CN107332372A - A kind of field structure of magneto - Google Patents
A kind of field structure of magneto Download PDFInfo
- Publication number
- CN107332372A CN107332372A CN201710757470.6A CN201710757470A CN107332372A CN 107332372 A CN107332372 A CN 107332372A CN 201710757470 A CN201710757470 A CN 201710757470A CN 107332372 A CN107332372 A CN 107332372A
- Authority
- CN
- China
- Prior art keywords
- magnetic pole
- magneto
- hole
- magnet steel
- field structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/09—Magnetic cores comprising laminations characterised by being fastened by caulking
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of field structure of magneto, including magnetic pole body, the magnetic pole body includes magnetic pole box, magnet steel and closure plate；The magnetic pole box is axially disposed the through hole corresponding with the cross sectional shape of the magnet steel；The magnet steel is embedded in the through hole；The closure plate is arranged on the two-port of the through hole, and is abutted against with the end face of the magnet steel；The magnetic pole body forms integral structure by way of overall dipping lacquer solidifies.Above-mentioned field structure, by setting through hole in magnetic pole box, magnet steel is embedded in through hole, through hole two ends are blocked using closure plate, and carry out it is overall enter curing mode form integral structure, so that field structure has good sealing property, so that the easy corrosion of the field structure for avoiding magneto or the problem of come off.
Description
Technical field
The present invention relates to magneto technical field, more particularly to a kind of field structure of magneto.
Background technology
Current magneto with its efficiency high, it is simple in construction, easy to control the advantages of, its application field is increasingly come extensively
It is general.And the main field of magneto is provided by magnet steel, thus magnet steel fixation and protection turn into influence magneto performance and
One of the key factor in life-span.
With making rapid progress for development in science and technology, magneto application scenario is also more and more extensive, magneto use environment
Also it is varied, at sea salt fog weather, coastal humid climate, greasy dirt erosion environment etc. are particularly in harsh environments,
If magnet steel protection is poor, it is easy to cause magnet steel corrosion, comes off, have a strong impact on the service life of magneto, if turns including
, also easily there is magnet steel and the failure such as throws away in sub-motor.
Due to being widely used, magnet steel fixed form and protection are increasingly taken seriously, so many field structures are occurred in that,
Such as：Magnet steel surface adds epoxy layer mode, and this structure solid mechanical intensity difference is easily caused moisture entrance, still suffers from magnet steel corrosion
Risk.
In summary, the problem of how solving the easy corrosion of field structure of magneto or come off, it has also become this area
Technical staff's technical barrier urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of field structure of magneto, to avoid the field structure of magneto easy
Corrosion or the problem of come off.
To achieve these goals, it is described the invention provides a kind of field structure of magneto, including magnetic pole body
Magnetic pole body includes magnetic pole box, magnet steel and closure plate；
The magnetic pole box is axially disposed the through hole corresponding with the cross sectional shape of the magnet steel；
The magnet steel is embedded in the through hole；
The closure plate is arranged on the two-port of the through hole, and is abutted against with the end face of the magnet steel；
The magnetic pole body forms integral structure by way of overall dipping lacquer solidifies.
Preferably, offered in the through hole along the axial direction of the through hole into paint bath.
Preferably, the section of the through hole is polygon.
Preferably, it is described enter paint bath the position correspondence polygonal corner position.
Preferably, it is described enter paint bath be semi-circular grooves.
Preferably, the quantity of the through hole is multiple.
Preferably, the closure plate includes felt layers and the layer of insulation board being adhesively fixed with the felt layers, and the felt
The end face of layer and the magnet steel is abutted against.
Preferably, it is additionally provided between the end face of the felt layers and the magnet steel for felt layers to be fixed on into the magnetic
The tack coat of the end face of steel.
Preferably, the magnetic pole box is overrided to form for punching.
Preferably, the both sides of the magnetic pole box are in axial direction machined with weld seam.
Content, the field structure of above-mentioned magneto, including magnetic pole body, magnetic pole body bag are introduced compared to background technology
Include magnetic pole box, magnet steel and closure plate；Magnetic pole box is axially disposed the through hole corresponding with the cross sectional shape of magnet steel；Magnet steel is embedded in
In through hole；Closure plate is arranged on the two-port of through hole, and is abutted against with the end face of magnet steel；Magnetic pole body is solidified by overall dipping lacquer
Mode forms integral structure.By setting through hole in magnetic pole box, magnet steel is embedded in through hole, through hole two ends are entered using closure plate
Row closure, and carry out it is overall enter curing mode form integral structure so that field structure has good sealing property,
So as to the problem of avoiding the easy corrosion of field structure of magneto or come off.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the field structure of magneto provided in an embodiment of the present invention；
Fig. 2 is Fig. 1 A-A cross section structure diagrams；
Fig. 3 is the structural representation of magnetic pole box provided in an embodiment of the present invention.
In figure 1 above-Fig. 3,
Magnetic pole box 1, magnet steel 2, closure plate 3, through hole 4, enter paint bath 5, felt layers 6, layer of insulation board 7, weld seam 8.
Embodiment
The core of the present invention is to provide a kind of field structure of magneto, to avoid the field structure of magneto easy
Corrosion or the problem of come off.
In order that those skilled in the art more fully understands the technical scheme that provides of the present invention, below in conjunction with accompanying drawing and
The present invention is described in further detail for specific embodiment.
As shown in Figure 1-Figure 3, a kind of field structure of magneto provided in an embodiment of the present invention, including magnetic pole body,
Magnetic pole body includes magnetic pole box 1, magnet steel 2 and closure plate 3；Magnetic pole box 1 is axially disposed corresponding with the cross sectional shape of magnet steel 2
Through hole 4；Magnet steel 2 is embedded in through hole 4；Closure plate 3 is arranged on the two-port of through hole 4, and is abutted against with the end face of magnet steel 2；Magnetic pole
Body forms integral structure by way of overall dipping lacquer solidifies.
The field structure of above-mentioned magneto, by setting through hole in magnetic pole box, magnet steel is embedded in through hole, through hole two
End is blocked using closure plate, and is carried out integrally entering curing mode and formed integral structure so that field structure has good
Good sealing property, so that the easy corrosion of the field structure for avoiding magneto or the problem of come off.
In some specific embodiments, offer into paint bath 5, pass through along the axial direction of through hole 4 in above-mentioned through hole 4
Set into paint bath so that during magnetic pole body entirety dipping lacquer, insulated paint can smoothly be impregnated into gap (namely the magnet steel of magnetic pole body
Gap between through hole and closure plate) among, and then make it that the mechanical strength of magnetic pole body is more preferable, structural stability is stronger.And
And this enters the groove that can be semi-circular grooves or other shapes are selected according to actual processing of paint bath.
In addition, the section of above-mentioned through hole 4 can be polygon, such as rectangle or pentagon etc. or magnet steel
Other conventional cross sectional shapes.And when the section of through hole is polygon, enter the polygonal top of set location correspondence of paint bath 5
Angle Position.Of course, it should be understood that the position of above-mentioned correspondence drift angle is configured the preferred act of the only embodiment of the present invention
Example, can also select other positions to be arranged according to actual conditions.
Further in embodiment, the quantity of above-mentioned through hole 4 is multiple.It is appreciated of course that above-mentioned through hole
Quantity can also be 1, can be according to the specific volume size of magnetic pole body, the quantity that selection through hole is set.
In some more particular embodiments, the concrete structure of above-mentioned closure plate 3 can include felt layers 6 and and felt layers
6 layer of insulation board 7 being adhesively fixed, are adhesively fixed and are mainly adhesively fixed using binding agent, and felt layers 6 and magnet steel 2
End face is abutted against.Need exist for illustrating, the blind structure of above-mentioned felt layers and layer of insulation board, only the embodiment of the present invention
For the citing of blind structure, the other structures that those skilled in the art commonly use are can also be, such as directly arrangement insulation
Plate as closure plate mode.
In addition, being additionally provided with the end for felt layers 6 to be fixed on to magnet steel 2 between above-mentioned felt layers 6 and the end face of magnet steel 2
The tack coat in face.The end face of magnet steel is adhesively fixed with felt layers by tack coat so that the end face of closure plate and magnet steel is consolidated
It is fixed more solid and reliable, it is more difficult the phenomenon that magnet steel comes off occur.
In more particular embodiment, above-mentioned magnetic pole box 1 can be overrided to form for punching, and the both sides edge of magnetic pole box 1
Axial direction is machined with weld seam 8.The setting for passing through weld seam make it that the punching laminated structure of magnetic pole box is more smooth, it is to avoid occur
Open the phenomenon of piece.Of course, it should be understood that the structure that the punching of above-mentioned magnetic pole box is laminated be only the embodiment of the present invention for
Magnetic pole box structure example, can also be the other structures form that those skilled in the art commonly use, such as sheet metal is bent into magnetic pole
The structure or sheet metal of box are welded into structure of magnetic pole box etc..
In order to which those skilled in the art are better understood from technical scheme, with reference to the magnetic pole knot of magneto
The specific manufacturing process of structure is illustrated：
Using 50WW470 sheet punching press into the magnetic pole box 1 that axial length is 100mm, magnetic pole box 1 as shown in Figure 3 is provided with three
Group rectangular through-hole, the position on four summits of through hole is provided with R2 semi-circular grooves, and the both sides of magnetic pole box are respectively disposed with a weldering
Seam 6, which is used for reinforcing, prevents a piece.Rectangle magnet steel 1 is respectively put into the correspondence rectangular through-hole of magnetic pole box body 2, the axial length of magnet steel 1
90mm, axial direction two ends are apart from each 5mm of the both ends of the surface of magnetic pole box 1.First practicality bonding agent is be bonded with felt layers 6 by layer of insulation board 7
As closure plate, felt layers side gluing is Nian Jie with the end face of magnet steel 2 when closure plate is assembled, and the two-port of rectangular through-hole arranges closure plate,
The magnetic pole body assembled is put into vacuum pressure impregnated with varnish and carries out dipping lacquer and solidifies, solidification temperature need to meet impregnating varnish and consolidate
The permission running temperature changed temperature but do not allow more than magnet steel 2 simultaneously forms the magnetic pole knot of magneto in order to avoid loss of excitation after solidification
Structure.
The field structure of magneto provided by the present invention is described in detail above.It should be noted that this
Each embodiment in specification is described by the way of progressive, and what each embodiment was stressed is and other embodiment
Difference, between each embodiment identical similar part mutually referring to.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
There is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability is included, so that article or equipment including a series of key elements not only include those key elements, but also
Including other key elements being not expressly set out, or also include for this article or the intrinsic key element of equipment.Do not having
In the case of more limitations, the key element limited by sentence "including a ...", it is not excluded that including the article of above-mentioned key element
Or also there is other identical element in equipment.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
The bright method and its core concept for being only intended to help to understand the present invention.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improvement
Also fallen into modification in the protection domain of the claims in the present invention.
Claims (10)
1. a kind of field structure of magneto, including magnetic pole body, it is characterised in that the magnetic pole body includes magnetic pole box
(1), magnet steel (2) and closure plate (3)；
The magnetic pole box (1) is axially disposed the through hole (4) corresponding with the cross sectional shape of the magnet steel (2)；
The magnet steel (2) is embedded in the through hole (4)；
The closure plate (3) is arranged on the two-port of the through hole (4), and is abutted against with the end face of the magnet steel (2)；
The magnetic pole body forms integral structure by way of overall dipping lacquer solidifies.
2. the field structure of magneto as claimed in claim 1, it is characterised in that along the through hole in the through hole (4)
(4) axial direction is offered into paint bath (5).
3. the field structure of magneto as claimed in claim 2, it is characterised in that the section of the through hole (4) is polygon
Shape.
4. the field structure of magneto as claimed in claim 3, it is characterised in that it is described enter paint bath (5) position correspondence
The polygonal corner position.
5. the field structure of magneto as claimed in claim 2, it is characterised in that it is described enter paint bath (5) be semi-circular grooves
Groove.
6. the field structure of the magneto as described in claim any one of 1-5, it is characterised in that the number of the through hole (4)
Measure to be multiple.
7. the field structure of magneto as claimed in claim 6, it is characterised in that the closure plate (3) includes felt layers (6)
With the layer of insulation board (7) being adhesively fixed with the felt layers (6), and the felt layers (6) and the end face of the magnet steel (2) offset
Connect.
8. the field structure of magneto as claimed in claim 7, it is characterised in that the felt layers (6) and the magnet steel
(2) tack coat of the end face for felt layers (6) to be fixed on to the magnet steel (2) is additionally provided between end face.
9. the field structure of the magneto as described in claim any one of 1-5, it is characterised in that the magnetic pole box (1) is
Punching is overrided to form.
10. the field structure of magneto as claimed in claim 9, it is characterised in that the both sides of the magnetic pole box (1) are along axle
Weld seam (8) is machined with to direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710757470.6A CN107332372B (en) | 2017-08-29 | 2017-08-29 | Magnetic pole structure of permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710757470.6A CN107332372B (en) | 2017-08-29 | 2017-08-29 | Magnetic pole structure of permanent magnet motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107332372A true CN107332372A (en) | 2017-11-07 |
| CN107332372B CN107332372B (en) | 2020-03-24 |
Family
ID=60203827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710757470.6A Active CN107332372B (en) | 2017-08-29 | 2017-08-29 | Magnetic pole structure of permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107332372B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120120A (en) * | 2018-10-30 | 2019-01-01 | 永济优耐特绝缘材料有限责任公司 | A kind of rotor magnetic pole box laminates moulding process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201846140U (en) * | 2009-12-31 | 2011-05-25 | 南车株洲电力机车有限公司 | Protection and fixing device for permanent magnet |
| CN102684407A (en) * | 2012-05-23 | 2012-09-19 | 永济新时速电机电器有限责任公司 | Method for protecting and fixing assembled permanent magnet in large-power permanent magnet motor |
| CN102931741A (en) * | 2012-11-13 | 2013-02-13 | 永济新时速电机电器有限责任公司 | Compact permanent magnet wind generator rotor |
| CN206283336U (en) * | 2016-12-27 | 2017-06-27 | 北京金风科创风电设备有限公司 | Magneto magnetic steel fixing device and magneto |
| CN107070027A (en) * | 2016-12-29 | 2017-08-18 | 湘潭电机股份有限公司 | A kind of high speed permanent magnet motor rotor structure and motor |
-
2017
- 2017-08-29 CN CN201710757470.6A patent/CN107332372B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201846140U (en) * | 2009-12-31 | 2011-05-25 | 南车株洲电力机车有限公司 | Protection and fixing device for permanent magnet |
| CN102684407A (en) * | 2012-05-23 | 2012-09-19 | 永济新时速电机电器有限责任公司 | Method for protecting and fixing assembled permanent magnet in large-power permanent magnet motor |
| CN102931741A (en) * | 2012-11-13 | 2013-02-13 | 永济新时速电机电器有限责任公司 | Compact permanent magnet wind generator rotor |
| CN206283336U (en) * | 2016-12-27 | 2017-06-27 | 北京金风科创风电设备有限公司 | Magneto magnetic steel fixing device and magneto |
| CN107070027A (en) * | 2016-12-29 | 2017-08-18 | 湘潭电机股份有限公司 | A kind of high speed permanent magnet motor rotor structure and motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120120A (en) * | 2018-10-30 | 2019-01-01 | 永济优耐特绝缘材料有限责任公司 | A kind of rotor magnetic pole box laminates moulding process |
| CN109120120B (en) * | 2018-10-30 | 2023-08-25 | 永济优耐特绝缘材料有限责任公司 | Lamination forming process for rotor magnetic pole box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107332372B (en) | 2020-03-24 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220117 Address after: 412000 Tianxin hi tech park, Shifeng District, Zhuzhou City, Hunan Province Patentee after: CRRC Zhuzhou Electric Co.,Ltd. Patentee after: Jiangsu CRRC Motor Co., Ltd Address before: 412000 Tianxin hi tech park, Shifeng District, Zhuzhou City, Hunan Province Patentee before: CRRC Zhuzhou Electric Co.,Ltd. |
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| TR01 | Transfer of patent right |