CN204442046U - A kind of motor stator winding of single two-layer hybrid of 72 groove 4 poles - Google Patents
A kind of motor stator winding of single two-layer hybrid of 72 groove 4 poles Download PDFInfo
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- CN204442046U CN204442046U CN201420811378.5U CN201420811378U CN204442046U CN 204442046 U CN204442046 U CN 204442046U CN 201420811378 U CN201420811378 U CN 201420811378U CN 204442046 U CN204442046 U CN 204442046U
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- 238000004804 winding Methods 0.000 title claims abstract description 41
- 239000010410 layer Substances 0.000 claims description 25
- 239000002356 single layer Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052802 copper Inorganic materials 0.000 abstract description 6
- 239000010949 copper Substances 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- Windings For Motors And Generators (AREA)
Abstract
A motor stator winding for single two-layer hybrid of 72 groove 4 poles, relates to motor stator winding.At present, traditional winding of threephase asynchronous machine stator 72 groove, copper consumption is many.Every pole of the present utility model comprises the first coil mutually, second coil, tertiary coil, 4th coil, single two-layer hybrid winding coil that 5th coil etc. 5 arrange according to concentric manner, the first described coil, second coil, tertiary coil, 4th coil, 5th coil is emitted in stator slot successively, the first described coil, second coil, tertiary coil, 4th coil, 5th coil turn is not etc., the first described coil, second coil, tertiary coil, 4th coil, 5th coil spread is not etc., the first described coil, second coil, tertiary coil, 4th coil, in each stator slot of 5th coil, in winding, sum is equal.The technical program tool high efficiency, low harmony wave, low noise, low cost and other advantages.
Description
Technical field
The utility model relates to motor stator winding, is especially a kind of motor stator winding of single two-layer hybrid of 72 groove 4 poles.
Background technology
At present, in traditional Winding Design of threephase asynchronous machine stator 72 groove, select span be 15 short distance two layer winding, the upper and lower two-layer coil of two layer winding is distributed in different grooves, and a groove distribution limit, upper strata, another groove must distribute lower floor limit.Between the final coil in overall end, mutual lamination, neatly good-looking.Because the span of double-layer overlapped coiling is equal, can not change coil windings length, coil copper consumption does not reach optimal design, and winding cost is higher.According to test result, the stray loss accounting of 72 groove double-layer overlapped windings is about 1.15%.Therefore need to design a kind of minimizing copper consumption, reduce stray loss accounting, improve the novel winding of electric efficiency.
Utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition carries out improving to prior art and improves, there is provided a kind of motor stator winding of single two-layer hybrid of 72 groove 4 poles, to realize reducing copper consumption, reduce stray loss accounting, to improve for the purpose of electric efficiency.For this reason, the utility model takes following technical scheme.
A kind of motor stator winding of single two-layer hybrid of 72 groove 4 poles, stator winding comprises by the first coil, second coil, tertiary coil, 4th coil, single two-layer hybrid winding coil that 5th coil arranges from outside to inside according to concentric manner, the first described coil, second coil, tertiary coil, 4th coil, 5th coil is emitted in stator slot successively, the first described coil, second coil, tertiary coil, 4th coil, 5th coil turn is not etc., the first described coil, second coil, tertiary coil, 4th coil, 5th coil spread is not etc., the first described coil, second coil, tertiary coil, 4th coil, in each stator slot of 5th coil, in winding, sum is equal.
As improving further and supplementing technique scheme, the utility model also comprises following additional technical feature.
The first described coil, the second coil, tertiary coil, the 4th coil, the 5th coil single layer winding and two layer winding exist simultaneously.
The first coil in described stator slot is single layer coil, and the second coil in stator slot, tertiary coil, the 4th coil, the 5th coil are double-layer coil.First coil is maximum coil, and it is single layer coil, effectively reduces the consumption of copper.
Described stator slot comprises groove A, groove B, groove C, groove D, groove E, groove R, groove Q, groove P, groove O, groove N, the first described coil is embedded in groove A and groove R, the second described coil is embedded in groove B and groove Q, described tertiary coil is embedded in groove C and groove P, the 4th described coil is embedded in groove D and groove O, and the 5th described coil is embedded in groove E and groove N.
Beneficial effect: the technical program is compared with existing mode, and tool high efficiency, low harmony wave, low noise, low cost and other advantages, competitive advantage is obvious.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1-first coil; 2-second coil; 3-tertiary coil; 4-the 4th coil; 5-the 5th coil; 6-stator slot.
Embodiment
Below in conjunction with Figure of description, the technical solution of the utility model is described in further detail.
As shown in Figure 1, every pole of the utility model stator winding comprises the coil that 5 numbers of turn do not wait mutually, be respectively the first coil 1, the second coil 2 be connected with the first coil 1, the tertiary coil 3 be connected with the second coil 2, the 4th coil 4 be connected with tertiary coil 3, the 5th coil 5 be connected with the 4th coil 4, wherein each coil is a coil in one group of coil in this three-phase windings in a phase, the first described coil 1, second coil 2, tertiary coil 3, 4th coil 4, the number of turn of the 5th coil 5 is not etc., according to air-gap field Sine distribution rule, the turn ratio is 1:0.739:0.565:0.435:0.261 respectively, the first described coil 1, second coil 2, tertiary coil 3, 4th coil 4, 5th coil 5 span is not etc., be respectively 17, 15, 13, 11, 9.
The first described coil 1, second coil 2, tertiary coil 3, the 4th coil 4, the 5th coil 5 single layer winding, two layer winding exist simultaneously, the stator slot 6 at the first described coil 1 place is single layer coil, the stator slot 6 at the second coil 2, tertiary coil 3, the 4th coil 4, the 5th coil 5 place is double-layer coil, is beneficial to and rolls off the production line.
According to design requirement, according to the mode of concentric type, the first described coil 1 is embedded in groove A and groove R, the second described coil 2 is embedded in groove B and groove Q, described tertiary coil 3 is embedded in groove C and groove P, the 4th described coil 4 is embedded in groove D and groove O, the 5th described coil 5 is embedded in groove E and groove N, the stator coil equal turn numbers rolled off the production line in rear each groove, and three-phase symmetrical distribution, first coil 1, second coil 2, tertiary coil 3, 4th coil 4, the span of the 5th coil 5 is followed successively by 17, 15, 13, 11, 9, wherein the first coil 1 is from groove A to groove R, the afterbody of stator coil is connected with the head of the second coil 2, second coil 2, tertiary coil 3, 4th coil 4, 5th coil 5 afterbody is connected successively with head.The span of each coil differs 2 grooves successively.
The magnetic potential that this novel winding produces is close to sinusoidal rule change in air-gap field, and first-harmonic content is high, and winding coefficient kdp1=0.9174, improves electric efficiency effectively; This novel winding meets the feature performance benefit of short distance, substantially can eliminate 5 times in magnetic field and 7 subharmonic, significantly reduce electromagnetic noise; In addition, the pattern of this novel wound stator coil list two-layer hybrid, more general double-layer overlapped coiling quantity reduces 16.7%, and front and back line bag height shortens about 20%, save the use amount of copper greatly, 2 sections of identical, that iron core is equal motors of power have been tested.By test comparison, see the following form:
Adopt the winding type of the technical program to be better than common double-layer overlapped geometric pattern formula completely, stray loss reduces about 0.5%, and efficiency improves 0.7 ~ 1.1%, noise reduction 3-5 decibel.
The motor stator winding of single two-layer hybrid of a kind of 72 groove 4 poles shown in above Fig. 1 is specific embodiment of the utility model; the utility model substantive distinguishing features and progress are embodied; can according to the use needs of reality; under enlightenment of the present utility model; it is carried out to the equivalent modifications of the aspect such as shape, structure, all at the row of the protection range of this programme.
Claims (4)
1. the motor stator winding of single two-layer hybrid of groove 4 pole, it is characterized in that: every pole of stator winding comprises by the first coil (1) mutually, second coil (2), tertiary coil (3), 4th coil (4), single two-layer hybrid winding coil that 5th coil (5) arranges from outside to inside according to concentric manner, described the first coil (1), second coil (2), tertiary coil (3), 4th coil (4), 5th coil (5) is emitted in stator slot (6) successively, described the first coil (1), second coil (2), tertiary coil (3), 4th coil (4), 5th coil (5) number of turn is not etc., described the first coil (1), second coil (2), tertiary coil (3), 4th coil (4), 5th coil (5) span is not etc., described the first coil (1), second coil (2), tertiary coil (3), 4th coil (4), in 5th coil (5) each stator slot (6) interior winding, sum is equal.
2. the motor stator winding of single two-layer hybrid of a kind of 72 groove 4 poles according to claim 1, is characterized in that: single layer winding and the two layer winding of described the first coil (1), the second coil (2), tertiary coil (3), the 4th coil (4), the 5th coil (5) exist simultaneously.
3. the motor stator winding of single two-layer hybrid of a kind of 72 groove 4 poles according to claim 2, it is characterized in that: the first coil (1) in described stator slot (6) is single layer coil, the second coil (2) in stator slot (6), tertiary coil (3), the 4th coil (4), the 5th coil (5) are double-layer coil.
4. the motor stator winding of single two-layer hybrid of a kind of 72 groove 4 poles according to claim 3, it is characterized in that: described stator slot (6) comprises groove A, groove B, groove C, groove D, groove E, groove R, groove Q, groove P, groove O, groove N, described the first coil (1) is embedded in groove A and groove R, described the second coil (2) is embedded in groove B and groove Q, described tertiary coil (3) is embedded in groove C and groove P, the 4th described coil (4) is embedded in groove D and groove O, and the 5th described coil (5) is embedded in groove E and groove N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420811378.5U CN204442046U (en) | 2014-12-18 | 2014-12-18 | A kind of motor stator winding of single two-layer hybrid of 72 groove 4 poles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420811378.5U CN204442046U (en) | 2014-12-18 | 2014-12-18 | A kind of motor stator winding of single two-layer hybrid of 72 groove 4 poles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204442046U true CN204442046U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420811378.5U Expired - Fee Related CN204442046U (en) | 2014-12-18 | 2014-12-18 | A kind of motor stator winding of single two-layer hybrid of 72 groove 4 poles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204442046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510355A (en) * | 2018-12-18 | 2019-03-22 | 西门子电机(中国)有限公司 | The method for winding and motor of motor Concentrical winding, motor Concentrical winding |
-
2014
- 2014-12-18 CN CN201420811378.5U patent/CN204442046U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510355A (en) * | 2018-12-18 | 2019-03-22 | 西门子电机(中国)有限公司 | The method for winding and motor of motor Concentrical winding, motor Concentrical winding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 312300 No. 1801 Renmin West Road, Shaoxing, Zhejiang, Shangyu Patentee after: WOLONG ELECTRIC GROUP Co.,Ltd. Address before: 312300 No. 1801 Renmin West Road, Shaoxing, Zhejiang, Shangyu Patentee before: WOLONG ELECTRIC GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 |