CN102222996A - A permanent magnet motor rotor used in compressor - Google Patents
A permanent magnet motor rotor used in compressor Download PDFInfo
- Publication number
- CN102222996A CN102222996A CN2010101466871A CN201010146687A CN102222996A CN 102222996 A CN102222996 A CN 102222996A CN 2010101466871 A CN2010101466871 A CN 2010101466871A CN 201010146687 A CN201010146687 A CN 201010146687A CN 102222996 A CN102222996 A CN 102222996A
- Authority
- CN
- China
- Prior art keywords
- magnet
- groove
- permanent magnet
- wings
- machine rotor
- Prior art date
- 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.)
- Pending
Links
- 230000004907 flux Effects 0.000 claims description 22
- 238000004080 punching Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Images
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention relates to a permanent magnet motor rotor used in a compressor. The rotor is provided with a plurality of magnet grooves. A plurality of magnetic beam arrangement grooves are provided above the magnet grooves. The magnet grooves take a V shape. Magnets with same magnetic poles are provided in a same magnet groove. Magnets with opposite magnetic poles are provided in adjacent magnet grooves. A groove is provided at the external diameter of the rotor between adjacent magnetic poles. Magnetic bridges are provided between the grooves and the magnet grooves. Compared with the prior art, the invention has advantages such as reducing magnetic leakage, improving efficiency and the like.
Description
Technical field
The present invention relates to a kind of rotor, especially relate to a kind of compressor permanent magnet machine rotor.
Background technology
In magneto, the magnetic field interaction that magnetic field that stator produces and rotor produce, thus make rotor rotation.How making full use of the magnetic field that rotor produces, reduce leakage field, raise the efficiency, is the direction that magneto need be studied.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of compressor permanent magnet machine rotor that reduces magnetic leakage, raises the efficiency for the defective that overcomes above-mentioned prior art existence.
Purpose of the present invention can be achieved through the following technical solutions: a kind of compressor permanent magnet machine rotor, it is characterized in that, offer a plurality of magnet grooves on this rotor, magnet groove top offers a plurality of flux arrangement grooves, described magnet groove is V-shaped, is provided with the identical magnet of magnetic pole in the same magnet groove, is provided with the opposite magnet of magnetic pole in the adjacent magnets groove, rotor diameter place between the adjacent pole is provided with groove, is provided with every magnetic bridge between this groove and the magnet groove.
The polar arc of described rotor is 58 °～64 °.
Described width every magnetic bridge is 0.1～0.5: 1 with the magnet thickness ratio.
The wide of described magnet groove is made up of one section straight line and one section circular arc, and the length of straight line is 1: 4～8 with the width ratio of magnet groove.
Described magnet groove is V-shaped, and its both wings are provided with the identical magnet of magnetic pole, and both wings are connected, and the junction is provided with projection two blocks of magnet about living, and makes them can't move left and right.
Described projection has one or upper and lower settings two, and the projection cross section is circular-arc, square or triangle.
Described magnet groove is V-shaped, and its both wings are provided with the identical magnet of magnetic pole, and both wings are separate, is provided with dowel in the middle of the both wings, and the width of this dowel is 1: 4～5 with the width ratio of magnet groove.
Described magnet groove is provided with 2n, and n is 1～3 integer.
Described flux arrangement groove and magnet groove are perpendicular, and the flux arrangement groove of same magnetic pole top is provided with 2～6, and the width of flux arrangement groove is 1: 1～3 with the width ratio of magnet groove.
The present invention is by being provided with magnet groove, flux arrangement groove, groove, overcoming leakage field and the flux problem of non-uniform that compressor exists with magneto in the prior art every magnetic bridge etc. on the rotor, thereby the utilance that improves permanent magnet improves electric efficiency.
Description of drawings
Fig. 1 is the structural representation of rotor of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a kind of compressor permanent magnet machine rotor, offer four V-arrangement magnet grooves 2 on this rotor 1, magnet groove 2 tops offer flux arrangement groove 3, be provided with the identical magnet of magnetic pole in the same magnet groove 2, be provided with the opposite magnet of magnetic pole in the adjacent magnets groove 2, be that rotor diameter place between the n utmost point and the s utmost point is provided with groove 4 between the adjacent pole, be provided with every magnetic bridge 5 between this groove 4 and the magnet groove 2, in order to reduce leakage field, the smaller the better every magnetic bridge 5 width, but every magnetic bridge 5 too narrow mechanical strength not enough, after taking all factors into consideration mechanical strength and leakage field, width and permanent magnet thickness ratio every magnetic bridge are between 0.1～0.5, the wide of magnet groove 2 is made up of one section straight line and one section circular arc, the length of straight line is 1: 4～8 with the width ratio of magnet groove 2, V-arrangement magnet groove 2 both wings are provided with the identical magnet of magnetic pole, both wings are connected, the junction is provided with roundlet arc-shaped protrusions two blocks of magnet about living, make them can't move left and right, described flux arrangement groove 3 is perpendicular with magnet groove 2, and the flux arrangement groove 3 of same magnetic pole top is provided with five, and the width of flux arrangement groove 3 is 1: 1～3 with the width ratio of magnet groove 2.The polar arc of described rotor 1 is 58 °～64 °.
Embodiment 2
A kind of compressor permanent magnet machine rotor, offer two V-arrangement magnet grooves on this rotor, magnet groove top offers flux arrangement groove, be provided with the identical magnet of magnetic pole in the same magnet groove, be provided with the opposite magnet of magnetic pole in the adjacent magnets groove, be that rotor diameter place between the n utmost point and the s utmost point is provided with groove between the adjacent pole, be provided with every magnetic bridge between this groove and the magnet groove, in order to reduce leakage field, the smaller the better every the magnetic bridge width, but every magnetic bridge too narrow mechanical strength not enough, after taking all factors into consideration mechanical strength and leakage field, width and permanent magnet thickness ratio every magnetic bridge are between 0.1～0.5, and the wide of magnet groove is made up of one section straight line and one section circular arc, and the length of straight line is 1: 4～8 with the width ratio of magnet groove, V-arrangement magnet groove both wings are provided with the identical magnet of magnetic pole, both wings are separate, are provided with dowel in the middle of the both wings, and the width of this dowel is 1: 4～5 with the width ratio of magnet groove.Described flux arrangement groove and magnet groove are perpendicular, and the flux arrangement groove of same magnetic pole top is provided with six, and the width of flux arrangement groove is 1: 1～3 with the width ratio of magnet groove.The polar arc of described rotor is 58 °～64 °.
A kind of compressor permanent magnet machine rotor, offer six V-arrangement magnet grooves on this rotor, magnet groove top offers flux arrangement groove, be provided with the identical magnet of magnetic pole in the same magnet groove, be provided with the opposite magnet of magnetic pole in the adjacent magnets groove, be that rotor diameter place between the n utmost point and the s utmost point is provided with groove between the adjacent pole, be provided with every magnetic bridge between this groove and the magnet groove, in order to reduce leakage field, the smaller the better every the magnetic bridge width, but every magnetic bridge too narrow mechanical strength not enough, take all factors into consideration mechanical strength and leakage field after, width and permanent magnet thickness ratio every magnetic bridge are between 0.1～0.5, the wide of magnet groove is made up of one section straight line and one section circular arc, and the length of straight line is 1: 4～8 with the width ratio of magnet groove, and V-arrangement magnet groove both wings are provided with the identical magnet of magnetic pole, both wings can UNICOM also can be separate, if the V-arrangement magnet groove that rotor adopts both wings to link helps the raising of performance but rotor strength is lower, if rotor adopts the separate V-arrangement magnet groove of both wings, rotor strength is higher, but influential to performance.In order to take into account performance and intensity, can be in same rotor by punching press both wings alternately link rotor punching and the rotor punching of the separate V-arrangement magnet of both wings groove or the rotor punching that these two kinds of shapes are adopted in segmentation of V-arrangement magnet groove.
Wherein the junction of the V-arrangement magnet groove that is connected of both wings is provided with square or denation (can be that circular arc also can be square or triangle, can be two projections about a projection also can be) two blocks of magnet about living, make them can't move left and right, the separate V-arrangement magnet groove centre of both wings is provided with dowel, and the width of this dowel is 1: 4～5 with the width ratio of magnet groove.Described flux arrangement groove and magnet groove are perpendicular, and the flux arrangement groove of same magnetic pole top is provided with two, and the width of flux arrangement groove is 1: 1～3 with the width ratio of magnet groove.The polar arc of described rotor is 58 °～64 °.
Claims (9)
1. compressor permanent magnet machine rotor, it is characterized in that, offer a plurality of magnet grooves on this rotor, magnet groove top offers a plurality of flux arrangement grooves, described magnet groove is V-shaped, is provided with the identical magnet of magnetic pole in the same magnet groove, is provided with the opposite magnet of magnetic pole in the adjacent magnets groove, rotor diameter place between the adjacent pole is provided with groove, is provided with every magnetic bridge between this groove and the magnet groove.
2. a kind of compressor permanent magnet machine rotor according to claim 1 is characterized in that, the polar arc of described rotor is 58 °～64 °.
3. according to claim 1～kind of compressor permanent magnet machine rotor, it is characterized in that described width every magnetic bridge is 0.1～0.5: 1 with the magnet thickness ratio.
4. a kind of compressor permanent magnet machine rotor according to claim 1 is characterized in that, the wide of described magnet groove is made up of one section straight line and one section circular arc, and the length of straight line is 1: 4～8 with the width ratio of magnet groove.
5. a kind of compressor permanent magnet machine rotor according to claim 1 is characterized in that described magnet groove is V-shaped, its both wings are provided with the identical magnet of magnetic pole, both wings are connected, and the junction is provided with projection two blocks of magnet about living, and make them can't move left and right.
6. a kind of compressor permanent magnet machine rotor according to claim 5 is characterized in that, described projection has one or upper and lower settings two, and the projection cross section is circular-arc, square or triangle.
7. a kind of compressor permanent magnet machine rotor according to claim 1 is characterized in that described magnet groove is V-shaped, its both wings are provided with the identical magnet of magnetic pole, both wings are separate, are provided with dowel in the middle of the both wings, and the width of this dowel is 1: 4～5 with the width ratio of magnet groove.
8. a kind of compressor permanent magnet machine rotor according to claim 1 is characterized in that, described magnet groove is provided with 2n, and n is 1～3 integer.
9. a kind of compressor permanent magnet machine rotor according to claim 1, it is characterized in that, described flux arrangement groove and magnet groove are perpendicular, and the flux arrangement groove of same magnetic pole top is provided with 2～6, and the width of flux arrangement groove is 1: 1～3 with the width ratio of magnet groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101466871A CN102222996A (en) | 2010-04-14 | 2010-04-14 | A permanent magnet motor rotor used in compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101466871A CN102222996A (en) | 2010-04-14 | 2010-04-14 | A permanent magnet motor rotor used in compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102222996A true CN102222996A (en) | 2011-10-19 |
Family
ID=44779453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101466871A Pending CN102222996A (en) | 2010-04-14 | 2010-04-14 | A permanent magnet motor rotor used in compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102222996A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701237A (en) * | 2013-12-17 | 2014-04-02 | 山东华力电机集团股份有限公司 | Rotor punching sheet for inner rotor permanent magnet motor |
| CN104868664A (en) * | 2014-02-24 | 2015-08-26 | 株式会社三井高科技 | Method of punching core piece and stacked core |
| CN112701823A (en) * | 2020-12-02 | 2021-04-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor core, motor and air conditioning unit |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004048912A (en) * | 2002-07-12 | 2004-02-12 | Hitachi Industrial Equipment Systems Co Ltd | Permanent magnet type rotating electric machine and compressor using the same |
| CN1855668A (en) * | 2005-04-14 | 2006-11-01 | 株式会社丰田自动织机 | Rotating electric machine with embedded permanent magnets, motor for vehicle air conditioner and close-type electric compressor |
| JP2007020350A (en) * | 2005-07-11 | 2007-01-25 | Matsushita Electric Ind Co Ltd | Magnets-embedded type motor |
| JP2007068318A (en) * | 2005-08-31 | 2007-03-15 | Matsushita Electric Ind Co Ltd | Magnet embedded type motor |
| CN101110528A (en) * | 2006-07-20 | 2008-01-23 | 株式会社日立产机系统 | Permanent magnet rotating electrical machine and compressor using it |
| US20080030094A1 (en) * | 2006-08-04 | 2008-02-07 | Remy International, Inc. | Dynamoelectric machine rotor and method for reducing torque ripple |
| CN201094147Y (en) * | 2007-10-31 | 2008-07-30 | 瑞智精密股份有限公司 | Improved structure of permanent magnet motor |
| CN101330231A (en) * | 2007-06-19 | 2008-12-24 | 上海海立（集团）股份有限公司 | Permanent magnet motor stator and rotor for compressor |
| CN201252459Y (en) * | 2008-07-23 | 2009-06-03 | 广东美芝制冷设备有限公司 | Asynchronous starting permanent magnet synchronous motor |
| JP2009225519A (en) * | 2008-03-14 | 2009-10-01 | Panasonic Corp | Permanent magnet-embedded motor |
-
2010
- 2010-04-14 CN CN2010101466871A patent/CN102222996A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004048912A (en) * | 2002-07-12 | 2004-02-12 | Hitachi Industrial Equipment Systems Co Ltd | Permanent magnet type rotating electric machine and compressor using the same |
| CN1855668A (en) * | 2005-04-14 | 2006-11-01 | 株式会社丰田自动织机 | Rotating electric machine with embedded permanent magnets, motor for vehicle air conditioner and close-type electric compressor |
| JP2007020350A (en) * | 2005-07-11 | 2007-01-25 | Matsushita Electric Ind Co Ltd | Magnets-embedded type motor |
| JP2007068318A (en) * | 2005-08-31 | 2007-03-15 | Matsushita Electric Ind Co Ltd | Magnet embedded type motor |
| CN101110528A (en) * | 2006-07-20 | 2008-01-23 | 株式会社日立产机系统 | Permanent magnet rotating electrical machine and compressor using it |
| US20080030094A1 (en) * | 2006-08-04 | 2008-02-07 | Remy International, Inc. | Dynamoelectric machine rotor and method for reducing torque ripple |
| CN101330231A (en) * | 2007-06-19 | 2008-12-24 | 上海海立（集团）股份有限公司 | Permanent magnet motor stator and rotor for compressor |
| CN201094147Y (en) * | 2007-10-31 | 2008-07-30 | 瑞智精密股份有限公司 | Improved structure of permanent magnet motor |
| JP2009225519A (en) * | 2008-03-14 | 2009-10-01 | Panasonic Corp | Permanent magnet-embedded motor |
| CN201252459Y (en) * | 2008-07-23 | 2009-06-03 | 广东美芝制冷设备有限公司 | Asynchronous starting permanent magnet synchronous motor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701237A (en) * | 2013-12-17 | 2014-04-02 | 山东华力电机集团股份有限公司 | Rotor punching sheet for inner rotor permanent magnet motor |
| CN104868664A (en) * | 2014-02-24 | 2015-08-26 | 株式会社三井高科技 | Method of punching core piece and stacked core |
| CN104868664B (en) * | 2014-02-24 | 2017-08-01 | 株式会社三井高科技 | Sheet metal stamping method and stacked core |
| US9948153B2 (en) | 2014-02-24 | 2018-04-17 | Mitsui High-Tec, Inc. | Stacked core having a plurality of core pieces and a bridge portion |
| US10784732B2 (en) | 2014-02-24 | 2020-09-22 | Mitsui High-Tec, Inc. | Method of punching a core piece having a bridge |
| CN112701823A (en) * | 2020-12-02 | 2021-04-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor core, motor and air conditioning unit |
| CN112701823B (en) * | 2020-12-02 | 2022-03-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor core, motor and air conditioning unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202488240U (en) | Tangential rotor of rotary motor | |
| CN105186816A (en) | Stator and rotor combined structure | |
| CN104485762A (en) | Rotor of permanent magnet synchronous motor and permanent magnet synchronous motor provided with same | |
| CN103904852A (en) | Novel permanent magnetic structure outer rotor disc type motor | |
| CN105305756A (en) | Salient-pole halbach composite permanent magnet rotation motor | |
| CN105048671A (en) | Asymmetric V-shaped rotor punching sheet and built-in permanent-magnetic motor using the same | |
| CN102222995B (en) | A kind of permanent magnet motor stator rotor structure for compressor | |
| CN105743235A (en) | High-torque low-loss permanent magnet fault-tolerant motor | |
| CN205123536U (en) | Salient pole halbach composite permanet magnet rotating electrical machines | |
| CN104953728A (en) | Polygonal stator iron core and motor comprising polygonal stator iron core | |
| CN103618429A (en) | Permanent-magnet linear motor and motor module comprising same | |
| CN105305769B (en) | A kind of salient pole fluting permanent magnet array and linear motor | |
| CN204733060U (en) | A kind of wave power generation permanent magnet linear generator | |
| CN102545433A (en) | Tangential rotor for rotating motor | |
| CN205693465U (en) | A kind of permanent magnet machine rotor of high reluctance torque | |
| CN101789675A (en) | Secondary of cylindrical permanent-magnet linear motor | |
| CN202679099U (en) | Rotor of rare earth permanent magnet generator | |
| CN102222996A (en) | A permanent magnet motor rotor used in compressor | |
| CN205123554U (en) | Bilateral linear electric motor of high -efficient high thrust | |
| CN102761210B (en) | Composite permanent-magnet rotor for permanent-magnet motor and manufacturing method thereof | |
| CN206211697U (en) | A kind of rotor structure, permagnetic synchronous motor and compressor | |
| CN202513694U (en) | Permanent magnet motor | |
| CN204886616U (en) | Integrated configuration of stator and rotor | |
| CN202524195U (en) | Same-polarity type rotor of rotary motor | |
| CN206149044U (en) | A rotor structure of a permanent magnet synchronous motor and a permanent magnet synchronous motor based on it |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20111019 |