CN201975883U - Composite p-m rotor for magnetoelectric machine - Google Patents
Composite p-m rotor for magnetoelectric machine Download PDFInfo
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- CN201975883U CN201975883U CN2011201309067U CN201120130906U CN201975883U CN 201975883 U CN201975883 U CN 201975883U CN 2011201309067 U CN2011201309067 U CN 2011201309067U CN 201120130906 U CN201120130906 U CN 201120130906U CN 201975883 U CN201975883 U CN 201975883U
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Abstract
The utility model discloses a composite p-m rotor for a magnetoelectric machine. A magnetic-conductive shaft sleeve made of magnetic conducting material is fixedly sleeved on a rotor shaft, rectangular first permanent magnet blocks and arc-shaped third permanent magnet blocks are uniformly distributed on the magnetic-conductive shaft sleeve alternately, a fan-shaped rotor iron core is arranged between every two first permanent magnet blocks, as well as on each third permanent magnet blocks, fan-shaped second permanent magnet blocks are arranged on two end surfaces of each fan-shaped rotor iron core, ring-shaped end press plates made of magnetic conducting material are fixed at two ends of the magnetic-conductive shaft sleeve, and the fan-shaped rotor iron cores, the first permanent magnet blocks, the second permanent magnet blocks and the third permanent magnet blocks are clamped and fixed on the magnetic-conductive shaft sleeve through the ring-shaped end press plates. The utility model not only has the advantages of compact structure, low axial end part magnetic leakage, and high magnetic efficiency utilization ratio of the permanent magnets, but also has the advantages of strong interference resistance, stable working performance, high rotor strength, long service life, etc.
Description
Technical field
The utility model relates to a kind of combined type p-m rotor of magneto, belongs to the magneto manufacture technology field.
Background technology
Magneto has advantages such as high efficiency, high power density, is subjected to increasing attention recently.Wherein permanent magnetism interpolation type motor has processing simply, and rotor permanent magnetism can be realized magnet accumulating cap, is widely used a kind of magneto.But the existing permanent magnetism interpolation type rotor ubiquity that is used for magneto the problem of axial end portion leakage field, and its rotor axial two side ends pressing plate must adopt non-magnet material to make, otherwise the rotor axial brow leakage is more serious.And the rotor of this employing non-magnet material making two side ends pressing plate not only exists the shortcoming that volume is big, magnetic efficiency is lower, but also exists the problem that intensity is low, useful life is short.Therefore the result of use of the rotor used of existing magneto still is not ideal enough.
Summary of the invention
The purpose of this utility model is: provide that a kind of compact conformation, axial end portion leakage field are low, the magnetic efficiency utilance height of permanent magnet, rotor strength are higher, useful life the combined type p-m rotor of long magneto, to overcome the deficiencies in the prior art.
The utility model is to constitute like this: the combined type p-m rotor of a kind of magneto of the present utility model, comprise armature spindle, on armature spindle, be fixed with the magnetic conduction axle sleeve that adopts permeability magnetic material to make, put by even distribution at magnetic conductive axis and to be arranged alternately first permanent magnet blocks of rectangle and the 3rd permanent magnet blocks of circular arc, all be provided with a segmental rotor iron core between per two first permanent magnet blocks and on each the 3rd permanent magnet blocks, and the both ends of the surface at each segmental rotor iron core all are provided with second a fan-shaped permanent magnet blocks, on the two ends of magnetic conduction axle sleeve, be fixed with an annular end pressing plate that adopts permeability magnetic material to make respectively, the segmental rotor iron core, first permanent magnet blocks, second permanent magnet blocks and the 3rd permanent magnet blocks are clamped and fixed in magnetic conductive axis by the annular end pressing plate and put.
Pole polarity on the contact-making surface of first permanent magnet blocks, second permanent magnet blocks and the 3rd permanent magnet blocks of the contact unshakable in one's determination of above-mentioned and same segmental rotor is identical.
The above-mentioned segmental rotor iron core block solid permeability magnetic material of serving as reasons constitutes or is made up of sheet permeability magnetic material lamination.
The axial end portion of the first above-mentioned permanent magnet blocks withstands the inner side end of end clamp plate, and its radially inner side end face withstands the magnetic conduction sleeve outer surface, and first permanent magnet blocks is withstood in the second permanent magnet blocks two sides, and first permanent magnet blocks is also withstood in the 3rd permanent magnet blocks two sides.
Or the axial end portion of first permanent magnet blocks withstands the inner side end of end clamp plate, leave the space between its radially inner side end face and the magnetic conduction sleeve outer surface, first permanent magnet blocks is withstood in the second permanent magnet blocks two sides, leaves the space between adjacent two the 3rd permanent magnet blocks sides.
Or leave the space between the inner side end of the axial end portion of first permanent magnet and annular end pressing plate, leave the space between its radially inner side end face and the magnetic conduction sleeve outer surface, leave the space between adjacent two the second permanent magnet blocks sides, leave the space between adjacent two the 3rd permanent magnet blocks sides.
Or leave the space between the inner side end of the axial end portion of first permanent magnet blocks and annular end pressing plate, its radially inner side end face withstands the outer surface of the 3rd permanent magnet blocks, leave the space between adjacent two the second permanent magnet blocks sides, withstand mutually adjacent two the 3rd permanent magnet blocks sides.
Or the axial end portion of first permanent magnet blocks withstands the inner side end of second permanent magnet blocks, leave the space between its radially inner side end face and the magnetic conduction sleeve outer surface, withstand mutually adjacent two second permanent magnet blocks sides, leaves the space between adjacent two the 3rd permanent magnet blocks sides.
Or the axial end portion of first permanent magnet blocks withstands the inner side end of second permanent magnet blocks, its radially inner side end face withstands the outer surface of the 3rd permanent magnet blocks, adjacent two second permanent magnet blocks sides are withstood mutually, adjacent two the 3rd permanent magnet blocks sides are withstood mutually.
Owing to adopted technique scheme, the utility model adopts the segmental rotor magnetic conductive axis that is fixed on the armature spindle that evenly distributes unshakable in one's determination is put, and with each be fixed on segmental rotor iron core that magnetic conductive axis puts except that the upper surface of its circular arc, all the other five permanent magnet blocks that all adopt permanent magnetic material to make surround its applying, and make each permanent magnet material piece identical with the pole polarity of segmental rotor iron core binding face; By being fixed on the annular end pressing plate armature spindle two ends, that adopt permeability magnetic material to make segmental rotor iron core and permanent magnet material piece are clamped on the armature spindle simultaneously.The utility model is provided with permanent magnet blocks by five faces at the segmental rotor iron core, has strengthened original permanent magnetic field greatly, thereby obtains higher power density output; In addition, the utility model posts the magnetic conduction end clamp plate in second permanent magnet outside, therefore can avoid existing axial leakage field problem in the prior art fully, improved the ability of anti-electromagnetic interference of motor and electromagnetic compatibility effectively, and improved the utilance of permanent magnet greatly, can also effectively reduce the volume of motor simultaneously; In addition, the utility model is provided with the magnetic conduction axle sleeve that adopts permeability magnetic material to make on armature spindle, therefore can avoid the leakage field phenomenon that produced between the existing rotor core and armature spindle in the prior art fully, thereby improved the anti-electromagnetic interference and the Electromagnetic Compatibility of whole motor effectively, improved the utilance of permanent magnet.Therefore, the utility model compared with prior art, the utility model has not only that compact conformation, axial end portion leakage field are low, the high advantage of magnetic efficiency utilance of permanent magnet, but also has advantages such as antijamming capability is strong, stable work in work, rotor strength height, long service life.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that Fig. 1 partly analyses structural representation;
Fig. 3 is the cross-sectional structure schematic diagram of Fig. 1;
Fig. 4 be single segmental rotor of the present utility model unshakable in one's determination with the contacted permanent magnet blocks schematic diagram of arranging;
Fig. 5 is a kind of permanent magnet blocks arrangement mode schematic diagram of the utility model embodiment 1;
Fig. 6 is a kind of permanent magnet blocks arrangement mode schematic diagram of the utility model embodiment 2;
Fig. 7 is a kind of permanent magnet blocks arrangement mode schematic diagram of the utility model embodiment 3;
Fig. 8 is a kind of permanent magnet blocks arrangement mode schematic diagram of the utility model embodiment 4;
Fig. 9 is a kind of permanent magnet blocks arrangement mode schematic diagram of the utility model embodiment 5;
Figure 10 is a kind of permanent magnet blocks arrangement mode schematic diagram of the utility model embodiment 6.
Description of reference numerals among the figure: 1-armature spindle, 2-magnetic conduction axle sleeve, 3-segmental rotor iron core, 4-first permanent magnet blocks, 5-second permanent magnet blocks, 6-the 3rd permanent magnet blocks, 7-annular end pressing plate, the magnetic pole arctic of N-permanent magnet blocks, the magnetic pole South Pole of S-permanent magnet blocks; Direction shown in the arrow among the figure is the magnetizing direction of permanent magnet blocks.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1 of the present utility model: when making the rotor of magneto, adopt following manufacture method to make, promptly when being installed in rotor core on the armature spindle, on armature spindle, overlap a magnetic conduction axle sleeve that adopts permeability magnetic material to make earlier, then rotor core is made into fan-shaped, and unshakable in one's determination evenly distribution of this segmental rotor be fixed on magnetic conductive axis and put, each is fixed on segmental rotor iron core that magnetic conductive axis puts except that the upper surface of its circular arc, all the other five permanent magnet blocks that all adopt permanent magnetic material to make surround its applying, and make each permanent magnet blocks identical with the pole polarity of segmental rotor binding face unshakable in one's determination; Unshakable in one's determination evenly distribution of segmental rotor is being fixed on magnetic conductive axis when putting, and unshakable in one's determination and permanent magnet blocks is clamped to magnetic conductive axis and puts the annular end pressing plate by being fixed on magnetic conduction axle sleeve two ends with segmental rotor, and the annular end pressing plate adopts the permeability magnetic material making.
The combined type p-m rotor of a kind of magneto of the present utility model of Zhi Zuoing according to the method described above, its structural representation such as Fig. 1～shown in Figure 4, comprise armature spindle 1, on armature spindle 1, be fixed with the magnetic conduction axle sleeve 2 that adopts permeability magnetic material to make, on magnetic conduction axle sleeve 2, be arranged alternately first permanent magnet blocks 4 of rectangle and the 3rd permanent magnet blocks 6 of circular arc by even distribution, between per two first permanent magnet blocks 4 and on each the 3rd permanent magnet blocks 6 a segmental rotor iron core 3 is being set all, and the both ends of the surface at each segmental rotor iron core 3 all are provided with second a fan-shaped permanent magnet blocks 5, make simultaneously and same segmental rotor 3 first permanent magnet blocks 4 that contact unshakable in one's determination, pole polarity on the contact-making surface of second permanent magnet blocks 5 and the 3rd permanent magnet blocks 6 is identical; During making, the axial end portion of first permanent magnet blocks 4 can be withstood the inner side end of end clamp plate 7, its radially inner side end face withstands magnetic conduction axle sleeve 2 outer surfaces, second permanent magnet blocks, 5 two sides are withstood first permanent magnet blocks, 4, the three permanent magnet blocks, 6 two sides and are also withstood the first permanent magnet blocks 4(as shown in Figure 5); Segmental rotor iron core 3 can directly adopt block solid permeability magnetic material to be made into all-in-one-piece structure according to the size that reality is used, also can adopt the sheet permeability magnetic material to constitute segmental rotor iron core 3 by the mode of lamination by conventional method; On the two ends of magnetic conduction axle sleeve 2, be fixed with an annular end pressing plate 7 that adopts permeability magnetic material to make then respectively, segmental rotor iron core 3, first permanent magnet blocks 4, second permanent magnet blocks 5 and the 3rd permanent magnet blocks 6 are clamped and fixed on the magnetic conduction axle sleeve 2 by annular end pressing plate 7.
Embodiment 2: when making the combined type p-m rotor of a kind of magneto of the present utility model, can make by the method for embodiment 1, during making, also the axial end portion of first permanent magnet blocks 4 can be withstood the inner side end of end clamp plate 7, leave the space between its radially inner side end face and magnetic conduction axle sleeve 2 outer surfaces, first permanent magnet blocks 4 is withstood in second permanent magnet blocks, 5 two sides, leaves space (as shown in Figure 6) between adjacent two the 3rd permanent magnet blocks 6 sides; All the other production methods are all identical with embodiment 1.
Embodiment 3: when making the combined type p-m rotor of a kind of magneto of the present utility model, can make by the method for embodiment 1, during making, also can leave the space between the inner side end with the axial end portion of first permanent magnet 4 and annular end pressing plate 7, leave the space between its radially inner side end face and magnetic conduction axle sleeve 2 outer surfaces, leave the space between adjacent two second permanent magnet blocks 5 sides, leave space (as shown in Figure 7) between adjacent two the 3rd permanent magnet blocks 6 sides; All the other production methods are all identical with embodiment 1.
Embodiment 4: when making the combined type p-m rotor of a kind of magneto of the present utility model, can make by the method for embodiment 1, during making, also can leave the space between the inner side end with the axial end portion of first permanent magnet blocks 4 and annular end pressing plate 7, its radially inner side end face withstands the outer surface of the 3rd permanent magnet blocks 6, leave the space between adjacent two second permanent magnet blocks 5 sides, adjacent two the 3rd permanent magnet blocks 6 sides are withstood (as shown in Figure 8) mutually; All the other production methods are all identical with embodiment 1.
Embodiment 5: when making the combined type p-m rotor of a kind of magneto of the present utility model, can make by the method for embodiment 1, during making, also the axial end portion of first permanent magnet blocks 4 can be withstood the inner side end of second permanent magnet blocks 2, leave the space between its radially inner side end face and magnetic conduction axle sleeve 2 outer surfaces, withstand mutually adjacent two second permanent magnet blocks 2 sides, leaves space (as shown in Figure 9) between adjacent two the 3rd permanent magnet blocks 6 sides; All the other production methods are all identical with embodiment 1.
Embodiment 6: when making the combined type p-m rotor of a kind of magneto of the present utility model, can make by the method for embodiment 1, during making, also the axial end portion of first permanent magnet blocks 4 can be withstood the inner side end of second permanent magnet blocks 5, its radially inner side end face withstands the outer surface of the 3rd permanent magnet blocks 6, adjacent two second permanent magnet blocks 5 sides are withstood mutually, adjacent two the 3rd permanent magnet blocks 6 sides are withstood (as shown in figure 10) mutually; All the other production methods are all identical with embodiment 1.
Claims (9)
1. the combined type p-m rotor of a magneto, comprise armature spindle (1), it is characterized in that: on armature spindle (1), be fixed with the magnetic conduction axle sleeve (2) that adopts permeability magnetic material to make, upward be arranged alternately first permanent magnet blocks (4) of rectangle and the 3rd permanent magnet blocks (6) of circular arc at magnetic conduction axle sleeve (2) by even distribution, all be provided with a segmental rotor iron core (3) between per two first permanent magnet blocks (4) and on each the 3rd permanent magnet blocks (6), and the both ends of the surface at each segmental rotor iron core (3) all are provided with fan-shaped second permanent magnet blocks (5), on the two ends of magnetic conduction axle sleeve (2), be fixed with an annular end pressing plate (7) that adopts permeability magnetic material to make respectively, segmental rotor iron core (3), first permanent magnet blocks (4), second permanent magnet blocks (5) and the 3rd permanent magnet blocks (6) are clamped and fixed on the magnetic conduction axle sleeve (2) by annular end pressing plate (7).
2. the combined type p-m rotor of magneto according to claim 1 is characterized in that: identical with the pole polarity on the contact-making surface of first permanent magnet blocks (4), second permanent magnet blocks (5) and the 3rd permanent magnet blocks (6) of same segmental rotor iron core (3) contact.
3. the combined type p-m rotor of magneto according to claim 1 and 2 is characterized in that: segmental rotor iron core (3) the block solid permeability magnetic material of serving as reasons constitutes or is made up of sheet permeability magnetic material lamination.
4. the combined type p-m rotor of magneto according to claim 1, it is characterized in that: the axial end portion of described first permanent magnet blocks (4) withstands the inner side end of end clamp plate (7), its radially inner side end face withstands magnetic conduction axle sleeve (2) outer surface, first permanent magnet blocks (4) is withstood in second permanent magnet blocks (5) two sides, and first permanent magnet blocks (4) is also withstood in the 3rd permanent magnet blocks (6) two sides.
5. the combined type p-m rotor of magneto according to claim 1, it is characterized in that: the axial end portion of first permanent magnet blocks (4) withstands the inner side end of end clamp plate (7), leave the space between its radially inner side end face and magnetic conduction axle sleeve (2) outer surface, first permanent magnet blocks (4) is withstood in second permanent magnet blocks (5) two sides, leaves the space between adjacent two the 3rd permanent magnet blocks (6) side.
6. the combined type p-m rotor of magneto according to claim 1, it is characterized in that: leave the space between the inner side end of the axial end portion of first permanent magnet (4) and annular end pressing plate (7), leave the space between its radially inner side end face and magnetic conduction axle sleeve (2) outer surface, adjacent two second permanent magnet blocks (5) leave the space between the side, and adjacent two the 3rd permanent magnet blocks (6) leave the space between the side.
7. the combined type p-m rotor of magneto according to claim 1, it is characterized in that: leave the space between the inner side end of the axial end portion of first permanent magnet blocks (4) and annular end pressing plate (7), its radially inner side end face withstands the outer surface of the 3rd permanent magnet blocks (6), adjacent two second permanent magnet blocks (5) leave the space between the side, and withstand mutually adjacent two the 3rd permanent magnet blocks (6) side.
8. the combined type p-m rotor of magneto according to claim 1, it is characterized in that: the axial end portion of first permanent magnet blocks (4) withstands the inner side end of second permanent magnet blocks (2), leave the space between its radially inner side end face and magnetic conduction axle sleeve (2) outer surface, withstand mutually adjacent two second permanent magnet blocks (2) side, and adjacent two the 3rd permanent magnet blocks (6) leave the space between the side.
9. the combined type p-m rotor of magneto according to claim 1, it is characterized in that: the axial end portion of first permanent magnet blocks (4) withstands the inner side end of second permanent magnet blocks (5), its radially inner side end face withstands the outer surface of the 3rd permanent magnet blocks (6), adjacent two second permanent magnet blocks (5) side is withstood mutually, adjacent two the 3rd permanent magnet blocks (6) side is withstood mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201309067U CN201975883U (en) | 2011-04-28 | 2011-04-28 | Composite p-m rotor for magnetoelectric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201309067U CN201975883U (en) | 2011-04-28 | 2011-04-28 | Composite p-m rotor for magnetoelectric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975883U true CN201975883U (en) | 2011-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201309067U Expired - Lifetime CN201975883U (en) | 2011-04-28 | 2011-04-28 | Composite p-m rotor for magnetoelectric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201975883U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738992A (en) * | 2012-07-06 | 2012-10-17 | 王光顺 | Assembled mixed excitation generator |
| CN102761210A (en) * | 2011-04-28 | 2012-10-31 | 中国江南航天工业集团林泉电机厂 | Composite permanent-magnet rotor for permanent-magnet motor and manufacturing method thereof |
| CN103138447A (en) * | 2011-12-02 | 2013-06-05 | 株式会社电装 | Rotation motor and wheel with the rotation motor |
-
2011
- 2011-04-28 CN CN2011201309067U patent/CN201975883U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761210A (en) * | 2011-04-28 | 2012-10-31 | 中国江南航天工业集团林泉电机厂 | Composite permanent-magnet rotor for permanent-magnet motor and manufacturing method thereof |
| CN102761210B (en) * | 2011-04-28 | 2014-11-26 | 中国江南航天工业集团林泉电机厂 | Composite permanent-magnet rotor for permanent-magnet motor and manufacturing method thereof |
| CN103138447A (en) * | 2011-12-02 | 2013-06-05 | 株式会社电装 | Rotation motor and wheel with the rotation motor |
| CN102738992A (en) * | 2012-07-06 | 2012-10-17 | 王光顺 | Assembled mixed excitation generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110914 Effective date of abandoning: 20141126 |
|
| RGAV | Abandon patent right to avoid regrant |