CN2875938Y - Full automatic two axle uncontinuous speed change device of electrically driven vehicle - Google Patents
Full automatic two axle uncontinuous speed change device of electrically driven vehicle Download PDFInfo
- Publication number
- CN2875938Y CN2875938Y CNU2005201233626U CN200520123362U CN2875938Y CN 2875938 Y CN2875938 Y CN 2875938Y CN U2005201233626 U CNU2005201233626 U CN U2005201233626U CN 200520123362 U CN200520123362 U CN 200520123362U CN 2875938 Y CN2875938 Y CN 2875938Y
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- CN
- China
- Prior art keywords
- low speed
- gear
- speed gear
- transfer clutch
- speed
- 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.)
- Expired - Lifetime
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
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- Control Of Transmission Device (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
The utility model discloses a full automatic bi-axis staged gear shifting mechanism and comprises a motor, a controller, a clutch, a speeder and the servo unit which is positioned on the shell of the speed speeder. The speed speeder comprises an input axis which is on the shell of the speeder and an output axis both provided with a high and lower speed gear pair with high and lower speed gear pair connecting circle. Spline hub of outer gear is positioned on the output axis which is between the connecting circle of the high and lower speed gear pair. The sheath of the spline hub is provided with a movable inner gear connecting sheath. The spline hub is provided with a sliding axle and the propelling axle of the servo unit connects with the sliding axle. The utility model has the advantages of simple structure, reliable performance. The utility pertains to staged gear shifting machine but is provided with the function of infinite gear shifting machine and therefore compromises the advantage of graded gear shifting machine of high efficiency and the advantage of infinite gear shifting machine of simple operation.
Description
Technical field
The utility model belongs to the transmission system of transport vehicle, relates in particular to the full automaticity step change device of elec. vehicle.
Background technology
In recent years, because the pressure of the exhausted day by day and environmental protection of oil resources, the exploitation of elec. vehicle has become the emphasis of auto-industry research and development.The characteristics of electronlmobil maximum are to adopt motor as propulsion source, the motor that modern electronlmobil adopts has that rotating speed height, starting torque are big, the characteristics of electric machine controller speed-regulating range width, therefore, for simplified structure and cost-cutting, most electronlmobil all utilizes the speed regulation characteristics of motor and electric machine controller only to adopt the retarder of fixed speed ratio, and has cancelled power-transfer clutch and change-speed box.But this configuration has brought following drawback:
Efficient is low and shorten service life of motor and electric machine controller.Motor is in the low cruise district when the electronlmobil starting-up to speed, efficiency of motor is very low.Particularly the elec. vehicle great majority are used for city transportation, starting-up to speed is very frequent, and average ground speed is very low, and the electronlmobil with fixed speed ratio all moves with extremely low efficient in low regime under the overwhelming majority's situation, has shortened the continual mileage of electronlmobil greatly.Simultaneously, long-term low-speed running will cause motor overheating, shortens the service life of motor and electric machine controller.
To the requirement height of motor and electric machine controller, improved the cost of motor and electric machine controller greatly.Adopt the electronlmobil of fixed speed ratio to require motor to provide higher instantaneous torque, generally all will reach 3～5 times of torque rating, to satisfy the needs of starting and max. climb slope at Heng Zhuanjuqu; Providing high rotational speed at Heng Gongshuaiqu, generally is 3～5 times of base speed, to satisfy the needs of maximum speed.Such motor and electric machine controller all will improve the cost of motor and electric machine controller greatly by special design and manufacturing.
Need the power drive system of electronlmobil can speed change in order to eliminate these drawbacks, but, the starting torque of motor characteristics big and speed-regulating range width make electronlmobil not need the so much speed change gear of picture orthodox car change-speed box, the present invention combines the characteristics that step change transmission is simple in structure, driving efficiency is high and the electric motor starting torque is big, rotating speed is high, realized the full automaticity step change, be that navigating mate need not operated clutch and engage a gear, only need the operation acceleration pedal to get final product.
Summary of the invention
The purpose of this utility model provides a kind of electronlmobil full automaticity step change device, this transmission system has been taken into account the advantage that step change transmission is simple in structure, driving efficiency is high and the electric motor starting torque is big, rotating speed is high, navigating mate need not operated clutch and engage a gear, only need the operation acceleration pedal, realize the full automaticity step change, be particularly suitable for the elec. vehicle of preposition before driving.
The utility model is achieved by the following technical programs.
Two step change devices of a kind of electric vehicles full automaticity, it comprises motor, controller, the signal input part of described controller and motor, pedal, the signal output part of astern signal links to each other, it also comprises power-transfer clutch, change-speed box, be arranged on the actuating device on the described case of transmission, described change-speed box comprises input shaft and the output shaft that is erected on its housing, described input shaft links to each other with the output shaft of described power-transfer clutch, on described input shaft, be respectively arranged with height, a gear of low speed gear pair, on described output shaft, be respectively arranged with height, another gear of low speed gear pair, described height, two gears of low speed gear pair are meshed respectively each other, be respectively arranged with outer tooth depth on described two gears that are arranged on output shaft, low speed gear is secondary in conjunction with circle, at described height, low speed gear is secondary to be provided with the external spline hub in conjunction with the output shaft between the circle, described splined hub is with movably internal tooth combined cover outward, described combined cover and splined hub, high speed or low speed gear are secondary to be meshed each other in conjunction with circle, described splined hub is provided with slide shaft, the impeller-hub of described actuating device and described slide shaft are connected to each other, and the signal output part of described controller links to each other with the signal input part of described power-transfer clutch and described actuating device respectively.
Because the utility model has adopted above technical scheme, thereby has the following advantages:
Simple in structure, the reliable operation of the utility model.Electric machine speed regulation wide ranges and step change transmission advantage of simple structure have been made full use of, compare with automobile 5 gear gearboxes, deduct 3 D Drives and a reverse gear, made the mechanical component of speed change system deduct 60%, greatly reduced cost and the reliability that has improved transmission system.
The utility model can be suitable for and all elec. vehicles such as pure electric vehicle, motor vehicle driven by mixed power and fuel-cell vehicle.
The utility model biggest advantage is to belong to step change transmission, but has realized stepless speed change function, so taken into account the high and easy to operate advantage of toric transmission of step change transmission efficient simultaneously.This device is compared with the toric transmission (AT, CVT, AMT) that automobile is used always, and driving efficiency improves 2%～10%, and price reduces more than 50%.
Description of drawings
Fig. 1 is the principle schematic of two step change devices of a kind of electric vehicles full automaticity of the present utility model;
Fig. 2 is the combined cover theory structure scheme drawing of the described device of Fig. 1;
Fig. 3 is be meshed with splined hub and the high-speed gear pair structural representation of transmission of the combined cover of the described device of Fig. 1;
The structural representation of the combined cover of the described device of Fig. 4 Fig. 1 and splined hub and low speed gear parafacies engaged transmission.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in drawings, two step change devices of a kind of electric vehicles full automaticity, it comprises motor 7, controller 4, the signal input part of described controller and motor 7, pedal 5, the output signal end of astern signal 6 links to each other, it also comprises power-transfer clutch 8, change-speed box 1, be arranged on the actuating device 2 on the described case of transmission, described change-speed box 1 comprises input shaft 9 and the output shaft 12 that is erected on its housing, described input shaft 9 links to each other with the output shaft of described power-transfer clutch 8, on described input shaft 9, be respectively arranged with height, low speed gear pair 10, a gear of 11, on described output shaft 12, be respectively arranged with height, low speed gear pair 10, another gear of 11, described height, the transmission that is engaged with each other respectively of two gears of low speed gear pair, be respectively arranged with outer tooth depth on described two gears that are arranged on output shaft 12, low speed gear is secondary in conjunction with circle 13,15, at described height, low speed gear is secondary to be provided with external spline hub 14 in conjunction with the output shaft between the circle, the described splined hub 14 outer movably internal tooth combined covers 3 that are with, described combined cover 3 and splined hub 14, high speed or low speed gear are secondary in conjunction with circle 13,15 transmissions that are meshed each other, described splined hub 14 is provided with slide shaft, the impeller-hub of described actuating device and described slide shaft are vertically connected to one another, and the signal output part of described controller links to each other with the signal input part of described power-transfer clutch and described actuating device respectively.Described actuating device is electromagnet, electric-controlled hydraulic cylinder or electronic control cylinder.Described power-transfer clutch is electric-controlled mechanical power-transfer clutch, magnetic clutch, hydraulic clutch or steam-operating power-transfer clutch.
Controller 4 is according to the signal and the vehicle speed signal of the rotating speed of motor 7 and load signal, acceleration pedal 5,8 separation of control self-acting clutch or combination and control engage a gear actuating device 2 move the combined cover 3 of step change transmission, enter high-speed gear pair 10 or low speed gear pair 11, realize the full automaticity step change.Power transmission route during low speed: secondary 11-of motor 7-self-acting clutch 8-input shaft 9-low speed gear combined cover 3-output shaft 12; Power transmission route during high speed: motor 7-self-acting clutch 8-input shaft 9-high-speed gear pair 10-combined cover 3-output shaft 12.When taking into account maximum speed and max. climb slope, by full automaticity step change device the electronlmobil overwhelming majority is moved near the times being controlled at rated speed of rotation, improve the efficient and the requirement that reduces motor and electric machine controller of motor and electric machine controller to greatest extent, thus cost-cutting.When this device was realized reversing, chaufeur was pressed reversing button 6, and controller 4 obtains astern signal, by self-acting clutch 8 and engage a gear actuating device 2, made two grades of step change transmissions 1 force to enter lower-speed state, and the reversing of motor speed limit realizes reversing.
The present invention can directly adopt on pure electric vehicle, serial mixed power vehicle and fuel-cell vehicle, when on parallel and series parallel hybrid power vehicle, adopting, by self-acting clutch this device and driving engine are coupled, when gear shift and reversing, self-acting clutch disconnects driving engine and this device, the power of combustion cutoff provides power by motor fully, realizes speed change and reversing.
Claims (3)
1. two step change devices of an electric vehicles full automaticity, it comprises motor, controller, the signal input part of described controller and motor, pedal, the output signal end of astern signal links to each other, it is characterized in that: it also comprises power-transfer clutch, change-speed box, be arranged on the actuating device on the described case of transmission, described change-speed box comprises input shaft and the output shaft that is erected on its housing, described input shaft links to each other with the output shaft of described power-transfer clutch, on described input shaft, be respectively arranged with height, a gear of low speed gear pair, on described output shaft, be respectively arranged with height, another gear of low speed gear pair, described height, two gears of low speed gear pair are meshed respectively each other, be respectively arranged with outer tooth depth on described two gears that are arranged on output shaft, low speed gear is secondary in conjunction with circle, at described height, low speed gear is secondary to be provided with the external spline hub in conjunction with the output shaft between the circle, described splined hub is with movably internal tooth combined cover outward, described combined cover and splined hub, high speed or low speed gear are secondary to be meshed each other in conjunction with circle, described splined hub is provided with slide shaft, the impeller-hub of described actuating device and described slide shaft are connected to each other, and the signal output part of described controller links to each other with the signal input part of described power-transfer clutch and described actuating device respectively.
2. two step change devices of electric vehicles full automaticity according to claim 1 is characterized in that: described actuating device is electromagnet, electric-controlled hydraulic cylinder or electronic control cylinder.
3. according to two step change devices of electric vehicles full automaticity according to claim 1 and 2, it is characterized in that: described power-transfer clutch is electric-controlled mechanical power-transfer clutch, magnetic clutch, hydraulic clutch or steam-operating power-transfer clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201233626U CN2875938Y (en) | 2005-11-25 | 2005-11-25 | Full automatic two axle uncontinuous speed change device of electrically driven vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201233626U CN2875938Y (en) | 2005-11-25 | 2005-11-25 | Full automatic two axle uncontinuous speed change device of electrically driven vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2875938Y true CN2875938Y (en) | 2007-03-07 |
Family
ID=37819178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201233626U Expired - Lifetime CN2875938Y (en) | 2005-11-25 | 2005-11-25 | Full automatic two axle uncontinuous speed change device of electrically driven vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2875938Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224858B (en) * | 2008-01-29 | 2010-04-21 | 潍坊新奇机电工程有限公司 | Variable-speed gear for construction hoister |
| CN102518793A (en) * | 2011-11-30 | 2012-06-27 | 武汉科荣车业有限公司 | Automatic speed-changing mechanism for electric vehicle |
| WO2013177785A1 (en) * | 2012-05-31 | 2013-12-05 | Robert Bosch Gmbh | Planetary gear transmission and electric vehicle |
| WO2013177783A1 (en) | 2012-05-31 | 2013-12-05 | Robert Bosch Gmbh | Two-speed transmission and electric vehicle |
| CN101977808B (en) * | 2008-04-30 | 2014-04-23 | 庞巴迪动力产品公司 | Vehicle with a semi-automatic transmission having a reverse gear |
| CN106286757A (en) * | 2016-08-31 | 2017-01-04 | 上海易巴汽车动力系统有限公司 | A kind of AMT system based on automatic clutch structure |
| WO2017069877A1 (en) * | 2015-10-23 | 2017-04-27 | Wrightspeed, Inc. | Gearboxes with compound planet gears and methods of operating thereof |
| CN106608184A (en) * | 2015-10-22 | 2017-05-03 | 北汽福田汽车股份有限公司 | Electric vehicle and automatic speed change control system thereof |
| US10012102B2 (en) | 2014-02-21 | 2018-07-03 | United Technologies Corporation | Variable vane synchronization ring transmission mechanism |
-
2005
- 2005-11-25 CN CNU2005201233626U patent/CN2875938Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224858B (en) * | 2008-01-29 | 2010-04-21 | 潍坊新奇机电工程有限公司 | Variable-speed gear for construction hoister |
| CN101977808B (en) * | 2008-04-30 | 2014-04-23 | 庞巴迪动力产品公司 | Vehicle with a semi-automatic transmission having a reverse gear |
| CN102518793A (en) * | 2011-11-30 | 2012-06-27 | 武汉科荣车业有限公司 | Automatic speed-changing mechanism for electric vehicle |
| EP2855249A4 (en) * | 2012-05-31 | 2015-06-24 | Bosch Gmbh Robert | Planetary gear transmission and electric vehicle |
| WO2013177783A1 (en) | 2012-05-31 | 2013-12-05 | Robert Bosch Gmbh | Two-speed transmission and electric vehicle |
| CN104364148A (en) * | 2012-05-31 | 2015-02-18 | 罗伯特·博世有限公司 | Planetary gear transmission and electric vehicle |
| WO2013177785A1 (en) * | 2012-05-31 | 2013-12-05 | Robert Bosch Gmbh | Planetary gear transmission and electric vehicle |
| CN104364148B (en) * | 2012-05-31 | 2017-05-03 | 罗伯特·博世有限公司 | Planetary gear transmission and electric vehicle |
| US10012102B2 (en) | 2014-02-21 | 2018-07-03 | United Technologies Corporation | Variable vane synchronization ring transmission mechanism |
| CN106608184A (en) * | 2015-10-22 | 2017-05-03 | 北汽福田汽车股份有限公司 | Electric vehicle and automatic speed change control system thereof |
| WO2017069877A1 (en) * | 2015-10-23 | 2017-04-27 | Wrightspeed, Inc. | Gearboxes with compound planet gears and methods of operating thereof |
| US9920818B2 (en) | 2015-10-23 | 2018-03-20 | Wrightspeed, Inc. | Gearboxes with compound planet gears and methods of operating thereof |
| CN106286757A (en) * | 2016-08-31 | 2017-01-04 | 上海易巴汽车动力系统有限公司 | A kind of AMT system based on automatic clutch structure |
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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: 20070307 |
|
| EXPY | Termination of patent right or utility model |