CN206620017U - A kind of high-precision hub motor structure - Google Patents
A kind of high-precision hub motor structure Download PDFInfo
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- CN206620017U CN206620017U CN201720145381.1U CN201720145381U CN206620017U CN 206620017 U CN206620017 U CN 206620017U CN 201720145381 U CN201720145381 U CN 201720145381U CN 206620017 U CN206620017 U CN 206620017U
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- hub motor
- magnet ring
- end cap
- motor shaft
- signal
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Abstract
The utility model is related to a kind of high-precision hub motor structure of application site detection means, including motor shaft and is set in stator thereon, and rotor is arranged with outside stator；The rear and front end of the rotor is fixed on motor shaft by the first end cap, the second end cap, clutch shaft bearing, second bearing rotation respectively；The motor-shaft extending forms long end for the first end cap；The first end outer side of lid sets fluted with motor shaft contact position, and the motor shaft is passed through at groove center line position；Magnet ring is provided with the groove；The magnet ring is correspondingly arranged on signal supervisory instrument, and the detection signal transmission of the signal supervisory instrument is handled with signal processing apparatus, and the signal processing apparatus is mechanically mounted on the wheel hub motor.The design of the utility model scenario-frame is simple, installs and realizes easy, accuracy is high, and difficulty is realized in the accurate control for simplifying wheel hub motor, the significantly high scope of application of wheel hub motor.
Description
Technical field
The utility model is related to a kind of high-precision wheel hub motor, more particularly to a kind of high accuracy of application site detection means
Hub motor structure.
Background technology
The characteristics of wheel hub motor technology is also known as wheel inner electric machine technology, its maximum is exactly by power, transmission and braked
Device is all incorporated into wheel hub, therefore the mechanical part of electric vehicle is greatly simplified.Because wheel hub motor possesses single wheel
The characteristic of independent driving, either forerunner, rear-guard or 4 wheel driven form, he can easily be realized by left and right wheels, full-time
4 wheel driven implements very easy on the vehicle of In-wheel motor driving；Wheel hub motor can be turned by the difference of left and right wheels simultaneously
The differential steering of similar caterpillar is realized in speed even reversion, greatly reduces the radius of turn of vehicle, several under special circumstances
Pivot stud can be realized, it is very valuable for special vehicle.
With economic development and the raising of living standards of the people, such as Moped Scooter, electrical salf-walking in urban transportation
The electric vehicles such as car, battery-operated motor cycle, small-sized electric car, electrocar, electric bus gradually rise.It is used as electronic vapour of new generation
The electric wheel truck of car is, it is necessary to improved critical component wheel hub motor, to improve performance and to reduce cost, and maximum journey
The scope of application of the lifting wheel hub motor of degree.
And the accurate control for wheel hub motor needs to use position detecting device in wheel hub motor, due to its structure and
The features such as use environment, realize that accurate control has many difficulties in practice, such as：Photoelectric type position detection means is because with glass
Glass is main material, and anti-vibration and impact capacity be not strong, therefore is not suitable for doing the position detecting device of wheel hub motor.Magneto-electric position
Photoelectric type position detection means can be overcome the shortcomings of by putting detection means, but traditional magneto-electric position detecting device measurement accuracy
Than relatively low, and it can only realize that increment is exported.
There is the scheme based on wheel hub motor installation site sensor on the market at present, but it is all more complicated not practical enough.
A kind of wheel hub motor and its electrodynamic balance car fed back with high precision velocity of patent 201520254054.0：Due to
Install complicated, destroy end face, detect that IC is extremely difficult and reach temperature range.It can not be realized in the case of end face integration；
The integrated hub motor of patent 200910137765.9：Complicated due to installing, end face cannot guarantee that integrality, and
And detection method is very complicated, and position detection signal line cabling needs run through whole motor shaft, and technique realizes complicated and difficulty
Greatly；
A kind of DC brushless motor with encoder of patent 201010175962.2：Installed in motor internal, technique is multiple
It is miscellaneous, detect that IC is extremely difficult and reach temperature range, realize that difficulty is very big.
Utility model content
The utility model proposes a kind of novel, simple, practical assembly method, go for any wheel hub electricity
Machine, substantially increases the scope of application of wheel hub motor, such as robot ambulation, SERVO CONTROL.
Content of the present utility model is：
A kind of high-precision hub motor structure, including motor shaft and stator thereon is set in, it is arranged with rotor outside stator；
The rear and front end of the rotor is fixed on motor shaft by the first end cap, the second end cap, clutch shaft bearing, second bearing rotation respectively
On；The motor-shaft extending forms long end for the first end cap；The first end outer side of lid is provided with recessed with motor shaft contact position
Groove, the motor shaft is passed through at groove center line position；Magnet ring is provided with the groove, the magnet ring can be with the first end cap
Around motor shaft rotation, the motor shaft is passed through at the magnet ring position of center line；The magnet ring is correspondingly arranged on signal inspection
Device is surveyed, the signal supervisory instrument is used to examine with the horizontal or vertical setting of the magnet ring noncontact, the signal supervisory instrument
Survey magnet ring signal and calculate magnet ring rotational angle position, the detection signal transmission of the signal supervisory instrument and signal processing apparatus
Handled, the signal processing apparatus is mechanically mounted on the wheel hub motor.
Preferably, the groove is set to be split type, is mechanically fixed and is connected with the first end cap；
Preferably, the position of center line pair of the signal supervisory instrument and the magnet ring inner ring lateral edges and outer shroud lateral edges
Answer installation settings；
Preferably, the magnet ring inner ring sleeve is on gum cover, and the gum cover, which is mechanically fixed, to be installed on motor shaft, the electricity
Arbor is passed through at the gum cover position of center line；
Preferably, machinery is provided with support at the long end, and the signal supervisory instrument is mechanically mounted on support；
Preferably, machinery is provided with and presented a theatrical performance as the last item on a programme at the long end, the signal supervisory instrument is mechanically mounted on present a theatrical performance as the last item on a programme on；
Preferably, wire hole is offered on the long end；
Preferably, first end cap and the second end cap material are aluminium alloy.
This high-precision hub motor structure design is simple, installs and realizes that easily, accuracy is high, simplifies the essence of wheel hub motor
Really difficulty is realized in control, the significantly high scope of application of wheel hub motor.Such a simple easy care of assembling mode, it is adaptable to any class
Type wheel hub motor, and another shell surface need not be destroyed, it is ensured that the uniformity of product appearance.
Brief description of the drawings
Fig. 1 is high-precision hub motor structure schematic diagram；
Fig. 2 is high-precision hub motor structure magnet ring and signal supervisory instrument schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
As shown in Figure 1, 2, a kind of high-precision hub motor structure, including motor shaft 01 and stator 02 thereon is set in,
Rotor 03 is arranged with outside stator 02；The rear and front end of the rotor 03 passes through the first end cap 07, the second end cap 04, first axle respectively
The rotation of 06, second bearing 05 is held to be fixed on motor shaft 01；The motor shaft 01 stretches out in the first end cap 07, forms long end 13；
The outside of first end cap 07 and the contact position of motor shaft 01 set fluted 08, and the motor shaft 01 is from the position of center line of groove 08
Place through；Magnet ring 14 is provided with the groove 08, the magnet ring 14 can rotate with the first end cap 07 around motor shaft 01, described
Motor shaft 01 is passed through at the position of center line of magnet ring 14；The magnet ring 14 is correspondingly arranged on signal supervisory instrument 10, typically
For contactless magnetic rotary encoder, such as AS5145, MA700, MHL200, the signal supervisory instrument 10 and the magnet ring 14
Noncontact is horizontal or vertical to be set, and the signal supervisory instrument 10 is used to detect the signal of magnet ring 14 and calculates magnet ring rotational angle position
Put, the detection signal transmission of the signal supervisory instrument 14 is handled with signal processing apparatus (not shown), at the signal
Reason device (not shown) is mechanically mounted on the wheel hub motor.
First end cap 07 with the second end cap 04 mainly for wheel hub motor stator and rotor are fixed, first axle
06, second bearing 05 is held mainly for easy for installation, is rotated beneficial to rotor around stator；The groove can cover for first end
Integrated technique processing sets up, or can also be separately provided and be mechanically anchored on the first end cap 07；The shape of the groove 08
For circle, the magnet ring 14 that correspondence is embedded in the groove 08 is also circle, 14 points N, S grades of the magnet ring, in the magnet ring 14
Ring set is on the gum cover 09, and the gum cover 09, which is mechanically fixed, to be installed on motor shaft 01, and the motor shaft 01 is from the gum cover 09
Passed through at position of center line, gum cover is specially garment bag in actual use, and the purpose so set is in order that magnet ring 14 is steady
Dingan County is filled, and is prevented in use due to shaking or the factor such as motion causes that magnet ring 14 comes off or position changes；Institute
The corresponding installation settings of position of center line of signal supervisory instrument 10 and the inner ring lateral edges of magnet ring 14 and outer shroud lateral edges is stated, i.e.,
The inner ring lateral edges of magnet ring 14 are the signal detection position of actual signal detection means 10, institute with outer rim side edge center line position
The installation site and the inner ring lateral edges of magnet ring 14 and outer rim side edge center line position for stating signal supervisory instrument 10 are correspondingly arranged,
In actual use, the size of the signal supervisory instrument is preferably arranged to 5*5mm sizes；Machinery is provided with branch at the long end 13
Frame (not shown) presents a theatrical performance as the last item on a programme 11,12, and the signal supervisory instrument 10 is mechanically mounted on support (not shown) or presents a theatrical performance as the last item on a programme 11,12
On, the support (not shown) or present a theatrical performance as the last item on a programme 11,12 is matched somebody with somebody for the wheel hub motor for the ease of the auxiliary required for installing and using
Part；For ease of the cabling of signal supervisory instrument 10, cabling channel (not shown), the cabling channel diameter are offered on the motor shaft 01
It is traditionally arranged to be 3mm top/bottom latitudes.The material of first end cap and the second end cap is aluminium alloy.
Assembling rear magnet ring will follow the first end cap to rotate, and then produce relative motion with signal supervisory instrument, this
Sample signal supervisory instrument can just go out the absolute position of magnet ring magnetic field signal and wheel hub motor rotor rotational angle by magnetic field induction
(depending on the working method of signal supervisory instrument, such as Fig. 2) is put, so as to accurately control wheel hub motor.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that this is confined to these explanations using new embodiment.For the common of the utility model art
For technical staff, some equivalent substitutes or substantially deformation, Er Qiexing are made without departing from the concept of the premise utility
Energy or purposes are identical, are regarded as the scope of patent protection that the utility model is determined by the claims submitted.
Claims (8)
1. a kind of high-precision hub motor structure, it is characterised in that：Including motor shaft and stator thereon is set in, stator overcoat
Provided with rotor；The rear and front end of the rotor is rotated solid by the first end cap, the second end cap, clutch shaft bearing, second bearing respectively
It is scheduled on motor shaft；The motor-shaft extending forms long end for the first end cap；The first end outer side of lid and motor shaft contact position
Set fluted, the motor shaft is passed through at groove center line position；It is provided with magnet ring in the groove, the magnet ring can be with
First end cap is rotated around motor shaft, and the motor shaft is passed through at the magnet ring position of center line；The magnet ring is correspondingly arranged
There are signal supervisory instrument, the signal supervisory instrument and the horizontal or vertical setting of the magnet ring noncontact, the signal detection dress
Put for detection magnetic ring signal and calculate magnet ring rotational angle position, the detection signal transmission of the signal supervisory instrument and signal
Processing unit is handled, and the signal processing apparatus is mechanically mounted on the wheel hub motor.
2. high accuracy hub motor structure as claimed in claim 1, it is characterised in that：The groove is set to be split type, with the
One end cap is mechanically fixed connection.
3. high accuracy hub motor structure as claimed in claim 1 or 2, it is characterised in that：The signal supervisory instrument with it is described
Magnet ring inner ring lateral edges installation settings corresponding with the position of center line of outer shroud lateral edges.
4. high accuracy hub motor structure as claimed in claim 1 or 2, it is characterised in that：The magnet ring inner ring sleeve is located at gum cover
On, the gum cover, which is mechanically fixed, to be installed on motor shaft, and the motor shaft is passed through at the gum cover position of center line.
5. high accuracy hub motor structure as claimed in claim 1 or 2, it is characterised in that：Machinery is provided with branch at the long end
Frame, the signal supervisory instrument is mechanically mounted on support.
6. high accuracy hub motor structure as claimed in claim 1 or 2, it is characterised in that：Machinery is provided with pressure at the long end
Platform, the signal supervisory instrument is mechanically mounted on present a theatrical performance as the last item on a programme on.
7. high accuracy hub motor structure as claimed in claim 1 or 2, it is characterised in that：Wire hole is offered on the long end.
8. high accuracy hub motor structure as claimed in claim 1 or 2, it is characterised in that：First end cap and the second end cap
Material is aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720145381.1U CN206620017U (en) | 2017-02-17 | 2017-02-17 | A kind of high-precision hub motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720145381.1U CN206620017U (en) | 2017-02-17 | 2017-02-17 | A kind of high-precision hub motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206620017U true CN206620017U (en) | 2017-11-07 |
Family
ID=60230948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720145381.1U Active CN206620017U (en) | 2017-02-17 | 2017-02-17 | A kind of high-precision hub motor structure |
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| Country | Link |
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| CN (1) | CN206620017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849518A (en) * | 2017-02-17 | 2017-06-13 | 深圳市踏路科技有限公司 | A kind of high accuracy wheel hub motor |
-
2017
- 2017-02-17 CN CN201720145381.1U patent/CN206620017U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849518A (en) * | 2017-02-17 | 2017-06-13 | 深圳市踏路科技有限公司 | A kind of high accuracy wheel hub motor |
| CN106849518B (en) * | 2017-02-17 | 2020-06-05 | 深圳市踏路科技有限公司 | Calibration method for hub motor signal detection device |
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| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: 518000 1st floor, workshop beside Yousheng paper, Wenchuan Road, yingrenshi community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zhuoxing Semiconductor Technology Co.,Ltd. Address before: 518052 office 08, 2 / F, building 40, majialong Industrial Zone, Nanshan street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN TALUER TECHNOLOGY Co.,Ltd. |