CN107404169A - New-energy automobile wheel hub motor rotor core structure - Google Patents
New-energy automobile wheel hub motor rotor core structure Download PDFInfo
- Publication number
- CN107404169A CN107404169A CN201710792972.2A CN201710792972A CN107404169A CN 107404169 A CN107404169 A CN 107404169A CN 201710792972 A CN201710792972 A CN 201710792972A CN 107404169 A CN107404169 A CN 107404169A
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- China
- Prior art keywords
- rotor
- rotor core
- notch
- new
- wheel hub
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to new-energy automobile wheel hub motor rotor core structure, the rotor upper head plate and rotor bottom plate being connected on rotor core group top end face and bottom face are installed including the rotor core group in new-energy automobile wheel hub motor and rotor magnetic steel piece and respectively, adjacent two-stage rotor iron core turns clockwise 36 ° between each other, circumference offers eight groups of embedded grooves on the surface of each rotor punching, angle is 45 ° between the center line of two neighboring embedded groove, rotor magnetic steel piece is embedded between left groove and right groove, there is gap between first notch and the second notch and be distributed in interior " eight " font on rotor punching.The new-energy automobile wheel hub motor rotor core structure of the present invention, using the rotor core structure fitting recess of such a design, dynamic balance test of rotor can conveniently be carried out so that the 380V 4p 18kW 1000rpm motors possess good runnability, and can reduce noise of motor and vibration.
Description
Technical field
The present invention relates to the field of rotor, especially new-energy automobile wheel hub motor rotor core structure.
Background technology
Main impetus is played in the automobile industry economic development national to one, can drive steel, machining,
The development of multiple industries such as electronics, and the construction of national defense economy of country can be promoted and improve people's living standard.It is external first
Aspect, end in May, 2017, electric automobile sales volume reaches about 1.6 ten thousand on American market, and year-on-year growth in April is about
26%；According in the increasing of such speed, it is contemplated that the sales volume to such automobile of the end of the year in 2017 is up to about 230,000.With reference to
External electric automobile market conditions of demand at present, worldwide full-sized car production company germany volkswagen, France's snow iron
Dragon, Japanese honda etc. start successively research the type electric automobile.
The advantages of Novel direct-drive wheel hub motor is brought mainly has：1st, optimize conventional truck gearing structure, save more
Individual parts；2nd, vehicle production cost is reduced, improves the sales volume of vehicle；3rd, product belongs to zero-emission, cleaning equipment, to improving
Living environment is very helpful.In addition, the product is in the fabrication process, multiple innovative technologies, process technology, examination are employed
Emulation technology etc. is tested, the domestic weak link about hub drive system research field in new-energy automobile at present can be overcome, had
The performance of effect lifting new energy locomotive driving, counterweight, driving etc..
Structure is similar to permagnetic synchronous motor, the difference is that, rotor portion is located at outside motor, and carries permanent magnetism
Body, realize the synchronous rotary of motor., can because rare earth permanent magnet has the characteristics of high residual flux density, high-coercive force and high energy product
To allow made motor that there is the gentle gap density of larger gas length, thus lay in permanent magnet and designed with magnetic structure
On have very big flexibility.The wheel hub motor being related in the present invention, using for reference on the architecture basics, it is proposed that a kind of new turns
Sub- core structure design.Wherein, input power is carried out by using peripheral driver, it is right by straight-alternating current road, filter circuit
The operation of motor certainly will be brought greater impact, and such as produce serious harmonic wave interference, electric and magnetic oscillation and noise, work out a kind of culvert
The coupling electric machine rotor core structure designing technique of more physical domains such as lid circuit, electromagnetism, fluid field and temperature field, can be effective
Ground improves motor operation environment.
In recent years, China's automobile industry technology is quickly grown.Also, according to relevant report, to the year two thousand twenty, in new energy
In terms of electric automobile research, benz planned investment 10 sections of electronic vehicles of about 10,700,000,000 dollars of research and development；Ford will release one in 2018
Money plug-in hybrid-power automobile, plan to release pure electronic money Ford car transboundary in 5 years, and determine by 2025, sold in China
The most of automobile sold all provides electronic vehicle.By international Main Auto manufacturer, it is expected that arriving the year two thousand twenty, global video automobile
Recoverable amount may rise to 900 ten thousand to 2,000 ten thousand, and 40,000,000 to 70,000,000 will be increased to by 2025.Therefore, certainly will promote
With grinding for the positive R ＆ D design New-energy electric vehicle of electric automobile manufacturer in the wide hair global range of excitation and Related product
System.
Herein in wheel hub motor design process in studying new-energy automobile, a kind of new rotor core structure is proposed.
Using new and innovative technology, it is on the leading domestic level, and is designed for wheel hub motor in new-energy automobile, can be effectively improved
The continuation of the journey energy ability and security reliability of new-energy automobile.It has wide answer in various fields such as communications and transportation, Aero-Space
It is one of study hotspot in efficient middle and small motor manufacture in recent years with prospect.
The content of the invention
The technical problem to be solved in the present invention is：In order to overcome it is above-mentioned present in problem, there is provided a kind of new-energy automobile
Wheel hub motor rotor core structure so that the 380V-4p-18kW-1000rpm motors possess good runnability, and can
Reduce noise of motor and vibration.
The technical solution adopted for the present invention to solve the technical problems is：A kind of new-energy automobile wheel hub motor rotor core
Structure, including rotor core group in new-energy automobile wheel hub motor and rotor magnetic steel piece and respectively installation be connected to
Rotor upper head plate and rotor bottom plate on rotor core group top end face and bottom face, described rotor core group from top to bottom by
10 sections of rotor core compositions, adjacent two-stage rotor iron core turn clockwise 36 ° between each other, and every section of rotor core is by several turns
Sub- punching is formed by stacking, and circumference offers eight groups of embedded grooves, the center of two neighboring embedded groove on the surface of each rotor punching
Angle is 45 ° between line, and every group of embedded groove includes the first notch and the second notch with the symmetrical setting of the first notch, first
Notch and the second notch by strip opening and extend the Origuchi composition for being connected to strip open end and rolling over downwards, strip
Two inner sides of opening offer the left groove and right groove to concave respectively, rotor magnetic steel piece embedded in left groove and right groove it
Between, there is gap between described the first notch and the second notch and be distributed in interior " eight " font on rotor punching, rotor punching
Annular is uniform on the outer circumference surface of piece offers at least two rotor core fitting recess for being used to realize dynamic balance test of rotor, turns
Annular is uniform on the inner peripheral surface of sub- punching offers at least four harmonics restraint notches, and each harmonics restraint notch is respectively positioned on the
On center line between one notch and the second notch, at least two rotor core fixed bits are offered on the ring surface of rotor punching
Put pull bar screw.
Further, annular uniformly offers four rotor core fitting recess on the outer circumference surface of described rotor punching,
Each rotor core fitting recess and center.
Further, annular is uniform on the inner peripheral surface of described rotor punching offers eight harmonics restraint notches, and eight
The setting corresponding with eight embedded grooves of individual harmonics restraint notch.
Further, eight rotor core fixed position pull bar screws are offered on the ring surface of described rotor punching,
Each rotor core fixed position pull bar screw is between two neighboring embedded groove.
The invention has the advantages that the new-energy automobile wheel hub motor rotor core structure of the present invention, is set using such a
The rotor core structure fitting recess of meter, it can conveniently carry out dynamic balance test of rotor so that 380V-4p-18kW-1000rpm should
Motor possesses good runnability, and can reduce noise of motor and vibration.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the rotor punching of the present invention；
Fig. 2 is the side view of the rotor core group of the present invention；
Fig. 3 is the front view of the first paragraph rotor core of the present invention；
Fig. 4 is the front view of the second segment rotor core of the present invention；
Fig. 5 is the front view of the three-stage rotor iron core of the present invention；
Fig. 6 is the front view of the 4th section of rotor core of the present invention；
Fig. 7 is the front view of the 5th section of rotor core of the present invention；
Fig. 8 is the front view of the 6th section of rotor core of the present invention；
Fig. 9 is the front view of the 7th section of rotor core of the present invention；
Figure 10 is the front view of the 8th section of rotor core of the present invention；
Figure 11 is the front view of the 9th section of rotor core of the present invention；
Figure 12 is the front view of the tenth section of rotor core of the present invention.
1. rotor core in figure, 11. rotor punchings, 12. embedded grooves, the notches of 12-1. first, the notches of 12-2. second, 12-
3. left groove, 12-4. right grooves, 2. rotor magnetic steel pieces, 3. rotor upper head plates, 4. rotor bottom plates, 5. rotor core fitting recess,
6. harmonics restraint notch, 7. rotor core fixed position pull bar screws.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
New-energy automobile wheel hub motor rotor core structure as depicted in figs. 1 and 2, including installed in new-energy automobile wheel
Rotor core group and rotor magnetic steel piece 2 in hub motor, rotor upper head plate 3 and rotor bottom plate 4 are installed respectively is connected to rotor
On iron core group top end face and bottom face, rotor core group is made up of 10 sections of rotor cores 1 from top to bottom, adjacent two-stage rotor iron core
1 is turned clockwise 36 ° between each other, and every section of rotor core 1 is formed by stacking by several rotor punchings 11, each rotor punching 11
Surface on circumference offer eight groups of embedded grooves 12, angle is 45 ° between the center line of two neighboring embedded groove 12, every group of insertion
Groove 12 include the first notch 12-1 and with the second notch 12-2, the first notch 12-1 of the first symmetrical settings of notch 12-1 and
Second notch 12-2 is by strip opening and extends the Origuchi composition for being connected to strip open end and rolling over downwards, makes the first groove
Mouthful 12-1 and the second notch 12-2 end be in hook arrangement, between the first notch 12-1 and the second groove 12-2 mouths with gap and
Be distributed in interior " eight " font on rotor punching 11, two inner sides that strip is opened offer respectively the left groove 12-3 that concaves and
Right groove 12-4, rotor magnetic steel piece 2 is embedded between left groove 12-3 and right groove 12-4, on the outer circumference surface of rotor punching 11
It is annular uniformly to offer four rotor core fitting recess 5 for being used to realize dynamic balance test of rotor, the inner periphery of rotor punching 11
Annular uniformly offers eight harmonics restraint notches 6 on face, and each harmonics restraint notch 6 is respectively positioned on the first notch 12-1 and second
On center line between notch 12-2, eight rotor core fixed position pull bar screws are offered on the ring surface of rotor punching 11
7。
New-energy automobile wheel hub motor rotor core structure as shown in Fig. 3~12, first paragraph such as Fig. 3 of rotor core group
Rotor core 1, the second segment of rotor core group such as Fig. 4 rotor core 1 are relative to the dextrorotation of rotor core 1 in Fig. 3
36 ° are turned；Such as Fig. 5 of the 3rd section of rotor core group rotor core 1 turns clockwise relative to the rotor core 1 in Fig. 4
36°；Such as Fig. 6 of the 4th section of rotor core group rotor core 1 has turned clockwise 36 ° relative to the rotor core 1 in Fig. 5；
Such as Fig. 7 of the 5th section of rotor core group rotor core 1 has turned clockwise 36 ° relative to the rotor core 1 in Fig. 6；Rotor
Such as Fig. 8 of the 6th section of iron core group rotor core 1 has turned clockwise 36 ° relative to the rotor core 1 in Fig. 7；Rotor core
Such as Fig. 9 of the 7th section of group rotor core 1 has turned clockwise 36 ° relative to the rotor core 1 in Fig. 8；Rotor core group
8th section of such as Figure 10 rotor core 1 has turned clockwise 36 ° relative to the rotor core 1 in Fig. 9；The 9th of rotor core group
Section such as Figure 11 rotor core 1 has turned clockwise 36 ° relative to the rotor core 1 in Figure 10；The tenth section of rotor core group
Rotor core 1 such as Figure 12 has turned clockwise 36 ° relative to the rotor core 1 in Figure 11；In the design process, pass through
The simulation softwares such as AnsoftMaxwell and Ansysworkbench, using multi-angle coupling Simulation demonstrate the structure can
Row, and the model machine for combining actual production further illustrates the validity of the program.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (4)
1. a kind of new-energy automobile wheel hub motor rotor core structure, it is characterized in that：Including installed in new-energy automobile wheel hub electricity
Rotor core group and rotor magnetic steel piece (2) in machine and respectively installation are connected on rotor core group top end face and bottom face
Rotor upper head plate (3) and rotor bottom plate (4), described rotor core group are made up of 10 sections of rotor cores (1) from top to bottom, phase
Adjacent two-stage rotor iron core (1) turns clockwise 36 ° between each other, and every section of rotor core (1) is folded by several rotor punchings (11)
Conjunction forms, and circumference offers eight groups of embedded grooves (12) on the surface of each rotor punching (11), two neighboring embedded groove (12)
Angle is 45 ° between center line, and every group of embedded groove (12) is relative including the first notch (12-1) and with the first notch (12-1)
Claim the second notch (12-2) set, the first notch (12-1) and the second notch (12-2) connect by strip opening and extension
In the Origuchi composition that strip open end is rolled over downwards, two inner sides that strip is opened offer the left groove (12- to concave respectively
3) it is embedded in right groove (12-4), rotor magnetic steel piece (2) between left groove (12-3) and right groove (12-4), described first
There is gap between notch (12-1) and the second groove (12-2) mouth and be distributed in interior " eight " font on rotor punching (11), rotor
Annular is uniform on the outer circumference surface of punching (11) offers at least two rotor core dresses for being used to realize dynamic balance test of rotor
Slot allocation (5), annular uniformly offers at least four harmonics restraint notches (6), Mei Gexie on the inner peripheral surface of rotor punching (11)
Ripple suppresses notch (6) and is respectively positioned on the center line between the first notch (12-1) and the second notch (12-2), rotor punching (11)
Ring surface on offer at least two rotor core fixed position pull bar screws (7).
2. new-energy automobile wheel hub motor rotor core structure according to claim 1, it is characterized in that：Described rotor punching
Annular uniformly offers four rotor core fitting recess (5) on the outer circumference surface of piece (11).
3. new-energy automobile wheel hub motor rotor core structure according to claim 1, it is characterized in that：Described rotor punching
Annular uniformly offers eight harmonics restraint notches (6) on the inner peripheral surface of piece (11).
4. new-energy automobile wheel hub motor rotor core structure according to claim 1, it is characterized in that：Described rotor punching
Eight rotor core fixed position pull bar screws (7) are offered on the ring surface of piece (11), each rotor core fixed position is drawn
Bar screw (7) is between two neighboring embedded groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710792972.2A CN107404169A (en) | 2017-09-05 | 2017-09-05 | New-energy automobile wheel hub motor rotor core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710792972.2A CN107404169A (en) | 2017-09-05 | 2017-09-05 | New-energy automobile wheel hub motor rotor core structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107404169A true CN107404169A (en) | 2017-11-28 |
Family
ID=60396907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710792972.2A Pending CN107404169A (en) | 2017-09-05 | 2017-09-05 | New-energy automobile wheel hub motor rotor core structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107404169A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023237827A1 (en) | 2022-06-09 | 2023-12-14 | Nidec Psa Emotors | Rotor for a rotary electric machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570753A (en) * | 2011-12-29 | 2012-07-11 | 中国科学院深圳先进技术研究院 | Permanent magnet harmonic motor |
| CN104821700A (en) * | 2015-04-30 | 2015-08-05 | 广东高标电子科技有限公司 | Tilting external rotor permanent-magnet motor |
| CN106953488A (en) * | 2017-05-22 | 2017-07-14 | 江苏雅迪科技发展有限公司宁波分公司 | A built-in wheel hub motor and an electric vehicle using the same |
| CN206389195U (en) * | 2016-12-28 | 2017-08-08 | 卧龙电气集团股份有限公司 | Permagnetic synchronous motor p-m rotor punching and permagnetic synchronous motor |
| CN107070032A (en) * | 2017-06-23 | 2017-08-18 | 江苏航天动力机电有限公司 | New-energy automobile wheel hub motor rotor punching |
| CN107086688A (en) * | 2017-06-23 | 2017-08-22 | 江苏航天动力机电有限公司 | Compact asynchronous starting permagnetic synchronous motor segmented rotor structure |
| CN207134900U (en) * | 2017-09-05 | 2018-03-23 | 江苏航天动力机电有限公司 | A kind of new-energy automobile wheel hub motor rotor core structure |
-
2017
- 2017-09-05 CN CN201710792972.2A patent/CN107404169A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570753A (en) * | 2011-12-29 | 2012-07-11 | 中国科学院深圳先进技术研究院 | Permanent magnet harmonic motor |
| CN104821700A (en) * | 2015-04-30 | 2015-08-05 | 广东高标电子科技有限公司 | Tilting external rotor permanent-magnet motor |
| CN206389195U (en) * | 2016-12-28 | 2017-08-08 | 卧龙电气集团股份有限公司 | Permagnetic synchronous motor p-m rotor punching and permagnetic synchronous motor |
| CN106953488A (en) * | 2017-05-22 | 2017-07-14 | 江苏雅迪科技发展有限公司宁波分公司 | A built-in wheel hub motor and an electric vehicle using the same |
| CN107070032A (en) * | 2017-06-23 | 2017-08-18 | 江苏航天动力机电有限公司 | New-energy automobile wheel hub motor rotor punching |
| CN107086688A (en) * | 2017-06-23 | 2017-08-22 | 江苏航天动力机电有限公司 | Compact asynchronous starting permagnetic synchronous motor segmented rotor structure |
| CN207134900U (en) * | 2017-09-05 | 2018-03-23 | 江苏航天动力机电有限公司 | A kind of new-energy automobile wheel hub motor rotor core structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023237827A1 (en) | 2022-06-09 | 2023-12-14 | Nidec Psa Emotors | Rotor for a rotary electric machine |
| FR3136611A1 (en) | 2022-06-09 | 2023-12-15 | Nidec Psa Emotors | Rotor of rotating electric machine |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171128 |
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| RJ01 | Rejection of invention patent application after publication |