CN205945280U - Rotor and aerogenerator of motor - Google Patents
Rotor and aerogenerator of motor Download PDFInfo
- Publication number
- CN205945280U CN205945280U CN201620865094.3U CN201620865094U CN205945280U CN 205945280 U CN205945280 U CN 205945280U CN 201620865094 U CN201620865094 U CN 201620865094U CN 205945280 U CN205945280 U CN 205945280U
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- rotor
- yoke
- permanent magnets
- annular notches
- groove structure
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- 239000011248 coating agent Substances 0.000 claims abstract description 45
- 238000000576 coating method Methods 0.000 claims abstract description 45
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 241000239290 Araneae Species 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model provides a rotor and aerogenerator of motor. The rotor of motor includes the yoke and sets up the magnetic bodies forever in the yoke, and the position department at magnetic bodies both ends that is located forever of yoke still is provided with groove structure respectively, and the rotor is still including the protection coating, and magnetic bodies and groove structure's surface is covered forever in the subsides of protection coating. The embodiment of the utility model provides a rotor of motor sets up groove structure through the position department that is located the permanent magnet both ends in the yoke, has formed the contact -type sealing of maze shape, has improved the sealing performance of rotor effectively, prevents steam infiltration magnet, has realized the protection to the magnetic pole, has guaranteed the security of motor operation effectively and has improved motor moving efficiency, simple structure, with low costs moreover.
Description
Technical field
This utility model is related to wind power generation field, more particularly, to a kind of rotor of motor and wind-driven generator.
Background technology
The magnetic pole of permanent magnet motor and magneto protects most important for its safe operation, especially wind-force
Electromotor.In recent years, developing rapidly with wind power industry, wind-driven generator progressively maximizes, and requirement of mechanical strength is got over
Come higher, use environment is also increasingly harsher, marine environment, High aititude, high damp and hot and psychro-environment etc. can be to wind-power electricity generations
The normal operation of machine and service life bring challenges, the machine running especially under the extreme climate environments such as coastal damp and hot salt fog
The unit durability decay that group, its mechanical fatigue and magnetic pole corrosion bring is all very fatal.
In running, can micro- deformation due to various load to permanent-magnet type wind-driven generator in its rotor, and then leads to
Magnetic pole on rotor produces compression or stretcher strain；The meanwhile change of ambient temperature and humidity, can be to electromotor
Rotor and magnetic pole cause corrosion to threaten, and then damage generator performance and life-span.
Current safeguard structure form is only through adhesive surface protection coating, but protection coating not can determine that with yoke
Full laminating closely, and is expanded with heat and contract with cold and the deformation of field structure stand under load with what generator operation temperature rise caused, and protection can be caused to cover
Between layer and yoke contact surface, gap occurs, now water or steam can gaps between protection coating and yoke surface or locating table
Enter or penetrate into, and then can make magnet that corrosion occurs, cause motor failure.
Utility model content
This utility model provides a kind of rotor of motor and wind-driven generator, to solve protection coating and magnetic in prior art
Yoke can not be fitted the problem closely causing protection effect bad completely.
For reaching above-mentioned purpose, embodiment of the present utility model provides a kind of rotor of motor, and rotor includes yoke and sets
Put the set of permanent magnets in yoke, at the position positioned at set of permanent magnets two ends of yoke, be also respectively provided with groove structure, rotor
Also include protecting coating, protection coating pastes the surface of set of permanent magnets and groove structure.
Alternatively, also include the positioning boss that is fixedly installed in yoke, positioning boss is located at the side of set of permanent magnets, fixed
The height of the top surface of position boss is higher than to offer groove structure on the height of set of permanent magnets and positioning boss.
Alternatively, positioning boss and yoke are integrally formed.
Alternatively, groove structure includes at least one annular notches, and protection coating pastes the surface of annular notches.
Alternatively, protection coating one end paste to positioning boss away from the side of set of permanent magnets bottom surface, described protection
The other end of coating pastes the end face of the one end to yoke away from described positioning boss.
Alternatively, groove structure includes multiple annular notches, and each annular notches are positioned apart from successively along the axial direction of rotor
On the surface of yoke, coating is protected to paste the surface of each annular notches successively.
Alternatively, cross sectional shape on the cutting plane of axis crossing rotor for the annular notches is U-shaped.
Alternatively, cross sectional shape on the cutting plane of axis crossing rotor for the annular notches is trapezoidal.
Alternatively, cross sectional shape on the cutting plane of axis crossing rotor for the annular notches is rectangle.
According to another aspect of the present utility model, embodiment of the present utility model also provides a kind of wind power generating set, bag
Include rotor as the aforementioned.
This utility model has the advantages and positive effects that：
The rotor that this utility model embodiment provides is recessed by arranging at the position at set of permanent magnets two ends in yoke
Slot structure, defines the contact seal of labyrinth shape, is effectively improved the performance of rotor seal, prevents steam from penetrating into magnet,
Achieve the protection to magnetic pole, be effectively guaranteed the safety of motor operation and improve the efficiency of motor rotation, Er Qiejie
Structure is simple, low cost.
Brief description
A kind of partial structural diagram at the rotor of the embodiment of the motor that Fig. 1 provides for this utility model embodiment；
The schematic diagram of annular notches is provided with the yoke of the motor that Fig. 2 provides for this utility model embodiment；
Fig. 3 is the partial enlarged drawing of a-quadrant in Fig. 2；
Fig. 4 is the enlarged drawing for U-shaped for the bottom surface of the annular notches of embodiment of the present utility model；
Fig. 5 is the cross sectional shape of the annular notches of embodiment of the present utility model is trapezoidal enlarged drawing；
The structural representation of multiple annular notches is provided with the yoke of the motor that Fig. 6 provides for this utility model embodiment
Figure.
Description of reference numerals：
1st, protect coating；2nd, yoke；3rd, set of permanent magnets；4th, positioning boss；5th, annular notches.
Specific embodiment
Describe exemplary embodiment of the present utility model below in conjunction with the accompanying drawings in detail.
Refering to Fig. 1, embodiment of the present utility model provides a kind of rotor, and rotor includes yoke 2 and is arranged in yoke 2
Set of permanent magnets 3, is also respectively provided with groove structure at the position positioned at set of permanent magnets 3 two ends of yoke 2, and motor also includes protecting
Coating 1, protection coating 1 pastes the surface of set of permanent magnets 3 and groove structure.
By such setting so that protection coating 1 defines mazy sealing with the binding face that groove structure fits
Structure, thus avoiding the problem of locally the fit bad water leading to or steam infiltration, substantially increases protection coating 1 for forever
The sealing protection of magnet group 3, can be effectively prevented the impurity such as water or steam and penetrate into damage set of permanent magnets 3 in protection coating 1, can
To realize effective protection to set of permanent magnets 3, extend the service life of set of permanent magnets 3, improve motor protection ability and
The safety of motor operation, and structure is simple, can be widely applied to various magnetoes.
Motor using this structure can be motor or electromotor etc..Specifically, with reference to Fig. 1 and Fig. 2, straight with magneto
As a example electromotor in drive wind power generation unit.Field structure is mainly by rotor field spider, end cap, set of permanent magnets 3 and protection coating 1
Composition.Wherein, rotor field spider is provided with the yoke 2 installing set of permanent magnets 3, setting end cap can strengthen rotor field spider effectively
Rigidity, ensure that generator operation is stable.The rotor of electromotor is arranged on rotor field spider, set of permanent magnets 3 pass through bonding or
The mode being mechanically connected is arranged on the side face of yoke 2.On the surface of the yoke 2 near set of permanent magnets 3 two ends, setting is fluted
Structure, this groove structure can be formed at the surface of yoke 2 by way of punching press is forged, and certainly also can pass through to machine or other
Mode is formed.In order to prevent set of permanent magnets 3 from aoxidizing, getting rusty, paste protection coating 1 on the surface of set of permanent magnets 3, protect coating 1
The surface of set of permanent magnets 3 can be formed at by way of priming by vacuum.In order to ensure protect coating 1 can with yoke 2 and
Tightly fit in the surface of set of permanent magnets 3, it is to avoid water or steam penetrate into set of permanent magnets 3 position, and protection coating 1 is by groove structure
Encase completely, be consequently formed labyrinth shape contact type sealing structure, using the reliable sealing performance of labyrinth shape contact type sealing structure,
Prevent water or steam from entering or penetrating into the position that set of permanent magnets 3 is located, realize the effective protection to magnetic pole.
As shown in figure 1, along the axial direction of rotor, at the position at set of permanent magnets 3 two ends, the surface of yoke 2 is all provided with
It is equipped with groove structure.Each groove structure all includes at least one annular notches 5.Annular notches 5 refer to the circumference one along rotor
The groove that week uniformly opens up, and then form the notch of loop configuration.
Protection coating 1 is equably covered in each surface of annular notches 5, to form labyrinth seal safeguard structure, really
Protect and farthest set of permanent magnets 3 is protected.
This setting groove structure in yoke 2, and it is anti-to make groove structure and protection coating 1 cooperatively form labyrinth seal
The magnetic pole safeguard structure of protection structure, changes less to former rotor magnetic pole structure, and groove structure processing is simply easy, forms protection and covers
Simple to operation, the advantage of lower cost of layer 1, and can achieve the effective protection to magnetic pole, improve the safety of electromotor.
Preferably, each groove structure includes multiple (two or more) annular notches 5, each annular notches 5 along turn
The axial direction of son is spaced apart and arranged in the surface of yoke 2 successively.Do so can improve the complexity of labyrinth seal structure, and then
Improve protection effect.
In the present embodiment, the yoke 2 of motor is fixedly installed positioning boss 4, positioning boss 4 is located at set of permanent magnets 3
Side, and the radially protruding along yoke 2.Positioning boss 4 is used for backstop set of permanent magnets 3, and set of permanent magnets 3 is positioned, and prevents
Only there is play it is ensured that the globality of electric machine structure and concordance along the axial direction of yoke 2 in set of permanent magnets 3.
In the present embodiment, the height of positioning boss 4 increased compared to original height.For example, original positioning
The apical side height of boss 4 is consistent with the apical side height of the set of permanent magnets 3 being arranged in yoke 2, and in the present embodiment, positioning boss
4 apical side height is higher than the apical side height of the set of permanent magnets 3 being arranged in yoke 2.After suitably increase positioning boss 4 height is easy to
Continue and annular notches 5 are processed on positioning boss 4 it is ensured that the structural strength of yoke 2 entirety is unaffected.
Alternatively, positioning boss 4 and yoke 2 can be integrally formed, that is, in production and processing yoke 2 just in yoke 2
Process positioning boss 4.So can effectively ensure the overall construction intensity of yoke 2.
Certainly, positioning boss 4 can also be using forming by the way of welding doughnut-shaped steel plate, after polishing, polishing in yoke 2
Form positioning boss 4 structure.
As shown in fig. 6, on one end of set of permanent magnets 3, the end face of positioning boss 4, offering multiple annular notches 5, many
Individual annular notches 5 are along the axial direction interval setting successively of rotor.Spacing between each notch can equal also can not wait.In permanent magnet
The other end (one end of remotely located boss 4) of group 3, offers annular notches 5.In order to ensure the structural strength of rotor,
The length of yoke 2 can suitably lengthen.
Protection coating 1 in addition to the surface of set of permanent magnets 3 is completely covered, also to both sides extend, embedded annular notches 5 interior
Portion, and several faces of annular notches 5 are all covered.And protect coating 1 to extend the surface covering to yoke 2.
As shown in Figure 6, yoke 2 have a placement step towards rotor internal projection, the direction of this placement step
The one side of internal rotor is to place the placed side of set of permanent magnets 3.Positioning boss 4 is to protrude shape from this placement step to internal rotor
Become.
Protection coating 1 is in addition to covering the side of the magnetic pole strength of set of permanent magnets 3 and the remotely located boss 4 of set of permanent magnets 3.
Protection coating 1 also extends near one end of positioning boss 4 and covers two sides of positioning boss 4 (along the axial direction of rotor in Fig. 6
On side), the side face (in Fig. 6, positioning boss 4 is towards the one side of internal rotor) of positioning boss 4, two be arranged on convex
The side (along the side in the axial direction of rotor in Fig. 6) of the annular notches 5 on platform 4 and bottom surface (Fig. 6 intermediate annular groove mouth 5 direction
The one side of internal rotor).Protect one end of the remotely located boss 4 of coating 1 also to extend and cover the remainder of the placed side of yoke 2
Divide (part that in Fig. 6, the placed side for placing set of permanent magnets 3 of yoke 2 is not covered by set of permanent magnets 3), be arranged on mounting table
Side (the edge in Fig. 6 of the remotely located boss 4 of placement step of the side of annular notches 5 on rank and bottom surface and yoke 2
Side in the axial direction of rotor).
By suitably being extended to protection coating 1, reach and will protect coating 1 and set of permanent magnets 3 and annular notches 5
The purpose pasting completely.This is equivalent to increased the complexity of mazy sealing structure it is ensured that protection coating 1 can be more
Step up thickly to be covered in the surface of set of permanent magnets 3, set of permanent magnets 3 is comprehensively protected.
In the case of motor application occasion relatively more sternness, such as coastal area, moist big region etc., need into
One step improves magnetic pole protective capacities, can suitably increase the quantity of annular notches 5.
In some unshowned embodiments, quantity phase can be opened up on the side face near the yoke 2 at set of permanent magnets 3 two ends
Deng or quantity annular notches 5 not etc., as long as ensureing that the quantity of annular notches 5 will not be produced to the structural strength of yoke 2 itself
Life affects.
Alternatively, as shown in Figures 3 to 5, the bottom surface of the even tangent plane in the axis crossing rotor for the annular notches 5 can be square
Shape, U-shaped or trapezoidal.The bottom surface of annular notches 5 is more conducive to reduce stress concentration for U-shaped, improves structural strength, and pastes protection
It is easier after coating 1 to fit, be hardly damaged or leak.The rectangle of annular notches 5 or trapezoidal for plane be easier process.
In other embodiment, the bottom surface of annular notches 5 can also be other shapes.It should be noted that it is annular
The selection of notch 5 bottom shape, to facilitate processing, convenient protection coating 1 to paste as standard.
As shown in figure 4, the bottom surface of annular notches 5 can be U-shaped, the cross sectional shape of side wall is plane.
As shown in figure 5, when the bottom surface of annular notches 5 is plane, in the plane in the axis of parallel rotor of annular notches 5
Cross sectional shape can be trapezoidal.So it is more convenient pasting of protection coating 1.As shown in figure 3, annular notches 5 at parallel turn
Cross sectional shape in the plane of axis of son can also be rectangle.
In the present embodiment, the shape of the bottom surface of each annular notches 5 and cross sectional shape can be set to identical, also may be used
It is arranged to the form of various shapes combination, here is not done specifically defined.
According to another aspect of the present utility model, embodiment of the present utility model also provides a kind of wind-driven generator, including
Rotor as front any embodiment.
The wind-driven generator that this utility model embodiment provides, by using the rotor of such as aforementioned any embodiment, can have
Effect ground ensure wind-driven generator continuous service ability, improve whole machine availability, and can be applied to coastal region or
The larger region of person's humidity, has good adaptability.
This utility model has the advantages that：
The motor that this utility model embodiment provides, by being arranged to paste set of permanent magnets and groove structure protection coating
Surface form so that protection coating define mazy sealing with the gap that groove structure fits on the surface of yoke
Structure, it is achieved that effective protection to magnetic pole, substantially prolongs the service life of set of permanent magnets, improves the ability of magnetic pole protection
And the safety of motor operation.Effectively ensure that motor occurs expanding with heat and contract with cold in continuous operation temperature rise and field structure stand under load becomes
After shape, will not make, between protection coating and set of permanent magnets, air gap occur, it is to avoid water or steam penetrate into, and it also avoid permanent magnet
There is corrosion in group, and structure is simple, can be widely applied to various magnetoes.
Wind power generating set is passed through using above-mentioned motor, can effectively ensure the continuous service ability of wind power generating set,
Improve the availability of whole machine, and coastal region or the larger region of humidity can be applied to, there is good adaptability.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model does not limit to
In this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in change
Or replace, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described power
The protection domain that profit requires is defined.
Claims (10)
1. a kind of rotor of motor, described rotor includes yoke (2) and the set of permanent magnets (3) being arranged in described yoke (2), its
It is characterised by, be also respectively provided with groove structure at the position positioned at described set of permanent magnets (3) two ends of described yoke (2), institute
State rotor and also include protecting coating (1), described protection coating (1) pastes the table of described set of permanent magnets (3) and described groove structure
Face.
2. rotor according to claim 1 is it is characterised in that also include the positioning being fixedly installed in described yoke (2)
Boss (4), described positioning boss (4) is located at the side of described set of permanent magnets (3), the height of the top surface of described positioning boss (4)
Offer described groove structure higher than on the height of described set of permanent magnets (3) and described positioning boss (4).
3. rotor according to claim 2 is it is characterised in that described positioning boss (4) is become with described yoke (2) one
Type.
4. rotor according to claim 2 is it is characterised in that described groove structure includes at least one annular notches (5),
Described protection coating (1) pastes the surface of described annular notches (5).
5. rotor according to claim 4 is it is characterised in that one end of described protection coating (1) pastes to described positioning
The bottom surface of the side away from described set of permanent magnets (3) for the boss (4), the other end of described protection coating (1) pastes to described yoke
(2) end face of one end away from described positioning boss (4).
6. rotor according to claim 1 is it is characterised in that described groove structure includes multiple annular notches (5), each institute
The axial direction stating annular notches (5) along described rotor is spaced apart and arranged in the surface of described yoke (2), described protection coating successively
(1) paste the surface of each described annular notches (5) successively.
7. the rotor according to any one of claim 4 to 6 is it is characterised in that described annular notches (5) are at excessively described turn
Cross sectional shape on the cutting plane of axis of son is U-shaped.
8. the rotor according to any one of claim 4 to 6 is it is characterised in that described annular notches (5) are at excessively described turn
The cutting plane upper section of the axis of son is shaped as trapezoidal.
9. the rotor according to any one of claim 4 to 6 is it is characterised in that described annular notches (5) are at excessively described turn
Cross sectional shape on the cutting plane of axis of son is rectangle.
10. a kind of wind-driven generator is it is characterised in that include rotor as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865094.3U CN205945280U (en) | 2016-08-10 | 2016-08-10 | Rotor and aerogenerator of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865094.3U CN205945280U (en) | 2016-08-10 | 2016-08-10 | Rotor and aerogenerator of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205945280U true CN205945280U (en) | 2017-02-08 |
Family
ID=57923379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620865094.3U Active CN205945280U (en) | 2016-08-10 | 2016-08-10 | Rotor and aerogenerator of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205945280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995163A (en) * | 2019-04-22 | 2019-07-09 | 新疆金风科技股份有限公司 | Magnetic pole module, magnetic yoke, rotor and motor |
-
2016
- 2016-08-10 CN CN201620865094.3U patent/CN205945280U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995163A (en) * | 2019-04-22 | 2019-07-09 | 新疆金风科技股份有限公司 | Magnetic pole module, magnetic yoke, rotor and motor |
| CN109995163B (en) * | 2019-04-22 | 2023-09-01 | 金风科技股份有限公司 | Magnetic pole module, magnetic yoke, rotor and motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |