CN206908405U - A kind of rotor core and magneto - Google Patents
A kind of rotor core and magneto Download PDFInfo
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- CN206908405U CN206908405U CN201720571317.XU CN201720571317U CN206908405U CN 206908405 U CN206908405 U CN 206908405U CN 201720571317 U CN201720571317 U CN 201720571317U CN 206908405 U CN206908405 U CN 206908405U
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- rotor core
- keyway
- magneto
- rotor
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- 208000020442 loss of weight Diseases 0.000 claims description 5
- 238000003475 lamination Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model is related to technical field of motors, technical problem to be solved is that can have the function that skewed stator slot, reduces cogging torque on a kind of rotor core and magneto.The technical scheme mainly used for：Rotor core, it includes：Rotor core body, permanent magnet mounting groove, keyway and axis hole are provided with rotor core body；Permanent magnet mounting groove is distributed on rotor core body, and axis hole is arranged on rotor core body central position, and keyway is arranged on one week of axis hole；Wherein, keyway quantity is six, and the first keyway to the 6th keyway is spaced 62 degree successively in six keyways, 50 degree of the first keyway and the 6th keyway interval.Magneto is manufactured using rotor core provided by the utility model, multiple rotor cores can be stacked gradually together, the first keyway to the 6th keyway dislocation between each rotor core is relative, such assembling mode solves the problems, such as cogging torque equivalent to skewed stator slot is provided with the keyway of rotor core.
Description
Technical field
Technical field of motors is the utility model is related to, more particularly to a kind of rotor core and magneto.
Background technology
At present, the phenomenon of cogging torque for magneto all be present, the phenomenon directly causes the velocity perturbation of motor, electricity
Machine vibration and noise.Magneto is to reduce cogging torque major measure to be at present：Using skewed stator slot, though skewed stator slot
Cogging torque can effectively be reduced, but be not easy in stator production process to realize automation, as core lamination stack can only manual lamination,
The automatic cramp of high-speed punching can not be carried out；Stator built-in line can only hand insertion, automatic line inserting etc. can not be carried out, in addition with artificial
The increase of cost, the originally automation of production process equipment, skewed stator slot mode will be unable to meet or increase automatic production difficulty,
Particularly new-energy automobile permagnetic synchronous motor, customer requirement homogeneity of product is harsher, and artificial production can not meet at all will
Ask.
So need further to solve for the cogging torque phenomenon of magneto.
Utility model content
Main purpose of the present utility model is, there is provided the rotor core and magneto of a kind of new structure, to be solved
Technical problem certainly is that can have the function that skewed stator slot, cogging torque is reduced, thus more suitable for practicality.
The purpose of this utility model and solves its technical problem using following technical scheme to realize.According to this practicality
The rotor core of new proposition, it includes：
Rotor core body, permanent magnet mounting groove, keyway and axis hole are provided with the rotor core body；
The permanent magnet mounting groove is distributed on the rotor core body, and the axis hole is arranged on the rotor core sheet
Body center, the keyway are arranged on one week of the axis hole；
Wherein, the keyway quantity is six, and the first keyway is spaced 62 degree successively to the 6th keyway in six keyways,
50 degree of first keyway and the 6th keyway interval.
The purpose of this utility model and solve its technical problem and can also be applied to the following technical measures to achieve further.
Preferably, foregoing rotor core, wherein being also evenly arranged with loss of weight through hole on the rotor core body.
Preferably, foregoing rotor core, wherein the permanent magnet mounting groove is polygon.
Preferably, foregoing rotor core, wherein the keyway is rectangle keyway.
The purpose of this utility model and solve its technical problem and also realized using following technical scheme.According to this practicality
A kind of magneto of new proposition, it includes：
Motor body；
Multiple rotor cores；
The rotor core includes：Rotor core body, permanent magnet mounting groove, key are provided with the rotor core body
Groove and axis hole；
The permanent magnet mounting groove is distributed on the rotor core body, and the axis hole is arranged on the rotor core sheet
Body center, the keyway are arranged on one week of the axis hole；
Wherein, the keyway quantity is six, and the first keyway is spaced 62 degree successively to the 6th keyway in six keyways,
50 degree of first keyway and the 6th keyway interval；
Wherein, multiple rotor cores are divided into corresponding N parts, first part of rotor according to the number of poles N of magneto
Iron core stacks gradually together to N parts rotor core, the first keyway between every part of rotor core to the 6th key
Groove dislocation is relative.
The purpose of this utility model and solve its technical problem and can also be applied to the following technical measures to achieve further.
Preferably, foregoing magneto, wherein turning described in the first keyway of first part of rotor core and second part
Second keyway of sub- iron core aligns, the second keyway of second part of rotor core and the 3rd of the 3rd part of rotor core the
Keyway aligns, the stacking arrangement N parts rotor core analogized in the above described manner and circulated.
Preferably, foregoing magneto, wherein turning described in the first keyway of first part of rotor core and second part
Second keyway of sub- iron core aligns, the first keyway of second part of rotor core and the second of the 3rd part of rotor core
Keyway aligns, and analogizes stacking N parts rotor core of circulation in the above described manner.
By above-mentioned technical proposal, the utility model rotor core and magneto at least have following advantages：
In technical solutions of the utility model, the interval between six keyways of rotor core is not commonly used in the prior art
Uniform intervals mode, but the first keyway to the 6th keyway is spaced 62 degree successively in six keyways, first keyway and
6th 50 degree of keyway interval, magneto is being manufactured using rotor core provided by the utility model, in multiple rotor core heaps
When folded, multiple rotor cores can be divided into corresponding N parts, first part of rotor core to N parts according to the number of poles N of magneto
Rotor core stacks gradually together, and the first keyway between every part of rotor core is relative to the dislocation of the 6th keyway, such group
Dress mode on the keyway of rotor core equivalent to being provided with skewed stator slot, and rotor core can be according to setting in assembling in advance
The assembling of fixed arrangement mode automation, solve the stator with skewed stator slot in the prior art and be not easy in process of production
Realize automation, core lamination stack can only manual lamination, can not carry out the automatic cramp of high-speed punching, stator built-in line can only hand insertion,
Automatic line inserting etc. can not be carried out, while disclosure satisfy that rigors of the client to homogeneity of product.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is a kind of structural representation for rotor core that embodiment of the present utility model provides；
Fig. 2 is a kind of structural representation of the multiple rotor cores connection for magneto that embodiment of the present utility model provides
Figure；
Fig. 3 is that the structure of the multiple rotor cores connection for another magneto that embodiment of the present utility model provides is shown
It is intended to.
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model taken,
Below in conjunction with accompanying drawing and preferred embodiment, to according to the utility model proposes rotor core and magneto, it is embodied
Mode, structure, feature and its effect, describe in detail as after.In the following description, different " embodiment " or " embodiment " refers to
Be not necessarily the same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can be by any suitable
Form combines.
Embodiment one
As shown in figure 1, a kind of rotor core that embodiment one of the present utility model proposes, it includes：Rotor core body
1, permanent magnet mounting groove 11, keyway 12 and axis hole 13 are provided with the rotor core body 1；The permanent magnet mounting groove 11
It is distributed on the rotor core body 1, the axis hole 13 is arranged on the center of rotor core body 1, the keyway
12 are arranged on one week of the axis hole 12；Wherein, the quantity of keyway 12 is six, and first keyway arrives in six keyways 12
6th keyway is spaced 62 degree successively, 50 degree of first keyway and the 6th keyway interval.
Specifically, rotor core commonly used in the prior art can be selected in the body of rotor core, its used material can
Without modification, main technological innovation point is the set-up mode of keyway, and rotor core provided by the utility model sets six keys
Groove, using one of keyway as the first keyway, then using the center of the keyway as zero degree position, the second keyway to the 6th key afterwards
Groove, successively between two neighboring keyway at intervals of 62 degree, between the 6th last keyway and the first keyway at intervals of 50 degree.
In technical solutions of the utility model, the interval between six keyways of rotor core is not commonly used in the prior art
Uniform intervals mode, but the first keyway to the 6th keyway is spaced 62 degree successively in six keyways, first keyway and
6th 50 degree of keyway interval, magneto is being manufactured using rotor core provided by the utility model, in multiple rotor core heaps
When folded, multiple rotor cores can be divided into corresponding N parts, first part of rotor core to N parts according to the number of poles N of magneto
Rotor core stacks gradually together, and the first keyway between every part of rotor core is relative to the dislocation of the 6th keyway, such group
Dress mode on the keyway of rotor core equivalent to being provided with skewed stator slot, and rotor core can be according to setting in assembling in advance
The assembling of fixed arrangement mode automation, solve the stator with skewed stator slot in the prior art and be not easy in process of production
Realize automation, core lamination stack can only manual lamination, can not carry out the automatic cramp of high-speed punching, stator built-in line can only hand insertion,
Automatic line inserting etc. can not be carried out, while disclosure satisfy that rigors of the client to homogeneity of product.
As shown in figure 1, among specific implementation, wherein being also evenly arranged with loss of weight through hole on the rotor core body
14；The permanent magnet mounting groove 11 is polygon；The keyway 12 is rectangle keyway.
Specifically, loss of weight through hole needs uniformly to be arranged on one week of rotor core body, rotor core body is placed
Deflected during rotation, while loss of weight through hole can effectively reduce the weight of rotor core.Other permanent magnet mounting grooves can
To be arranged to different structure type according to specific needs, wherein optimal for polygon groove.
Embodiment two
As Figure 1-3, embodiment two of the present utility model proposes a kind of magneto, and it includes：Motor body；It is multiple
Rotor core；The rotor core includes：Rotor core body 1, permanent magnet mounting groove is provided with the rotor core body 1
11st, keyway 12 and axis hole 13；The permanent magnet mounting groove 11 is distributed on the rotor core body 1, and the axis hole 13 is set
Put and be arranged on one week of the axis hole 13 in the center of rotor core body 1, the keyway 12；The quantity of keyway 12
For six, first keyway to the 6th keyway is spaced 62 degree successively in six keyways 12, first keyway and the 6th keyway
50 degree of interval；Wherein, multiple rotor cores are divided into corresponding N parts, first part of rotor according to the number of poles N of magneto
Iron core stacks gradually together to N parts rotor core, the first keyway between every part of rotor core to the 6th key
Groove dislocation is relative.
Specifically, the rotor iron of the offer of above-described embodiment one can be used directly in the rotor core described in the present embodiment two
Core, concrete implementation structure can be found in the related content described in above-described embodiment one, and here is omitted.
In technical solutions of the utility model, the interval between six keyways of rotor core is not commonly used in the prior art
Uniform intervals mode, but the first keyway to the 6th keyway is spaced 62 degree successively in six keyways, first keyway and
6th 50 degree of keyway interval, magneto is being manufactured using rotor core provided by the utility model, in multiple rotor core heaps
When folded, multiple rotor cores can be divided into corresponding N parts, first part of rotor core to N parts according to the number of poles N of magneto
Rotor core stacks gradually together, and the first keyway between every part of rotor core is relative to the dislocation of the 6th keyway, such group
Dress mode on the keyway of rotor core equivalent to being provided with skewed stator slot, and rotor core can be according to setting in assembling in advance
The assembling of fixed arrangement mode automation, solve the stator with skewed stator slot in the prior art and be not easy in process of production
Realize automation, core lamination stack can only manual lamination, can not carry out the automatic cramp of high-speed punching, stator built-in line can only hand insertion,
Automatic line inserting etc. can not be carried out, while disclosure satisfy that rigors of the client to homogeneity of product.
Among specific implementation, wherein in order to realize the work(of skewed stator slot using rotor core provided by the utility model
Can be then wrong in a predetermined manner according to its keyway by the rotor core after packet, it is necessary to be grouped to multiple rotor cores
The arrangement of position.
The arrangement mode of rotor core can be：First keyway of first part of rotor core and the of second part of rotor core
Two keyways align, and the key-groove of the second keyway of second part of rotor core and the 3rd part of rotor core aligns, with above-mentioned
Stacking arrangement N part rotor cores that mode is analogized and circulated, its structure type can refer to Fig. 3.
Or the second keyway of the first keyway of first part of rotor core and second part of rotor core aligns, second part
Second keyway of the first keyway of rotor core and the 3rd part of rotor core aligns, and analogizes the stacking N of circulation in the above described manner
Part rotor core, its structure type can refer to Fig. 2.
Or the arrangement of every part of rotor core can have other modes, as long as can ensure that N part rotor cores arrange it
The function of skewed stator slot can be realized afterwards, and the utility model does not do specific arrangement mode and limited.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, any simple modification, equivalent change and modification made to above example according to the technical essence of the utility model,
In the range of still falling within technical solutions of the utility model.
Claims (7)
1. a kind of rotor core, it is characterised in that it includes：
Rotor core body, permanent magnet mounting groove, keyway and axis hole are provided with the rotor core body；
The permanent magnet mounting groove is distributed on the rotor core body, and the axis hole is arranged in the rotor core body
Heart position, the keyway are arranged on one week of the axis hole；
Wherein, the keyway quantity is six, and the first keyway to the 6th keyway is spaced 62 degree successively in six keyways, described
50 degree of first keyway and the 6th keyway interval.
2. according to a kind of rotor core described in claim 1, it is characterised in that
Loss of weight through hole is also evenly arranged with the rotor core body.
3. according to a kind of rotor core described in claim 1, it is characterised in that
The permanent magnet mounting groove is polygon.
4. according to a kind of rotor core described in claim 1, it is characterised in that
The keyway is rectangle keyway.
5. a kind of magneto, it is characterised in that it includes：
Motor body；
Any rotor core in multiple the claims 1-4；
Wherein, multiple rotor cores are divided into corresponding N parts, first part of rotor core according to the number of poles N of magneto
Stacked gradually together to N parts rotor core, the first keyway between every part of rotor core is wrong to the 6th keyway
Position is relative.
6. according to a kind of magneto described in claim 5, it is characterised in that
Second keyway of the first keyway of first part of rotor core and second part of rotor core aligns, second part of institute
The key-groove for stating the second keyway and the 3rd part of rotor core of rotor core aligns, and analogizes in the above described manner and circulates
Stacking arrangement N parts rotor core.
7. according to a kind of magneto described in claim 5, it is characterised in that
Second keyway of the first keyway of first part of rotor core and second part of rotor core aligns, second part of institute
The second keyway for stating the first keyway and the 3rd part of rotor core of rotor core aligns, and analogizes circulation in the above described manner
Stack N parts rotor core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720571317.XU CN206908405U (en) | 2017-05-22 | 2017-05-22 | A kind of rotor core and magneto |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720571317.XU CN206908405U (en) | 2017-05-22 | 2017-05-22 | A kind of rotor core and magneto |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206908405U true CN206908405U (en) | 2018-01-19 |
Family
ID=61289450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720571317.XU Expired - Fee Related CN206908405U (en) | 2017-05-22 | 2017-05-22 | A kind of rotor core and magneto |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206908405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546774A (en) * | 2018-12-04 | 2019-03-29 | 菲仕绿能科技(北京)有限公司 | A kind of oblique pole structure of permanent-magnetic synchronous motor rotor and assemble method |
-
2017
- 2017-05-22 CN CN201720571317.XU patent/CN206908405U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546774A (en) * | 2018-12-04 | 2019-03-29 | 菲仕绿能科技(北京)有限公司 | A kind of oblique pole structure of permanent-magnetic synchronous motor rotor and assemble method |
| CN109546774B (en) * | 2018-12-04 | 2023-10-31 | 菲仕绿能科技(北京)有限公司 | Rotor oblique pole structure of permanent magnet synchronous motor and assembly method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190906 Address after: 355000 No. 17 Industrial and Trade Road, Gantang Town, Fuan City, Ningde City, Fujian Province Patentee after: FU'AN ZHONGLIAN ALUMINUM INDUSTRY Co.,Ltd. Address before: 558200 Dushan High-tech Industrial Park, Dushan County, Buyi and Miao Autonomous Prefecture, Southwest Guizhou Province Patentee before: GUIZHOU DAGONG NEW ENERGY TECHNOLOGY CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 |