CN201036975Y - Electric vehicle driving mechanism - Google Patents
Electric vehicle driving mechanism Download PDFInfo
- Publication number
- CN201036975Y CN201036975Y CNU2006201750129U CN200620175012U CN201036975Y CN 201036975 Y CN201036975 Y CN 201036975Y CN U2006201750129 U CNU2006201750129 U CN U2006201750129U CN 200620175012 U CN200620175012 U CN 200620175012U CN 201036975 Y CN201036975 Y CN 201036975Y
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- gear
- control
- speed
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- shift
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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
- Y02T10/72—Electric energy management in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A drive mechanism of electric vehicle comprises a motor and a non-reverse-gear transmission; the non-reverse-gear transmission comprises an input shaft, an output shaft, a plurality of sets of threshold gears and a shifting actuating unit; a drive gear of each set of threshold gear is arranged on the input shaft; a driven gear of each set of threshold gears is arranged on the output shaft; the shifting actuating unit is used for receding gear or putting into gear; wherein, the motor is connected with the input shaft of the non-reverse-gear transmission; the drive mechanism also comprises a control device which is in electric connection with the motor and the shifting actuating unit in order to control power in-off of the motor, the high and low degrees and the positive and negative directions of voltage input by the motor, and the shifting actuating unit to recede gear or put into gear. The drive mechanism can not only achieve gear shift and speed change simply and conveniently, thereby greatly improving the running speed of vehicle; as a clutch is saved, the whole mechanism has simple spatial arrangement and light weight, and avoids power loss in the process of power transmission.
Description
Technical field
The utility model relates to elec. vehicle, more particularly, relates to a kind of motor vehicle drive agency.
Background technology
At present, people's pay attention to day by day is to the protection of environment and the effective and reasonable use of the energy.Therefore, electronlmobils efficient, energy-saving and environmental protection become the development tendency of auto trade gradually.Traditional electronlmobil is because electrical motor itself can speed governing, and can start by bringing onto load, thus need not to be provided with a plurality of gears, thus need not to be provided with power-transfer clutch.But if want to allow this conventional electric automobile at high speed travel, electrical motor must have very high rotating speed so, yet the characteristic of electrical motor is to be permanent power output in high speed conditions factory, so the moment of torsion that this moment, electrical motor can provide is very limited.Therefore, this traditional electronlmobil can only rely on electrical motor to adjust the speed of a motor vehicle, and the speed of a motor vehicle is subjected to very big restriction, can't run at high speed.
A kind of miniature battery sedan car is disclosed among the CN2461806Y, as shown in Figure 1, the driver train of this battery sedan car mainly comprise electrical motor 1, the regulex 2 that links to each other with electrical motor 1, the change-speed box 3 that is provided with a plurality of gears and be connected electrical motor 1 and change-speed box 3 between power-transfer clutch 4.Under common driving conditions,, can adjust the moving velocity of vehicle by regulating regulex 2.Have a lot of social connections well when needing to accelerate moving velocity and hold sway, then can change gear, thereby improve the speed of a motor vehicle by power-transfer clutch 4 and change-speed box 3.
But the shortcoming of this kind driver train is, must link to each other by power-transfer clutch between electrical motor and the change-speed box, therefore, has not only taken the space, has increased the weight of entire mechanism, and can cause loss in efficiency in power transmission process.
The utility model content
The purpose of this utility model provides and a kind ofly not only can realize shift speed change, and simple, the lightweight motor vehicle drive agency of spatial destribution.
The motor vehicle drive agency that the utility model provides comprises electrical motor and the nothing change-speed box that reverses gear, the described nothing change-speed box that reverses gear comprises input shaft, output shaft, many group shift gears, and gearshift executive device, each is organized shift gear and comprises intermeshing driving gear and driven gear respectively, each driving gear of organizing shift gear is assemblied on the input shaft, each driven gear of organizing shift gear is assemblied on the output shaft, the gearshift executive device is used for keeping off or putting into gear by shift gear being closed with input shaft or output shaft deallocation or cooperating to move back, wherein, the reverse gear input shaft of change-speed box of described electrical motor and nothing links to each other, and described driver train also comprises control setup, described control setup is electrically connected with electrical motor and gearshift executive device, be used for the size of input voltage of the power on/off at control motor and electrical motor and forward and reverse, and control gearshift executive device carries out describedly moving back retaining or putting into gear.
The motor vehicle drive agency that the utility model provides not only can be realized shift speed change simply and easily, thereby significantly improve Vehicle Speed, and owing to saved power-transfer clutch, therefore the spatial destribution of entire mechanism is simple, in light weight, has avoided simultaneously in the power transmission process because of the loss in efficiency that power-transfer clutch causes is set between electrical motor and change-speed box.
Description of drawings
Fig. 1 is the structural representation of disclosed miniature battery sedan car among the CN2461806Y;
The structural representation sketch of the mechanics of the motor vehicle drive agency that provides of expression the utility model is provided Fig. 2;
The block scheme of the control part of the motor vehicle drive agency that provides of expression the utility model is provided Fig. 3;
The motor vehicle drive agency that Fig. 4 provides for the utility model carries out the workflow diagram of shift speed change.
The specific embodiment
Below, in conjunction with the accompanying drawings, the utility model is described in detail.
Shown in Fig. 2 and 3, the motor vehicle drive agency that the utility model provides comprises electrical motor 5 and the nothing change-speed box that reverses gear.Described nothing reverse gear change-speed box structure for those skilled in the art known, as adopting twin-shaft transmission or triple axle change-speed box, at this is example with the twin-shaft transmission, and it mainly comprises input shaft 6, output shaft 7, organizes shift gear 8 and gearshift executive device 9 more.Each is organized shift gear 8 and comprises intermeshing driving gear 13 and driven gear 14 respectively, and each driving gear 13 of organizing shift gear 8 is assemblied on the input shaft 6, and each driven gear 14 of organizing shift gear 8 is assemblied on the output shaft 7.Described gearshift executive device 9 be used for by shift gear is closed with input shaft or output shaft deallocation or cooperate move back the retaining or put into gear, its structure, connection mode and principle of work are that those skilled in the art are known, as raised path between farm fields to realize by various synchros.
Wherein, described electrical motor 5 and nothing are reversed gear and be need not to connect power-transfer clutch between the change-speed box, electrical motor and nothing are reversed gear can be by various connection mode direct connections well known in the art between the change-speed box, as the reverse gear input shaft 6 of change-speed box of motor reel and nothing being linked to each other by coupler, spline etc., thereby make that whole driver train spatial destribution is simple, in light weight, also avoided in the power transmission process because of the loss in efficiency that power-transfer clutch causes is set between electrical motor and change-speed box simultaneously.
And, described motor vehicle drive agency also comprises control setup 10, described control setup 10 is electrically connected with electrical motor 5 and gearshift executive device 9, be used for the size of input voltage of the power on/off at control motor 5 and electrical motor 5 and forward and reverse, and control gearshift executive device 9 carries out describedly moving back retaining or putting into gear.
Under the preferable case, described driver train also comprises shift gear speed detecting unit 15 and transmission output speed detecting device 16.Described shift gear speed detecting unit 15 is electrically connected with control setup 10, is used to detect the rotating speed of the driven gear 14 of respectively organizing shift gear 8 and testing result is sent to control setup 10.Described shift gear speed detecting unit 15 can be installed on the position of any driven gear rotating speed that can detect each shift gear, as is installed in the mission case, and can install a plurality of according to the quantity of shift gear.Described transmission output speed detecting device 16 is electrically connected with control setup 10, is used to detect the rotating speed of transmission output shaft 7 and testing result is sent to control setup 10.Described transmission output speed detecting device 16 can be installed on any position that can detect transmission output speed, as is installed in the mission case.Described control setup 10 receives the testing result that is sent by shift gear speed detecting unit 15 and transmission output speed detecting device 16, and whether the difference between the rotating speed of the rotating speed of the driven gear 14 of definite purpose gear and transmission output shaft 7 is in desired speed difference scope, when in this scope, control setup 10 control gearshift executive devices 9 are put into gear.
Under the preferable case, described control setup 10 comprises: signal processing unit 11, described signal processing unit 11 and shift gear speed detecting unit 15, transmission output speed detecting device 16, and control unit 12 is electrically connected, be used for sending the size of input voltage of the power on/off at control motor 5 and electrical motor 5 and forward and reverse control command to control unit 12, the testing result that reception is sent by shift gear speed detecting unit 15 and transmission output speed detecting device 16, determine difference between the rotating speed of the rotating speed of driven gear 14 of purpose gear and transmission output shaft 7 whether in described desired speed difference scope, and send the control command that control gearshift executive device 9 moves back retaining or puts into gear to control unit 12; And control unit 12, described control unit 12 is electrically connected with electrical motor 5, gearshift executive device 9 and signal processing unit 11, be used for the control command that received signal receives processing unit 11, the size of the input voltage of the power on/off at control motor 5 and electrical motor 5 and forward and reverse, and control gearshift executive device 9 moves back retaining or puts into gear.
Under the preferable case, described driver train also comprises gear detecting device 17, described gear detecting device 17 is electrically connected with the signal processing unit 11 of control setup 10, be used to detect the gear positions at gearshift executive device 9 places, and testing result is sent to signal processing unit 11, described signal processing unit 11 receives the testing result that is sent by gear detecting device 17, and determines the gear positions at gearshift executive device 9 places.
As shown in Figure 4, the shift speed change method of the motor vehicle drive agency that provides of the utility model may further comprise the steps:
A) in the signal processing unit 11 of control setup 10, preestablish the gearshift speed of a motor vehicle and the desired speed difference scope of each gear.
B) respectively organize the rotating speed of the driven gear 14 of shift gear 8 by the shift gear speed detecting unit 15 real-time detections that are electrically connected with the signal processing unit 11 of control setup 10, and testing result is sent to the signal processing unit 11 of control setup 10.Simultaneously, detect the rotating speed of transmission output shaft 7 in real time, and testing result is sent to the signal processing unit 11 of control setup 10 by the transmission output speed detecting device 16 that is electrically connected with the signal processing unit 11 of control setup 10.And, detect current vehicle speed in real time by the vehicle speed detector device that is electrically connected with the signal processing unit 11 of control setup 10, and testing result is sent to the signal processing unit 11 of control setup 10.Wherein, described vehicle speed detector device can be installed on any position that can detect Vehicle Speed.
C) signal processing unit 11 of control setup 10 compares the speed of a motor vehicle testing result that receives and the gearshift speed of a motor vehicle of predefined current shift, judges whether current vehicle speed equals the gearshift speed of a motor vehicle of current shift.When current vehicle speed reached the gearshift speed of a motor vehicle of current shift, signal processing unit 11 sent the control command of control motor 5 outages to control unit 12.Control unit 12 receives this control command, thus control motor 5 outages.When current vehicle speed is not equal to the gearshift speed of a motor vehicle of current shift, repeat to judge.
D) when electrical motor 5 outages, the signal processing unit 11 of control setup 10 sends the control command that control gearshift executive device 9 moves back retaining to control unit 12.Control unit 12 receives this control command, thereby control gearshift executive device 9 withdraws from current shift.
E) signal processing unit 11 of control setup 10 sends the control command of control motor 5 energisings to control unit 12.Control unit 12 receives this control command, thus control motor 5 energisings.
F) signal processing unit 11 of control setup 10 sends the control command of the size of the input voltage of adjusting electrical motor 5 to control unit 12, with the rotating speed of the driven gear 14 of adjusting shift gear 8.
G) signal processing unit 11 of control setup 10 receives the testing result that is sent by shift gear speed detecting unit 15 and transmission output speed detecting device 16, the rotating speed of the driven gear 14 of purpose gear and the rotating speed of transmission output shaft 7 are compared, draw both differences, and judge that the driven gear rotating speed of purpose gear and the difference between the transmission output speed are whether in described desired speed difference scope.When both difference was in described desired speed difference scope, signal processing unit 11 sent the control command of control motor 5 outages to control unit 12.Control unit 12 receives this control command, thus control motor 5 outages.When both difference is not in described desired speed difference scope, return execution in step f) readjust the size of the input voltage of electrical motor 5.
H) when electrical motor 5 outages, the signal processing unit 11 of control setup 10 sends the control command that control gearshift executive device 9 is put into gear to control unit 12.Control unit 12 receives this control command, thereby control gearshift executive device 9 hangs up the purpose gear.And
I) signal processing unit 11 of control setup 10 sends control motor 5 energisings to control unit 12, and the control command of the input voltage size at control motor 5.Control unit 12 receives this control command, and control motor 5 switches on, and controls the size of input voltage simultaneously, thereby finishes the shift speed change process one time.Wherein, the input voltage by control motor 5 forward and reverse can control vehicle advances or falls back.That is to say that when the needs vehicle advanced, control applied forward voltage for electrical motor 5.And when needs were moveed backward, then control gearshift executive device 9 hung up a retaining, and control is simultaneously applied reverse voltage for electrical motor 5 and gets final product.
Under the preferable case, described method also is included in described step d) and e) between step j): detect the gear positions at gearshift executive devices 9 places by the gear detecting device that is electrically connected with the signal processing unit 11 of control setup 10 17, and testing result be sent to the signal processing unit 11 of control setup 10.Signal processing unit 11 receives the testing result that is sent by gear detecting device 17, and determines the gear positions at gearshift executive device 9 places.When signal processing unit 11 determined that gearshift executive device 9 is positioned at neutral gear position, signal processing unit 11 sent the control command of control motor 5 energisings to control unit 12.
Under the preferable case, described method also is included in described step h) and i) between step k): detect the gear positions at gearshift executive devices 9 places by the gear detecting device that is electrically connected with the signal processing unit 11 of control setup 10 17, and testing result be sent to the signal processing unit 11 of control setup 10.Signal processing unit 11 receives the testing result that is sent by gear detecting device 17, and determines the gear positions at gearshift executive device 9 places.When signal processing unit 11 determined that gearshift executive device 9 is positioned at the purpose gear positions, signal processing unit 11 sent the control command of the input voltage size at control motor 5 energisings and control motor 5 to control unit 12.
Below, accelerating to 2 retainings with elec. vehicle from Parking is example, and principle of work of the present utility model is described.When Parking, gear is a neutral.When vehicle will be started to walk, control setup control gearshift executive device pushed 1 retaining with gear, and the voltage of control input motor increases motor torque increasing, vehicle gentle start gradually.Along with voltage increases, the rotating speed of electrical motor increases, and the speed of a motor vehicle is accelerated gradually.When the speed of a motor vehicle reaches the 1 retaining gearshift speed of a motor vehicle, the outage of control setup control motor, and control gearshift executive device withdraws from 1 retaining.When moving back after retaining action finishes, control setup determines that according to the testing result that is sent by the gear detecting device that is received current shift is a neutral.At this moment, control setup control motor energising, and adjust the input voltage of electrical motor is with the rotating speed of the driven gear of adjusting shift gear.When control setup determines that according to the testing result that is sent by shift gear speed detecting unit and transmission output speed detecting device that is received the rotating speed of the rotating speed of 2 retaining driven gears and transmission output shaft has reached unanimity, the outage of control setup control motor, and control gearshift executive device hangs up 2 retainings.Because this moments 2, the rotating speed of retaining driven gear and transmission output shaft was synchronous, therefore can easily change to 2 retainings.When control setup determines that according to the testing result by the transmission of gear detecting device that is received current shift is 2 retainings, the energising of control setup control motor, thus realize the upshift speed-raising.
When the needs downshift, operating process and upshift are similar, the Therefore, omited explanation.And when needs are moveed backward, control setup will be controlled the gearshift executive device and hang up 1 retaining from neutral, and the control motor voltage reversal applies simultaneously, so that the electrical motor counter-rotating therefore along with moment of torsion strengthens gradually, just can realize reversing.
Claims (5)
1. motor vehicle drive agency, comprise electrical motor and the nothing change-speed box that reverses gear, the described nothing change-speed box that reverses gear comprises input shaft, output shaft, many group shift gears, and gearshift executive device, each is organized shift gear and comprises intermeshing driving gear and driven gear respectively, each driving gear of organizing shift gear is assemblied on the input shaft, each driven gear of organizing shift gear is assemblied on the output shaft, the gearshift executive device is used for keeping off or putting into gear by shift gear being closed with input shaft or output shaft deallocation or cooperating to move back, it is characterized in that
The reverse gear input shaft of change-speed box of described electrical motor and nothing links to each other, and
Described driver train also comprises control setup, described control setup is electrically connected with electrical motor and gearshift executive device, be used for the size of input voltage of the power on/off at control motor and electrical motor and forward and reverse, and control gearshift executive device carries out describedly moving back retaining or putting into gear.
2. motor vehicle drive agency according to claim 1 is characterized in that, described electrical motor is connected by coupler or spline with the input shaft of change-speed box.
3. motor vehicle drive agency according to claim 1 is characterized in that, described driver train also comprises:
The shift gear speed detecting unit is electrically connected with described control setup, is used to detect the rotating speed of the driven gear of respectively organizing shift gear and testing result is sent to control setup; With
The transmission output speed detecting device is electrically connected with described control setup, is used to detect the rotating speed of transmission output shaft and testing result is sent to control setup;
Wherein, described control setup receives the testing result that is sent by shift gear speed detecting unit and transmission output speed detecting device, and whether the driven gear rotating speed of definite purpose gear and the difference between the transmission output speed in desired speed difference scope, thereby control gearshift executive device is put into gear.
4. motor vehicle drive agency according to claim 3 is characterized in that, described control setup comprises:
Signal processing unit, with the shift gear speed detecting unit, the transmission output speed detecting device, and control unit is electrically connected, be used for sending the size of input voltage of the power on/off at control motor and electrical motor and forward and reverse control command to control unit, the testing result that reception is sent by shift gear speed detecting unit and transmission output speed detecting device, determine that the driven gear rotating speed of purpose gear and the difference between the transmission output speed whether in described desired speed difference scope, send the control command that control gearshift executive device moves back retaining or puts into gear to control unit thus; With
Control unit, be electrically connected with electrical motor, gearshift executive device and signal processing unit, be used for the control command that received signal receives processing unit, the size of the power on/off at control motor and the input voltage of electrical motor and forward and reverse, and control gearshift executive device moves back retaining or puts into gear.
5. motor vehicle drive agency according to claim 4, it is characterized in that, described driver train also comprises the gear detecting device, be electrically connected with the signal processing unit of control setup, be used to detect the gear positions at gearshift executive device place, and testing result is sent to signal processing unit, described signal processing unit receives the testing result that is sent by the gear detecting device, and determines the gear positions at gearshift executive device place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201750129U CN201036975Y (en) | 2006-12-19 | 2006-12-19 | Electric vehicle driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201750129U CN201036975Y (en) | 2006-12-19 | 2006-12-19 | Electric vehicle driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201036975Y true CN201036975Y (en) | 2008-03-19 |
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ID=39209486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201750129U Expired - Lifetime CN201036975Y (en) | 2006-12-19 | 2006-12-19 | Electric vehicle driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201036975Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012037901A1 (en) * | 2010-09-26 | 2012-03-29 | Byd Company Limited | Driving system of electric vehicle |
| TWI494232B (en) * | 2011-08-05 | 2015-08-01 | Byd Co Ltd | Drive system and electric vehicle having the same |
-
2006
- 2006-12-19 CN CNU2006201750129U patent/CN201036975Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012037901A1 (en) * | 2010-09-26 | 2012-03-29 | Byd Company Limited | Driving system of electric vehicle |
| TWI494232B (en) * | 2011-08-05 | 2015-08-01 | Byd Co Ltd | Drive system and electric vehicle having the same |
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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: 20080319 |
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| EXPY | Termination of patent right or utility model |