CN208285095U - A kind of coil end structure of Double Layer Winding - Google Patents
A kind of coil end structure of Double Layer Winding Download PDFInfo
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- CN208285095U CN208285095U CN201820772330.6U CN201820772330U CN208285095U CN 208285095 U CN208285095 U CN 208285095U CN 201820772330 U CN201820772330 U CN 201820772330U CN 208285095 U CN208285095 U CN 208285095U
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- arc section
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- 238000004804 winding Methods 0.000 title claims abstract description 21
- 210000003781 tooth socket Anatomy 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 210000000554 iris Anatomy 0.000 claims description 5
- 230000004323 axial length Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Windings For Motors And Generators (AREA)
Abstract
The utility model discloses a kind of coil end structures of Double Layer Winding, including stator component；Stator component includes stator core；Stator core includes multiple tooth sockets；The tooth socket surrounds the radial direction of stator core, is uniformly distributed in the periphery of stator core；The edge of tooth socket is fixed with multiple coils；Overhang includes that coil goes out slot section, coil changeover portion and coil arc section；Coil goes out the section of slot section for lateral rectangle；The section of coil arc section is longitudinal rectangle；The section connecting line of coil changeover portion one end iris out slot Duan Bingyu coil go out slot section cross sectional shape it is identical, the section of coil changeover portion other end connection coil arc section is simultaneously identical as the cross sectional shape of coil arc section.The utility model provides end turn structure more compact, it is possible to reduce total axial length of stator component, therefore, it is possible to reduce effective material utilization amount shortens stator shaft orientation length.
Description
Technical field
The utility model relates to embedding for technical field of motors, especially large-size machine split stator component Double Layer Winding,
More particularly to a kind of coil end structure of Double Layer Winding.
Background technique
Rotating electric machine generally comprises stator and rotor, for high-power direct-driving type motor, with the increase of single-machine capacity, electricity
The size and weight of machine all increased, and the transport to stator dipping or motor in this way causes certain difficulty.A kind of current row
Effective solution measure be stator is fabricated to splitted structure, its advantage is that on the one hand be convenient for stator dipping lacquer, on the other hand
It is readily transported and assembled in situ.
For the large-size machine of traditional form, stator embeds two coils in each slot usually using Double Layer Winding structure
Each effective edge (thering is the effective edge of two different coils to be stacked together in a slot), wherein applying more coil knot
Structure is upper and lower structures, i.e., coil a effective edge embeds the top half in slot, another effective edge is embedded at a distance of one
The lower half portion of the slot of a pitch.For the ease of production, general all stator coil structures are identical.For dividing the big of lobed formula
Type motor causes every valve iron core not produce independently since Double Layer Winding needs to connect two valve iron cores.
If by the coil design upper layer side structure in pairs of two valve iron core stitching portions, i.e., two effective edges of one coil are embedding
It is placed on the top half of slot, while the coil design lower layer side structure in pairs in every valve iron core with above-mentioned double upper layer sideline circle pairings
(two effective edges of a coil are embedded in the lower half portion of slot), to realize stator Double Layer Winding line at stitching position
Circle continuously embeds, it is possible to prevente effectively from turning over slot process when last several coils embed.For double upper layer Bian Heshuan lower layer side
For coil, key is the arrangement of end, and therefore, it is necessary to design a kind of double upper layer Bian Heshuan lower layer side overhang
On the one hand structure type avoids double upper layer Bian Heshuan lower layer side end turn of split stator stitching portion from not interfering, while can
Guarantee that end turn size is shorter.
Utility model content
In view of the deficiencies of the prior art, the utility model discloses a kind of coil end structures of Double Layer Winding.
The technical solution of the utility model is as follows:
A kind of coil end structure of Double Layer Winding, which is characterized in that including stator component；Stator component includes stator iron
The heart；Stator core includes multiple tooth sockets；The tooth socket surrounds the radial direction of stator core, is uniformly distributed in the periphery of stator core；
The edge of tooth socket is fixed with multiple coils；Overhang includes that coil goes out slot section, coil changeover portion and coil circle
Segmental arc；Coil goes out the section of slot section for lateral rectangle；The section of coil arc section is longitudinal rectangle；Coil changeover portion one end is cut
Face connecting line iris out slot Duan Bingyu coil go out slot section cross sectional shape it is identical, the section of coil changeover portion other end connection coil circle
Segmental arc is simultaneously identical as the cross sectional shape of coil arc section；
Multiple coils are divided into two groups: double upper layer sideline Quan Heshuan lower layer sideline circles；Double upper layer sideline Quan Heshuan lower layers sideline
Circle respectively includes outer coil, middle layer coil and inner coil.
Its further technical solution is that the section that the coil goes out slot section is identical as the geomery of embedded coil；Line
One end of circle changeover portion is connected to coil and goes out on slot section；Since in place of the connection for going out slot section with coil, coil changeover portion
Short transverse gradually becomes smaller, width direction becomes larger, the sectional area of each position is identical, and is equal to the coil in section
The sectional area of slot section out；Coil arc section is connected on the other end of coil changeover portion.
Its further technical solution is outer coil, the position of middle layer coil and inner coil in radial directions point
It is three layers, is spaced a distance between each layer.
Its further technical solution is, in the outer coil, the outer side edges of coil changeover portion and coil arc section
Edge is aligned towards the direction close to stator outer diameter；In the inner coil, the outer side edges of coil changeover portion and coil arc section
Edge is aligned towards the direction on the inside of stator；In the middle layer coil, the position of coil changeover portion and coil arc section exists
Between the outer coil and the inner coil.
Its further technical solution is, in the outer coil, the outer side edges of coil changeover portion and coil arc section
Edge is towards the direction close to stator outer diameter, and position is more than stator outer diameter；In the inner coil, coil changeover portion and coil
The outer ledge of arc section is towards the direction on the inside of stator, and position is more than diameter of stator bore；In the middle layer coil, line
The position of circle changeover portion and coil arc section is between the outer coil and the inner coil.
Its further technical solution is the radial direction of outer coil, middle layer coil and inner coil in stator core
On do not overlap.
Its further technical solution is that multiple coils are isometric or Length discrepancy coil.
Its further technical solution is that the length of effective side length of multiple coils is identical.
The advantageous effects of the utility model are:
The utility model provides end turn structure more compact, it is possible to reduce total axial length of stator component, because
This, it is possible to reduce effective material utilization amount shortens stator shaft orientation length.
Detailed description of the invention
Fig. 1 is the stator component of the utility model.
Fig. 2 is that end view is enclosed in double upper layer Bian Heshuan lower layer sidelines.
Fig. 3 is outer coil side view.
Fig. 4 is middle layer coil side view.
Fig. 5 is inner coil side view.
Wherein: 1 is stator component, and 2 be stator core, and 3 be tooth socket, and 4 be coil, and 5 be outer coil, and 6 be middle layer coil,
7 be inner coil, and 8 go out slot section for coil, and 9 be coil changeover portion, and 10 be coil arc section.
Specific embodiment
The structure of the utility model is suitable for outer-rotor structure form generator, is equally applicable to inner rotor core.In order to
Summary chooses outer-rotor structure form motor herein and carries out technical solution introduction.
The utility model is directed to the stator of Double Layer Winding structure.
Fig. 1 is the stator component of the utility model.As shown in Figure 1, the end turn of the Double Layer Winding in the utility model
Structure includes stator component 1.Stator component 1 includes stator core 2.Every valve stator core 2 includes multiple is circumferentially spaced
Tooth socket 3.Tooth socket 3 surrounds the periphery of stator core 2, and is uniformly distributed on the radial circumference of stator core 2.
Two coils are embedded in each tooth socket 3, coil is made of a circle or multiturn.For the sake of describing conveniently, one is defined
A effective edge is known as upper and lower level sideline in the coil in the lower half portion of slot of top half, another effective edge of slot and encloses, and two
Coil of the effective edge in the lower half portion of slot is known as double lower layer sidelines and encloses, and two effective edges are in the coil of the top half of slot
Referred to as double upper layer sideline circles.
The counterpart application enclosed using double upper layer sideline Quan Heshuan lower layer sidelines, may be implemented stator Double Layer Winding in splice bits
The place's of setting coil continuously embeds.But the if adjacent double upper layer sideline Quan Huoshuan lower layers side coil end structure phase in stitching portion
Together, an end turn will be interfered at least partly with another end turn when embedding, and cause to can not be successfully embedding.For
Relevant double upper layer sideline Quan Huoshuan lower layer sidelines circle end interference problems when embedding in a pitch are solved, this is practical new
Type proposes a kind of end construction of double upper layer Bian Heshuan lower layer sideline circle.
As shown in Fig. 2~Fig. 5, the edge of tooth socket 3 is fixed with multiple coils 4.4 ends of coil include coil go out slot section 8,
Coil changeover portion 9 and coil arc section 10.Coil goes out the section of slot section 8 for lateral rectangle.The section of coil arc section 10 is vertical
To rectangle.The section connecting line of 9 one end of coil changeover portion irises out slot section 8 and, coil identical as the cross sectional shape that coil goes out slot section 8
The section connection coil arc section 10 of 9 other end of changeover portion is simultaneously identical as the cross sectional shape of coil arc section 10.That is, logical
Coil changeover portion 9 is crossed, the section of coil arc section 10 goes out the lateral rectangular transition of slot section 8 by coil for longitudinal rectangle.
Specifically, to go out slot section 8 identical as the geomery of embedded coil effective edge for coil.One end of coil changeover portion 9 connects
It connects and irises out on slot section 8 online.The characteristics of coil changeover portion 9, is, since in place of the connection for going out slot section 8 with coil, coil mistake
The section of section 9 is crossed short transverse gradually becomes smaller, width direction becomes larger, the sectional area of each position is identical, and is equal to line
Iris out the sectional area of slot section 8.Coil arc section 10 is connected on the other end of coil changeover portion 9.10 feature of coil arc section
It is that coil section is maximum in short transverse minimum, width direction, the cross sectional shape of each position can be the same or different, mesh
Be to realize that related overhang is in spatial arrangement in a pitch.
As shown in Fig. 2, multiple coils are divided into two groups: double upper layer sideline Quan Heshuan lower layer sideline circles.Double upper layer sideline circle packets
Outer coil 5, middle layer coil 6 and inner coil 7 are included, effective edge lengths of this three double upper layer sideline circles are identical.Double lower layer sides
Coil also includes outer coil, middle layer coil and inner coil, and effective edge lengths of this three Zhi Shuan lower layer sideline circle are all the same.
Double upper layer sideline Quan Heshuan lower layer sideline circles can be realized with isometric or Length discrepancy coil.
By taking three of split stator stitching portion double upper layer sideline circles as an example, as shown in figure 3, being leaned on by arc section after changeover portion
The coil of nearly stator outer diameter is known as outer coil；As shown in figure 5, the coil by arc section after changeover portion close to diameter of stator bore claims
For inner coil；As shown in figure 4, the coil between outer coil and inner coil is middle layer coil.
Outer coil, the position of middle layer coil and inner coil in radial directions are divided into three layers, are spaced one between each layer
Fixed distance.
For the external rotor electric machine of splitted structure, the radial adjustment space of end turn is bigger, double upper layer sides outer coil
Arc section can level sprawl to be radially outwardly sloping and sprawl, it can be more than iron core outer diameter, double upper layer sides middle layer coil
Arc section level sprawl, the arc section of double upper layer sides inner coil according to space size can level sprawl can also be radially-inwardly
Inclination is sprawled.
Specifically, in one embodiment, in outer coil, the outer side edges of coil changeover portion 9 and coil arc section 10
Edge is aligned towards the direction close to stator outer diameter；In inner coil, the outer ledge of coil changeover portion 9 and coil arc section 10
Towards the direction alignment on the inside of stator；In middle level in coil, the position of coil changeover portion 9 and coil arc section 10 is in outer layer
Between coil and inner coil.
As shown in figure 3, the outer ledge of coil changeover portion 9 and coil arc section 10 is towards close to fixed in outer coil
The direction of sub- outer diameter is aligned.
As shown in figure 5, the outer ledge of coil changeover portion 9 and coil arc section 10 is towards close to fixed in inner coil
The direction alignment of sub- inside.
As shown in figure 4, in middle level in coil, the position of coil changeover portion 9 and coil arc section 10 is in outer coil and interior
Between layer line circle.
In another embodiment, in outer coil, the outer ledge direction of coil changeover portion 9 and coil arc section 10 is leaned on
The direction of nearly stator outer diameter, and position is more than stator outer diameter；In inner coil, coil changeover portion 9 and coil arc section 10
Outer ledge is towards the direction on the inside of stator, and position is more than diameter of stator bore；In middle level in coil, 9 He of coil changeover portion
The position of coil arc section 10 is between outer coil and inner coil.
As shown in Fig. 2, since double upper layer sideline Quan Heshuan lower layer sidelines circle includes outer coil, middle layer coil and internal layer
Coil encloses in respective structure, the knot of outer coil, middle layer coil and inner coil in double upper layer sideline Quan Heshuan lower layer sidelines
Structure is identical.
It when embedding, needs first to embed double upper layer sides inner coil, then embeds double upper layer side middle layers coil, finally embed double
Upper layer side outer coil.Double lower layer sides coil principle is identical.
Above-described is only preferred embodiments of the present invention, and the utility model is not limited to above embodiments.It can
To understand, what those skilled in the art directly exported or associated under the premise of not departing from the spirit and design of the utility model
Oher improvements and changes are considered as being included within the scope of protection of this utility model.
Claims (8)
1. a kind of coil end structure of Double Layer Winding, which is characterized in that including stator component (1)；Stator component (1) includes fixed
Sub- iron core (2)；Stator core (2) includes multiple tooth sockets (3)；The tooth socket (3) surrounds the radial direction of stator core (2), in stator
The periphery of iron core (2) is uniformly distributed；
The edge of tooth socket (3) is fixed with multiple coils；Overhang includes that coil goes out slot section (8), coil changeover portion (9) and line
It encloses arc section (10)；Coil goes out the section of slot section (8) for lateral rectangle；The section of coil arc section (10) is longitudinal rectangle；Line
The section connecting line of circle changeover portion (9) one end irises out slot section (8) and, coil mistake identical as the cross sectional shape that coil goes out slot section (8)
The section connection for crossing section (9) other end is coil arc section (10) and identical as the cross sectional shape of coil arc section (10)；
Multiple coils are divided into two groups: double upper layer sideline Quan Heshuan lower layer sideline circles；Double upper layer sideline Quan Heshuan lower layer sideline circles are equal
Respectively include outer coil, middle layer coil and inner coil.
2. the coil end structure of Double Layer Winding as described in claim 1, which is characterized in that the coil goes out slot section (8)
Section is identical as the geomery of embedded coil；One end of coil changeover portion (9) is connected to coil and goes out on slot section (8)；From with
Coil starts in place of going out the connection of slot section (8), the section of coil changeover portion (9) gradually becomes smaller in short transverse, width direction by
Gradual change is big, and the sectional area of each position is identical, and is equal to the sectional area that the coil goes out slot section (8)；Coil arc section (10)
It is connected on the other end of coil changeover portion (9).
3. the coil end structure of Double Layer Winding as described in claim 1, which is characterized in that outer coil, middle layer coil and
The position of inner coil in radial directions is divided into three layers, between each layer between be separated with distance.
4. the coil end structure of Double Layer Winding as claimed in claim 3, which is characterized in that in the outer coil, line
The outer ledge for enclosing changeover portion (9) and coil arc section (10) is aligned towards the direction close to stator outer diameter；In the interior layer line
In circle, the outer ledge of coil changeover portion (9) and coil arc section (10) is aligned towards the direction on the inside of stator；Described
In the coil of middle layer, the position of coil changeover portion (9) and coil arc section (10) the outer coil and the inner coil it
Between.
5. the coil end structure of Double Layer Winding as claimed in claim 3, which is characterized in that in the outer coil, line
The outer ledge of changeover portion (9) and coil arc section (10) is enclosed towards the direction close to stator outer diameter, and position is more than outside stator
Diameter；In the inner coil, the outer ledge of coil changeover portion (9) and coil arc section (10) is towards on the inside of stator
Direction, and position is more than diameter of stator bore；In the middle layer coil, the position of coil changeover portion (9) and coil arc section (10)
Between the outer coil and the inner coil.
6. the coil end structure of Double Layer Winding as claimed in claim 3, which is characterized in that outer coil, middle layer coil and
Inner coil does not overlap in the radial direction stator core (2).
7. the coil end structure of Double Layer Winding as described in claim 1, which is characterized in that multiple coils are isometric or not
Equal long loops.
8. the coil end structure of Double Layer Winding as described in claim 1, which is characterized in that effective side length of multiple coils
Length is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820772330.6U CN208285095U (en) | 2018-05-23 | 2018-05-23 | A kind of coil end structure of Double Layer Winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820772330.6U CN208285095U (en) | 2018-05-23 | 2018-05-23 | A kind of coil end structure of Double Layer Winding |
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| Publication Number | Publication Date |
|---|---|
| CN208285095U true CN208285095U (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820772330.6U Active CN208285095U (en) | 2018-05-23 | 2018-05-23 | A kind of coil end structure of Double Layer Winding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512331A (en) * | 2018-05-23 | 2018-09-07 | 中科盛创（青岛）电气股份有限公司 | A kind of coil end structure of Double Layer Winding |
-
2018
- 2018-05-23 CN CN201820772330.6U patent/CN208285095U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512331A (en) * | 2018-05-23 | 2018-09-07 | 中科盛创（青岛）电气股份有限公司 | A kind of coil end structure of Double Layer Winding |
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Effective date of registration: 20210518 Granted publication date: 20181225 |
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Date of cancellation: 20240518 Granted publication date: 20181225 |