CN103802654A - Single-motor hybrid driving device - Google Patents
Single-motor hybrid driving device Download PDFInfo
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- CN103802654A CN103802654A CN201410092465.4A CN201410092465A CN103802654A CN 103802654 A CN103802654 A CN 103802654A CN 201410092465 A CN201410092465 A CN 201410092465A CN 103802654 A CN103802654 A CN 103802654A
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Abstract
The invention discloses a single-motor hybrid driving device which comprises an internal combustion engine, an electric motor/generator and a power conversion device. The power conversion device comprises a power input end and a power output end; the internal combustion engine is connected with the power input end of the power conversion device by a clutch; the electric motor/generator is arranged at the power input end or the power output end of the power conversion device; the power conversion device also comprises a planetary gear mechanism and a stepless speed change mechanism; the planetary gear mechanism comprises a sun gear, a planetary gear carrier and a gear ring; the input end and the output end of the stepless speed change mechanism are respectively connected with any two of the sun gear, the planetary gear carrier and the gear ring. The single-motor hybrid driving device can realize various functions of a hybrid electric vehicle, can well meet the requirements of the hybrid electric vehicle on economy and dynamic property of fuel, and is particularly suitable for full hybrid electric vehicles comprising plug-in hybrid electric vehicles.
Description
Technical field
The invention belongs to hybrid drive field, be specifically related to a kind of single electric machine mixed power actuating device.
Background technology
Energy-saving and emission-reduction have become the development topic of auto trade, and the cry of releasing pure electric automobile grows to even greater heights.But owing to being subject to the restriction of the factors such as technology, policy, current pure electric automobile industry also cannot realize the comprehensive marketization.In this case, merged the hybrid vehicle of pure electric automobile and traditional combustion engine automobile advantage, with it, in the outstanding behaviours aspect energy-conservation and environmental protection, the market share increases gradually, and its industry development technology also reaches its maturity.
According to hybrid power system medium power source difference, hybrid drive is mainly divided into two classes: double-motor scheme hybrid drive and single motor scheme hybrid drive.
The hybrid drive of double-motor scheme:
The Prius of Toyota Company is the hybrid vehicle early coming into the market, and is the most successful hybrid vehicle in the market.What Toyota Prius adopted is the hybrid drive of double-motor scheme, wherein combustion engine is connected with planetary gear carrier, by planetary wheel, power is passed to gear ring and sun wheel, gear ring is connected with transmission shaft with No. two dynamoelectric machines, and sun wheel shaft is connected with a dynamoelectric machine.The dynamic branch mechanism that sun and planet gear forms shunts output power of internal combustion engine, a part is directly delivered on axle drive shaft, another part is supplied with electrical motor or battery pack by a dynamoelectric machine, by the control of multiple-energy-source energy management system, be used for to batteries charging, or for driving No. two dynamoelectric machines to increase Automobile drive power.
The hybrid drive of single motor scheme
Another successful hybrid electric vehicle Honda CR-Z on market, what it adopted is Honda IMA hybrid power system.This hybrid power system adopts combustion engine and dynamoelectric machine moment of torsion stacked system to carry out power mixing, combustion engine output is directly connected with dynamoelectric machine rotor by power-transfer clutch, battery pack by controller action in dynamoelectric machine rotor, both power stacks are to realize at output shaft place, and change-speed box is still uniaxial drive.This system is a kind of power overlapping system of constant speed, and using combustion engine as major impetus, dynamoelectric machine is as auxiliary power.
In the hybrid drive of double-motor scheme, working efficiency of internal combustion engine is high, but complex structure.Single motor scheme is without traditional vehicle is carried out to large change, but the work efficiency of its combustion engine still has gap compared with double-motor scheme.
Therefore, market in urgent need one is simple in structure, the hybrid drive of single motor scheme that efficiency is higher.
Summary of the invention
In view of this, the object of this invention is to provide single electric machine mixed power actuating device that a kind of efficiency is higher to overcome the not high defect of single electric machine mixed power actuating device efficiency in prior art.
The object of the invention is to be achieved through the following technical solutions:
A kind of single electric machine mixed power actuating device, comprise combustion engine, dynamoelectric machine and power switching device, described power switching device comprises power intake and clutch end, described combustion engine is connected with the power intake of power switching device by power-transfer clutch, described dynamoelectric machine is arranged on the power intake or clutch end of power switching device, described power switching device also comprises sun and planet gear and stepless speed changing mechanism, described sun and planet gear comprises sun wheel, planetary gear carrier and gear ring, the input end of described stepless speed changing mechanism and mouth respectively with sun wheel, planetary gear carrier is with among gear ring three, both are connected arbitrarily,
Further, between described combustion engine and power-transfer clutch, be also provided with the bumper for damping;
Further, the bumper arranging between described combustion engine and power-transfer clutch is double mass flywheel.
The invention has the beneficial effects as follows: the input end of single electric machine mixed power actuating device of the present invention by making stepless speed changing mechanism and mouth are connected respectively two key elements in sun and planet gear three elements to form new speed-changing mechanism, thereby change output speed and the torque of power switching device, the present invention can provide compared with large speed ratio variation range and speed ratio continuous stepless is changed, in the time of combustion engine and dynamoelectric machine co-operation, the speed ratio that changes power switching device by continuous stepless can make the variation of the rotating speed adaption demand rotating speed of combustion engine, by dynamoelectric machine, torque is regulated and makes the output torque of this actuating device satisfy the demands torque, thereby realize the adaptation of complete twin-request torque rotary speed in the situation that not changing internal combustion engine region.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating below, or can be instructed from the practice of the present invention.Target of the present invention and other advantages can be realized and be obtained by specification sheets below.
Accompanying drawing explanation
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is the structural representation of the embodiment of the present invention two;
Fig. 3 is the structural representation of the embodiment of the present invention three;
Fig. 4 is the structural representation of the embodiment of the present invention four;
Fig. 5 is the structural representation of the embodiment of the present invention five;
Fig. 6 is the structural representation of the embodiment of the present invention six;
Fig. 7 is the structural representation of the embodiment of the present invention seven;
Fig. 8 is the structural representation of the embodiment of the present invention eight;
In figure, 10, combustion engine, 20, dynamoelectric machine, 30, sun and planet gear, 31, sun wheel, 32 planetary gear carriers, 33, gear ring, 40, stepless speed changing mechanism, 60, drive axle device, 70, power input shaft, 80, power take-off shaft, c1, power-transfer clutch.
The specific embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.Should be appreciated that preferred embodiment is only for the present invention is described, rather than in order to limit the scope of the invention.
Embodiment mono-:
As shown in Figure 1, single electric machine mixed power actuating device of the present embodiment comprises combustion engine 10, dynamoelectric machine 20 and power switching device, described power switching device comprises power input shaft 70 and power take-off shaft 80, described combustion engine 10 is connected with the power input shaft 70 of power switching device by power-transfer clutch c1, described dynamoelectric machine 20 is arranged on the power input shaft 70 of power switching device, described power switching device also comprises sun and planet gear 30 and stepless speed changing mechanism 40, described sun and planet gear 30 comprises sun wheel 31, planetary gear carrier 32 and gear ring 33, the input end of described stepless speed changing mechanism 40 is connected with planetary gear carrier 32, its mouth is connected with gear ring 33, in this enforcement, the power input shaft of power switching device 70 is in transmission connection with planetary gear carrier 32, and its power take-off shaft 80 is connected with sun wheel 31, finally, the power take-off shaft 80 of power switching device by transmission of power to drive axle device 60.
The parking operating mode of the present embodiment: when stationary vehicle, if storage battery does not need charging, combustion engine 10 is in closed condition; In the time that storage battery needs combustion engine 10 to start it is charged, combustion engine 10 will start driving electric/electrical generator 20 with generator mode work.
The vehicle launch operating mode of the present embodiment: start vehicle under underloading and closed throttle state time, only have dynamoelectric machine 20 to move, combustion engine 10 does not turn round, and vehicle launch only provides power by electric power.
The engine starting operating mode of the present embodiment: in the time that the speed of a motor vehicle reaches certain speed, combustion engine 10 starts by dynamoelectric machine 20.
The low speed driving operating mode of the present embodiment: under low speed driving operating mode, dynamoelectric machine 20 provides power, and combustion engine 10 is not worked.
The high speed accelerating mode of the present embodiment: under high speed accelerating mode, the common vehicle that drives of combustion engine 10 and dynamoelectric machine 20, dynamoelectric machine 20 is worked in electrical motor mode.
The high-performance cruise operating mode of the present embodiment: under high-performance cruise operating mode, combustion engine 10 and dynamoelectric machine 20 are worked simultaneously, and dynamoelectric machine 20 is worked in electrical generator mode.
The astern condition of the present embodiment: in the time of vehicle backing, dynamoelectric machine 20 is worked, and combustion engine 10 is closed.
The deceleration of the present embodiment or damped condition: under deceleration or damped condition, combustion engine 10 is closed, and dynamoelectric machine 20 is now worked in electrical generator mode, and mechanical energy is converted into electric energy to greatest extent, stores in storage battery.
The fuel economy of mixed power automobile driving system of the present invention when driving the high efficiency pure motor driving of dynamoelectric machine 20 to improve that low speed (low-power requirements) travels.When mid power demand, adopt operating mode of internal combustion engine, stepless speed changing mechanism 40 can expand speed ratio variation range and speed ratio be changed continuously with the power switching device that sun and planet gear 30 forms simultaneously, combustion engine can be mated according to best economy rule, and when combustion engine 10 is worked, fuel efficiency is higher all the time.When combustion engine 10 is worked, if accumulator electric-quantity considers to allow dynamoelectric machine 20 be operated in generating state lower than certain lower limit, when improving engine load rate, keep the relative equilibrium of battery electric quantity, made the net effciency of car load power system reach optimum.When high-power demand, when combustion engine 10 is worked, provide auxiliary power by dynamoelectric machine 20, meet preferably the tractive performance requirement that car load travels.
Generally speaking, mixed power automobile driving system of the present invention is simple in structure, can realize the various functions of hybrid vehicle, and can meet preferably the requirement of hybrid vehicle to fuel economy and dynamic property, especially be suitable for comprising the severe hybrid power automobile of plug-in hybrid-power automobile.
Embodiment bis-: as shown in Figure 2, the difference of the present embodiment and embodiment mono-is only that dynamoelectric machine 20 is arranged on the power take-off shaft 80 of power switching device, thereby form twin axle parallel connection type hybrid power system, embodiment mono-is arranged on dynamoelectric machine 20 on the power input shaft 70 of power switching device and belongs to single axle parallel connection type hybrid power system, and two kinds of modes all can well realize goal of the invention of the present invention.
The concrete structure of embodiment tri-to eight is referring to accompanying drawing 3-8, and these embodiment slightly make according to different situations the specific embodiment converting, and the effect of its technical scheme is identical with invention thought essence, therefore all within protection domain of the present invention.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of claim scope of the present invention.
Claims (3)
1. a single electric machine mixed power actuating device, comprise combustion engine, dynamoelectric machine and power switching device, described power switching device comprises power intake and clutch end, described combustion engine is connected with the power intake of power switching device by power-transfer clutch, described dynamoelectric machine is arranged on the power intake or clutch end of power switching device, it is characterized in that: described power switching device also comprises sun and planet gear and stepless speed changing mechanism, described sun and planet gear comprises sun wheel, planetary gear carrier and gear ring, the input end of described stepless speed changing mechanism and mouth respectively with sun wheel, planetary gear carrier with among gear ring three any both be connected.
2. single electric machine mixed power actuating device according to claim 1, is characterized in that: between described combustion engine and power-transfer clutch, be also provided with the bumper for damping.
3. single electric machine mixed power actuating device according to claim 2, is characterized in that: the bumper arranging between described combustion engine and power-transfer clutch is double mass flywheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410092465.4A CN103802654A (en) | 2014-03-13 | 2014-03-13 | Single-motor hybrid driving device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410092465.4A CN103802654A (en) | 2014-03-13 | 2014-03-13 | Single-motor hybrid driving device |
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| CN103802654A true CN103802654A (en) | 2014-05-21 |
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| CN201410092465.4A Pending CN103802654A (en) | 2014-03-13 | 2014-03-13 | Single-motor hybrid driving device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742730A (en) * | 2015-04-03 | 2015-07-01 | 重庆大学 | Multi-mode coupled power transmission system of range-increasing electric car |
| CN107627832A (en) * | 2017-09-08 | 2018-01-26 | 重庆大学 | Reverse-flow type power coupling transmission system |
| CN107856527A (en) * | 2017-12-07 | 2018-03-30 | 吉林大学 | A kind of motor-driven serial mixed power bull-dozer differential running gear of list |
| WO2022133941A1 (en) * | 2020-12-24 | 2022-06-30 | 浙江吉利控股集团有限公司 | Single-motor multi-mode hybrid power system and hybrid power vehicle |
Citations (5)
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| CN1280536A (en) * | 1997-12-05 | 2001-01-17 | 丰田自动车株式会社 | Hybrid driver |
| JP2004175320A (en) * | 2002-11-29 | 2004-06-24 | Equos Research Co Ltd | Drive unit for hybrid vehicle |
| CN101228370A (en) * | 2005-07-23 | 2008-07-23 | 卢克摩擦片和离合器两合公司 | Power-splitting gearbox with several ratio ranges with steplessly adjustable ratios |
| CN101296831A (en) * | 2005-10-26 | 2008-10-29 | 丰田自动车株式会社 | Speed change control system of automatic speed changer |
| CN101495338A (en) * | 2006-11-27 | 2009-07-29 | 爱信艾达株式会社 | Hybrid drive device |
-
2014
- 2014-03-13 CN CN201410092465.4A patent/CN103802654A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280536A (en) * | 1997-12-05 | 2001-01-17 | 丰田自动车株式会社 | Hybrid driver |
| JP2004175320A (en) * | 2002-11-29 | 2004-06-24 | Equos Research Co Ltd | Drive unit for hybrid vehicle |
| CN101228370A (en) * | 2005-07-23 | 2008-07-23 | 卢克摩擦片和离合器两合公司 | Power-splitting gearbox with several ratio ranges with steplessly adjustable ratios |
| CN101296831A (en) * | 2005-10-26 | 2008-10-29 | 丰田自动车株式会社 | Speed change control system of automatic speed changer |
| CN101495338A (en) * | 2006-11-27 | 2009-07-29 | 爱信艾达株式会社 | Hybrid drive device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742730A (en) * | 2015-04-03 | 2015-07-01 | 重庆大学 | Multi-mode coupled power transmission system of range-increasing electric car |
| CN104742730B (en) * | 2015-04-03 | 2017-05-31 | 重庆大学 | A kind of stroke-increasing electric automobile Multiple modes coupling power drive system |
| CN107627832A (en) * | 2017-09-08 | 2018-01-26 | 重庆大学 | Reverse-flow type power coupling transmission system |
| CN107856527A (en) * | 2017-12-07 | 2018-03-30 | 吉林大学 | A kind of motor-driven serial mixed power bull-dozer differential running gear of list |
| CN107856527B (en) * | 2017-12-07 | 2021-05-25 | 吉林大学 | Single-motor-driven serial hybrid power bulldozer differential traveling device |
| WO2022133941A1 (en) * | 2020-12-24 | 2022-06-30 | 浙江吉利控股集团有限公司 | Single-motor multi-mode hybrid power system and hybrid power vehicle |
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Application publication date: 20140521 |