.3A CN106183839A (en) | 2015-05-07 | 2015-05-07 | A kind of electric powered motor coupled system and control method thereof |
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| CN201510227162.3A CN106183839A (en) | 2015-05-07 | 2015-05-07 | A kind of electric powered motor coupled system and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111697755A (en) * | 2020-03-31 | 2020-09-22 | 熵零技术逻辑工程院集团股份有限公司 | Transmission system and engine system using same |
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Application publication date: 20161207 |