CN202424347U - Permanent magnetic built-in motor rotor with fixed plates - Google Patents
Permanent magnetic built-in motor rotor with fixed plates Download PDFInfo
- Publication number
- CN202424347U CN202424347U CN2011205303892U CN201120530389U CN202424347U CN 202424347 U CN202424347 U CN 202424347U CN 2011205303892 U CN2011205303892 U CN 2011205303892U CN 201120530389 U CN201120530389 U CN 201120530389U CN 202424347 U CN202424347 U CN 202424347U
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- stator
- lamination
- fixed
- hole
- cell body
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Abstract
The utility model relates to the field of motor design and manufacture and particularly relates to a permanent magnetic built-in motor rotor with fixed plates. The utility model mainly solves the technical problems in the prior art that for ensuring the permanent magnet to be fixed and protected reliably, a structure that a silicon steel plate is provided with a hole is directly adopted for the existing motor rotor, which causes the slowdown of the electromagnetic performance and the like frequently due to magnetic leakage. The combined permanent magnetic built-in motor rotor with the fixed plates comprises a plurality of fixed plates, wherein an iron chip is arranged between two adjacent fixed plates, the middle part of the fixed plate is provided with a fixed plate axle hole, the middle part of the iron chip is provided with an iron chip axle hole in accordance with the fixed plate axle hole in shape, an axle body penetrates through the axle hole; the fixed plate axle holes, the fixed plates on the periphery of the iron chip axle holes and the iron chips are respectively provided with a fastening hole; fixed links are connected in the fastening holes in a penetrated way, the outer edges of the fixed plates are provided with fixed plate grooves or holes, the outer edges of the iron chips are uniformly distributed with iron chip grooves or iron chip holes, and permanent magnets are connected in the groove bodies or holes of all the fixed plates and iron chips in a penetrated way.
Description
Technical field
The utility model relates to a kind of design of electrical motor and manufacturing field, especially relates to a kind of embedded rotor of permanent magnetism with stator.
Background technology
Magneto has advantages such as high efficiency, high power density, receives increasing attention recently.Wherein face pastes the formula p-m rotor because characteristics such as simple in structure, easily manufactured become the maximum a kind of rotor structure of application in the magneto.Chinese patent discloses a kind of improved permanent magnet machine rotor (Granted publication number: CN202004552U); It comprises rotor core, tile type permanent magnet, interior permanent magnets, rotating shaft; Have " V " type groove in the rotor core; The tile type permanent magnet sticks on the rotor core surface, and interior permanent magnets inserts in " V " type groove in rotor core; Corresponding polarity of tile type permanent magnet and interior permanent magnets is different, on magnetic circuit, forms cascaded structure, and the tile type permanent magnet is alternately arranged with the N utmost point, the S utmost point, and the center line of the center line of each piece tile type permanent magnet and corresponding " V " type groove coincides.Chinese patent also discloses a kind of permanent magnet machine rotor (mandate publication number: CN201813232U); Comprise the rotor core that is overrided to form by rotor punching; The centre of rotor core offers the through hole that supplies rotating shaft to insert; Also offer the magnet steel groove that a plurality of edges circumferentially are uniformly distributed with on this rotor core, be embedded with magnet steel in each magnet steel groove, the outer round surface of rotor core offers the sulculus that axially moves towards along this rotor core between every adjacent two magnet steel; The sulculus cross section is V-shaped; The V-arrangement cross section of this sulculus forms first angle, forms second angle between the dual-side of establishing relatively of adjacent two magnet steel, and first angle and second angle equate; And the radially groove depth of sulculus is 0.5-0.8 a times of said magnet steel radial thickness; The radially groove depth of sulculus is 2/3 times of magnet steel radial thickness, and magnet steel is the rectangular dull and stereotyped magnet steel of cross section, also offers on the rotor core along the rivet hole that circumferentially is uniformly distributed with.But the fixed form of this permanent magnet is a difficult problem of built-in permanent magnetic rotor always, directly adopts the structure of silicon steel sheet perforate, guarantee that permanent magnet obtains reliable fixation and protection, tends to cause because of leakage field the decline of electromagnetic performance.
The utility model content
The utility model provides a kind of embedded rotor of permanent magnetism with stator; It mainly is to solve the structure that existing in prior technology built-in permanent magnetic rotor directly adopts the silicon steel sheet perforate; Guarantee that permanent magnet obtains reliable fixation and protection, tends to cause because of leakage field the technical problem of the following degradation of electromagnetic performance.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals:
The embedded rotor of permanent magnetism with stator of the utility model; Comprise the plurality of fixed sheet; Be provided with lamination between described adjacent two stators, the middle part of stator has the stator axis hole, and the middle part of lamination has and the corresponding to lamination axis hole of stator axis hole shape; Cross-under has axis body that all stators, lamination are fixed together in the axis hole; Also be evenly equipped with fastener hole on the peripheral stator of stator axis hole, lamination axis hole, the lamination, cross-under has fixed lever in the fastener hole, and the outer rim of stator is evenly equipped with stator cell body or the fixing film perforation more than 2; The outer rim of lamination is evenly equipped with and stator cell body or the fixing lamination cell body or the film perforation unshakable in one's determination that align of film perforation, and cross-under has permanent magnet in the cell body of all stators, lamination or the hole.Several stators and several certain thickness laminations are spaced; Fastener hole on the stator aligns with fastener hole on the lamination; The stator axis hole aligns with the lamination axis hole, and the fastener hole that passes on the spaced stator through fixed lever is fixed into as a whole with fastener hole on the lamination.The hole or the cell body of several stators, lamination also align, and permanent magnet is placed in hole or the cell body, and axis body is placed in the axis hole.Have several holes consistent with the permanent magnet shape on the utility model stator, the lamination, the fixed permanent magnet position is the labyrinth of fixed permanent magnet structural design in the omission built-in permanent magnetic dynamo sheet effectively, simplifies processing mold.Utilize the stator fixed permanent magnet simultaneously, the centrifugal force in the time of can overcoming rotation, thus reduce the size of built-in permanent magnetic body silicon steel sheet rotor at a distance from the magnetic magnetic bridge, effectively reduce leakage field, improve the permanent magnet utilance, strengthen electromagnetic performance, improve electric efficiency.
As preferably, the stator cell body that described stator outer rim is uniformly distributed with is a rectangle, and the shape of permanent magnet is consistent with stator cell body shape.Can guarantee that like this stator plays excellent protection and positioning action to permanent magnet, also can be simultaneously that the cell body of placement permanent magnet on the lamination is simpler, need not bear the location and the protection problem of permanent magnet.
As preferably, be rectangle in the middle part of the lamination cell body that described lamination outer rim is uniformly distributed with, its two ends are for being provided with the tip.The tip at cell body two ends can reduce leakage field, improves the permanent magnet utilance.
As preferably, described lamination is that certain thickness silicon steel sheet lamination is processed, and perhaps powdered metallurgical material is processed or solid core is processed.Can guarantee good magnetic property like this.
As preferably, described stator is processed by iron, aluminium, plastics or nylon.Stator can be processed by other metal material or nonmetallic materials.
Therefore, have several slotted eyes consistent with the permanent magnet shape on the stator of the utility model, effectively the fixed permanent magnet position is the labyrinth of fixed permanent magnet structural design in the omission built-in permanent magnetic dynamo sheet, simplifies processing mold; And can utilize the stator fixed permanent magnet, the centrifugal force when overcoming rotation, thus reduce the size of built-in permanent magnetic body silicon steel sheet rotor at a distance from the magnetic magnetic bridge; Effectively reduce leakage field, improve the permanent magnet utilance, strengthen electromagnetic performance; Improve electric efficiency, simple and reasonable for structure.
Description of drawings
Accompanying drawing 1 is a kind of shaft section structural representation of the utility model;
Accompanying drawing 2 is a kind of perspective view of the utility model;
Accompanying drawing 3 is a kind of three-dimensional disassemblying structure sketch mapes of the utility model;
Accompanying drawing 4 is structural representations of the utility model stator;
Accompanying drawing 5 is structural representations of the utility model lamination.
Parts, position and numbering among the figure: stator 1, lamination 2, stator axis hole 3, lamination axis hole 4, axis body 5, fastener hole 6, fixed lever 7, stator cell body 8, lamination cell body 9, permanent magnet 10, tip 11.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment: the embedded rotor of the permanent magnetism with stator of this example, like Fig. 1, Fig. 2, Fig. 3, plurality of fixed sheet 1 is arranged, stator is fabricated from iron.Be provided with lamination 2 between adjacent two stators, lamination is that certain thickness silicon steel sheet lamination is processed.Like Fig. 4; The middle part of stator has stator axis hole 3, and the middle part of lamination has and the corresponding to lamination axis hole 4 of stator axis hole shape, and cross-under has axis body 5 that all stators, lamination are fixed together in the axis hole; Also be evenly equipped with fastener hole 6 on the stator of stator axis hole, lamination axis hole periphery, the lamination; Cross-under has fixed lever 7 in the fastener hole, and the outer rim of stator is evenly equipped with the stator cell body 8 more than 4, like Fig. 5; The outer rim of lamination is evenly equipped with and stator cell body or the fixing lamination cell body 9 that aligns of film perforation, and cross-under has permanent magnet 10 in the cell body of all stators, lamination or the hole.The stator cell body is a rectangle, and the shape of permanent magnet is consistent with stator cell body shape.Lamination cell body middle part is a rectangle, and its two ends are for being provided with tip 11.
During use, whole rotor packed into to get final product in the motor.
The above is merely the specific embodiment of the utility model; But the architectural feature of the utility model is not limited thereto; Any those skilled in the art is in the field of the utility model, and variation of being done or modification all are encompassed among the claim of the utility model.
Claims (5)
1. embedded rotor of permanent magnetism with stator; Comprise plurality of fixed sheet (1); It is characterized in that being provided with between described adjacent two stators (1) lamination (2); The middle part of stator has stator axis hole (3); The middle part of lamination has and the corresponding to lamination axis hole of stator axis hole shape (4), and cross-under has axis body (5) that all stators, lamination are fixed together in the axis hole, also is evenly equipped with fastener hole (6) on the stator of stator axis hole, lamination axis hole periphery, the lamination; Cross-under has fixed lever (7) in the fastener hole; The outer rim of stator is evenly equipped with stator cell body (8) or the fixing film perforation more than 2, and the outer rim of lamination is evenly equipped with and stator cell body or the fixing lamination cell body (9) or the film perforation unshakable in one's determination that align of film perforation, and cross-under has permanent magnet (10) in the cell body of all stators, lamination or the hole.
2. the embedded rotor of permanent magnetism with stator according to claim 1 is characterized in that the stator cell body (8) that described stator (1) outer rim is uniformly distributed with is a rectangle, and the shape of permanent magnet (9) is consistent with stator cell body shape.
3. the embedded rotor of permanent magnetism with stator according to claim 1 and 2 is characterized in that lamination cell body (9) middle part that described lamination (2) outer rim is uniformly distributed with is rectangle, and its two ends are for being provided with tip (11).
4. the embedded rotor of permanent magnetism with stator according to claim 1 and 2 is characterized in that described lamination (2) processes for certain thickness silicon steel sheet lamination, and perhaps powdered metallurgical material is processed or solid core is processed.
5. the embedded rotor of permanent magnetism with stator according to claim 1 and 2 is characterized in that described stator (1) processed by iron, aluminium, plastics or nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205303892U CN202424347U (en) | 2011-12-19 | 2011-12-19 | Permanent magnetic built-in motor rotor with fixed plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205303892U CN202424347U (en) | 2011-12-19 | 2011-12-19 | Permanent magnetic built-in motor rotor with fixed plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202424347U true CN202424347U (en) | 2012-09-05 |
Family
ID=46749072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205303892U Expired - Fee Related CN202424347U (en) | 2011-12-19 | 2011-12-19 | Permanent magnetic built-in motor rotor with fixed plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202424347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457118A (en) * | 2011-12-19 | 2012-05-16 | 杭州中尚能源技术有限公司 | Permanent magnetism built-in electric machine rotor provided with fixed plate |
-
2011
- 2011-12-19 CN CN2011205303892U patent/CN202424347U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457118A (en) * | 2011-12-19 | 2012-05-16 | 杭州中尚能源技术有限公司 | Permanent magnetism built-in electric machine rotor provided with fixed plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20151219 |
|
| EXPY | Termination of patent right or utility model |