CN102222995A - Permanent magnet motor stator rotor structure for compressor - Google Patents
Permanent magnet motor stator rotor structure for compressor Download PDFInfo
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- CN102222995A CN102222995A CN201010146673XA CN201010146673A CN102222995A CN 102222995 A CN102222995 A CN 102222995A CN 201010146673X A CN201010146673X A CN 201010146673XA CN 201010146673 A CN201010146673 A CN 201010146673A CN 102222995 A CN102222995 A CN 102222995A
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- magnet
- groove
- motor stator
- rotor
- permanent magnet
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Abstract
The invention relates to a permanent magnet motor stator rotor structure for a compressor. The rotor is provided with a plurality of magnet grooves. A plurality of magnetic bundle finishing slots are arranged above the magnet grooves. The magnet grooves are in V shape. Magnets with a same pole are arranged in one magnet groove. And magnets with opposite poles are arranged in the adjacent magnet grooves. Grooves are arranged in rotor outer diameters which are between the adjacent poles. Magnetic separation bridges are arranged between the grooves and the magnet grooves. Compared to the prior art, using the structure of the invention can reduce magnetic leakage and raise efficiency.
Description
Technical field
The present invention relates to a kind of rotor, especially relate to a kind of compressor permanent magnet motor stator rotor structure.
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 that reduces magnetic leakage, raises the efficiency permanent magnet motor stator rotor structure 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 motor stator rotor structure, 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, 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, rotor diameter place between the adjacent pole is provided with groove, be provided with every magnetic bridge between this groove and the magnet groove, by adjusting the stator rabbet width, the stator rabbet height cooperates with the rotor recesses degree of depth, reduces magnetic leakage.
The described rotor recesses degree of depth is 1: 0.6～0.7 with the ratio of stator rabbet width, and the rotor recesses degree of depth is 1: 0.15～0.20 with the ratio of stator rabbet height.
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 motor stator rotor structure, 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, cooperate with rotor recesses 4 degree of depth by adjustment stator rabbet width 6, stator rabbet height 7, reduce magnetic leakage.Rotor recesses 4 degree of depth are 1: 0.6 with the ratio of stator rabbet width 6, and rotor recesses 4 degree of depth are 1: 0.15 with the ratio of stator rabbet height 7.
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 motor stator rotor structure, 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, being provided with the opposite magnet of magnetic pole in the adjacent magnets groove, is that the rotor diameter place between the n utmost point and the s utmost point is provided with groove between the adjacent pole, is provided with every magnetic bridge between this groove and the magnet groove, cooperate with the rotor recesses degree of depth by adjustment stator rabbet width, stator rabbet height, reduce magnetic leakage.The rotor recesses degree of depth is 1: 0.7 with the ratio of stator rabbet width, and the rotor recesses degree of depth is 1: 0.20 with the ratio of stator rabbet height.
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, the wide of magnet groove 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, V-arrangement magnet groove both wings are provided with the identical magnet of magnetic pole, both wings are separate, be provided with dowel in the middle of the both wings, 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 motor stator rotor structure, 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, being provided with the opposite magnet of magnetic pole in the adjacent magnets groove, is that the rotor diameter place between the n utmost point and the s utmost point is provided with groove between the adjacent pole, is provided with every magnetic bridge between this groove and the magnet groove, cooperate with the rotor recesses degree of depth by adjustment stator rabbet width, stator rabbet height, reduce magnetic leakage.The rotor recesses degree of depth is 1: 0.6～0.7 with the ratio of stator rabbet width, and the rotor recesses degree of depth is 1: 0.15～0.20 with the ratio of stator rabbet height.
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, the wide of magnet groove 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, 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, help 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 (10)
1. compressor permanent magnet motor stator rotor structure, 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, 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, rotor diameter place between the adjacent pole is provided with groove, be provided with every magnetic bridge between this groove and the magnet groove, cooperate with the rotor recesses degree of depth by adjustment stator rabbet width, stator rabbet height, reduce magnetic leakage.
2. a kind of compressor permanent magnet motor stator rotor structure according to claim 1, it is characterized in that, the described rotor recesses degree of depth is 1: 0.6～0.7 with the ratio of stator rabbet width, and the rotor recesses degree of depth is 1: 0.15～0.20 with the ratio of stator rabbet height.
3. a kind of compressor permanent magnet motor stator rotor structure according to claim 1 is characterized in that, the polar arc of described rotor is 58 °～64 °.
4. a kind of compressor permanent magnet motor stator rotor structure according to claim 1 is characterized in that, described width every magnetic bridge is 0.1～0.5: 1 with the magnet thickness ratio.
5. a kind of compressor permanent magnet motor stator rotor structure 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.
6. a kind of compressor permanent magnet motor stator rotor structure 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.
7. a kind of compressor permanent magnet motor stator rotor structure according to claim 6 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.
8. a kind of compressor permanent magnet motor stator rotor structure according to claim 1, it 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, be provided with dowel in the middle of the both wings, the width of this dowel is 1: 4～5 with the width ratio of magnet groove.
9. a kind of compressor permanent magnet motor stator rotor structure according to claim 1 is characterized in that, described magnet groove is provided with 2n, and n is 1～3 integer.
10. a kind of compressor permanent magnet motor stator rotor structure 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 |
|---|---|---|---|
| CN201010146673.XA CN102222995B (en) | 2010-04-14 | 2010-04-14 | A kind of permanent magnet motor stator rotor structure for compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010146673.XA CN102222995B (en) | 2010-04-14 | 2010-04-14 | A kind of permanent magnet motor stator rotor structure for compressor |
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| CN102222995A true CN102222995A (en) | 2011-10-19 |
| CN102222995B CN102222995B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010146673.XA Active CN102222995B (en) | 2010-04-14 | 2010-04-14 | A kind of permanent magnet motor stator rotor structure for compressor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014183408A1 (en) | 2013-05-13 | 2014-11-20 | Guangdong Welling Motor Manufacturing Co., Ltd. | Permanent magnet motor |
| CN105518975A (en) * | 2013-09-25 | 2016-04-20 | 三菱电机株式会社 | Electric motor with embedded permanent magnet, compressor, and refrigeration/air-conditioning device |
| CN105594099A (en) * | 2013-09-25 | 2016-05-18 | 三菱电机株式会社 | Embedded permanent magnet type electric motor, compressor, and refrigeration air-conditioning device |
| CN108847731A (en) * | 2018-07-16 | 2018-11-20 | 武汉理工通宇新源动力有限公司 | A kind of automobile permanent magnet synchronous motor rotor structure and vehicle |
| 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 |
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| JP2004048912A (en) * | 2002-07-12 | 2004-02-12 | Hitachi Industrial Equipment Systems Co Ltd | Permanent magnet type rotary electric machine and compressor using it |
| JP2005323498A (en) * | 2005-06-27 | 2005-11-17 | Hitachi Ltd | Permanent magnet type dynamo-electric machine |
| 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 |
| CN101110528A (en) * | 2006-07-20 | 2008-01-23 | 株式会社日立产机*** | Permanent magnet type electric rotary machine and compressor using the same |
| CN201094147Y (en) * | 2007-10-31 | 2008-07-30 | 瑞智精密股份有限公司 | Structure improvement of permanent-magnet electric 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 |
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2010
- 2010-04-14 CN CN201010146673.XA patent/CN102222995B/en active Active
Patent Citations (9)
| 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 rotary electric machine and compressor using it |
| 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 |
| JP2005323498A (en) * | 2005-06-27 | 2005-11-17 | Hitachi Ltd | Permanent magnet type dynamo-electric machine |
| JP2007020350A (en) * | 2005-07-11 | 2007-01-25 | Matsushita Electric Ind Co Ltd | Magnets-embedded type motor |
| CN101110528A (en) * | 2006-07-20 | 2008-01-23 | 株式会社日立产机*** | Permanent magnet type electric rotary machine and compressor using the same |
| 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 | Structure improvement of permanent-magnet electric 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 (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014183408A1 (en) | 2013-05-13 | 2014-11-20 | Guangdong Welling Motor Manufacturing Co., Ltd. | Permanent magnet motor |
| CN105518975A (en) * | 2013-09-25 | 2016-04-20 | 三菱电机株式会社 | Electric motor with embedded permanent magnet, compressor, and refrigeration/air-conditioning device |
| CN105594099A (en) * | 2013-09-25 | 2016-05-18 | 三菱电机株式会社 | Embedded permanent magnet type electric motor, compressor, and refrigeration air-conditioning device |
| CN105518975B (en) * | 2013-09-25 | 2017-11-24 | 三菱电机株式会社 | Permanent magnet buried formula motor, compressor and refrigerating air conditioning device |
| CN105594099B (en) * | 2013-09-25 | 2018-06-08 | 三菱电机株式会社 | Permanent magnet submerged motor, compressor and refrigerating air conditioning device |
| US10020699B2 (en) | 2013-09-25 | 2018-07-10 | Mitsubishi Electric Corporation | Embedded permanent magnet type electric motor, compressor, and refrigeration air-conditioning device |
| CN108847731A (en) * | 2018-07-16 | 2018-11-20 | 武汉理工通宇新源动力有限公司 | A kind of automobile permanent magnet synchronous motor rotor structure and vehicle |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102222995B (en) | 2015-11-25 |
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Address after: 201206 Shanghai China (Shanghai) free trade test area, Yun Qiao Road No. 1051 Patentee after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206 Jinqiao Road, Pudong Jinqiao Export Processing Zone, Shanghai, 1051 Patentee before: Rili Electric Appliance Co., Ltd., Shanghai |