CN103532266A - Stator with concentric winding - Google Patents
Stator with concentric winding Download PDFInfo
- Publication number
- CN103532266A CN103532266A CN201310483035.0A CN201310483035A CN103532266A CN 103532266 A CN103532266 A CN 103532266A CN 201310483035 A CN201310483035 A CN 201310483035A CN 103532266 A CN103532266 A CN 103532266A
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- tooth
- winding
- stator
- straight
- coil
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- 238000004804 winding Methods 0.000 title claims abstract description 119
- 238000005452 bending Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 abstract description 3
- 238000004080 punching Methods 0.000 description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The invention provides a stator with concentric windings, which comprises a stator core and coil windings, wherein a tooth part of the stator core is detachably connected with a yoke part, the yoke part is positioned on the periphery of the tooth part, and a round hole is formed in the middle of the tooth part; the tooth part comprises a plurality of straight teeth and bent teeth which are arranged in a circular ring shape, and a winding groove is formed between the teeth; more than two bent teeth with the same direction are arranged between two adjacent straight teeth, and the directions of the bent teeth on two sides of each straight tooth are opposite. The invention optimizes the tooth shape of the existing stator core, namely optimizes the size structure of the winding slot, determines the position of the winding by the shape of the tooth and the arrangement sequence of the tooth, improves the slot area utilization rate of the winding slot, reduces the winding difficulty, reduces the length of the coil conductor, reduces the end loss of the motor coil, improves the service life and the reliability of the motor, reduces the cost of the motor, ensures more reasonable design, improves the performance of the motor and has high automation degree.
Description
Technical field
The present invention relates to a kind of stator, especially a kind of stator of Concentrical winding.
Background technology
Motor is widely used in the various electric equipments of industrial production and life, and existing motor has stator and rotor, and armature spindle is arranged in rotor and with the rotation of rotor and rotates, and outputting power thus.
Referring to Fig. 1, more existing motors have the housing being comprised of end cap 11,12, and stator 15 and rotor 18 are installed in housing, and stator 15 has stator core 16 and is wound on the coil 17 on stator core 16.Rotor 18 is arranged in stator 15, and can be with respect to stator 15 rotations.Armature spindle 19 is arranged in rotor 18, and with rotor 18 interference fit, armature spindle 19 rotates under the drive of rotor 18, thus outside outputting power.
Traditional motor stator winding form as shown in Figure 3, in rule or when coiling, are from notch lambda line, winding divides interior winding and outer winding, when rule or coiling, adjacent two phase windings are distributed on same circumference, a necessary phase winding is across another phase winding, adjacent two phase windings are spatially overlapping, cause some or most of groove area to use, and in, the small coil of outer winding is distributed in same winding slot, during rule, more easily hinder winding, cause two winding inter-turns, withstand voltage fraction defective increases, in, the great circle span of outer winding is too far away, after meeting adjacent two-phase winding inserting, at iron core notch position, there are enough spaces of dodging, two winding coil length lengthen, the consumption that is to say line enamelled wire increases, when coiling winding and rule, increased difficulty, embed winding rearward end high, end wear is high, cost increases, electric efficiency is low.
Summary of the invention
Technical problem to be solved by this invention is the defect for prior art, according to winding arrangement mode, change coiling odontoid, a kind of stator core of optimizing flute profile size is provided, by the shape of tooth, decides the position of winding, improve the usable floor area of flute profile, reduce the length of coil windings conductor, reduce motor end wear, cost-saving, improve automaticity.
For solving the problems of the technologies described above, the present invention has adopted following technical scheme: the stator that designs a kind of Concentrical winding, comprise stator core and coil windings, the tooth portion of wherein said stator core forms dismountable connection with yoke portion, described yoke portion is positioned at the periphery of described tooth portion, and the middle part of described tooth portion is formed with circular hole; Described tooth portion comprises several straight-tooth and the crooked tooth that is circular arrangement, between tooth and tooth, forms winding slot; Wherein, have two identical crooked teeth of above sensing between adjacent two straight-tooth, the sensing of the crooked tooth of each straight-tooth both sides is contrary.
From such scheme, the present invention has optimized the profile of tooth of existing stator core, has optimized the dimensional structure of winding slot, with shape and the putting in order of tooth of tooth, decide the position of winding, the groove area utilization rate that has improved winding slot, has reduced coiling difficulty, has reduced the length of coil-conductor, reduced the end wear of motor coil, improve the life and reliability of motor, reduce the cost of motor, make design more reasonable, improved motor performance, automaticity is high.The present invention by arranging two identical crooked teeth of above sensing between adjacent two straight-tooth, and the sensing of the crooked tooth of each straight-tooth both sides is contrary, thereby can realize the coiling of two or more Concentrical winding stators.
Preferably, described crooked tooth is " 7 " font, at the bottom of comprising tenon, ,Nei winding section, outer winding section and the tooth that is positioned at outer end, the outer end of outer winding section is connected with tenon, the inner of outer winding section is connected with the outer end of interior winding section, the inner of interior winding section is connected with the rear end at the bottom of tooth, and interior winding section is towards the rear extreme direction bending at the bottom of tooth and have angle with outer winding section shape.By adopting said structure, when coiling, can make coil close from trend stator inner circle, winding displacement is tightr, facilitates coiling, improves automaticity.
Preferably, described coil windings comprises exterior loop winding and interior loop winding, and wherein exterior loop winding and interior loop winding respectively have four groups, and every group of coil windings forms by large small coil, and large coil is crossed over six winding slots, and small coil is crossed over four winding slots; The large small coil of exterior loop winding around its around the outer winding section of crooked tooth of straight-tooth both sides on, the large small coil of interior loop winding around its around the interior winding section of crooked tooth of straight-tooth both sides on.
Accompanying drawing explanation
Fig. 1 is the cutaway view of existing a kind of motor.
Fig. 2 is the structure enlarged drawing of existing a kind of stator punching.
Fig. 3 is the structure enlarged drawing that existing stator core is wound with coil.
Fig. 4 is the axial view of a kind of stator of the present invention.
Fig. 5 is the stereogram of the stator iron core tooth portion of stator shown in Fig. 4.
Fig. 6 is the stereogram of the stator core yoke portion of stator shown in Fig. 4.
Fig. 7 is the tooth row cloth structural representation of the portion of stator iron core tooth shown in Fig. 5.
Fig. 8 is the tooth portion ring type punching plane graph of the portion of stator iron core tooth shown in Fig. 5.
Fig. 9 is the plane graph of the crooked tooth of the portion of stator iron core tooth shown in Fig. 5.
Embodiment
As shown in Figure 4, a kind of embodiment of the present invention is 4 utmost point 24 groove Concentrical winding stators, comprise stator core 60, exterior loop winding 41 and interior loop winding 42, wherein stator core 60 is tooth yoke separate type stator core, by the tooth portion 47 removably connecting, formed with yoke portion 45, circular yoke portion 45 is positioned at the periphery of tooth portion 47, and tooth portion 47 is positioned at the inner side of yoke portion 45.The middle part of tooth portion 47 is provided with a circular hole 43, and rotor can be arranged in circular hole 43.In tooth portion 47, can overlap insulating case or injection moulding insulating case, to avoid coil windings to contact with tooth portion 47.While manufacturing stator, can first directly with spooling equipment, coil windings be wound on after tooth portion 47, then the tooth portion 47 that is wound with coil windings is contained in yoke portion 45, to reduce the difficulty of coiling, improve the coiling efficiency of coil windings.
As shown in Figure 5 and Figure 6, the tooth portion 47 of stator core 60 is overrided to form by the identical stator punching of multi-disc shape respectively with yoke portion 45, and stator punching is to be stamped to form by silicon steel sheet.The inwall of yoke portion 45 is provided with a plurality of grooves 46, and tooth portion 47 has a plurality of teeth 48, and tooth 48 comprises that several straight-tooth 481 are the crooked tooth 482 of " 7 " font with several, form winding slot 44 between tooth and tooth.The outer end of each tooth 48 is provided with tenon 49.When tooth portion 47 is installed to yoke portion 45, tenon 49 coordinates with groove 46, realizes being fixedly connected with of tooth portion 47 and yoke portion 45.
As shown in Figure 7, straight-tooth 481 is the circular circumference that surrounds with crooked tooth 482.As Fig. 9, the crooked shape of tooth 482 and the shape of human body lower limbs are similar, comprise at the bottom of tenon 49, outer winding section 4821, winding section 4822 and the tooth that is positioned at outer end 4823, the outer end of outer winding section 4821 is connected with tenon 49, the inner of outer winding section 4821 is connected with the outer end of interior winding section 4822, and the inner of interior winding section 4822 is connected with 4823 rear end at the bottom of tooth.Interior winding section 4822 towards 4823 rear extreme direction bending at the bottom of tooth and with outer winding section 4821 shape α at a certain angle.According to the quantity of concentric coil winding, between adjacent two straight-tooth 481, there are two and point to identical crooked tooth 482, the sensing of the crooked tooth 482 of each straight-tooth 481 both sides is contrary.Here the sensing of said crooked tooth 482, refers to the direction of pointing to front end from 4823 rear end at the bottom of the tooth of crooked tooth 482.
As shown in Figure 8, a kind of tooth portion ring type punching 50 that some straight-tooth 481 and some crooked teeth 482 are linked together in the mode of bridge joint is set again, between tooth and tooth, inner annulus notch does not disconnect completely, the shape of the tooth of tooth portion ring type punching 50 with put in order identical with set stator profile of tooth, the ring type punching 50 of tooth portion is overlapped completely with stator teeth shown in Fig. 7, and tooth portion ring type punching 50 stacks formation stator teeth 47 as shown in Figure 5 with the tooth shown in Fig. 7.The connected mode of tooth portion ring type punching 50 in stator core of the present invention can be divided into previous-next connect, on-in-lower connect and alternative expression connects.
In the stator shown in Fig. 4, exterior loop winding 41 is wound on the bottom of the winding slot 44 of stator core 60, from the axis of stator core 60 away from.Interior loop winding 42 is wound on winding slot 44 near the position of notch, from the axis of stator core 60 close to.Exterior loop winding 41 and interior loop winding 42 have respectively 4 utmost points, have four groups of exterior loop windings 41 and four groups of interior loop windings 42, and wherein every group of coil windings forms by large small coil, and large coil is crossed over six winding slots 44, and small coil is crossed over four winding slots 44.The large small coil of exterior loop winding 41 around its around the outer winding section 4821 of crooked tooth 482 of straight-tooth 481 both sides on, the large small coil of interior loop winding 42 around its around the interior winding section 4822 of crooked tooth 482 of straight-tooth 481 both sides on.
The straight-tooth 481 of said stator iron core and the arrangement mode of crooked tooth 482 can be determined according to the coil number of Concentrical winding, if adopt 2 utmost point 24 groove Concentrical winding stators of two concentric coils, the arrangement mode of straight-tooth and crooked tooth should point to identical crooked tooth 482 for arrange three between adjacent two straight-tooth 481, the sensing of the crooked tooth 482 of each straight-tooth 481 both sides is contrary, and the rest may be inferred.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, and these all belong to protection scope of the present invention.
Claims (3)
1. the stator of Concentrical winding, comprises stator core and coil windings, and the tooth portion of wherein said stator core forms dismountable connection with yoke portion, and described yoke portion is positioned at the periphery of described tooth portion, and the middle part of described tooth portion is formed with circular hole; Described tooth portion comprises several straight-tooth and the crooked tooth that is circular arrangement, between tooth and tooth, forms winding slot; It is characterized in that: between adjacent two straight-tooth, have two identical crooked teeth of above sensing, the sensing of the crooked tooth of each straight-tooth both sides is contrary.
2. the stator of Concentrical winding according to claim 1, it is characterized in that: described crooked tooth is " 7 " font, at the bottom of comprising tenon, ,Nei winding section, outer winding section and the tooth that is positioned at outer end, the outer end of outer winding section is connected with tenon, the inner of outer winding section is connected with the outer end of interior winding section, the inner of interior winding section is connected with the rear end at the bottom of tooth, and interior winding section is towards the rear extreme direction bending at the bottom of tooth and have angle with outer winding section shape.
3. the stator of Concentrical winding according to claim 2, it is characterized in that: described coil windings comprises exterior loop winding and interior loop winding, wherein exterior loop winding and interior loop winding respectively have four groups, every group of coil windings forms by large small coil, large coil is crossed over six winding slots, and small coil is crossed over four winding slots; The large small coil of exterior loop winding around its around the outer winding section of crooked tooth of straight-tooth both sides on, the large small coil of interior loop winding around its around the interior winding section of crooked tooth of straight-tooth both sides on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310483035.0A CN103532266A (en) | 2013-10-15 | 2013-10-15 | Stator with concentric winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310483035.0A CN103532266A (en) | 2013-10-15 | 2013-10-15 | Stator with concentric winding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103532266A true CN103532266A (en) | 2014-01-22 |
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ID=49934050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310483035.0A Pending CN103532266A (en) | 2013-10-15 | 2013-10-15 | Stator with concentric winding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103532266A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936233A (en) * | 2015-12-31 | 2017-07-07 | 中山大洋电机股份有限公司 | Stator punching, stator module and external rotor electric machine |
| CN108847727A (en) * | 2018-09-03 | 2018-11-20 | 珠海诺凯电机有限公司 | Centralized motor stator, motor and centralized motor stator winding method |
| CN109274189A (en) * | 2018-12-05 | 2019-01-25 | 浙江台运汽车科技有限公司 | The stator winding structure of axial-flux electric machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06205552A (en) * | 1992-12-28 | 1994-07-22 | Toshiba Corp | Stator of motor |
| CN102025248A (en) * | 2009-09-18 | 2011-04-20 | 德昌电机(深圳)有限公司 | Motor used for power system of electric vehicle |
| CN103259377A (en) * | 2013-01-07 | 2013-08-21 | 广东威灵电机制造有限公司 | Manufacturing method of stator |
| CN203562851U (en) * | 2013-10-15 | 2014-04-23 | 珠海凯邦电机制造有限公司 | Stator with concentric winding |
-
2013
- 2013-10-15 CN CN201310483035.0A patent/CN103532266A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06205552A (en) * | 1992-12-28 | 1994-07-22 | Toshiba Corp | Stator of motor |
| CN102025248A (en) * | 2009-09-18 | 2011-04-20 | 德昌电机(深圳)有限公司 | Motor used for power system of electric vehicle |
| CN103259377A (en) * | 2013-01-07 | 2013-08-21 | 广东威灵电机制造有限公司 | Manufacturing method of stator |
| CN203562851U (en) * | 2013-10-15 | 2014-04-23 | 珠海凯邦电机制造有限公司 | Stator with concentric winding |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936233A (en) * | 2015-12-31 | 2017-07-07 | 中山大洋电机股份有限公司 | Stator punching, stator module and external rotor electric machine |
| CN106936233B (en) * | 2015-12-31 | 2020-01-03 | 中山大洋电机股份有限公司 | Stator module and external rotor motor |
| CN108847727A (en) * | 2018-09-03 | 2018-11-20 | 珠海诺凯电机有限公司 | Centralized motor stator, motor and centralized motor stator winding method |
| CN109274189A (en) * | 2018-12-05 | 2019-01-25 | 浙江台运汽车科技有限公司 | The stator winding structure of axial-flux electric machine |
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| PB01 | Publication | ||
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Application publication date: 20140122 |