CN206353732U - A kind of permanent magnet rotor component and its permanent magnet brushless electromotor of application - Google Patents
A kind of permanent magnet rotor component and its permanent magnet brushless electromotor of application Download PDFInfo
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- CN206353732U CN206353732U CN201621114472.0U CN201621114472U CN206353732U CN 206353732 U CN206353732 U CN 206353732U CN 201621114472 U CN201621114472 U CN 201621114472U CN 206353732 U CN206353732 U CN 206353732U
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- permanent magnet
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- rotor component
- rotor core
- magnet rotor
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Abstract
The utility model discloses a kind of permanent magnet rotor component and its permanent magnet brushless electromotor of application, permanent magnet rotor component includes rotating shaft and rotor core, and rotor core includes the rotor punching unit and some permanent magnets that several are in fan shape, wherein：Several laminate and are fixedly connected to form rotor core unit in the axial direction in the rotor punching unit of fan shape；Rotor core unit is in be spaced apart in the circumferential；Permanent magnet is fixedly installed in the interval of rotor core unit respectively；Permanent magnet rotor component also includes integrally formed non-magnetic part, and rotor core is fixedly connected by permanent magnet rotor component by non-magnetic part with rotating shaft；The utility model not only significantly improves the stock utilization of rotor silicon steel punching, overcome leakage field problem, and improves damage of the motor bearing current to bearing, at the same it is simple in construction, it is easy to processing and manufacturing, is very beneficial for scale popularization and application.
Description
Technical field
The utility model is related to a kind of motor component, and in particular to a kind of permanent magnet rotor component, the utility model is also related to
And apply the permanent magnet brushless electromotor of the permanent magnet rotor component.
Background technology
In recent years, permanent magnet brushless electromotor is rapidly developed because it has power factor (PF) height, efficiency high, is being permitted at present
Many occasions start progressively to replace the most frequently used AC induction motor.However, with the gradually popularization and application of permasyn morot,
There are still some technical problems, such as cost, the leakage field problem of permanent magnet brushless electromotor etc..
Correlation technique discloses the above mentioned problem for solving permanent magnetism permanent magnet brushless electromotor, such as Publication No. at present
CN103107619A Chinese invention patent discloses a kind of motor, and its rotor core is constituted using multiple iron core blocks, while edge
The multiple magnet of iron core block circumferential array, wherein, multiple circumferentially alternating arrangements of iron core block and multiple magnet, although this iron core block
Structure can improve the stock utilization of rotor silicon steel punching, and overcome leakage field problem, but the technology is electronic in order to overcome
The hidden danger that machine rotor splashes laterally when running at high speed, employs annular plate, passes through annular plate and the jog of each iron core block
Chimeric structure design, structure is complex, and processing technology is cumbersome.
The content of the invention
In view of this, the purpose of this utility model is the brushless, permanently electricity for providing a kind of permanent magnet rotor component and its application
Motivation, not only significantly improves the stock utilization of rotor silicon steel punching, overcomes leakage field problem, and improve bearing of motor
Damage of the electric current to bearing, at the same it is simple in construction, it is easy to processing and manufacturing, is very beneficial for scale popularization and application.
The technical solution adopted in the utility model is as follows：
A kind of permanent magnet rotor component, described permanent magnet rotor component includes rotating shaft and rotor core, described rotor core
Including several rotor punching units and some permanent magnets in fan shape, wherein：
Described several laminate and are fixedly connected to form rotor core in the axial direction in the rotor punching unit of fan shape
Unit；
Described rotor core unit is in be spaced apart in the circumferential；
Described permanent magnet is fixedly installed in the interval of described rotor core unit respectively；
Described permanent magnet rotor component also includes integrally formed non-magnetic part, and described permanent magnet rotor component passes through described
Non-magnetic part described rotor core is fixedly connected with described rotating shaft.
Preferably, described integrally formed non-magnetic part includes integrally formed upper end, bottom, inner peripheral portion and outer
All portions, described inner peripheral portion and peripheral part are connected with described upper and lower end respectively, wherein,
Described upper and lower end is covered each by the upper surface and lower surface of described rotor core；
Described inner peripheral portion is filled between described rotor core inner peripheral surface and described rotating shaft；
Described peripheral part filling is covered in the outer peripheral face of described permanent magnet.
Preferably, the described periphery of rotor punching unit and/or the both sides of inner circumferential are respectively equipped with extension side.
Preferably, described rotor punching unit laminates projection provided with one or more.
Preferably, described rotor punching unit is provided with one or more through holes.
Preferably, described integrally formed non-magnetic part also includes with described upper and lower end being connected respectively
Through hole filling part, described through hole filling part is filled in described through hole.
Preferably, the moulding that described integrally formed non-magnetic part is formed in one.
Preferably, the both ends of the surface of described permanent magnet in the circumferential are the magnetic pole of permanent magnet, described magnetic pole and its circumference
The magnetic pole homopolarity of adjacent permanent magnet is opposed.
Preferably, a kind of permanent magnet brushless electromotor, including stator module and permanent magnet rotor component, wherein, described permanent magnetism
Rotor assembly employs permanent magnet rotor component as described above.
The utility model is by proposing a kind of permanent magnet rotor component, and its rotor core is using several turning in fan shape
Sub- punching sheet unit is overrided to form in the axial direction, and the punching of rotor silicon steel sheet should can be greatly improved in the rotor punching unit of fan shape
Arrangement tight ness rating of the piece in blank operation, and then improve the stock utilization of rotor silicon steel punched chip, rotor silicon steel punched chip
Stock utilization highest can bring up to more than 90%；Further, due to multiple the turning in fan shape of the utility model
Realized by non-magnetic part completely isolated between sub- punching sheet unit, overcoming traditional permanent magnet rotor structure, (rotor punching is using whole
Body is processed, mutually annexation each other) leakage field problem, leakage field is almost nil, can thus improve air gap flux density, improve
The performance of permanent magnet brushless electromotor；Yet further, insulated, can greatly reduced by non-magnetic part between rotor core unit
The pwm signal of permanent magnet brushless electromotor is coupling in the induced voltage in rotating shaft by rotor, and then improves shaft current to axle
The damage held, is further ensured that the service life of permanent magnet brushless electromotor；
The utility model use simultaneously is integrally formed non-magnetic part and realizes that rotor core is fixedly connected with rotating shaft, structure letter
It is single, it is easy to processing and manufacturing, is very beneficial for scale popularization and application.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the permanent magnet rotor component under the utility model embodiment；
Accompanying drawing 2 is sectional view of the accompanying drawing 1 in A-A directions；
Accompanying drawing 3 is sectional view (Fig. 3 not entirely shown rotating shaft 100) of the accompanying drawing 1 in B-B directions；
Accompanying drawing 4 is the structural representation of rotor punching sheet unit in accompanying drawing 1.
Embodiment
The utility model embodiment discloses a kind of permanent magnet rotor component, and permanent magnet rotor component includes rotating shaft and rotor iron
Core, rotor core includes the rotor punching unit and some permanent magnets that several are in fan shape, wherein：Several are in fan-shaped shape
The rotor punching unit of shape is laminated in the axial direction is fixedly connected to form rotor core unit；Between rotor core unit is in the circumferential
Every distribution；Permanent magnet is fixedly installed in the interval of rotor core unit respectively；Permanent magnet rotor component also includes integrally formed non-
Rotor core is fixedly connected by magnetic conductive part, permanent magnet rotor component by non-magnetic part with rotating shaft.
The utility model embodiment is by proposing a kind of permanent magnet rotor component, and its rotor core is in fan-shaped shape using several
The rotor punching unit of shape is overrided to form in the axial direction, should can greatly improve rotor silicon in the rotor punching unit of fan shape
Arrangement tight ness rating of the steel disc punching in blank operation, and then improve the stock utilization of rotor silicon steel punched chip, rotor silicon steel
The stock utilization highest of piece punching can bring up to more than 90%；Further, it is in because the utility model embodiment is multiple
Realized by non-magnetic part completely isolated between the rotor punching unit of fan shape, overcome traditional permanent magnet rotor structure and (turn
Sub- punching is formed using overall processing, mutually annexation each other) leakage field problem, leakage field is almost nil, can thus improve
Air gap flux density, improves the performance of permanent magnet brushless electromotor；Insulated between another step ground, rotor core unit by non-magnetic part,
The pwm signal that permanent magnet brushless electromotor can be greatly reduced is coupling in induced voltage in rotating shaft by rotor, and then improves
Damage of the shaft current to bearing, is further ensured that the service life of permanent magnet brushless electromotor；While the utility model embodiment
Realize that rotor core is fixedly connected with rotating shaft using non-magnetic part is integrally formed, it is simple in construction, it is easy to processing and manufacturing, it is highly beneficial
In scale popularization and application.
The utility model embodiment also discloses a kind of permanent magnet brushless electromotor, including stator module and p-m rotor group
Part, wherein, permanent magnet rotor component employs permanent magnet rotor component as described above.
In order that those skilled in the art more fully understand the technical scheme in the utility model, below in conjunction with this reality
With the accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that
Described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, should all belong to the scope of the utility model protection.
The permanent magnet rotor component shown in Fig. 1-Fig. 3 is referred to, a kind of permanent magnet rotor component, permanent magnet rotor component includes rotating shaft
100 and rotor core 200, rotor core 200 includes the rotor punching unit 210 and some permanent magnets that several are in fan shape
220, it is preferable that the both ends of the surface of permanent magnet 220 in the circumferential are the magnetic pole of permanent magnet, specially N poles and S poles, magnetic pole N poles and its
The magnetic pole N poles homopolarity of circumferentially-adjacent permanent magnet is opposed, the magnetic pole S poles homopolarity pair of the magnetic pole S poles permanent magnet circumferentially-adjacent with it
Put；Wherein：Several laminate and are fixedly connected to form rotor core unit in the axial direction in the rotor punching unit 210 of fan shape
230；Rotor core unit 230 is in be spaced apart in the circumferential；Permanent magnetism is fixedly installed in the interval of rotor core unit 230 respectively
Body 220；Permanent magnet rotor component also includes integrally formed non-magnetic part 300, and permanent magnet rotor component will be turned by non-magnetic part 300
Sub- iron core 200 is fixedly connected with rotating shaft 100.
Preferably, integrally formed non-magnetic part 300 includes integrally formed upper end 310, bottom 320, inner peripheral portion
330 and peripheral part 340, inner peripheral portion 330 and peripheral part 340 are connected with upper end 310 and bottom 320 respectively, wherein, upper end
Portion 310 and bottom 320 are covered each by the upper surface and lower surface of rotor core 200；Inner peripheral portion 330 is filled in rotor core
Between 200 inner peripheral surfaces and rotating shaft 100；Peripheral part 340 fills the outer peripheral face for being covered in permanent magnet 220；Preferably, it is specific real at this
Apply in mode, the moulding that integrally formed non-magnetic part is formed in one；It is further preferred that on rotor punching unit 210
Provided with one or more through holes, in this embodiment, rotor punching unit 210 is integrally formed provided with 1 through hole 240
Non-magnetic part 300 also include the through hole filling part 350 that is connected respectively with upper end 310 and bottom 320, through hole is filled out
Portion 350 is filled to be filled in through hole 240.
In the utility model embodiment, using as above be integrally formed the non-magnetic structure of part 300, that is, realize turn
Being fixedly connected between sub- iron core, and its be fixedly connected with rotating shaft, it is simple in construction, it is easy to processing and manufacturing, is very beneficial for rule
Mould popularization and application.It should be noted that in the present embodiment, being integrally formed non-magnetic part 300 and using integrally formed injection
Part, due to Shooting Technique the need for, in order to ensure injection effect, the utility model actually implement when, set on rotor core
It is equipped with one or more positioning holes or locating slot, it is preferable that using 2 positioning holes (accompanying drawing is not shown).
Preferably, please further it is shown in Figure 4, in this embodiment, the periphery of rotor punching unit 210 and
The both sides of inner circumferential are respectively equipped with periphery extension 212a, 212b in 211a, 211b and inner circumferential extension, wherein, periphery extension side
211a, 211b and inner circumferential extension side 212a, 212b are used for the positioning of permanent magnet 220 in radial directions；Preferably, rotor punching
Unit 210 laminates projection provided with one or more, in this embodiment, and rotor punching unit 210 is folded provided with 2
Belling rises, and respectively first, which laminates raised 250a and second, laminates raised 250b.
Preferably, a kind of permanent magnet brushless electromotor, including stator module and permanent magnet rotor component, wherein, p-m rotor group
Part employs permanent magnet rotor component as described above.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (9)
1. a kind of permanent magnet rotor component, described permanent magnet rotor component includes rotating shaft and rotor core, it is characterised in that described
Rotor core includes the rotor punching unit and some permanent magnets that several are in fan shape, wherein：
Described several laminate and are fixedly connected to form rotor core unit in the axial direction in the rotor punching unit of fan shape；
Described rotor core unit is in be spaced apart in the circumferential；
Described permanent magnet is fixedly installed in the interval of described rotor core unit respectively；
Described permanent magnet rotor component also includes integrally formed non-magnetic part, and described permanent magnet rotor component passes through described non-
Described rotor core is fixedly connected by magnetic conductive part with described rotating shaft.
2. permanent magnet rotor component as claimed in claim 1, it is characterised in that described integrally formed non-magnetic part includes one
Body formed upper end, bottom, inner peripheral portion and peripheral part, described inner peripheral portion and peripheral part respectively with described upper end and
Bottom is connected, wherein,
Described upper and lower end is covered each by the upper surface and lower surface of described rotor core；
Described inner peripheral portion is filled between described rotor core inner peripheral surface and described rotating shaft；
Described peripheral part filling is covered in the outer peripheral face of described permanent magnet.
3. permanent magnet rotor component as claimed in claim 1 or 2, it is characterised in that the periphery of described rotor punching unit and/
Or the both sides of inner circumferential are respectively equipped with extension side.
4. permanent magnet rotor component as claimed in claim 1 or 2, it is characterised in that described rotor punching unit is provided with 1
Or multiple laminate projection.
5. permanent magnet rotor component as claimed in claim 2, it is characterised in that described rotor punching unit provided with 1 or
Multiple through holes.
6. permanent magnet rotor component as claimed in claim 5, it is characterised in that described integrally formed non-magnetic part also includes
The through hole filling part being connected respectively with described upper and lower end, described through hole filling part is filled in described
In through hole.
7. permanent magnet rotor component as claimed in claim 1 or 2, it is characterised in that described integrally formed non-magnetic part is
Integrally formed moulding.
8. permanent magnet rotor component as claimed in claim 1, it is characterised in that the both ends of the surface of described permanent magnet in the circumferential are
The magnetic pole of permanent magnet, described magnetic pole is opposed with the magnetic pole homopolarity of its circumferentially-adjacent permanent magnet.
9. a kind of permanent magnet brushless electromotor, including stator module and permanent magnet rotor component, it is characterised in that described p-m rotor
Component employs the permanent magnet rotor component as described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621114472.0U CN206353732U (en) | 2016-09-30 | 2016-09-30 | A kind of permanent magnet rotor component and its permanent magnet brushless electromotor of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621114472.0U CN206353732U (en) | 2016-09-30 | 2016-09-30 | A kind of permanent magnet rotor component and its permanent magnet brushless electromotor of application |
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| Publication Number | Publication Date |
|---|---|
| CN206353732U true CN206353732U (en) | 2017-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621114472.0U Active CN206353732U (en) | 2016-09-30 | 2016-09-30 | A kind of permanent magnet rotor component and its permanent magnet brushless electromotor of application |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418379A (en) * | 2018-05-03 | 2018-08-17 | 湖州越球电机有限公司 | A kind of BLDC motors of low cost |
| CN110224517A (en) * | 2019-07-16 | 2019-09-10 | 广东顺德四格机电有限公司 | A kind of efficient permanent magnet motor rotor |
| CN110429729A (en) * | 2019-08-26 | 2019-11-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor assembly and preparation method thereof, magneto |
| CN110707850A (en) * | 2019-11-01 | 2020-01-17 | 合肥新沪屏蔽泵有限公司 | Rotor ferromagnetic punching sheet, rotor assembly, manufacturing method of rotor ferromagnetic punching sheet and rotor assembly and liquid cooling pump |
| CN111786484A (en) * | 2020-06-16 | 2020-10-16 | 淮安威灵电机制造有限公司 | Rotor assembly and motor with same |
| CN111884370A (en) * | 2020-06-16 | 2020-11-03 | 广东威灵电机制造有限公司 | Rotor assembly and motor |
| CN113193673A (en) * | 2018-05-31 | 2021-07-30 | 广东威灵电机制造有限公司 | Rotor and motor |
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2016
- 2016-09-30 CN CN201621114472.0U patent/CN206353732U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418379A (en) * | 2018-05-03 | 2018-08-17 | 湖州越球电机有限公司 | A kind of BLDC motors of low cost |
| CN108418379B (en) * | 2018-05-03 | 2024-03-01 | 湖州越球电机有限公司 | Low-cost BLDC motor |
| CN113193673A (en) * | 2018-05-31 | 2021-07-30 | 广东威灵电机制造有限公司 | Rotor and motor |
| CN113193672A (en) * | 2018-05-31 | 2021-07-30 | 广东威灵电机制造有限公司 | Rotor and motor |
| CN110224517A (en) * | 2019-07-16 | 2019-09-10 | 广东顺德四格机电有限公司 | A kind of efficient permanent magnet motor rotor |
| CN110429729A (en) * | 2019-08-26 | 2019-11-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor assembly and preparation method thereof, magneto |
| CN110429729B (en) * | 2019-08-26 | 2021-03-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor assembly, manufacturing method thereof and permanent magnet motor |
| CN110707850A (en) * | 2019-11-01 | 2020-01-17 | 合肥新沪屏蔽泵有限公司 | Rotor ferromagnetic punching sheet, rotor assembly, manufacturing method of rotor ferromagnetic punching sheet and rotor assembly and liquid cooling pump |
| CN111786484A (en) * | 2020-06-16 | 2020-10-16 | 淮安威灵电机制造有限公司 | Rotor assembly and motor with same |
| CN111884370A (en) * | 2020-06-16 | 2020-11-03 | 广东威灵电机制造有限公司 | Rotor assembly and motor |
| CN111884370B (en) * | 2020-06-16 | 2021-08-31 | 广东威灵电机制造有限公司 | Rotor assembly and motor |
| CN111786484B (en) * | 2020-06-16 | 2022-12-27 | 淮安威灵电机制造有限公司 | Rotor assembly and motor with same |
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