CN202178627U - Rotor punching sheet of high speed permanent magnet motor - Google Patents
Rotor punching sheet of high speed permanent magnet motor Download PDFInfo
- Publication number
- CN202178627U CN202178627U CN2011202895319U CN201120289531U CN202178627U CN 202178627 U CN202178627 U CN 202178627U CN 2011202895319 U CN2011202895319 U CN 2011202895319U CN 201120289531 U CN201120289531 U CN 201120289531U CN 202178627 U CN202178627 U CN 202178627U
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- China
- Prior art keywords
- punching sheet
- ventilation
- magnet steel
- magnetic
- symmetry
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- 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.)
- Expired - Fee Related
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- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model relates to a rotor punching sheet of a high speed permanent magnet motor. The rotor punching sheet includes a punching sheet body, a plurality of magnetic steel slot units which are used to arrange magnetic steels, a plurality of ventilation slot units, and a plurality of positioning key slots. A magnetic bridge is arranged between two neighboring magnetic steel slot units. The periphery of six magnetic steel slot units is uniformly arranged on the outside of the punching sheet body. Each magnetic steel slot unit includes three magnetic steel slots which are connected in series in order to form an arc shape and are arranged in symmetry. The periphery of the six ventilation slot units is uniformly arranged on the inside of the punching sheet body, and each ventilation slot unit includes two ventilation holes which are arranged in symmetry. A symmetric axis of the two ventilation holes coincides with the symmetric axis of the three magnetic steel slots. The periphery of three positioning slots which are uniformly distributed in periphery is uniformly arranged on an edge of a central hole of the punching sheet body. The punching sheet solves the technical problems of magnetic steel waste and local stress concentration of the rotor punching sheet which are easy to happen in the rotor punching sheet of a conventional permanent magnet motor. The rotor punching sheet enables the magnetic field distribution to tend to perfect, and reduces the magnetic resistance to the fullest extent, so the motor has a low temperature rise, and the efficiency is high.
Description
Technical field
The utility model relates to a kind of permanent magnet machine rotor punching, relates in particular to the punching of a kind of high-speed permanent magnetic wind power generator rotor.
Background technology
The rotor punching of magneto design at present mainly is that the mode of simply arranging from magnet steel is considered magnetic circuit and the punching design carried out, easy like this waste and the rotor punching local stress concentration that causes magnet steel.
The utility model is not only considered the arrangement mode of magnet steel, carries out magnetic Circuit Design from the force structure and the ventilation and heat aspect of punching especially, has improved the utilance of magnet steel greatly, has effectively reduced the temperature rise of motor simultaneously.
Summary of the invention
For the rotor punching that solves existing magneto causes the waste of magnet steel and the technical problem of rotor punching local stress concentration easily, the utility model provides a kind of rotor punching of high-speed permanent magnet motor.
The technical solution of the utility model is:
A kind of rotor punching of high-speed permanent magnet motor; (the flakelet one by one that punching is meant; A plurality of punchings stack and constitute the rotor core assembly; Refill upper magnetic steel and constitute rotor assembly, add part formation rotors such as armature spindle) comprise punching body, a plurality of magnet steel groove unit, a plurality of ventilation slots unit and a plurality of positioning spline that is used to place magnet steel, be provided with magnetic bridge between the said adjacent in twos magnet steel groove unit; Its special character is: the quantity of said magnet steel groove unit is 6, the outside of circumference uniform distribution on the punching body, said 6 magnet steel groove unit, and said each magnet steel groove unit comprises that three are concatenated into arc and symmetrically arranged magnet steel groove successively;
The quantity of said ventilation slot unit is 6; The inboard of circumference uniform distribution on the punching body, said 6 ventilation slot unit; Said each ventilation slot unit comprises two symmetrically arranged ventilation holes, and the axis of symmetry of said two ventilation holes overlaps with the axis of symmetry of three magnet steel grooves;
The quantity of said positioning spline is 3, and the positioning spline circumference uniform distribution of said 3 circumference uniform distributions is at punching body centre bore edge, and the axis of symmetry of said positioning spline overlaps with the axis of symmetry of ventilation hole.
The shape of above-mentioned ventilation hole is comprehensively confirmed according to following principle:
Magnetic circuit between two ventilation holes of same ventilation slot unit is wide; Magnetic circuit between two adjacent ventilation holes of adjacent ventilation slot unit is wide.
The advantage of the utility model is:
1, the utility model has well reached the purpose of positioning magnetic steel magnetic pole through the keyway of special distribution, and is extremely all outside like the magnet steel S at keyway center line place.
2, the utility model makes Distribution of Magnetic Field be tending towards perfect through the design of maximum perimeter shape ventilation hole, reduces magnetic resistance to greatest extent, makes motor hang down temperature rise, and is high-effect.
3, the utility model reduces the leakage field between the two adjacent groups magnet steel unit through special magnetic bridge partial design, has improved the utilance of magnet steel.
4, the utility model adopts the application of the material of the high trade mark, has reduced the loss value of magnet steel surface formation eddy current especially, has improved the efficient of product.
5, the utility model has carried out optimal design according to the actual conditions of magnetic circuit and the wind path chip architecture that liquidates, and has improved the utilance of magnet steel, has increased the efficiently radiates heat area, has reduced the temperature rise of motor, in motor of the same race, can obtain excellent performance.
Description of drawings
Fig. 1 is the structural representation of the rotor punching of the utility model;
Wherein Reference numeral is: 1-keyway, 2-ventilation hole, 3-magnet steel groove, 4-magnetic bridge.
Embodiment
As shown in Figure 1; A kind of rotor punching of high-speed permanent magnet motor (flakelet one by one that punching is meant; A plurality of punchings stack and constitute the rotor core assembly, refill upper magnetic steel and constitute rotor assembly, add part formation rotors such as armature spindle); Comprise punching body, a plurality of magnet steel groove unit, a plurality of ventilation slots unit and a plurality of positioning spline that is used to place magnet steel, be provided with magnetic bridge between the said adjacent in twos magnet steel groove unit; The quantity of said magnet steel groove unit is 6, the outside of circumference uniform distribution on the punching body, said 6 magnet steel groove unit, and said each magnet steel groove unit comprises that three are concatenated into arc and symmetrically arranged magnet steel groove successively; The quantity of ventilation slot unit is 6; The inboard of circumference uniform distribution on the punching body, said 6 ventilation slot unit; Said each ventilation slot unit comprises two symmetrically arranged ventilation holes, and the axis of symmetry of said two ventilation holes overlaps with the axis of symmetry of three magnet steel grooves; The quantity of positioning spline is 3, and the positioning spline circumference uniform distribution of said 3 circumference uniform distributions is at punching body centre bore edge, and the axis of symmetry of said positioning spline overlaps with the axis of symmetry of ventilation hole.
The shape of ventilation hole is comprehensively confirmed according to following principle:
Magnetic circuit between two ventilation holes of same ventilation slot unit is wide; Magnetic circuit between two adjacent ventilation holes of adjacent ventilation slot unit is wide.
A kind of permanent-magnetic wind driven generator rotor punching device comprises keyway 1; Ventilation hole 2; Magnet steel groove 3 parts; Magnetic bridge 4, the silicon steel material part is characterized in that last 3 the equally distributed keyway parts of circle in institute's punching.Product device comprises that also the line of symmetry of 6 pairs of equally distributed ventilation slot 2 keyways and the line of symmetry of ventilation slot overlap.The rotor punching device also wraps 6 groups of special magnet steel grooves 3, and the line of symmetry of every group of magnet steel groove overlaps with the line of symmetry of every pair of ventilation slotted eye.There is the coupling part centre of magnet steel groove 3, and the slotted eye both sides have and are the special magnetic bridge of arcuation, and the line of symmetry angle of the line of symmetry at its place and magnet steel slotted eye is 30 °.
Material is high trade mark low-loss silicon steel sheet, can effectively reduce the eddy current loss on magnet steel surface.A kind of permanent-magnetic wind driven generator rotor punching device, ventilation hole, magnet steel groove 3 and the magnetic bridge 4 common magnetic flux paths that constitute efficient low magnetic resistance, and the ventilation slot hole shape of maximum perimeter designs and increases area of dissipation.Device also comprises keyway 1, can better locate the assembling of punching and sign magnet steel magnetic pole through the keyway that is uniformly distributed with.
Claims (2)
1. the rotor punching of a high-speed permanent magnet motor comprises punching body, a plurality of magnet steel groove unit, a plurality of ventilation slots unit and a plurality of positioning spline that is used to place magnet steel, is provided with magnetic bridge between the said adjacent in twos magnet steel groove unit; It is characterized in that:
The quantity of said magnet steel groove unit is 6, the outside of circumference uniform distribution on the punching body, said 6 magnet steel groove unit, and said each magnet steel groove unit comprises that three are concatenated into arc and symmetrically arranged magnet steel groove successively;
The quantity of said ventilation slot unit is 6; The inboard of circumference uniform distribution on the punching body, said 6 ventilation slot unit; Said each ventilation slot unit comprises two symmetrically arranged ventilation holes, and the axis of symmetry of said two ventilation holes overlaps with the axis of symmetry of three magnet steel grooves;
The quantity of said positioning spline is 3, and the positioning spline circumference uniform distribution of said 3 circumference uniform distributions is at punching body centre bore edge, and the axis of symmetry of said positioning spline overlaps with the axis of symmetry of ventilation hole.
2. the rotor punching of high-speed permanent magnet motor according to claim 1 is characterized in that: the shape of said ventilation hole is comprehensively confirmed according to following principle:
Magnetic circuit between two ventilation holes of same ventilation slot unit is wide; Magnetic circuit between two adjacent ventilation holes of adjacent ventilation slot unit is wide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202895319U CN202178627U (en) | 2011-08-10 | 2011-08-10 | Rotor punching sheet of high speed permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202895319U CN202178627U (en) | 2011-08-10 | 2011-08-10 | Rotor punching sheet of high speed permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202178627U true CN202178627U (en) | 2012-03-28 |
Family
ID=45868491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202895319U Expired - Fee Related CN202178627U (en) | 2011-08-10 | 2011-08-10 | Rotor punching sheet of high speed permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202178627U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820721A (en) * | 2012-08-22 | 2012-12-12 | 哈尔滨电机厂有限责任公司 | High-speed permanent magnetic wind driven generator rotor sheet |
| CN107394920A (en) * | 2017-08-01 | 2017-11-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor and motor |
| WO2023137862A1 (en) * | 2022-01-19 | 2023-07-27 | 安徽威灵汽车部件有限公司 | Rotor punching sheet, rotor, motor, pump, and vehicle |
-
2011
- 2011-08-10 CN CN2011202895319U patent/CN202178627U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820721A (en) * | 2012-08-22 | 2012-12-12 | 哈尔滨电机厂有限责任公司 | High-speed permanent magnetic wind driven generator rotor sheet |
| CN107394920A (en) * | 2017-08-01 | 2017-11-24 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor and motor |
| WO2023137862A1 (en) * | 2022-01-19 | 2023-07-27 | 安徽威灵汽车部件有限公司 | Rotor punching sheet, rotor, motor, pump, and vehicle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20170810 |