CN106741548B - Electric vehicle power-assisted motor, electric vehicle and electric vehicle control method - Google Patents
Electric vehicle power-assisted motor, electric vehicle and electric vehicle control method Download PDFInfo
- Publication number
- CN106741548B CN106741548B CN201611220159.XA CN201611220159A CN106741548B CN 106741548 B CN106741548 B CN 106741548B CN 201611220159 A CN201611220159 A CN 201611220159A CN 106741548 B CN106741548 B CN 106741548B
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- Prior art keywords
- rotor
- electric vehicle
- motor
- shell
- driving shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/55—Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
Abstract
The invention discloses an electric vehicle power-assisted motor which comprises a stator, a rotor and a shell, wherein the stator comprises a coil winding body and an extension body arranged on the coil winding body, the rotor is sleeved outside the coil winding body, the shell is fixedly connected with the rotor, the shell is provided with a through hole, the extension body penetrates through the through hole and protrudes out of the shell, the extension body comprises a bearing installation part and a connecting part which extends from the bearing installation part and is used for being connected to a vehicle body, a bearing is installed on the bearing installation part, and the bearing is installed in the through hole. The motor has simple structure and convenient maintenance.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a travel tool, in particular to an electric vehicle assisted by a motor.
[ background ] A method for producing a semiconductor device
In the prior art, the shaft of the motor and the driving shaft of the electric vehicle are coaxial, or the shaft of the motor is parallel to the driving shaft, the motor is disassembled and assembled to simultaneously disassemble the driving shaft and the frame of the electric vehicle, and the motor needs to be provided with auxiliary mechanisms such as gears and the like, so that the motor is inconvenient to repair and maintain once being damaged.
[ summary of the invention ]
The technical problem to be solved by the invention is as follows: the electric vehicle power-assisted motor is convenient to maintain.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an electric motor car helping hand motor, includes the stator, be used for with the drive shaft fixed connection's of electric motor car rotor and shell, the stator includes the coil winding body and sets up the extension body on the coil winding body, the outside of coil winding body is arranged in to the rotor cover, shell and rotor fixed connection, and the shell is equipped with the through-hole, the extension body runs through the protruding shell that stretches out of through-hole, the extension body includes the bearing installation department and extends from the bearing installation department for connect the connecting portion on the automobile body, install bearing and this bearing install in the through-hole on the bearing installation department.
The invention has the following beneficial effects: the stator is provided with the extension body, and the extension body comprises the connecting part used for being connected to the vehicle body, so that the power-assisted motor of the electric vehicle can be directly connected to the vehicle body through the connecting part, and the rotor can be fixedly connected with the driving shaft of the electric vehicle.
Further, the coil winding body is provided with a first groove, the extension body is provided with a shaft hole communicated with the first groove, the rotor comprises a rotor inner ring body positioned in the first groove, a rotor outer ring body positioned on the outer side of the coil winding body and a rotor side wall body connecting the rotor inner ring body and the rotor outer ring body, and the rotor inner ring body is provided with a second groove communicated with the shaft hole.
Further, the shell comprises a shell inner ring body located in the second groove, a third groove is formed in the shell inner ring body, and the third groove is communicated with the shaft hole.
Furthermore, a pedal is arranged on the shell.
Further, the shell comprises a first split body and a second split body connected with the first split body, the first split body comprises a shell inner ring body, a shell outer ring body located on the outer side of the rotor outer ring body and a shell connecting body connected with the shell inner ring body and the shell outer ring body, and the through hole is formed in the second split body. The shell is provided with a split body, so that the power-assisted motor of the electric vehicle can be detached and maintained conveniently.
Further, the rotor outer ring body is fixedly connected with the first split body of the shell.
Furthermore, a pedal is arranged on the first split body.
The invention also provides an electric vehicle which comprises the electric vehicle power-assisted motor, a vehicle frame and a driving shaft assembly arranged on the vehicle frame, wherein the vehicle frame is provided with a shaft sleeve, the driving shaft assembly comprises a driving shaft sleeve and a driving shaft capable of rotating relative to the driving shaft sleeve, the driving shaft assembly is arranged in the shaft sleeve, the connecting part of the extension body is arranged between the driving shaft assembly and the shaft sleeve, the driving shaft assembly extends into the shaft hole, and the driving shaft is fixedly connected with the rotor. The electric vehicle power-assisted motor and the vehicle body are convenient and simple to mount and dismount.
Further, the driving shaft is fixedly connected with the rotor through a connecting piece, and the connecting piece penetrates through the third groove to be connected to the driving shaft.
Further, the electric vehicle comprises a first sensor for detecting the rotation speed of the rotor or the rotation speed of the shell, a second sensor for detecting the rotation speed of the wheel and a motor controller, wherein when the first sensor detects that the rotor or the shell rotates and accelerates, the motor controller controls the power-assisted motor to accelerate, and when the second sensor detects that the wheel decelerates, the motor controller controls the power-assisted motor to decelerate.
The invention also provides a control method of the electric vehicle, which comprises the following steps: treading the pedal to drive the rotor or the shell to rotate; the first sensor detects the rotation information of the rotor or the shell and transmits the rotation information to the motor controller to control the power-assisted motor of the electric vehicle to rotate; the electric vehicle power-assisted motor drives the wheels to rotate, and the electric vehicle accelerates.
Furthermore, the speed of the wheels is controlled through braking, the second sensor detects the speed reduction information of the wheels and transmits the speed reduction information to the motor controller, and the motor controller controls the power-assisted motor of the electric vehicle to reduce the speed.
[ description of the drawings ]
Fig. 1 is a perspective view of an electric vehicle according to the present invention.
Fig. 2 is a schematic sectional view taken along line B-B of fig. 1.
Fig. 3 is an enlarged schematic view of a portion of circle a.
FIG. 4 is a schematic view of a drive shaft assembly, a shaft sleeve and an electric vehicle power-assisted motor.
Fig. 5 is a perspective view of the stator.
Fig. 6 is a schematic view of another angle of the stator.
Fig. 7 is a schematic cross-sectional view of the stator taken along line C-C of fig. 6.
Fig. 8 is a schematic structural view of the rotor.
Fig. 9 is a schematic view of another angle of the rotor.
Fig. 10 is a structural schematic diagram of a first split body of the shell.
Fig. 11 is a schematic view of the first split of the housing at another angle.
[ detailed description ] embodiments
The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, which are included to illustrate and not to limit the scope of the invention.
As shown in fig. 1 and 2, the electric vehicle of the present invention includes a frame, a front wheel and a rear wheel mounted on the frame, a driving shaft assembly mounted in the middle of the frame, a battery 10 mounted on the frame, a sprocket connected to the driving shaft assembly, a chain connecting the sprocket and the rear wheel, a first pedal 96, a second pedal 97, an electric vehicle power-assisted motor 17, and a wheel brake. The frame is provided with a bushing 78 for mounting the drive shaft assembly.
Referring to fig. 2 and 3, the driving shaft assembly includes a driving shaft sleeve 7 and a driving shaft 8 capable of rotating relative to the driving shaft sleeve 7. The driving shaft assembly is arranged in the shaft sleeve 78, the driving shaft sleeve 7 is sleeved in the shaft sleeve 78, two ends of the driving shaft 8 respectively protrude out of the shaft sleeve 78, one end of the driving shaft 8 is used for connecting a chain wheel and a first pedal 96, and the other end of the driving shaft is used for connecting an electric vehicle power-assisted motor and a second pedal 97.
Referring to fig. 3 and 4, the electric vehicle power assisting motor 17 includes a stator 1, a rotor 2, a bearing 3, and a housing. The housing comprises a first sub-body 4 and a second sub-body 6. The first sub-body 4 is provided with a connector for connecting the second pedal 97. The second section 6 is provided with a through hole 20 to which the bearing 3 can be fitted. In this embodiment, the second step 97 is provided on the first section 4, but in other embodiments, the second step 97 may be provided on the second section 6 via a connecting member. The shell adopts the mode of two components of a whole that can function independently, conveniently unpacks first components of a whole that can function independently 4 and second components of a whole that can function independently 6 in order to carry out maintenance to electric motor car helping hand motor 17.
Referring to fig. 5, 6 and 7, the stator 1 includes a coil winding body 18 and an extension body 9 disposed on the coil winding body 18. The coil winding body 18 of the stator 1 is provided with a first recess 21. The extension body 9 is provided with a shaft hole 24 penetrating the first groove 21. The extension body 9 includes a bearing mounting portion 19 and a connecting portion 16 extending from the bearing mounting portion 19 for connecting to the vehicle body, wherein the bearing mounting portion 19 is used for fixedly mounting the bearing 3.
Referring to fig. 8 and 9, the rotor 2 includes a rotor inner ring body 113, a rotor outer ring body 112, and a sidewall body 114 connecting the rotor inner ring body 113 and the rotor outer ring body 112, wherein the rotor inner ring body 113 is provided with a second groove 22.
Referring to fig. 10 and 11, the first split body 4 of the housing includes a housing inner ring body 12, a housing outer ring body 125, and a housing connecting body 126, where the housing connecting body 126 is used to connect the housing inner ring body 12 and the housing outer ring body 125, and the housing inner ring body 12 is provided with a third groove 23.
Referring to fig. 2 and 3, when the stator 1, the rotor 2 and the housing are assembled, the rotor inner ring body 113 is disposed in the first groove 21 of the stator 1, and the rotor outer ring body 112 is sleeved outside the coil winding body 18. The first sub-body 4 of the housing is sleeved outside the rotor 2, the inner ring body 12 of the housing is positioned in the second groove 22, and the rotor sidewall body 114 is fixedly connected with the housing connecting body 126. The second sub-body 6 of the housing is fixedly connected to the first sub-body 4, and the extension 9 of the stator 1 penetrates through the through hole 20 and protrudes out of the second sub-body 6. The inner ring of the bearing 3 is sleeved on the bearing mounting part 19, and the outer ring of the bearing 3 is mounted in the through hole 20. After assembly, the connecting part 16 of the extension body 9 protrudes out of the outer side of the shell, so that the power-assisted motor of the electric vehicle can be conveniently installed on the vehicle body.
In this embodiment, the connecting portion 16 is provided with an external thread, the shaft sleeve 78 is provided with an internal thread, when the power assisting motor of the electric vehicle is assembled on the vehicle body, the connecting portion 16 is connected with the shaft sleeve 78 through the thread, the driving shaft 8 extends into the shaft hole 24 and is fixedly connected with the rotor 2 through a bolt, the driving shaft 8 is provided with a hole, the hole is provided with the internal thread, the second groove 22 is communicated with the shaft hole 24, the third groove 23 is communicated with the shaft hole 24, and the bolt penetrates through the inner ring body 12 of the housing and the inner ring body 113 of the rotor to be fixedly connected with the hole of the driving shaft 8, so that the housing, the rotor 2 and the driving shaft 8 are fixedly connected. So set up for the shell can drive rotor 2 and drive shaft 8 and rotate, and the convenience is dismantled rotor 2 with the maintenance from drive shaft 8.
The electric vehicle also comprises a first sensor for detecting the rotating speed of the rotor or the rotating speed of the shell, a second sensor for detecting the rotating speed of the wheel and a motor controller, wherein when the first sensor detects the rotating acceleration of the rotor or the shell, the motor controller controls the boosting motor to accelerate, and when the second sensor detects the deceleration of the wheel, the motor controller controls the boosting motor to decelerate. The first sensor may be a sensor capable of detecting a rotation signal, such as a hall sensor. The second sensor may be a sensor capable of detecting a change in rotational speed.
When riding, a rider steps on the pedal plate, and the pedal plate drives the rotor or the shell to rotate; the first sensor detects the rotation information of the rotor or the shell and transmits the rotation information to the motor controller to control the power-assisted motor of the electric vehicle to rotate; the electric vehicle power-assisted motor drives the wheels to rotate, and the electric vehicle accelerates. When the electric vehicle is stopped and decelerated, the wheels are controlled to decelerate through braking, the second sensor detects the deceleration information of the wheels and then transmits the deceleration information to the motor controller, and the motor controller controls the power-assisted motor of the electric vehicle to decelerate.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the concept and the protection scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an electric motor car helping hand motor which characterized in that: the motor comprises a stator, a rotor and a shell, wherein the rotor is fixedly connected with a driving shaft of an electric vehicle, the stator comprises a coil winding body and an extension body arranged on the coil winding body, the rotor is sleeved outside the coil winding body, the shell is fixedly connected with the rotor, the shell is provided with a through hole, the extension body penetrates through the through hole and protrudes out of the shell, the extension body comprises a bearing installation part and a connecting part which extends from the bearing installation part and is used for being connected to a vehicle body, a bearing is installed on the bearing installation part, and the bearing is installed in the through hole;
the coil winding body is provided with a first groove, the extension body is provided with a shaft hole communicated with the first groove, the rotor comprises a rotor inner ring body positioned in the first groove, a rotor outer ring body positioned on the outer side of the coil winding body and a side wall body connecting the rotor inner ring body and the rotor outer ring body, the rotor inner ring body is provided with a second groove, and the second groove is communicated with the shaft hole;
the shell comprises a shell inner ring body located in the second groove, a third groove is formed in the shell inner ring body, and the third groove is communicated with the shaft hole.
2. The power assisting motor for electric vehicles as claimed in claim 1, wherein a foot pedal is provided on the housing.
3. An electric vehicle power assisting motor as claimed in claim 1, wherein the housing comprises a first split body and a second split body connected to the first split body, the first split body comprises the housing inner ring body, the housing outer ring body located outside the rotor outer ring body, and a housing connecting body connecting the housing inner ring body and the housing outer ring body, and the through hole is formed in the second split body.
4. An electric vehicle assist motor as in claim 3, wherein the outer rotor ring is fixedly connected to the first split body of the housing.
5. An electric vehicle power-assisted motor as claimed in claim 4, wherein a foot pedal is provided on the first split body.
6. An electric vehicle, characterized in that: the electric vehicle power-assisted motor comprises an electric vehicle power-assisted motor as claimed in any one of claims 1 to 5, a vehicle frame and a driving shaft assembly mounted on the vehicle frame, wherein the vehicle frame is provided with a shaft sleeve, the driving shaft assembly comprises a driving shaft sleeve and a driving shaft capable of rotating relative to the driving shaft sleeve, the driving shaft assembly is mounted in the shaft sleeve, the connecting part of the extension body is mounted between the driving shaft assembly and the shaft sleeve, the driving shaft assembly extends into the shaft hole, and the driving shaft is fixedly connected with a rotor.
7. The electric vehicle of claim 6, wherein: the driving shaft is fixedly connected with the rotor through a connecting piece which passes through the third groove and is connected to the driving shaft.
8. The electric vehicle of claim 7, wherein: the power-assisted motor control system comprises a first sensor for detecting the rotating speed of a rotor or a shell, a second sensor for detecting the rotating speed of a wheel and a motor controller, wherein when the first sensor detects that the rotor or the shell rotates and accelerates, the motor controller controls the power-assisted motor to accelerate, and when the second sensor detects that the wheel decelerates, the motor controller controls the power-assisted motor to decelerate.
9. A control method of an electric vehicle according to claim 8, characterized in that: treading the pedal to drive the rotor or the shell to rotate; the first sensor detects the rotation information of the rotor or the shell and transmits the rotation information to the motor controller to control the power-assisted motor of the electric vehicle to rotate; the electric vehicle power-assisted motor drives the wheels to rotate, and the electric vehicle accelerates.
10. The control method of an electric vehicle according to claim 9, characterized in that: the wheel is controlled to decelerate through braking, the second sensor detects wheel deceleration information and transmits the information to the motor controller, and the motor controller controls the power-assisted motor of the electric vehicle to decelerate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220159.XA CN106741548B (en) | 2016-12-26 | 2016-12-26 | Electric vehicle power-assisted motor, electric vehicle and electric vehicle control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220159.XA CN106741548B (en) | 2016-12-26 | 2016-12-26 | Electric vehicle power-assisted motor, electric vehicle and electric vehicle control method |
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| Publication Number | Publication Date |
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| CN106741548A CN106741548A (en) | 2017-05-31 |
| CN106741548B true CN106741548B (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611220159.XA Active CN106741548B (en) | 2016-12-26 | 2016-12-26 | Electric vehicle power-assisted motor, electric vehicle and electric vehicle control method |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206456501U (en) * | 2016-12-26 | 2017-09-01 | 常州摩本智能科技有限公司 | Electric car and electric motor car power assisting motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110144841A1 (en) * | 2009-12-16 | 2011-06-16 | Murray Ruben | Electronic bike integrated supplemental motor system |
| DE102010026404A1 (en) * | 2010-07-07 | 2012-01-12 | Schaeffler Technologies Gmbh & Co. Kg | Electric auxiliary drive motor for a bicycle |
| US8919478B2 (en) * | 2013-04-10 | 2014-12-30 | Shimano Inc. | Bicycle drive unit |
| DE102014110427A1 (en) * | 2014-07-24 | 2016-01-28 | Pendix Gmbh | Electric bicycle auxiliary drive |
| CN204383714U (en) * | 2014-12-23 | 2015-06-10 | 吴祥俊 | Tread motor actuating unit and Electrical Bicycle thereof |
| CN104753310B (en) * | 2015-04-06 | 2017-03-01 | 山东交通学院 | A kind of self-excitation type retarding device and its control method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206456501U (en) * | 2016-12-26 | 2017-09-01 | 常州摩本智能科技有限公司 | Electric car and electric motor car power assisting motor |
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| CN106741548A (en) | 2017-05-31 |
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