CN102658772B - Hybrid electric vehicle power system - Google Patents
Hybrid electric vehicle power system Download PDFInfo
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- CN102658772B CN102658772B CN201210162342.4A CN201210162342A CN102658772B CN 102658772 B CN102658772 B CN 102658772B CN 201210162342 A CN201210162342 A CN 201210162342A CN 102658772 B CN102658772 B CN 102658772B
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- gear
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- output shaft
- dead axle
- retarder
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Abstract
The invention discloses a kind of hybrid electric vehicle power system, the output shaft of driving engine is connected with pinion carrier, pinion carrier is equipped with non-dead axle satellite gear, each non-dead axle satellite gear all engages with sun wheel and gear ring, sun wheel and transition gear are coaxially installed, this transition gear engages with output gear, and output gear is installed on the output shaft of the first motor; The second external gear is provided with in the end of gear ring, this second external gear is meshed with the first external gear, first external gear is arranged on the output shaft of the second motor, and the output shaft of the second motor is also provided with retarder driving gear, and this retarder driving gear is meshed with retarder driven gearwheel.The present invention can effectively reduce axis and radial dimension, makes that integral structure is compacter, volume is smaller and more exquisite, and be conducive to arranging in automobile front engine, and extend range of use, the vehicle little for forward engine room space is also applicable.
Description
Technical field
The invention belongs to electric vehicle engineering field, the power system particularly on mixed power electric car.
Background technology
Mixed power electric car (hybridelectricvehicle, HEV) feature of orthodox car and pure electric automobile is had concurrently, be the energy-saving automobile being acknowledged as most practical value and the most probable realization marketization at present, third generation Toyota Prius automobile is the typical vehicle of current HEV the most salable.
The sun and planet gear of third generation Toyota Prius automobile is as the power coupling mechanism of series parallel type HEV, possess multi input and multi output feature, by the adjustment of control policy, can realize that driving engine drives separately, motor drives separately, the mode of operation such as driving engine and motor drive jointly, the optimum matching and the intelligence that achieve oil electricity switch, and become the first-selection of HEV power coupling mechanism.
The power coupler of third generation Toyota Prius automobile is as shown in Fig. 2 (in figure dashed rectangle), by output gear 1, dead axle satellite gear 2, sun wheel 3, non-dead axle satellite gear 4, gear ring 5, first external gear 6, retarder driving gear 7, retarder driven gearwheel 8, the formations such as the second external gear 9 and pinion carrier 10, the output shaft of driving engine ICE is connected with pinion carrier 10, pinion carrier 10 is equipped with three circumferentially non-dead axle satellite gears 4 of well-distributed, each non-dead axle satellite gear 4 all engages with sun wheel 3 and gear ring 5, sun wheel 3 is arranged on the output shaft of the first motor M 1.In gear ring 5, be also provided with three dead axle satellite gears 2 be meshed with it, each dead axle satellite gear 2 all engages with the output gear 1 of the second motor M 2, and output gear 1 is the sun wheel of dead axle satellite gear 2.The excircle of described gear ring 5 is provided with the second external gear 9, this second external gear 9 engages with the first external gear 6 of outside, and the axle of the first external gear 6 installs retarder driving gear 7, and this retarder driving gear 7 is meshed with retarder driven gearwheel 8.
Because uniform three gears 4 are non-dead axle satellite gear, therefore, sun wheel 3, non-dead axle satellite gear 4 and gear ring 5 constitute distributing means for power supply.Because uniform three gears 2 are dead axle satellite gear, therefore, output gear 1, dead axle satellite gear 2 and gear ring 5 constitute the second motor M 2 deceleration increase turn round device.
Then the relation of this distributing means for power supply motor M 2, M1 and engine speed is as follows:
n
M1+i·p·n
M2＝(1+i)·n
ICE(1)
In formula: n
m1---the rotating speed of motor M 1;
N
m2---the rotating speed of motor M 2;
The ratio of number of teeth of i---gear ring 5 inner gear and sun wheel 3;
The ratio of number of teeth (p < 1) of p---output gear 1 and gear ring 5 inner gear;
N
iCE---the rotating speed of driving engine.
The moment of torsion part that driving engine exports acts in motor M 1 by sun wheel 3, and a part acts on gear ring 5, and torque distribution exists following relation:
T
M1＝T
ICE/(1+i)(2)
T
5＝i·T
ICE/(1+i)(3)
In formula: T
m1---engine output torque acts on the moment of torsion of motor M 1;
T
5---engine output torque acts on the moment of torsion of gear ring 5;
T
iCE---the output torque of driving engine.
The power system of above-mentioned power coupler is adopted to have following deficiency:
1) the first motor M 1 is positioned at pinion carrier, first motor M 1 and the second motor M 2 are lived apart in the both sides of gear ring 5, and the first motor M 1 is between driving engine ICE and the second motor M 2, the axial dimension of whole like this power system is larger, be unfavorable for that power system is arranged in automobile front engine, the range of use of power system can be affected, particularly inapplicable for the vehicle that forward engine room space is little.
2) the deceleration increasing of the second motor M 2 is turned round device and is adopted sun and planet gear, and structure is comparatively complicated, and parts machining difficulty, manufactures production difficulty relatively large, and not only dismounting is inconvenient, is unfavorable for maintenance, and can increases the cost of whole power system.
3) the first external gear 6 is in the outside of gear ring 5 circumference, the radial dimension of whole power system is larger, make power system in automobile front engine, arrange inconvenience, the range of use of power system can be affected equally, particularly inapplicable for the vehicle that forward engine room space is little.
4) power coupler inside has 13 need processing gears, the productive costs of power system can be increased, and power system connect easily produce interference, driving efficiency and load-carrying capacity poor.
Summary of the invention
Technical matters to be solved by this invention is the hybrid electric vehicle power system providing a kind of compact conformation, spatial volume little.
Technical scheme of the present invention is as follows: a kind of hybrid electric vehicle power system, comprises driving engine (ICE), first motor (M1), second motor (M2), output gear (1), transition gear (2 '), sun wheel (3), non-dead axle satellite gear (4), gear ring (5), first external gear (6), retarder driving gear (7), retarder driven gearwheel (8), second external gear (9) and pinion carrier (10), the output shaft of driving engine (ICE) is connected with pinion carrier (10), pinion carrier (10) is equipped with the non-dead axle satellite gear (4) of circumferentially well-distributed, each non-dead axle satellite gear (4) is all engaged with sun wheel (3) and gear ring (5), described sun wheel (3) and transition gear (2 ') are coaxially installed, transition gear (2 ') is positioned at the outside of gear ring (5), this transition gear (2 ') engages with output gear (1), and output gear (1) is installed on the output shaft of the first motor (M1), the second external gear (9) is provided with in the end of described gear ring (5), this second external gear (9) is meshed with the first external gear (6), first external gear (6) is arranged on the output shaft of the second motor (M2), and the second motor (M2) and the first motor (M1) are positioned at the same side of gear ring (5), the output shaft of described second motor (M2) is also provided with retarder driving gear (7), and this retarder driving gear (7) is meshed with retarder driven gearwheel (8).
Adopt above technical scheme, sun wheel, non-dead axle satellite gear and gear ring constitute distributing means for power supply, and device is turned round in the deceleration increasing that the first external gear, the second external gear and gear ring constitute the second motor.The present invention by the first motor from traditional side moving to the second motor between driving engine and the second motor, and the second motor and the first motor are positioned at the same side of gear ring, first motor by the engagement of output gear and transition gear by transmission of power to sun wheel, like this while not influential system power delivery mode, the direction of driving engine to correspondingly the second motor can be moved, correspondingly can reduce the axial length of whole power system; Set up the second external gear in the end of gear ring, this second external gear engages with the first external gear, and the first external gear and retarder driving gear are coaxially installed, and thus reduce the radial dimension of whole power system.Compared with background technology, axis of the present invention and radial dimension all have reduction, and whole power system architecture is compacter, spatial volume is little, arrange easily in automobile front engine, and add the range of use of power system, particularly also applicable for the vehicle that forward engine room space is little.Meanwhile, the deceleration of the second motor increases and turns round device and change by traditional sun and planet gear the full depth tooth wheel set that two external gears form into by the present invention, and parts machining is easy, manufactures production difficulty relatively little, not only easy accessibility, and is conducive to maintenance.
As preferably, described pinion carrier (10) is equipped with three circumferentially non-dead axle satellite gears (4) of well-distributed.
As preferably, described gear ring (5) and the second external gear (9) are structure as a whole.
The invention has the beneficial effects as follows:
1) can effectively reduce axis and radial dimension, make that integral structure is compacter, spatial volume is smaller and more exquisite, be conducive to arranging in automobile front engine, and extend range of use, the vehicle little for forward engine room space is also applicable.
2) by changing the drive mechanism between the second motor and gear ring into common gear pair, simplify the processing technology of parts, reduce manufacture production difficulty, make easy accessibility, maintenance is convenient.
3) the first motor exports the engaged transmission (k < 1) by output gear and transition gear, under the prerequisite not changing whole power system outputting power, make the type selecting of the first motor only reasonably need reduce torque, improve rotating speed, for motor, reasonably reduce moment of torsion raising rotating speed and can reduce electric machine design difficulty and purchase cost, thus indirectly reduce the cost of whole dynamic assembly, simultaneously motor weight and volume be can reduce, thus the cost of whole dynamic assembly, weight and volume indirectly reduced.
4) power coupler inside has 11 gears, compared with background technology, saves a gear, reduces total cost; Meanwhile, power system connects can not produce interference, and driving efficiency is high, and load-carrying capacity is strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of background technology.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, the present invention is made up of driving engine ICE, the first motor M 1, second motor M 2, output gear 1, transition gear 2 ', sun wheel 3, non-dead axle satellite gear 4, gear ring 5, first external gear 6, retarder driving gear 7, retarder driven gearwheel 8, second external gear 9 and pinion carrier 10 etc.Wherein, driving engine ICE is positioned at the graphic leftmost side, the output shaft of this driving engine ICE is connected with pinion carrier 10, pinion carrier 10 is positioned at the right side of driving engine ICE, pinion carrier 10 is equipped with three circumferentially non-dead axle satellite gears 4 of well-distributed, these three non-dead axle satellite gears 4 are all positioned at gear ring 5, and three non-dead axle satellite gears 4 are meshed with gear ring 5.Be provided with sun wheel 3 in the centre of described three non-dead axle satellite gears 4, this sun wheel 3 is meshed with three non-dead axle satellite gears 4.
As can be known from Fig. 1, sun wheel 3 and transition gear 2 ' are coaxially installed, and transition gear 2 ' is positioned at the right side of gear ring 5, and this transition gear 2 ' engages with output gear 1, and output gear 1 is installed on the output shaft of the first motor M 1.Be integrally formed in the right-hand member end of described gear ring 5 or assembling is provided with the second external gear 9, this second external gear 9 is meshed with the first external gear 6, and the second gear 6 is 1 with the ratio of number of teeth of gear ring 5.Described first external gear 6 is arranged on the output shaft of the second motor M 2, and the second motor M 2 and the first motor M 1 are all positioned at the right side of gear ring 5.The output shaft of described second motor M 2 is also provided with retarder driving gear 7, and this retarder driving gear 7 is positioned at the right side of the first external gear 6, and retarder driving gear 7 is meshed with retarder driven gearwheel 8.
In the present invention, sun wheel 3, non-dead axle satellite gear 4 and gear ring 5 constitute distributing means for power supply, and device is turned round in the deceleration increasing that the first external gear 6, second external gear 9 and gear ring 5 constitute the second motor M 2.
This distributing means for power supply motor M 2, M1 and engine speed relationship are as follows:
k·n
M1+i·p·n
M2＝(1+i)·n
ICE(4)
In formula: k---the ratio of number of teeth (k < 1) of output gear 1 and transition gear 2 ';
N
m1---the rotating speed of the first motor M 1;
N
m2---the rotating speed of the second motor M 2;
The ratio of number of teeth of i---gear ring 5 inner gear and sun wheel 3;
P---the ratio of number of teeth (p < 1) of the first external gear 6 and the second external gear 9;
N
iCE---the rotating speed of driving engine.
The moment of torsion part that driving engine exports acts in the first motor M 1 by sun wheel 3, and a part acts on gear ring 5, and torque distribution exists following relation:
TM1＝TICE/[k(1+i)](5)
T5＝i·TICE/(1+i)(6)
In formula: TM1---engine output torque acts on the moment of torsion of the first motor M 1;
T5---engine output torque acts on the moment of torsion of gear ring 5;
The output torque of TICE---driving engine.
Claims (3)
1. a hybrid electric vehicle power system, comprise driving engine (ICE), first motor (M1), second motor (M2), output gear (1), sun wheel (3), non-dead axle satellite gear (4), gear ring (5), first external gear (6), retarder driving gear (7), retarder driven gearwheel (8) and pinion carrier (10), the output shaft of driving engine (ICE) is connected with pinion carrier (10), pinion carrier (10) is equipped with the non-dead axle satellite gear (4) of circumferentially well-distributed, each non-dead axle satellite gear (4) is all engaged with sun wheel (3) and gear ring (5), it is characterized in that: described sun wheel (3) and transition gear (2 ') are coaxially installed, transition gear (2 ') is positioned at the outside of gear ring (5), this transition gear (2 ') engages with output gear (1), output gear (1) is installed on the output shaft of the first motor (M1), the second external gear (9) is provided with in the end of described gear ring (5), this second external gear (9) is meshed with the first external gear (6), first external gear (6) is arranged on the output shaft of the second motor (M2), and the second motor (M2) and the first motor (M1) are positioned at the same side of gear ring (5), the output shaft of described second motor (M2) is also provided with retarder driving gear (7), and this retarder driving gear (7) is meshed with retarder driven gearwheel (8).
2. hybrid electric vehicle power system according to claim 1, is characterized in that: three circumferentially non-dead axle satellite gears (4) of well-distributed are housed in described pinion carrier (10).
3. hybrid electric vehicle power system according to claim 1 and 2, is characterized in that: described gear ring (5) and the second external gear (9) are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210162342.4A CN102658772B (en) | 2012-05-23 | 2012-05-23 | Hybrid electric vehicle power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210162342.4A CN102658772B (en) | 2012-05-23 | 2012-05-23 | Hybrid electric vehicle power system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102658772A CN102658772A (en) | 2012-09-12 |
| CN102658772B true CN102658772B (en) | 2015-12-16 |
Family
ID=46768416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210162342.4A Expired - Fee Related CN102658772B (en) | 2012-05-23 | 2012-05-23 | Hybrid electric vehicle power system |
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| Country | Link |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018019612A1 (en) * | 2016-07-26 | 2018-02-01 | Voith Patent Gmbh | Drive device with speed modulation gearbox |
| WO2018019613A1 (en) * | 2016-07-26 | 2018-02-01 | Voith Patent Gmbh | Drive device with speed modulation gearbox |
| CN109080435A (en) * | 2017-06-13 | 2018-12-25 | 郑州宇通客车股份有限公司 | A kind of single planetary row hybrid power system and the vehicle using the hybrid power system |
| CN107650666A (en) * | 2017-08-31 | 2018-02-02 | 上海众联能创新能源科技股份有限公司 | The electric parallel-serial hybrid power system of planetary gear type oil |
| CN110356756B (en) * | 2019-06-15 | 2021-09-03 | 昆明鼎承科技有限公司 | Cigarette storage and conveying equipment with power synthesis transmission device |
| CN115891615A (en) * | 2021-09-30 | 2023-04-04 | 比亚迪股份有限公司 | Hybrid power system and vehicle with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5643119A (en) * | 1994-12-28 | 1997-07-01 | Kabushikikaisha Equos Research | Hybrid vehicle powertrain |
| CN1940345A (en) * | 2005-09-29 | 2007-04-04 | 比亚迪股份有限公司 | Gear transmission, chassis of automobile and mixed power-driven automobile |
| CN101149094A (en) * | 2007-10-25 | 2008-03-26 | 同济大学 | Hybrid power drive device based on double-planetary gear |
| CN101451597A (en) * | 2007-12-05 | 2009-06-10 | 比亚迪股份有限公司 | Mixed power outputting device |
| CN202623902U (en) * | 2012-05-23 | 2012-12-26 | 力帆实业(集团)股份有限公司 | Power device of electric car |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3859052B2 (en) * | 2000-06-13 | 2006-12-20 | アイシン・エィ・ダブリュ株式会社 | Drive device |
-
2012
- 2012-05-23 CN CN201210162342.4A patent/CN102658772B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5643119A (en) * | 1994-12-28 | 1997-07-01 | Kabushikikaisha Equos Research | Hybrid vehicle powertrain |
| CN1940345A (en) * | 2005-09-29 | 2007-04-04 | 比亚迪股份有限公司 | Gear transmission, chassis of automobile and mixed power-driven automobile |
| CN101149094A (en) * | 2007-10-25 | 2008-03-26 | 同济大学 | Hybrid power drive device based on double-planetary gear |
| CN101451597A (en) * | 2007-12-05 | 2009-06-10 | 比亚迪股份有限公司 | Mixed power outputting device |
| CN202623902U (en) * | 2012-05-23 | 2012-12-26 | 力帆实业(集团)股份有限公司 | Power device of electric car |
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| Publication number | Publication date |
|---|---|
| CN102658772A (en) | 2012-09-12 |
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