CN202200825U - Plug-in hybrid passenger car driving system - Google Patents
Plug-in hybrid passenger car driving system Download PDFInfo
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- CN202200825U CN202200825U CN201120261746XU CN201120261746U CN202200825U CN 202200825 U CN202200825 U CN 202200825U CN 201120261746X U CN201120261746X U CN 201120261746XU CN 201120261746 U CN201120261746 U CN 201120261746U CN 202200825 U CN202200825 U CN 202200825U
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- generator
- rotor
- integrated starter
- electrokinetic cell
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Abstract
The utility model relates to a plug-in hybrid passenger car driving system, which is characterized in that an engine (1) is coaxially connected with an integrated starter generator (2), the integrated starter generator (2) is connected with the driving disc of an automatic clutch (3), the automatic clutch (3) is connected with the inner rotor of a dual-rotor motor (4), the outer rotor of the dual-rotor motor (4) is connected with a driving bridge (5) and the driving bridge (5) is connected with wheels (6). The plug-in hybrid passenger car driving system has the significant advantages that the adjustment is flexible, the conversion ratio is low, the system efficiency is greatly improved, the volume is greatly reduced, the power is strong, the starting performance is excellent and the fatigue of a driver is greatly reduced.
Description
Technical field
The utility model relates to a kind of plug-in hybrid passenger vehicle drive system, specifically is the motor coach hybrid power driving system of a kind of driving engine, integrated starter-generator and double-rotor machine, belongs to the Vehicle Engineering technical field.
Background technology
Continuous intensification along with global energy crisis; The harm aggravation of the exhaustion day by day of oil resources and atmospheric contamination, global warning; It is the main direction of following automotive technology development with reducing discharging that national governments and automobile enterprise generally recognize energy-conservation, and the development mixed power electric car is the feasible way that solves these two technical barriers at present.Mixed power electric car is divided series, parallel, the three kinds of forms of series-parallel connection of mainly containing by driving system structure at present.The series hybrid type of drive has the fixable advantage of engine working point, but energy process multiple conversions, overall efficiency is lower; Energy need not multiple conversions in the parallel connection combination drive mode, but engine working point changes with the variation of operating mode, and emission performance difference and control are complicated than tandem; Series parallel type combination drive mode has been taken into account the characteristics of above-mentioned dual mode, but complex structure, the difficult arrangement of each parts, the control difficulty is big, and cost can be in any more.
In recent years, Urbanization in China is accelerated day by day, and what be accompanied by is the Rapid Expansion of urban size and the rapid expanding of urban population, and urban mass-transit system faces unprecedented opportunity to develop.The present city bus recoverable amount of China has nearly 500,000 more than; But present most vehicle all is to be the day bus of power with the combustion engine; The non-constant discharging of the performance driving economy of conventional truck in the city is high, mainly is the influence that receives city terrain environment and operating condition particularity.China has formulated the research and development of enterprise that a lot of relevant policy supports preferential, that encourage are correlated with, all kinds of new-energy automobiles that scientific research institutions comprise various hybrid power passenger cars for this reason, has obtained some gratifying achievements.But on the whole, the hybrid power passenger car system is at fuel saving ratio at present, and aspects such as emission performance reach people's expectation value far away.
At present; The domestic hybrid power passenger car drive system that puts into effect mainly contains two kinds of structures, is respectively to be the drive system (like Fig. 1) of representative and to be the drive system (like Fig. 2) of representative with U.S. Eaton with China Fujian Fugong HEV Technologies Development Co., Ltd..Among Fig. 1; Driving engine (1) links to each other with self-acting clutch (3) driving disc spacing pressing; Self-acting clutch (3) is connected with drive motor (4); Drive motor (4) links to each other with drive axle (5), and driving engine (1) is connected with electrical generator (2) through belt, and electrokinetic cell (8) links to each other with drive motor (4) with electrical generator (2) respectively through electric machine controller (7).The key distinction of Fig. 2 and Fig. 1: the integrated starter-generator (2) among Fig. 2 has replaced the electrical generator among Fig. 1 (2); Increased automatic transmission with hydraulic torque converter (10) among Fig. 2; Driving engine among Fig. 2 (1) is coaxial linking to each other with integrated starter-generator (2); And among Fig. 1, driving engine (1) is to be connected with electrical generator (2) through belt.
Mainly there is following problem in two kinds of structures:
1, electrical generator (2) is to link to each other with driving engine (1) through belt among Fig. 1, and driving efficiency is low, and horsepower output is little.System needs bigger base ratio to turn round to increase, and do not have high range overdrive gear simultaneously with the raising speed of a motor vehicle, so maximum speed is lower.
2, among Fig. 2, added Automatic Transmission (10), complex structure, the control difficulty is big, and reliability, stability are difficult to guarantee.
3, two kinds of structures all can't be charged to electrokinetic cell (7) with external power grid.
Therefore be necessary existing systems is improved.
Summary of the invention
The purpose of the utility model is that it is higher to propose a kind of driving efficiency, and the start-stop of vehicle abrupt slope to the deficiency of existing motor coach hybrid power, and the passenger vehicle hybrid electric drive system that acceleration capability is more superior is to solve the technological deficiency of existing structure.It has kept the advantage of traditional series connection type hybrid power system ability flexible engine working point; Drive axle is directly passed in magnetic field effect between the inner outer rotor of the torque of driving engine, has reduced the conversion proportion of mechanical energy and electric energy, according to automobile running working condition; Only the part of engine output power is changed through mechanical energy-electric energy-mechanical energy; Most of power of driving engine is directly passed to drive axle by EM coupling, and system effectiveness improves greatly, and design capacity reduces significantly simultaneously.
The technology implementation scheme of the utility model is following: a kind of plug-in hybrid passenger vehicle drive system, adopt a driving engine, an integrated starter-generator, a double-rotor machine.Driving engine links to each other with integrated starter-generator is coaxial, and integrated starter-generator is connected with clutch driving case, and power-transfer clutch links to each other with the double-rotor machine internal rotor, and the double-rotor machine outer rotor is connected with drive axle, and drive axle links to each other with wheel.Electrokinetic cell is connected with double-rotor machine with integrated starter-generator respectively through electric machine controller, and electrokinetic cell provides electric energy for respectively integrated starter-generator and double-rotor machine, and electrokinetic cell is charged to it by integrated starter-generator and double-rotor machine respectively.When the power-transfer clutch adhesive, the first rotor of double-rotor machine is actual to be to be connected with the bent axle of driving engine, and second rotor of double-rotor machine is connected the direct drive vehicle with drive axle.Electrokinetic cell links to each other with double-rotor machine with integrated starter-generator respectively through Motor controlling machine, and electrokinetic cell can be charged to it by external power grid through charging inlet.
Wherein said power-transfer clutch is a self-acting clutch, and it is according to the demand of bus driving operating mode, the steady combination between realization driving engine under the effect of entire car controller and double-rotor machine internal rotor with separate.Through the control to driving engine, integrated starter-generator, double-rotor machine and electrokinetic cell of entire car controller and electric machine controller, drive system can adopt mode of operation to switch as follows according to vehicle power demand:
1, pure motorized motions pattern
When vehicle start stage or underrun and electrokinetic cell SOC state were higher than lower limit, killed engine this moment, and the whole torques that make the double-rotor machine outer rotor provide car load to drive separately realize zero-emission.
2, pure engine drive pattern
Be lower than lower limit at electrokinetic cell SOC state, can't provide electric energy drive automobile or vehicle needs power just in time for engine operation when the power in efficient district, this moment, driving engine provided power separately.If the electrokinetic cell electric energy is not enough, then this moment, double-rotor machine replenished the electric energy that a part of power carries out electrokinetic cell driving automobile simultaneously.
3, parallelly connected combination drive pattern
Need big driving torque in vehicle brish acceleration, climbing etc., and electrokinetic cell SOC state then can also provide input torque for double-rotor machine at driving engine and electrokinetic cell when being higher than lower limit jointly, turn round output thereby realization increases; Under the situation of extreme torque-demand and the permission of battery SOC state, integrated starter-generator also can be double-rotor machine the torque input is provided, and improves the dynamic property of car load.
4, regenerative braking energy feedback pattern
In car brakeing or moderating process, engine shutdown, double-rotor machine runs on power generation mode, utilizes outer rotor to work independently and carries out the regenerating braking energy recovery, realizes the regenerative braking energy feedback pattern.
5, stopping for charging pattern
After the vehicle pull-in, can whether determine to its charging according to the SOC state of electrokinetic cell.If need charging, then through charging inlet electrokinetic cell charged by external power grid.When driving, power shortage appears in SOC like electrokinetic cell, can stop electrokinetic cell to be charged through integrated starter-generator by driving engine.
The utility model is compared with existing hybrid electric drive system; Have following major advantage: it has kept the advantage of traditional series connection type hybrid power system ability flexible engine working point, and driving engine always works in the most efficiently district, and drive axle is directly passed in the magnetic field effect between the inner outer rotor of the torque of driving engine; Reduced the conversion proportion of mechanical energy and electric energy; According to automobile running working condition, only the part of engine output power to be changed through mechanical energy-electric energy-mechanical energy, most of power of driving engine is directly passed to drive axle by EM coupling; System effectiveness improves greatly, and design capacity reduces significantly simultaneously.Small power motor can be realized strong impetus, and the uphill starting performance is remarkable, and during starting, motor and driving engine can co-operation, even continuous uphill starting also can be tackled freely; Vehicle implementation stepless change, chaufeur only need step on the accelerator and brake easily to drive, and reduce driver fatigue intensity greatly.
Description of drawings
Fig. 1 is a good fortune worker hybrid power system principle schematic;
Fig. 2 is an Eton hybrid power system principle schematic;
Fig. 3 is the utility model principle schematic.
Among Fig. 3: the 1-driving engine; The integrated starter-generator of 2-; The 3-self-acting clutch; The 4-double-rotor machine; The 5-drive axle; The 6-wheel; The 7-electric machine controller; The 8-electrokinetic cell; The 9-charging inlet.
The specific embodiment
Embodiment below in conjunction with 3 pairs of the utility model of accompanying drawing elaborates.
As shown in Figure 3; This drive system comprises driving engine 1; Integrated starter-generator 2, self-acting clutch 3, double-rotor machine 4, drive axle 5, wheel 6, electric machine controller 7, electrokinetic cell 8 and charging inlet 9, wherein driving engine 1 and integrated 2 coaxial linking to each other of starter-generator, integrated starter-generator 2 is connected with self-acting clutch 3 driving disc spacing pressings; Self-acting clutch 3 links to each other with double-rotor machine 4 internal rotors, and double-rotor machine 4 outer rotors link to each other with drive axle 5.Electrokinetic cell 8 is connected with double-rotor machine 4 with integrated starter-generator 2 respectively through electric machine controller 7, and electrokinetic cell 8 can be charged to it by external power grid through charging inlet 9.
Wherein electric machine controller 7 comprises integrated starter-generator 2 controllers and double-rotor machine 4 controllers, and said electrokinetic cell 8 contains battery management system.
Fig. 1, Fig. 2, thick black line refers to mechanical connection among Fig. 3, the fine dotted line bar refers to be electrically connected.
Concrete working process is following:
When pure motor drive mode, driving engine 1 is shut down, and self-acting clutch 3 separates, and electrokinetic cell 8 provides electric energy to double-rotor machine 4, and the whole torques that make double-rotor machine 4 outer rotors provide car load to drive separately realize zero-emission.Wherein, the electric energy of electrokinetic cell 8 has three kinds of source channels: drive integrated starter-generator 2 generatings and braking energy feedback through charging inlet 9 by external power grid charging, driving engine 1.
During pure engine drive pattern; The energy of driving engine 1 output is delivered to the internal rotor of double-rotor machine 4 through integrated starter-generator 2, self-acting clutch 3; Through EM coupling, the internal rotor of double-rotor machine 4 passes to outer rotor and arrives drive axle 5 outputs again, in this process; Integrated starter-generator 2 idle running are not done work.
During parallel connection combination drive pattern; To double-rotor machine 4 two transfer of energy paths are arranged; One of which is the energy of driving engine 1 output is delivered to double-rotor machine 4 through integrated starter-generator 2, self-acting clutch 3 a internal rotor; It two is electrokinetic cell 8 internal rotor to double-rotor machine 4, and the energy that transmits of two paths all outputs to drive axle 5 by the outer rotor of double-rotor machine 4.
During the regenerative braking energy feedback pattern, driving engine 1 is shut down, double-rotor machine 4 runs on power generation mode, utilizes outer rotor to work independently and carries out the regenerating braking energy recovery, realizes the regenerative braking energy feedback pattern.
During the stopping for charging pattern, electrokinetic cell is charged by external power grid through charging inlet 9.When driving if electrokinetic cell 8 serious power shortages, but also driving engine 1 drives 8 chargings of 2 pairs of electrokinetic cells of integrated starter-generator.
Claims (3)
1. plug-in hybrid passenger vehicle drive system; Comprise: driving engine (1), integrated starter-generator (2), self-acting clutch (3), double-rotor machine (4), drive axle (5), wheel (6), electric machine controller (7), electrokinetic cell (8), charging inlet (9); It is characterized in that: driving engine (1) and coaxial linking to each other of integrated starter-generator (2); Integrated starter-generator (2) is connected with self-acting clutch (3) driving disc spacing pressing; Self-acting clutch (3) links to each other with double-rotor machine (4) internal rotor, and double-rotor machine (4) outer rotor is connected with drive axle (5), and drive axle (5) links to each other with wheel (6).
2. a kind of plug-in hybrid passenger vehicle drive system according to claim 1; It is characterized in that: electrokinetic cell (8) is connected with double-rotor machine (4) with integrated starter-generator (2) respectively through electric machine controller (7); Electrokinetic cell (8) provides electric energy for respectively integrated starter-generator (2) and double-rotor machine (4), electrokinetic cell (8) respectively by integrated starter-generator (2) and double-rotor machine (4) to its charging.
3. a kind of plug-in hybrid passenger vehicle drive system according to claim 1 is characterized in that: electrokinetic cell (8) with can be connected its electrically-charged charging inlet (9) by external power grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120261746XU CN202200825U (en) | 2011-07-22 | 2011-07-22 | Plug-in hybrid passenger car driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120261746XU CN202200825U (en) | 2011-07-22 | 2011-07-22 | Plug-in hybrid passenger car driving system |
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| Publication Number | Publication Date |
|---|---|
| CN202200825U true CN202200825U (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120261746XU Expired - Lifetime CN202200825U (en) | 2011-07-22 | 2011-07-22 | Plug-in hybrid passenger car driving system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057394A (en) * | 2012-12-12 | 2013-04-24 | 宁波吉江汽车制造有限责任公司 | Front-engine parallel hybrid power bus |
| CN103978888A (en) * | 2014-05-28 | 2014-08-13 | 哈尔滨工业大学 | Output combined hybrid power system |
| CN106945502A (en) * | 2017-04-21 | 2017-07-14 | 阿尔特汽车技术股份有限公司 | Plug-in hybrid-power automobile synchronization control system |
| CN107120212A (en) * | 2017-05-15 | 2017-09-01 | 王海斌 | Plug-in automobile hydrogen ammonia mixed fuel engine feeding mechanism |
| CN108466614A (en) * | 2017-02-23 | 2018-08-31 | 郑州宇通客车股份有限公司 | A kind of hybrid power passenger car engine starting method |
| CN108482131B (en) * | 2018-03-30 | 2020-03-06 | 江西昌河汽车有限责任公司 | Control method of 48V battery and BSG weak hybrid power energy recovery control system |
-
2011
- 2011-07-22 CN CN201120261746XU patent/CN202200825U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057394A (en) * | 2012-12-12 | 2013-04-24 | 宁波吉江汽车制造有限责任公司 | Front-engine parallel hybrid power bus |
| CN103978888A (en) * | 2014-05-28 | 2014-08-13 | 哈尔滨工业大学 | Output combined hybrid power system |
| CN108466614A (en) * | 2017-02-23 | 2018-08-31 | 郑州宇通客车股份有限公司 | A kind of hybrid power passenger car engine starting method |
| CN106945502A (en) * | 2017-04-21 | 2017-07-14 | 阿尔特汽车技术股份有限公司 | Plug-in hybrid-power automobile synchronization control system |
| CN107120212A (en) * | 2017-05-15 | 2017-09-01 | 王海斌 | Plug-in automobile hydrogen ammonia mixed fuel engine feeding mechanism |
| CN108482131B (en) * | 2018-03-30 | 2020-03-06 | 江西昌河汽车有限责任公司 | Control method of 48V battery and BSG weak hybrid power energy recovery control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120425 |
|
| CX01 | Expiry of patent term |