CN102761211B - Permanent-magnetic rotor with non-magnetic-permeable distance sleeve and method for manufacturing permanent-magnet rotor - Google Patents
Permanent-magnetic rotor with non-magnetic-permeable distance sleeve and method for manufacturing permanent-magnet rotor Download PDFInfo
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- CN102761211B CN102761211B CN201110108764.9A CN201110108764A CN102761211B CN 102761211 B CN102761211 B CN 102761211B CN 201110108764 A CN201110108764 A CN 201110108764A CN 102761211 B CN102761211 B CN 102761211B
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Abstract
The invention discloses a permanent-magnetic rotor with a non-magnetic-permeable distance sleeve and a method for manufacturing the permanent-magnetic rotor. The method includes sleeving the non-magnetic-permeable distance sleeve made of a non-magnetic-permeable material on a rotor shaft at first when iron cores of the rotor are mounted on the rotor shaft; then manufacturing the iron cores of the rotor into fan-shaped iron cores; uniformly distributing and fixedly mounting the fan-shaped iron cores of the rotor on the non-magnetic-permeable distance sleeve; encircling four surfaces, except for the arc-shaped upper end surface and a contacting surface with the non-magnetic-permeable distance sleeve, of each fan-shaped iron core, which is fixedly mounted on the non-magnetic-permeable distance sleeve, of the rotor by permanent magnets made of permanent magnetic materials in an attached manner; and arranging attached surfaces of the permanent magnets and the fan-shaped iron cores of the rotor properly so that magnetic polarities of the attached surfaces of the permanent magnets and the fan-shaped iron cores are identical correspondingly. The permanent-magnetic rotor has the advantages that the permanent-magnetic rotor is compact in structure, high in interference resistance, stable in work performance and long in service life, flux leakage at axial ends and flux leakage interference of the rotor are low, magnetic efficiency and utilization rate of each permanent magnet are high, and the like.
Description
Technical field
The present invention relates to a kind of p-m rotor that is provided with magnetic conduction separation sleeve not and preparation method thereof, belong to magneto manufacture technology field.
Background technology
Magneto has the advantage such as high efficiency, high power density, is recently subject to increasing attention.Wherein permanent magnetism interpolation type motor, has processing simple, and rotor permanent magnet can be realized magnet accumulating cap, is widely used a kind of magneto.But, the existing problem of axial end portion leakage field for the permanent magnetism interpolation type rotor ubiquity of magneto, and its rotor axial two side ends pressing plate must adopt non-magnet material to make, and otherwise 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 large, magnetic efficiency is lower, but also exist the problem that intensity is low, useful life is shorter; In addition, the armature spindle of permanent magnet machine rotor of the prior art generally adopts permeability magnetic material to make, and its rotor core is directly installed on armature spindle, therefore very serious by the leak phenomenon of leakage field of rotor axial, this requires the little use occasion of magnetic disturbance for some, and existing these magnetoes are just not too applicable.Therefore the result of use of existing permanent magnet machine rotor or not ideal enough.
Summary of the invention
The object of the invention is: provide a kind of compact conformation, axial end portion leakage field magnetic efficiency utilance low, permanent magnet is high, magnetic disturbance is little, useful life is long is provided with p-m rotor of magnetic conduction separation sleeve not and preparation method thereof, to overcome the deficiencies in the prior art.
The present invention is achieved in that a kind of not manufacture method of the p-m rotor of magnetic conduction separation sleeve that is provided with of the present invention is, the method comprises that the existing rotor core that permeability magnetic material is made is arranged on armature spindle, in the time that rotor core is arranged on armature spindle, first on armature spindle, overlap a not magnetic conduction separation sleeve that adopts non-magnet material to make, then rotor core is made into fan-shaped, and this segmental rotor iron core is uniformly distributed and is fixed on not on magnetic conduction separation sleeve, each is fixed on simultaneously segmental rotor iron core on magnetic conduction separation sleeve not except the upper surface of its circular arc and with magnetic conduction separation sleeve contact-making surface not, the permanent magnet blocks that all the other four sides all adopt permanent magnetic material to make surrounds its laminating, and make each permanent magnet blocks identical with the pole polarity of segmental rotor binding face unshakable in one's determination.
Segmental rotor iron core is uniformly distributed while being fixed on not on magnetic conduction separation sleeve above-mentioned, by segmental rotor, unshakable in one's determination and permanent magnet blocks is clamped to not on magnetic conduction separation sleeve annular end pressing plate by being fixed on magnetic conduction separation sleeve two ends not, and annular end pressing plate adopts permeability magnetic material making.
The above-mentioned making not non-magnet material of magnetic conduction separation sleeve is aluminium, aluminium alloy, copper, copper alloy or stainless steel material.
The of the present invention a kind of not p-m rotor of magnetic conduction separation sleeve that is provided with building is according to the method described above: this p-m rotor comprises armature spindle, on armature spindle, be fixed with the not magnetic conduction separation sleeve that adopts non-magnet material to make, on magnetic conduction separation sleeve not by being uniformly distributed the first permanent magnet blocks and the segmental rotor iron core that are arranged alternately rectangle, and each segmental rotor iron core is separately positioned between two the first permanent magnet blocks, be respectively arranged with a second fan-shaped permanent magnet blocks in the both ends of the surface of each segmental rotor iron core, on the two ends of magnetic conduction separation sleeve not, be fixed with respectively an annular end pressing plate that adopts permeability magnetic material to make, segmental rotor iron core, the first permanent magnet blocks and the second permanent magnet blocks are clamped and fixed in not on magnetic conduction separation sleeve by annular end pressing plate.
Pole polarity on the first permanent magnet blocks of above-mentioned and same segmental rotor contact unshakable in one's determination and the contact-making surface of the second permanent magnet blocks is all identical.
The above-mentioned segmental rotor iron core block solid permeability magnetic material of serving as reasons forms 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 not magnetic conduction separation sleeve outer surface, and the first permanent magnet blocks is withstood in the second permanent magnet blocks two sides; Or two sides of adjacent two the second permanent magnet blocks withstand mutually, and two ends of the first permanent magnet withstand on respectively on the inner side end of the second permanent magnet at two ends; Or leave gap between two sides of two adjacent the second permanent magnets, and the just position, gap to two second permanent magnets adjacent with its two ends of difference, the two ends of the first permanent magnet.
Owing to having adopted technique scheme, the present invention adopts segmental rotor iron core is uniformly distributed on the not magnetic conduction separation sleeve being fixed on armature spindle, and each is fixed on to the permanent magnet blocks that four faces of the segmental rotor iron core on magnetic conduction separation sleeve not all adopt permanent magnetic material to make its laminating is surrounded, and make each permanent magnet material piece all identical with the pole polarity of segmental rotor iron core binding face; By being fixed on annular end pressing plates magnetic conduction separation sleeve two ends, that adopt permeability magnetic material to make, segmental rotor iron core and permanent magnet material piece are clamped on the not magnetic conduction separation sleeve on armature spindle simultaneously.The present invention arranges permanent magnet blocks by four faces at segmental rotor iron core, has greatly strengthened original permanent-magnet magnetic magnetic field, thereby obtains higher power density output; In addition, the present invention posts magnetic conduction end clamp plate in the second permanent magnet outside, therefore can avoid existing axial leakage field problem in prior art completely, effectively improve the ability of the anti-electromagnetic interference of motor and electromagnetic compatibility, and greatly improved the utilance of permanent magnet, can also effectively reduce the volume of motor simultaneously; In addition, the present invention is provided with the not magnetic conduction separation sleeve that adopts non-magnet material to make on armature spindle, therefore can avoid rotor field to pass through the problem of the outer leakage field of rotor axial completely, thereby has effectively reduced the leakage field interference problem of whole motor.Therefore, the present invention compared with prior art, the present invention not only has advantages of that compact conformation, axial end portion leakage field magnetic efficiency utilance low, permanent magnet are high, but also have that antijamming capability is strong, the advantage such as stable work in work, leakage field are disturbed little, long service life.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that Fig. 1 part is analysed structural representation;
Fig. 3 is the cross-sectional structure schematic diagram of Fig. 1;
Fig. 4 be single segmental rotor of the present invention unshakable in one's determination with the permanent magnet blocks the contacting schematic diagram of arranging;
Fig. 5 is a kind of permanent magnet blocks arrangement mode schematic diagram of the embodiment of the present invention 1;
Fig. 6 is the another kind of permanent magnet blocks arrangement mode schematic diagram of the embodiment of the present invention 2;
Fig. 7 is another permanent magnet blocks arrangement mode schematic diagram of the embodiment of the present invention 3.
Description of reference numerals in figure: 1-armature spindle, 2-is magnetic conduction separation sleeve not, 3-segmental rotor iron core, 4-the first permanent magnet blocks, 5-the second permanent magnet blocks, 6-annular end pressing plate, the north magnetic pole of N-permanent magnet blocks, the south magnetic pole of S-permanent magnet blocks; The magnetizing direction that shown in arrow in figure, direction is permanent magnet blocks.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Embodiments of the invention 1: in the time making the rotor of magneto, adopt a kind of not manufacture method of the p-m rotor of magnetic conduction separation sleeve that is provided with of the present invention to make, when making, first on armature spindle, overlap a not magnetic conduction separation sleeve that adopts non-magnet material to make, this non-magnet material can adopt existing aluminium, aluminium alloy, copper, copper alloy or stainless steel material; Then rotor core is made into fan-shaped, and this segmental rotor iron core is uniformly distributed and is fixed on not on magnetic conduction separation sleeve, each is fixed on simultaneously segmental rotor iron core on magnetic conduction separation sleeve not except the upper surface of its circular arc and with magnetic conduction separation sleeve contact-making surface not, all the other four sides permanent magnet blocks of all adopting permanent magnetic material to make surround its laminating, and make each permanent magnet blocks identical with the pole polarity of segmental rotor iron core binding face; Segmental rotor iron core being uniformly distributed while being fixed on not on magnetic conduction separation sleeve, by segmental rotor, unshakable in one's determination and permanent magnet blocks is clamped to not on magnetic conduction separation sleeve annular end pressing plate by being fixed on magnetic conduction separation sleeve two ends not, and annular end pressing plate adopts permeability magnetic material making.
The of the present invention a kind of structural representation that is provided with the p-m rotor of magnetic conduction separation sleeve not building according to the method described above as shown in Figure 1 to 4, this p-m rotor comprises existing armature spindle 1, when making, on armature spindle 1, fix a not magnetic conduction separation sleeve 2 that adopts non-magnet material to make, on the whole face of cylinder of magnetic conduction separation sleeve 2 not by the first permanent magnet blocks 4 and the segmental rotor iron core 3 that are uniformly distributed the mode being arranged alternately and arrange respectively rectangle, and each segmental rotor iron core 3 is separately positioned between two the first permanent magnet blocks 4, segmental rotor iron core 3 can be made into the structure being made up of the solid permeability magnetic material of bulk or the structure being made up of sheet permeability magnetic material lamination, in the both ends of the surface of each segmental rotor iron core 3, a second fan-shaped permanent magnet blocks 5 is set respectively, and make all identical with the pole polarity on same segmental rotor 3 the first permanent magnet blocks 4 of contact unshakable in one's determination and the contact-making surface of the second permanent magnet blocks 5, the axial end portion of the first permanent magnet blocks 4 is withstood to the inner side end of end clamp plate 6, its radially inner side end face withstands not on magnetic conduction separation sleeve 2 outer surfaces, and withstand on the side of the first permanent magnet blocks 4 (as shown in Figure 5) the second permanent magnet blocks 5 two sides, then on the two ends of magnetic conduction separation sleeve 2 not, fix respectively an annular end pressing plate 6 that adopts permeability magnetic material to make, segmental rotor iron core 3, the first permanent magnet blocks 4 and the second permanent magnet blocks 5 are clamped and fixed in not on magnetic conduction separation sleeve 2 by annular end pressing plate 6.
Embodiment 2: in the time making the p-m rotor that is provided with magnetic conduction separation sleeve not of the present invention, can make by the method for embodiment 1, when making, also two sides of adjacent two the second permanent magnet blocks 5 can be withstood mutually, and two ends of the first permanent magnet 4 be withstood on respectively on the inner side end of the second permanent magnet 5 at two ends (as shown in Figure 6); All the other production methods are all identical with embodiment 1.
Embodiment 3: in the time making the p-m rotor that is provided with magnetic conduction separation sleeve not of the present invention, can make by the method for embodiment 1, when making, also can will between two sides of two adjacent the second permanent magnets 5, leave gap, make the just position, gap (as shown in Figure 7) to two second permanent magnets 5 adjacent with its two ends of difference, two ends of the first permanent magnet 4; All the other production methods are all identical with embodiment 1.
Claims (3)
1. one kind is provided with the not manufacture method of the p-m rotor of magnetic conduction separation sleeve, comprise that the rotor core that permeability magnetic material is made is arranged on armature spindle, it is characterized in that: in the time that rotor core is arranged on armature spindle, first on armature spindle, overlap a not magnetic conduction separation sleeve that adopts non-magnet material to make, then rotor core is made into fan-shaped, and this segmental rotor iron core is uniformly distributed and is fixed on not on magnetic conduction separation sleeve, each is fixed on simultaneously segmental rotor iron core on magnetic conduction separation sleeve not except the upper surface of its circular arc and with magnetic conduction separation sleeve contact-making surface not, the permanent magnet blocks that all the other four sides all adopt permanent magnetic material to make surrounds its laminating, and make each permanent magnet blocks identical with the pole polarity of segmental rotor binding face unshakable in one's determination, segmental rotor iron core being uniformly distributed while being fixed on not on magnetic conduction separation sleeve, by segmental rotor, unshakable in one's determination and permanent magnet blocks is clamped to not on magnetic conduction separation sleeve annular end pressing plate by being fixed on magnetic conduction separation sleeve two ends not, and annular end pressing plate adopts permeability magnetic material to make, making the not non-magnet material of magnetic conduction separation sleeve is aluminium, aluminium alloy, copper, copper alloy, or stainless steel material.
2. one kind is provided with the not p-m rotor of magnetic conduction separation sleeve, comprise armature spindle (1), it is characterized in that: on armature spindle (1), be fixed with the not magnetic conduction separation sleeve (2) that adopts non-magnet material to make, upper by being uniformly distributed the first permanent magnet blocks (4) and the segmental rotor iron core (3) that are arranged alternately rectangle at magnetic conduction separation sleeve (2) not, and each segmental rotor iron core (3) is separately positioned between two the first permanent magnet blocks (4), be respectively arranged with fan-shaped second permanent magnet blocks (5) in the both ends of the surface of each segmental rotor iron core (3), on the two ends of magnetic conduction separation sleeve (2) not, be fixed with respectively an annular end pressing plate (6) that adopts permeability magnetic material to make, segmental rotor iron core (3), the first permanent magnet blocks (4) and the second permanent magnet blocks (5) are clamped and fixed in not on magnetic conduction separation sleeve (2) by annular end pressing plate (6), the axial end portion of described the first permanent magnet blocks (4) withstands the inner side end of end clamp plate (6), its radially inner side end face withstands not magnetic conduction separation sleeve (2) outer surface, the first permanent magnet blocks (4) is withstood in the second permanent magnet blocks (5) two sides, or two sides of adjacent two the second permanent magnet blocks (5) withstand mutually, and two ends of the first permanent magnet (4) withstand on respectively on the inner side end of the second permanent magnet (5) at two ends, or leave gap between two sides of adjacent two the second permanent magnets (5), and the just position, gap to two second permanent magnets (5) adjacent with its two ends of difference, the two ends of the first permanent magnet (4), segmental rotor iron core (3) the block solid permeability magnetic material of serving as reasons forms or is made up of sheet permeability magnetic material lamination.
3. the not p-m rotor of magnetic conduction separation sleeve that is provided with according to claim 2, is characterized in that: all identical with the pole polarity on first permanent magnet blocks (4) of same segmental rotor iron core (3) contact and the contact-making surface of the second permanent magnet blocks (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110108764.9A CN102761211B (en) | 2011-04-28 | 2011-04-28 | Permanent-magnetic rotor with non-magnetic-permeable distance sleeve and method for manufacturing permanent-magnet rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110108764.9A CN102761211B (en) | 2011-04-28 | 2011-04-28 | Permanent-magnetic rotor with non-magnetic-permeable distance sleeve and method for manufacturing permanent-magnet rotor |
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| Publication Number | Publication Date |
|---|---|
| CN102761211A CN102761211A (en) | 2012-10-31 |
| CN102761211B true CN102761211B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110108764.9A Expired - Fee Related CN102761211B (en) | 2011-04-28 | 2011-04-28 | Permanent-magnetic rotor with non-magnetic-permeable distance sleeve and method for manufacturing permanent-magnet rotor |
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Families Citing this family (13)
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| US10263480B2 (en) | 2012-03-20 | 2019-04-16 | Linear Labs, LLC | Brushless electric motor/generator |
| KR102048601B1 (en) | 2012-03-20 | 2019-11-25 | 리니어 랩스, 엘엘씨 | An improved dc electric motor/generator with enhanced permanent magnet flux densities |
| US10284029B2 (en) | 2012-03-20 | 2019-05-07 | Linear Labs, LLC | Brushed electric motor/generator |
| US9729016B1 (en) | 2012-03-20 | 2017-08-08 | Linear Labs, Inc. | Multi-tunnel electric motor/generator |
| JP6018940B2 (en) * | 2013-01-31 | 2016-11-02 | マブチモーター株式会社 | Rotor and motor |
| CN111509873B (en) * | 2015-04-08 | 2022-10-04 | 凌力尔特实验室股份有限公司 | Improved multi-channel electric motor/generator |
| JP2019068729A (en) | 2017-10-03 | 2019-04-25 | ロマックス テクノロジー リミテッド | motor |
| GB201717871D0 (en) | 2017-10-30 | 2017-12-13 | Romax Tech Limited | Motor |
| GB2581709B (en) * | 2018-09-26 | 2021-04-28 | Romax Tech Limited | Motor |
| JP7291341B2 (en) * | 2019-02-21 | 2023-06-15 | 国立大学法人東北大学 | Rotating electric machine |
| US11277062B2 (en) | 2019-08-19 | 2022-03-15 | Linear Labs, Inc. | System and method for an electric motor/generator with a multi-layer stator/rotor assembly |
| CN119276033A (en) * | 2023-07-06 | 2025-01-07 | 珠海格力电器股份有限公司 | Rotor structure and motor |
| CN119341239A (en) * | 2023-07-19 | 2025-01-21 | 珠海格力电器股份有限公司 | Rotor structure and motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2527067Y2 (en) * | 1991-03-06 | 1997-02-26 | オークマ株式会社 | Motor rotor |
| JPH089599A (en) * | 1994-06-17 | 1996-01-12 | Yaskawa Electric Corp | Permanent magnet type rotor |
| JP2005295722A (en) * | 2004-04-01 | 2005-10-20 | Seiko Precision Inc | Rotor and motor with this rotor |
| JP4474547B2 (en) * | 2005-02-07 | 2010-06-09 | 国立大学法人 大分大学 | Permanent magnet movable electric machine |
| CN201975884U (en) * | 2011-04-28 | 2011-09-14 | 中国江南航天工业集团林泉电机厂 | Permanent magnet rotor with nonmagnetic isolation sleeve |
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Granted publication date: 20141210 Termination date: 20170428 |