CN2452198Y - Permasyn motor with high lock-in synchronism ability - Google Patents
Permasyn motor with high lock-in synchronism ability Download PDFInfo
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- CN2452198Y CN2452198Y CN 00252880 CN00252880U CN2452198Y CN 2452198 Y CN2452198 Y CN 2452198Y CN 00252880 CN00252880 CN 00252880 CN 00252880 U CN00252880 U CN 00252880U CN 2452198 Y CN2452198 Y CN 2452198Y
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Abstract
The utility model device relates to a permasyn motor with high lock-in synchronism ability, which comprises a machine base, and a stator and a rotor which are assembled in the machine base, wherein the rotor is composed of a rotary axle, an iron core, a permanent magnet and a squirrel-cage guide strip. The utility model is characterized in that the permanent magnet in radial distribution is embedded into a permanent magnet trough of the iron core of the rotor, the permanent magnet trough is arranged at the lower part of a rotor trough, and a magnetic-insulating magnetic bridge is arranged between the permanent magnet trough and the rotor through. The utility model has the advantages of compact structure, and reasonable layout of permanent magnet. The utility model is beneficial to the assembly and the prevention of the permanent magnet, and can notablely increase the utilization rate of permanent magnet material. The utility model also has the advantages of high power factor, efficiency, lock-in synchronism ability and power density.
Description
The utility model relates to a kind of rare earth permanent-magnet synchronization motor, particularly a kind of efficient height that can drag large rotating inertia mechanical load ability permanent magnet synchronous motor that pulls in.
The asynchronous starting rare-earth permanent-magnet synchronous motor is made up of the rotor that stator, permanent magnet and the mouse cage close with conventional induction motor constitute, compare advantage with induction motor outstanding, has obviously high power factor and efficient, the frequency of motor speed and power supply presents definite relation under the normal condition, can drag multiple electric motors with same synchronization operation by a power supply.When the moment of inertia of motor load was big, the power density of existing asynchronous starting permanent magnet synchronous motor was low, and in other words, under the power density of determining, the ability of pulling in of existing asynchronous starting permanent magnet synchronous motor is low.Therefore, improve the ability of pulling in of existing asynchronous starting permanent magnet synchronous motor, make it to have higher power density simultaneously, become key technical problem anxious to be solved.
The purpose of this utility model provides a kind of efficient high ability permanent magnet synchronous motor that pulls in.Its compact conformation, permanent magnet are rationally distributed, have both helped the assembling and the protection of permanent magnet, have significantly improved the permanent magnetic material utilance again, high power factor and efficient are not only arranged, and the ability of pulling in are strong, have high power density.
The purpose of this utility model is achieved in that this device comprises support and assembles its interior stator, the rotor that constitutes by rotating shaft, iron core, permanent magnet, mouse cage sliver, wherein radially-arranged permanent magnet embeds in the permanent magnet trough of rotor core, permanent magnet trough is positioned at the rotor below, has every the magnetic magnetic bridge between two grooves.
Because the utility model is improved on the basis of existing conventional asynchronous starting permanent magnet synchronous motor structure, so be easy to realize.This device adopts built-in radial formula rotor magnetic circuit structural, and permanent magnet is embedded in the permanent magnet trough in the rotor core regularly by polarity.This installs not only permanent magnet manufacturing, easy to assembly, technology is simple, and permanent magnet is rationally distributed, the utilance height of permanent magnetic material magnetic energy product, make when reducing the motor manufacturing cost, reached the purpose that improves electric efficiency, power factor and the ability of pulling in, reduces motor volume.In motor when operation,, because of permanent magnet is arranged in the permanent magnet trough of rotor core, the operational environment of permanent magnet improves greatly, and owing on the permanent magnet trough rotor bar is arranged, permanent magnet is installed firmly, rotor mechanical intensity height.In addition, because the rotor winding (rotor bar) of shielding action has been arranged between permanent magnet and the motor gas-gap, the permanent magnet in the motor is not easy loss of excitation.This device is compared with the existing magnetic structure of some associated motor both at home and abroad, does not need to adopt other special in magnetic measure (need adopt not magnetic conductive axis or adopt every the magnetic copper sheathing between permanent magnet and rotating shaft as some other motor) again.The utility model is provided with every the magnetic magnetic bridge between permanent magnet and mouse cage conductor slot, the magnetic leakage factor of motor can be controlled in the suitable scope, thereby make power factor, efficient, power density and the ability of pulling in of motor to be improved.For reaching optimum motor performance, answer the size of strict control every the magnetic magnetic bridge, make the motor flux leakage coefficient be confined to reasonable range, thereby reach the purpose that improves motor performance and make full use of the permanent magnetic material magnetic energy product.For every the magnetic magnetic bridge, its width w should be limited in 2～7mm, and length b should be limited in the scope of 1.0～1.4mm, and, when the thickness of permanent magnet trough not simultaneously, the structure at the circumferential two ends of permanent magnet trough also should adopt the form that adapts.
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is an I type rotor structure schematic diagram of the present utility model.
Fig. 2 is an I portion enlarged drawing among Fig. 1.
Fig. 3 is an II type rotor structure schematic diagram of the present utility model.
Fig. 4 is an II portion enlarged drawing among Fig. 3.
Describe concrete structure of the present utility model in detail according to Fig. 1～4.The basic structure of this device is except that rotor, and remainder is with the basic structure of existing asynchronous starting permanent magnet synchronous motor or conventional induction motor, as parts such as support, stators.Its rotor is made of rotating shaft 1, the iron core 2 that has permanent magnet trough 5, permanent magnet 3, mouse cage conductor 4 etc.Wherein the permanent magnet 3 preferential rare earth permanent-magnetic materials that adopt are made, and its specification, the visual concrete instructions for use of shape size determine that the shape of rotor conductor groove and size also should be looked concrete instructions for use and be determined.Unshakable in one's determination 2 permanent magnet trough is positioned at the below of mouse cage conductor slot, has every magnetic magnetic bridge 6 between two grooves.With 4 utmost point motors is example, and permanent magnet 3 is made rectangular shape, embeds successively in the permanent magnet trough 5 of iron core 2 along circumferential rule according to N-S-N-S.Preferentially in following numerical value, choose with the capacity motor difference every magnetic magnetic bridge size: every magnetic magnetic bridge width w=2～7mm, the scope of length b=1.0～1.4mm; When the thickness h m of permanent magnet trough 〉=2.4mm, be to improve rotor strength, II type structure is adopted at the circumferential two ends of permanent magnet trough, on the contrary the magnetic leakage factor for the restriction motor should adopt I type structure.
The utility model is applicable to 4, the 6 and 8 high ability of pulling in asynchronous starting rare-earth permanent-magnet synchronous motors.
The chemical fibre equipment that utilizes the technical solution of the utility model design is with the 180W sextupole high ability permanent magnet synchronous motor that pulls in, choose every magnetic magnetic bridge width w=2.5mm, length b=1.15mm, permanent magnet magnetizing direction length hm=2.5, employing I type structure.After this motor is made by the standard specification accessory, its every performance index with compare with the capacity permanent magnet synchronous motor, performance is significantly increased, and sees Table 1.
| Efficient (%) | Power factor | The pull-in torque multiple | |
| The utility model motor | 86.5 | 0.88 | 2.09 |
| FTY180-6 type motor | 77 | 0.78 | 0.5 |
Claims (2)
1, a kind of high ability of pulling in permanent magnet synchronous motor, comprise support and assemble its interior stator, the rotor that constitutes by rotating shaft, iron core, permanent magnet, mouse cage sliver, it is characterized in that radially-arranged permanent magnet embeds in the permanent magnet trough of rotor core, permanent magnet trough is positioned at the rotor below, has every the magnetic magnetic bridge between two grooves.
2, motor according to claim 1 is characterized in that every magnetic magnetic bridge width w=2～7mm, length b=1.0～1.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00252880 CN2452198Y (en) | 2000-11-16 | 2000-11-16 | Permasyn motor with high lock-in synchronism ability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00252880 CN2452198Y (en) | 2000-11-16 | 2000-11-16 | Permasyn motor with high lock-in synchronism ability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2452198Y true CN2452198Y (en) | 2001-10-03 |
Family
ID=33610441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00252880 Expired - Fee Related CN2452198Y (en) | 2000-11-16 | 2000-11-16 | Permasyn motor with high lock-in synchronism ability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2452198Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005883A (en) * | 2010-11-15 | 2011-04-06 | 江门市瑞荣泵业有限公司 | Self-control permanent magnet synchronous motor of well submersible pump |
| CN101465586B (en) * | 2007-12-21 | 2011-08-03 | 日立空调·家用电器株式会社 | Self-starting type permanent magnet synchronous motor and a compressor using the same |
| CN101719698B (en) * | 2009-12-25 | 2012-05-23 | 东元总合科技（杭州）有限公司 | Permanent-magnet self-starting synchronous motor |
| CN103296803A (en) * | 2012-02-22 | 2013-09-11 | 上海电机系统节能工程技术研究中心有限公司 | Rotor structure of permanent-magnet synchronous motor for spinning frame |
| CN103337922A (en) * | 2013-06-27 | 2013-10-02 | 信质电机股份有限公司 | Rotor structure for synchronous motor and asynchronous-startup permanent-magnet synchronous motor with rotor structure |
| CN105429410A (en) * | 2014-09-19 | 2016-03-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent magnet synchronous motor |
| CN107769504A (en) * | 2017-11-06 | 2018-03-06 | 江苏大学 | A kind of bearing-free permanent magnet synchronous motor of asynchronous starting |
-
2000
- 2000-11-16 CN CN 00252880 patent/CN2452198Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465586B (en) * | 2007-12-21 | 2011-08-03 | 日立空调·家用电器株式会社 | Self-starting type permanent magnet synchronous motor and a compressor using the same |
| CN101719698B (en) * | 2009-12-25 | 2012-05-23 | 东元总合科技（杭州）有限公司 | Permanent-magnet self-starting synchronous motor |
| CN102005883A (en) * | 2010-11-15 | 2011-04-06 | 江门市瑞荣泵业有限公司 | Self-control permanent magnet synchronous motor of well submersible pump |
| CN103296803A (en) * | 2012-02-22 | 2013-09-11 | 上海电机系统节能工程技术研究中心有限公司 | Rotor structure of permanent-magnet synchronous motor for spinning frame |
| CN103337922A (en) * | 2013-06-27 | 2013-10-02 | 信质电机股份有限公司 | Rotor structure for synchronous motor and asynchronous-startup permanent-magnet synchronous motor with rotor structure |
| CN105429410A (en) * | 2014-09-19 | 2016-03-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent magnet synchronous motor |
| CN107769504A (en) * | 2017-11-06 | 2018-03-06 | 江苏大学 | A kind of bearing-free permanent magnet synchronous motor of asynchronous starting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |