CN103595156A - Stator punching sheet of high-speed permanent magnet synchronous motor - Google Patents
Stator punching sheet of high-speed permanent magnet synchronous motor Download PDFInfo
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- CN103595156A CN103595156A CN201310579617.9A CN201310579617A CN103595156A CN 103595156 A CN103595156 A CN 103595156A CN 201310579617 A CN201310579617 A CN 201310579617A CN 103595156 A CN103595156 A CN 103595156A
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- stator punching
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Abstract
The invention discloses a stator punching sheet of a high-speed permanent magnet synchronous motor. A stator punching sheet body is round, the diameter of the outer contour of the stator punching sheet body is 550mm, and the diameter of the inner contour of the stator punching sheet body is 190mm. 27 rectangular stator punching sheet grooves which are evenly distributed around the circumference are formed in the stator punching sheet body, the width of an opening of each stator punching sheet groove is 15.3mm, and the depth of each stator punching sheet groove is 111.7mm. Ventilation grooves are symmetrically formed in the two sides of the positions close to the openings of the stator punching sheet grooves, wherein the distance from the positions to the openings is 35mm, and 8 dovetail-shaped locating grooves which are evenly distributed around the circumference are formed in the outer contour of the stator punching sheet body. The stator punching sheet is reasonable in structure and good in permeability performance and is used in a stator core of the YYG400-4-1120Kw18000r/min3000V high-speed permanent magnet synchronous motor, operating efficiency of the motor can be improved, the good heat radiation condition is possessed, and coils in the grooves are stable and not easily loosened to be exposed out of the grooves due to the large depth of the grooves.
Description
Technical field
The present invention relates to field of motor manufacturing, particularly relate to a kind of stator punching that is applicable to high-speed permanent magnetic synchronous motor YYG400-4-1120kW 18000r/min 3000V.
Background technology
Motor is mainly comprised of stationary part and rotor portion, and stator is to be formed by stacking by stator punching one by one.Stator punching is the key components and parts in motor, and its inside and outside circle size, grooved are big or small, how many etc. has direct impact to the efficiency of motor.And the most of motors that use are at present due to the defect in design, the magnetic property of its stator punching and heat dispersion are not good, and groove is shallow, and embedded coil easily overflows groove, and long-term use can increase the loss of electric machine, reduces the operational efficiency of motor.
Summary of the invention
The object of this invention is to provide a kind of high-speed permanent magnetic synchronous motor stator punching, this stator punching is for the stator core of high-speed permanent magnetic synchronous motor YYG400-4-1120kW 18000r/min 3000V, there is good magnetic property and heat dispersion, and groove depth, embedded coil is firmly difficult for loosening.Technical scheme of the present invention is: a kind of high-speed permanent magnetic synchronous motor stator punching, comprise stator punching body, it is characterized in that: described stator punching body is for circular, its outline diameter is 550mm, interior outline diameter is 190mm, in stator punching body, be provided with 27 stator punching grooves that distribute around even circumferential, described stator punching groove is rectangle, A/F is 15.3mm, groove depth 111.7mm, both sides, position near stator punching channel opening are symmetrically arranged with ventilation slot, described ventilation slot is 35mm from the distance of stator punching channel opening, on stator punching body outline, be provided with 8 swallow-tail form detents that distribute around even circumferential.
Further, ventilation slot is triangular in shape, and ventilation slot groove shoulder slope angle number is respectively 30 °, and 60 °, ventilation slot sharp corner is led fillet setting, and arc radius is 0.5mm, and the A/F of ventilation slot is 4mm.
Further, fillet setting is all led at stator punching groove trench bottom two ends, and arc radius is 0.5mm.
Further, described swallow-tail form detent groove depth 4.8mm, groove shoulder slope angle number is 65 °, groove bottom width is 25mm.
The present invention is applicable in the stator core of high-speed permanent magnetic synchronous motor YYG400-4-1120kW 18000r/min 3000V, the advantage having is as follows: 1, good magnetic property, better realized energy converting between mechanical, and improve motor performance, reduce the loss of electric machine, improve motor operational efficiency; 2, on high-speed permanent magnetic synchronous motor stator punching with ventilation slot, for motor provides good radiating condition; 3, rational in infrastructure, stator punching groove groove is darker, makes embedded coil more firm, is difficult for the loosening groove that overflows.
Accompanying drawing explanation
Fig. 1 is the profile of high-speed permanent magnetic synchronous motor stator punching.
Fig. 2 is the partial enlarged drawing of I part in Fig. 1.
Fig. 3 is the partial enlarged drawing of II part in Fig. 1.
1, stator punching body; 2, stator punching groove; 3, ventilation slot; 4, swallow-tail form detent.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further;
With reference to accompanying drawing, a kind of high-speed permanent magnetic synchronous motor stator punching, comprise stator punching body 1, it is characterized in that: described stator punching body 1 is for circular, its outline diameter d 1 is 550mm, interior outline diameter d2 is 190mm, in stator punching body 1, be provided with 27 stator punching grooves 2 that distribute around even circumferential, described stator punching groove 2 is rectangle, A/F d3 is 15.3mm, groove depth h1 is 111.7mm, and the both sides, position of close stator punching groove 2 openings are symmetrically arranged with ventilation slot 3, and this ventilation slot 3 is 35mm from the distance L of stator punching groove 2 openings; On stator punching body 1 outline, be provided with 8 swallow-tail form detents 4 that distribute around even circumferential; Ventilation slot 3 is triangular in shape, a hypotenuse and stator punching groove 2 trough rim tilt angle alpha close to stator punching groove 2 notches are 30 °, a hypotenuse and stator punching groove 2 trough rim inclination angle beta away from stator punching groove 2 notches are 60 °, ventilation slot 3 sharp corners are led fillet setting, arc radius R1 is 0.5mm, and the A/F d4 of ventilation slot 3 is 4mm; Fillet setting is all led at stator punching groove 2 trench bottom two ends, and arc radius R2 is 0.5mm; Described swallow-tail form detent 4 groove depth h2 are 4.8mm, and groove shoulder slope angle number δ is 65 °, and groove bottom width d5 is 25mm.
Adopt technique scheme only need change the diel of high-speed permanent magnetic synchronous motor stator punching, do not change the original assembling mode of motor.The present invention calculates by the Solidworks of simulation software and Ansoft software, and result data shows that stator punching notch vicinity magnetic density maximum is 1.56T, shows its feasibility and correctness under rated condition.
The present invention is applicable in the stator core of high-speed permanent magnetic synchronous motor YYG400-4-1120kW 18000r/min 3000V, the advantage having is as follows: 1, good magnetic property, better realized energy converting between mechanical, and improve motor performance, reduce the loss of electric machine, improve motor operational efficiency; 2, on high-speed permanent magnetic synchronous motor stator punching with ventilation slot, for motor provides good radiating condition; 3, rational in infrastructure, stator punching groove groove is darker, makes embedded coil more firm, is difficult for the loosening groove that overflows.
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; do not departing under the prerequisite of structure of the present invention; can also make some distortion and improvement; these also should be considered as protection scope of the present invention, and these can not affect effect of the invention process and practical applicability.
Claims (4)
1. a high-speed permanent magnetic synchronous motor stator punching, comprise stator punching body (1), it is characterized in that: described stator punching body (1) is for circular, its outline diameter d 1 is 550mm, interior outline diameter d2 is 190mm, in stator punching body (1), be provided with 27 stator punching grooves (2) that distribute around even circumferential, described stator punching groove (2) is rectangle, A/F d3 is 15.3mm, groove depth h1 is 111.7mm, both sides, position near stator punching groove (2) opening are symmetrically arranged with ventilation slot (3), described ventilation slot (3) is 35mm from the distance L of stator punching groove (2) opening, on stator punching body (1) outline, be provided with 8 swallow-tail form detents (4) that distribute around even circumferential.
2. high-speed permanent magnetic synchronous motor stator punching according to claim 1, it is characterized in that: ventilation slot (3) is triangular in shape, ventilation slot (3) groove shoulder slope angle number α is 30 °, β is 60 °, ventilation slot (3) sharp corner is led fillet setting, arc radius R1 is 0.5mm, and the A/F d4 of ventilation slot (3) is 4mm.
3. high-speed permanent magnetic synchronous motor stator punching according to claim 1, is characterized in that: fillet setting is all led at stator punching groove (2) trench bottom two ends, and arc radius R2 is 0.5mm.
4. high-speed permanent magnetic synchronous motor stator punching according to claim 1, is characterized in that: described swallow-tail form detent (4) groove depth h2 is 4.8mm, and groove shoulder slope angle number δ is 65 °, and groove bottom width d5 is 25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310579617.9A CN103595156A (en) | 2013-11-19 | 2013-11-19 | Stator punching sheet of high-speed permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310579617.9A CN103595156A (en) | 2013-11-19 | 2013-11-19 | Stator punching sheet of high-speed permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103595156A true CN103595156A (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310579617.9A Pending CN103595156A (en) | 2013-11-19 | 2013-11-19 | Stator punching sheet of high-speed permanent magnet synchronous motor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487122A (en) * | 2016-11-24 | 2017-03-08 | 广东美芝精密制造有限公司 | Stator, motor and compressor |
| CN106602757A (en) * | 2016-12-26 | 2017-04-26 | 合肥恒大江海泵业股份有限公司 | Stator groove shape of water-filled submersible motor |
| CN108092426A (en) * | 2018-01-25 | 2018-05-29 | 博远机电（嘉兴）有限公司 | stator punching and stator core |
| CN108110914A (en) * | 2018-01-25 | 2018-06-01 | 博远机电（嘉兴）有限公司 | Stator core and motor |
| CN109638991A (en) * | 2018-11-30 | 2019-04-16 | 南通大学 | The punching of high-voltage permanent magnet synchronous motor stator and wound stator and motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201813226U (en) * | 2010-09-14 | 2011-04-27 | 上海福源智业投资集团有限公司 | Air duct wall of generator stator core |
| CN202513685U (en) * | 2012-04-06 | 2012-10-31 | 杭州萧山环宇冲件有限公司 | Stator stamping sheet with air vents |
| CN202817923U (en) * | 2012-10-16 | 2013-03-20 | 南车成都机车车辆有限公司 | Motor iron core punching sheet |
| CN202997726U (en) * | 2012-12-25 | 2013-06-12 | 南车株洲电机有限公司 | Stator fanning strip ventilation duct plate and stator core ventilation duct plate |
| CN203645417U (en) * | 2013-11-19 | 2014-06-11 | 江苏航天动力机电有限公司 | A high speed permanent magnet synchronous motor stator punching sheet |
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2013
- 2013-11-19 CN CN201310579617.9A patent/CN103595156A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201813226U (en) * | 2010-09-14 | 2011-04-27 | 上海福源智业投资集团有限公司 | Air duct wall of generator stator core |
| CN202513685U (en) * | 2012-04-06 | 2012-10-31 | 杭州萧山环宇冲件有限公司 | Stator stamping sheet with air vents |
| CN202817923U (en) * | 2012-10-16 | 2013-03-20 | 南车成都机车车辆有限公司 | Motor iron core punching sheet |
| CN202997726U (en) * | 2012-12-25 | 2013-06-12 | 南车株洲电机有限公司 | Stator fanning strip ventilation duct plate and stator core ventilation duct plate |
| CN203645417U (en) * | 2013-11-19 | 2014-06-11 | 江苏航天动力机电有限公司 | A high speed permanent magnet synchronous motor stator punching sheet |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487122A (en) * | 2016-11-24 | 2017-03-08 | 广东美芝精密制造有限公司 | Stator, motor and compressor |
| CN106602757A (en) * | 2016-12-26 | 2017-04-26 | 合肥恒大江海泵业股份有限公司 | Stator groove shape of water-filled submersible motor |
| CN108092426A (en) * | 2018-01-25 | 2018-05-29 | 博远机电（嘉兴）有限公司 | stator punching and stator core |
| CN108110914A (en) * | 2018-01-25 | 2018-06-01 | 博远机电（嘉兴）有限公司 | Stator core and motor |
| CN108110914B (en) * | 2018-01-25 | 2024-02-06 | 博远机电（嘉兴）有限公司 | Stator core and motor |
| CN109638991A (en) * | 2018-11-30 | 2019-04-16 | 南通大学 | The punching of high-voltage permanent magnet synchronous motor stator and wound stator and motor |
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Application publication date: 20140219 |