CN103912640A - Automatic two-gear transmission for electric vehicles - Google Patents
Automatic two-gear transmission for electric vehicles Download PDFInfo
- Publication number
- CN103912640A CN103912640A CN201410141168.4A CN201410141168A CN103912640A CN 103912640 A CN103912640 A CN 103912640A CN 201410141168 A CN201410141168 A CN 201410141168A CN 103912640 A CN103912640 A CN 103912640A
- Authority
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- China
- Prior art keywords
- output shaft
- tooth
- clutch part
- input shaft
- open
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H2003/445—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion without permanent connection between the input and the set of orbital gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention provides an automatic two-gear transmission for electric vehicles. The automatic two-gear transmission comprises an input shaft, an output shaft, a gear ring and a planetary row. The planetary row comprises a planetary carrier, a sun gear and a plurality of planet gears. A normally-open first clutch portion (8) is fixedly connected with the planetary carrier (7) and the output shaft (10) respectively, and separation and connection between the planetary carrier (7) and the output shaft (10) are controlled by opening and closing of the normally-open first clutch portion (8). A normally-open second clutch portion (9) is fixedly connected with the input shaft (3) and the output shaft (10) respectively, and separation and connection between the input shaft (3) and the output shaft (10) is controlled by the opening and closing of the normally-open second clutch portion (9). The automatic two-gear transmission has few parts, and a set of planetary row and two clutches are adopted, so that complexity of a control system is reduced, transmission efficiency is improved, space dimension and center distance of the transmission are reduced, and cost is saved.
Description
Technical field
The invention belongs to pure electric automobile speed changer structure field, especially relates to the two-shift automatic speed variator structure that is applicable to pure electric vehicle.
Background technique
In Vehicle Driving Cycle, motor is the manufacture link of power, and clutch is the transmission hinge of power, and speed changer is the link that realizes the distributed power of vehicle under different running condition.Speed changer is divided into manual transmission and automatic transmission.
Along with Chinese haze pollute day by day serious, the sale of the automobile of country to traditional combustion engine has been put into effect some limits and has been purchased policy, new-energy automobile has been put into effect to some encouragement policies, this makes the automobile of domestic car load factory at some new energy of exploitation, for example hybrid vehicle, pure electric automobile simultaneously.
What pure electric automobile adopted both at home and abroad is the speed changer of primary speed-down structure, needs a kind of speed changer of new structure to carry out transferring power, to adapt to the power output of new-energy automobile, brings into play to greatest extent the characteristic of motor, thereby improves the power performance of car load.
Summary of the invention
For solving the problems of the technologies described above, the technological scheme that the invention adopts is: electric vehicle two-shift automatic speed variator, comprising:
One input shaft 3 and an output shaft 10, the axis coinciding of diaxon;
One fixed gear ring 5, is set on the shaft axis of input shaft 3 and output shaft 10;
One planet row, it comprises a planet carrier 7, a sun gear 6 and multiple planet wheel 4, sun gear 6 is fixedly installed on input shaft 3, planet carrier 7 and output shaft fixed connection, and multiple planet wheels are installed on planet carrier and often engage with the internal tooth of sun gear 6 and gear ring 5 respectively;
The first clutch part 8 open in usual, it is fixedly connected with output shaft 10 with planet carrier 7 respectively, and can opening from separating and connection between, Closed control planet carrier 7 and output shaft 10 by it;
The second clutch part 9 open in usual, it is fixedly connected with output shaft 10 with input shaft 3 respectively, and can opening from separating and connection between, Closed control input shaft 3 and output shaft 10 by it.
Advantage and good effect that the invention has are:
1, this programme number of spare parts is few, adopts 1 cover planet row and two clutches, has reduced the complexity of control system.
2, because the quantity of engaging gear reduces, thereby increased substantially transmission efficiency.
3, because motor can directly be exported and reverse gear, this programme directly output reverses gear, and has cancelled reverse gear mechanism, and common speed changer adopts reverse gear synchronizer and the idle pulley that reverses gear.
4, this scheme is owing to having adopted 1 cover planet row, and compact structure, has shortened the bulk of speed changer.
5, because planet row is interior engaging mechanism, compares and shortened centre distance with outer gearing, thereby shortened the centre distance of whole speed changer.
6, owing to having reduced the quantity of part, so manufacture cost has approximately reduced 60%-70%.
Accompanying drawing explanation
Fig. 1 is that the one of the invention is implemented structural representation
Fig. 2 is that the another kind of the invention is implemented structural representation
Fig. 3 is the gear work table of comparisons of the invention speed changer
In figure, 1 motor stator; 2 rotors; 3 input shafts; 4, planet wheel; 5 gear rings; 6 sun gears; 7 planet carriers; 8 first clutch part; 9 second clutch part; 10 output shafts;
Embodiment
Below in conjunction with Fig. 1 and Fig. 2, the specific embodiment of the invention is elaborated.
The function of speed changer is that the driving moment of motor is passed to back axle or differential mechanism, and in figure, the effect of each parts is as follows respectively:
Motor stator 1, it receives the electric power that car load battery is carried, and drive motor rotor 2 moves.
Rotor 2, it receives the driving moment of stator, driving moment is passed to the input shaft 3 of speed changer.
Input shaft 3 and the rotor 2 of speed changer are linked together, thereby make the moment of torsion of rotor output pass to speed changer.
Planet wheel 4, gear ring 5, sun gear 6, planet carrier 7, these four kinds of element composition planet rows, carry-over moment.
Moment is exported to differential mechanism or back axle by output shaft 10.
The first clutch part 8 open in usual, it is fixedly connected with output shaft 10 with planet carrier 7 respectively, and can opening from separating and connection between, Closed control planet carrier 7 and output shaft 10 by it;
The second clutch part 9 open in usual, it is fixedly connected with output shaft 10 with input shaft 3 respectively, and can opening from separating and connection between, Closed control input shaft 3 and output shaft 10 by it.
The first above-mentioned clutch part 8 and the second clutch part 9, can as shown in Figure 1, adopt the concrete form of clutch; Also can be as shown in Figure 2, comprise that with a set of a tooth hub 11, a tooth cover 12, apportion tooth hub both sides two form in conjunction with the synchronizer of tooth (13,14) realizes, the combination tooth 14 that is tooth hub 11 and tooth cover 12 and a side forms the first clutch part 8 open in usual, tooth hub and tooth cover form the second clutch part 9 open in usual with the combination tooth 13 of opposite side, tooth hub 11 is fixedly connected with output shaft 10, the combination tooth 14 of the first clutch part is fixedly connected with planet carrier 7, and the combination tooth 13 of the second clutch part is fixedly connected with input shaft 3.
With reference to shown in table 1, this speed changer is how to realize two forward gears, two gears that fall back:
One gear D1
When one gear, element 8 (the first clutch part) Operating In Persistent Current Mode, element 7 (planet carrier) and element 10 (output shaft) connect.
Power passes to element 6 (sun gear) by element 3 (motor input shaft), pass to element 7 (planet carrier) by element 4 (planet wheel), element 5 (gear ring) is to be fixed on case of transmission simultaneously, rotating speed is zero, element 7 (planet carrier) outputs power power to element 10 (output shaft) by element 8 (the first clutch part) like this, completes power output.
Power=> element 3=> element 6=> element 4=> element 7=> element 8=> element 10.
Two gear D2
When two gears, element 9 (the second clutch part) Operating In Persistent Current Mode, element 3 (input shaft) and element 10 (output shaft) connect.
Power passes to element 9 (the second clutch part) by element 3 (input shaft), thereby is directly passed to element 10 (output shaft)
Power=> element 9=> element 10.
Neutral P
Element 8 (the first clutch part), element 9 (the second clutch part) is not worked, and power is not exported.
R1 reverses gear
Motor reversal, power output stream is identical with D1 gear.
R2 reverses gear
Motor reversal, power output stream is identical with D2 gear.
Above the embodiment of the invention is had been described in detail, but described content is only for the preferred embodiment of the invention, can not be considered to for limiting practical range of the present invention.All equalization variation and improvement etc. of doing according to the invention scope, within all should still belonging to this patent covering scope.
Claims (4)
1. electric vehicle two-shift automatic speed variator, comprising:
One input shaft (3) and an output shaft (10), the axis coinciding of diaxon;
One fixed gear ring (5), is set on the shaft axis of input shaft (3) and output shaft (10);
One planet row, it comprises a planet carrier (7), a sun gear (6) and multiple planet wheel (4), sun gear (6) is fixedly installed on input shaft (3), planet carrier (7) and output shaft fixed connection, multiple planet wheels are installed on planet carrier and often engage with the internal tooth of sun gear (6) and gear ring (5) respectively;
The first clutch part (8) open in usual, it is fixedly connected with output shaft (10) with planet carrier (7) respectively, and can opening from separating and connection between, Closed control planet carrier (7) and output shaft (10) by it;
The second clutch part (9) open in usual, it is fixedly connected with output shaft (10) with input shaft (3) respectively, and can opening from separating and connection between, Closed control input shaft (3) and output shaft (10) by it.
2. speed changer according to claim 1, is characterized in that: also comprise housing, described gear ring is fixed in housing.
3. speed changer according to claim 1, is characterized in that: described the first clutch part (8) and the second clutch part (9) are normally open clutch.
4. speed changer according to claim 1, it is characterized in that: described the first clutch part (8) and the second clutch part (9) are by a set of tooth hub (11) that comprises, one tooth cover (12), two of apportion tooth hub both sides in conjunction with tooth (13, 14) form of synchronizer realizes, tooth hub (11) and tooth cover (12) form the first clutch part (8) open in usual with the combination tooth (14) of a side, tooth hub and tooth cover form the second clutch part (9) open in usual with the combination tooth (13) of opposite side, tooth hub (11) is fixedly connected with output shaft (10), the combination tooth (14) of the first clutch part is fixedly connected with planet carrier (7), the combination tooth (13) of the second clutch part is fixedly connected with input shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410141168.4A CN103912640A (en) | 2014-04-09 | 2014-04-09 | Automatic two-gear transmission for electric vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410141168.4A CN103912640A (en) | 2014-04-09 | 2014-04-09 | Automatic two-gear transmission for electric vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103912640A true CN103912640A (en) | 2014-07-09 |
Family
ID=51038546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410141168.4A Pending CN103912640A (en) | 2014-04-09 | 2014-04-09 | Automatic two-gear transmission for electric vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103912640A (en) |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595428A (en) * | 2014-12-26 | 2015-05-06 | 北京航空航天大学 | Automatic two-gear transformer for pure electric automobile |
| CN104786815A (en) * | 2015-01-16 | 2015-07-22 | 比亚迪股份有限公司 | Speed changer, power transmission system and vehicle |
| CN104786814A (en) * | 2015-01-16 | 2015-07-22 | 比亚迪股份有限公司 | Transmission, power transmission system and vehicle |
| CN105501057A (en) * | 2016-01-26 | 2016-04-20 | 吉林大学 | Electric driving system based on single-planet-row two-gear transmission |
| CN105620259A (en) * | 2014-11-24 | 2016-06-01 | 舍弗勒技术有限两合公司 | Electric axis driving system with speed change function and motor vehicle |
| US9421966B2 (en) | 2014-10-20 | 2016-08-23 | Byd Company Limited | Hybrid vehicle and shifting control method and power transmission system thereof |
| US9568066B2 (en) | 2014-09-10 | 2017-02-14 | Byd Company Limited | Power transmission system and vehicle comprising the same |
| US9568081B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US9568065B2 (en) | 2014-09-10 | 2017-02-14 | Byd Company Limited | Transmission unit, power transmission system and vehicle comprising the same |
| US9568080B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US9568082B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US9566978B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Vehicle and drive control method for the same |
| CN107020935A (en) * | 2017-06-02 | 2017-08-08 | 吉林大学 | A kind of electric drive axle system and control method based on sliding sleeve manual transmission |
| CN107314087A (en) * | 2017-08-16 | 2017-11-03 | 吉林大学 | A kind of electric drive axle system and its control method based on double-clutch automatic gearbox |
| US9874266B2 (en) | 2014-09-10 | 2018-01-23 | Byd Company Limited | Power transmission system and vehicle comprising the same |
| US9919699B2 (en) | 2014-01-30 | 2018-03-20 | Byd Company Limited | Vehicle and method for controlling synchronizer of the same |
| US9944165B2 (en) | 2014-01-30 | 2018-04-17 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| CN108973647A (en) * | 2017-06-01 | 2018-12-11 | 罗伯特·博世有限公司 | Mixed power coupling device, hybrid electric drive system and hybrid vehicle |
| US10363806B2 (en) | 2014-01-30 | 2019-07-30 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| CN110945267A (en) * | 2017-08-14 | 2020-03-31 | 罗伯特·博世有限公司 | Transmission device |
| US10670123B2 (en) | 2014-01-30 | 2020-06-02 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| CN111746262A (en) * | 2019-03-27 | 2020-10-09 | 舍弗勒技术股份两合公司 | Hybrid transmission |
| WO2024082199A1 (en) * | 2022-10-20 | 2024-04-25 | 宁德时代新能源科技股份有限公司 | Variable-speed transmission apparatus and vehicle |
| WO2024087534A1 (en) * | 2022-10-24 | 2024-05-02 | 浙江吉利控股集团有限公司 | Vehicle speed changing device and method, driving device, and vehicle |
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| CN202872557U (en) * | 2012-11-20 | 2013-04-10 | 合肥工业大学 | Motor and speed changer integrated transmission system for electric automobile |
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Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9568080B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US10670123B2 (en) | 2014-01-30 | 2020-06-02 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US10363806B2 (en) | 2014-01-30 | 2019-07-30 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US9944165B2 (en) | 2014-01-30 | 2018-04-17 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US9919699B2 (en) | 2014-01-30 | 2018-03-20 | Byd Company Limited | Vehicle and method for controlling synchronizer of the same |
| US9566978B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Vehicle and drive control method for the same |
| US9568082B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US9568081B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US9874266B2 (en) | 2014-09-10 | 2018-01-23 | Byd Company Limited | Power transmission system and vehicle comprising the same |
| US9568066B2 (en) | 2014-09-10 | 2017-02-14 | Byd Company Limited | Power transmission system and vehicle comprising the same |
| US9568065B2 (en) | 2014-09-10 | 2017-02-14 | Byd Company Limited | Transmission unit, power transmission system and vehicle comprising the same |
| US9421966B2 (en) | 2014-10-20 | 2016-08-23 | Byd Company Limited | Hybrid vehicle and shifting control method and power transmission system thereof |
| CN105620259A (en) * | 2014-11-24 | 2016-06-01 | 舍弗勒技术有限两合公司 | Electric axis driving system with speed change function and motor vehicle |
| CN105620259B (en) * | 2014-11-24 | 2022-01-25 | 舍弗勒技术有限两合公司 | Electric shaft driving system with speed change function and motor vehicle |
| CN104595428A (en) * | 2014-12-26 | 2015-05-06 | 北京航空航天大学 | Automatic two-gear transformer for pure electric automobile |
| CN104786815A (en) * | 2015-01-16 | 2015-07-22 | 比亚迪股份有限公司 | Speed changer, power transmission system and vehicle |
| US10800248B2 (en) | 2015-01-16 | 2020-10-13 | Byd Company Limited | Transmission unit, power transmission system and vehicle comprising the same |
| CN104786814B (en) * | 2015-01-16 | 2016-04-13 | 比亚迪股份有限公司 | Change-speed box, Power Train are unified vehicle |
| CN104786815B (en) * | 2015-01-16 | 2016-03-30 | 比亚迪股份有限公司 | Change-speed box, Power Train are unified vehicle |
| CN104786814A (en) * | 2015-01-16 | 2015-07-22 | 比亚迪股份有限公司 | Transmission, power transmission system and vehicle |
| CN105501057A (en) * | 2016-01-26 | 2016-04-20 | 吉林大学 | Electric driving system based on single-planet-row two-gear transmission |
| CN105501057B (en) * | 2016-01-26 | 2018-10-16 | 吉林大学 | A kind of power drive system based on single planetary row two-gear transmission |
| CN108973647A (en) * | 2017-06-01 | 2018-12-11 | 罗伯特·博世有限公司 | Mixed power coupling device, hybrid electric drive system and hybrid vehicle |
| CN107020935A (en) * | 2017-06-02 | 2017-08-08 | 吉林大学 | A kind of electric drive axle system and control method based on sliding sleeve manual transmission |
| CN110945267A (en) * | 2017-08-14 | 2020-03-31 | 罗伯特·博世有限公司 | Transmission device |
| CN110945267B (en) * | 2017-08-14 | 2023-03-24 | 罗伯特·博世有限公司 | Transmission device |
| CN107314087A (en) * | 2017-08-16 | 2017-11-03 | 吉林大学 | A kind of electric drive axle system and its control method based on double-clutch automatic gearbox |
| CN111746262A (en) * | 2019-03-27 | 2020-10-09 | 舍弗勒技术股份两合公司 | Hybrid transmission |
| WO2024082199A1 (en) * | 2022-10-20 | 2024-04-25 | 宁德时代新能源科技股份有限公司 | Variable-speed transmission apparatus and vehicle |
| WO2024087534A1 (en) * | 2022-10-24 | 2024-05-02 | 浙江吉利控股集团有限公司 | Vehicle speed changing device and method, driving device, and vehicle |
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Application publication date: 20140709 |