CN203666383U - Transmission structure of battery electric vehicle - Google Patents
Transmission structure of battery electric vehicle Download PDFInfo
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- CN203666383U CN203666383U CN201320826607.6U CN201320826607U CN203666383U CN 203666383 U CN203666383 U CN 203666383U CN 201320826607 U CN201320826607 U CN 201320826607U CN 203666383 U CN203666383 U CN 203666383U
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- electric automobile
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Abstract
The utility model discloses a transmission structure of a battery electric vehicle. The transmission structure comprises a main motor, a power supply, a speed changer, a drive shaft, a clutch, an angle transmission device, an auxiliary motor and an inverter, the clutch is arranged between the main motor and the speed changer, one end of the clutch is connected with the main motor, the other end of the clutch is connected with the speed changer, the angle transmission device is arranged between the speed changer and the drive shaft and comprises an angle transmission device shell, a first bevel gear, a second bevel gear and a transmission shaft, the transmission shaft and a speed changer output shaft are respectively supported on the angle transmission device shell, one end of the speed changer output shaft penetrates through the angle transmission device shell and connected with the drive shaft, the first bevel gear is fixed to the speed changer output shaft, the second bevel gear is circumferentially fixed to the transmission shaft, the first bevel gear is meshed with the second bevel gear, one end of the transmission shaft stretches out of the angle transmission device shell, and is connected with a rotary shaft of the auxiliary motor, the auxiliary motor is electrically connected with the inverter, and the inverter is electrically connected with the power supply. The transmission structure has better power performance and economical efficiency.
Description
Technical field
The utility model relates to pure electric automobile field, particularly relates to a kind of drive mechanism of pure electric automobile.
Background technology
Become increasingly conspicuous at energy issue of world, under the background that environmental problem receives much concern, new-energy automobile becomes the emphasis of China's development.In new-energy automobile again using the drive mechanism of pure electric automobile as developing direction and emphasis.
The drive mechanism of pure electric automobile is using vehicle power as energy-storage travelling wave tube, and power supply drives electrical motor to be used as power driven wheel and travels.Pure electric vehicle mainly adopts the form of electric-machine directly-driven at present, and it exists following problem: to drive in order realizing directly, must to adopt high-performance motor, this motor volume just causing is large, and quality is large, and price is high; Power of motor is large, just requires capacity of cell large, and this just causes number of batteries many, and quality is large, and price is high; In order to realize in mountain area or high-land operation, just require more high-performance motor and more high-capacity battery; Motor is generally high-speed electric expreess locomotive, increases moment of torsion in order to lower rotating speed, conventionally adopts the back axle that adds big speed ratio, and such back axle efficiency is low, and volume is large.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and a kind of drive mechanism of pure electric automobile is provided, and it can allow pure electric automobile adapt to complicated operating mode, has also realized energy recovery, has better dynamic property and economy.
The purpose of this utility model is achieved in that
A kind of drive mechanism of pure electric automobile, comprise main motor, power supply, change-speed box, and the axle drive shaft of pure electric automobile, described main motor is electrically connected with power supply, the mouth of main motor connects change-speed box input end, change-speed box mouth connects axle drive shaft, also comprise power-transfer clutch, angle driver, inverter, and there is the auxiliary-motor of electricity generate function, described power-transfer clutch is positioned at main motor, between change-speed box, Clutch input shaft is connected with main machine shaft, clutch output shaft is connected with input shaft, described angle driver is positioned at change-speed box, between axle drive shaft, angle driver comprises angle device housing, the first finishing bevel gear cuter, the second finishing bevel gear cuter, transmission shaft, on described angle device housing and case of transmission, be respectively equipped with connection opening in opposite directions, the connection opening place of angle device housing and case of transmission is bolted to connection formation one, described transmission shaft is perpendicular to transmission output shaft, transmission shaft, transmission output shaft respectively by bearings in angle device housing, one end of transmission output shaft is through angle device housing, this end of transmission output shaft connects axle drive shaft, described the first finishing bevel gear cuter is circumferentially fixed on transmission output shaft and is positioned at a section of angle device housing, described the second finishing bevel gear cuter is circumferentially fixed on transmission shaft and is positioned at a section of angle device housing, the first finishing bevel gear cuter, the second finishing bevel gear cuter engagement, the housing of angle driver is stretched out in one end of transmission shaft, the rotating shaft of this end auxiliary connection motor of transmission shaft, auxiliary-motor is electrically connected with inverter, inverter is electrically connected with power supply.
Also comprise the ECU for controlling main motor, auxiliary-motor work.
Described change-speed box is six gear hand-operated transmissions.
Described change-speed box is automatic transmission with hydraulic torque converter.
Described power supply is storage battery.
Described power supply is electric capacity.
Described transmission output shaft is connected with axle drive shaft flange.
Described transmission shaft is connected with the rotating shaft flange of auxiliary-motor.
Described main motor, auxiliary-motor are AC induction motor or DC permanent magnetism synchronous machine.
Owing to having adopted such scheme, power-transfer clutch is between main motor, change-speed box, and Clutch input shaft is connected with main machine shaft, and clutch output shaft is connected with input shaft, can cut off the output of main motor by power-transfer clutch, is convenient to shift gears.Angle driver is between change-speed box, axle drive shaft, on angle device housing and case of transmission, be respectively equipped with connection opening in opposite directions, the connection opening place of angle device housing and case of transmission is bolted to connection formation one, to save installing space and number of parts, reduce manufacturing cost.Transmission shaft is perpendicular to transmission output shaft, the first finishing bevel gear cuter is circumferentially fixed on transmission output shaft and is positioned at a section of angle device housing, the second finishing bevel gear cuter is circumferentially fixed on transmission shaft and is positioned at a section of angle device housing, the first finishing bevel gear cuter, the second finishing bevel gear cuter engagement, the housing of angle driver is stretched out in one end of transmission shaft, the rotating shaft of this end auxiliary connection motor of transmission shaft, make main motor, auxiliary-motor is energy drive speed transmission output shaft rotation all, can allow pure electric automobile adapt to complicated operating mode, allow again master, auxiliary-motor and power supply are in optimum state, thereby reduce car load electric quantity consumption.One end of transmission output shaft is through angle device housing, and this end of transmission output shaft connects axle drive shaft, drive shaft electric automobile during traveling.Auxiliary-motor is electrically connected with inverter, and inverter is electrically connected with power supply, and therefore power supply can drive main motor, auxiliary-motor to rotate, can be by generating when auxiliary-motor reversion, and by inverter to power source charges, thereby be to improve capacity usage ratio to greatest extent.Therefore, the utlity model has best power transmission and arrange, energy consumption is lower, does not need large limit and improves the capacity of power supply and the power of main motor, has reduced manufacturing cost, realizes the reliability of car load, has good dynamic property and economy.
Also comprise the ECU for controlling main motor, auxiliary-motor work, ECU controls the startup of main motor, auxiliary-motor and stops, and the power output of coordinating main motor, auxiliary-motor do not interfere, and guarantees that pure electric automobile normally moves.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is scheme of installation of the present utility model;
Fig. 2 is the structural representation of angle driver;
Fig. 3 is the work schematic diagram of the utility model embodiment 1;
Fig. 4 is the work schematic diagram of the utility model embodiment 2;
Fig. 5 is the work schematic diagram of the utility model embodiment 3;
Fig. 6 is the work schematic diagram of the utility model embodiment 4.
In accompanying drawing, 1 is main motor, and 2 is power supply, and 3 is change-speed box, and 4 is axle drive shaft, 5 is power-transfer clutch, and 6 is angle driver, and 7 is auxiliary-motor, and 8 is inverter, and 9 is angle device housing, 10 is the first finishing bevel gear cuter, and 11 is the second finishing bevel gear cuter, and 12 is transmission shaft, and 13 is transmission output shaft.
The specific embodiment
Referring to Fig. 1, Fig. 2, for the specific embodiment of the drive mechanism of pure electric automobile, comprise main motor 1, power supply 2, change-speed box 3, and the axle drive shaft 4 of pure electric automobile, described main motor 1 is electrically connected with power supply 2, and the mouth of main motor 1 connects change-speed box 3 input ends, and change-speed box 3 mouths connect axle drive shaft 4, axle drive shaft is connected with the trailing wheel of pure electric automobile, drives pure electric automobile to travel.Also comprise power-transfer clutch 5, angle driver 6, inverter 8, and there is the auxiliary-motor 7 of electricity generate function, further, also comprise the ECU working for controlling main motor 1, auxiliary-motor 7, inverter 8, ECU is electrically connected with power supply, thereby control the startup of main motor, auxiliary-motor and stop, and the power output of coordinating main motor, auxiliary-motor do not interfere, guarantee that pure electric automobile normally moves.Further, described change-speed box 3 is six gear hand-operated transmissions 3, can be according to different road conditions manual shifts, and energy consumption is lower, and is convenient to energy recovery.Further, described power supply 2 is storage battery, and energy density is high, stable performance.Further, described main motor 1, auxiliary-motor 7 are AC induction motor or DC permanent magnetism synchronous machine, not only can be used as electrical motor and use, and can also use as electrical generator, applied widely.
Described power-transfer clutch 5 is between main motor 1, change-speed box 3, and power-transfer clutch 5 input shafts are connected with main motor 1 rotating shaft, and power-transfer clutch 5 output shafts are connected with change-speed box 3 input shafts, and power-transfer clutch, by M/C, is convenient to gearshift.Described angle driver 6 is between change-speed box 3, axle drive shaft 4, angle driver 6 comprises angle device housing 9, the first finishing bevel gear cuter 10, the second finishing bevel gear cuter 11, transmission shaft 12, on described angle device housing 9 and change-speed box 3 housings, be respectively equipped with connection opening in opposite directions, angle device housing 9 is bolted to connection formation one, compact conformation with the connection opening place of change-speed box 3 housings.Described transmission shaft 12 is perpendicular to transmission output shaft 13, transmission shaft 12, transmission output shaft 13 respectively by bearings in angle device housing 9, one end of transmission output shaft 13 is through angle device housing 9, and this end of transmission output shaft 13 connects axle drive shaft 4.Further, described transmission output shaft 13 is connected with axle drive shaft 4 flanges.Described the first finishing bevel gear cuter 10 is circumferentially fixed on transmission output shaft 13 and is positioned at a section of angle device housing 9, and described the second finishing bevel gear cuter 11 is circumferentially fixed on transmission shaft 12 and is positioned at a section of angle device housing 9, and the first finishing bevel gear cuter 10, the second finishing bevel gear cuter 11 engage.In the present embodiment, the first finishing bevel gear cuter and transmission output shaft, by spline joint, are convenient to manufacture and assembling, the second finishing bevel gear cuter is positioned at the termination of transmission shaft, therefore, directly selects the integrated bevel gear shaft of the second finishing bevel gear cuter and transmission shaft, intensity is higher, longer service life.The housing of angle driver 6 is stretched out in one end of transmission shaft 12, the rotating shaft of this end auxiliary connection motor 7 of transmission shaft 12, and further, described transmission shaft 12 is connected with the rotating shaft flange of auxiliary-motor 7.Auxiliary-motor 7 is electrically connected with inverter 8, and inverter 8 is electrically connected with power supply 2.
Below the specific embodiment of above-mentioned embodiment:
Referring to Fig. 3, during for pure electric automobile starting and anxious acceleration, power transmission route schematic diagram.The change-speed box low gear of putting into gear.Power supply is to main motor and auxiliary-motor power supply, main motor rotarily drives power-transfer clutch, power-transfer clutch by after speed changer by transmission of power to angle driver, simultaneously auxiliary-motor by flange by transmission of power to angle driver, after angle driver converges power by transmission of power to transmission shaft, transmission shaft drive rear bridge driven vehicle advance.In the time of vehicle starting and anxious acceleration, two motors drive simultaneously, and the power output that ECU coordinates main motor, auxiliary-motor does not interfere, and guarantees that pure electric automobile normally moves, and can obtain maximum power output.
Referring to Fig. 4, while travelling gearshift for pure electric automobile, power transmission route schematic diagram.Depress power-transfer clutch, under ECU controls, power supply stops main motor power supply, main motor idle running.Power supply continues auxiliary-motor power supply, auxiliary-motor by flange by transmission of power to angle driver, power is held the speed of a motor vehicle on the one hand by angle driver, being unlikely to the speed of a motor vehicle falls too fastly, one side to change-speed box, is stablized transmission output speed by transmission of power, facilitates synchro gearshift.Depress after power-transfer clutch, select change to suitable gear opportune moment, just can loosen the clutch, main motor restores electricity, and remains in operation.
Referring to Fig. 5, when pure electric automobile high-speed cruising, power transmission route schematic diagram.High-speed running automobile and change-speed box are in 5 gears or 6 whens gear, and power supply is given main motor power supply, and main motor power is by power-transfer clutch, after change-speed box and angle driver, directly by transmission of power to transmission shaft, thereby drive Vehicle Driving Cycle.Auxiliary-motor power-off under ECU controls, only idle running under transmission shaft drives.
Referring to Fig. 6, when pure electric automobile automobile neutral position sliding, power transmission route schematic diagram.May be in neutral position sliding in vehicle operating process, now change-speed box is in neutral gear position, and power supply stops main motor power supply, main motor idle running.Vehicle is still in operation, and car load kinetic energy passes through axle drive shaft transmission to angle driver.Angle driver drives auxiliary-motor, realizes auxiliary-motor generating, and auxiliary-motor, gets up electrical power storage to power source charges by inverter.
The utility model is not only confined to above-described embodiment, and described change-speed box 3 can be also automatic transmission with hydraulic torque converter.
The utility model is not only confined to above-described embodiment, and described power supply 2 can be also electric capacity.
The utility model is not only confined to above-described embodiment, and as selection, auxiliary-motor also can be selected ISG parallel-connected induction motors, thereby cancels angle driver.
The utility model is not only confined to above-described embodiment, carries out the technical scheme of a little change in the situation that not deviating from technical solutions of the utility model spirit, should fall into protection domain of the present utility model.
Claims (9)
1. the drive mechanism of a pure electric automobile, comprise main motor, power supply, change-speed box, and the axle drive shaft of pure electric automobile, described main motor is electrically connected with power supply, the mouth of main motor connects change-speed box input end, change-speed box mouth connects axle drive shaft, it is characterized in that, also comprise power-transfer clutch, angle driver, inverter, and there is the auxiliary-motor of electricity generate function, described power-transfer clutch is positioned at main motor, between change-speed box, Clutch input shaft is connected with main machine shaft, clutch output shaft is connected with input shaft, described angle driver is positioned at change-speed box, between axle drive shaft, angle driver comprises angle device housing, the first finishing bevel gear cuter, the second finishing bevel gear cuter, transmission shaft, on described angle device housing and case of transmission, be respectively equipped with connection opening in opposite directions, the connection opening place of angle device housing and case of transmission is bolted to connection formation one, described transmission shaft is perpendicular to transmission output shaft, transmission shaft, transmission output shaft respectively by bearings in angle device housing, one end of transmission output shaft is through angle device housing, this end of transmission output shaft connects axle drive shaft, described the first finishing bevel gear cuter is circumferentially fixed on transmission output shaft and is positioned at a section of angle device housing, described the second finishing bevel gear cuter is circumferentially fixed on transmission shaft and is positioned at a section of angle device housing, the first finishing bevel gear cuter, the second finishing bevel gear cuter engagement, the housing of angle driver is stretched out in one end of transmission shaft, the rotating shaft of this end auxiliary connection motor of transmission shaft, auxiliary-motor is electrically connected with inverter, inverter is electrically connected with power supply.
2. the drive mechanism of pure electric automobile according to claim 1, is characterized in that: also comprise the ECU for controlling main motor, auxiliary-motor work.
3. the drive mechanism of pure electric automobile according to claim 1, is characterized in that: described change-speed box is six gear hand-operated transmissions.
4. the drive mechanism of pure electric automobile according to claim 1, is characterized in that: described change-speed box is automatic transmission with hydraulic torque converter.
5. the drive mechanism of pure electric automobile according to claim 1, is characterized in that: described power supply is storage battery.
6. the drive mechanism of pure electric automobile according to claim 1, is characterized in that: described power supply is electric capacity.
7. the drive mechanism of pure electric automobile according to claim 1, is characterized in that: described transmission output shaft is connected with axle drive shaft flange.
8. the drive mechanism of pure electric automobile according to claim 1, is characterized in that: described transmission shaft is connected with the rotating shaft flange of auxiliary-motor.
9. the drive mechanism of pure electric automobile according to claim 1, is characterized in that: described main motor, auxiliary-motor are AC induction motor or DC permanent magnetism synchronous machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320826607.6U CN203666383U (en) | 2013-12-16 | 2013-12-16 | Transmission structure of battery electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320826607.6U CN203666383U (en) | 2013-12-16 | 2013-12-16 | Transmission structure of battery electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666383U true CN203666383U (en) | 2014-06-25 |
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ID=50962706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320826607.6U Expired - Fee Related CN203666383U (en) | 2013-12-16 | 2013-12-16 | Transmission structure of battery electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203666383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104163113A (en) * | 2014-07-27 | 2014-11-26 | 黄进平 | Fuel-free mechanical vehicle |
-
2013
- 2013-12-16 CN CN201320826607.6U patent/CN203666383U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104163113A (en) * | 2014-07-27 | 2014-11-26 | 黄进平 | Fuel-free mechanical vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20161216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |