CN206313557U - Lightweight motor and its rotor sheet and rotor - Google Patents
Lightweight motor and its rotor sheet and rotor Download PDFInfo
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- CN206313557U CN206313557U CN201621346252.0U CN201621346252U CN206313557U CN 206313557 U CN206313557 U CN 206313557U CN 201621346252 U CN201621346252 U CN 201621346252U CN 206313557 U CN206313557 U CN 206313557U
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model belongs to technical field of motors, is related to a kind of motor, especially a kind of lightweight motor and its rotor sheet and rotor.Solve that Lightened structure in the prior art is single, weight loss effect is poor, and efficiency is low, noise is big, and torque pulsation is high, the problem of many pair moulds processing is needed when skewed pole rotor is needed.It includes a kind of lightweight electrical machinery rotor sheet, the radially outside of sheet noumenon is provided with Lightened structure, sheet noumenon is provided with and some are uniformly distributed in circumferencial direction and near the magnet installation unit of sheet noumenon radially outer edge, the positioning Lightened structure for having loss of weight and positioning action concurrently between Lightened structure and magnet installation unit are additionally provided with described sheet noumenon.The utility model uses multiplet loss of weight, and weight loss effect is good, and efficiency high, noise is low, and torque pulsation is low, in the case of the oblique pole of rotor requirement, is designed using porous array, can be met using single mold and required, and realizes dual loss of weight, saves die cost.
Description
Technical field
The utility model belongs to technical field of power equipment, is related to motor, especially a kind of lightweight motor and its rotor
Piece and rotor.
Background technology
World car technology just develops towards directions such as energy-saving and environmental protection, safety, energy ezpenditure and the automobile itself of automobile
Weight is directly proportional, therefore, want to reduce unnecessary energy ezpenditure, should ensure that and mitigate automobile itself as far as possible on the premise of safety
Weight.For new-energy automobile, the ratio of complete vehicle quality shared by motor is higher, and from electric machine structure, especially lamination structure enters
Hand mitigates quality, very notable to entire new energy automobile light weight effect.Rotor and motor stator are for realizing electricity
The core component that can be changed with mechanical energy, and rotor is the rotary part in motor.Rotor punching is then rotor
Important composition, its material, flute profile, size, the quantity of groove have directly influence on the weight and efficiency of motor, typically by designing
Personnel have the design after certain thinking to model change, and good mechanics is realized by changing the parameter and arrangement mode of shape
Performance.Skewed stator slot or rotor segment tiltedly extremely can effectively reduce torque pulsation, and then improve electric motor of automobile NVH performances.But it is fixed
Sub- skewed slot mode can not realize automatic stator winding, reduce production efficiency and homogeneity of product.And rotor punching rotates certain angle
Degree carries out the mode of the oblique pole of closed assembly i.e. rotor segment reduces the purpose of noise of motor and torque pulsation to reach, and effect ten is clearly demarcated
It is aobvious.Rotor punching typically carries out punching press using many pair moulds, realizes the location and installation of skewed pole rotor.
Traditional rotor structure when skewed pole rotor is needed, the position of circular locating openings each section of angle it is different, it is necessary to
Many pair mould processing, product time cost and fund input rise.Traditional rotor structure carries out light-weight design, general to use
The certain fabrication hole of punching on rotor punching, by the way of single structure lightening hole circumference array.Therefore it is traditional to turn
Minor structure is not carried out than preferably light-weight design on the premise of functional requirement and reliability requirement is realized.
In order to solve the problems, such as prior art, people have carried out long-term exploration, it is proposed that solution miscellaneous
Scheme.For example, Chinese patent literature discloses a kind of permanent-magnetic synchronous motor rotor module [application number：201210482371.9],
Including fixing the stacked rotor body being integrated by multi-disc rotor punching, inserting is opened in permanent magnetism on the rotor body vertically
Permanent magnet in body mounting hole；Multiple sector lightening holes are uniformly offered vertically around the armature spindle mounting hole of rotor body；
Annular magnetic steel retaining ring has been fastened respectively at rotor body two ends.
Although such scheme solves the problems, such as that prior art weight is big to a certain extent, the program is still present
：Using single structure loss of weight, weight loss effect is poor, and efficiency is low, and noise is big, and torque pulsation is high, the needs when skewed pole rotor is needed
The problems such as many pair moulds are processed.
The content of the invention
The purpose of this utility model is directed to above mentioned problem, there is provided a kind of reasonable in design, simple structure, can effectively reduce
The lightweight rotor of weight.
It is of the present utility model another object is that regarding to the issue above, there is provided a kind of reasonable in design, simple structure, can be effective
Reduce single skewed pole rotor or step skewed pole rotor of weight.
It is of the present utility model another object is that regarding to the issue above, there is provided a kind of reasonable in design, simple structure, can be effective
Reduce the lightweight motor of weight.
To achieve the above object, the utility model uses following technical proposal：A kind of lightweight electrical machinery rotor sheet, including tool
There is centre bore and in circular sheet noumenon, the center bore of described sheet noumenon is provided with Lightened structure laterally, described
Sheet noumenon be provided with some being uniformly distributed in circumferencial direction and near the magnet installation unit of sheet noumenon radially outer edge, institute
The positioning for having loss of weight and positioning action concurrently between Lightened structure and magnet installation unit is additionally provided with the sheet noumenon stated
Lightened structure.
In above-mentioned lightweight electrical machinery rotor sheet, described positioning Lightened structure is to include the porous array knot of some through holes
Structure to form step skewed pole rotor so as to realize that the electrical machinery rotor sheet being made with single processing mold is assembled, and described positioning subtracts
Weight structure each section of skewed pole rotor when the assembling of step skewed pole rotor is carried out rotates to an angle at least some logical after being laminated
Hole is alignd as location hole, and remaining unjustified through hole is then as lightening hole.
In above-mentioned lightweight electrical machinery rotor sheet, described positioning Lightened structure includes being set with circular arc direction uniform intervals
One group of through hole that some through holes of angle are formed for elementary cell in circumference array is determined, with circular arc direction uniform intervals set angle
Other some through holes of degree are another group of through hole that another elementary cell is formed in circumference array, and two elementary cells are adjacent to lead to
Another through hole is provided between hole and the through hole forms some in the equally distributed through hole of circumferencial direction in circumference array, above-mentioned is logical
Hole is respectively positioned on same circumference.
In above-mentioned lightweight electrical machinery rotor sheet, described positioning Lightened structure also includes with circular arc direction uniform intervals
Some loss of weight through holes of set angle are elementary cell forms one group of loss of weight through hole in circumferential array, described loss of weight through hole with it is logical
Hole is respectively positioned on same circumference.
In above-mentioned lightweight electrical machinery rotor sheet, with four through holes in 31.6 ° of circular arc direction uniform intervals as substantially single
Eight through holes that unit is formed in circumference array, with the four additional through hole in 31.6 ° of circular arc direction uniform intervals for it is another substantially
Other eight through holes that unit is formed in circumference array, the interval angles between the adjacent through hole of two elementary cells are 15.2 °
And two adjacent through hole centre positions be provided with another through hole and the through hole circumference array formed four circumferencial directions it is uniform
The through hole of distribution；The quantity of described loss of weight through hole is for four and in waist type.
In above-mentioned lightweight electrical machinery rotor sheet, described Lightened structure includes some in the distribution of circumferencial direction uniform intervals
The first lightening hole, second lightening hole, the first described loss of weight are respectively equipped between two adjacent the first lightening holes
In the drift angle of isosceles triangle and the isosceles triangle towards centre bore, the second described lightening hole is in isosceles triangle and is somebody's turn to do in hole
The drift angle of isosceles triangle dorsad centre bore, the area of the area more than the second lightening hole of described the first lightening hole.
In above-mentioned lightweight electrical machinery rotor sheet, the drift angle of the first described lightening hole is located at the base of the second lightening hole
On same circumference, the waist of the first adjacent lightening hole is parallel to each other with the waist of the second lightening hole.
In above-mentioned lightweight electrical machinery rotor sheet, described magnet installation unit is including two radiuses with sheet noumenon
The skewed slot that the axial symmetry of symmetry axis is set, two skewed slots set in V-shape and V-shape head towards the sheet noumenon center of circle；Institute
The quantity of the magnet installation unit stated is 12.
Using the above-mentioned single skewed pole rotor of lightweight electrical machinery rotor sheet composition or step skewed pole rotor, described step skewed pole
Rotor assembles to be formed and carried out each section when step skewed pole rotor is assembled with the electrical machinery rotor sheet that single processing mold is made
Skewed pole rotor rotates to an angle, and used as location hole, remaining unjustified through hole is then at least some through hole alignment after being laminated
As lightening hole.
Using the lightweight motor of above-mentioned single skewed pole rotor or step skewed pole rotor.
Compared with prior art, the utility model has the advantage of：Using multiplet loss of weight, weight loss effect is good, effect
Rate is high, and noise is low, and torque pulsation is low, in the case of rotor requirement step skewed pole, is designed using porous array, uses single mould
Tool can meet requirement, and realize dual loss of weight, save die cost.
Brief description of the drawings
Fig. 1 provides the structural representation of the utility model lightweight electrical machinery rotor sheet.
Fig. 2 provides the positioning Lightened structure sign picture of the utility model lightweight electrical machinery rotor sheet.
Fig. 3 provides the utility model step skewed pole rotor structure schematic diagram.
Fig. 4 provides the utility model step skewed pole rotor dimensional structure diagram.
In figure, sheet noumenon 1, centre bore 101, Lightened structure 2, the first lightening hole 201, the second lightening hole 202, magnet peace
Dress unit 3, skewed slot 301, positioning Lightened structure 4, through hole 401, loss of weight through hole 402.
Specific embodiment
According to Fig. 1, this lightweight electrical machinery rotor sheet is included with centre bore 101 and in circular sheet noumenon 1,
The radial outside of centre bore 101 of sheet noumenon 1 is provided with Lightened structure 2, and sheet noumenon 1 is provided with and some uniformly divides in circumferencial direction
The magnet installation unit 3 of cloth and the close radially outer edge of sheet noumenon 1, is additionally provided with positioned at Lightened structure 2 and magnet on sheet noumenon 1
The positioning Lightened structure 4 for having loss of weight and positioning action concurrently between installation unit 3.Lightened structure 2 is designed near sheet noumenon 1
The side at center, moment of torsion suffered by the region is less than outside, and Lightened structure 2 is designed in the region, compared to identical safety coefficient and
More weight can be reduced under intensity requirement.Magnet installation unit 3 includes two axles with the radius of sheet noumenon 1 as symmetry axis
Symmetrically arranged skewed slot 301, two skewed slots 301 set in V-shape and V-shape head towards the center of circle of sheet noumenon 1；Magnet is pacified
The quantity for filling unit 3 is 12.
Positioning Lightened structure 4 is to include the porous array structure of some through holes 401 so as to realize with single processing mold system
The electrical machinery rotor sheet made assembles to form step skewed pole rotor, and positioning Lightened structure 4 is when the assembling of step skewed pole rotor is carried out
Each section of skewed pole rotor after rotating to an angle and being laminated at least some through holes 401 align as location hole, remaining is unjustified
Through hole 401 then as lightening hole.The design of lightening hole realizes the secondary loss of weight beyond Lightened structure, makes using above-mentioned rotor
The rotor weight of punching further mitigates.As shown in Fig. 2 positioning Lightened structure 4 includes being set with circular arc direction uniform intervals
Some through holes 401 of angle are one group of through hole 401 that elementary cell is formed in circumference array, are set with circular arc direction uniform intervals
Determine another group of through hole 401 that other some through holes 401 of angle are formed for another elementary cell in circumference array, two substantially single
Another through hole 401 is provided between the adjacent through hole 401 of unit and the through hole 401 forms some uniform in circumferencial direction in circumference array
The through hole 401 of distribution, above-mentioned through hole 401 is respectively positioned on same circumference.Positioning Lightened structure 4 also includes with equal in circular arc direction
Some loss of weight through holes 402 of even interval set angle form one group of loss of weight through hole 402 for elementary cell in circumferential array, and loss of weight leads to
Hole 402 is respectively positioned on same circumference with through hole 401.A diameter of 5mm of through hole 401.
With eight formed in circumference array for elementary cell in four through holes 401 of 31.6 ° of circular arc direction uniform intervals
Through hole 401, is another elementary cell in circumference array shape with the four additional through hole 401 of 31.6 ° of circular arc direction uniform intervals
Into other eight through holes 401, the interval angles between the adjacent through hole 401 of two elementary cells are 15.2 ° and adjacent
Two centre positions of through hole 401 are provided with another through hole 401 and the through hole 401 forms four circumferencial directions and uniformly divides in circumference array
The through hole 401 of cloth；The quantity of loss of weight through hole 402 is for eight and in waist type.
In the utility model, Lightened structure 2 includes some the first lightening holes 201 in the distribution of circumferencial direction uniform intervals,
Second lightening hole 202 is respectively equipped between two adjacent the first lightening holes 201, the first lightening hole 201 is in isosceles three
Towards centre bore 101, the second lightening hole 202 is in isosceles triangle and the isosceles triangle to angular and the isosceles triangle drift angle
Drift angle dorsad centre bore 101, the area of the area more than the second lightening hole 202 of the first lightening hole 201.First lightening hole 201
Drift angle and the base of the second lightening hole 202 be located on same circumference, the waist and the second lightening hole of adjacent the first lightening hole 201
202 waist is parallel to each other, and spacing between the two is 2mm.In the present embodiment, the first lightening hole 201 is isosceles triangle, and
The corner of isosceles triangle is in arc-shaped.The corner angle of the second lightening hole 202 is 26 °.First lightening hole 201 and the second loss of weight
The quantity in hole 202 is respectively 12.
As shown in Figures 3 and 4, step skewed pole rotor assembled with the electrical machinery rotor sheet that single processing mold is made to be formed and
At least some through holes 401 pairs after each section of skewed pole rotor rotates to an angle and laminated when the assembling of step skewed pole rotor is carried out
Together as location hole, remaining unjustified through hole 401 is then as lightening hole.Bolt is worn in location hole to realize fixing.This reality
Applying a skewed-rotor can use 2 sections or 4 sections oblique poles.
And, using the lightweight motor of above-mentioned single skewed pole rotor or step skewed pole rotor.
Operation principle of the present utility model and advantage：The centre bore 101 of the sheet noumenon 1 of lightweight electrical machinery rotor sheet is radially
Outside is provided with Lightened structure 2, and this Lightened structure 2 is double structure lightening hole, and lightweight is rotated using this lightweight rotor sheet
Rotor is ensureing the requirement of unaffected rotor magnetic circuit, structure function and reliability, and rotor weight is greatly reduced, and weight is than passing
System structure mitigates up to 10% or so, saves drive energy.Under the operating mode of the oblique pole of rotor requirement, by different sections of lightweight rotor
Punching rotates to an angle, and magnet installation unit 3 is installed on oblique pole, and lightweight rotor punching and is positioned with several
Hole keeps alignment, used as location hole.The rotor punching of another model need not be produced using other moulds.Save mould
Development cost and R＆D cycle.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more having used sheet noumenon 1, centre bore 101, Lightened structure 2, the first lightening hole 201, second herein
The terms such as lightening hole 202, magnet installation unit 3, skewed slot 301, positioning Lightened structure 4, through hole 401, loss of weight through hole 402, but simultaneously
It is not excluded for using the possibility of other terms.It is used for the purpose of more easily describing and explaining the utility model using these terms
Essence；Any additional limitation is construed as all to be disagreed with the utility model spirit.
Claims (10)
1. a kind of lightweight electrical machinery rotor sheet, including with centre bore (101) and in circular sheet noumenon (1), its feature
It is that centre bore (101) radial outside of described sheet noumenon (1) is provided with Lightened structure (2), described sheet noumenon (1)
Be provided with it is some circumferencial direction be uniformly distributed and near sheet noumenon (1) radially outer edge magnet installation unit (3), it is described
It is additionally provided with sheet noumenon (1) and has loss of weight and positioning action concurrently between Lightened structure (2) and magnet installation unit (3)
Positioning Lightened structure (4).
2. lightweight electrical machinery rotor sheet according to claim 1, it is characterised in that described positioning Lightened structure (4) is
Porous array structure including some through holes (401) is assembled so as to realize the electrical machinery rotor sheet being made with single processing mold
Step skewed pole rotor is formed, described positioning Lightened structure (4) is carrying out each section of skewed pole rotor rotation when step skewed pole rotor is assembled
, used as location hole, remaining unjustified through hole (401) is then to turn at least some through hole (401) alignment after certain angle is laminated
As lightening hole.
3. lightweight electrical machinery rotor sheet according to claim 2, it is characterised in that described positioning Lightened structure (4) bag
One group to be formed in circumference array for elementary cell in some through holes (401) of circular arc direction uniform intervals set angle is included to lead to
Hole (401), is another elementary cell in Circle-Array with other some through holes (401) of circular arc direction uniform intervals set angle
Another group of through hole (401) for being formed is arranged, another through hole (401) and should is provided between the adjacent through hole (401) of two elementary cells
Through hole (401) forms some in the equally distributed through hole of circumferencial direction (401), above-mentioned through hole (401) position in circumference array
In on same circumference.
4. lightweight electrical machinery rotor sheet according to claim 3, it is characterised in that described positioning Lightened structure (4) is also
Including with some loss of weight through holes (402) of circular arc direction uniform intervals set angle be elementary cell circumferential array formed one
Group loss of weight through hole (402), described loss of weight through hole (402) is respectively positioned on same circumference with through hole (401).
5. lightweight electrical machinery rotor sheet according to claim 4, it is characterised in that with circular arc direction uniform intervals
Eight through holes (401) that 31.6 ° of four through holes (401) are formed for elementary cell in circumference array, with uniform in circular arc direction
The four additional through hole (401) at 31.6 ° of interval is other eight through holes (401) that another elementary cell is formed in circumference array,
Interval angles between the adjacent through hole (401) of two elementary cells are 15.2 ° and in two adjacent through hole (401) interpositions
Another through hole (401) is installed and the through hole (401) has formed four equally distributed through holes of circumferencial direction in circumference array
(401)；The quantity of described loss of weight through hole (402) is for eight and in waist type.
6. the lightweight electrical machinery rotor sheet according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that described loss of weight knot
Structure (2) includes some the first lightening holes (201) in the distribution of circumferencial direction uniform intervals, in two adjacent the first lightening holes
(201) be respectively equipped with second lightening hole (202) between, described the first lightening hole (201) in isosceles triangle and this etc.
, towards centre bore (101), described the second lightening hole (202) is in isosceles triangle and the isosceles triangle for the drift angle of lumbar triangle shape
Drift angle dorsad centre bore (101), the area of the area more than the second lightening hole (202) of described the first lightening hole (201).
7. lightweight electrical machinery rotor sheet according to claim 6, it is characterised in that described the first lightening hole (201)
The base of drift angle and the second lightening hole (202) is located on same circumference, the waist and the second loss of weight of adjacent the first lightening hole (201)
The waist in hole (202) is parallel to each other.
8. lightweight electrical machinery rotor sheet according to claim 6, it is characterised in that described magnet installation unit (3) bag
The skewed slot (301) that two axial symmetry with the radius of sheet noumenon (1) as symmetry axis are set is included, two skewed slots (301) are in V-shape
Set and V-shape head towards sheet noumenon (1) center of circle；The quantity of described magnet installation unit (3) is 12.
9. a kind of single skewed pole rotor of the lightweight electrical machinery rotor sheet in use claim 1-8 described in any one or segmentation are oblique
Pole rotor, described step skewed pole rotor assembles to be formed and divided with the electrical machinery rotor sheet that single processing mold is made
At least some through hole (401) alignment conducts after each section of skewed pole rotor rotates to an angle and laminated when section skewed pole rotor is assembled
Location hole, remaining unjustified through hole (401) is then as lightening hole.
10. single skewed pole rotor or the lightweight motor of step skewed pole rotor described in a kind of use claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621346252.0U CN206313557U (en) | 2016-12-09 | 2016-12-09 | Lightweight motor and its rotor sheet and rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621346252.0U CN206313557U (en) | 2016-12-09 | 2016-12-09 | Lightweight motor and its rotor sheet and rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206313557U true CN206313557U (en) | 2017-07-07 |
Family
ID=59251014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621346252.0U Withdrawn - After Issue CN206313557U (en) | 2016-12-09 | 2016-12-09 | Lightweight motor and its rotor sheet and rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206313557U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070023A (en) * | 2016-12-09 | 2017-08-18 | 浙江零跑科技有限公司 | Lightweight motor and its rotor sheet and rotor |
| CN111435797A (en) * | 2019-01-15 | 2020-07-21 | 本田技研工业株式会社 | Rotor core of rotating electrical machine |
-
2016
- 2016-12-09 CN CN201621346252.0U patent/CN206313557U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070023A (en) * | 2016-12-09 | 2017-08-18 | 浙江零跑科技有限公司 | Lightweight motor and its rotor sheet and rotor |
| CN107070023B (en) * | 2016-12-09 | 2023-08-15 | 浙江零跑科技股份有限公司 | Lightweight motor and rotor sheet and rotor thereof |
| CN111435797A (en) * | 2019-01-15 | 2020-07-21 | 本田技研工业株式会社 | Rotor core of rotating electrical machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Lightweight motor and its rotor piece and rotor Effective date of registration: 20200921 Granted publication date: 20170707 Pledgee: Hangzhou United Rural Commercial Bank Co.,Ltd. Xixing sub branch Pledgor: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. Registration number: Y2020330000736 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: 6 / F, Xintu building, 451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 Hangzhou City, Zhejiang province 6 / F, Xintu building, No. 451, Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220425 Granted publication date: 20170707 Pledgee: Hangzhou United Rural Commercial Bank Co.,Ltd. Xixing sub branch Pledgor: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. Registration number: Y2020330000736 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170707 Effective date of abandoning: 20230815 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170707 Effective date of abandoning: 20230815 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |