CN102166949A - Electric-auxiliary hybrid power vehicle drive system - Google Patents
Electric-auxiliary hybrid power vehicle drive system Download PDFInfo
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- CN102166949A CN102166949A CN2011100906883A CN201110090688A CN102166949A CN 102166949 A CN102166949 A CN 102166949A CN 2011100906883 A CN2011100906883 A CN 2011100906883A CN 201110090688 A CN201110090688 A CN 201110090688A CN 102166949 A CN102166949 A CN 102166949A
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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
本发明提供的电辅助式混合动力汽车驱动系统，由前轮驱动装置及后轮驱动装置组成，其中：前轮驱动装置主要由前置发动机（3）和发动机控制器（12）、变速器（2）组成，前置发动机通过机械连接变速器（2），并且通过电气连接发动机控制器（12），该前置发动机由发动机控制器控制，经变速器输出动力驱动前轮；后轮驱动装置主要由动力电池（5）、控制器和电机组成，其中，控制器通过电气连接和控制电机，动力电池（5）通过电气连接电机，该电机由控制器控制，驱动后轮；前置发动机（3）和电机之间无动力联系，它们通过动力转换装置（4）来切换，实现汽车的驱动方式的转换。本发明具有结构简单、控制方便、价格低廉和维修方便等优点。
The drive system of the electrically assisted hybrid electric vehicle provided by the present invention is composed of a front wheel drive device and a rear wheel drive device, wherein the front wheel drive device mainly consists of a front engine (3), an engine controller (12), a transmission (2 ), the front engine is mechanically connected to the transmission (2), and is electrically connected to the engine controller (12), the front engine is controlled by the engine controller, and the transmission outputs power to drive the front wheels; Composed of a battery (5), a controller and a motor, wherein the controller is electrically connected to and controls the motor, the power battery (5) is electrically connected to the motor, and the motor is controlled by the controller to drive the rear wheels; the front engine (3) and There is no power connection between the motors, and they are switched through the power conversion device (4) to realize the conversion of the driving mode of the vehicle. The invention has the advantages of simple structure, convenient control, low price, convenient maintenance and the like.
Description
Technical field
The present invention relates to mixed power automobile driving system, particularly relate to a kind of electric assist type mixed power automobile driving system.
Background technology
Compare with diesel locomotive, at the bottom of electronlmobil has emission-free discharging, a noise, advantage such as energy-conservation.Traditional electric automobile is the mono-powered battery, this automobile phenomenon that may not can occurring powers stops of travelling in the city, if but carry out long-distance running, then the powered battery deficiency has limited the development of electronlmobil.
In the general Series Hybrid-Power Vehicle drive system in modern times, drive running car thereby drive heavy-duty motor by electric electrical hookup.And driving engine also is the accessory power system for power battery charging, and this kind scheme needs more high-performance drive motor, and higher to the performance requriements of electrokinetic cell, and generally this system all belongs to the higher system of degree of mixing, adds extra electrical generator mostly.Because the associated electrical related power device that the motor direct-drive automobile needs like this is (as the DC-DC power converter, IGBT) bigger, higher and the motor of the cost fugitiveness of rotating burns out high power device and battery easily like this, and series hybrid-power has generally all added energy-recuperation system, though recovery section energy to a certain extent, frequent discharging and recharging significantly reduced the life-span of electrokinetic cell.And the price that present maximum problem is exactly an electrokinetic cell is more expensive, wants just to popularize to be difficult to.
In the parallel hybrid electric drive system in modern times, generally be to merge driving engine and motor power by the electromechanical coupling device, with drive wheels, the planetary mechanical couplings mode of many now employings makes driving engine work in high efficient area as far as possible, the mode and the electromechanical coupling mode of complexity make that cost is higher on stream but these hybrid modes in parallel are owing to adopt, and, be difficult to suppose design with several driving operating modes because the operating condition of automobile is comparatively complicated.This drive scheme does not reach the comparatively dynamic property and the economy of satisfaction in actual tests.And the combined type hybrid vehicle is in conjunction with series connection and advantage in parallel, but it is bigger to control difficulty, and the alternative costs of device are higher, only are fit to basically use on some high-grade automobiles.
In the new-energy automobile drive system in modern times, comprising the hydrogen energy source automobile, fuel cell powered vehicle, super capacitance cell, flying wheel battery or the like are all under test, be used for the volume production vehicle and also have very long stretch.
Summary of the invention
Technical matters to be solved by this invention is: for overcoming above-mentioned the deficiencies in the prior art, provide a kind of later-model electric assist type mixed power automobile driving system efficient and simple in structure.
The technical scheme that the present invention solves its technical matters employing is: be made up of front-wheel drive and back-wheel drive device.Wherein: described front-wheel drive mainly is made up of F/F and engine controller, change-speed box, F/F is by the mechanical connection change-speed box, and by being electrically connected engine controller, this F/F is by engine controller controls, through gearbox output power driven front-wheel; The back-wheel drive device mainly is made up of electrokinetic cell, controller and motor, and wherein, controller is by being electrically connected and controlling motor, and electrokinetic cell is by being electrically connected motor, and this motor is controlled by controller, drives trailing wheel; Unpowered contact between F/F and the motor, they switch by power switching device, realize the conversion of the type of drive of automobile.
Described F/F, its power take-off shaft can be connected with the input gear axle of hand-operated transmission.
Described F/F, its power take-off shaft can be connected with the input gear axle of automatic transmission with hydraulic torque converter.
Described motor can adopt a rearmounted motor, and its output shaft is connected with trailing wheel by rear driving axle, and controls the mode of operation that it drives trailing wheel by acceleration pedal and controller, and this controller is an electric machine controller.
Described motor can adopt two hub-type motors, and its output shaft is connected with left and right sides trailing wheel respectively, and controls the mode of operation that it drives trailing wheel by acceleration pedal and controller, and this controller is the hub motor control device.
Described engine controller, electric machine controller and hub motor control device all link to each other with the acceleration pedal of automobile by power switching device.
Described power switching device all adopts the manual electronic switch to control.
The present invention compared with prior art has following main advantage:
One. control method is simpler, realizes easily, directly switches power by switchover apparatus.
They are two years old. for the sports type automobile of preceding two-wheel drive, owing to contain the position that rear drive shaft is installed in its original design chassis, adopt rearmounted motor to add main reduction gear and diff direct drive trailing wheel, its change is less, can keep the power drive system of existing f-w-d fully.Vehicle for other f-w-d then directly adopts hub-type motor-driven trailing wheel.
They are three years old. and the test figures of a plurality of documents shows, exhaust emission when auto idle speed and low speed driving increases by 30 percent when driving at moderate speed, the fuel economy when the frequent start-stop of auto idle speed and low speed is travelled descends 30 to 50 percent when driving at moderate speed.Adopt motorized motions when technology of the present invention is blocked up low speed driving in the urban traffic road, save fuel oil, and the discharging can reduce engine idle and automobile low speed driving significantly the time; Adopt engine drive system when general road conditions are travelled, dynamic property, the economy performance figure of keeping its former car are constant substantially.
Its four, the power of motor that the present invention adopts is less than 5kW, the electrokinetic cell capacity is less than 10Ah, cost is increased in about 30,000, and is cheaply more a lot of than existing hybrid vehicle.
Its five, the vehicle front among the present invention is an engine drive, trailing wheel is a direct motor drive, does not have the power annexation between the two, and is simple in structure.
In a word, electric assist type mixed power automobile driving system of the present invention, with the used drive system of being seen hybrid vehicle is different fully on principle of work so far, it is a kind of later-model efficient hybrid electric drive system, have economical and practical, simple in structure, control convenience, relative low price, advantage such as easy to maintenance.
Description of drawings
Fig. 1 is the structural representation of 1 rearmounted motor of employing of the present invention.
Fig. 2 is the structural representation of 2 wheel hub motors of employing of the present invention.
Fig. 3 is the workflow diagram of the electric assist type mixed power automobile driving system of 1 rearmounted motor of employing of the present invention.
Fig. 4 is the workflow diagram of the electric assist type mixed power automobile driving system of 2 wheel hub motors of employing of the present invention.
Among the figure: 1. front driving axle; 2. change-speed box; 3. F/F; 4. power switching device; 5. electrokinetic cell; 6. hub motor control device; 7. hub-type motor; 8. wheel; 9. electric machine controller; 10. rearmounted motor; 11. rear driving axle; 12. engine controller; 13. acceleration pedal.
The specific embodiment
Electric assist type mixed power automobile driving system provided by the invention uses when (as moving the parking stall) travelled in low speed driving and short range when being used for automobile and blocking up in the urban traffic road.This hybrid vehicle has the two cover actuating devices of not working simultaneously: the front-wheel drive of forming by traditional driving engine and change-speed box, and by the back-wheel drive device that electrokinetic cell, motor and corresponding controller are formed, unpowered between the two annexation.
The invention will be further described below in conjunction with embodiment and accompanying drawing, but be not limited to following described content.
Electric assist type mixed power automobile driving system provided by the invention, its structured flowchart as shown in Figure 1, be made up of front-wheel drive and back-wheel drive device, wherein: front-wheel drive mainly is made up of F/F 3 and engine controller 12, change-speed box 2; Engine controller 12 is by being electrically connected control F/F 3, and F/F 3 is by mechanical connection change-speed box 2.The back-wheel drive device mainly is made up of electrokinetic cell 5, electric machine controller 9 and rearmounted motor 10; Wherein, electric machine controller 9 is by being electrically connected to control rearmounted motor 10, and electrokinetic cell 5 is rearmounted motor 10 power supplies by being electrically connected.F/F 3 is by the front vehicle wheel in acceleration pedal 13 and the engine controller 12 independent drive wheels 8.Rearmounted motor 10 is by the rear wheel in acceleration pedal 13 and the electric machine controller 9 independent drive wheels 8; Unpowered contact between F/F 3 and the rearmounted motor 10, they switch by power switching device 4, thereby realize the conversion of automobile type of drive.
Described engine controller 12 links to each other with the acceleration pedal 13 of automobile by power switching device 4 with electric machine controller 9.Chaufeur is selected type of drive according to the road conditions of travelling by power switching device 4, make acceleration pedal 13 implement to handle to engine controller 12 and electric machine controller 9 respectively, thereby control F/F 3 or rearmounted motor 10 are realized engine drive or motor-driven.
The another kind of embodiment of electric assist type mixed power automobile driving system provided by the invention, its structured flowchart as shown in Figure 2, be made up of front-wheel drive and back-wheel drive device, wherein: front-wheel drive mainly is made up of F/F 3 and engine controller 12, change-speed box 2; Engine controller 12 is by being electrically connected control F/F 3, and F/F 3 is by mechanical connection change-speed box 2.The back-wheel drive device mainly is made up of electrokinetic cell 5, hub motor control device 6 and hub-type motor 7; Wherein, hub motor control device 6 is by being electrically connected with control hub-type motor 7, and electrokinetic cell 5 is 7 power supplies of hub-type motor by being electrically connected.F/F 3 is by the front vehicle wheel in acceleration pedal 13 and the engine controller 12 independent drive wheels 8, and hub-type motor 7 is by the rear wheel in acceleration pedal 13 and the hub motor control device 6 independent drive wheels 8; Unpowered contact between F/F 3 and the hub-type motor 7, they switch by power switching device 4, thereby realize the conversion of automobile type of drive.
Described engine controller 12 links to each other with the acceleration pedal 13 of automobile by power switching device 4 with hub motor control device 6.Chaufeur is selected type of drive according to the road conditions of travelling by power switching device 4, make acceleration pedal 13 implement to handle to engine controller 12 and hub motor control device 6 respectively, thereby control F/F 3 or hub-type motor 7 are realized engine drive or motor-driven.
Described front driving axle 1, change-speed box 2 and F/F 3 and wheel 8, all same prior art of its structure.Described wheel 8 comprises front-wheel and trailing wheel.Described change-speed box 2 can be a hand-operated transmission, also can be automatic transmission with hydraulic torque converter.
Described power switching device 4 adopts the control of manual electronic switch.
Described electrokinetic cell 5 adopts the following battery of 10Ah, and it is installed under the automobile rear seat.
Described motor is used to drive trailing wheel, is the motor below the 5kW, can adopt two hub-type motors 7 or a rearmounted motor 10.
The sports type vehicle of two-wheel drive before rearmounted motor 10 can be used for.Owing to contain the position that rear drive shaft is installed in the sports type vehicle original design chassis, can adopt rearmounted motor to add rear driving axle 11 direct drive trailing wheels, its change is less, directly uses the power drive system of existing f-w-d.The vehicle of other f-w-d then directly adopts hub-type motor 7 to drive trailing wheel.
Front driving axle 1, change-speed box 2, F/F 3, electrokinetic cell 5, hub motor control device 6, hub-type motor 7, wheel 8, electric machine controller 9, rearmounted motor 10, rear driving axle 11, engine controller 12 and acceleration pedal 13 that the present invention adopts are prior art.
Electric assist type hybrid vehicle provided by the invention, when travelling in the city, the maximum speed that the pure electric type of drive of trailing wheel is travelled is about 40km/h, about continual mileage 50km.Under general road conditions, chaufeur just can recover traditional engine drive and travels by switching power system, and dynamic property such as its maximum speed, fuel oil oil consumption, economic index are suitable with former car.
Sketch the working process of powershift below in conjunction with Fig. 3 and Fig. 4.
When shifter bar is in neutral, artificially control the conversion that power switching device 4 is finished front-wheel drive and back-wheel drive device.Specific as follows:
Referring to Fig. 3, when power switching device 4 placed " engine drive " position, with the control speed of a motor vehicle, the mode of operation of power and driving system was identical with former car by acceleration pedal 13 maneuvering engine controllers 12 for chaufeur, be that front-wheel is a drive wheel, by engine drive; And rearmounted motor 10 is in off-position, and the less and idle running of its damping does not produce electric load, so electrokinetic cell 5 can frequently do not discharged and not recharged, thereby prolongs the service life of electrokinetic cell, and this moment, trailing wheel was a flower wheel.
Referring to Fig. 3, sports type vehicle for preceding two-wheel drive, as vehicles such as SUV, CRV, adopt rearmounted motor 10 band rear driving axles to drive the scheme of trailing wheel: when power switching device 4 places " direct motor drive " position, and when simultaneously shifter bar being placed " neutral ", engine off then, front-wheel drive is not worked, and front-wheel is a flower wheel.Acceleration pedal 13 is handled motor controller 9 with the control speed of a motor vehicle, and main reduction gear, the diff of motor in rear driving axle drives trailing wheel, is equivalent to pure electric automobile.Because of the maximum speed of the pure motorized motions mode of design-calculated is low, continual mileage is short, and between driving engine and the motor transmission agent without any mechanical connection, so its designs simplification, control simply, relative low price, easy to maintenance.
Referring to Fig. 4, when power switching device 4 placed " engine drive " position, acceleration pedal 13 maneuvering engine controllers 12 were with the control speed of a motor vehicle, and the mode of operation of power and driving system is identical with former car, and promptly front-wheel is a drive wheel, by engine drive; And hub-type motor 7 is in off-position, and motor idle running does not produce electric load, and trailing wheel is a flower wheel.
Referring to Fig. 4, vehicle for other f-w-d, adopt hub-type motor 7 to drive the scheme of trailing wheel: when power switching device 4 places " direct motor drive " position, and when simultaneously shifter bar being placed " neutral ", make change-speed box 2 be in the neutral locking by power switching device 4, engine off, front-wheel drive is not worked, and front-wheel is a flower wheel.Chaufeur is handled wheel hub motor controller 6 with control hub-type motor 7 rotating speeds by acceleration pedal 13, thus the speed of a motor vehicle of Control of Automobile.
Claims (8)
1. electric assist type mixed power automobile driving system, it is characterized in that forming by front-wheel drive and back-wheel drive device, wherein: front-wheel drive mainly is made up of F/F (3) and engine controller (12), change-speed box (2), F/F (3) is by mechanical connection change-speed box (2), and by being electrically connected engine controller (12), this F/F is by engine controller (12) control, through gearbox output power driven front-wheel; The back-wheel drive device mainly is made up of electrokinetic cell (5), controller and motor, and wherein, controller is by being electrically connected and controlling motor, and electrokinetic cell (5) is by being electrically connected motor, and this motor is controlled by controller, drives trailing wheel; Unpowered contact between F/F (3) and the motor, they switch by power switching device (4), realize the conversion of the type of drive of automobile.
2. electric assist type mixed power automobile driving system according to claim 1 is characterized in that described F/F (3), and its power take-off shaft is connected with the semiaxis of front driving axle (1) by change-speed box (2).
3. electric assist type mixed power automobile driving system according to claim 1, it is characterized in that described motor adopts rearmounted motor (10), this postposition motor only has one, its output shaft is connected with trailing wheel by rear driving axle (11), and control the mode of operation that it drives trailing wheel by controller, this controller is electric machine controller (9).
4. electric assist type mixed power automobile driving system according to claim 3 is characterized in that described electric machine controller (9) links to each other with the acceleration pedal (13) of automobile by power switching device (4).
5. electric assist type mixed power automobile driving system according to claim 1, it is characterized in that described motor adopts hub-type motor (7), this hub-type motor has two, its output shaft is connected with left and right sides trailing wheel respectively, and control the mode of operation that it drives trailing wheel by controller, this controller is hub motor control device (6).
6. electric assist type mixed power automobile driving system according to claim 5 is characterized in that described hub motor control device (6) links to each other with the acceleration pedal (13) of automobile by power switching device (4).
7. electric assist type mixed power automobile driving system according to claim 1 is characterized in that described engine controller (12) links to each other with the acceleration pedal (13) of automobile by power switching device (4).
8. according to claim 1,4,6 or 7 described electric assist type mixed power automobile driving systems, it is characterized in that described power switching device (4) adopts the manual electronic switch to handle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100906883A CN102166949A (en) | 2011-04-12 | 2011-04-12 | Electric-auxiliary hybrid power vehicle drive system |
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| CN2011100906883A CN102166949A (en) | 2011-04-12 | 2011-04-12 | Electric-auxiliary hybrid power vehicle drive system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673365A (en) * | 2012-06-01 | 2012-09-19 | 同济大学 | Hybrid power electric automobile driving system by utilizing synchronous belt transmission |
| CN103465768A (en) * | 2012-06-05 | 2013-12-25 | 雷米技术有限公司 | Concentric motor power generation and drive system |
| CN105291854A (en) * | 2015-10-10 | 2016-02-03 | 北京车和家信息技术有限责任公司 | System and method for recovery and utilization of kinetic energy of electric vehicle |
| CN106683399A (en) * | 2015-11-10 | 2017-05-17 | 湖南南车时代电动汽车股份有限公司 | Method of acquiring road condition state of bus |
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| CN100588857C (en) * | 2006-03-24 | 2010-02-10 | 比亚迪股份有限公司 | Mixing power driving control method of vehicle and system thereof |
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Application publication date: 20110831 |