CN202309453U - Permanent magnet synchronous high-efficiency motor - Google Patents
Permanent magnet synchronous high-efficiency motor Download PDFInfo
- Publication number
- CN202309453U CN202309453U CN2011204412318U CN201120441231U CN202309453U CN 202309453 U CN202309453 U CN 202309453U CN 2011204412318 U CN2011204412318 U CN 2011204412318U CN 201120441231 U CN201120441231 U CN 201120441231U CN 202309453 U CN202309453 U CN 202309453U
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- magnet synchronous
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- synchronous high
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Abstract
The utility model relates to a permanent magnet synchronous high-efficiency motor, which comprises a shell, a stator core and a rotor core, wherein the stator core is fixedly connected to the shell; the rotor core is assembled on the shell in a rotating way; the stator core and the rotor core are provided with 54 stator slots and 48 rotor slots respectively; stator windings are connected in the way that two paths are connected in parallel through a Y type connection method; the pitch is 1-7; the length of the stator core is 200 mm; two coil layers are wound in each stator slot; each coil layer comprises 10 turns of coil; and each turn of coil is formed by winding four wires with diameter of 1.3 mm in parallel. The utility model provides the TYX225M-8_22Kw type permanent magnet synchronous high-efficiency motor with higher working efficiency.
Description
Technical field
The utility model relates to machine field, and relating in particular to a kind of specification is the permanent-magnet synchronous high efficiency motor of TYX225M-8_22Kw type.
Background technology
High efficiency motor is meant that universal standard type motor has high efficiency motor.High efficiency motor is to take measures from design, material and technology, for example adopts means such as rational stator and rotor groove number, fan parameter and winding mode to reduce the loss of motor, thereby improves the operating efficiency of motor.Along with China joined WTO, the great competition pressure and the challenge of the international community that China's electromechanics trade is faced increasingly sharpen, and the efficient that how can further improve high efficiency motor is a problem demanding prompt solution.
China's industrial energy consumption accounts for 70% of total energy consumption at present, and wherein energy consumption of electrical machinery accounts for 60% ~ 70% of industrial energy consumption, adds non-industrial motor energy consumption, and the motor actual consumption accounts for more than 50% of total energy consumption.And the energy-saving efficient motor application percentage is low at present.According to the sample investigation of country medium and small motor quality supervision and inspection center to 198 motors of domestic key enterprise, the energy-saving efficient motor ratio that wherein reaches more than 2 grades has only 8%.This has produced great waste to entire society's resource.Yet what how can realize motor further efficiently is a bigger technical barrier; Because each item technical parameter all exists collaborative each other effect in the motor; Not to say that arbitrarily changing a parameter just can realize the efficient of motor; But need cooperatively interacting of all Rational Parameters could realize the further efficient of motor, and how can make the parameter in the motor more reasonable, the power loss in the motor between each parts is lower; Efficiency of motor is higher, and this just need pay more creative work through very big human and material resources and could realize.
Existing TYX225M-8_22Kw type permanent-magnet synchronous high efficiency motor comprises the rotor core that rotates assembling on the stator core that is connected on housing, the housing and the housing; Have stator slot on the stator core; Have rotor in the rotor core; The technical data of wherein corresponding iron core and winding has, and the number of stator slot is 54, and the number of rotor is 48; The stator winding connected mode is: two-way parallel connection, wye connection; Double-deck lap wound, winding pitch, 1 ~ 7.But the efficient of this TYX225M-8_22Kw type permanent-magnet synchronous high efficiency motor has only 91.5%, and the stator conductor electric current reaches 40.5A, remains further to be improved.
Summary of the invention
The purpose of the utility model is the TYX225M-8_22Kw type permanent-magnet synchronous high efficiency motor that provides a kind of operating efficiency higher.
In order to address the above problem, the technical scheme of the utility model is:
A kind of permanent-magnet synchronous high efficiency motor; Comprise the rotor core that rotates assembling on the stator core that is connected on housing, the housing and the housing; Offer stator slot and rotor on stator core and the rotor core respectively, the number of wherein said stator slot is 54, and the number of rotor is 48; The stator winding connected mode is: two-way parallel connection, wye connection; Pitch: 1 ~ 7; The length of stator core is 200mm; All be wound with two coil layer in described each stator slot, each coil layer includes 10 circle coils; Lead and winding that each circle coil is 1.3mm by four diameters become.
Gas length between said stator core and rotor core is 0.5mm.
Described stator core and rotor core are formed by a plurality of DR510-50,50WW600 or 50WW470 silicon steel sheet.
Described rotor core is made up of a plurality of N38SH type permanent magnets.
The beneficial effect of the utility model is: the utility model has reduced the power loss between each parts of motor through rational more stator core length and winding conducting wire diameter, has improved efficiency of motor.Verified; Can reach 96.24% through the operating efficiency of adjusted TYX225M-8_22Kw type permanent-magnet synchronous high efficiency motor is verified; The stator conductor electric current is reduced to 35.21A, has improved the operating efficiency of existing TYX225M-8_22Kw type permanent-magnet synchronous high-efficiency electric motor greatly.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
A kind of embodiment of permanent-magnet synchronous high efficiency motor is as shown in Figure 1: comprise the rotor core 3 that rotates assembling on the stator core 1 that is connected on housing (not shown), the housing and the housing; Stator core 1 is formed by stacking the axial stratiform of a plurality of DR510-50 (or 50WW600 or 50WW470) silicon steel sheet along rotor core 3, and rotor core 3 is formed by stacking a plurality of N38SH type permanent magnet stratiforms.Offer stator slot 2 and rotor 4 on stator core 1 and the rotor core 3 respectively, the number of wherein said stator slot 2 is 54, and the number of rotor 4 is 48; The stator winding connected mode is: two-way parallel connection, wye connection (belonging to prior art); Pitch: 1 ~ 7; The length of stator core 1 is 200mm; All be wound with two coil layer in described each stator slot 2, each coil layer includes 10 circle coils; Lead and winding that each circle coil is 1.3mm by four diameters become; The gas length that said stator core 1 and rotor core are 3 is 0.5mm.The silicon steel sheet that in other embodiment of the utility model, constitutes stator core 1 and rotor core 3 can also adopt performance than the better silicon steel sheet of DR510-50 (or 50WW600 or 50WW470) type, such as DR450 or DR420.
To this TYX225M-8_22Kw type permanent-magnet synchronous high-efficiency electric motor test the time, when fictitious load is complete year 280N.m, to compare with original motor, the stator conductor electric current is reduced to 35.21A, and operating efficiency is increased to 96.24%, and power factor is 0.9806.
When fictitious load for complete carry 80% when being 224N.m, compare with original motor, the stator conductor electric current is reduced to 27.79A, operating efficiency is increased to 96.30%, power factor is 0.9842.
When fictitious load for complete carry 50% when being 140N.m, compare with original motor, the stator conductor electric current is reduced to 17.23A, operating efficiency is increased to 95.70%, power factor is 0.9793.After being optimized through technical data, improved the operating efficiency of TYX225M-8_22Kw type permanent-magnet synchronous high efficiency motor greatly to the iron core of existing permanent-magnet synchronous high-efficiency electric motor and winding.
Claims (4)
1. permanent-magnet synchronous high efficiency motor; Comprise the rotor core that rotates assembling on the stator core that is connected on housing, the housing and the housing; Offer stator slot and rotor on stator core and the rotor core respectively, the number of wherein said stator slot is 54, and the number of rotor is 48; The stator winding connected mode is: two-way parallel connection, wye connection; Pitch: 1 ~ 7; It is characterized in that: the length of stator core is 200mm; All be wound with two coil layer in described each stator slot, each coil layer includes 10 circle coils; Lead and winding that each circle coil is 1.3mm by four diameters become.
2. permanent-magnet synchronous high efficiency motor according to claim 1 is characterized in that: the gas length between said stator core and rotor core is 0.5mm.
3. permanent-magnet synchronous high efficiency motor according to claim 1 is characterized in that: described stator core and rotor core are formed by a plurality of DR510-50,50WW600 or 50WW470 silicon steel sheet.
4. according to any described permanent-magnet synchronous high efficiency motor of claim 1 ~ 3, it is characterized in that: described rotor core is made up of a plurality of N38SH type permanent magnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204412318U CN202309453U (en) | 2011-11-09 | 2011-11-09 | Permanent magnet synchronous high-efficiency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204412318U CN202309453U (en) | 2011-11-09 | 2011-11-09 | Permanent magnet synchronous high-efficiency motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309453U true CN202309453U (en) | 2012-07-04 |
Family
ID=46378264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204412318U Expired - Fee Related CN202309453U (en) | 2011-11-09 | 2011-11-09 | Permanent magnet synchronous high-efficiency motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309453U (en) |
-
2011
- 2011-11-09 CN CN2011204412318U patent/CN202309453U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20131109 |