CN106051147A - Electric automobile transmission - Google Patents

Electric automobile transmission Download PDF

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Publication number
CN106051147A
CN106051147A CN201610661981.3A CN201610661981A CN106051147A CN 106051147 A CN106051147 A CN 106051147A CN 201610661981 A CN201610661981 A CN 201610661981A CN 106051147 A CN106051147 A CN 106051147A
Authority
CN
China
Prior art keywords
gear
output shaft
motor
assembly
electric automobile
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.)
Pending
Application number
CN201610661981.3A
Other languages
Chinese (zh)
Inventor
陈勇
郭立书
曹展
刘海
董远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei University of Technology
Original Assignee
Hebei University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hebei University of Technology filed Critical Hebei University of Technology
Priority to CN201610661981.3A priority Critical patent/CN106051147A/en
Publication of CN106051147A publication Critical patent/CN106051147A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26Generation or transmission of movements for final actuating mechanisms
    • F16H61/28Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/32Electric motors actuators or related electrical control means therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30Constructional features of the final output mechanisms
    • F16H63/34Locking or disabling mechanisms
    • F16H63/3416Parking lock mechanisms or brakes in the transmission
    • F16H63/3425Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/40Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
    • F16H63/44Signals to the control unit of auxiliary gearing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/40Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
    • F16H63/42Ratio indicator devices
    • F16H2063/423Range indicators for automatic transmissions, e.g. showing selected range or mode

Abstract

The invention relates to the technical field of transmissions, in particular to an electric automobile transmission. The electric automobile transmission comprises an input shaft assembly, an output shaft assembly and a differential mechanism assembly which are in sequential transmission connection. The electric automobile transmission further comprises a gear selecting and shifting mechanism assembly. A synchronizer is arranged on the output shaft assembly, and the synchronizer is driven by the gear selecting and shifting mechanism assembly to move. The input shaft assembly comprises an input shaft and a first motor, and the input shaft is connected with the output end of the first motor. The output shaft assembly comprises an output shaft and a second motor, and the output shaft is connected with the output end of the second motor. By means of arrangement of the first motor and the second motor, joint driving of the double motors can be achieved, or the double motors can conduct driving separately. Even if failure happens to one of the motors, an automobile can run. By means of arrangement of a gear selecting mechanism, multi-gear driving of the motors can be achieved; selection among multiple types of gears is achieved; and comprehensive optimization of energy of a whole system is achieved under various working conditions.

Description

A kind of electric automobile gear device
Technical field
The present invention relates to transmission technology field, particularly relate to a kind of electric automobile gear device.
Background technology
Variable-speed motor, generally at low-speed region, has constant torque characteristic, at its high-speed region, has constant output characteristic. The application of many grades or single grade actuating devices depends primarily on the speed torque characteristic of motor.In the given specified merit of motor Under rate, if it has invariable power district on a large scale, the most single grade of actuating device will be enough to produce high pull strength in the case of the slow-speed of revolution;Otherwise Many grades of actuating devices must be used.
Obviously, having the motor in invariable power region on a large scale, its torque capacity can significantly improve, therefore the acceleration of vehicle It is improved with grade climbing performance, and actuating device also can simplify.But, the motor of every kind of pattern has the highest turn that it is intrinsic The limit value of speed ratio, such as, owing to there being permanent magnet, magnetic field is difficult to decay, and therefore permanent magnet motor has little rotating ratio;Switching magnetic-resistance The rotating ratio of motor can reach high value;Asynchronous motor speed than between permanent magnet motor and switched reluctance motor it Between.
Single grade of motor of electric motor car drives, and motor efficient operating regime is narrower, it is difficult to meet under different operating mode, different rotating speeds Car load requirement.Meanwhile, existing gear shift mechanism structure is complex, the shifting time is longer, it is difficult to meet crash change of speed and Ride comfort requirement.It addition, traditional power automobile is due to the layout of the parts such as clutch, fluid torque-converter, cause drive system With arrangement space is nervous and kerb weight is bigger.
Through the retrieval of prior art is found that Chinese patent application publication number CN104295675A applies for publication date 2015.01.21, one " a kind of two grades of electric vehicle transmission assemblies " is described.A kind of two grades of electric motor cars of this disclosure of the invention become Speed device assembly, defeated with motor equipped with power shaft and jackshaft, power shaft in the inner chamber formed after left box body and right case mould assembling Shaft connects, and one grade of gear on jackshaft often engages with one grade of axle teeth portion of power shaft, and intermediate gear and two grades of axle teeth portion are normal Engagement;Being set with synchronizer gear sleeve on one grade of jackshaft between gear and intermediate gear, synchronizer gear sleeve can dialling at shift fork Along jackshaft axial slip under Dong;The reduction gearing portion of jackshaft often engages with the reduction gearing on reducing gearbox, planetary gear Axle is fixed on reducing gearbox, and two planetary gears on planetary gear axle often engage with two output bevel gears simultaneously, and these are two years old The angular wheel shaft of individual output bevel gear is respectively supported in the installing hole of reducing gearbox left end and right-hand member.This invention can be by motor Power is exported by the angular wheel shaft of output bevel gear, and angular wheel shaft can be made to have two gears by gearshift.Although it is above-mentioned Patent application provides a kind of change speed gear box and has two gears, but it still exists electric motor car list motor and drives, and motor is efficient Working range is narrower, it is difficult to meet the car load requirement under different operating mode, different rotating speeds, and existing gear shift mechanism structure is relatively For complicated, the shifting time is longer, it is difficult to meet crash change of speed and ride comfort requirement.
For the problems referred to above, a kind of motor efficient operating regime that can solve the problem that existing variator exists is proposed narrower, difficult The electric automobile gear device of problem is required with the car load under satisfied different operating mode, different rotating speeds.
Summary of the invention
It is an object of the invention to propose a kind of electric automobile gear device, it is possible to solve the motor height that existing variator exists Effect working range is narrower, it is difficult to the car load met under different operating mode, different rotating speeds requires problem.
For reaching this purpose, the present invention by the following technical solutions:
A kind of electric automobile gear device, it includes power shaft assembly, output shaft assembly and the differential mechanism being in transmission connection successively Assembly;
Also including gear shift mechanism assembly, output shaft assembly is provided with lock unit, lock unit is at gear shift mechanism assembly Drive lower mobile;
Described power shaft assembly includes power shaft and the first motor, and the outfan of power shaft and the first motor connects;
Described output shaft assembly includes output shaft and the second motor, and the outfan of output shaft and the second motor connects.
As a kind of preferred version of above-mentioned electric automobile gear device, described power shaft assembly also includes 1 grade of driving gear With 2 grades of driving gears;
Described 1 grade of driving gear, 2 grades of driving gears are fixed with described power shaft and are connected.
As a kind of preferred version of above-mentioned electric automobile gear device, described power shaft input is by spline and the first electricity Machine outfan is connected.
As a kind of preferred version of above-mentioned electric automobile gear device, described output shaft assembly include 1 grade of driven gear, 2 Shelves driven gear, P shelves parking ratchet wheel and output shaft master subtract gear;
Described lock unit is 1/2 grade of lock unit;
Described output shaft and 1 grade of driven gear, 2 grades of driven gears are connected by bearing;
The tooth drum of described output shaft and 1/2 grade of lock unit is fixing to be connected;
Described output shaft subtracts with P shelves parking ratchet wheel, output shaft master that gear is fixing to be connected;
1 grade of driving gear of 1 grade of driven gear of described output shaft and power shaft engages, 2 grades of driven gears of described output shaft with 2 grades of driving gear engagements of power shaft;
Described output shaft master subtracts gear and is in transmission connection with differential assembly;
1/2 grade of lock unit of described output shaft can realize output shaft and 1 grade of driven gear combines or separates or realize and 2 grades Driven gear separates or combines.
As a kind of preferred version of above-mentioned electric automobile gear device, described differential assembly gear ring and output shaft master subtract tooth Wheel engagement.
As a kind of preferred version of above-mentioned electric automobile gear device, described output shaft input is by spline and motor 2 Outfan is connected.
As a kind of preferred version of above-mentioned electric automobile gear device, described gear shift mechanism assembly includes transmission control Unit TCU, the gearshift being connected with transmission control unit TCU respectively and halting mechanism, described gearshift is connected to Described 1/2 gear lock unit, and drive one in 1/2 gear lock unit and 1 gear driven gear and 2 gear driven gears to be meshed;Institute State halting mechanism and P gear parking ratchet wheel to be used in combination, for locked or unclamp P and keep off parking ratchet wheel.
As a kind of preferred version of above-mentioned electric automobile gear device, described gearshift includes being connected to transmission control The shifting motor of unit TCU, is connected to the reducing gear of described shifting motor, and described reducing gear drive connection has 1/2 Gear selector fork, described 1/2 gear selector fork is connected to 1/2 gear lock unit, and drives 1/2 gear lock unit and 1 gear driven gear It is meshed with in 2 gear driven gears.
As a kind of preferred version of above-mentioned electric automobile gear device, described reducing gear connects shift sensor, institute State shift sensor and be connected to described transmission control unit TCU.
As a kind of preferred version of above-mentioned electric automobile gear device, described halting mechanism includes being connected to transmission control The parking motor of unit TCU, described parking motor connects control device, and described control device connects has P gear to stay Car ratchet, and drive described P gear park pawl locked or unclamp P gear parking ratchet wheel.
As a kind of preferred version of above-mentioned electric automobile gear device, described parking motor connects vehicle speed sensor, institute Stating control device connection has parking position sensor, described vehicle speed sensor and parking position sensor to be all connected to speed change Device control unit TCU.
The invention have the benefit that the present invention passes through the first motor and the setting of the second motor, it is possible to achieve bi-motor Common driving, or be driven respectively, even if there being a motor failure automobile also can travel, by the setting of gear selection mechanism, The driving of many grades of motor can be realized, it is achieved multiple gear selects, and realizes the energy synthesis optimization of whole system under various operating modes.
Accompanying drawing explanation
Fig. 1 is the drive path schematic diagram of the electric automobile gear device of invention;
Fig. 2 is invention electric automobile gear device drive path schematic diagram when being in 2 gear;
Wherein:
001: power shaft assembly;002: output shaft assembly;003: differential assembly;004: gear shift mechanism assembly;
101: power shaft;102:1 shelves driving gear;103:2 shelves driving gear;104: the first motors;
201: output shaft;202;1 grade of driven gear;203:1/2 shelves lock unit;204:2 shelves driven gear;205:P shelves are stayed Car ratchet;206: output shaft master subtracts gear;207: the second motors;
401:1/2 shelves selector fork;402:P keeps off park pawl;
401,1/2 gear selector fork;402, shifting motor;403, reducing gear;404, shift sensor;405, P gear Park pawl;406, control device;407, parking position sensor;408, parking motor;409, vehicle speed sensor;410、 Transmission control unit TCU.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
As shown in Figure 1 and Figure 2, present embodiments provide for a kind of electric automobile gear device, it includes being in transmission connection successively Power shaft assembly 001, output shaft assembly 002 and differential assembly 003, also include gear shift mechanism assembly 004, output shaft assembly Being provided with lock unit on 002, lock unit moves under gear shift mechanism assembly 004 drives, it is achieved gearshift.
Power shaft assembly 001 includes power shaft 101 and the first motor 104, power shaft 101 and the output of the first motor 104 End connects, and output shaft assembly 002 includes output shaft 201 and the second motor 207, output shaft 201 and the outfan of the second motor 207 Connect.
In the present embodiment, by the first motor 104 and setting of the second motor 207, it is possible to achieve bi-motor is common Drive, or be driven respectively, even if there being a motor failure automobile also can travel, by the setting of gear selection mechanism, can be real Existing many grades of motor driving, it is achieved multiple gear selects, and realizes the energy synthesis optimization of whole system under various operating modes.
Power shaft assembly 001 also includes 1 grade of driving gear 102 and 103,1 grade of driving gear of 2 grades of driving gears 102,2 grades Driving gear 103 is fixing with power shaft 101 to be connected, and power shaft 101 input passes through spline and the first motor 104 outfan phase Even.
Output shaft assembly 002 includes 202,2 grades of driven gears 204 of 1 grade of driven gear, P shelves parking ratchet wheel 205 and output shaft Master subtracts gear 206, and above-mentioned lock unit is 1/2 grade of lock unit 203.
202,2 grades of driven gears 204 of output shaft 201 and 1 grade of driven gear are connected by bearing, output shaft 201 and 1/2 grade The tooth drum of lock unit 203 is fixing to be connected.
Output shaft 201 subtracts with P shelves parking ratchet wheel 205, output shaft master that gear 206 is fixing to be connected.
Output shaft 201 input is connected by spline and the second motor 207 outfan.
1 grade of driving gear 102 of 1 grade of driven gear 202 of output shaft and power shaft engages, 2 grades of driven gears of output shaft 204 with 2 grades of driving gears 103 of power shaft engage, and 1/2 grade of lock unit 203 of output shaft can realize output shaft 201 and 1 grade of driven gear 202 combine or separate or realize separating with 2 grades of driven gears 204 or combining.
Output shaft master subtracts gear 206 and is in transmission connection with differential assembly 003, concrete, and differential assembly 003 gear ring is with defeated Shaft master subtracts gear 206 and engages.
Gear shift mechanism assembly 004 includes that 401,1/2 grade of selector fork 401 of 1/2 grade of selector fork drives lock unit to move.
Gear shift mechanism assembly 004 also includes that P shelves park pawl 402, P gear park pawl 402 is driven by shifting drum 403 Locked or unclamp P shelves parking ratchet wheel 205.
Gear shift mechanism assembly 004 includes transmission control unit TCU410, and this transmission control unit TCU410 refers to: Transmission Control Unit, i.e. automatic gear-box control unit, is usually used in the fluid drives such as AMT, AT, DCT, CVT Device, is used for realizing automatic shift control, makes driving simpler.
Above-mentioned transmission control unit TCU410 is connected to gearshift and halting mechanism, wherein gearshift bag Including the shifting motor 402 being connected to transmission control unit TCU410, shifting motor 402 connects reducing gear 403, subtracts Speed mechanism 403 drive connection has 1/2 gear selector fork 401, drives 1/2 gear selector fork 401 left particular by frame for movement Moving right (orientation shown in Fig. 1), above-mentioned frame for movement is displacement structure common in the art, at this no longer to its concrete knot Structure repeats.This 1/2 gear selector fork 401 is connected to 1/2 gear lock unit 203, and it moves left and right at drive 1/2 gear lock unit 203 Time, 1/2 gear lock unit 203 can be meshed with in 1 gear driven gear 202 and 2 gear driven gear 204.In the present embodiment, Preferably, above-mentioned reducing gear 403 connects shift sensor 404, and this shift sensor 404 is connected to transmission control unit TCU410, for monitoring the running status of reducing gear 403.
Halting mechanism includes the parking motor 408 being connected to transmission control unit TCU410, and this parking motor 408 connects Having control device 406, control device 406 connects has P to keep off park pawl 405, and this P gear park pawl 405 is stayed with P gear Car ratchet 205 is used in combination, and is driven P gear park pawl 405 locked by control device 406 or is unclamped P and keeps off parking spine Wheel 205.Preferably, above-mentioned parking motor 408 connects vehicle speed sensor 409, is used for monitoring speed state, control device 406 connections have parking position sensor 407, for monitoring the running status of control device 406, above-mentioned vehicle speed sensor 409 and parking position sensor 407 be all connected to transmission control unit TCU410, speed state and the parking of detection are held The running status of row mechanism 406 is sent to transmission control unit TCU410, by transmission control unit TCU410 process.
The above-mentioned electric automobile gear device of the present embodiment locate P gear time, its drive path as it is shown in figure 1, now first electricity Machine 104 is out of service, 1/2 gear lock unit 203 is in 1 gear driven gear 202 and 2 gear driven gear 204 between, and with 1 gear from Moving gear 202 and 2 gear driven gear 204 does not all engage, and parking motor 408 drives control device 406 to drive P gear to stay simultaneously The locked P of car ratchet 405 keeps off parking ratchet wheel 205, and output shaft 201 can not be rotated by locked, and differential assembly 003 also cannot run, Electric automobile is in parked state.
When needs change P gear into 1 gear or 2 gear, as in figure 2 it is shown, as a example by changing 2 gears into, now shifting motor 402 Drive deceleration mechanism 403, is driven 1/2 gear selector fork 401 to move (Fig. 2 to 2 gear driven gear 204 directions by reducing gear 403 Shown right side is mobile), 1/2 gear selector fork 401 then drives 1/2 gear lock unit 203 to move to the right, and keeps off driven gears with 2 204 are meshed, and meanwhile, parking motor 408 drives control device 406 to drive P gear park pawl 405 to unclamp P gear and stays Car ratchet 205, output shaft 201 is released can be rotated.Now start the first motor 104, the first motor 104 then band driven input shaft 101 and 2 gear driving gears 103 rotates, 2 gear driving gears 103 then drives 2 gear driven gears 204 rotate, and then by 2 keep off from The meshing relation of moving gear 204 and 1/2 gear lock unit 203, it is possible to drive output shaft 201 to rotate, the most just driven output shaft master Subtract gear 205 to rotate, subtract the differential assembly 003 that gear 205 engages with output shaft master and bring into operation, at electric automobile gear device Running status is kept off in 2.
In like manner, the above-mentioned electric automobile gear device of the present embodiment can carry out the conversion between P gear and 1 gear and 2 gears, enters And the efficient working range of the first motor 104 can be improved, and can realize quick and precisely shifting gears, it is ensured that traffic safety.
It should be understood that vehicle is in the normal state, the only first motor 104 works, and the second motor 207 cuts out not work Make;When the state such as vehicle driving up, acceleration, opening the second motor 207, the first motor 104 and the second motor 207 work simultaneously, It is in as a example by 2 gears by vehicle, the drive path of two motors is described in detail:
Drive path one: the first motor 104 by power shaft 101 through 103,2 grades of driven gears 204 of 2 grades of driving gears, output Axle 201, output shaft master subtracts gear 206, differential assembly 003 carries out power output to car load.
Drive path two: the second motor 207 is subtracted gear 206, differential assembly 003 to whole by output shaft 201, output shaft master Car carries out power output.
Two kinds of power transmission routes merge at differential assembly 003 and car load are carried out power output.
The know-why of the present invention is described above in association with specific embodiment.These describe and are intended merely to explain the present invention's Principle, and limiting the scope of the invention can not be construed to by any way.Based on explanation herein, the technology of this area Personnel need not pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes fall within Within protection scope of the present invention.

Claims (10)

1. an electric automobile gear device, it is characterised in that include power shaft assembly (001), the output shaft being in transmission connection successively Assembly (002) and differential assembly (003);
Also including that gear shift mechanism assembly (004), output shaft assembly are provided with lock unit on (002), lock unit is at shifting machine Structure assembly (004) drives lower mobile;
Described power shaft assembly (001) includes power shaft (101) and the first motor (104), power shaft (101) and the first motor (104) outfan connects;
Described output shaft assembly (002) includes output shaft (201) and the second motor (207), output shaft (201) and the second motor (207) outfan connects.
Electric automobile gear device the most according to claim 1, it is characterised in that described power shaft assembly (001) also includes 1 Shelves driving gear (102) and 2 grades of driving gears (103);
Described 1 grade of driving gear (102), 2 grades of driving gears (103) are fixed with described power shaft (101) and are connected.
Electric automobile gear device the most according to claim 1, it is characterised in that described power shaft (101) input passes through Spline and the first motor (104) outfan are connected.
Electric automobile gear device the most according to claim 2, it is characterised in that described output shaft assembly (002) includes 1 grade Driven gear (202), 2 grades of driven gears (204), P shelves parking ratchet wheel (205) and output shaft master subtract gear (206);
Described lock unit is 1/2 grade of lock unit (203);
Described output shaft (201) is connected by bearing with 1 grade of driven gear (202), 2 grades of driven gears (204);
Described output shaft (201) is fixing with the tooth drum of 1/2 grade of lock unit (203) to be connected;
Described output shaft (201) subtracts with P shelves parking ratchet wheel (205), output shaft master that gear (206) is fixing to be connected;
1 grade of driving gear (102) of 1 grade of driven gear (202) of described output shaft and power shaft is engaged, and described output shaft 2 grades is driven 2 grades of driving gears (103) of gear (204) and power shaft are engaged;
Described output shaft master subtracts gear (206) and is in transmission connection with differential assembly (003);
1/2 grade of lock unit (203) of described output shaft can realize output shaft (201) and combine with 1 grade of driven gear (202) or separate Or realize separating with 2 grades of driven gears (204) or combining.
Electric automobile gear device the most according to claim 4, it is characterised in that described differential assembly (003) gear ring with Output shaft master subtracts gear (206) engagement.
Electric automobile gear device the most according to claim 4, it is characterised in that described gear shift mechanism assembly (004) is wrapped Include transmission control unit TCU (410), the gearshift being connected respectively and parking machine with transmission control unit TCU (410) Structure, described gearshift is connected to described 1/2 gear lock unit (203), and drives 1/2 gear lock unit (203) and 1 gear driven gear (202) one in and 2 gears driven gear (204) is meshed;Described halting mechanism matches with P gear parking ratchet wheel (205) and makes With, for locked or unclamp P gear parking ratchet wheel (205).
Electric automobile gear device the most according to claim 6, it is characterised in that described gearshift includes being connected to speed change The shifting motor (402) of device control unit TCU (410), is connected to the reducing gear (403) of described shifting motor (402), Described reducing gear (403) drive connection has 1/2 gear selector fork (401), described 1/2 gear selector fork (401) to be connected to 1/2 Gear lock unit (203), and drive 1/2 gear lock unit (203) to keep off in driven gear (204) with 1 gear driven gear (202) and 2 One is meshed.
Electric automobile gear device the most according to claim 7, it is characterised in that described reducing gear (403) connects gear Level sensor (404), described shift sensor (404) is connected to described transmission control unit TCU (410).
9. according to the arbitrary described electric automobile gear device of claim 6-8, it is characterised in that described halting mechanism includes connecting In the parking motor (408) of transmission control unit TCU (410), described parking motor (408) connects control device (406), described control device (406) connects P gear park pawl (405), and drives described P gear park pawl (405) Locked or unclamp P gear parking ratchet wheel (205).
Electric automobile gear device the most according to claim 9, it is characterised in that described parking motor (408) connects car Speed sensor (409), described control device (406) connects parking position sensor (407), described vehicle speed sensor And parking position sensor (407) is all connected to transmission control unit TCU (410) (409).
CN201610661981.3A 2016-08-10 2016-08-10 Electric automobile transmission Pending CN106051147A (en)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN106051107A (en) * 2016-08-10 2016-10-26 河北工业大学 Electric automobile transmission
WO2020064044A1 (en) * 2018-09-27 2020-04-02 Schaeffler Technologies AG & Co. KG Transmission unit for a motor vehicle transmission with a spur gear arranged rotatably on an intermediate shaft

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CN105156661A (en) * 2015-06-07 2015-12-16 深圳市沃特玛电池有限公司 Gearbox of automatic gear shifting electric vehicle
CN205371477U (en) * 2016-03-08 2016-07-06 唐山爱信齿轮有限责任公司 Electric automobile keeps off derailleur with two
CN206112044U (en) * 2016-08-10 2017-04-19 河北工业大学 Electric automobile transmission

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JPS6330637A (en) * 1986-07-24 1988-02-09 Fujitsu Ltd Driving gear for transmission
CN201588928U (en) * 2009-11-28 2010-09-22 比亚迪股份有限公司 Parking locking device
CN102135176A (en) * 2011-03-30 2011-07-27 重庆青山工业有限责任公司 Parking mechanism of electric automobile
CN102278467A (en) * 2011-05-27 2011-12-14 重庆青山工业有限责任公司 P-gear executing mechanism of automotive transmission
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CN205371477U (en) * 2016-03-08 2016-07-06 唐山爱信齿轮有限责任公司 Electric automobile keeps off derailleur with two
CN206112044U (en) * 2016-08-10 2017-04-19 河北工业大学 Electric automobile transmission

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106051107A (en) * 2016-08-10 2016-10-26 河北工业大学 Electric automobile transmission
WO2020064044A1 (en) * 2018-09-27 2020-04-02 Schaeffler Technologies AG & Co. KG Transmission unit for a motor vehicle transmission with a spur gear arranged rotatably on an intermediate shaft
CN112601906A (en) * 2018-09-27 2021-04-02 舍弗勒技术股份两合公司 Transmission unit for a motor vehicle transmission having a spur gear rotatably arranged on an intermediate shaft

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