CN205453322U - Stator is towards piece, stator module and external rotor electric machine - Google Patents
Stator is towards piece, stator module and external rotor electric machine Download PDFInfo
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- CN205453322U CN205453322U CN201521080324.7U CN201521080324U CN205453322U CN 205453322 U CN205453322 U CN 205453322U CN 201521080324 U CN201521080324 U CN 201521080324U CN 205453322 U CN205453322 U CN 205453322U
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- line embedding
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Abstract
The utility model discloses a stator is towards piece, stator module and external rotor electric machine, the stator include annular yoke portion and a plurality of first tooth portion and the second tooth portion of stretching out outside toward from annular yoke portion outside edge towards the piece, first tooth portion and second tooth portion circumference in turn arrange, second tooth portion includes public tooth root portion, from past 4 the at least dogtooths that stretch out outward of public tooth root portion, formation phase 1 enzyme rule groove between 2 adjacent dogtooths, formation phase 2 enzyme rule groove between adjacent second tooth portion and the first tooth portion, phase 1 enzyme rule groove along the stator towards the degree of depth of the radial direction of piece shallow in the degree of depth of phase 2 enzyme rule groove along the stator towards the radial direction of piece, its performance that can improve the motor.
Description
Technical field:
This utility model relates to a kind of stator punching, stator module and external rotor electric machine, belongs to technical field of motors.
Background technology:
Current motor, such as plastic packaging external rotor electric machine, it includes plastic packaging stator and rotor.Wherein plastic packaging stator includes the stator core being overrided to form by some stator punchings and the main coil winding being set around on stator core and secondary coil winding.
Stator punching of the prior art, the conventional structure of its model is each line embedding groove size, shape is identical and is distributed on periphery.Although this structure simple in construction, being easy to Mold Making, but coiling winding displacement is inconvenient, winding terminal minister and height, causes motor material to consume many, cost height.It is additionally, since line embedding groove and is all located at outside so that teeth portion is narrower, causes stator tooth magnetic close higher, thus have impact on motor performance and efficiency.
Summary of the invention:
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of stator punching, stator module and external rotor electric machine, it can improve the performance of motor.
The purpose of this utility model is achieved by following technical proposals.
A kind of stator punching, including ring-shaped yoke portion and from ring-shaped yoke portion outer ledge toward some first teeth portion of overhanging and the second teeth portion, first teeth portion and the second teeth portion replace circumferential array, second teeth portion includes public root portion, from public root portion toward at least 4 double wedges overhanging, the first phase line embedding groove is formed between 2 adjacent double wedges, forming the second phase line embedding groove between the second adjacent teeth portion and the first teeth portion, described first phase line embedding groove is shallower than the described second phase line embedding groove degree of depth along stator punching radial direction along the degree of depth of stator punching radial direction.
Above-mentioned quantity from public root portion toward the double wedge overhang is 5, including the first left curved tooth, the second left curved tooth, straight-tooth, the first right curved tooth and the second right curved tooth, first left curved tooth and the first right curved tooth are symmetrical relative to straight-tooth, and the second left curved tooth and the second right curved tooth are symmetrical relative to straight-tooth.
Above-mentioned first teeth portion is 6 with the quantity of the second teeth portion.
A kind of stator module, including stator core, overhang insulation, the first phase winding and the second phase winding, overhang insulation is arranged on the end face of stator core, described stator core is overrided to form by some stator punchings as described above, first phase winding is placed in inside the first phase line embedding groove, and the second phase winding is placed in inside the second phase line embedding groove.
Above-mentioned first phase winding includes organizing circumferentially spaced coil more, many group coils are connected in turn, often group coil includes some circle first coils and some circles the second coil, and first coil is placed in inside different first phase line embedding groove and staggered lap wound from the second coil.
The quantity of above-mentioned first phase line embedding groove is 24, and the quantity of described second phase line embedding groove is 12.
Above-mentioned first coil is equal with the span of the second coil, and first coil and the second coil are crossed over 1 the first phase line embedding groove respectively and stride across 1 the first teeth portion.
Above-mentioned being provided with some arc convex on the end face of overhang insulation, arc convex is for separating the first coil in every group coil and the second coil.
Above-mentioned first phase winding refers to that main winding, described second phase winding refer to auxiliary winding.
A kind of external rotor electric machine, including rotating shaft, plastic packaging stator and outer rotor, outer rotor is sheathed on outside plastic packaging stator, rotating shaft is arranged in the middle of plastic packaging stator and links together with outer rotor, described plastic packaging stator includes stator module and plastic-sealed body, stator module and plastic-sealed body connect to one, and described stator module is above-mentioned described stator module.
This utility model compared with prior art, has the effect that
1) the second teeth portion includes public root portion, toward at least 4 double wedges overhang from public root portion, the first phase line embedding groove is formed between 2 adjacent double wedges, the second phase line embedding groove is formed between the second adjacent teeth portion and the first teeth portion, described first phase line embedding groove is shallower than the described second phase line embedding groove degree of depth along stator punching radial direction along the degree of depth of stator punching radial direction, improve the structure of stator punching, reduce cost, and the magnetic being effectively improved stator punching is close and torque pulsation, stator punching performance is improved, electric efficiency and performance are more preferable；
2) from public root portion, the quantity of the past double wedge overhang is 5, first teeth portion is 6 with the quantity of the second teeth portion, the quantity summation of the i.e. first phase line embedding groove and the second phase line embedding groove is 36, the stator punching of 36 groove structures is compared with the stator punching of 24 groove structures, magnetic is close and torque pulsation performance is the most excellent, and coiling winding displacement is convenient, winding overhang is short, effectively reduce the consumption of motor material；
3) the first phase winding is placed in inside the first phase line embedding groove, second phase winding is placed in inside the second phase line embedding groove, first phase winding includes organizing circumferentially spaced coil more, many group coils are connected in turn, often group coil includes some circle first coils and some circles the second coil, first coil is placed in inside different first phase line embedding groove and staggered lap wound from the second coil, effectively solve a coiling difficult problem, coiling is made to become convenient, and Distribution of Magnetic Field can be made uniform, the efficiency making motor is promoted, and improves the performance of motor；
4) on the end face of overhang insulation, some arc convex it are provided with, arc convex is for separating the first coil and the second coil often organizing in coil, when after complete first coil, can be that the first phase line embedding groove vacateed by the second coil by arc convex, avoid first around first coil occupy the first phase line embedding groove, thus can facilitate the coiling of the second coil, improve the efficiency of coiling.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of stator punching in embodiment；
Fig. 2 is the axonometric chart of stator module in embodiment；
Fig. 3 is the structural representation of stator module in embodiment；
Fig. 4 is the axonometric chart of external rotor electric machine in embodiment；
Fig. 5 is the structural representation of external rotor electric machine in embodiment.
Detailed description of the invention:
Below by specific embodiment and combine accompanying drawing this utility model is described in further detail.
Embodiment one: as shown in Figure 1, the present embodiment is a kind of stator punching 1, including ring-shaped yoke portion 10 and from ring-shaped yoke portion 10 outer ledge toward some first teeth portion 11 and the second teeth portion 12 of overhanging, first teeth portion 11 and the second teeth portion 12 alternately circumferential array, second teeth portion 12 includes public root portion 121, toward at least 4 double wedges 122 overhang from public root portion 121, the first phase line embedding groove 13 is formed between 2 adjacent double wedges 122, the second phase line embedding groove 14 is formed between adjacent the second teeth portion 12 and the first teeth portion 11, described first phase line embedding groove 13 is shallower than the described second phase line embedding groove 14 degree of depth along stator punching 1 radial direction along the degree of depth of stator punching 1 radial direction.From public root portion 121, the quantity toward the double wedge 122 overhang is 5, including the first left left curved tooth 1222 of curved tooth 1221, second, the right curved tooth 1224 of straight-tooth 1223, first and the second right curved tooth 1225, first left curved tooth 1221 curved tooth 1224 right with first is symmetrical relative to straight-tooth 1223, and the second left curved tooth 1222 curved tooth 1225 right with second is symmetrical relative to straight-tooth 1223.The quantity of described first teeth portion 11 and the second teeth portion 12 is 6.
Embodiment two: as shown in Figures 2 and 3, the present embodiment is a kind of stator module, including stator core 2, overhang insulation the 3, first phase winding 4 and the second phase winding 5, overhang insulation 3 is arranged on the end face of stator core 2, described stator core 2 is overrided to form by some stator punchings 1 as described in embodiment one, no longer repeats the concrete structure of stator punching 1 at this.First phase winding 4 is placed in inside the first phase line embedding groove 13, and the second phase winding 5 is placed in inside the second phase line embedding groove 14.Described first phase winding 4 includes organizing circumferentially spaced coil 41 more, many group coils 41 are connected in turn, often group coil 41 includes some circle first coils 411 and some circles the second coil 412, and first coil 411 is placed in inside different first phase line embedding groove 13 and staggered lap wound from the second coil 412.The quantity of described first phase line embedding groove 13 is 24, and the quantity of described second phase line embedding groove 14 is 12.First coil 411 is equal with the span of the second coil 412, and first coil 411 is crossed over 1 the first phase line embedding groove 13 respectively and strides across 1 the first teeth portion 11 with the second coil 412.Being provided with some arc convex 31 on the end face of overhang insulation 3, arc convex 31 often organizes the first coil 411 in coil 41 and the second coil 412 for separating.Described first phase winding 4 refers to that main winding, described second phase winding 5 refer to auxiliary winding.
Embodiment three: as shown in Figure 4 and Figure 5, the present embodiment is a kind of external rotor electric machine, including rotating shaft 6, plastic packaging stator 7 and outer rotor 8, outer rotor 8 is sheathed on outside plastic packaging stator 7, rotating shaft 6 is arranged in the middle of plastic packaging stator 7 and links together with outer rotor 8, and described plastic packaging stator 7 includes that stator module and plastic-sealed body 71, stator module and plastic-sealed body 71 connect to one, described stator module is the stator module described in above-described embodiment two, does not repeats them here.
Above example is the better embodiment of the present invention; but embodiments of the present invention are not limited to this; the change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify; it is the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (10)
- null1. a stator punching，Including ring-shaped yoke portion (10) and from ring-shaped yoke portion (10) outer ledge toward some first teeth portion (11) of overhanging and the second teeth portion (12)，First teeth portion (11) and the second teeth portion (12) replace circumferential array，It is characterized in that: the second teeth portion (12) includes public root portion (121)、Toward at least 4 double wedges (122) overhang from public root portion (121)，The first phase line embedding groove (13) is formed between 2 adjacent double wedges (122)，The second phase line embedding groove (14) is formed between adjacent the second teeth portion (12) and the first teeth portion (11)，Described first phase line embedding groove (13) is shallower than the described second phase line embedding groove (14) degree of depth along stator punching (1) radial direction along the degree of depth of stator punching (1) radial direction.
- A kind of stator punching the most according to claim 1, it is characterized in that: from public root portion (121), the quantity toward the double wedge (122) overhang is 5, including the first left curved tooth (1221), second left curved tooth (1222), straight-tooth (1223), first right curved tooth (1224) and the second right curved tooth (1225), first left curved tooth (1221) curved tooth (1224) right with first is symmetrical relative to straight-tooth (1223), second left curved tooth (1222) curved tooth (1225) right with second is symmetrical relative to straight-tooth (1223).
- A kind of stator punching the most according to claim 1 and 2, it is characterised in that: described first teeth portion (11) is 6 with the quantity of the second teeth portion (12).
- 4. a stator module, including stator core (2), overhang insulation (3), the first phase winding (4) and the second phase winding (5), overhang insulation (3) is arranged on the end face of stator core (2), it is characterized in that: described stator core (2) is overrided to form by some stator punchings (1) as described by any one of claims 1 to 3, first phase winding (4) is placed in the first phase line embedding groove (13) the inside, and the second phase winding (5) is placed in the second phase line embedding groove (14) the inside.
- A kind of stator module the most according to claim 4, it is characterized in that: described first phase winding (4) includes organizing circumferentially spaced coil (41) more, organize coil (41) to be connected in turn more, often organizing coil (41) and include some circle first coils (411) and some circles the second coil (412), first coil (411) is placed in different first phase line embedding groove (13) the insides staggered lap wound from the second coil (412).
- A kind of stator module the most according to claim 5, it is characterised in that: the quantity of described first phase line embedding groove (13) is 24, and the quantity of described second phase line embedding groove (14) is 12.
- 7. according to a kind of stator module described in claim 5 or 6, it is characterized in that: first coil (411) is equal with the span of the second coil (412), first coil (411) is crossed over 1 the first phase line embedding groove (13) respectively and strides across 1 the first teeth portion (11) with the second coil (412).
- 8. according to a kind of stator module described in claim 5 or 6, it is characterized in that: be provided with some arc convex (31) on the end face of overhang insulation (3), arc convex (31) is used for separating the first coil (411) often organized in coil (41) and the second coil (412).
- 9. according to a kind of stator module described in claim 4 or 5 or 6, it is characterised in that: described first phase winding (4) refers to that main winding, described second phase winding (5) refer to auxiliary winding.
- 10. an external rotor electric machine, including rotating shaft (6), plastic packaging stator (7) and outer rotor (8), outer rotor (8) is sheathed on plastic packaging stator (7) outside, rotating shaft (6) is arranged in the middle of plastic packaging stator (7) and links together with outer rotor (8), described plastic packaging stator (7) includes stator module and plastic-sealed body (71), stator module and plastic-sealed body (71) connect to one, it is characterised in that: described stator module is the stator module described by any one of claim 4 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521080324.7U CN205453322U (en) | 2015-12-21 | 2015-12-21 | Stator is towards piece, stator module and external rotor electric machine |
| PCT/CN2016/075896 WO2017092191A1 (en) | 2015-12-02 | 2016-03-08 | Stator punching, stator assembly and external rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521080324.7U CN205453322U (en) | 2015-12-21 | 2015-12-21 | Stator is towards piece, stator module and external rotor electric machine |
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| Publication Number | Publication Date |
|---|---|
| CN205453322U true CN205453322U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521080324.7U Active CN205453322U (en) | 2015-12-02 | 2015-12-21 | Stator is towards piece, stator module and external rotor electric machine |
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| CN (1) | CN205453322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10886795B2 (en) | 2016-11-30 | 2021-01-05 | Hunter Fan Company | Electric motor |
-
2015
- 2015-12-21 CN CN201521080324.7U patent/CN205453322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10886795B2 (en) | 2016-11-30 | 2021-01-05 | Hunter Fan Company | Electric motor |
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