CN104143869A - High-power high-speed permanent magnet motor rotor - Google Patents
High-power high-speed permanent magnet motor rotor Download PDFInfo
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- CN104143869A CN104143869A CN201310170346.1A CN201310170346A CN104143869A CN 104143869 A CN104143869 A CN 104143869A CN 201310170346 A CN201310170346 A CN 201310170346A CN 104143869 A CN104143869 A CN 104143869A
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- magnet steel
- perforation
- permanent magnet
- iron core
- speed permanent
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Abstract
The invention discloses a high-power high-speed permanent magnet motor rotor. The permanent magnet motor rotor comprises a rotor shaft, a fan arranged on the rotor shaft, a salient pole iron core arranged in the middle of the rotor shaft, and magnetic steel arranged on the salient pole iron core. The salient pole iron core is formed by overlaying a plurality of iron core punched sheets, a plurality of convex parts distributed evenly are arranged on the outer edge of each iron core punched sheet, a plurality of through holes are formed side by side in the convex part of each iron core punched sheet, after the iron core punched sheets are overlaid, the through holes the same in position form magnetic steel installing holes through in the axial direction, and the magnetic steel is installed in the magnetic steel installing holes. As the holes for installing the magnetic steel are formed in the iron core, it can be avoided that the magnetic steel is thrown out by high centrifugal force generated by the motor rotor to cause safety accidents or damage a motor, and the permanent magnet motor rotor is convenient to assemble and low in cost.
Description
Technical field
The invention belongs to magneto, be specifically related to a kind of Large-power High-Speed permanent magnet machine rotor.
Background technology
Traditional salient pole synchronous electric machine is low speed small power motor, the magnet steel that its pole pair is answered is directly adsorbed in yoke, and the fixed form of above-mentioned magnet steel cannot be applied on Large-power High-Speed salient pole synchronous electric machine, rotating shaft is under High Rotation Speed, can produce larger centrifugal force, magnet steel is thrown away, cause security incident, and can cause damage to motor.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Large-power High-Speed permanent magnet machine rotor.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of large high-power high speed permanent magnet motor rotor, comprise armature spindle, be located at fan on armature spindle, be located at the salient pole iron core in the middle of armature spindle, be located at the magnet steel on salient pole iron core, salient pole iron core forms by a plurality of core stampings are stacked, the outer rim of each core stamping has equally distributed a plurality of protuberance, on each protuberance of described core stamping, a plurality of perforation have all been arranged side by side, the perforation of same position is a magnet steel installing hole axially running through after core stamping is stacked, and described magnet steel is located in magnet steel installing hole.
Magnet steel in described magnet steel installing hole is a plurality of for what be axially arranged side by side.
Described each core stamping outer rim has 6 protuberances, has 4 perforation on each protuberance.
The rectangular shape of centre on described each protuberance two perforation, and the both sides edge of this perforation be all one step-like.
Between the magnet steel arranging in two perforation of described centre, spacing L1 is 6mm.
The rectangular shape of sidepiece on described each protuberance two perforation, and the inner side edge of this perforation be one step-like, outside edge be two continuous step-like.
The magnet steel arranging in described sidepiece two perforation and the spacing of protuberance respective side edge are L210mm.
Glue layer is also set in the gap of described magnet steel and magnet steel installing hole.
Adopt technique scheme, make Large-power High-Speed permanent magnet machine rotor of the present invention there is following advantage:
1, by perforate mounting magnetic steel on iron core, can avoid magnet steel to be thrown out of because of the high centrifugal force that rotor produces, and then cause security incident and damage motor, and easy to assembly, cost is low.
2, by perforation corner, be stepped design, can make to there is certain spacing between magnet steel and perforation sidepiece, magnet steel and magnet steel, magnet steel and protuberance side, not only can play and reduce the tensile stress of motor rotor punching sheet under High Rotation Speed, but also be convenient to magnet steel, install.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail:
Fig. 1 is the structural representation of rotor of the present invention.
Fig. 2 is the structural representation of core stamping of the present invention.
Fig. 3 is the structural representation of of the present invention one middle perforation.
Fig. 4 is the structural representation of a sidepiece perforation of the present invention.
Embodiment
As depicted in figs. 1 and 2, what Large-power High-Speed permanent magnet machine rotor of the present invention was same as the prior art is, equally also comprise armature spindle 1, be located at fan 2 on armature spindle 1, be located at the salient pole iron core 3 in the middle of armature spindle 1, be located at the magnet steel 4 on salient pole iron core 3, wherein, salient pole iron core 3 is by stacked the forming of a plurality of core stampings 5, and the outer rim of each core stamping 5 has equally distributed a plurality of protuberance 6.Different, on each protuberance 6 of described core stamping 5, be all arranged side by side a plurality of perforation 7, the perforation 7 of same position is a magnet steel installing hole 8 axially running through after core stamping 5 is stacked, and described magnet steel 4 is located in magnet steel installing hole 8.Magnet steel 4 in each magnet steel installing hole 8 shown in Fig. 1 is a plurality of for what be axially arranged side by side, and the installation length of whole magnet steel 4 and magnet steel installing hole 8 axial lengths are isometric.Each core stamping 5 outer rim shown in Fig. 2 have 6 protuberances 6, have 4 perforation 7 on each protuberance 6.Shown in Fig. 3, the rectangular shape of centre two perforation 7a on described each protuberance 6, and the both sides edge of this perforation 7 is all a step-like a, the width that magnet steel 4 in the inner is so installed need be slightly less than perforation 7a width, be that magnet steel 4 both sides exist certain spacing with perforation 7a both sides, while so installing, can not rub mutually with perforation 7a both sides, facilitate the installation of magnet steel 4.In addition, spacing L1 between the magnet steel 4 arranging in middle two perforation 7a is controlled to 6mm left and right, can plays the effect that reduces the tensile stress that motor rotor punching sheet causes because of centrifugal force when High Rotation Speed.Shown in Fig. 4, the rectangular shape of sidepiece on described each protuberance 6 two perforation 7b, and the inner side edge of this perforation 7b is a step-like a equally, and outside edge is two continuous step-like b.The magnet steel 4 arranging in described sidepiece two perforation 7b is controlled at 10mm with the spacing L2 of protuberance 6 respective side edge.So, not only can facilitate the installation of magnet steel 4, but also can play the effect that reduces the tensile stress that motor rotor punching sheet causes because of centrifugal force when High Rotation Speed.In addition, described magnet steel 4 bores a hole with magnet steel installing hole 8() surrounding gap in the glue layer 9 consisting of magnet steel glue special is also set, in the High Rotation Speed process of rotor, play the effect of buffering and damping, this glue layer 9 is smeared in magnet steel 4 installation processes, also there is lubricated effect, be convenient to assembling.
In sum, adopt Large-power High-Speed permanent magnet machine rotor of the present invention to there is following advantage:
1, by perforate mounting magnetic steel 4 on iron core, can avoid magnet steel 4 to be thrown out of because of the high centrifugal force that rotor produces, and then cause security incident and damage motor, and easy to assembly, cost is low.
2, by 7 corners of boring a hole, be stepped design, can make to there is certain spacing between magnet steel 4 and perforation 7 sidepieces, magnet steel 4 and magnet steel 4, magnet steel 4 and protuberance 6 sides, not only can play the effect that reduces the tensile stress that motor rotor punching sheet causes because of centrifugal force when High Rotation Speed, but also be convenient to magnet steel 4, install.
But; those skilled in the art will recognize that; above-mentioned embodiment is exemplary; in order better to make those skilled in the art can understand this patent; can not be interpreted as it is the restriction to this patent protection range; so long as according to spirit that this patent discloses do be anyly equal to change or modify, all fall into the scope of this patent protection.
Claims (8)
1. a Large-power High-Speed permanent magnet machine rotor, comprise armature spindle, be located at fan on armature spindle, be located at the salient pole iron core in the middle of armature spindle, be located at the magnet steel on salient pole iron core, salient pole iron core forms by a plurality of core stampings are stacked, the outer rim of each core stamping has equally distributed a plurality of protuberance, it is characterized in that: on each protuberance of described core stamping, be all arranged side by side a plurality of perforation, the perforation of same position is a magnet steel installing hole axially running through after core stamping is stacked, and described magnet steel is located in magnet steel installing hole.
2. Large-power High-Speed permanent magnet machine rotor according to claim 1, is characterized in that:
Magnet steel in described magnet steel installing hole is a plurality of for what be axially arranged side by side.
3. Large-power High-Speed permanent magnet machine rotor according to claim 1, is characterized in that:
Described each core stamping outer rim has 6 protuberances, has 4 perforation on each protuberance.
4. Large-power High-Speed permanent magnet machine rotor according to claim 3, is characterized in that:
The rectangular shape of centre on described each protuberance two perforation, and the both sides edge of this perforation be all one step-like.
5. Large-power High-Speed permanent magnet machine rotor according to claim 4, is characterized in that:
Between the magnet steel arranging in two perforation of described centre, spacing L1 is 6mm.
6. Large-power High-Speed permanent magnet machine rotor according to claim 3, is characterized in that:
The rectangular shape of sidepiece on described each protuberance two perforation, and the inner side edge of this perforation be one step-like, outside edge be two continuous step-like.
7. Large-power High-Speed permanent magnet machine rotor according to claim 6, is characterized in that:
The magnet steel arranging in described sidepiece two perforation and the spacing L2 of protuberance respective side edge are 10mm.
8. Large-power High-Speed permanent magnet machine rotor according to claim 1, is characterized in that:
Glue layer is also set in the gap of described magnet steel and magnet steel installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310170346.1A CN104143869B (en) | 2013-05-09 | 2013-05-09 | A kind of Large-power High-Speed permanent magnet machine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310170346.1A CN104143869B (en) | 2013-05-09 | 2013-05-09 | A kind of Large-power High-Speed permanent magnet machine rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104143869A true CN104143869A (en) | 2014-11-12 |
| CN104143869B CN104143869B (en) | 2016-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310170346.1A Active CN104143869B (en) | 2013-05-09 | 2013-05-09 | A kind of Large-power High-Speed permanent magnet machine rotor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201388089Y (en) * | 2009-04-14 | 2010-01-20 | 东元电机股份有限公司 | Rotating device |
| CN201868965U (en) * | 2010-11-30 | 2011-06-15 | 东方电气集团东方电机有限公司 | Megawatt-level permanent magnetic generator |
| CN102420473A (en) * | 2010-09-28 | 2012-04-18 | 本田技研工业株式会社 | Rotor |
| JP2012080718A (en) * | 2010-10-05 | 2012-04-19 | Honda Motor Co Ltd | Skew rotor and manufacturing method therefor |
| CN102570659A (en) * | 2010-11-01 | 2012-07-11 | 本田技研工业株式会社 | Rotor of rotary electric machine |
| CN203261214U (en) * | 2013-05-09 | 2013-10-30 | 上海电气集团上海电机厂有限公司 | Rotor core of large power high speed permanent magnetism motor |
-
2013
- 2013-05-09 CN CN201310170346.1A patent/CN104143869B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201388089Y (en) * | 2009-04-14 | 2010-01-20 | 东元电机股份有限公司 | Rotating device |
| CN102420473A (en) * | 2010-09-28 | 2012-04-18 | 本田技研工业株式会社 | Rotor |
| JP2012080718A (en) * | 2010-10-05 | 2012-04-19 | Honda Motor Co Ltd | Skew rotor and manufacturing method therefor |
| CN102570659A (en) * | 2010-11-01 | 2012-07-11 | 本田技研工业株式会社 | Rotor of rotary electric machine |
| CN201868965U (en) * | 2010-11-30 | 2011-06-15 | 东方电气集团东方电机有限公司 | Megawatt-level permanent magnetic generator |
| CN203261214U (en) * | 2013-05-09 | 2013-10-30 | 上海电气集团上海电机厂有限公司 | Rotor core of large power high speed permanent magnetism motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104143869B (en) | 2016-12-28 |
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