CN102386729B - Coiling method of motor winding and motor - Google Patents
Coiling method of motor winding and motor Download PDFInfo
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- CN102386729B CN102386729B CN 201010274775 CN201010274775A CN102386729B CN 102386729 B CN102386729 B CN 102386729B CN 201010274775 CN201010274775 CN 201010274775 CN 201010274775 A CN201010274775 A CN 201010274775A CN 102386729 B CN102386729 B CN 102386729B
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Abstract
The invention provides a coiling method of motor winding, which comprises the steps of: 1, leading the initial end of first phase winding coiling to stride over M stator slots along with a preset direction from a preset stator slot of a stator core, and coiling N1 circles along with the preset direction, so that a first coil is formed; 2, continuously striding over the M stator slots along with the striding direction of the stator slots in the step 1 from the tail end of the coil formed in the step 1, and coiling N2 circles along with the direction which is opposite to the coil coiling direction in the step 1, so that a second coil is formed; 3, continuously striding over the M stator slots along with the striding direction of the stator slots in the step 2 from the tail end of the coil formed in the step 2, and coiling N1 circles along with the direction which is opposite to the coil coiling direction in the step 2, so that a third coil is formed; and 4, repeatedly performing the step 2 and the step 3 till than the preset coiling circles on the stator slots reach N1+N2 circles, and the flow path is stopped. Due to the coiling method, a connection wire at an end part is reduced, amotor is compact in structure and convenient in assembly, the heat loss of electric resistance is reduced, and the efficiency of the motor is improved.
Description
Technical field
The present invention relates to machine field, be specifically related to a kind of method for winding and motor of motor winding.
Background technology
The stator winding mode of existing motor generally have ripple around or the lap wound mode, traditional lap wound mode is to determine the number of stator slots of crossing over according to the winding number of phases and number of pole-pairs, and all the time along a direction coiling.With three phase windings, number of pole-pairs is 3, coil 1 is striden 4 and is example (as shown in Figure 1), the initial winding terminal of A phase winding from the stator slot 1 of stator core clockwise around to stator slot 4, repeat after the intact required number of turn, lead-out wire along equidirectional from stator slot 7 clockwise around to stator slot 10, repeat again after the intact identical number of turn, lead-out wire along equidirectional from stator slot 13 clockwise around to stator slot 16, as cocycle, behind the stator slot of complete stator core, draw coiling A ' up to evenly and at intervals, namely finish the coiling of A phase winding.In like manner, B phase winding and C phase winding are with the winding method of A phase winding.As can be seen from Figure 1, when coiling whenever carries out the transition to the coiling of another coil from the coiling of a coil, all can leave one section end winding connecting line, i.e. transition wire, like this, along with the increase of coil quantity, the end winding connecting line is also more many, not only makes electric machine structure be difficult to satisfy the motor matching requirements, be not easy to the machine coiling, and coiling increase coiling, make that the electric current under the same voltage is less, correspondingly reduced the operating efficiency of motor winding.
Summary of the invention
The present invention is for solving existing motor winding along folk prescription to coiling, cause end winding too big, be not easy to the motor assembling, and cause the technical problem of coiling waste, provide a kind of electric machine structure compactness, method for winding and the motor being convenient to the machine coiling and saving the motor winding of coiling.
The invention provides a kind of method for winding of motor winding, may further comprise the steps:
Step 1: the initiating terminal of first phase winding coiling is striden M stator slot and formed first coil along preset direction coiling N1 circle along preset direction from the pilot trench that presets of stator core, and described M is more than or equal to 1;
Step 2: the direction that the coil end that forms from previous step is striden stator slot along previous step continues to stride M stator slot and forms second coil along the rightabout of the previous step coil-winding N2 circle that winds the line;
Step 3: the direction that the coil end that forms from previous step is striden stator slot along previous step continues to stride M stator slot and along the rightabout coiling N1 circle formation tertiary coil of previous step coil-winding;
Step 4: repeated execution of steps two and three, when the number of turns on presetting pilot trench reached the N1+N2 circle, flow process finished.
The present invention also provides a kind of motor, and this motor comprises the winding by the coiling of above-mentioned motor winding method for winding.
From technical scheme of the present invention as can be seen, by with the coiling of prior motor winding all the time along single direction to each stator slot around the N circle, change into towards a direction around the N1 circle, then in the opposite direction around the N2 circle, the total number of turns N=N1+N2 of each stator slot that had both satisfied winding is constant, also make the end winding connecting line more even in the distribution of stator core circumferencial direction, so not only make the electric machine structure compactness, be convenient to the motor assembling, and the end connecting line owing to having reduced between the adjacent windings has correspondingly reduced resistance, therefore reduce the energy consumption that resistance heating causes, improved electric efficiency.
Description of drawings
Fig. 1 is the coiling expanded view of prior art three phase electric machine winding;
The coiling expanded view of the monophase machine winding that Fig. 2 provides for one embodiment of the invention.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
The present invention is a kind of improvement to traditional lap wound winding mode of prior art motor winding, the coiling that is about to the prior motor winding all the time along single direction to each stator slot around the N circle, change into towards a direction around the N1 circle, do not needing to draw under the situation of end connecting line, directly in the opposite direction around the N2 circle, make that the coiling total number of turns N=N1+N2 of each stator slot is constant, the coiling of motor winding of the present invention specifically may further comprise the steps:
Step 1: the initiating terminal of first phase winding coiling is striden M stator slot and formed first coil along preset direction coiling N1 circle along preset direction from the pilot trench that presets of stator core, above-mentioned M is more than or equal to 1, and the value of M can determine according to the number of phases or designer's needs of winding;
Step 2: the direction that the coil end that forms from previous step is striden stator slot along previous step continues to stride M stator slot and forms second coil along the rightabout of the previous step coil-winding N2 circle that winds the line;
Step 3: the direction that the coil end that forms from previous step is striden stator slot along previous step continues to stride M stator slot and along the rightabout coiling N1 circle formation tertiary coil of previous step coil-winding;
Step 4: repeated execution of steps two and three, when the number of turns on presetting pilot trench reached the N1+N2 circle, flow process finished.
The above-mentioned pilot trench that presets can be arbitrary stator slot on the stator core, and namely the initiating terminal of winding can begin coiling from any stator slot of stator core.
Described preset direction is clockwise direction or counter clockwise direction.
By said method of the present invention, having solved the motor winding causes the end connecting line too concentrated along the single direction coiling all the time, skewness, can not effectively utilize the stator core end space and cause the end winding size big, be difficult to satisfy the drawback of motor matching requirements, method for winding of the present invention has disperseed the end connecting line greatly, so not only make the electric machine structure compactness, be convenient to the motor assembling, and, owing to reduced the end connecting line of adjacent windings, correspondingly reduced resistance, therefore reduce the energy consumption that the heating of resistance causes, improved electric efficiency.
Fig. 1 is the coiling expanded view of prior art three phase electric machine winding, consults Fig. 1 as can be known, is wound with three phase windings on the stator core of motor, and number of pole-pairs is 3, and coil 1 is striden 4 and is example, and existing is example with the A phase winding, describes its method for winding in detail.The coiling of the initiating terminal of A phase winding from the stator slot 1 of stator core clockwise around to stator slot 4, repeat after the intact required number of turn, lead-out wire along equidirectional from stator slot 7 clockwise around to stator slot 10, repeat again after the intact identical number of turn, lead-out wire along equidirectional from stator slot 13 clockwise around to stator slot 16, as cocycle, behind the stator slot of complete stator core, draw coiling A ' up to evenly and at intervals, namely finish the coiling of A phase winding, the winding method of B phase winding and C phase winding is identical with A phase winding winding method, at this repeated description not.As from the foregoing, three stator slots of being separated by between the adjacent coiling of each phase winding, i.e. coiling whenever from a coil around to its adjacent coil the time, all can leave one section end winding connecting line, like this, along with the increase of coil quantity, the end winding connecting line is also more many, not only makes electric machine structure be difficult to satisfy the motor matching requirements, be not easy to the machine coiling, and because increasing of coiling makes that the electric current under the same voltage has reduced, correspondingly reduced the operating efficiency of motor winding.
The coiling expanded view of the monophase machine winding that Fig. 2 provides for one embodiment of the invention, consult Fig. 2, the initiating terminal of A phase winding is striden stator slot 4 coiling N1 circles from stator slot 1 along clockwise direction and is formed first coil, first coil is after finishing, coiling continues to stride stator slot 7 and forms second coil along opposite direction (counterclockwise) the coiling N2 circle of first coil since the end of first coil from stator slot 4, second coil is after finishing, coiling continues to stride stator slot 10 along opposite direction (clockwise) the coiling N1 circle formation tertiary coil of second coil since the end of second coil from stator slot 7, tertiary coil is after finishing, coiling begins to stride stator slot 13 from stator slot 10 from the end of tertiary coil and forms the 4th coil along opposite direction (counterclockwise) the coiling N1 circle of tertiary coil, the 5th coil and the 6th coil also wind the line with reference to the method for winding of above-mentioned coil, namely the end from a last coil continues to stride 3 stator slots along the rightabout coiling of a last coil, rap around to stator slot 1 again until at last, draw coiling A ' behind intact N2 circle, i.e. A phase winding coiling is finished.Each coil-winding number of turn of above A phase winding need satisfy following requirement, and when a last coil-winding N2 circle, then this coil is around the N1 circle; When a last coil during around the N1 circle, this coil is around the N2 circle, be one of them coil of above-mentioned adjacent windings around the N2 circle, another coil is around N1, perhaps a coil is around the N1 circle, another coil is around N2, after making that like this adjacent windings coiling finishes, the number of turns N=N2+N1 circle of adjacent windings stator common groove, initial stator slot and terminal stator slot share a stator slot (shown in the stator slot 1 of Fig. 2), the number of turn of this stator slot is the N=N2+N1 circle also, satisfies design requirement.Wherein the number of turn of N can be decided according to the needs of motor winding design, for example can be 18 circles, 20 circles etc.
The coiled wire-wound coil of A phase winding is six in above-described embodiment, but the method for winding of motor winding of the present invention do not limit for the coiled wire-wound coil of A phase winding, can be greater than or less than six coils, but its method for winding should be identical with the method for winding of above-described embodiment.
In concrete the enforcement, the method for winding of motor winding of the present invention also can be suitable for three phase windings, Fig. 2 only shows the winding method of single-phase winding (the A phase winding is example), and the method for the winding method of B phase winding and C phase winding and A phase winding is basic identical, just the initial wound stator groove of B phase winding and C phase winding successively at interval, for example the A phase winding begins coiling from stator slot 1, and the B phase winding then begins coiling from stator slot 3, and the C phase winding then begins coiling from stator slot 5.
In above-described embodiment, first coil of A phase winding is striden stator slot 4 coilings from stator slot 1, stride stator slot 7 coilings etc. from stator slot 4 again, as seen each coil is to stride 3 stator slot coilings, but in concrete the enforcement, the groove number that coil is striden is not limited to 3, can determine according to the number of phases or designer's needs of winding, for example, for single-phase winding, the groove number that coil is striden can be 1, more than 2 or 3, but for three phase windings, in order to satisfy the requirement that arranges of three phase windings, then the coil groove number of striding may need more than 3 and 3.
The present invention further optimization scheme is: when the number of turn N of each stator slot of first phase winding is even number, and N1=N2, and N=N1+N2; When the number of turn N of each stator slot of first phase winding is odd number, N1=N2+1 or N1=N2-1, and N=N1+N2.For example when N=18, N1=N2=9, when N=19, N1=9, N2=10 or N1=10, N2=9, it is more even to guarantee that like this end winding distributes, and makes the end compactness, and it is littler that size can be accomplished, with the matching requirements of the motor that satisfies compact conformation.Wherein, the N number of turn of each stator slot is determined by the requirement of motor, can design voluntarily as required.
The present invention also provides a kind of motor of winding of the method for winding coiling with above-mentioned motor winding.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the method for winding of a motor winding is characterized in that, comprising:
Step 1: the initiating terminal of first phase winding coiling is striden M stator slot and formed first coil along preset direction coiling N1 circle along preset direction from the pilot trench that presets of stator core, and described M is more than or equal to 1;
Step 2: the direction that the coil end that forms from previous step is striden stator slot along previous step continues to stride M stator slot and forms second coil along the rightabout of the previous step coil-winding N2 circle that winds the line;
Step 3: the direction that the coil end that forms from previous step is striden stator slot along previous step continues to stride M stator slot and along the rightabout coiling N1 circle formation tertiary coil of previous step coil-winding;
Step 4: repeated execution of steps two and three, when the number of turns on presetting pilot trench reached the N1+N2 circle, flow process finished.
2. the method for winding of motor winding according to claim 1 is characterized in that, when the number of turn N of each stator slot of first phase winding is even number, and N1=N2, and N=N1+N2.
3. the method for winding of motor winding according to claim 1 is characterized in that, when the number of turn N of each stator slot of first phase winding is odd number, and N1=N2+1 or N1=N2-1, and N=N1+N2.
4. according to the method for winding of claim 1,2 or 3 described motor windings, it is characterized in that when motor was three phase windings, the method for winding of second phase winding and third phase winding was identical with the method for winding of first phase winding.
5. according to the method for winding of claim 1,2 or 3 described motor windings, it is characterized in that the described pilot trench that presets is arbitrary stator slot on the stator core.
6. according to the method for winding of claim 1,2 or 3 described motor windings, it is characterized in that described preset direction is clockwise direction or counter clockwise direction.
7. a motor is characterized in that, described motor comprises the winding by the method for winding coiling of each described motor winding in the aforesaid right requirement 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010274775 CN102386729B (en) | 2010-08-30 | 2010-08-30 | Coiling method of motor winding and motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010274775 CN102386729B (en) | 2010-08-30 | 2010-08-30 | Coiling method of motor winding and motor |
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| CN102386729A CN102386729A (en) | 2012-03-21 |
| CN102386729B true CN102386729B (en) | 2013-10-02 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810994A (en) * | 2014-01-25 | 2015-07-29 | 嵊州市精达电机有限公司 | Coiling method of motor stator winding |
| CN106856359A (en) * | 2015-12-09 | 2017-06-16 | 上海日立电器有限公司 | One kind distribution coiling electric motor |
| CN106936287A (en) * | 2015-12-30 | 2017-07-07 | 上海鸣志电器股份有限公司 | A kind of three-phase stepper motor |
| CN106451837B (en) * | 2016-10-29 | 2019-05-21 | 无锡岚凌卓维动力科技有限公司 | Permanent magnet generator stator structure |
| CN110971040B (en) * | 2018-09-28 | 2021-09-03 | 比亚迪股份有限公司 | Stator assembly and motor with same |
| CN112821704B (en) * | 2021-01-06 | 2023-09-26 | 白贺冰 | Phase-band-free motor |
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86202001U (en) * | 1986-04-10 | 1988-03-02 | 颜仲愚 | Autoexcitation saddle-type harmonic-component winding of synchronous generator |
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2010
- 2010-08-30 CN CN 201010274775 patent/CN102386729B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86202001U (en) * | 1986-04-10 | 1988-03-02 | 颜仲愚 | Autoexcitation saddle-type harmonic-component winding of synchronous generator |
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Effective date of registration: 20170321 Address after: 310000 Hangzhou, Zhejiang Renhe street, Yuhang District Road No. 99 Patentee after: West Lake Hangzhou BYD New Energy Automobile Co., Ltd. Address before: BYD 518118 Shenzhen Road, Guangdong province Pingshan New District No. 3009 Patentee before: Biyadi Co., Ltd. |
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