CN2572649Y - Motor with high starting moment - Google Patents
Motor with high starting moment Download PDFInfo
- Publication number
- CN2572649Y CN2572649Y CN02269880U CN02269880U CN2572649Y CN 2572649 Y CN2572649 Y CN 2572649Y CN 02269880 U CN02269880 U CN 02269880U CN 02269880 U CN02269880 U CN 02269880U CN 2572649 Y CN2572649 Y CN 2572649Y
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- stator
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- punching
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Abstract
The utility model discloses a motor with high starting moment, which mainly solves the problem that the prior art has lower starting moment. The utility model is composed of a stator and a rotor, wherein the stator comprises a base, a stator iron core and a stator winding, and the rotor comprises a rotor iron core, a rotor guide strip or a rotor winding and a rotating shaft. The number of stator piece stamping slots and the number of rotor piece stamping slots are 36 to 32 and are mutually matched, the stator winding adopts a single layer single or double coil overlapping type winding, the slot slope of the rotor is 1.2 to 2.0 stator tooth pitches, and an air gap is 0.36mm to 0.40mm. The utility model has the characteristics of simple structure, convenient realization, etc., and the starting moment can reach more than four times.
Description
Technical field
The utility model relates to motor, and is special relevant with three-phase AC asynchronous motor.
Background technology
Common motor of the prior art, ubiquity the lower defective of starting torque, and promptly the starting torque multiple is about 2.0.The needs that can not well adapt to some special-purpose driving arrangements.
Summary of the invention
Task of the present utility model is to solve the above-mentioned defective that exists in the prior art, the motor that provides a kind of starting torque to have a more substantial increase than prior art.
Its technical scheme is:
The high starting torque motor of the utility model, mainly contain stator, rotor two large divisions composition, be air-gap between stator and the rotor, stator organic block, stator core, stator winding, rotor has rotor core, rotor winding, rotating shaft, stator core is overrided to form cylindrical shape with stator punching insulated from each other, the interior circle of stator core dashes equally distributed stator slot, place stator winding in the groove, rotor core is overrided to form cylindrical with rotor punching insulated from each other, evenly dash on the rotor core cylindrical with rotor, place rotor bar or winding in the groove; Each stator punching of stator core has 36 of punching grooves, and wherein the upper width of each punching groove is camber line shape less than bottom land width and bottom land, and the facewidth of punching groove is 5.5-6mm; Each rotor punching of rotor core has 32 of punching grooves, wherein the wide 1.6-2.0mm of slot opening 3.6-4.2mm, bottom land of each punching groove, the high 10-12mm of groove and bottom land shape linearly; Described stator winding is single with individual layer, two coils change the formula winding, and wherein the pitch of each coil is 7 grooves in adjacent two coils of homophase, and the pitch of other single in-phase coil is 6 grooves; Air-gap is 0.36-0.40mm; The skewed slot degree of rotor is a 1.2-2.0 stator tooth distance.The quantity of each stator punching of said stator iron core, each rotor punching groove of rotor core and the above-mentioned configuration of shape size can make the sectional area of rotor bar less than normal, improve rotor resistance and reduce starting current, and starting torque is improved; The rotor chute degree is got 1.2-2.0 stator tooth distance, weakens the humorous wave amplitude of motor tooth magnetic conductance, reduces the asynchronous additional torque of motor, guarantees the starting of motor quick and stable, can reduce by about 70% of 3 times, 5 times high order harmonic component amplitudes.In a word, technique scheme can make starting torque reach more than 4 times.
As improvement of the present utility model, above-mentioned motor starting can adopt △-Y changing-over to be fully loaded with boosting mode, can realize that motor start-up reaches normal operation in 0-360 ° of mechanical angle scope.Solve the prior art motor because starting torque is little, equipment requirements is not satisfied in fully loaded across-the-line starting, and used the band flywheel structure to start, make again the trouble of friction carry-over moment.
As improvement of the present utility model, above-mentioned motor can adopt the conical friction transfer torque; Its spindle nose tapering 1: 10, microcephaly ∮ 28.3mm, major part ∮ 35
-0.15 -0.16Mm, length 66mm; It uses a M16 silk fixing and locking.Can prevent effectively that motor shaft end from connecting matching loose with equipment, guarantee the online even running of motor.
As improvement of the present utility model, the said stator winding coil, its coil can be furnished with overheat protector, and coil is overheated when reaching design temperature in overload, can cut off supply line automatically.It can effectively guarantee motor outage parking automatically when overload makes coil overheated, prevents that motor winding from being burnt, damaging motor.
Description of drawings
Fig. 1 is the utility model overall structure principle schematic.
Fig. 2 is the stator laminating structure schematic diagram of group stator core of the present utility model.
Fig. 3 is for forming the rotor punching structural representation of rotor core of the present utility model.
Fig. 4 is a kind of execution mode expanded view of stator winding of the present utility model.
Embodiment
As shown in Figure 1, the high starting torque motor of the utility model, mainly by stator, the rotor two large divisions forms, stator organic block 1, stator core 2, stator winding, stator punching such as silicon steel punching that stator core 2 usefulness are insulated from each other are overrided to form cylindrical shape, the interior circle of stator core dashes 36 equally distributed stator slots, place stator winding in the stator slot, the said stator groove is that even some stator punchings that distribute 36 punching grooves laminate formation on it, be that stator slot is 36, each stator punching 21 structure can be as shown in Figure 2, only show 3 in 36 punching grooves among Fig. 2, all the other are not shown, wherein the upper width of each stator punching groove 22 is camber line shape less than bottom land width and bottom land, and the facewidth of punching groove can be 5.5mm, 5.7mm, 5.8mm, 6mm etc., stator winding adopt individual layer single, two coils change the formula winding as shown in Figure 4, wherein the pitch of each coil is 7 grooves in the individual coil of adjacent two (two) of homophase, and the pitch of other single in-phase coil is 6 grooves; Rotor has rotor core 3, rotor bar or winding, rotating shaft 4, rotor core 3 usefulness rotor punching 31 insulated from each other is overrided to form cylindrical as silicon steel punching, evenly dash on the rotor core cylindrical 32 turn troughs are arranged, place rotor bar or winding in the groove, above-mentioned rotor is that even some rotor punchings that distribute 32 punching grooves laminate formation on it, be that rotor is 32, each rotor punching 31 structure can be as shown in Figure 3, only show 3 in 32 punching grooves among Fig. 3, wherein the upper width of each punching groove 32 can be 3.6,3.7,3.8,3.9,4.0,4.1,4.2mm etc. arbitrary value, the bottom land width can be 1.6,1.7,1.8,1.9,2.0mm etc. arbitrary value, the groove height can be 10,10.5,11,11.5, arbitrary value such as 12mm, bottom land is shape linearly; The skewed slot degree of rotor can be 1.2,1.3,1.4,1.5,1.6,1.7,1.9,2.0 stator tooth distances; Between said stator and the rotor air-gap 5, arbitrary value such as air-gap 5 can be 0.36,0.37,0.38,0.39,0.40mm.Above-mentioned motor starting can adopt △-Y changing-over to be fully loaded with boosting mode, its available starter or realize by the time switching principle with contactor.Above-mentioned motor can adopt the conical friction transfer torque, rotating shaft spindle nose tapering 1: 10, microcephaly ∮ 28.3mm, major part ∮ 35
-0.15 -0.16Mm, length 66mm, its available M16 silk fixing and locking.Above-mentioned motor stator winding coil is furnished with overheat protector, and coil is overheated when reaching design temperature in motor overload, can cut off supply line automatically, and motor is in time shut down, and overheating protection circuit can adopt to be used for reference the prior art mode and realize.
Claims (5)
1, a kind of high starting torque motor, mainly by stator, the rotor two large divisions forms, be air-gap between stator and the rotor, described stator organic block, stator core, stator winding, described rotor has rotor core, rotor bar or winding, rotating shaft, stator core is overrided to form cylindrical shape with stator punching insulated from each other, the interior circle of stator core dashes equally distributed stator slot, place stator winding in the groove, rotor core is overrided to form cylindrical with rotor punching insulated from each other, evenly dash on the rotor core cylindrical with rotor, place rotor bar or winding in the groove, it is characterized in that: each stator punching of described stator core has 36 of punching grooves, and wherein the upper width of each punching groove is camber line shape less than bottom land width and bottom land, and the facewidth of punching groove is 5.5-6mm; Each rotor punching of described rotor core has 32 of punching grooves, wherein the wide 3.6-4.2mm in the top of each punching groove, the wide 1.6-2.0mm of bottom land, the high 10-12mm of groove and bottom land shape linearly; Described stator winding is single with individual layer, two coils change the formula winding, and wherein the pitch of each coil is 7 grooves in adjacent two coils of homophase, and the pitch of other single in-phase coil is 6 grooves; The skewed slot degree of described rotor is a 1.2-2.0 stator tooth distance; Described air-gap is 0.36-0.40mm.
2, motor according to claim 1 is characterized in that: described motor starting adopts the fully loaded boosting mode of △-Y changing-over.
3, motor according to claim 1 and 2 is characterized in that: described motor adopts the conical friction transfer torque; Its spindle nose tapering 1: 10, microcephaly ∮ 28.3mm, major part ∮ 35
-0.15 -0.16Mm, length 66mm; It uses a M16 silk fixing and locking.
4, motor according to claim 1 and 2 is characterized in that: the stator winding coil, described coil is provided with overheat protector, in that coil overload is overheated when reaching design temperature, can cut off supply line automatically.
5, motor according to claim 3 is characterized in that: the stator winding coil, described coil is provided with overheat protector, in that coil overload is overheated when reaching design temperature, can cut off supply line automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02269880U CN2572649Y (en) | 2002-10-08 | 2002-10-08 | Motor with high starting moment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02269880U CN2572649Y (en) | 2002-10-08 | 2002-10-08 | Motor with high starting moment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2572649Y true CN2572649Y (en) | 2003-09-10 |
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ID=33735043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02269880U Expired - Fee Related CN2572649Y (en) | 2002-10-08 | 2002-10-08 | Motor with high starting moment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2572649Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306991A (en) * | 2011-09-26 | 2012-01-04 | 佛山市南海晶惠普电子科技有限公司 | Permanent magnetism servo synchronous motor three-phase winding |
| CN102355108A (en) * | 2011-09-26 | 2012-02-15 | 佛山市南海晶惠普电子科技有限公司 | High-quality three-phase alternating current permanent magnet servo synchronous motor |
| CN102780347A (en) * | 2012-07-06 | 2012-11-14 | 重庆市乐尔佳机械有限公司 | Super energy-saving 30kw4 pole three-phase asynchronous motor |
| CN102780345A (en) * | 2012-07-06 | 2012-11-14 | 重庆市乐尔佳机械有限公司 | Ultra-energy-saving 18500W four-pole three-phase asynchronous electric motor |
| CN105978184A (en) * | 2016-05-06 | 2016-09-28 | 吕三元 | High-efficient asynchronous motor for new-energy automobile |
| WO2016183706A1 (en) * | 2015-05-15 | 2016-11-24 | 佛山市威灵洗涤电机制造有限公司 | Three-phase variable frequency electric motor and washing machine |
-
2002
- 2002-10-08 CN CN02269880U patent/CN2572649Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306991A (en) * | 2011-09-26 | 2012-01-04 | 佛山市南海晶惠普电子科技有限公司 | Permanent magnetism servo synchronous motor three-phase winding |
| CN102355108A (en) * | 2011-09-26 | 2012-02-15 | 佛山市南海晶惠普电子科技有限公司 | High-quality three-phase alternating current permanent magnet servo synchronous motor |
| CN102355108B (en) * | 2011-09-26 | 2013-09-18 | 江西省迪普安数字功率技术发展有限公司 | High-quality three-phase alternating current permanent magnet servo synchronous motor |
| CN102780347A (en) * | 2012-07-06 | 2012-11-14 | 重庆市乐尔佳机械有限公司 | Super energy-saving 30kw4 pole three-phase asynchronous motor |
| CN102780345A (en) * | 2012-07-06 | 2012-11-14 | 重庆市乐尔佳机械有限公司 | Ultra-energy-saving 18500W four-pole three-phase asynchronous electric motor |
| WO2016183706A1 (en) * | 2015-05-15 | 2016-11-24 | 佛山市威灵洗涤电机制造有限公司 | Three-phase variable frequency electric motor and washing machine |
| CN105978184A (en) * | 2016-05-06 | 2016-09-28 | 吕三元 | High-efficient asynchronous motor for new-energy automobile |
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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 |