CN204304712U - A kind of hub-type encoder motor - Google Patents
A kind of hub-type encoder motor Download PDFInfo
- Publication number
- CN204304712U CN204304712U CN201420780005.6U CN201420780005U CN204304712U CN 204304712 U CN204304712 U CN 204304712U CN 201420780005 U CN201420780005 U CN 201420780005U CN 204304712 U CN204304712 U CN 204304712U
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- encoder
- stator
- hub
- rotor
- end cap
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Abstract
A kind of hub-type encoder motor, the rotor comprising stator and rotate relative to stator, described rotor comprises outer wheel hub, permanent magnet, bearing and end cap, described end cap is connected with outer wheel hub, thus form the cavity that can place stator, permanent magnet is provided with inside described outer wheel hub, described end cap is connected with bearing, described stator comprises axle, support, silicon steel sheet and coil, described axle matches with bearing, and described support is fixedly connected with axle, and the cylindrical of described support is provided with silicon steel sheet, described silicon steel sheet is provided with line embedding groove, and described coil embeds in line embedding groove; Also comprise encoder assembly, described encoder assembly comprises one and is arranged on the two poles of the earth or multi-pole magnet-ring on end cap, is arranged on encoder on axle and corresponding with magnet ring and is located at the encoder shell on magnet ring and encoder.Accurately known the inflection point of rotor by encoder, be conducive to the running efficiency improving motor.
Description
Technical field
The utility model relates to a kind of hub-type encoder motor.
Background technology
At present, motor is the widely used and huge a kind of product that consumes energy of the upper every field of society, and how to improve the efficiency of motor, the energy consumption reducing motor becomes the direction of motor development.It is simple, reliable that magneto has structure; Volume is little, lightweight; Loss is little, efficiency is high, noise is little; The shape and size of motor such as easily can to change at the advantage, thus obtain in every field and use widely.
Along with electric bicycle comes into the market in a large number, someone attempts research and development high-power electric motorcycle, electric automobile with replacing fuel oil car always, does not make good so far, compares with electric motor car and traditional fuel-engined vehicle, be equivalent to replace fuel oil with battery, replace engine with motor.Due to the energy density (energy that Unit Weight stores of battery, W h/kg) well below fuel oil, if use jumbo battery cost too high, being equipped with jumbo lithium battery integral vehicle cost can increase several thousand yuan even several ten thousand yuan, far above the price of fuel motorcycle, fuel-engined vehicle; The performance of traditional structure motor can not be directly applied for electric motor car again, as large in current high-power permanent magnet electric rotating machine no-load current, efficiency is low, moment of torsion is little, temperature rise, poor reliability, cause the power performance of electric motor car and continue ability far below fuel vehicle, therefore, battery and motor are the core of electric motor car, are again the keys of restriction electric motor car development simultaneously.
A kind of hub-type electric rotating machine in electric motor car at present, the rotor comprising stator and rotate relative to stator, described rotor comprises outer wheel hub, permanent magnet, bearing and end cap, described end cap is connected with outer wheel hub, thus form the cavity that can place stator, permanent magnet is provided with inside described outer wheel hub, described end cap is connected with bearing, described stator comprises axle, support, silicon steel sheet and coil, described axle matches with bearing, described support is fixedly connected with axle, the cylindrical of described support is provided with silicon steel sheet, described silicon steel sheet is provided with line embedding groove, described coil embeds in line embedding groove.Its shortcoming is: the inflection point accurately cannot learning rotor, causes motor rotation efficiency low.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provides a kind of and accurately can know that the inflection point of rotor is to improve the hub-type encoder motor of motor rotation efficiency.
To achieve these goals, a kind of hub-type encoder motor designed by the utility model, the rotor comprising stator and rotate relative to stator, described rotor comprises outer wheel hub, permanent magnet, bearing and end cap, described end cap is connected with outer wheel hub, thus form the cavity that can place stator, permanent magnet is provided with inside described outer wheel hub, described end cap is connected with bearing, described stator comprises axle, support, silicon steel sheet and coil, described axle matches with bearing, described support is fixedly connected with axle, the cylindrical of described support is provided with silicon steel sheet, described silicon steel sheet is provided with line embedding groove, described coil embeds in line embedding groove, also comprise encoder assembly, described encoder assembly comprises one and is arranged on the two poles of the earth or multi-pole magnet-ring on end cap, is arranged on encoder on axle and corresponding with magnet ring and is located at the encoder shell on magnet ring and encoder.Encoder shell is used for fixing and protection encoder, the anglec of rotation of the anglec of rotation of magnet ring rotor just, the effect of encoder be detect magnet ring angle and by information feed back to controller.Permanent magnet in rotor and the coil in stator are oppositely arranged, when the rotor is turning, driving force is produced between permanent magnet and coil, rotate under the action of a magnetic force, encoder detects and obtains the anglec of rotation of magnet ring, thus determine the inflection point of rotor, be conducive to the running efficiency improving motor.
Further, described encoder is that L-type arranges and surrounds described magnet ring.
Preferably, described stator diameter is respectively 198.5mm-200.4mm, 215.5mm-217.4mm, 253.5-255.4mm.
Preferably, described stator is provided with 48-63 line embedding groove.
Preferably, the stacked thickness of described stator and rotor is 15mm-50mm.
Preferably, described rotor pole logarithm is that 15-30 is to pole.
The hub-type encoder motor of the utility model design is identical with the occupation mode of conventional motor, and this is no longer going to repeat them.
The hub-type encoder motor that the utility model obtains, its technique effect is: the deviation post accurately being known rotor by encoder, improves the running efficiency of motor.
Accompanying drawing explanation
Fig. 1 is the sectional view of the utility model hub-type encoder motor.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, the hub-type encoder motor that the utility model provides, the rotor comprising stator and rotate relative to stator, described rotor comprises outer wheel hub 5, permanent magnet 4, bearing 7 and end cap 6, described end cap 6 is connected with outer wheel hub 5, thus form the cavity that can place stator, permanent magnet 4 is provided with inside described outer wheel hub 5, described end cap 6 is connected with bearing 7, described stator comprises axle 1, support 2, silicon steel sheet 3 and coil, described axle 1 matches with bearing 7, described support 2 is fixedly connected with axle 1, the cylindrical of described support 2 is provided with silicon steel sheet 3, described silicon steel sheet 3 is provided with line embedding groove, described coil embeds in line embedding groove, also comprise encoder assembly, described encoder assembly comprises one and is arranged on the two poles of the earth on end cap 6 or multi-pole magnet-ring 9, is arranged on encoder 8 on axle 1 and corresponding with magnet ring 9 and is located at magnet ring 9 and the encoder shell 10 on encoder 8.Encoder shell 10 for fixing and protection encoder 8, the anglec of rotation of the anglec of rotation of magnet ring 9 rotor just, the effect of encoder 8 be detect magnet ring 9 angle and by information feed back to controller.Permanent magnet 4 in rotor is oppositely arranged with the coil in stator, when the rotor is turning, driving force is produced between permanent magnet 4 and coil, rotate under the action of a magnetic force, encoder 8 detects and obtains the anglec of rotation of magnet ring 9, thus determine the inflection point of rotor, be conducive to the running efficiency improving motor.
In the present embodiment, described encoder 8 arranges in L-type and surrounds described magnet ring 9.
In the present embodiment, described stator diameter is 198.5mm-200.4mm, and described stator is provided with 48-63 line embedding groove, and the stacked thickness of described stator and rotor is 15mm-50mm, and described rotor pole logarithm is that 15-30 is to pole.
This hub-type encoder motor is identical with the occupation mode of conventional motor, and this is no longer going to repeat them.
Claims (6)
1. a hub-type encoder motor, the rotor comprising stator and rotate relative to stator, described rotor comprises outer wheel hub, permanent magnet, bearing and end cap, described end cap is connected with outer wheel hub, thus form the cavity that can place stator, permanent magnet is provided with inside described outer wheel hub, described end cap is connected with bearing, described stator comprises axle, support, silicon steel sheet and coil, described axle matches with bearing, described support is fixedly connected with axle, the cylindrical of described support is provided with silicon steel sheet, described silicon steel sheet is provided with line embedding groove, described coil embeds in line embedding groove, it is characterized in that: also comprise encoder assembly, described encoder assembly comprises one and is arranged on the two poles of the earth or multi-pole magnet-ring on end cap, is arranged on encoder on axle and corresponding with magnet ring and is located at the encoder shell on magnet ring and encoder.
2. hub-type encoder motor according to claim 1, is characterized in that: described encoder is that L-type arranges and surrounds described magnet ring.
3. hub-type encoder motor according to claim 1 and 2, is characterized in that: described stator diameter is respectively 198.5mm-200.4mm, 215.5mm-217.4mm, 253.5-255.4mm.
4. hub-type encoder motor according to claim 1 and 2, is characterized in that: described stator is provided with 48-63 line embedding groove.
5. hub-type encoder motor according to claim 1 and 2, is characterized in that: the stacked thickness of described stator and rotor is 15mm-50mm.
6. hub-type encoder motor according to claim 1 and 2, is characterized in that: described rotor pole logarithm is that 15-30 is to pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420780005.6U CN204304712U (en) | 2014-11-28 | 2014-11-28 | A kind of hub-type encoder motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420780005.6U CN204304712U (en) | 2014-11-28 | 2014-11-28 | A kind of hub-type encoder motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204304712U true CN204304712U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420780005.6U Expired - Fee Related CN204304712U (en) | 2014-11-28 | 2014-11-28 | A kind of hub-type encoder motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN204304712U (en) |
Cited By (5)
| 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 |
| CN106981967A (en) * | 2017-05-09 | 2017-07-25 | 深圳市普渡科技有限公司 | A kind of straight drive outer rotor brushless motor and its rotary joint |
| CN107181371A (en) * | 2017-05-15 | 2017-09-19 | 江苏新伟动力科技有限公司 | A kind of automobile-used magnetic coder structure of electric car or electric motorcycle |
| CN107425686A (en) * | 2017-09-26 | 2017-12-01 | 江苏雅迪科技发展有限公司宁波分公司 | Coreless disc type wheel hub motor |
| WO2021129222A1 (en) * | 2019-12-28 | 2021-07-01 | 雅迪科技集团有限公司 | Salient-pole hub motor |
-
2014
- 2014-11-28 CN CN201420780005.6U patent/CN204304712U/en not_active Expired - Fee Related
Cited By (6)
| 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 |
| CN106981967A (en) * | 2017-05-09 | 2017-07-25 | 深圳市普渡科技有限公司 | A kind of straight drive outer rotor brushless motor and its rotary joint |
| CN107181371A (en) * | 2017-05-15 | 2017-09-19 | 江苏新伟动力科技有限公司 | A kind of automobile-used magnetic coder structure of electric car or electric motorcycle |
| CN107425686A (en) * | 2017-09-26 | 2017-12-01 | 江苏雅迪科技发展有限公司宁波分公司 | Coreless disc type wheel hub motor |
| WO2021129222A1 (en) * | 2019-12-28 | 2021-07-01 | 雅迪科技集团有限公司 | Salient-pole hub motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20151128 |
|
| EXPY | Termination of patent right or utility model |