CN204334140U - The automobile-used hub direct-drive motor of high-power electric - Google Patents
The automobile-used hub direct-drive motor of high-power electric Download PDFInfo
- Publication number
- CN204334140U CN204334140U CN201520016093.7U CN201520016093U CN204334140U CN 204334140 U CN204334140 U CN 204334140U CN 201520016093 U CN201520016093 U CN 201520016093U CN 204334140 U CN204334140 U CN 204334140U
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- permanent magnet
- automobile
- rotor assembly
- motor
- iron core
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 8
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000010349 pulsation Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The automobile-used hub direct-drive motor of a kind of high-power electric, comprise a field frame assembly and a rotor assembly, an iron core is provided with in the middle part of field frame assembly, core center is provided with motor shaft, iron core is along the circumferential direction uniformly distributed and is provided with groove, groove is used for winding and installs, rotor assembly is positioned at field frame assembly periphery, rotor assembly is circular, in rotor assembly, anchor ring is provided with equally distributed permanent magnet, permanent magnet thickness is 2.3mm ~ 2.5mm, permanent magnet adopts rare earth magnetic steel to make, permanent magnet periphery is provided with magnetic guiding loop, magnetic guiding loop two sides are provided with end cap, end cap and magnetic guiding loop are fixed by trip bolt, air gap is provided with between iron core and permanent magnet, air-gap separation is 0.35 ~ 0.5mm, air-gap diameter is 201mm ~ 204mm.The utility model, by optimizing motor internal dimensional space, strengthens air-gap diameter, adopts rare earth magnetic steel, enhances the performance of motor, optimize moment of torsion, improve efficiency platform and reduce noise.
Description
Technical field
The utility model relates to electric vehicle motor technical field, and specifically the utility model is in particular to the automobile-used hub direct-drive motor of a kind of high-power electric.
Background technology
Motor is one of core component of electric motor car, and the performance quality of electric vehicle motor directly affects the fail safe of electric motor car, operability, reliability and cycle in useful life.Common electric machine adopts single-phase winding usually, in uneven distribution, thus cause every space back electromotive force produced mutually uneven, be unfavorable for that sinusoidal controller is with the input of sine-wave current, even torque fluctuations scarcely can be produced, thus make motor produce larger resonance when zero load or load, affect electric efficiency, and there is larger noise.There is certain defect in the electrical power in motor magnetic Circuit Design and magnetic power matching degree, magnetic power is much larger than electrical power, cause motor easily to produce when short-time overload sharply to generate heat, easily occur the problem such as winding insulation damage layer, hall position sensor inefficacy, time serious, even cause motor to be scrapped.Drive system of electric motor vehicle adopts square wave to drive usually, because square-wave drive motor winding step mode is energized between two, a phase winding participation job all the time within a work period, there is the unbalanced problem in motor torque space, make motor that abnormal pulsation and noise operationally occur, impact is also existed on the comfort level that electric motor car uses.
Utility model content
It is not enough that the purpose of this utility model is to solve appeal, the automobile-used hub direct-drive motor of high-power electric that a kind of inside dimension space is reasonable, moment of torsion is excellent, efficiency platform property is high and noise is low is provided, solve the problem that motor sharply generates heat when short-time overload, improve the useful life of motor.
The technical problem that the utility model solves can realize by the following technical solutions:
The automobile-used hub direct-drive motor of a kind of high-power electric, comprise a field frame assembly and a rotor assembly, an iron core is provided with in the middle part of described field frame assembly, described core center is provided with motor shaft, described iron core is along the circumferential direction uniformly distributed and is provided with groove, described groove is for installing winding, described field frame assembly external diameter is 202mm ~ 204mm, described rotor assembly is positioned at described field frame assembly periphery, described rotor assembly is circular, in described rotor assembly, anchor ring is provided with equally distributed permanent magnet, described permanent magnet thickness is 2.3mm ~ 2.5mm, described permanent magnet adopts rare earth magnetic steel to make, described permanent magnet periphery is provided with magnetic guiding loop, described magnetic guiding loop two sides are equipped with end cap, described end cap and described magnetic guiding loop are fixed by trip bolt, described magnetic guiding loop internal diameter is 207mm ~ 211mm, air gap is provided with between described iron core and described permanent magnet, air-gap separation is 0.35mm ~ 0.5mm, air-gap diameter is 201mm ~ 204mm.
Further, the preferred external diameter of described iron core is 203.1mm.
Further, described groove groove number is 54 grooves, and described groove slot cross-section area is 87mm
2.
Further, described permanent magnet number of poles is 48 poles, and described permanent magnet preferred thickness is 2.4mm.
Further, the preferred internal diameter size of described magnetic guiding loop is 209mm.
Further, be arranged with integrated type wheel hub outside described rotor assembly, described wheel hub excircle central area is provided with a valve port, and described valve port diameter is 9.5mm.
The utility model compared with prior art has following outstanding advantages and effect: the utility model effectively optimizes the dimensional space of motor internal, increase air-gap diameter, use motor finite element analysis, Proper Match adopts rare earth magnetic steel, determine dimensional thickness, improve the serviceability of motor, enhance moment of torsion, improve the performance of efficiency platform, reduce noise.Groove slot cross-section area is 87mm
2groove is for installing winding, the long-pending comparatively common electric machine of cross-sectional area of conductor of winding increases 42%, effectively reduce current density, motor overburden ability is promoted greatly, and it adopt high-speed punching winding stacking technique to make, and has increased substantially stock utilization, improve valve port size, convenient manufacture and installation cycle valve of vacuum tire simultaneously.Optimize permanent magnet thickness and magnetic guiding loop internal diameter size simultaneously, meet the optimum size scope of wheel rim and motor core, adopt pole groove proportioning to be 54 groove proportioning 48 poles, make counter electromotive force of motor be sinusoidal wave distribution, advantageously in the driving of sinusoidal wave controller, improve materials'use rate.Substitute traditional square-wave drive with sinusoidal wave controller, avoid square wave and drive the current break problem occurred during commutation, make torque pulsation steady, noise objective is good, meets the demand of sine wave drive scheme.This is rational in infrastructure optimizes electrical power in motor magnetic Circuit Design and magnetic power, avoids because motor occurs at short-time overload preventing the phenomenon of sharply generating heat winding insulation layer to be destroyed the problem lost efficacy with hall position sensor, add the useful life of motor.
The detailed description and obtaining that feature of the present utility model can consult the graphic and following better execution mode of this case is well understood to.
Accompanying drawing explanation
Fig. 1 is the overall sectional structure schematic diagram of the utility model embodiment;
Fig. 2 is the overall structure schematic diagram of the utility model embodiment;
Fig. 3 is that main TV structure schematic diagram is amplified at Fig. 2 part A place.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
As shown in Figure 1 to Figure 3, the automobile-used hub direct-drive motor of a kind of high-power electric that the utility model provides, comprise field frame assembly 1 and a rotor assembly 2, be provided with an iron core 13 in the middle part of field frame assembly 1, iron core 13 preferably external diameter is 203.1mm, and iron core 13 center is provided with motor shaft 11, the effect of transmitting torque and support can be played, iron core 13 is along the circumferential direction uniformly distributed and is provided with groove 14, and groove 14 groove number is 54 grooves, and groove slot cross-section area is 87mm
2, groove 14 is for installing winding 12, the long-pending comparatively common electric machine of cross-sectional area of conductor of winding 12 increases 42%, effectively reduce current density, motor overburden ability is promoted greatly, and it adopts high-speed punching winding stacking technique to make, increase substantially stock utilization, field frame assembly 1 external diameter is 202mm ~ 204mm, rotor assembly 2 is positioned at field frame assembly 1 periphery, rotor assembly 2 is in circular, in rotor assembly 2, anchor ring is provided with equally distributed permanent magnet 22, the stationarity of torque pulsation can be improved, permanent magnet 22 thickness is 2.3mm ~ 2.5mm, permanent magnet 22 number of poles is 48 poles, use motor finite element analysis technology, permanent magnet 22 adopts rare earth magnetic steel to make, Proper Match rare earth magnetic steel use amount, determine that permanent magnet 1 preferred thickness is 2.4mm, improve motor performance, permanent magnet 22 periphery is provided with magnetic guiding loop 21, magnetic guiding loop 21 two sides are equipped with end cap 23, improve protection intensity, end cap 23 and magnetic guiding loop 21 are fixed by trip bolt 24, improve support effect, magnetic guiding loop 21 internal diameter is 207mm ~ 211mm, magnetic guiding loop 21 preferably internal diameter is 209mm, 202mm ~ 205mm is of a size of by the inscribed circle after attachment permanent magnet 22, it is preferably of a size of 203.9mm, this dimensional structure meets the optimum size demand of wheel rim and motor core, air gap 26 is provided with between iron core 13 and permanent magnet 22, air gap 26 spacing is 0.35mm ~ 0.5mm, air gap 26 diameter is 201mm ~ 204mm, effectively optimize the dimensional space of motor internal, increase air gap 26 diameter, use motor finite element analysis, improve the serviceability of motor, enhance moment of torsion, improve the performance of efficiency platform, reduce noise, integrated type wheel hub 25 is arranged with outside rotor assembly 2, wheel hub 25 excircle central area is provided with a valve port 27, valve port 27 diameter is 9.5mm, convenient manufacture and installation cycle valve of vacuum tire.
The utility model effectively optimizes the dimensional space of motor internal, increases air-gap diameter, uses motor finite element analysis, Proper Match adopts rare earth magnetic steel, determines dimensional thickness, improves the serviceability of motor, enhance moment of torsion, improve the performance of efficiency platform, reduce noise.Increase groove slot cross-section area, the long-pending comparatively common electric machine of the cross-sectional area of conductor of winding is made to increase 42%, effectively reduce current density, motor overburden ability is promoted greatly, and adopt high-speed punching winding stacking technique to make, increase substantially stock utilization, improved valve port size simultaneously, convenient manufacture and installation cycle valve of vacuum tire.Optimize permanent magnet thickness and magnetic guiding loop internal diameter size simultaneously, meet the optimum size scope of wheel rim and motor core, adopt pole groove proportioning to be 54 groove proportioning 48 poles, make counter electromotive force of motor be sinusoidal wave distribution, advantageously in the driving of sinusoidal wave controller, improve materials'use rate.Substitute traditional square-wave drive with sinusoidal wave controller, avoid square wave and drive the current break problem occurred during commutation, make torque pulsation steady, noise objective is good, meets the demand of sine wave drive scheme.This is rational in infrastructure optimizes electrical power in motor magnetic Circuit Design and magnetic power, avoids because motor occurs at short-time overload preventing the phenomenon of sharply generating heat winding insulation layer to be destroyed the problem lost efficacy with hall position sensor, add the useful life of motor.
As known by the technical knowledge, the utility model can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.
Claims (6)
1. the automobile-used hub direct-drive motor of high-power electric, comprise a field frame assembly (1) and a rotor assembly (2), it is characterized in that: described field frame assembly (1) middle part is provided with an iron core (13), described iron core (13) center is provided with motor shaft (11), described iron core (13) is along the circumferential direction uniformly distributed and is provided with groove (14), described groove (14) is for installing winding (12), described field frame assembly (1) external diameter is 202mm ~ 204mm, described rotor assembly (2) is positioned at described field frame assembly (1) periphery, described rotor assembly (2) is in circular, described rotor assembly (2) interior anchor ring is provided with equally distributed permanent magnet (22), described permanent magnet (22) thickness is 2.3mm ~ 2.5mm, described permanent magnet (22) adopts rare earth magnetic steel to make, described permanent magnet (22) periphery is provided with magnetic guiding loop (21), described magnetic guiding loop (21) two sides are provided with end cap (23), described end cap (23) and described magnetic guiding loop (21) are fixed by trip bolt (24), described magnetic guiding loop (21) internal diameter is 207mm ~ 211mm, air gap (26) is provided with between described iron core (13) and described permanent magnet (22), described air gap (26) spacing is 0.35mm ~ 0.5mm, described air gap (26) diameter is 201mm ~ 204mm.
2. the automobile-used hub direct-drive motor of high-power electric according to claim 1, is characterized in that: described iron core (13) preferably external diameter is 203.1mm.
3. the automobile-used hub direct-drive motor of high-power electric according to claim 1, is characterized in that: described groove (14) groove number is 54 grooves, and described groove slot cross-section area is 87mm
2.
4. the automobile-used hub direct-drive motor of high-power electric according to claim 1, is characterized in that: described permanent magnet (22) number of poles is 48 poles, and described permanent magnet (1) preferred thickness is 2.4mm.
5. the automobile-used hub direct-drive motor of high-power electric according to claim 1, is characterized in that: described magnetic guiding loop (21) preferably internal diameter size is 209mm.
6. the automobile-used hub direct-drive motor of high-power electric according to claim 1, it is characterized in that: outside described rotor assembly (2), be arranged with integrated type wheel hub (25), described wheel hub (25) excircle central area is provided with a valve port (27), and described valve port (27) diameter is 9.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520016093.7U CN204334140U (en) | 2015-01-12 | 2015-01-12 | The automobile-used hub direct-drive motor of high-power electric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520016093.7U CN204334140U (en) | 2015-01-12 | 2015-01-12 | The automobile-used hub direct-drive motor of high-power electric |
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| Publication Number | Publication Date |
|---|---|
| CN204334140U true CN204334140U (en) | 2015-05-13 |
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| CN201520016093.7U Expired - Fee Related CN204334140U (en) | 2015-01-12 | 2015-01-12 | The automobile-used hub direct-drive motor of high-power electric |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868681A (en) * | 2015-05-27 | 2015-08-26 | 无锡***电机科技有限公司 | Hub-type permanent magnetism brushless motor |
| CN105099111A (en) * | 2015-09-14 | 2015-11-25 | 台州市金宇机电有限公司 | Permanent-magnet brushless direct-current hub motor having high efficiency and low material loss for electric vehicle |
| CN107959375A (en) * | 2017-12-28 | 2018-04-24 | 台州市金宇机电有限公司 | A kind of nonstandard electric vehicle hub direct driving motor |
| CN110417140A (en) * | 2019-07-17 | 2019-11-05 | 上海浩正电气有限公司 | The stator and rotor structure of multipolar dynamo |
-
2015
- 2015-01-12 CN CN201520016093.7U patent/CN204334140U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868681A (en) * | 2015-05-27 | 2015-08-26 | 无锡***电机科技有限公司 | Hub-type permanent magnetism brushless motor |
| CN105099111A (en) * | 2015-09-14 | 2015-11-25 | 台州市金宇机电有限公司 | Permanent-magnet brushless direct-current hub motor having high efficiency and low material loss for electric vehicle |
| CN106992645A (en) * | 2015-09-14 | 2017-07-28 | 台州市金宇机电有限公司 | A kind of wheel hub motor for electric car |
| CN107959375A (en) * | 2017-12-28 | 2018-04-24 | 台州市金宇机电有限公司 | A kind of nonstandard electric vehicle hub direct driving motor |
| CN110417140A (en) * | 2019-07-17 | 2019-11-05 | 上海浩正电气有限公司 | The stator and rotor structure of multipolar dynamo |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Large power electric vehicle hub direct drive motor Effective date of registration: 20160719 Granted publication date: 20150513 Pledgee: Industrial Commercial Bank of China Ltd. Taizhou Huangyan branch Pledgor: TAIZHOU JINYU ELECTROMECHANICAL Co.,Ltd. Registration number: 2016330000047 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |