CN108092472B - Winding method for stator of permanent magnet motor with 9-slot 4-pole unit motor - Google Patents
Winding method for stator of permanent magnet motor with 9-slot 4-pole unit motor Download PDFInfo
- Publication number
- CN108092472B CN108092472B CN201810106321.8A CN201810106321A CN108092472B CN 108092472 B CN108092472 B CN 108092472B CN 201810106321 A CN201810106321 A CN 201810106321A CN 108092472 B CN108092472 B CN 108092472B
- Authority
- CN
- China
- Prior art keywords
- winding
- stator
- slot
- stator slot
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004804 winding Methods 0.000 title claims abstract description 138
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000011810 insulating material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/085—Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The invention relates to the technical field of motor winding, and particularly discloses a winding method for a stator of a permanent magnet motor with a unit motor of 9 slots and 4 poles, which comprises the following steps: winding a plurality of turns along the first stator slot and the third stator slot to form a first coil; winding out the first coil, and winding a plurality of turns along the fifth stator slot and the third stator slot to form a second coil; winding out a second coil, and winding a plurality of turns along a fifth stator slot and a seventh stator slot to form a third coil so as to finish the first phase winding of the unit motor; the last stator slot of the first phase winding is taken as the first stator slot of the second phase winding, and the step of the first phase winding is repeated to complete the winding of the first unit motor; and repeating the step of winding the first unit to finish the winding of the K unit motor. The invention realizes the same-direction winding, avoids the stator from being positioned for many times during winding, improves the production efficiency, and can improve the running performance of the motor, reduce the magnetic field distortion caused by tooth harmonic waves and reduce the winding amount.
Description
Technical Field
The invention relates to the technical field of motor winding, and particularly discloses a winding method for a stator of a permanent magnet motor with 9 slots and 4 poles as a unit motor.
Background
For distributed windings, when a stator of the existing motor winds, after a coil of one phase winding is wound, when another phase winding starts to be wound, the winding needs to reposition an initial slot of the winding, so that the winding efficiency is reduced; meanwhile, when two groups of coils need to be placed in each slot of the existing winding of the high-voltage motor, because the two coils belong to different phases, insulating materials need to be placed between the two coils in each slot of the coil, and the production process is complicated.
Therefore, there is a need in the art for a method of winding a stator for an electric machine that addresses the above-mentioned problems.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a winding method for a stator of a 9-slot 4-pole permanent magnet motor of a unit motor.
In order to achieve the above purpose, the present invention adopts the following scheme.
A winding method for a stator of a permanent magnet motor with a unit motor of 9 slots and 4 poles comprises the following steps:
optionally selecting a stator slot as a first stator slot of the first unit, and winding a plurality of turns along the first stator slot and the third stator slot to form a first coil;
winding the wire out of the first coil, and winding a plurality of turns along the fifth stator slot and the third stator slot to form a second coil;
winding the wire out of a second coil, and winding a plurality of turns along a fifth stator slot and a seventh stator slot to form a third coil so as to finish the first phase winding of the unit motor;
repeating the step of the first phase winding by taking the last stator slot of the first phase winding as the first stator slot of the second phase winding to complete the second phase winding of the unit motor;
the last stator slot of the second-phase winding is used as a first stator slot of a third-phase winding, and the step of the first-phase winding is repeated to complete the winding of the first unit motor;
and repeating the winding step of the first unit until the winding of the motor of the K unit is completed, wherein the number of the initial winding slot of the K unit is 9x (K-1) + 1.
Furthermore, the permanent magnet motor stator winding method adopts a homodromous winding mode to perform winding.
Further, the 6 winding slots of each 9-slot unit are provided with different windings in the same phase.
Further, the winding is a short-pitch fractional-slot winding.
Further, the tail wire outlet slot of the previous phase winding is used as the starting slot of the next phase winding.
The invention has the beneficial effects that: the winding method of the permanent magnet motor stator with the unit motor being 9 slots and 4 poles is provided, the 9 slots and 4 poles of the stator are used for winding, the same-direction winding is realized, the stator is prevented from being positioned for many times during winding, and the production efficiency is improved; and the coils with the same phase are arranged in two thirds of the stator slots, and an insulating material does not need to be arranged between the two coils, so that the using amount of the insulating material is saved.
Drawings
Fig. 1 is a schematic winding diagram of a two-unit motor according to an embodiment of the present invention.
Fig. 2 is a schematic winding diagram of a unit motor according to an embodiment of the present invention.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
The invention aims to apply the situation that the slot-pole ratio is K (9 slots/4 poles) to a permanent magnet motor with 9 slots and 4 poles as a unit motor, wherein K is an integer coefficient. The preferred embodiment is further described with a slot to pole ratio of 2 x (9 slots/4 poles).
A winding method for a stator of a permanent magnet motor with a unit motor of 9 slots and 4 poles is disclosed, as shown in figures 1 and 2, stator slots marked with the same numbers in the figures are shown as the same stator slot, the tail end X of a first winding is correspondingly connected with the head of a second winding V, and the tail end Z of the second winding is correspondingly connected with the head of a third winding W. The 1 st stator slot is adjacent to the 18 th stator slot due to the annular arrangement of stator slots.
When winding is carried out, one stator slot is selected as the 1 st stator slot of the first unit, the conducting wire is wound from the 1 st stator slot, and a plurality of turns of winding are carried out along the 1 st stator slot and the 3 rd stator slot to form a first coil; winding the wire out of the first coil, and winding a plurality of turns along the 5 th stator slot and the 3 rd stator slot to form a second coil; and winding the wire out of the second coil, and winding a plurality of turns along the 5 th stator slot and the 7 th stator slot to form a third coil so as to finish the first phase winding of the unit motor.
Repeating the step of winding the first phase until the winding of the first unit motor is completed by taking the last stator slot of the first-phase winding as the first stator slot of the second-phase winding and the last stator slot of the second-phase winding as the first stator slot of the third-phase winding;
winding a fourth coil by taking a 10 th stator slot (namely K is 2,9x (2-1) +1 is 10, and the 10 th stator slot is taken as an initial slot of the second unit) as a 1 st stator slot of the second unit and winding the fourth coil for a plurality of turns along the 10 th stator slot and the 12 th stator slot; winding the conducting wire out of a fourth coil, and winding a plurality of turns along a 14 th stator slot and a 12 th stator slot to form a fifth coil; and winding the wire out of the fifth coil for a plurality of turns along the 14 th stator slot and the 16 th stator slot to form a sixth coil, thereby completing the winding of the first winding. The second winding takes the 16 th stator slot as the 1 st stator slot of the second unit, and the winding is carried out by repeating the steps.
In this embodiment, the tail line outlet slot of the previous phase winding is used as the starting slot of the next phase winding.
In this embodiment, the 6 winding slots of each 9-slot winding unit are used for placing different windings in the same phase.
In this embodiment, the stator slots are arranged in a ring shape, and when the 18 th stator slot is wound, the stator is wound for one circle, and the winding is performed in the same-direction winding manner. The homophase winding only needs the stator to fix a position once, avoids the originated groove of repeated location when different looks coils wire winding for wire winding operation is comparatively simple and convenient, simplifies the design of spooling equipment, does benefit to and realizes automated production, improves wire winding efficiency.
According to the winding method for the permanent magnet motor stator with the unit motor being 9 slots and 4 poles, the number of slots under each pair of poles can be reduced, the same slot can be provided with two in-phase windings, and an insulating material does not need to be added between the two in-phase windings, so that the slot insulating material is reduced, and the slot fullness rate is improved. And the motor under the slot pole ratio conveniently adopts the short-distance fractional slot winding through the winding mode, so that the winding coefficient is improved, and the winding amount is greatly reduced. And the short distance and the distribution effect of the winding can be improved, the sine of the counter potential waveform is improved, and the cogging torque and the torque fluctuation are reduced. Therefore, the stator winding method can improve the running performance of the motor, reduce the magnetic field distortion caused by tooth harmonic waves and reduce the winding amount.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (4)
1. A winding method for a stator of a permanent magnet motor with a unit motor of 9 slots and 4 poles is characterized by comprising the following steps:
optionally selecting a stator slot as a first stator slot of the first unit, and winding a plurality of turns along the first stator slot and the third stator slot to form a first coil;
winding the wire out of the first coil, and winding a plurality of turns along the fifth stator slot and the third stator slot to form a second coil;
winding the wire out of a second coil, and winding a plurality of turns along a fifth stator slot and a seventh stator slot to form a third coil so as to finish the first phase winding of the unit motor;
repeating the step of the first phase winding by taking the last stator slot of the first phase winding as the first stator slot of the second phase winding to complete the second phase winding of the unit motor;
the last stator slot of the second-phase winding is used as a first stator slot of a third-phase winding, and the step of the first-phase winding is repeated to complete the winding of the first unit motor;
and repeating the winding step of the first unit until the winding of the motor of the K unit is completed, wherein the number of the initial winding slot of the K unit is 9x (K-1) +1, and 6 winding slots of each 9-slot unit are provided with different windings in the same phase.
2. The winding method of the stator of the permanent magnet motor of claim 1, wherein the winding method of the stator of the permanent magnet motor adopts a mode of equidirectional winding.
3. The method of claim 1, wherein the winding is a short pitch fractional slot winding.
4. The method of claim 1, wherein the last phase winding is taken as the starting slot of the next phase winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106321.8A CN108092472B (en) | 2018-02-02 | 2018-02-02 | Winding method for stator of permanent magnet motor with 9-slot 4-pole unit motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106321.8A CN108092472B (en) | 2018-02-02 | 2018-02-02 | Winding method for stator of permanent magnet motor with 9-slot 4-pole unit motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108092472A CN108092472A (en) | 2018-05-29 |
| CN108092472B true CN108092472B (en) | 2019-12-27 |
Family
ID=62194284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810106321.8A Active CN108092472B (en) | 2018-02-02 | 2018-02-02 | Winding method for stator of permanent magnet motor with 9-slot 4-pole unit motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108092472B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641302B (en) * | 2020-05-19 | 2022-08-05 | 台州市金宇机电有限公司 | Winding method of motor stator for electric vehicle |
| CN113162343A (en) * | 2021-05-17 | 2021-07-23 | 苏州臻迪智能科技有限公司 | Winding method of motor stator, stator and motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780029A (en) * | 2014-02-13 | 2014-05-07 | 安徽安凯汽车股份有限公司 | Wire winding method for three-phase double-layer concentric type winding and three-phase alternating current motor |
| CN106253530A (en) * | 2016-09-04 | 2016-12-21 | 华中科技大学 | A kind of across two tooth concentratred winding vernier magnetoes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100517923B1 (en) * | 2003-02-27 | 2005-09-30 | 엘지전자 주식회사 | Stator assembly for electric motor and manufacturing method thereof |
-
2018
- 2018-02-02 CN CN201810106321.8A patent/CN108092472B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780029A (en) * | 2014-02-13 | 2014-05-07 | 安徽安凯汽车股份有限公司 | Wire winding method for three-phase double-layer concentric type winding and three-phase alternating current motor |
| CN106253530A (en) * | 2016-09-04 | 2016-12-21 | 华中科技大学 | A kind of across two tooth concentratred winding vernier magnetoes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108092472A (en) | 2018-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5533913B2 (en) | Rotating electric machine stator | |
| CN101809847A (en) | Axial gap type coreless rotating machine | |
| JPH08205503A (en) | Method and structure for winding up starter blank slot of permanent magnet brushless motor | |
| CN106469963B (en) | Winding method for even number of slot stators of permanent magnet brushless motor | |
| CN108092472B (en) | Winding method for stator of permanent magnet motor with 9-slot 4-pole unit motor | |
| CN107017710A (en) | The stator of compressor, magneto, the winding method of compressor and stator coil | |
| CN103762798B (en) | Method for winding coil of three-phase motor | |
| CN108566010A (en) | A kind of multipole hollow-cup motor loop construction and its winding method | |
| CN104917307A (en) | Unit magnetic pole combination stator motor | |
| CN103401381B (en) | For method for winding and the structure thereof of the permanent magnet brush motor of six groove four poles | |
| CN207573121U (en) | A kind of 9 slot centralization winding brushless direct current permanent magnet motor of 6 pole | |
| EP2720354B1 (en) | Electrical machine, particularly a permanent magnet motor, and a method to provide the electrical windings thereof | |
| CN101159403A (en) | Equal circle type single-phase winding of intermediate frequency permanent magnet generator | |
| CN101958625A (en) | Brush motor | |
| CN114785017A (en) | Flat copper wire wave winding armature winding for three-phase motor and winding method thereof | |
| KR101475469B1 (en) | A motor coil winding method consisting of a concentrated winding | |
| CN106856388A (en) | Permanent-magnet brushless DC electric machine Hall orientation method based on counter electromotive force numerical computations | |
| CN203788113U (en) | Winding mechanism for six-groove four-pole permanent-magnetism brush motor | |
| CN112865378B (en) | Three-phase motor winding structure and motor | |
| CN102142723A (en) | Motor stator used for electrombile and half-turn winding method of motor stator winding | |
| CN110855044A (en) | 3-pair-pole 6-layer flat copper wire winding structure and motor applying same | |
| CN211830378U (en) | Six-phase rectifier generator winding embedded wire structure | |
| CN212085913U (en) | Motor stator and motor | |
| CN212114942U (en) | Motor stator and motor | |
| CN204205738U (en) | Split type stator structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |