CN207234545U - A kind of new-energy automobile wheel hub motor stator core construction - Google Patents
A kind of new-energy automobile wheel hub motor stator core construction Download PDFInfo
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- CN207234545U CN207234545U CN201721135628.8U CN201721135628U CN207234545U CN 207234545 U CN207234545 U CN 207234545U CN 201721135628 U CN201721135628 U CN 201721135628U CN 207234545 U CN207234545 U CN 207234545U
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Abstract
It the utility model is related to a kind of new-energy automobile wheel hub motor stator core construction, helical groove is offered on the outer circumferential surface of stator core main shaft, detent rail core cyclic water channel is equipped with helical groove, position iron core cyclic water channel in the shape of a spiral structure distribution on the outer ring surface of stator core main shaft, the end of positioning iron core cyclic water channel is communicated with positioning iron core cyclic water channel water inlet, the stator core cooling water inlet water channel for external cooling water is offered on the stator core central rotating shaft, stator core cooling water inlet water channel is connected with positioning iron core cyclic water channel water inlet.The new-energy automobile wheel hub motor stator core construction of the utility model, using the motor stator core of such a design, cyclic water channel cooling structure is used in stator core, more efficiently improve the cooling effect of motor, improve the performance of motor, during motor use, the service life of motor can be effectively improved.
Description
Technical field
The field of motor stator is the utility model is related to, especially a kind of new-energy automobile wheel hub motor stator core knot
Structure.
Background technology
In recent years, China's automobile industry technology is quickly grown.Compared with American-European countries, the new-energy automobile production in China
Industrial development is started late.In 2015, the annual output of China's new-energy automobile reached 37.9 ten thousand, increases by a year-on-year basis
351.19%；To the first half of the year in 2017, its sales volume reached about 170,000 for cut-off.And in May, 2017, new energy car total sales volume
Reach 40,000, the wherein market share of compact vehicle and lilliput car respectively may be about 37.0% and 24.6%.It is also, compact
The type 0vehicle marketing amount same period have dropped 3.0%, and the lilliput car sales volume same period rises 1.8%.At present, by wheel hub motor skill
Art is introduced into new-energy automobile, and power set, transmission device and brake apparatus are all incorporated into wheel hub together and greatly simplified
The mechanical part of electric vehicle, is paid close attention to and is studied by more and more domestic and foreign scholars.
Main impetus is played in the automobile industry economic development national to one, can drive steel, mechanical processing,
The development of multiple industries such as electronics, easily forms industry cluster, the national competitive strength in the world of lifting.According to current market
Investigation, various types of vehicles total sales volume was up to 2442.1 ten thousand within 2016, in 2013 to 2015 new-energy automobile sales volume phases
Than sane growth trend is still presented in the vehicle of the type.
For conventional truck, clutch, speed changer, transmission shaft, differential mechanism or even transfer gear be all it is essential,
And not only weight is not light, makes the structure of vehicle increasingly complex for these components, while there is also need periodic maintenance and failure rate
Problem.But Novel direct-drive wheel hub motor just solves the problems, such as this well, in addition to structure is more simple, employ
The advantage technologies such as large torque output, high power density, high reliability, can overcome wheel hub in related new-energy automobile domestic at present to drive
The weak link in dynamic system research field, effectively lifts the performance of new energy locomotive driving, counterweight, driving etc..
Wheel hub motor in direct-drive type hub drive system is different from common electric machine, on the one hand, permanent magnetism is carried above rotor
Body, belongs to outer rotor direct driving type permanent magnet motor, simple in structure, possesses higher runnability under the conditions of of the same race；On the other hand, it is cold
But system is more novel, using circulation cooling mechanism inside stator core.The design considers the factor of this respect, it is proposed that one
The new stator core construction design of class.The motor is supplied using peripheral control unit input power, and following generation electromagnetism is humorous
Wave interference calorie source, stator-rotor iron core heat, frictional heat etc..In view of each heat emission source in electric machine structure, work out
A kind of coupling electric machine stator core construction designing technique for covering more physical domains such as circuit, electromagnetism, fluid field and temperature field, energy
It is enough effectively to improve motor operation environment.
Utility model content
The technical problems to be solved in the utility model is：In order to overcome it is above-mentioned present in problem, there is provided a kind of new energy
Car wheel electromotor stator core construction so that the 380V-12p-75kW-2000rpm motors possess good runnability, and
Noise of motor and vibration can be reduced.
Technical solution is used by the utility model solves its technical problem：A kind of new-energy automobile wheel hub motor stator
Core structure, including stator core central rotating shaft and suit be connected to stator core main shaft on stator core central rotating shaft and
The stator core being located at outside stator core main shaft, the lateral surface of the stator core main shaft and the madial wall of stator core it
Between there is gap, helical groove is offered on the outer circumferential surface of the stator core main shaft, equipped with fixed in helical groove
Position iron core cyclic water channel, structure distribution is on the outer ring surface of stator core main shaft in the shape of a spiral for positioning iron core cyclic water channel, positioning
The end of iron core cyclic water channel is communicated with positioning iron core cyclic water channel water inlet, is offered on the stator core central rotating shaft
For the stator core cooling water inlet water channel of external cooling water, stator core cooling water inlet water channel and positioning iron core recirculated water
Road water inlet is connected.
Comprise the following steps that：
(1) intelligent optimization algorithm is utilized, i.e.,：Evolution genetic algorithm, with the volume size, groove profile size, specified electricity of motor
Stream, rated voltage are constraints, preliminary to optimize the parameters such as motor volume；
(2) motor performance is optimized again using electromagnetic finite meta software, accurately to reach performance requirement；
(3) evolution genetic algorithm is combined according to (one) and (two), calculate electric machine iron core length, stator outer diameter size and
Related grooved size.
The beneficial effects of the utility model are that the new-energy automobile wheel hub motor stator core construction of the utility model, is adopted
With the motor stator core of such a design, cyclic water channel cooling structure is used in stator core, more efficiently improves motor
Cooling effect, improve the performance of motor, during motor use, the service life of motor can be effectively improved.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of the utility model.
1. stator core central rotating shaft in figure, 2. stator core main shafts, 3. stator cores, 4. positioning iron core cyclic water channels,
5. position iron core cyclic water channel water inlet, 6. stator core cooling water inlet water channels.
Embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows the composition related with the utility model.
A kind of new-energy automobile wheel hub motor stator core construction as shown in Figure 1, including 1 He of stator core central rotating shaft
It is set with the stator core main shaft 2 being connected on stator core central rotating shaft 1 and the stator iron being located at outside stator core main shaft 2
Core 3, has gap, the periphery of stator core main shaft 2 between the lateral surface of stator core main shaft 2 and the madial wall of stator core 3
Helical groove is offered on face, detent rail core cyclic water channel 4 is equipped with helical groove, positioning iron core cyclic water channel 4 is in
Helicoidal structure is distributed on the outer ring surface of stator core main shaft 2, and positioning iron core cyclic water channel 4 at this time is just embedded in spiral
In shape groove, both cooperate, and the end of positioning iron core cyclic water channel 4 is communicated with positioning iron core cyclic water channel water inlet 5, fixed
The stator core cooling water inlet water channel 6 for external cooling water, stator core cooling water are offered in sub- core center shaft 1
Entrance water channel 6 is connected with positioning iron core cyclic water channel water inlet 5, using process, passes through the stator core of external cooling water
Cooling water inlet water channel 6 is passed through cooling water, positioning iron core cyclic water channel water inlet 5 is passed through in positioning iron core cyclic water channel 4, makes
Cooling water is circulated in positioning iron core cyclic water channel 4, so that the temperature in motor is significantly reduced, so that cold using cyclic water channel
But structure, more efficiently improves the cooling effect of motor, improves the performance of motor.
The processing method of the new-energy automobile wheel hub motor stator core construction of the utility model, comprises the following steps that：
(1) intelligent optimization algorithm is utilized, i.e.,：Evolution genetic algorithm, with the volume size, groove profile size, specified electricity of motor
Stream, rated voltage are constraints, preliminary to optimize the parameters such as motor volume；
(2) motor performance is optimized again using electromagnetic finite meta software, accurately to reach performance requirement；
(3) evolution genetic algorithm is combined according to (one) and (two), calculate electric machine iron core length, stator outer diameter size and
Related grooved size, in the design process, by simulation softwares such as AnsoftMaxwell and Ansysworkbench, uses
Multi-angle coupling Simulation demonstrates the feasibility of the structure, and the model machine for combining actual production further illustrates the program
Validity.
Using the above-mentioned desirable embodiment according to the utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (1)
1. a kind of new-energy automobile wheel hub motor stator core construction, it is characterized in that：Including stator core central rotating shaft (1) and set
The stator core main shaft (2) and be located at determining for stator core main shaft (2) outside that load is connected on stator core central rotating shaft (1)
Sub- iron core (3), has gap between the lateral surface of the stator core main shaft (2) and the madial wall of stator core (3), described
Stator core main shaft (2) outer circumferential surface on offer helical groove, is equipped with detent rail core recirculated water in helical groove
Road (4), structure distribution on the outer ring surface of stator core main shaft (2), positions iron core to positioning iron core cyclic water channel (4) in the shape of a spiral
The end of cyclic water channel (4), which is communicated with, positions iron core cyclic water channel water inlet (5), on the stator core central rotating shaft (1)
Offer the stator core cooling water inlet water channel (6) for external cooling water, stator core cooling water inlet water channel (6) and fixed
Position iron core cyclic water channel water inlet (5) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135628.8U CN207234545U (en) | 2017-09-05 | 2017-09-05 | A kind of new-energy automobile wheel hub motor stator core construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135628.8U CN207234545U (en) | 2017-09-05 | 2017-09-05 | A kind of new-energy automobile wheel hub motor stator core construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207234545U true CN207234545U (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721135628.8U Active CN207234545U (en) | 2017-09-05 | 2017-09-05 | A kind of new-energy automobile wheel hub motor stator core construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394913A (en) * | 2017-09-05 | 2017-11-24 | 江苏航天动力机电有限公司 | New-energy automobile wheel hub motor stator core construction and its processing method |
-
2017
- 2017-09-05 CN CN201721135628.8U patent/CN207234545U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394913A (en) * | 2017-09-05 | 2017-11-24 | 江苏航天动力机电有限公司 | New-energy automobile wheel hub motor stator core construction and its processing method |
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