CN101913322A - Time-division 4-wheel drive (4WD) parallel hybrid driving system - Google Patents
Time-division 4-wheel drive (4WD) parallel hybrid driving system Download PDFInfo
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- CN101913322A CN101913322A CN2010102576633A CN201010257663A CN101913322A CN 101913322 A CN101913322 A CN 101913322A CN 2010102576633 A CN2010102576633 A CN 2010102576633A CN 201010257663 A CN201010257663 A CN 201010257663A CN 101913322 A CN101913322 A CN 101913322A
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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
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Abstract
The invention provides a time-division 4-wheel drive (4WD) parallel hybrid driving system belonging to the technical field of automobiles. The invention solves the problem that the conventional fuel-electric 4WD hybrid automobile power system has low energy utilization rate. The time-division 4WD parallel hybrid driving system comprises an engine, a storage battery and first and second motors capable of performing conversion between electric energy and mechanical energy; the engine is connected with a first axle; an engine controller is connected to the engine; the engine can drive the first axle to work during work; the second motor is connected with a second axle; a second motor controller is connected to the second motor; the first motor is connected between the engine and the first motor controller; the first motor can charge the storage battery under the driving of the engine when the engine is in a working state; and the second motor can charge the storage battery when in a working state that mechanical energy is converted to electric energy. The invention has the advantages of strong power, high energy utilization rate, energy saving and environment protection.
Description
Technical field
The invention belongs to automobile technical field, relate to automobile dynamic system, especially relate to a kind of time-division 4-wheel drive (4 WD) parallel hybrid driving system.
Background technology
Along with the cry of environmental protection raises day by day, the worsening shortages of non-renewable resources such as oil, numerous automakers also more and more pay close attention to the research and development of energy-saving and emission-reduction vehicle, and all kinds of hybrid vehicles emerge gradually.Under the prior art background, four-drive hybrid electric vehicle can farthest satisfy the needs of energy environment protection, therefore has more market-oriented prospect.The configuration of the hybrid power automobile power system that is developed at present has tandem, parallel and series parallel type.
At parallel four-drive hybrid electric system, people have carried out long-term exploration, have proposed various improvement projects.For example, Chinese patent literature discloses a kind of drive system and control method [application number: CN200910040759.1] thereof of four-drive hybrid electric vehicle, this drive system comprises electrokinetic cell, front drive unit, the entire car controller of rear drive unit and control front drive unit and rear drive unit work, key be described front drive unit be installed on the front driving axle driving engine and with driving engine by driving device bonded assembly propons ISG motor and front reduction gear, described rear drive unit be installed on the rear driving axle back axle ISG motor and with back axle ISG motor by retarder behind the driving device bonded assembly, described propons ISG motor and back axle ISG motor are electrically connected with electrokinetic cell by inverter respectively, and the peak power of described propons ISG motor and the rating horsepower ratio of driving engine are more than 40%.The somebody has invented a kind of power system of oil-electricity four-drive hybrid electric vehicle and control method [application number: CN200910242538.2] thereof, this system with motor and driving engine as propulsion source independently, the front driving wheel and the rear drive sprocket of difference powered vehicle, adopt the described machine operation of motor controller controls, adopt the described engine operation of engine controller controls, adopt described engine controller of vehicle control unit controls and described electric machine controller work, described entire car controller is according to the device parameter and the operational factor of vehicle, determine the type of drive of vehicle and the switching between the different driving mode, its control modes comprises self check mode, pure motor-driven mode, pure engine drive mode, the motor list drives mode, the driving engine list drives mode, two mode and the outage mode of driving of motor-driving engine.
Such scheme has improved parallel four-drive hybrid electric system to a certain extent, but it is powerful inadequately still to exist power, and energy utilization rate is low, and energy loss is more, and integral structure is comparatively complicated, and working stability is the high-technology problem not.
Summary of the invention
The objective of the invention is at the problems referred to above, a kind of powerful is provided, energy utilization rate height, energy-conserving and environment-protective, the rational time-division 4-wheel drive (4 WD) parallel hybrid driving system of integral layout.
For achieving the above object, the present invention has adopted following technical proposal: this timesharing 4 wheel driven formula hybrid electric drive system in parallel, be arranged between the first automobile bridge and the second automobile bridge, this drive system comprises driving engine, storage battery, and first motor and second motor that can carry out electric energy and mechanical energy conversion, it is characterized in that, the described driving engine and the first automobile bridge link, on driving engine, be connected with the engine controller that to control engine operation, when engine operation, can drive the first automobile bridge work, described second motor and the second automobile bridge link, on second motor, be connected with second electric machine controller that links with storage battery and can control second machine operation, when being in, second motor can drive the second automobile bridge work when electric energy is converted to the mechanical energy mode of operation, described first motor be connected driving engine and can control first machine operation and and first electric machine controller that links of storage battery between, first motor can be to battery charge under the drive of driving engine when driving engine is in running order, can be to battery charge when described second motor is in mechanical energy and is converted to the electric energy mode of operation.
The driving engine among the present invention and second motor can be distinguished independent drive or drive automobile simultaneously, are suitable for various travel conditions, continual mileage and traditional combustion engine are suitable, also can connect extraneous power supply, reduce fuel oil consumption and emission abatement greatly, be a kind of desirable hybrid power drive scheme.That is to say, can realize all-wheel drive, front-wheel independent drive and three kinds of drive forms of trailing wheel independent drive, satisfy the driving demand of various different operating modes by the driving engine and second motor.Simultaneously, can realize that also pure motorized motions is travelled and reclaim braking energy, thereby improve the fuel economy of car load greatly and reduce discharging by first motor and second motor.First motor here only has electricity generate function, and second motor possesses the function of driving and electricity generate function simultaneously.First electric machine controller can be controlled first machine operation, and second electric machine controller can be controlled second machine operation, and second electric machine controller can be controlled the second motor forward or reverse.
In above-mentioned time-division 4-wheel drive (4 WD) parallel hybrid driving system, described engine controller, first electric machine controller and second electric machine controller all link with entire car controller.Entire car controller is controlled engine controller, first electric machine controller and the second electric machine controller work according to different operating modes and condition of road surface, thereby adjusts drive pattern.
In above-mentioned time-division 4-wheel drive (4 WD) parallel hybrid driving system, the mouth of described driving engine is connected with automatic transmission with hydraulic torque converter, and described automatic transmission with hydraulic torque converter links by the first deceleration box of tricks and the first automobile bridge.
In above-mentioned time-division 4-wheel drive (4 WD) parallel hybrid driving system, be connected with engine gear on the described automatic transmission with hydraulic torque converter, be connected with motor gear on described first motor, described engine gear is meshed with motor gear.
In above-mentioned time-division 4-wheel drive (4 WD) parallel hybrid driving system, described second motor links by the second deceleration box of tricks and the second automobile bridge.
In above-mentioned time-division 4-wheel drive (4 WD) parallel hybrid driving system, described storage battery is a battery pack.
In above-mentioned time-division 4-wheel drive (4 WD) parallel hybrid driving system, the described first automobile bridge is an automobile front axle, and the described second automobile bridge is an automobile axle.Certainly, the first automobile bridge is an automobile axle, and the second automobile bridge is that automobile front axle also is feasible scheme.
Compared with prior art, the advantage of this timesharing 4 wheel driven formula hybrid electric drive system in parallel is: 1, reasonable in design, powerful is suitable for various travel conditions, and continual mileage and traditional combustion engine are suitable.2, reduce fuel oil consumption and emission abatement greatly, when guaranteeing dynamic property, improve the fuel economy of automobile, realize reducing the purpose of over-the-road expense and energy-conserving and environment-protective.
Description of drawings
Fig. 1 is a structured flowchart provided by the invention.
Among the figure, the first automobile bridge 1, the second automobile bridge 2, driving engine 3, storage battery 4, first motor 5, second motor 6, engine controller 7, first electric machine controller 91, second electric machine controller 92, entire car controller 10, automatic transmission with hydraulic torque converter 11, the first deceleration box of tricks 12, engine gear 13, motor gear 14, the second deceleration box of tricks 15.
The specific embodiment
As shown in Figure 1, this timesharing 4 wheel driven formula hybrid electric drive system in parallel is arranged between the first automobile bridge 1 and the second automobile bridge 2.In the present embodiment, the first automobile bridge 1 is an automobile front axle, and the second automobile bridge 2 is an automobile axle.Certainly, the first automobile bridge is 1 automobile axle, and the second automobile bridge 2 also is feasible scheme for automobile front axle.
This drive system comprises driving engine 3, storage battery 4 and can carry out electric energy and first motor 5 and second motor 6 of mechanical energy conversion.Wherein, storage battery 4 is a battery pack.The driving engine 3 and the first automobile bridge 1 link, and are connected with the engine controller 7 that can control driving engine 3 work on driving engine 3, can drive 1 work of the first automobile bridge when driving engine 3 work.Second motor 6 and the second automobile bridge 2 link, on second motor 6, be connected with second electric machine controller 92 that links with storage battery 4 and can control 6 work of second motor, can drive 2 work of the second automobile bridge when electric energy is converted to the mechanical energy mode of operation when second motor 6 is in.First motor 5 be connected driving engine 3 and can control the work of first motor 5 and and first electric machine controller 91 that links of storage battery 4 between, first motor 5 can be to storage battery 4 chargings under the drive of driving engine 3 when driving engine 3 is in running order.Can be when second motor 6 is in mechanical energy and is converted to the electric energy mode of operation to storage battery 4 chargings.
Engine controller 7, first electric machine controller 91 and second electric machine controller 92 all link with entire car controller 10.Entire car controller 10 is according to different operating modes and condition of road surface, and control engine controller 7, first electric machine controller 91 and second electric machine controller 92 are worked, thereby adjust drive pattern.First electric machine controller 91 can be controlled 5 work of first motor, and second electric machine controller 92 can be controlled 6 work of second motor, and second electric machine controller 92 can be controlled second motor, 6 forward or reverse.
In the present embodiment, the mouth of driving engine 3 is connected with automatic transmission with hydraulic torque converter 11, and automatic transmission with hydraulic torque converter 11 links by the first deceleration box of tricks 12 and the first automobile bridge 1.Be connected with on the automatic transmission with hydraulic torque converter 11 on engine gear 13, the first motors 5 and be connected with motor gear 14, engine gear 13 is meshed with motor gear 14.Second motor 6 links by the second deceleration box of tricks 15 and the second automobile bridge 2.
Can realize all-wheel drive, front-wheel independent drive and three kinds of drive forms of trailing wheel independent drive by the driving engine 3 and second motor 6, satisfy the driving demand of various different operating modes.Simultaneously, can realize that also pure motorized motions is travelled and reclaim braking energy, thereby improve the fuel economy of car load greatly and reduce discharging by first motor 5 and second motor 6.First motor 5 here only has electricity generate function, and second motor 6 possesses the function of driving and electricity generate function simultaneously.
The detailed operation process of this timesharing 4 wheel driven formula hybrid electric drive system in parallel is as follows:
1. starting
When the SOC of storage battery 4 value was higher, second motor 6 drove the second automobile bridge 2 and starts to walk in pure electronic mode; When the SOC of storage battery 4 value was lower than the limit low value of its setting, driving engine 3 started, by driving engine 3 startings and simultaneously to storage battery 4 chargings.
2. climbing
When the SOC of storage battery 4 value was higher, the driving engine 3 and second motor 6 were united driving, realized four wheel drive; When the SOC of storage battery 4 value is lower than the limit low value of its setting, only provide climbing power by driving engine 3.
3. quicken
When the SOC of storage battery 4 value was higher, the driving engine 3 and second motor 6 unite to drive provided peak power, satisfied and quickened required driving power; When the SOC value of storage battery 4 is low, only provide driving power by driving engine 3.
4. at the uniform velocity
Higher and speed of operation drives automobiles by second motor 6 when the pure electronic highest line of setting is sailed in the vehicle speed range when the SOC of storage battery 4 value, and driving engine 3 is not worked; When the SOC of storage battery 4 value is low, drive automobiles by driving engine 3, have under the situation more than needed to battery charge at driving engine 3 power, remain driving engine 3 in efficient district's work.
5. braking or deceleration
When brake pedal slightly depressed, driving engine 3 cut out, if the SOC of storage battery 4 allows, first motor 5 and second motor 6 work in generating state, and the first automobile bridge 1, the second automobile bridge 2 all carry out braking energy and reclaim, accumulators 4 chargings; When brake pedal severe depressed, first motor 5 and second motor 6 provided braking torque, and mechanical brake also participates in braking simultaneously.
6. reversing
When the SOC of storage battery 4 value was higher, 6 counter-rotatings of second motor provided driving power by second motor 6; When the SOC of storage battery 4 value is low, provide driving power by driving engine 3 via automatic transmission with hydraulic torque converter 11, realizing falls back travels.
Specific embodiment described herein only is that spirit of the present invention is made casehistory.The technical personnel of the technical field of the invention can be made various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as the first automobile bridge 1, the second automobile bridge 2, driving engine 3, storage battery 4, first motor 5, second motor 6, engine controller 7, first electric machine controller 91, second electric machine controller 92, entire car controller 10, automatic transmission with hydraulic torque converter 11, the first deceleration box of tricks 12, engine gear 13, motor gear 14, the second deceleration box of tricks 15 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (7)
1. time-division 4-wheel drive (4 WD) parallel hybrid driving system, be arranged between the first automobile bridge (1) and the second automobile bridge (2), this drive system comprises driving engine (3), storage battery (4), and first motor (5) and second motor (6) that can carry out electric energy and mechanical energy conversion, it is characterized in that, described driving engine (3) links with the first automobile bridge (1), on driving engine (3), be connected with the engine controller (7) that to control driving engine (3) work, when working, driving engine (3) can drive the work of the first automobile bridge (1), described second motor (6) links with the second automobile bridge (2), on second motor (6), be connected with second electric machine controller (92) that links with storage battery (4) and can control second motor (6) work, when being in, second motor (6) can drive the work of the second automobile bridge (2) when electric energy is converted to the mechanical energy mode of operation, described first motor (5) be connected driving engine (3) and can control first motor (5) work and and first electric machine controller (91) that links of storage battery (4) between, when driving engine (3) is in running order first motor (5) can be under the drive of driving engine (3) to storage battery (4) charging, described second motor (6) can charge to storage battery (4) when being in mechanical energy and being converted to the electric energy mode of operation.
2. time-division 4-wheel drive (4 WD) parallel hybrid driving system according to claim 1 is characterized in that, described engine controller (7), first electric machine controller (91) and second electric machine controller (92) all link with entire car controller (10).
3. time-division 4-wheel drive (4 WD) parallel hybrid driving system according to claim 2, it is characterized in that, the mouth of described driving engine (3) is connected with automatic transmission with hydraulic torque converter (11), and described automatic transmission with hydraulic torque converter (11) links by the first deceleration box of tricks (12) and the first automobile bridge (1).
4. time-division 4-wheel drive (4 WD) parallel hybrid driving system according to claim 3, it is characterized in that, be connected with engine gear (13) on the described automatic transmission with hydraulic torque converter (11), be connected with motor gear (14) on described first motor (5), described engine gear (13) is meshed with motor gear (14).
5. according to claim 1 or 2 or 3 or 4 described time-division 4-wheel drive (4 WD) parallel hybrid driving systems, it is characterized in that described second motor (6) links by the second deceleration box of tricks (15) and the second automobile bridge (2).
6. according to claim 1 or 2 or 3 or 4 described time-division 4-wheel drive (4 WD) parallel hybrid driving systems, it is characterized in that described storage battery (4) is a battery pack.
7. according to claim 1 or 2 or 3 or 4 described time-division 4-wheel drive (4 WD) parallel hybrid driving systems, it is characterized in that the described first automobile bridge (1) is an automobile front axle, the described second automobile bridge (2) is an automobile axle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102576633A CN101913322B (en) | 2010-08-19 | 2010-08-19 | Time-division 4-wheel drive (4WD) parallel hybrid driving system |
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| CN2010102576633A CN101913322B (en) | 2010-08-19 | 2010-08-19 | Time-division 4-wheel drive (4WD) parallel hybrid driving system |
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| CN101913322A true CN101913322A (en) | 2010-12-15 |
| CN101913322B CN101913322B (en) | 2013-04-24 |
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Cited By (13)
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| CN102381177A (en) * | 2011-08-18 | 2012-03-21 | 奇瑞汽车股份有限公司 | Electric four-drive hybrid system and control method thereof |
| CN102897029A (en) * | 2012-10-24 | 2013-01-30 | 同济大学 | Range-extending four-wheel pure electric automobile power system |
| CN102991334A (en) * | 2011-09-08 | 2013-03-27 | 北汽福田汽车股份有限公司 | Driving system and driving method of four-wheel driven hybrid power vehicle |
| CN103273843A (en) * | 2013-04-27 | 2013-09-04 | 燕山大学 | Hydraulic part time four-wheel-drive drive system of self-propelled harvester |
| CN104417341A (en) * | 2013-09-09 | 2015-03-18 | 北汽福田汽车股份有限公司 | Hybrid power system for automobile, hybrid power automobile and control method of hybrid power automobile |
| CN104955697A (en) * | 2013-01-23 | 2015-09-30 | 奥迪股份公司 | Method for operating a hybrid drive device of a motor vehicle, corresponding hybrid drive device and motor vehicle |
| CN105059105A (en) * | 2015-09-11 | 2015-11-18 | 重庆青山工业有限责任公司 | Four-wheel-drive power assembly of hybrid electric vehicle |
| CN106788130A (en) * | 2017-01-10 | 2017-05-31 | 四川埃姆克伺服科技有限公司 | A kind of electric machine control system |
| CN106740810A (en) * | 2017-01-24 | 2017-05-31 | 王骏杰 | Hybrid power system based on double clutch transmission structures |
| CN107554275A (en) * | 2016-06-30 | 2018-01-09 | 比亚迪股份有限公司 | The mobile power station and motor vehicle driven by mixed power of motor vehicle driven by mixed power |
| CN108162952A (en) * | 2016-12-06 | 2018-06-15 | 上海海马汽车研发有限公司 | A kind of novel four-wheel-drive hybrid power system and its driving method |
| CN108215770A (en) * | 2017-12-26 | 2018-06-29 | 阿尔特汽车技术股份有限公司 | Hybrid power system based on 4 wheel driven offroad vehicle |
| CN110696604A (en) * | 2019-11-27 | 2020-01-17 | 洛阳智能农业装备研究院有限公司 | Series hybrid power driving system of electric tractor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102381177A (en) * | 2011-08-18 | 2012-03-21 | 奇瑞汽车股份有限公司 | Electric four-drive hybrid system and control method thereof |
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| CN103273843A (en) * | 2013-04-27 | 2013-09-04 | 燕山大学 | Hydraulic part time four-wheel-drive drive system of self-propelled harvester |
| CN104417341B (en) * | 2013-09-09 | 2017-08-04 | 北汽福田汽车股份有限公司 | Hybrid power system, hybrid electric vehicle and its control method for automobile |
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| CN105059105A (en) * | 2015-09-11 | 2015-11-18 | 重庆青山工业有限责任公司 | Four-wheel-drive power assembly of hybrid electric vehicle |
| CN107554275A (en) * | 2016-06-30 | 2018-01-09 | 比亚迪股份有限公司 | The mobile power station and motor vehicle driven by mixed power of motor vehicle driven by mixed power |
| CN108162952A (en) * | 2016-12-06 | 2018-06-15 | 上海海马汽车研发有限公司 | A kind of novel four-wheel-drive hybrid power system and its driving method |
| CN108162952B (en) * | 2016-12-06 | 2020-08-11 | 海马汽车有限公司 | Novel four-wheel drive hybrid power system and driving method thereof |
| CN106788130A (en) * | 2017-01-10 | 2017-05-31 | 四川埃姆克伺服科技有限公司 | A kind of electric machine control system |
| CN106740810A (en) * | 2017-01-24 | 2017-05-31 | 王骏杰 | Hybrid power system based on double clutch transmission structures |
| CN108215770A (en) * | 2017-12-26 | 2018-06-29 | 阿尔特汽车技术股份有限公司 | Hybrid power system based on 4 wheel driven offroad vehicle |
| CN110696604A (en) * | 2019-11-27 | 2020-01-17 | 洛阳智能农业装备研究院有限公司 | Series hybrid power driving system of electric tractor |
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