CN103358920A - Extended-range type driving system of electrombile - Google Patents
Extended-range type driving system of electrombile Download PDFInfo
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- CN103358920A CN103358920A CN2013102731755A CN201310273175A CN103358920A CN 103358920 A CN103358920 A CN 103358920A CN 2013102731755 A CN2013102731755 A CN 2013102731755A CN 201310273175 A CN201310273175 A CN 201310273175A CN 103358920 A CN103358920 A CN 103358920A
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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
An extended-range type driving system of an electrombile adopts two motors, wherein one motor serves as a main drive motor, and the other motor servers as a range extender generator and also participates in driving work (referred to as the compatible electromotor hereinafter); an output shaft at one end of the compatible electromotor is linked with an engine through a clutch; the output shaft at the other end of the compatible electromotor is oppositely arranged with the output shaft of the main drive motor and is inserted into couplers of a reducer together with a coaxial line. In the case of participating in driving, the clutch separates the engine from the compatible electromotor, and the couplers in the reducers are combined, and the motive power of the compatible electromotor and the main drive motor is aggregated in the couplers of the reducer so as to realize coupling driving by the two motors; in this way, in the case of high power, the two motors are coupled to drive, in the case of extra high load, the engine and the two motors drive in a combined manner, and in the case of insufficient energy of a battery, the driving mode including extended-range type electric driving facilitates adoption of network intelligent control. The extended-range type driving system comprises the engine, the clutch, the compatible electromotor, the reducer, the main drive motor, a generator set controller and a dual-motor controller.
Description
Technical field
The invention belongs to the electric vehicle engineering field, more particularly, relate to a kind of extended-range drive system of battery-driven car.
Background technology
Development along with society, limited oil resources and problem of environmental pollution become and become increasingly conspicuous, this is so that electronlmobil more and more causes the attention of countries in the world government and various circles of society, in the electronlmobil kind, the advantage such as pure electric automobile is high with its zero-emission, efficient, convenient driving, operation is comfortable, energy source is extensive has become the final developing direction of future automobile industry.But, the battery volume that current pure electric automobile loads is large, heavy, price is high, charging duration is long, continue and make that mileage is short to have become the bottleneck of its development, so stroke-increasing electric automobile occurred in recent years, its technology path is the length of getting pure electric vehicle, mend the short of its pure electric vehicle with vehicle-mounted high-energy backup power or generator set, the one, reasonable prestowage reduced battery weight, reduced cost; The 2nd, the user can select vehicle according to the radius that travels of frequent use, has enlarged pure electronic total kilometrage; The 3rd, when the minority long-distance running, there is the oil-fired power generating unit to provide electric energy, energy supplement to popularize conveniently, enlarged the advantages such as continual mileage, make it have marketable, economic pragmatic characteristics, be subject to the favor of industry and user's welcome for this reason, become one of mainstream technology direction of current Development of Electric Vehicles.But, increase by one and overlap independently single cylinder generator set, the little meeting of its power is often worked electrical generator and drive motor simultaneously, be difficult to satisfy vehicle multi-state, high-performance requirement, and noise, vibrations, efficient, control etc. encounter difficulties, safe reliability is lower, is unfavorable for vehicle drive and travelling comfort; Increase high-power independently generator set, bring difficulty for cost, weight, space, structure, efficient etc.The technology path of analyzing domestic and international extended-range electric vehicle all is to increase independently power generating system, and is lower with Integral automobile optimal control conjugation, is difficult to guarantee the car load combined efficiency, limited to extended-range electric vehicle to integrated, intelligent development.For this reason, in conjunction with for many years experimental investigation, proposed a kind of extended-range drive system of battery-driven car, this system is integrated by suitable height, has given full play to the advantage of pure electric vehicle and existing extended-range electric vehicle, has improved the complex optimum degree of drive system; Can satisfy the high-performance needs of multi-state, can satisfy again the at a high speed needs of long distance travel, improve efficient, saved the energy, reduced cost, brought convenience, for the development of battery-driven car has proposed a technical strategies.
Summary of the invention
The present invention proposes a kind of extended-range drive system of battery-driven car, it is characterized in that: adopt two identical motors of parameter, one of them motor is as main drive motor, another motor is except the electrical generator of doing distance increasing unit, participate in driving work with the main drive motor coupling, (calling compatible electrical motor in the following text), one end output shaft connects with driving engine by power-transfer clutch, other end output shaft and main drive motor output shaft are staggered relatively, and coaxial line is inserted in the coupler of retarder; When participating in driving, power-transfer clutch separates driving engine with compatible electrical motor, the simultaneously coupler combination in the retarder, and the power of compatible electrical motor and driver motor is realized compiling in the retarder coupler, realizes double-motor couple drive Vehicle Driving Cycle; With the above assembly machine that becomes one, under the car load network control, single motor individual drive in the time of can obtaining high speed, driving engine and double-motor combination drive when double-motor couple drive, especially big load when high-power, extended-range multiple drive modes such as driving of the generating electricity when energy content of battery is not enough, make things convenient for the intelligent control of Adoption Network, guaranteed choose reasonable and the switching of various drive patterns; Native system comprises: driving engine, power-transfer clutch, compatible electrical motor, retarder, main electrical motor, generator set controller, the Double Motor Control device of driving.
The described driving engine of native system has been taked V-arrangement two cylinder water-cooled four cycle engines, has improved power with small-sized Zengcheng device driving engine ratio, also possesses the compartment heating condition, and its threshold value is to satisfy the main drive motor scope of operating at full capacity; The native system power-transfer clutch is to guarantee to switch driving engine and connecting with smooth of compatible machine electrical motor; The compatible electrical motor of native system is its power of permagnetic synchronous motor with main to drive electrical motor identical, and participates in together driving, and connects with driving engine when needs increase Cheng Fadian, generates electricity under generator set controller is controlled; The retarder of native system is the function that possesses the double-motor couple drive, the relative coaxial line of its double-motor output shaft is placed, and is inserted in the coupler of retarder, coupler in conjunction with the time, realize compiling in the coupler of the power of described two motors in retarder, then drive Vehicle Driving Cycle; The driver motor of native system is permagnetic synchronous motor, and its power threshold is less about one times than single motor-driven pure electric vehicle driving motor power.
As mentioned above, because the distance increasing unit motor participates in driving, make main drive motor reduce power, so can improve the motor revolution, covering can enlarge the retarder speed ratio by revolution, thereby can take direct driving, has deducted gearshift; Because compatible motor power (output) is identical with driver motor power, can keep preferably rideability under the journey pattern increasing, still moment participates in driving the excellent tractive performance of maintenance when large load occurring; Because the main drive motor power reduction makes machine operation between high efficient area, the motor own loss reduces to have saved the energy; Because power of motor reduces to have reduced motor diameter, made things convenient for integrated and layout; Because power of motor reduces to make the electrokinetic cell bus current to reduce, and has reduced line loss, saved the energy and enlarged the continuous mileage that makes; Because power of motor reduces, and has reduced the heavy current impact chance and has improved battery life.
As mentioned above, single motor individual drive when a kind of extended-range drive system of battery-driven car has possessed high speed, increase journey machine and double-motor combination drive when high-power when double-motor couple drive, especially big load, the extended-range multiple drive modes such as driving of the generating electricity when energy content of battery is not enough, the various working demand that more adapts to automobile, convenient intelligent control and management, driveability and the in-use performance of orthodox car approached and surpassed, advance and practicality possessed; Since highly integrated and unified considerations loading space with rationally support, native system keeps in repair in car load design arrangement, manufacturing, the reduction cost, increase the benefit, make things convenient for the aspect such as volume production also all to have the incomparable advance of present battery-driven car; As mentioned above, the present technique route is that the industrialization of electronlmobil has proposed a new road, and the development of new-energy automobile is had great importance and positive effect.
Description of drawings
Fig. 1 is the block diagram of the extended-range drive system of a kind of battery-driven car of the present invention.
Fig. 2 is the block diagram of driving engine among the present invention.
Fig. 3 is the block diagram of power-transfer clutch among the present invention.
Fig. 4 is the section-drawing of power-transfer clutch among the present invention.
Fig. 5 is the block diagram of compatible electrical motor among the present invention.
Fig. 6 is the block diagram of retarder among the present invention.
Fig. 7 is the section-drawing of retarder among the present invention.
Fig. 8 is the block diagram of main drive motor among the present invention.
Fig. 9 is the whole electric vehicle network control block diagram of association of the present invention.
The specific embodiment
Shown in Figure 1 is the block diagram of the extended-range drive system of a kind of battery-driven car of the present invention, and 1 is driving engine among the figure, and 2 is power-transfer clutchs among the figure, and 3 is compatible electrical motors among the figure, and 4 is retarders among the figure, and 5 is main drive motors among the figure.
Shown in Figure 2 is the block diagram of driving engine among the present invention, and 1-1 is the rim of the mouth that connects with power-transfer clutch among the figure, and 1-2 is the tapped bore that connects with power-transfer clutch among the figure, and 1-3 is output spline among the figure, and 1-4 is the supported hole of driving engine among the figure, and the weight of whole unit is born in this hole.
Fig. 3 is the block diagram of power-transfer clutch among the present invention, 2-1 is the low pressure control line of power-transfer clutch among the figure, 2-2 is the installation through hole of power-transfer clutch and engine thread hole 1-2 among the figure, 2-3 is the installation rim of the mouth that cooperates with driving engine rim of the mouth 1-1 among the figure, 2-4 is the installation through hole that connects with compatible electrical motor among the figure, and 2-5 is clutch-bell cover among the figure.
Shown in Figure 4 is the section-drawing of power-transfer clutch among the present invention, 2-6 is clutch-bell cover among the figure, 2-7 is clutch driven disc among the figure, 2-8 is the output shaft splined hole of power-transfer clutch among the figure, and 2-9 is the clutch support bearing among the figure, and 2-10 is the power-transfer clutch protecgulum among the figure, 2-11 is the power-transfer clutch conducting ring among the figure, this conducting ring connects with the low pressure control line 2-1 of power-transfer clutch, and 2-12 is the input shaft splined hole of power-transfer clutch among the figure, and this hole cooperates with driving engine output spline 1-3.
Need to prove shown in this case power-transfer clutch figure to be magnetic clutch, have dry type and wet type selective, can certainly select the power-transfer clutch of other types, such as Hydrautic damping, magnetic rheology type etc., this case needn't be stated more; In addition, the power-transfer clutch of this case diagram is the combination that powers on, and namely driving engine is combined with compatible electrical motor and is generated electricity, and lower electricity separation stops generating.
Shown in Figure 5 is the block diagram of compatible electrical motor among the present invention, 3-1 is the installation through hole that through hole 2-4 is installed with power-transfer clutch among the figure, 3-2 is the mounting hole of compatible electrical motor and retarder among the figure, 3-3 is output spline before the compatible electrical motor among the figure,, 3-4 is output line row 3 on the dynamic line wherein of compatible electrical motor among the figure, control line is a branch of, 3-5 is castellated shaft after the output of compatible electrical motor among the figure, and this axle cooperates with the output shaft splined hole 2-8 of power-transfer clutch.
Shown in Figure 6 is the block diagram of retarder among the present invention, 4-1 is and the mounting hole of compatible electrical motor and driver motor among the figure, and 4-2 is the input shaft bore position among the figure, and 4-3 is the intermediate shaft hole position among the figure, 4-4 is the output shaft hole position among the figure, and 4-5 is the retarder supported hole among the figure; Width between centers this case about the retarder axis hole is shown on the line, design attitude as required during actual design.
Shown in Figure 7 is the section-drawing of retarder among the present invention, 4-6 is the retarder end cap among the figure, 4-7 is rear input shaft among the figure, 4-8 is the splined hole of rear input shaft among the figure, this hole connects with output spline 3-3 before the compatible electrical motor, 4-9 is the bearing cap shim holding screw among the figure, 4-10 is bearing cap shim among the figure, 4-11 is oil sealing among the figure, 4-12 is retarder side cover holding screw among the figure, 4-13 is reducer shell among the figure, 4-14 is the diff backup bearing among the figure, 4-15 is differential assembly among the figure, 4-16 is the countershaft-gear assembly among the figure, 4-17 is the tween drive shaft end cap among the figure, 4-18 is front input shaft among the figure, 4-19 is front input shaft splined hole among the figure, 4-20 is bearing cover, input shaft among the figure, 4-21 is the bearing cover, input shaft screw among the figure, and 4-22 is that coupler covers tightly solid screw in the retarder among the figure, and 4-23 is coupler lid in the retarder among the figure, 4-24 is the low pressure control line of coupler in the retarder among the figure, 4-25 is the driving disc spacing pressing of described coupler among the figure, and 4-26 is the clutch plate of described coupler among the figure, and 4-27 is the backup bearing of described coupler among the figure.
What have to illustrate is coupler in the described retarder, and this case is graphic to be the electromagnetic type coupler, actual and power-transfer clutch roughly the same, this case is according to its function name.4-24 is that the low pressure control line of coupler in the retarder is when powering in the drawings, the driving disc spacing pressing 4-25 of coupler is combined with clutch plate 4-26, the power of front output spline 3-3 of compatible electrical motor 3 was convenient to driver motor and was compiled this moment, pass to wheel by the diff 4-15 in the retarder 4 together, drive running car.Certainly, when compatible electrical motor 3 participated in driving, the low pressure control line 2-1 of power-transfer clutch 2 was power-down state certainly, and this will solve aspect control.The described coupler of this case can be selected the coupler of other types, such as the Hydrautic damping power-transfer clutch, and silicon oil clutch, magnetic rheological clutch etc., this case only provides the principle explanation, should determine according to reality during the concrete engineering design.
Shown in Figure 8 is the block diagram of main drive motor among the present invention, 5-1 is the installation with retarder mounting hole 4-1 among the figure, 5-2 is the mounting hole of main drive motor among the figure, the weight of this hole and the whole unit of motor support hole 1-4 shared, so that should design is reliable, 5-3 is the housing of main drive motor among the figure, 5-4 is the output line row of main drive motor among the figure, three power bus and control line are wherein arranged, 5-5 is the output spline of main drive motor among the figure, and this castellated shaft cooperates connection with the spline axis hole 4-19 of retarder.
Fig. 9 is the whole electric vehicle network control block diagram of association of the present invention shown in being, generator set controller among the figure and Dual-motors Driving controller are the contents of this case, this case generator set controller is different from existing engine controller, reason is different as the engine operation environment of distance increasing unit, require constant revolution, the voltage and current controlled reset is stabilized in the efficient district of requirement, for this reason, need generator set directly to control E-gas.Acquisition module among the figure is to gather engine state parameters, the module of network-related parameters; Generator group control module among the figure is the module of control engine mode of operation, and corresponding warning function is arranged simultaneously.Clutch controller among the figure is special control clutch combination and the controller that separates; Receive the instruction of entire car controller generating at generator set controller after, namely send start the engine and order in conjunction with power-transfer clutch, clutch controller just in time powers on to power-transfer clutch.
Dual-motors Driving controller among the figure is entire car controller subordinate implementation controller, and it comprises main drive motor controller, compatible electric machine controller and coupler controller; When main drive motor can not satisfy the driving torque demand, compatible electric machine controller was just given an order and is started the coupler controller, and powering on to coupler guarantees that compatible electrical motor enters work; Here coupler has two states before entering work, and the one, in generating, the 2nd, in armed state, but this two states is all obeyed the driving order, namely drives order preferential.
The detailed control policy that this case is relevant and the explanation of method and controller soft hardware will carefully stated in the patent in addition, and this case is discussed no longer in detail.
Although the above has been described with reference to the accompanying drawings the present invention, those skilled in the art are to be appreciated that above-mentioned explanation only is that the signal of the specific embodiment is set forth, and scope of the present invention is not restricted to above-mentioned specific embodiment.Certainly, the present invention is not limited to and is applied to electric automobiles, also can be applicable to other driving project roughly the same.
Claims (2)
1. the present invention proposes a kind of extended-range drive system of battery-driven car, it is characterized in that: adopt two identical motors of parameter, one of them motor is as main drive motor, another motor is except the electrical generator of doing distance increasing unit, participate in driving work with the main drive motor coupling, (calling compatible electrical motor in the following text), one end output shaft connects with driving engine by power-transfer clutch, other end output shaft and main drive motor output shaft are staggered relatively, and coaxial line is inserted in the coupler of retarder; When participating in driving, power-transfer clutch separates driving engine with compatible electrical motor, the simultaneously coupler combination in the retarder, and the power of compatible electrical motor and driver motor is realized compiling in the retarder coupler, realizes double-motor couple drive Vehicle Driving Cycle; With the above assembly machine that becomes one, under the car load network control, single motor individual drive in the time of can obtaining high speed, driving engine and double-motor combination drive when double-motor couple drive, especially big load when high-power, extended-range multiple drive modes such as driving of the generating electricity when energy content of battery is not enough, make things convenient for the intelligent control of Adoption Network, guaranteed choose reasonable and the switching of various drive patterns; Native system comprises: driving engine, power-transfer clutch, compatible electrical motor, retarder, main electrical motor, generator set controller, the Double Motor Control device of driving.
2. the as above extended-range drive system of 1 described a kind of battery-driven car, be further characterized in that: described driving engine has been taked V-arrangement two cylinder water-cooled four cycle engines, improved power with small-sized Zengcheng device driving engine ratio, also possess the compartment heating condition, its threshold value is to satisfy the main drive motor scope of operating at full capacity; The native system power-transfer clutch is to guarantee to switch driving engine and connecting with smooth of compatible machine electrical motor; The compatible electrical motor of native system is its power of permagnetic synchronous motor with main to drive electrical motor identical, and participates in together driving, and connects with driving engine when needs increase Cheng Fadian, generates electricity under generator set controller is controlled; The retarder of native system is the function that possesses the double-motor couple drive, the relative coaxial line of its double-motor output shaft is placed, and is inserted in the coupler of retarder, coupler in conjunction with the time, realize compiling in the coupler of the power of described two motors in retarder, then drive Vehicle Driving Cycle; The driver motor of native system is permagnetic synchronous motor, and its power threshold is less about one times than single motor-driven pure electric vehicle driving motor power.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102731755A CN103358920A (en) | 2013-07-02 | 2013-07-02 | Extended-range type driving system of electrombile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102731755A CN103358920A (en) | 2013-07-02 | 2013-07-02 | Extended-range type driving system of electrombile |
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| CN103358920A true CN103358920A (en) | 2013-10-23 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101345452A (en) * | 2007-07-09 | 2009-01-14 | 比亚迪股份有限公司 | Hybrid power driving system |
| DE102010039653A1 (en) * | 2010-08-23 | 2012-02-23 | Bayerische Motoren Werke Aktiengesellschaft | Method for operating range extender in electric vehicle e.g. electric car, involves activating range extender of vehicle in respective route section based on power requirement of electric vehicle with respect to travel route |
| DE102011106292A1 (en) * | 2011-07-01 | 2012-04-05 | Daimler Ag | Method for checking and adjusting range extension power train of hybrid vehicle, involves performing several tests and/or adaptation methods of individual components of drive train |
| CN102765329A (en) * | 2012-07-02 | 2012-11-07 | 奇瑞汽车股份有限公司 | Power assembly of range extended electric vehicle |
| CN102874107A (en) * | 2012-09-18 | 2013-01-16 | 中国第一汽车股份有限公司 | Extended range electromobile power system using dual-clutch transmission gear |
| DE102011112870A1 (en) * | 2011-09-07 | 2013-03-07 | Paragon Ag | Range extender for electric car, has climate compressor driven with switchable clutch from electric car-side battery over generator functioning as electromotor in operating mode with sufficient charge state of electric car-side battery |
-
2013
- 2013-07-02 CN CN2013102731755A patent/CN103358920A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101345452A (en) * | 2007-07-09 | 2009-01-14 | 比亚迪股份有限公司 | Hybrid power driving system |
| DE102010039653A1 (en) * | 2010-08-23 | 2012-02-23 | Bayerische Motoren Werke Aktiengesellschaft | Method for operating range extender in electric vehicle e.g. electric car, involves activating range extender of vehicle in respective route section based on power requirement of electric vehicle with respect to travel route |
| DE102011106292A1 (en) * | 2011-07-01 | 2012-04-05 | Daimler Ag | Method for checking and adjusting range extension power train of hybrid vehicle, involves performing several tests and/or adaptation methods of individual components of drive train |
| DE102011112870A1 (en) * | 2011-09-07 | 2013-03-07 | Paragon Ag | Range extender for electric car, has climate compressor driven with switchable clutch from electric car-side battery over generator functioning as electromotor in operating mode with sufficient charge state of electric car-side battery |
| CN102765329A (en) * | 2012-07-02 | 2012-11-07 | 奇瑞汽车股份有限公司 | Power assembly of range extended electric vehicle |
| CN102874107A (en) * | 2012-09-18 | 2013-01-16 | 中国第一汽车股份有限公司 | Extended range electromobile power system using dual-clutch transmission gear |
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Application publication date: 20131023 |