CN207819692U - A kind of servo wheel hub motor - Google Patents
A kind of servo wheel hub motor Download PDFInfo
- Publication number
- CN207819692U CN207819692U CN201820172736.0U CN201820172736U CN207819692U CN 207819692 U CN207819692 U CN 207819692U CN 201820172736 U CN201820172736 U CN 201820172736U CN 207819692 U CN207819692 U CN 207819692U
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- wheel hub
- hub motor
- chamber
- shaft core
- fixed
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Abstract
The utility model discloses a kind of servo wheel hub motors comprising has rotor assembly；Stator module is set within the rotor assembly；Drive end bearing bracket is fixed at the front end face of the rotor assembly；Rear end cap, it is fixed at the rear end face of the rotor assembly, it corresponds to the end of shaft core in the stator module and is formed with a chamber resettling, and the chamber resettling includes a first chamber for housing the shaft core end and the second chamber on the inside of the first chamber；Encoder, including multistage magnet steel and magnetoelectric transducer, the multistage magnet steel is fixed in the second chamber, the magnetoelectric transducer is fixed on the end of the shaft core, and it is corresponding with the multistage magnet steel, the signal wire on the magnetoelectric transducer is connected to the output signal line in stator module to export detection signal.It is installed for encoder inside the servo wheel hub motor of the utility model so that when servo wheel hub motor works, be installed on the encoder inside servo wheel hub motor and work.
Description
Technical field
The utility model is related to technical field of motors, relate more specifically to a kind of servo wheel hub motor.
Background technology
Wheel hub motor technology is also referred to as wheel inner electric machine technology, its maximum feature is exactly by power plant, transmission
Device and control device all integrate in wheel hub, are able to the mechanical part of electric vehicle is greatly simplified.Wheel hub motor drives
Dynamic system is broadly divided into two kinds of structure types according to the rotor configurations of motor：Inner-rotor-type and external-rotor-type.
And common electric rotating machine with encoder is internal rotor at present, by the rotating part and motor of encoder when use
Rotary shaft is connected, and as shaft core rotates together, stator, that is, casing part of encoder is connected with motor stator casing, i.e., whole
A encoder is assemblied in outside motor.And the characteristics of outer rotor hub motor is shaft core does not rotate, motor body i.e. shell
Encoder, can not be installed connection by rotation outside motor rotation case.
In consideration of it, the servo wheel hub motor that it is necessary to provide a kind of inside to install for encoder is to solve drawbacks described above.
Utility model content
The technical problem to be solved by the utility model is to provide the servo wheel hub electricity that a kind of inside is installed for encoder
Machine.
In order to solve the above technical problems, the utility model provides a kind of servo wheel hub motor, the servo wheel hub motor packet
It has included：
Rotor assembly；
Stator module is set within the rotor assembly；
Drive end bearing bracket is fixed at the front end face of the rotor assembly；
Rear end cap is fixed at the rear end face of the rotor assembly, corresponds to the end of shaft core in the stator module
Place is formed with a chamber resettling, and the chamber resettling includes a first chamber for housing the shaft core end and is located at institute
State the second chamber on the inside of first chamber；
Encoder, including multistage magnet steel and magnetoelectric transducer, the multistage magnet steel is fixed in the second chamber, described
Magnetoelectric transducer is fixed on the end of the shaft core, and corresponding with the multistage magnet steel, the signal on the magnetoelectric transducer
Line is connected to the output signal line in stator module to export detection signal.
Its further technical solution is：It is provided with one in the chamber resettling, the encoder is accommodated in electromagnetism therein
Shielding case.
Its further technical solution is：The electro-magnetic shielding cover includes rounded first top surface and from first top
The circular ring shape side wall that face edge extends downwardly, first top surface middle outwardly convex are formed with one first column,
First column is internally provided with one first circular hole, and the shaft core end set is in the circular ring shape side wall, the multistage
Magnet steel is fixed in first circular hole.
Its further technical solution is：The servo wheel hub motor further includes having bushing, and the bushing is fixedly installed in institute
It states in second chamber, which is equipped with one second circular hole, and the multistage magnet steel is installed in second circular hole.
Its further technical solution is：The bushing is made of copper, aluminium or plastics.
Its further technical solution is：The rotor assembly includes wheel hub and rotor magnetic steel, and the rotor magnetic steel is set
In on the wheel hub inner peripheral surface, the stator module is set on the inside of the rotor magnetic steel, and the rear end cap and drive end bearing bracket are solid respectively
At the rear end face and front end face of the wheel hub.
Its further technical solution is：A non-inflatable tyre is installed on the hub periphery face.
Its further technical solution is：The stator module includes stator core, upper bearing (metal), lower bearing and shaft core, institute
It states stator core to be set in rotor assembly, multiple equally distributed stator salient poles is formed on the stator core peripheral surface, often
Coil is wound in a stator salient poles, the shaft core sequentially passes through upper bearing (metal), stator core, lower bearing and drive end bearing bracket,
And the upper bearing (metal) is fixed in the shaft core, the shaft core rear end is fixed with an installation for installing the magnetoelectric transducer
Disk, and the shaft core side offers an axial wire lead slot penetrated for the signal wire on magnetoelectric transducer, the other side offers
One fairlead worn for output signal line.
Its further technical solution is：The rear end cap and drive end bearing bracket are fixedly installed in the rotor assembly by screw
Two end faces.
Compared with prior art, it is installed for encoder inside the servo wheel hub motor of the application, i.e. the servo of the application
The magnetoelectric transducer of encoder is installed on the end of shaft core in the stator module by wheel hub motor, and rear end cap corresponds to the axis
The end of core is formed with a chamber resettling, the chamber resettling include one for house the shaft core end first chamber and
The multistage magnet steel correspondence of encoder is fixed in the second chamber by the second chamber on the inside of the first chamber, and
Signal wire on the magnetoelectric transducer is connected to the output signal line in stator module to export detection signal, so as to compile
Inside code device reasonable installation to motor, when servo wheel hub motor works, rotor assembly rotation is installed in servo wheel hub motor
The encoder in portion works, i.e., the described multistage magnet steel follows the rotor assembly to rotate, the angle of the multistage magnet steel of magnetoelectric transducer induction
Change in location is spent, and is converted into position detection signal and is exported to peripheral control unit by signal wire.
Description of the drawings
Fig. 1 is the decomposition texture schematic diagram of one specific embodiment of the application servo wheel hub motor.
Fig. 2 is the dimensional structure diagram after the assembling of servo wheel hub motor shown in Fig. 1.
Fig. 3 be servo wheel hub motor shown in Fig. 2 A-A to schematic cross-sectional view.
Fig. 4 is that the right side of servo wheel hub motor shown in Fig. 2 regards schematic diagram.
Specific implementation mode
To make those skilled in the art that the purpose of this utility model, technical solution and excellent be more clearly understood
Point is further elaborated the utility model below in conjunction with drawings and examples.
Referring to figs. 1 to Fig. 4, Fig. 1 to Fig. 4 illustrates a specific embodiment of the application servo wheel hub motor 10.In attached drawing
Shown in embodiment, the servo wheel hub motor 10 includes rear end cap 100, stator module 200, rotor assembly 300, front end
Lid 400 and encoder 500, the stator module 200 are set within the rotor assembly 300, and the drive end bearing bracket 400 is fixed
At the front end face of the rotor assembly 300；The rear end cap 100 is fixed at the rear end face of the rotor assembly 300, right
The end of shaft core 204 is formed with a chamber resettling in stator module 200 described in Ying Yu, and the chamber resettling includes one to be used for
The first chamber 102 and the second chamber 103 on the inside of the first chamber 102 of accommodating 204 end of the shaft core；The volume
Code device 500 includes multistage magnet steel 501 and magnetoelectric transducer, and the magnetoelectric transducer is installed on a wiring board 502, described more
Grade magnet steel 501 is fixed in the second chamber 103, and the wiring board 502 is fixed on the end of the shaft core 204, and solid
, the signal wire magnetoelectric transducer on corresponding with the multistage magnet steel 501 due to the magnetoelectric transducer on the wiring board 502
503 are connected to the output signal line in stator module 200 to export detection signal.It, can be by encoder 500 based on the design
Inside reasonable installation to motor 10 so that when servo wheel hub motor 10 works, the volume that is installed on inside servo wheel hub motor 10
Code device 500 works, i.e., when rotor assembly 300 rotates, because rear end cap 100 is fixed on the rotor assembly 300, then and multistage magnet steel
501 follow the rotor assembly 300 to rotate, the change in angular position of magnetoelectric transducer induction multistage magnet steel 501, and are converted into position
It sets detection signal and passes through the output of signal wire 503 to peripheral control unit so that peripheral control unit obtains high-precision servo wheel hub electricity
The working order of machine 10, to be conducive to accurately control to servo wheel hub motor 10.
In the embodiment shown in the figures, the rotor assembly 300 includes wheel hub 301 and rotor magnetic steel 302, described
Rotor magnetic steel 302 is set on 301 inner peripheral surface of the wheel hub, and the stator module 200 is set to 302 inside of the rotor magnetic steel, institute
It states rear end cap 100 and drive end bearing bracket 400 is fixed on by screw at the rear end face and front end face of the wheel hub 301 respectively, and is described
One non-inflatable tyre 303 is installed on 301 peripheral surface of wheel hub.
With continued reference to Fig. 3, Fig. 3 acceptances of the bid show output signal line 800.In certain embodiments, the stator module 200
Include stator core 201, upper bearing (metal) 202, lower bearing 203 and shaft core 204, the stator core 201 is set to rotor assembly
In 300, i.e., stator core 201 is set to 302 inside of rotor magnetic steel, and multiple uniform points are formed on 201 peripheral surface of stator core
The stator salient poles 207 of cloth are each wound with coil 208 in the stator salient poles 207, and the shaft core 204 sequentially passes through upper bearing (metal)
202, stator core 201, lower bearing 203 and drive end bearing bracket 400, and the upper bearing (metal) 202 is fixed in the shaft core 204, it is described
204 rear end of shaft core is fixed with a mounting disc 206 for installing the wiring board 502, and 204 side of shaft core offers one
The axial wire lead slot 205 penetrated for the signal wire 503 on magnetoelectric transducer, the other side offers one for output signal line 800
The fairlead 209 worn, the mounting disc 206 and upper bearing (metal) 202 are respectively positioned in the first chamber 102.In the present embodiment, institute
It states signal wire 503 to penetrate into stator module 200 from wire lead slot 205, be correspondingly connected with output signal line 800, and the output
Signal wire 800 includes three phase lines 801 being connect with stator winding and is correspondingly connected with the signal wire 503 on magnetoelectric transducer
The first output signal line 802.
Preferably, in the present embodiment, the middle of the drive end bearing bracket 400 is formed with the accommodating sky of an accommodating lower bearing 203
Between 401, the mounting means of the lower bearing 203 and accommodating space 401 is tight fit installation, the mounting means with shaft core 204
For clearance fit, the upper bearing (metal) 202 and the mounting means of mounting disc 206 and the shaft core 204 are tight fit installation, described
Upper bearing (metal) 202 and the mounting means of the first chamber 102 are clearance fit, i.e., upper bearing (metal) 202 and lower bearing 203 in the application
Outer shroud follow rotor assembly 300 to rotate, and its inner ring does not rotate.
In certain embodiments, the servo wheel hub motor 10 further includes having one encoder 500 is accommodated in electricity therein
Magnetic shielding cover 600 and bushing 700, the electro-magnetic shielding cover 600 are set in chamber resettling comprising have one rounded first
Top surface 601 and the circular ring shape side wall 602 extended downwardly from 601 edge of the first top surface, among first top surface 601
Place's outwardly convex is formed with one first column 603, and first column 603 is internally provided with one first circular hole；Wherein, described
The first column 603 in electro-magnetic shielding cover 60 is set in the second chamber 103, first top surface 601 and annulus
Shape side wall 602 is set in the first chamber 102；The bushing 700 is fixedly installed in first circular hole, the bushing
700 are internally provided with one second circular hole, and the multistage magnet steel 501, which is adhesively fixed, to be installed in second circular hole；The stator module
Upper bearing (metal) 202 in 200 is located in the first chamber 102, and the mounting disc being installed in 200 rear end of the stator module
206 and the magnetoelectric transducer that is installed in the mounting disc 206 be located in the circular ring shape side wall 602.In the present embodiment, the lining
Set 700 is made of copper, aluminium or plastics, and in some other embodiments, which can be used other non-magnet materials
It is made.Preferably, in the present embodiment, 600 tight fit of the electro-magnetic shielding cover is pressed into the chamber resettling, the bushing
700 also tight fit be pressed into first circular hole.Based on the design of electro-magnetic shielding cover 600,10 external electromagnetic of maskable motor
Interference of the signal to encoder 500.
The installation process of the servo wheel hub motor 10 is described in detail below：
First, 204 tight fit of shaft core is pressed into stator core 201, and 202 tight fit of upper bearing (metal) is pressed into described
In shaft core 204, a mounting disc 206, and the wiring board that magnetoelectric transducer will be equipped with is fixedly mounted in the rear end of shaft core 204
501 are installed by screw to mounting disc 206, and by wire lead slot 205 of the signal wire 503 on magnetoelectric transducer through shaft core 204
It penetrates in stator module 200, output signal line 800 is penetrated from one end of fairlead 209, and is pierced by stator pack through the other end
In part 200, three phase lines 801 are connect with stator winding, the first output signal line 802 is correspondingly connected on magnetoelectric transducer
Signal wire 503；Then, 203 tight fit of lower bearing is pressed into the accommodating space 401 of drive end bearing bracket 400；By electro-magnetic shielding cover
600 tight fits are pressed into the chamber resettling of rear end cap 100, and 700 tight fit of bushing is pressed into the of electro-magnetic shielding cover 600
In one circular hole, and multistage magnet steel 501 is bonded on bushing 700；Shaft core 204, upper bearing (metal) 202 and circuit will be finally installed
In the installation to rotor assembly 300 of stator core 201 of plate 501, then assembly is equipped with the drive end bearing bracket 400 of lower bearing 203, refills
Drive end bearing bracket 400 and rear end cap 100 are fixed in the both ends of the surface of rotor assembly 300 with rear end cap 100, and by screw, so far,
The assembly of motor 10 is completed.
In conclusion being installed for encoder inside the servo wheel hub motor of the application, i.e. the servo wheel hub of the application is electric
The magnetoelectric transducer of encoder is installed on the end of shaft core in the stator module by machine, and rear end cap corresponds to the end of the shaft core
A chamber resettling is formed at portion, the chamber resettling include one for house the shaft core end first chamber and be located at institute
The second chamber on the inside of first chamber is stated, the multistage magnet steel correspondence of encoder is fixed in the second chamber, and the magnetic
Signal wire on electric transducer is connected to the output signal line in stator module to export detection signal, so as to close encoder
Reason is installed to inside motor, when servo wheel hub motor works, rotor assembly rotation, and the volume being installed on inside servo wheel hub motor
Code device work, i.e., the described multistage magnet steel follow the rotor assembly to rotate, the angle position of the multistage magnet steel of magnetoelectric transducer induction
Variation, and be converted into position detection signal and exported to peripheral control unit by signal wire.
The above is only the preferred embodiment of the present invention, rather than does limit in any form to the utility model
System.Those skilled in the art can impose various equivalent changes and improvement on the basis of the above embodiments, all to be wanted in right
The equivalent variations done in range or modification are asked, should fall within the protection scope of this utility model.
Claims (9)
1. a kind of servo wheel hub motor, which is characterized in that the servo wheel hub motor includes：
Rotor assembly；
Stator module is set within the rotor assembly；
Drive end bearing bracket is fixed at the front end face of the rotor assembly；
Rear end cap is fixed at the rear end face of the rotor assembly, corresponds to the end shape of shaft core in the stator module
Cheng Youyi chamber resettling, the chamber resettling include a first chamber for housing the shaft core end and positioned at described the
Second chamber on the inside of one chamber；
Encoder, including multistage magnet steel and magnetoelectric transducer, the multistage magnet steel are fixed in the second chamber, the magnetoelectricity
Sensor is fixed on the end of the shaft core, and corresponding with the multistage magnet steel, and the signal wire on the magnetoelectric transducer connects
The output signal line in stator module is connected to export detection signal.
2. servo wheel hub motor as described in claim 1, it is characterised in that：One is provided in the chamber resettling by the volume
Code device is accommodated in electro-magnetic shielding cover therein.
3. servo wheel hub motor as claimed in claim 2, it is characterised in that：The shielding case includes a first rounded top
Face and the circular ring shape side wall extended downwardly from first top edge, first top surface middle outwardly convex are formed
There are one first column, first column to be internally provided with one first circular hole, the shaft core end set is in the circular ring shape
In side wall, the multistage magnet steel is fixed in first circular hole.
4. servo wheel hub motor as described in claim 1, it is characterised in that：The servo wheel hub motor further includes having bushing,
The bushing is fixedly installed in the second chamber, which is equipped with one second circular hole, and the multistage magnet steel is installed on
In second circular hole.
5. servo wheel hub motor as claimed in claim 4, it is characterised in that：The bushing is made of copper, aluminium or plastics.
6. servo wheel hub motor as described in claim 1, it is characterised in that：The rotor assembly includes wheel hub and rotor
Magnet steel, the rotor magnetic steel are set on the wheel hub inner peripheral surface, and the stator module is set on the inside of the rotor magnetic steel, after described
End cap and drive end bearing bracket are individually fixed at the rear end face and front end face of the wheel hub.
7. servo wheel hub motor as claimed in claim 6, it is characterised in that：One is equipped on the hub periphery face to exempt to inflate
Tire.
8. servo wheel hub motor as described in claim 1, it is characterised in that：The stator module include stator core, on
Bearing, lower bearing and shaft core, the stator core are set in rotor assembly, are formed on the stator core peripheral surface multiple equal
The stator salient poles of even distribution are each wound with coil in the stator salient poles, and the shaft core sequentially passes through upper bearing (metal), stator iron
Core, lower bearing and drive end bearing bracket, and the upper bearing (metal) is fixed in the shaft core, the shaft core rear end is fixed with one for installing
The mounting disc of the magnetoelectric transducer, and the shaft core side offers one and axial is penetrated for the signal wire on magnetoelectric transducer
Wire lead slot, the other side offer a fairlead worn for output signal line.
9. servo wheel hub motor as described in claim 1, it is characterised in that：The rear end cap and drive end bearing bracket are fixed by screw
It is installed on the two end faces of the rotor assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820172736.0U CN207819692U (en) | 2018-01-31 | 2018-01-31 | A kind of servo wheel hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820172736.0U CN207819692U (en) | 2018-01-31 | 2018-01-31 | A kind of servo wheel hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207819692U true CN207819692U (en) | 2018-09-04 |
Family
ID=63322731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820172736.0U Active CN207819692U (en) | 2018-01-31 | 2018-01-31 | A kind of servo wheel hub motor |
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| Country | Link |
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| CN (1) | CN207819692U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199538A (en) * | 2018-01-31 | 2018-06-22 | 东昌电机(深圳)有限公司 | A kind of servo wheel hub motor |
| CN110855088A (en) * | 2019-12-04 | 2020-02-28 | 深圳中菱科技有限公司 | Magnetic encoding sensor outer rotor motor and assembling method thereof |
| CN112928857A (en) * | 2021-02-26 | 2021-06-08 | 秦皇岛信能能源设备有限公司 | Wheel hub motor and car of duplex bearing structure |
-
2018
- 2018-01-31 CN CN201820172736.0U patent/CN207819692U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199538A (en) * | 2018-01-31 | 2018-06-22 | 东昌电机(深圳)有限公司 | A kind of servo wheel hub motor |
| CN110855088A (en) * | 2019-12-04 | 2020-02-28 | 深圳中菱科技有限公司 | Magnetic encoding sensor outer rotor motor and assembling method thereof |
| CN112928857A (en) * | 2021-02-26 | 2021-06-08 | 秦皇岛信能能源设备有限公司 | Wheel hub motor and car of duplex bearing structure |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200225 Address after: 518000 Guangtian green decoration industrial base Park, building 2, No. 86 Xiangyang Road, Yanchuan community, Yanluo street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Dongxingchang Technology (Shenzhen) Co., Ltd Address before: 518000, Shenzhen, Guangdong, Baoan District manhole street, Whampoa community, hung Tian Road, hung Tian, Jin Yuan Industrial Zone, building D, A24 third Patentee before: DONGCHANG MOTOR (SHENZHEN) Co.,Ltd. |