CN201925421U - Dual-clutch automatic transmission of electric vehicle - Google Patents
Dual-clutch automatic transmission of electric vehicle Download PDFInfo
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- CN201925421U CN201925421U CN2011200235526U CN201120023552U CN201925421U CN 201925421 U CN201925421 U CN 201925421U CN 2011200235526 U CN2011200235526 U CN 2011200235526U CN 201120023552 U CN201120023552 U CN 201120023552U CN 201925421 U CN201925421 U CN 201925421U
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Abstract
The utility model provides a dual-clutch automatic transmission of an electric vehicle, which comprises a double clutch, a low-speed gear set, a high-speed gear set and a power output shaft, wherein the power of a motor of the electric vehicle is transmitted to the low-speed gear set or the high-speed gear set through the double clutch and output through the power output shaft; the dual-clutch automatic transmission of the electric vehicle further comprises a tortional vibration damper and an electric actuating mechanism; the tortional vibration damper is installed on a driven disc of the double clutch; and the output terminal of the electric actuating mechanism is connected with a release bearing of the double clutch. In the dual-clutch automatic transmission of the electric vehicle, the resonance phenomenon in the transmission system can be effectively avoided through the tortional vibration damper, the common operating range of the motor is transferred out during the resonance, and the impact on the motor is cushioned; and meanwhile, the torsional vibration phenomenon can be reduced and even eliminated, so that the motor is protected.
Description
Technical field
The utility model relates to a kind of double-clutch automatic gearbox of electric vehicle.
Background technique
Along with the attention of entire society to environment and energy problem, electric vehicle earns widespread respect as the green traffic instrument.
The original intention of existing double clutch technology is impact and the power interruption that reduces in the gearshift procedure, thereby reaches the target that improves fuel economy and travelling comfort.Existing double clutch does not possess the function of neutral gear, can not realize the function of gear shift by double clutch, and existing double clutch all is to develop at internal-combustion engines vehicle.
Inventor of the present utility model is combined in double clutch on the electric vehicle, obtains the double-clutch automatic gearbox of electric vehicle, realizes gear shift by double clutch.
Yet, in the running of electric vehicle, how to prevent transmission system resonance, be the protection speed changer motor, improve an electric vehicle importance in working life.
The model utility content
The utility model proposes a kind of double-clutch automatic gearbox of electric vehicle, effectively prevent resonance, relax and impact.
The utility model proposes a kind of double-clutch automatic gearbox of electric vehicle, comprise double clutch, low speed gear group, high gear group and pto, the power of the motor of described electric vehicle is transported to described low speed gear group or described high gear group by described double clutch, and by described pto output, the double-clutch automatic gearbox of described electric vehicle also comprises: torsional vibration damper, described torsional vibration damper are installed on the driven disc of described double clutch; And electric actuating mechanism, the output terminal of described electric actuating mechanism links to each other with the release bearing of described double clutch.
Further, described electric actuating mechanism comprises and actuates motor, electromagnetic lock locking apparatus, input gear and driving component; Wherein, described driving component is the tooth sector of band handle, the tooth sector of described band handle comprises shank and sector part, the excircle of described sector part is provided with the flank of tooth, be formed with tooth on the described flank of tooth, described shank extends to form along the direction away from the flank of tooth from a side relative with the described flank of tooth of described sector part, and described shank has groove away from an end of the flank of tooth in the side, and the output shaft of the respective clutch actuator of described double clutch is nested in the groove of described shank; The fixed end of described electromagnetic lock locking apparatus is fixed on described actuating on the motor, and the mobile terminal of described electromagnetic lock locking apparatus is connected with described output shaft of actuating motor; Described output shaft of actuating motor passes the axle center of described input gear; The tooth of described input gear and the engagement of the tooth of described driving component.
Adopt the double-clutch automatic gearbox of electric vehicle of the present utility model, torsional vibration damper can effectively prevent transmission system resonance, makes resonant transfer go out the operating range commonly used of motor, relaxes the impact to motor; Simultaneously can also reduce even eliminate torsional vibration, thus the protection motor.
Description of drawings
Fig. 1 is the structural representation of the double-clutch automatic gearbox of electric vehicle among the utility model embodiment;
Fig. 2 is the structural representation of an electric actuating mechanism among Fig. 1;
Fig. 3 is along the partial sectional view of A-A line among Fig. 2.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
The utility model provides a kind of double-clutch automatic gearbox of electric vehicle, comprise double clutch, low speed gear group, high gear group, pto, torsional vibration damper and electric actuating mechanism, the power of the motor of electric vehicle optionally is transported to low speed gear group or high gear group by double clutch, and by pto output, torsional vibration damper is installed on the driven disc of double clutch; The output terminal of electricity actuating mechanism links to each other with the release bearing of double clutch.
As power source, the torsional vibration damper that is installed in the double clutch can effectively prevent transmission system resonance to electric vehicle, makes resonant transfer go out the operating range commonly used of motor, relaxes the impact to motor with motor; Simultaneously can also reduce even eliminate torsional vibration, thus the protection motor.
The Separating force of double clutch is from electric actuating mechanism, thereby realizes the function of automaitc shfit by controlling electric actuating mechanism.
Below in conjunction with specific embodiment the technical solution of the utility model is described.
Referring to Fig. 1, in the present embodiment, a kind of double-clutch automatic gearbox of electric vehicle comprises double clutch 3, low speed gear group 4, high gear group 5, pto 6, torsional vibration damper 7 and electric actuating mechanism 8.
In the present embodiment, the power of the motor 1 of electric vehicle directly inputs to double clutch 3 by motor output shaft 2, perhaps by other driving mechanisms for example reduction gear input to double clutch 3.Adopt the double-clutch automatic gearbox of the electric vehicle of present embodiment, can realize the control of two forward gearss, a reverse gear and a neutral gear.In the present embodiment, double clutch adopts two independent dry clutches respectively, and identical principle also can adopt two independent wet clutches respectively.Low speed gear group and high gear group have different drive ratios.The separation that not shown control system is judged the switching of gear as the case may be and the dynamic Control double clutch is provided with engage.
Wherein, double clutch 3 comprises clutch active part 31, first clutch driven disc 32, second clutch driven disc 33, thin bar 34, fixedlys connected primary diaphragm spring 35, secondary diaphragm spring 36, first clutch actuator 37, second clutch actuator 38, first clutch release bearing 39, second clutch release bearing 40, first transmission input shaft 41 and second transmission input shaft 42 that for example welds together with bar 34 carefully.
Referring to Fig. 1, the driving gear 91 of low speed gear group 4 and first clutch driven disc 32 are arranged on first transmission input shaft 41, wherein the driving gear 91 of low speed gear group 4 is fixedlyed connected with first transmission input shaft 41, and first clutch driven disc 32 is connected by spline with first transmission input shaft 41.
The driving gear 93 of high gear group 5 and second clutch driven disc 33 are arranged on second transmission input shaft 42, wherein the driving gear 93 of high gear group 5 is fixedlyed connected with second transmission input shaft 42, and second clutch driven disc 33 is connected by spline with second transmission input shaft 42.
First clutch driven disc 32, second clutch driven disc 33 can move axially along first transmission input shaft 41, second transmission input shaft 42 respectively.The driven gear 92,94 of low speed gear group 4, high gear group 5 is fixedlyed connected with pto 6 respectively.Spielpassung between first clutch release bearing 39 and the second clutch release bearing 40.
Second transmission input shaft 42 is a quill shaft, and its mode with Spielpassung is enclosed within first transmission input shaft, 41 outer surfaces.Thus, the motion between first transmission input shaft 41 and second transmission input shaft 42 is separate.
The structure of the electric actuating mechanism of double clutch is similar to working principle, in the present embodiment, is that example describes with one of them electric actuating mechanism only.Referring to Fig. 2 and Fig. 3, electric actuating mechanism 8 comprises actuates motor 81, electromagnetic lock locking apparatus 82, input gear 83 and driving component 84.
The driving component 84 of electricity actuating mechanism 8 is the tooth sector of band handle, the tooth sector of band handle comprises shank 841 and sector part 842, the excircle of sector part 842 is provided with the flank of tooth, be formed with tooth on the flank of tooth, shank 841 extends to form along the direction away from the flank of tooth from a side relative with the flank of tooth of sector part 842, and shank 841 has groove away from an end of the flank of tooth in the side; The output shaft of the respective clutch actuator of double clutch (first clutch actuator 37 or second clutch actuator 38) is nested in the groove of shank 841, make by the swing of driving component 84, the rotation of input gear 83 is converted to the translation (i.e. moving along left and right directions among the figure) of the output shaft of clutch actuator.
The fixed end 821 of electromagnetic lock locking apparatus 82 is fixed on actuates on the motor 81, and the mobile terminal 822 of electromagnetic lock locking apparatus 82 is connected with the output shaft 811 of actuating motor 81.The output shaft 811 of actuating motor 81 passes the axle center of input gear 83; The tooth engagement of the tooth of input gear 83 and driving component 84.
The double-clutch automatic gearbox working principle of the electric vehicle of employing present embodiment is as follows:
When vehicle is in vehicle stop state, the first clutch driven disc 32 that is used for bottom gear is in jointing state with clutch active part 31, the second clutch driven disc 33 that is used for top gear simultaneously also is in jointing state with clutch active part 31, vehicle transmission system was in self-locking and can't travels because gearbox has two velocity ratios simultaneously this moment.So before vehicle launch second clutch driven disc 33 is separated with clutch active part 31, detailed process is as follows.
After electric vehicle started, the first clutch driven disc 32 that is used for bottom gear still was in jointing state with clutch active part 31; Simultaneously, control system control motor 1 provides and is used as power, making second clutch actuator 38 promote second release bearing 40 moves to left, the lower end of second release bearing, 40 extruding secondary diaphragm springs 36, the upper end of secondary diaphragm spring 36 moves to right, thereby second clutch driven disc 33 is released, makes second clutch driven disc 33 separate with clutch active part 31.
When vehicle is started to walk with bottom gear, the first clutch driven disc 32 that is used for bottom gear still is in jointing state with clutch active part 31, second clutch driven disc 33 has been finished under the control of control system with clutch active part 31 and has been separated, power is passed to low speed gear group 4 by first transmission input shaft 41, and by pto 6 outputs, vehicle begins with the bottom gear operation, and this moment, power transmission line was: clutch active part 31 → first clutch driven disc 32 → the first transmission input shafts 41 → low speed gear group 4 → pto 6.
When vehicle when bottom gear moves, because of the second clutch driven disc 33 that is used for top gear is in the state that separates with clutch active part 31, not transferring power.When vehicle quickens, when reaching the shift point near top gear (position of shift point is to determine by the rule of Economy and power character), control system is handled first clutch actuator 37 makes first release bearing 39 to left movement, the lower end of first release bearing, 39 extruding primary diaphragm springs 35, the upper end of primary diaphragm spring 35 moves to right, because thin bar 34 is fixed together with the upper end of primary diaphragm spring 35, therefore thin bar 34 moves with the upper end of primary diaphragm spring 35, thereby first clutch driven disc 32 is released, makes first clutch driven disc 32 separate with clutch active part 31.After finishing separation, control system control motor 1 provides and is used as power, making second clutch actuator 38 promote second release bearing 40 moves to right, the extruding force that second release bearing 40 discharges the lower end of secondary diaphragm spring 36, the upper end of secondary diaphragm spring 36 moves to left, second clutch driven disc 33 is produced impacting force, make second clutch driven disc 33 engage with clutch active part 31, power is passed to high gear group 5 by second transmission input shaft 42, and by pto 6 outputs, vehicle begins with the top gear operation, and this moment, power transmission line was: clutch active part 31 → second clutch driven disc 33 → the second transmission input shafts 42 → high gear group 5 → pto 6.
If vehicle deceleration, then control system can change to bottom gear according to the relevant sensor signals judgement, it is similar that its process and bottom gear change to top gear, and what promptly control system control motor was finished the second clutch driven disc 33 that is used for top gear and clutch active part 31 separates and be used for the first clutch driven disc 32 of bottom gear and engaging of clutch active part 31.
When vehicle was hung neutral gear, the second clutch driven disc 33 that control system is used in top gear separated with clutch active part 31 and the first clutch driven disc 32 that is used for bottom gear separates with clutch active part 31, does not have power output.
When vehicle is hung reverse gear, directly can finish by the motor counter-rotating, this moment, the first clutch driven disc 32 that electric vehicle is used for bottom gear engaged with clutch active part 31, moves backward with bottom gear under the control of control system.
Because the characteristic of electric vehicle, i.e. the speed-regulating function of motor, this double-clutch automatic gearbox can satisfy the demands.Though have only four gears, by the control motor speed, can realize swimmingly fast that acceleration and deceleration increase square, so no matter be to quicken or climbing, can both tackle freely.Simultaneously, can make motor be operated in efficient district as far as possible, greatly reduce energy consumption, improve Economy.
Below with regard to have two forward gearss (low speed, at a high speed), neutral gear, reverse gear the example of totally four gear speed changers the technical solution of the utility model principle has been described; can realize fully that by this design more electric automobile gear device gear or distortion are provided with, and all belong to protection domain of the present utility model.
Introduce the working principle of electric actuating mechanism below.With reference to Fig. 2, Fig. 3, when control system is sent instruction when making electric actuating mechanism move the controlled clutch actuator, actuating motor 81 begins to rotate, the fixed end 821 and the mobile terminal 822 of electromagnetic lock locking apparatus 82 are in separated state, actuate motor output shaft 811 rotations thereby drive, drive input gear 83 and rotate, drive clutch actuator 37 or 38 by a series of simple and mechanical transmissions (input gear 83 → driving component 84 → clutch actuator 37 or 38) and move.After the execution of clutch actuator, control system is sent instruction makes 82 energisings of electromagnetic lock locking apparatus produce magnetic field, the mobile terminal 822 of electromagnetic lock locking apparatus 82 is fixed and holds 821 to hold, input gear 83 stops operating, and the second clutch driven disc 33 that is used for top gear and the separation process of clutch active part 31 or the first clutch driven disc 32 that is used for bottom gear are finished with the separation process of clutch active part 31.When switching gear, such as changing to top gear from bottom gear, first clutch actuator 37 is finished separation by as above step.Corresponding, in the electric actuating mechanism of second clutch actuator 38, under the instruction of control system, the fixed end 821 of electromagnetic lock locking apparatus 82 separates with mobile terminal 822 outages, actuate motor 81 and also stop operating, second clutch actuator 38 is got back to initial position under the restoring force effect of secondary diaphragm spring 36, and second clutch driven disc 33 engages with clutch active part 31, finish clutch's jointing process, other situation in like manner.
Although abovely describe the utility model in detail, to those skilled in the art, under the teaching of this paper, can make various modifications and distortion, and not break away from essence of the present utility model and scope the utility model with reference to embodiment.
Claims (2)
1. the double-clutch automatic gearbox of an electric vehicle, comprise double clutch, low speed gear group, high gear group and pto, the power of the motor of described electric vehicle is transported to described low speed gear group or described high gear group by described double clutch, and by described pto output
It is characterized in that the double-clutch automatic gearbox of described electric vehicle also comprises:
Torsional vibration damper, described torsional vibration damper are installed on the driven disc of described double clutch; And
The electricity actuating mechanism, the output terminal of described electric actuating mechanism links to each other with the release bearing of described double clutch.
2. the double-clutch automatic gearbox of electric vehicle according to claim 1 is characterized in that, described electric actuating mechanism comprises actuates motor, electromagnetic lock locking apparatus, input gear and driving component; Wherein,
Described driving component is the tooth sector of band handle, the tooth sector of described band handle comprises shank and sector part, the excircle of described sector part is provided with the flank of tooth, be formed with tooth on the described flank of tooth, described shank extends to form along the direction away from the flank of tooth from a side relative with the described flank of tooth of described sector part, and described shank has groove away from an end of the flank of tooth in the side; The output shaft of the respective clutch actuator of described double clutch is nested in the groove of described shank;
The fixed end of described electromagnetic lock locking apparatus is fixed on described actuating on the motor, and the mobile terminal of described electromagnetic lock locking apparatus is connected with described output shaft of actuating motor;
Described output shaft of actuating motor passes the axle center of described input gear;
The tooth of described input gear and the engagement of the tooth of described driving component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200235526U CN201925421U (en) | 2011-01-25 | 2011-01-25 | Dual-clutch automatic transmission of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200235526U CN201925421U (en) | 2011-01-25 | 2011-01-25 | Dual-clutch automatic transmission of electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN201925421U true CN201925421U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200235526U Expired - Fee Related CN201925421U (en) | 2011-01-25 | 2011-01-25 | Dual-clutch automatic transmission of electric vehicle |
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| CN (1) | CN201925421U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588527A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic transmission for electric vehicles |
| CN103032526A (en) * | 2012-12-19 | 2013-04-10 | 冯关华 | Two-speed dual clutch transmission drive unit for pure electric vehicle |
| CN103104661A (en) * | 2012-10-15 | 2013-05-15 | 刘培生 | Automatic power speed changer |
| CN103122992A (en) * | 2013-02-16 | 2013-05-29 | 河南速达电动汽车科技有限公司 | Electric vehicle automatic shift variable speed drive system |
| CN103204059A (en) * | 2012-01-16 | 2013-07-17 | 同济大学 | Wheel-rim electric driving system of electric car |
| CN105240419A (en) * | 2015-10-13 | 2016-01-13 | 柳超 | Three-shaft compact clutch |
| CN106015500A (en) * | 2016-08-08 | 2016-10-12 | 吉孚动力技术(中国)有限公司 | Automatic gearbox for electric vehicle |
| CN107839459A (en) * | 2017-11-02 | 2018-03-27 | 奇瑞汽车股份有限公司 | Transmission system and electric automobile for electric automobile |
-
2011
- 2011-01-25 CN CN2011200235526U patent/CN201925421U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204059A (en) * | 2012-01-16 | 2013-07-17 | 同济大学 | Wheel-rim electric driving system of electric car |
| CN103204059B (en) * | 2012-01-16 | 2015-10-28 | 同济大学 | A kind of electric wheel limit power drive system |
| CN102588527A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic transmission for electric vehicles |
| CN103104661A (en) * | 2012-10-15 | 2013-05-15 | 刘培生 | Automatic power speed changer |
| CN103032526A (en) * | 2012-12-19 | 2013-04-10 | 冯关华 | Two-speed dual clutch transmission drive unit for pure electric vehicle |
| CN103122992A (en) * | 2013-02-16 | 2013-05-29 | 河南速达电动汽车科技有限公司 | Electric vehicle automatic shift variable speed drive system |
| CN105240419A (en) * | 2015-10-13 | 2016-01-13 | 柳超 | Three-shaft compact clutch |
| CN106015500A (en) * | 2016-08-08 | 2016-10-12 | 吉孚动力技术(中国)有限公司 | Automatic gearbox for electric vehicle |
| CN107839459A (en) * | 2017-11-02 | 2018-03-27 | 奇瑞汽车股份有限公司 | Transmission system and electric automobile for electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20140125 |