CN207069707U - A kind of stator punching and its stator module and external rotor electric machine of application - Google Patents
A kind of stator punching and its stator module and external rotor electric machine of application Download PDFInfo
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- CN207069707U CN207069707U CN201720893327.5U CN201720893327U CN207069707U CN 207069707 U CN207069707 U CN 207069707U CN 201720893327 U CN201720893327 U CN 201720893327U CN 207069707 U CN207069707 U CN 207069707U
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Abstract
The utility model discloses a kind of stator punching and its stator module and external rotor electric machine of application,Toward some first teeth portion and some second teeth portion overhang including ring-shaped yoke portion and from ring-shaped yoke portion outer ledge,First teeth portion includes the first public root portion,Toward several first double wedges overhang from the first public root portion,The first phase line embedding groove is formed between two adjacent the first double wedges,The second phase line embedding groove is formed between first teeth portion and the second teeth portion,Second teeth portion is provided with several second double wedges,Third phase line embedding groove is formed between two adjacent the second double wedges,At least one third phase line embedding groove along punching radial direction toward yoke portion in extend,It is wide to increase by the second teeth portion,Coil windings end shortens step-down,It is close to reduce stator tooth magnetic,Make Distribution of Magnetic Field uniform,The efficiency of motor is set to be lifted,Improve the performance of motor,And third phase line embedding groove along punching radial direction toward yoke portion in extend,More coil windings can be accommodated,Copper factor when improving coiling.
Description
Technical field：
It the utility model is related to a kind of stator punching and its stator module and external rotor electric machine of application.
Background technology：
Existing motor, such as plastic packaging external rotor electric machine, it includes plastic packaging stator and rotor.Wherein in plastic packaging stator
Including the stator core that is overrided to form by some stator punchings and the main coil winding being set around on stator core and secondary coil around
Group.
Stator punching of the prior art, including ring-shaped yoke portion and from ring-shaped yoke portion outer ledge toward overhang it is some
First teeth portion and some second teeth portion, the first teeth portion and the second teeth portion alternating circumferential array, it is public that first teeth portion includes first
With root portion, from the first public root portion toward several first double wedges for overhanging, two adjacent first double wedges it
Between form the first phase line embedding groove, the second phase line embedding groove is formed between first teeth portion and the second teeth portion, due to second during coiling
Phase line embedding groove is shallower, causes copper factor low, so as to influence motor performance.
The content of the invention：
The purpose of this utility model is to provide a kind of stator punching and its stator module and external rotor electric machine of application, solves
Cause copper factor low because the second phase line embedding groove is shallower during coiling in the prior art, so as to influence the technical problem of motor performance.
The purpose of this utility model is achieved by following technical proposals.
A kind of stator punching, including ring-shaped yoke portion and past some first teeth portion overhang from ring-shaped yoke portion outer ledge
With some second teeth portion, the first teeth portion and the second teeth portion alternating circumferential array, first teeth portion include the first public root portion,
Toward several first double wedges for overhanging from the first public root portion, first is formed between two adjacent first double wedges
Phase line embedding groove, the second phase line embedding groove is formed between first teeth portion and the second teeth portion, it is characterised in that：In second teeth portion
Provided with several the second double wedges, third phase line embedding groove is formed between adjacent two the second double wedges, at least one third phase is embedding
Wire casing along punching radial direction toward yoke portion in extend.
Some first double wedges are at least 3, at least provided with 3 the second double wedges in second teeth portion.
The first public root portion toward the first double wedge quantity for overhanging be 5, it is including the first left curved tooth, first left convex
Tooth, the first barrel shaped tooth, the first right double wedge and the first right curved tooth, the described first left curved tooth, the first left double wedge tooth curved with first right side, the
It is symmetrical relative to the first barrel shaped tooth between one right double wedge.
The quantity that second teeth portion is provided with the second double wedge is 3, including the second left double wedge, the second barrel shaped tooth and second are right
Double wedge, two third phase line embedding grooves along punching radial direction toward yoke portion in extend.
The second left double wedge and the second right double wedge form third phase line embedding groove between the second barrel shaped tooth respectively, and described the
Three-phase line embedding groove is deeper than the second phase line embedding groove along punching radial depth and the first phase line embedding groove along punching along punching radial depth
Radial depth.
The quantity that second teeth portion is provided with the second double wedge is 3, including the second left double wedge, the second barrel shaped tooth and second are right convex
Tooth, right third phase line embedding groove, the second left double wedge and the second convexity are formed between the second right double wedge and the second barrel shaped tooth
Left third phase line embedding groove is formed between tooth, the right third phase line embedding groove is deeper than left third phase line embedding groove edge along punching radial depth
Punching radial depth.
Second teeth portion also includes the second public tooth root, protruded outward on the second public tooth root the second left double wedge and
Second barrel shaped tooth.
A kind of stator module, including stator core, overhang insulation and coil windings, the stator core is by several stators
Punching is stacked and formed, and the overhang insulation is arranged on stator core both ends, and coil windings are on overhang insulation, the stator
Punching is stator punching described above.
The coil windings include main coil winding and secondary coil winding, and the main coil winding is placed on the first phase rule
In groove, the secondary coil winding is placed on the second phase line embedding groove and third phase line embedding groove or the second phase line embedding groove, left third phase
In line embedding groove and right third phase line embedding groove.
The coil windings radially divide four layout layers, and the main coil winding includes some groups of the first main coils and some
The second main coil of group, the secondary coil winding include some groups of the first secondary coils and some groups of the second secondary coils, described some groups
First main coil is located at outermost layer, and some groups of second main coils are located at the second layer, if some groups of first main coils and
Second main coil of dry group is arranged in adjacent two layers, and some groups of first secondary coils are located at third layer, described some groups second
Secondary coil is located at innermost layer, and some groups of the first secondary coils and some groups of the second secondary coils are arranged in adjacent two layers.
Some groups of first main coils have 4 groups, and some groups of second main coils have 4 groups, and described some groups first secondary
Coil has 4 groups, and some groups of second secondary coils have 4 groups.
A kind of external rotor electric machine, including rotating shaft, plastic packaging stator and outer rotor, outer rotor are sheathed on outside plastic packaging stator, are turned
Axle is arranged among plastic packaging stator and linked together with outer rotor, and the plastic packaging stator includes stator module and plastic-sealed body,
Stator module links integrally with plastic-sealed body, and the stator module is stator module described above.
The utility model compared with prior art, has the effect that：
1) the utility model includes ring-shaped yoke portion and from ring-shaped yoke portion outer ledge toward some first teeth portion overhang
With some second teeth portion, the first teeth portion and the second teeth portion alternating circumferential array, first teeth portion include the first public root portion,
Toward several first double wedges for overhanging from the first public root portion, first is formed between two adjacent first double wedges
Phase line embedding groove, forms the second phase line embedding groove between first teeth portion and the second teeth portion, second teeth portion is provided with several
Second double wedge, forms third phase line embedding groove between adjacent two the second double wedges, and at least one third phase line embedding groove is along punching
For radial direction toward extending in yoke portion, the second teeth portion of increase is wide, and by increasing third phase line embedding groove, third phase line embedding groove is along punching footpath
Extend in direction toward yoke portion, more coil windings can be accommodated, copper factor when improving coiling, improve the performance of motor.
2) the second left double wedge and the second right double wedge form third phase line embedding groove between the second barrel shaped tooth respectively, and the described 3rd
Phase line embedding groove is deeper than the second phase line embedding groove along punching radial depth and the first phase line embedding groove along punching footpath along punching radial depth
To depth, more coil windings can be accommodated, coil windings end is shortened step-down, it is close to reduce stator tooth magnetic, can make magnetic
Field distribution is uniform, the efficiency of motor is lifted, and improves the performance of motor；
3) the second teeth portion also includes the second public tooth root, protrudes the second left double wedge and on the second public tooth root outward
Two barrel shaped tooths, by increasing by the second public root portion so as to reduce the length of the second double wedge, strengthen the second teeth portion structural strength, prevent
Only the second teeth portion deforms, and ensures product quality.
Brief description of the drawings：
Fig. 1 is the structural representation of embodiment one；
Fig. 2 is the structural representation of embodiment two；
Fig. 3 is the schematic diagram of embodiment three；
Fig. 4 is the schematic diagram of embodiment three；
Fig. 5 is the stereogram of example IV；
Fig. 6 is the structure sectional view of example IV.
Embodiment：
The utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.
Embodiment one：
As shown in figure 1, the present embodiment is kind of a stator punching, including ring-shaped yoke portion 1 and from the outer ledge of ring-shaped yoke portion 1 it is past
Some first teeth portion 2 and some second teeth portion 3 overhang, the first teeth portion 2 and the second teeth portion 3 alternating circumferential array, described the
One teeth portion 2 includes the first public root portion 21, past several first double wedges 22 overhang from the first public root portion 21, institute
State and form the first phase line embedding groove 23 between two adjacent the first double wedges 22, formed between the teeth portion 3 of the first teeth portion 2 and second
Second phase line embedding groove 24, second teeth portion 3 are provided with several second double wedges 31, shape between adjacent two the second double wedges 31
Into third phase line embedding groove 32, at least one third phase line embedding groove 32 extends along punching radial direction toward yoke portion 1 is interior.
Some first double wedges 22 are at least 3, at least provided with 3 the second double wedges 31 in second teeth portion 3.
The past quantity of the first double wedge 22 overhang of the first public root portion 21 is 5, including the first left curved tooth 221,
First left double wedge 222, the first barrel shaped tooth 223, the first right right curved tooth 225 of double wedge 224 and first, the described first left curved tooth 221, the
It is symmetrical relative to the first barrel shaped tooth 223 between one left double wedge, 222 and first right curved tooth 225, the first right double wedge 224.
The quantity that second teeth portion 3 is provided with the second double wedge 31 is 3, including the second left double wedge 311, the second barrel shaped tooth
312 and the second right double wedge 313, two third phase line embedding grooves 32 along punching radial direction toward yoke portion 1 in extend.
The second left 311 and second right double wedge 313 of double wedge forms third phase rule between the second barrel shaped tooth 312 respectively
Groove 32, the third phase line embedding groove 32 are deeper than the second phase line embedding groove 24 along punching radial depth and first along punching radial depth
Phase line embedding groove 23 is along punching radial depth.
Embodiment two：
As shown in Fig. 2 the present embodiment further improves according to embodiment one, the second teeth portion 3 is provided with the second double wedge 31
Quantity is the 3, including second left double wedge 311, the second barrel shaped tooth 312 and the second right double wedge 313, the second right double wedge 313 and
Right third phase line embedding groove 32A is formed between two barrel shaped tooths 312, is formed between the second left barrel shaped tooth 312 of double wedge 311 and second
Left third phase line embedding groove 32B, the right third phase line embedding groove 32A are deeper than left third phase line embedding groove 32B edges along punching radial depth
Punching radial depth.
Second teeth portion 3 also includes the second public tooth root 34, and it is left to protrude second on the second public tooth root 34 outward
The barrel shaped tooth 312 of double wedge 311 and second.
Embodiment three：
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 6, a kind of stator module, including stator core 4, overhang insulation 5 and coil
Winding 6, the stator core 4 are made up of several stator punchings 100, and the overhang insulation 5 is arranged on the both ends of stator core 4,
For coil windings 6 on overhang insulation 5, the stator punching is above-described embodiment one or the stator punching described in embodiment two
Piece.
The coil windings 6 include main coil winding and secondary coil winding, and it is mutually embedding that the main coil winding is placed on first
In wire casing 23, the secondary coil winding is placed on the second phase line embedding groove 24 and the phase line embedding groove of third phase line embedding groove 32 or second
24th, in right third phase line embedding groove 32A and left third phase line embedding groove 32B.
The coil windings 6 radially divide four layout layers, and the main coil winding 61 includes some groups of the first main coils 611
With some groups of the second main coils 612, the secondary coil winding 62 includes some groups of the first secondary coils 621 and some groups of the second by-passes
Circle 622, some groups of first main coils 611 are located at outermost layer, and some groups of second main coils 611 are located at the second layer, institute
State some groups of the first main coils 611 and some groups of the second main coils 612 are arranged in adjacent two layers, some groups of first by-passes
Circle 621 is located at third layer, and some groups of second secondary coils 622 are located at innermost layer, some groups of the first secondary coils 621 and some groups
Second secondary coil 622 is arranged in adjacent two layers.
Some groups of first main coils 611 have 4 groups, and some groups of second main coils 612 have 4 groups, described some groups
First secondary coil 621 has 4 groups, and some groups of second secondary coils 622 have 4 groups
Example IV：
As shown in Figure 5, Figure 6, a kind of external rotor electric machine, including rotating shaft 7, plastic packaging stator 8 and outer rotor 9, outer rotor 9 are arranged
In the outside of plastic packaging stator 8, rotating shaft 7 is arranged among plastic packaging stator 8 and linked together with outer rotor 9, the plastic packaging stator 8
Including stator module and plastic-sealed body 81, stator module links integrally with plastic-sealed body 81, and the stator module is the institute of embodiment three
The stator module stated.
Above example is better embodiment of the invention, but the implementation of the present invention is not limited to this, and other are any
Without departing from the present invention Spirit Essence with made under principle change, modification, replacement, combine, simplification, be equivalent displacement side
Formula, it is included within protection scope of the present invention.
Claims (12)
1. a kind of stator punching, including ring-shaped yoke portion (1) and from ring-shaped yoke portion (1) outer ledge toward some first overhang
Teeth portion (2) and some second teeth portion (3), the first teeth portion (2) and the second teeth portion (3) alternating circumferential array, first teeth portion (2)
Including the first public root portion (21), from the first public root portion (21) toward several first double wedges (22) for overhanging, institute
State and the first phase line embedding groove (23) is formed between two adjacent the first double wedges (22), first teeth portion (2) and the second teeth portion (3)
Between form the second phase line embedding groove (24), it is characterised in that：Second teeth portion (3) is provided with several second double wedges (31),
Third phase line embedding groove (32), the punching of at least one third phase line embedding groove (32) edge are formed between two adjacent the second double wedges (31)
Piece radial direction extends toward yoke portion (1) is interior.
A kind of 2. stator punching according to claim 1, it is characterised in that：Some first double wedges (22) are at least 3
It is individual, at least provided with 3 the second double wedges (31) on second teeth portion (3).
A kind of 3. stator punching according to claim 2, it is characterised in that：The first public root portion (21) is past overhanging
The first double wedge (22) quantity gone out is 5, including the first left curved tooth (221), the first left double wedge (222), the first barrel shaped tooth
(223), the first right double wedge (224) and the first right curved tooth (225), the described first left curved tooth (221), the first left double wedge (222) with
It is symmetrical relative to the first barrel shaped tooth (223) between first right curved tooth (225), the first right double wedge (224).
A kind of 4. stator punching according to claim 3, it is characterised in that：It is convex that second teeth portion (3) is provided with second
The quantity of tooth (31) is 3, including the second left double wedge (311), the second barrel shaped tooth (312) and the second right double wedge (313), two the 3rd
Phase line embedding groove (32) extends along punching radial direction toward yoke portion (1) is interior.
A kind of 5. stator punching according to claim 4, it is characterised in that：The second left double wedge (311) and second right side
Double wedge (313) forms third phase line embedding groove (32), third phase line embedding groove (32) edge between the second barrel shaped tooth (312) respectively
Punching radial depth is deeper than the second phase line embedding groove (24) along punching radial depth and the first phase line embedding groove (23) along punching radially
Depth.
A kind of 6. stator punching according to claim 3, it is characterised in that：Second teeth portion (3) is provided with the second double wedge
(31) quantity is 3, including the second left double wedge (311), the second barrel shaped tooth (312) and the second right double wedge (313), and described second is right
Form right third phase line embedding groove (32A) between double wedge (313) and the second barrel shaped tooth (312), the second left double wedge (311) and the
Left third phase line embedding groove (32B) is formed between two barrel shaped tooths (312), the right third phase line embedding groove (32A) is radially deep along punching
Degree is deeper than left third phase line embedding groove (32B) along punching radial depth.
A kind of 7. stator punching according to claim 6, it is characterised in that：It is public that second teeth portion (3) also includes second
With tooth root (34), the second left double wedge (311) and the second barrel shaped tooth (312) are protruded outward on the second public tooth root (34).
8. a kind of stator module, including stator core (4), overhang insulation (5) and coil windings (6), the stator core (4) by
Several stator punchings (100) are stacked and formed, and the overhang insulation (5) is arranged on stator core (4) both ends, coil windings (6)
On overhang insulation (5), it is characterised in that：The stator punching is the claims 1 to claim 7 any one
Described stator punching.
A kind of 9. stator module according to claim 8, it is characterised in that：The coil windings (6) include main coil around
Group (61) and secondary coil winding (62), the main coil winding (61) are placed in the first phase line embedding groove (23), the secondary coil
Winding (62) is placed on the second phase line embedding groove (24) and third phase line embedding groove (32) or the second phase line embedding groove (24), left third phase
In line embedding groove (32B) and right third phase line embedding groove (32A).
A kind of 10. stator module according to claim 9, it is characterised in that：The coil windings (6) radially divide four layers
Layout, the main coil winding (61) includes some groups of the first main coils (611) and some groups of the second main coils (612), described
Secondary coil winding (62) includes some groups of the first secondary coils (621) and some groups of the second secondary coils (622), described some groups first
Main coil (611) is located at outermost layer, and some groups of second main coils (611) are located at the second layer, some groups of first main lines
Circle (611) and some groups of the second main coils (612) are arranged in adjacent two layers, and some groups of first secondary coils (621) are located at
Third layer, some groups of second secondary coils (622) are located at innermost layer, some groups of the first secondary coils (621) and some groups second
Secondary coil (622) is arranged in adjacent two layers.
A kind of 11. stator module according to claim 10, it is characterised in that：Some groups of first main coils (611)
There are 4 groups, some groups of second main coils (612) there are 4 groups, and some groups of first secondary coils (621) there are 4 groups, described some
The second secondary coil of group (622) has 4 groups.
12. a kind of external rotor electric machine, including rotating shaft (7), plastic packaging stator (8) and outer rotor (9), outer rotor (9) are sheathed on plastic packaging
Outside stator (8), rotating shaft (7) is arranged among plastic packaging stator (8) and linked together with outer rotor (9), and the plastic packaging is determined
Sub (8) include stator module and plastic-sealed body (81), and stator module links integral with plastic-sealed body (81), it is characterised in that：It is described
Stator module is the stator module described in any one described in claim 8 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720893327.5U CN207069707U (en) | 2017-07-21 | 2017-07-21 | A kind of stator punching and its stator module and external rotor electric machine of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720893327.5U CN207069707U (en) | 2017-07-21 | 2017-07-21 | A kind of stator punching and its stator module and external rotor electric machine of application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207069707U true CN207069707U (en) | 2018-03-02 |
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ID=61511254
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720893327.5U Active CN207069707U (en) | 2017-07-21 | 2017-07-21 | A kind of stator punching and its stator module and external rotor electric machine of application |
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| Country | Link |
|---|---|
| CN (1) | CN207069707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541315A (en) * | 2019-02-07 | 2020-08-14 | 本田技研工业株式会社 | Stator of rotating electric machine |
-
2017
- 2017-07-21 CN CN201720893327.5U patent/CN207069707U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541315A (en) * | 2019-02-07 | 2020-08-14 | 本田技研工业株式会社 | Stator of rotating electric machine |
| CN111541315B (en) * | 2019-02-07 | 2022-06-03 | 本田技研工业株式会社 | Stator of rotating electric machine |
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