CN207134887U - A kind of new-energy automobile wheel hub motor stator punching - Google Patents

A kind of new-energy automobile wheel hub motor stator punching Download PDF

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Publication number
CN207134887U
CN207134887U CN201721135627.3U CN201721135627U CN207134887U CN 207134887 U CN207134887 U CN 207134887U CN 201721135627 U CN201721135627 U CN 201721135627U CN 207134887 U CN207134887 U CN 207134887U
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China
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stator punching
new
car wheel
hub motor
energy automobile
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CN201721135627.3U
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钱伟
曹岐
林莹
陈虎威
郭欣
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CHINA AEROSPACE SCIENCE AND INDUSTRY GROUP SHANGHAI PUDONG DEVELOPMENT CENTER
China Wik Technology Corp
Jiangsu Aerospace Power Electric Co Ltd
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CHINA AEROSPACE SCIENCE AND INDUSTRY GROUP SHANGHAI PUDONG DEVELOPMENT CENTER
China Wik Technology Corp
Jiangsu Aerospace Power Electric Co Ltd
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Priority to CN201721135627.3U priority Critical patent/CN207134887U/en
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Abstract

It the utility model is related to new-energy automobile wheel hub motor stator punching, car wheel electromotor stator punching body including cyclic structure, annular uniformly offers 48 grooves along the outer shroud of car wheel electromotor stator punching body, each groove by the linear pattern notch being opened on the outer shroud of car wheel electromotor stator punching body and stretches out the Origuchi being connected on linear pattern notch and U type slot that extension is connected in Origuchi forms from outside to inside, and at least three fastening bolt holes for being used to fix magnetic links are uniformly offered on the inner ring surface of car wheel electromotor stator punching body.A kind of new-energy automobile wheel hub motor stator punching of the present utility model, the product design is in addition to above advantage, also have the characteristics that operational shock and noise are small, it has broad application prospects in various fields such as communications and transportation, Aero-Space, is one of study hotspot in efficient middle and small motor manufacture in recent years.

Description

A kind of new-energy automobile wheel hub motor stator punching
Technical field
The field of wheel hub motor is the utility model is related to, especially a kind of new-energy automobile wheel hub motor stator punching.
Background technology
Since 21 century, China proposes " energy-conservation and new-energy automobile " strategy, and government pays high attention to new-energy automobile Research and development and industrialization.National policy advocate with support under, the product of the relevant energy-conservation in China various regions and new-energy automobile is ground Hair and Demonstration And Extension are to surge forward.Up to the present, due to the continuous renewal and development of technology, and to motor performance It is required that increasingly improving, there are the matching used new energy motor driven systems of new-energy automobile.It is well known that determine new energy Three big electricity of automotive performance are:Motor, battery and automatically controlled, and wheel hub motor technology is due to can fill power set, transmission Put and brake apparatus is all incorporated into wheel hub and enormously simplify the mechanical part of electric vehicle together, more and more learned Person pays close attention to and research.
With the development of society, explosion type increasing trend is presented to the demand of the energy in people.According to relevant data statistics, The 42% of atmosphere pollution comes from the discharge of communications and transportation, especially vehicle exhaust.Therefore, the U.S. made in -2011 years 2010 The development new-energy automobile strategy of firewood, its strategic requirement developed are determined:Cut-off is to New-energy electric vehicle in 2015 in the whole nation It is not less than 1,000,000 in total amount.Also, according to data statistics and relevant report, end in May, 2017, it is electronic on American market Sale of automobile amount reaches about 1.6 ten thousand, increases about 26% year-on-year April;According in the increasing of such speed, it is contemplated that to 2017 The end of the year in the year sales volume of such automobile is up to about 230,000.
For conventional truck, clutch, speed changer, power 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 parts, while there is also need periodic maintenance and fault rate Problem.But Novel direct-drive wheel hub motor just solves this problem well, in addition to structure is more simple, using straight The vehicle of drive formula In-wheel motor driving can obtain more preferable space availability ratio, while transmission efficiency has also obtained very big carry Rise, reduce automobile production cost and be effectively improved economic benefit.
Three-phase direct-drive type wheel hub motor is different from common electric machine, on the one hand, permanent magnet is carried above rotor, belongs to direct-drive type Magneto, it is simple in construction, possess higher runnability under the conditions of of the same race;On the other hand, it is different from traditional permanent magnet synchronous electric Machine, the motor have outer rotor iron core structure.However, because air gap flux density with the runnability of motor has much relations, commonly Synchronous motor normal operation under, produce the performance that larger harmonic wave will have a strong impact on motor.The design considers this side The factor in face, it is proposed that a kind of new stator structure design.And a kind of intelligent optimization algorithm with superperformance of utilization- Evolution genetic algorithm, the optimization to electric machine structure is realized, save and manufacture material, realize preferable economic benefit.
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 punching and its processing method so that the 380V-12p-75kW-2000rpm motors possess good rise Dynamic performance and declared working condition operation, and noise of motor and vibration can be reduced.
Technical scheme is used by the utility model solves its technical problem:A kind of new-energy automobile wheel hub motor stator Punching, include the car wheel electromotor stator punching body of cyclic structure, the ring along the outer shroud of car wheel electromotor stator punching body Shape uniformly offers 48 grooves, and each groove is from outside to inside by being opened on the outer shroud of car wheel electromotor stator punching body Linear pattern notch and stretch out the Origuchi being connected on linear pattern notch and extension is connected to U type slot group in Origuchi Into the angle between two extension edges of the medial surface of U type slot two is 8 °, and T-shaped tooth block, T-shaped tooth are formed between two neighboring groove Block is located on the outer shroud of car wheel electromotor stator punching body, on the inner ring surface of described car wheel electromotor stator punching body Cloth offers at least three fastening bolt holes for being used to fix magnetic links.
In order to fix magnetic links position, eight are uniformly offered on the inner ring surface of described car wheel electromotor stator punching body Individual fastening bolt holes.
Angle between two center lines of two neighboring groove and the central point of car wheel electromotor stator punching body is 8 Degree.
In order to improve stator punching insulating properties, H class B insulation paints, H class B insulation paint vacuum high-temperatures are coated with described groove Heating is attached on groove.
Comprise the following steps that:
(1) intelligent optimization algorithm is utilized, i.e.,:Evolution genetic algorithm, with the volume size of motor, groove profile size, quota electricity Stream, quota voltage are parameter constraints, the preliminary parameter for optimizing motor volume and output current;
(2) motor performance is optimized again using electromagnetic finite meta software;
(3) according to (one) and (two) so as to calculating electric machine iron core length, stator outer diameter size and grooved size.
The beneficial effects of the utility model are a kind of new-energy automobile wheel hub motor stator punchings of the present utility model, the One, using the groove profile of stator groove, output power of motor and efficiency are improved, and realize good performance of ventilating;Second, well Stator laminating structure improve harmonic wave in air gap so that air gap waveform is similar to sinusoidal waveform under operating mode, is carried for electric automobile For reliable power, improve energy utilization rate and reduce dependence of the people to thermal power generation, while improve new-energy automobile safety Property and endurance.The product design also has the characteristics that operational shock and noise are small in addition to above advantage, and it is transported in traffic The various fields such as defeated, Aero-Space have broad application prospects, be in efficient middle and small motor manufacture in recent years study hotspot it One.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model.
1. car wheel electromotor stator punching body in figure, 11.T type tooth blocks, 2. grooves, 21. linear pattern notches, 22. Origuchis, 23.U type groove mouths, 3. fastening bolt holes.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram, Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
New-energy automobile wheel hub motor stator punching as shown in Figure 1, include the car wheel electromotor stator of cyclic structure Punching body 1, annular uniformly offers 48 grooves 2, two neighboring groove along the outer shroud of car wheel electromotor stator punching body 1 T-shaped tooth block 11 is formed between 2, T-shaped tooth block 11 is located on the outer shroud of car wheel electromotor stator punching body 1, two neighboring groove 2 Two center lines and car wheel electromotor stator punching body 1 central point between angle be 8 degree, adopted on the madial wall of groove 2 With H class B insulation paints vacuum high-temperature heating adhered to, each groove 2 from outside to inside by be opened in car wheel electromotor stator punching Linear pattern notch 21 and the stretch out Origuchi 22 being connected on linear pattern notch 21 and extension connection on the outer shroud of lamellar body 1 U type slot 23 in Origuchi 22 forms, and the angle between two extension edges of 23 liang of medial surfaces of U type slot is 8 °, automotive hub Eight fastening bolt holes 3 for being used to fix magnetic links are uniformly offered on the inner ring surface of motor stator punching body 1.
A kind of processing method of new-energy automobile wheel hub motor stator punching of the present utility model, is comprised the following steps that:
(1) intelligent optimization algorithm is utilized, i.e.,:Evolution genetic algorithm, with the volume size of motor, groove profile size, quota electricity Stream, quota voltage are parameter constraints, the preliminary parameter for optimizing motor volume and output current;
(2) motor performance is optimized again using electromagnetic finite meta software;
(3) according to (one) and (two) so as to calculating electric machine iron core length, stator outer diameter size and grooved size.
A kind of new-energy automobile wheel hub motor stator punching of the present utility model:In the design process, system is fully taken into account Make the cost and the coefficient of performance of motor, wherein, join according to motor volume size, groove profile size, rated current, rated voltage etc. Several constraints, with reference to evolution genetic algorithm, primary Calculation goes out electric machine iron core length, stator outer diameter size and related grooved size, By simulation softwares such as AnsoftMaxwell and Ansysworkbench, the structure is demonstrated using multi-angle coupling Simulation Feasibility, and the model machine for combining actual production further illustrates the validity of the program.
Using it is above-mentioned according to desirable embodiment of the present 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 (4)

1. a kind of new-energy automobile wheel hub motor stator punching, it is characterized in that:Car wheel electromotor stator including cyclic structure Punching body (1), annular uniformly offers 48 grooves (2) along the outer shroud of car wheel electromotor stator punching body (1), each recessed Groove (2) from outside to inside by the linear pattern notch (21) being opened on the outer shroud of car wheel electromotor stator punching body (1) and to It is outer to extend the Origuchi (22) being connected on linear pattern notch (21) and extend U type slot (23) group being connected in Origuchi (22) Into the angle between two extension edges of the medial surface of U type slot (23) two is 8 °, and T-shaped tooth block is formed between two neighboring groove (2) (11), T-shaped tooth block (11) is located on the outer shroud of car wheel electromotor stator punching body (1), described car wheel electromotor stator At least three fastening bolt holes (3) for being used to fix magnetic links are uniformly offered on the inner ring surface of punching body (1).
2. a kind of new-energy automobile wheel hub motor stator punching according to claim 1, it is characterized in that:Described automotive wheels Eight fastening bolt holes (3) are uniformly offered on the inner ring surface of hub motor stator punching body (1).
3. a kind of new-energy automobile wheel hub motor stator punching according to claim 1, it is characterized in that:Two neighboring groove (2) the angle between two center lines and the central point of car wheel electromotor stator punching body (1) is 8 degree.
4. a kind of new-energy automobile wheel hub motor stator punching according to claim 1, it is characterized in that:Described groove (2) H class B insulation paints are coated with.
CN201721135627.3U 2017-09-05 2017-09-05 A kind of new-energy automobile wheel hub motor stator punching Active CN207134887U (en)

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CN201721135627.3U CN207134887U (en) 2017-09-05 2017-09-05 A kind of new-energy automobile wheel hub motor stator punching

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Application Number Priority Date Filing Date Title
CN201721135627.3U CN207134887U (en) 2017-09-05 2017-09-05 A kind of new-energy automobile wheel hub motor stator punching

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CN207134887U true CN207134887U (en) 2018-03-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107565718A (en) * 2017-09-05 2018-01-09 江苏航天动力机电有限公司 New-energy automobile wheel hub motor stator punching and its processing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107565718A (en) * 2017-09-05 2018-01-09 江苏航天动力机电有限公司 New-energy automobile wheel hub motor stator punching and its processing method

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