CN101327728A - Motor coach hybrid power driving system - Google Patents

Motor coach hybrid power driving system Download PDF

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Publication number
CN101327728A
CN101327728A CNA2008100412114A CN200810041211A CN101327728A CN 101327728 A CN101327728 A CN 101327728A CN A2008100412114 A CNA2008100412114 A CN A2008100412114A CN 200810041211 A CN200810041211 A CN 200810041211A CN 101327728 A CN101327728 A CN 101327728A
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China
Prior art keywords
power
drive motor
motor
driving
diff
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Pending
Application number
CNA2008100412114A
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Chinese (zh)
Inventor
殷承良
张勇
陈燕平
王磊
姜杰峰
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Priority to CNA2008100412114A priority Critical patent/CN101327728A/en
Publication of CN101327728A publication Critical patent/CN101327728A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/84Data processing systems or methods, management, administration

Abstract

The present invention discloses a hybrid power drive system of motor coach, and belongs to the technological field of vehicle engineering; wherein, an engine is coaxially connected with an integrated starting generator; the integrated starting generator is connected with an automatic clutch driving disc; the automatic clutch is connected with a reducing mechanism through a driving motor; the reducing mechanism is respectively connected with the driving motor and a main reducer-differential; the main reducer-differential is connected with vehicle wheels through a driving bridge; a power battery is connected with a motor controller through a cable; and the motor controller is respectively connected with the integrated starting generator and the driving motor through a cable. The hybrid power drive system maintains the traditional vehicle structure to the greatest extent, and adopts two motors to optimize the working points of the engine, so that the engine can stably operate in the high-efficiency and low-emission regions, in particular in the operating conditions of low-speed city buses.

Description

Motor coach hybrid power driving system
Technical field
The present invention relates to a kind of drive system of Vehicle Engineering technical field, specifically is a kind of integrated actuating electric generator motor coach hybrid power driving system.
Background technology
Along with the reinforcement of the anxiety and the human environmental consciousness of world energy sources, safety, energy-saving and environmental protection become the theme of current development of automobile.Hybrid vehicle as one of new-energy automobile can address the above problem preferably.Hybrid vehicle is a kind of by driving engine and the common vehicle that drives of electric system.Wherein driving engine can be to use the multi-fuel combustion engine; Motor both can be that magneto-electric machine also can be an excitation electromotor, both can be that synchronous dynamo also can be an asynchronous dynamo.Power-transfer clutch can be that manual clutch also can be an electric-controlled automatic clutch.Adopt the hybrid vehicle of Manual transmission and manual clutch, because driving engine directly is connected with axle drive shaft with change speed gear box by power-transfer clutch, vehicle can not be realized the drive pattern and the series connected drive pattern of pure electricity, so, for low speed run rider condition (under the city bus operating mode), just can not minimize by optimum realization fuel oil consumption.And drive operating mode at pure electricity, traditional air-conditioning, turn to brake equipment owing to there is not power also can work.
Find through literature search prior art, patent 200610137881.7 discloses a kind of power distribution integrated control system for tandem type hybrid power vehicle, is applicable to the motor movement control of serial mixed power vehicle and the energy management of multipotency driving source assembly.Can realize the distribution and the management of the energy stream of serial mixed power vehicle, realize the co-operative control of two-side motor individual drive, but that field of application only limits to is in-line.U.S. Pat 2004/0147365 A1 and CN200310119680.0 have disclosed a kind of hybrid architecture that adopts double-motor before and after the change speed gear box, and this technology does not propose the pure motorized motions function that improvement in any mechanism realizes vehicle when realizing utilizing Manual transmission to this structure.
Summary of the invention
The object of the invention is at the deficiencies in the prior art, a kind of motor coach hybrid power driving system is provided, economy is better for conventional truck, discharging is lower, can adopt two kinds of different dynamic sources to drive, can realize the recovery of braking energy, improve the hybrid electric drive system of engine efficiency simultaneously.This system is based on motor-driven, can enlarge the continual mileage of hybrid vehicle by generator set, the purpose that realizes saving fuel oil and guarantee the car load tractive performance on the basis of saving manufacturing and improvement cost has to greatest extent overcome the deficiency of hybrid vehicle driving mechanism at aspects such as accessory drives and gearshifts.
The present invention is achieved by the following technical solutions:
Motor coach hybrid power driving system involved in the present invention, comprise: wheel, main reduction gear-diff, drive motor, speed reduction gearing, self-acting clutch, integrated actuating electric generator (being called for short ISG), driving engine, electric machine controller, power battery pack, wherein: driving engine is connected with integrated actuating electric generator is coaxial, integrated actuating electric generator is connected with the self-acting clutch driving disc spacing pressing, self-acting clutch is connected with speed reduction gearing by drive motor, speed reduction gearing is connected with main reduction gear-diff with drive motor respectively, main reduction gear-diff links to each other with wheel by drive axle, power battery pack is connected with electric machine controller by cable, and electric machine controller is connected with drive motor with integrated actuating electric generator respectively by cable.
Described electric machine controller comprises drive motor controller and integrated actuating electric generator controller, is respectively applied for controlling and driving motor and integrated actuating electric generator.
Described drive motor and speed reduction gearing combination back constitute electromechanical coupling mechanism.
The present invention only increases a self-acting clutch on the basis of series hybrid-power, possess the advantage of series hybrid-power, has reduced the power of electrical generator and drive motor simultaneously; System architecture is simple, has avoided complicated speed change system, and self-acting clutch is ripe relatively, and control requires low.
The structural innovation part of the present invention be to be coupled drive motor and speed reduction gearing have been used speed reduction gearing as the drive disk assembly between drive motor and the main reduction gear-diff joint institution, have greatly dwindled installing space.This speed reduction gearing has compact conformation, transmitting ratio is big, load-carrying capacity is big, stable drive and driving efficiency advantages of higher, herein speed reduction gearing and the integrated actuating electric generator in the driving system, self-acting clutch and drive motor are united use, the purpose of part power dividing and deceleration can be realized simultaneously, and then matched well and optimal control between hybrid electric vehicle engine, electrical motor, the power battery pack three can be realized.
The present invention can also be provided with two grades of speed-changing mechanisms between electromechanical coupling mechanism and main reduction gear-diff joint institution, the existence of two grades of speed-changing mechanisms has enlarged speed range, reduced requirement, made variable speed control more flexible the drive motor range of speed.
The present invention includes following multiple drive modes:
(1) pure electric drive mode: when the work of vehicle start or vehicle underload, SOC value of battery were low, drive motor worked independently, and battery provides electric energy for drive motor.Utilize the electric energy of battery to drive automobile, driving engine and ISG do not participate in work, only depend on drive motor to drive;
(2) tandem working pattern: in the work of vehicle start or vehicle underload, when SOC value of battery is low, ISG elder generation fire an engine, power-transfer clutch disconnects, engine power generation, drive motor powered vehicle.The tandem working pattern is generally worked under following several situations:
Between a, low regime, the high-power driving operating mode is as continuous climbing etc.;
B, battery power are lower than preset value, need be the timely electric energy supplement of battery
(3) drive pattern in parallel: optimize power, SOC value of battery when low at vehicle needs power greater than engine efficiency, power-transfer clutch is in conjunction with the common powered vehicle of rear engine, drive motor and integrated actuating electric generator.Low speed quickened and high velocity during this pattern worked in usually;
(4) driving engine independent drive pattern: in the vehicle power demand in engine efficiency optimization zone or battery when not having enough electric energy to offer machine operation, driving engine independent drive vehicle, drive motor, integrated actuating electric generator are not worked;
(5) engine drive driving power generation mode: when vehicle operating, if vehicle needs power less than engine efficiency optimize power, SOC value of battery is low, motor-powered vehicle then, drive motor is done electrical generator work and is absorbed energy to battery, regulate efficiency of engine and battery electric energy supplement with this, this pattern general work middling speed district (the engine power load is on the low side, and efficient is low);
(6) brake power generating pattern: when slowing down or sliding, drive motor is made electrical generator with absorbing vehicle energy to battery.
The present invention compares with existing series parallel hybrid power automobile; has following remarkable result: can realize the automatic start-stop of driving engine; functions such as electric boosted and high-efficiency high-power electric energy output; driving engine and integrated actuating electric generator constitute an in-vehicle generator set efficiently simultaneously; allow driving engine always work in the optimization operation point or the shutdown of a low oil consumption anti-emission carburetor in vehicle low speed run rider condition (as the city bus operating mode), the driving power of car load is provided by high-performance drive motor.In the operating mode of running at high speed, mechanical attachment between driving engine, drive motor and the wheel, the two power can be delivered to wheel by driving system, can be by the energy distribution of entire car controller, to realize other drive pattern except that pure electricity and tandem drive according to driving behavior and the definite car load of battery SOC (State Of Charge) value.This scheme has been continued to use the power system of a large amount of orthodox cars, can reduce manufacturing cost significantly like this.
The present invention has realized the purpose of power dividing and deceleration, and then realized matched well and optimal control between driving engine, electrical motor, the power battery pack three, it is low to have reduced the vehicle operation cost, reduced fuel cost, reduced dependence to fossil fuel, the greenhouse gases and the various discharge of harmful gases that reduce have been improved the generator set efficient of electrical network simultaneously.Increase by two grades of speed-changing mechanisms and not only enlarged speed range, reduced requirement simultaneously, make variable speed control more flexible the drive motor range of speed.
Description of drawings
Fig. 1 embodiment of the invention one structural representation;
Fig. 2 embodiment of the invention two structural representations.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment one
As shown in Figure 1, the present embodiment drive system, comprise driving engine 1, integrated actuating electric generator 2, self-acting clutch 3, electromechanical coupling mechanism 4, wheel 5, main reduction gear-diff 6, electric machine controller 7, power battery pack 8, wherein: electromechanical coupling mechanism 4 is constituted by drive motor and speed reduction gearing, driving engine 1 and 2 coaxial connections of integrated actuating electric generator, integrated actuating electric generator 2 is connected with self-acting clutch 3 driving disc spacing pressings, self-acting clutch 3 is connected with speed reduction gearing by the drive motor in the electromechanical coupling mechanism 4, speed reduction gearing is connected with main reduction gear-diff 6 with drive motor respectively, main reduction gear-diff 6 links to each other with wheel 5 by drive axle, power battery pack 8 is connected with electric machine controller 7 by cable, and electric machine controller 7 is connected with drive motor in the electromechanical coupling mechanism 4 with integrated actuating electric generator 2 respectively by cable.
Described electric machine controller 7 comprises drive motor controller and integrated actuating electric generator electric machine controller.
Described power battery pack 8 contains battery management system.
Driving engine 1 is as power unit, its power can be directly passed to wheel 5 by mechanical system, also can pass through integrated actuating electric generator 2, electric machine controller 7 and give power battery pack 8 chargings, or offer the drive motor in the electromechanical coupling mechanism 4 in the mode of electric energy.
Integrated actuating electric generator 2 mainly is the energy generating that is used for utilizing the electric energy fire an engine 1 of power battery pack 8 and absorbs driving engine 1.Drive motor in the electromechanical coupling mechanism 4 then is used for drive wheels 5 and reclaim the kinetic energy of vehicle glancing impact.
Speed reduction gearing in the electromechanical coupling mechanism 4 is as the drive disk assembly between drive motor and the main reduction gear-diff 7, unite use with integrated actuating electric generator 2, self-acting clutch 3 and drive motor in the driving system, the purpose of power dividing and deceleration can be realized simultaneously, and then matched well and optimal control between hybrid electric vehicle engine, electrical motor, the power battery pack three can be realized.
Working process introduction under the various patterns of the foregoing description:
When pure motorized motions pattern, driving engine 1 is shut down, and power battery pack 8 provides energy to the drive motor in the electromechanical coupling mechanism 4, and the energy output of drive motor passes to wheel 5 through speed reduction gearing, main reduction gear-diff 6 successively.Wherein, the electric energy of power battery pack 8 has two kinds of source channels: driving engine is directly supplied with; Braking energy feedback is supplied with.
When the tandem drive pattern, the energy output of driving engine 1 through the generating effect of integrated actuating electric generator 2 to power battery pack 8 chargings or directly do not offer drive motor in the electromechanical coupling mechanism 4 by power battery pack 8, the energy of power battery pack 8 provides the drive motor in the electromechanical coupling mechanism 4, and the energy of exporting from drive motor passes to wheel 5 through speed reduction gearing, main reduction gear-diff 6 successively.
Under drive pattern in parallel, the first transfer of energy path is: the energy of driving engine 1 output is through the speed reduction gearing in integrated actuating electric generator 2, power-transfer clutch 3 and the electromechanical coupling mechanism 4; The second transfer of energy path is: battery pack 8 is to electric machine controller 7, again the drive motor in the electromechanical coupling mechanism 4.After two strands of energy are coupled by the speed reduction gearing in the electromechanical coupling mechanism 4, pass to wheel 5 through main reduction gear-diff 6 again.
Under driving engine independent drive pattern, the energy of driving engine 1 output passes to wheel 5 through integrated actuating electric generator 2, power-transfer clutch 3, main reduction gear-diff 6 successively.In this process, the idle running of the rotor of the drive motor in integrated actuating electric generator 2 and the electromechanical coupling mechanism 4, the two does not do work.
Engine drive, under the drive motor power generation mode, from the energy of driving engine 1 through integrated actuating electric generator 2, power-transfer clutch 3 clutch plates after, be divided into two-way and give power battery pack 8 chargings and pass to wheel 5 by electric machine controller 7 respectively by main reduction gear-diff 6.
Under the braking energy feedback pattern, give power battery pack 8 chargings through the speed reduction gearing in drive axle, diff-main reduction gear 6, the electromechanical coupling mechanism 4 and drive motor, electric machine controller 7 from the vehicle energy of wheel 5.
Embodiment two
As shown in Figure 2, present embodiment is a prioritization scheme, on the basis of embodiment 1, also comprise two-speed transmission 9, this two-speed transmission 9 is arranged between electromechanical coupling mechanism 4 and main reduction gear-diff 6 joint institutions, two-speed transmission 9 input shafts are connected with speed reduction gearing in the electromechanical coupling mechanism 4, and two-speed transmission 9 output shafts are connected with main reduction gear-diff 7.Other parts connection and mode of operation are identical with embodiment 1 with the basic controlling strategy, repeat no more.
Present embodiment has reduced the requirement to the drive motor range of speed because the existence of two grades of speed-changing mechanisms has enlarged speed range, makes variable speed control more flexible.

Claims (3)

1. motor coach hybrid power driving system, comprise: wheel, main reduction gear-diff, speed reduction gearing, drive motor, self-acting clutch, integrated actuating electric generator, driving engine, electric machine controller, power battery pack, it is characterized in that: driving engine is connected with integrated actuating electric generator is coaxial, integrated actuating electric generator is connected with the self-acting clutch driving disc spacing pressing, self-acting clutch is connected with speed reduction gearing by drive motor, speed reduction gearing is connected with main reduction gear-diff with drive motor respectively, main reduction gear-diff links to each other with wheel by drive axle, power battery pack is connected with electric machine controller by cable, and electric machine controller is connected with drive motor with integrated actuating electric generator respectively by cable.
2. motor coach hybrid power driving system according to claim 1, it is characterized in that, a two-speed transmission is set between described speed reduction gearing and the main reduction gear-diff, and the two-speed transmission input shaft is connected with speed reduction gearing, and output shaft is connected with main reduction gear-diff.
3. motor coach hybrid power driving system according to claim 1, it is characterized in that, described driving engine is as power unit, its power is directly passed to wheel by mechanical system, or charge to power battery pack in the mode of electric energy, or offer drive motor by integrated actuating electric generator, electric machine controller.
CNA2008100412114A 2008-07-31 2008-07-31 Motor coach hybrid power driving system Pending CN101327728A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010145200A1 (en) * 2009-06-17 2010-12-23 上海捷能汽车技术有限公司 Series/parallel bi-motor dual-clutch hybrid electrical driving unit for automobile
CN102166947A (en) * 2011-03-10 2011-08-31 上海交通大学 Multimode stepless speed-changing hybrid driving system
CN102294960A (en) * 2010-06-28 2011-12-28 日产自动车株式会社 Shift controller and shift controlling method
CN102616128A (en) * 2012-03-02 2012-08-01 昆明船舶设备集团有限公司 Multi-power unit-coupled hybrid power assembly and control method thereof
CN106080758A (en) * 2016-08-10 2016-11-09 潍柴动力股份有限公司 A kind of hybrid vehicle hydraulic steering pump and the optimization integrated morphology of air compressor machine
CN107225956A (en) * 2016-03-24 2017-10-03 长城汽车股份有限公司 Dynamical system
CN109910867A (en) * 2019-03-18 2019-06-21 湖南大学 A kind of engine working point optimization method of series parallel hybrid power vehicle
CN110077220A (en) * 2019-04-28 2019-08-02 中国第一汽车股份有限公司 A kind of double-motor hybrid drive system and its driving method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010145200A1 (en) * 2009-06-17 2010-12-23 上海捷能汽车技术有限公司 Series/parallel bi-motor dual-clutch hybrid electrical driving unit for automobile
US8701808B2 (en) 2009-06-17 2014-04-22 Shanghai E-Propulsion Auto Technology Co., Ltd. Series/parallel dual motor multi-clutch hybrid driving unit for vehicle
CN102294960A (en) * 2010-06-28 2011-12-28 日产自动车株式会社 Shift controller and shift controlling method
CN102166947A (en) * 2011-03-10 2011-08-31 上海交通大学 Multimode stepless speed-changing hybrid driving system
CN102616128A (en) * 2012-03-02 2012-08-01 昆明船舶设备集团有限公司 Multi-power unit-coupled hybrid power assembly and control method thereof
CN107225956A (en) * 2016-03-24 2017-10-03 长城汽车股份有限公司 Dynamical system
CN106080758A (en) * 2016-08-10 2016-11-09 潍柴动力股份有限公司 A kind of hybrid vehicle hydraulic steering pump and the optimization integrated morphology of air compressor machine
CN109910867A (en) * 2019-03-18 2019-06-21 湖南大学 A kind of engine working point optimization method of series parallel hybrid power vehicle
CN110077220A (en) * 2019-04-28 2019-08-02 中国第一汽车股份有限公司 A kind of double-motor hybrid drive system and its driving method

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Open date: 20081224