CN109904963A - A kind of flat wire motor stator - Google Patents
A kind of flat wire motor stator Download PDFInfo
- Publication number
- CN109904963A CN109904963A CN201910367345.3A CN201910367345A CN109904963A CN 109904963 A CN109904963 A CN 109904963A CN 201910367345 A CN201910367345 A CN 201910367345A CN 109904963 A CN109904963 A CN 109904963A
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- China
- Prior art keywords
- stator
- folded
- coiling unit
- winding
- flat wire
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Abstract
The invention discloses a kind of flat wire motor stator, including stator winding and stator core, the stator winding includes several folded coiling units, and the folded coiling unit is formed by a flat wire conductor coiling, and has two lead-out wires；Folded coiling unit is arranged successively into circle, successively welds after lead-out wire bending according to the mode of connection of winding, forms folded coiling unit assembly；The stator core includes several block stator iron cores, is sequentially inserted into stator winding.Flat wire motor stator forming method of the present invention is that folded coiling unit is made by extrusion forming process, then several are arranged in the folded coiling unit synchronous rotary of circumference and form entire stator winding, finally several block stator iron cores are inserted into entire stator winding, to form the stator of flat wire motor, not only high production efficiency, Winding Design flexibility is good, and has better adaptability to the size of winding wire, may be omitted with easily causing the bulging of secondary damage to squeeze into technique winding wire.
Description
Technical field
The present invention relates to motor stator, in particular to a kind of flat wire motor stator.
Background technique
Flat wire motor in new-energy automobile driving motor or generator using more and more common, motor stator winding structure and
Its manufacturing method shows diversity.Patent document 1(publication number: US8384263 B2) elaborate one kind by several lap wound line lists
Member, which is squeezed into and welded by winding, bulging, realizes the molding method of stator winding.Winding winding process has centainly the size of line
Limitation, smaller size is more advantageous to coiling and molding.Patent document 1(publication number: US8384263 B2) in lap wound line list
Together by more coil combinations, size is larger for member, and there are biggish difficulty for winding coiling and molding.And after winding coiling and molding
Bulging is put into stator core slot again, will be caused secondary deformation to winding, and be easy to cause the damage of winding wire.
Summary of the invention
Object of the present invention is to: a kind of flat wire motor stator is provided, not only high production efficiency, Winding Design flexibility is good, and
And have better adaptability to the size of winding wire, it may be omitted with easily causing the bulging of secondary damage to squeeze into work winding wire
Skill.
The technical scheme is that
A kind of flat wire motor stator, including stator winding and stator core, the stator winding include several folded coiling units, institute
It states folded coiling unit to be formed by a flat wire conductor coiling, and has two lead-out wires, two lead-out wires are in the same end；Lap wound line list
Member is arranged successively into circle, successively welds after lead-out wire bending according to the mode of connection of winding, forms folded coiling unit assembly；
The stator core includes several block stator iron cores, and block stator iron core is by being sequentially inserted into stator winding.
Preferably, the folded coiling unit both ends end is in the S type vertical with the facade of folded coiling unit, adjacent lap wound line
Unit is along end S type close-packed arrays, and there are the gaps being inserted into for block stator iron core at middle part.
Preferably, the lead-out wire of the folded coiling unit assembly forms internal layer lead-out wire and outer layer lead-out wire, by internal layer
Lead-out wire and the part bending along clockwise direction respectively of outer layer lead-out wire, part bending in the counterclockwise direction.
Preferably, two adjacent lead-out wires are welded directly together in the lead-out wire welding process, or pass through one
Root connecting line welds together.
Preferably, shown folded coiling unit using flat wire conductor along winding mould coiling a few, form lap wound line
Then the folded coiling unit extrusion forming of original state is formed the end of end-state by molding die by unit original state
The S-type folded coiling unit in portion.
Preferably, several folded coiling units are along the circumferential direction arranged in the folded coiling unit assembly of original state,
Then each folded coiling unit of folded coiling unit assembly is rotated, until adjacent folded coiling unit is along end S type
Close-packed arrays form the folded coiling unit assembly of end-state after rotation.
Preferably, each is folded coiling unit to carry out in rotary course, guarantees all folded coiling unit synchronous rotaries, rotation
Shaft is at the center of lap wound line unit end.
Preferably, the folded coiling unit assembly can form every phase one by changing the winding leading-out wire mode of connection
Branch, two branches, four branches or eight branches winding construction.
Preferably, using the two adjacent folded coiling units of flat wire conductor coiling, lap wound line as a whole
Unit.
Preferably, the folded coiling unit shares 48, and block stator iron core 24, each block stator core ends band
There are two stator iron core tooth, stator core slot, the stator of two neighboring block stator iron core are formed between two stator iron core tooths
Also a stator core slot is formed between iron core teeth, and the gap between adjacent folded coiling unit is inserted by iron core teeth.
The invention has the advantages that
A kind of flat wire motor stator of the present invention program design, the stator structure include the stator winding formed by folding coiling unit
With the stator core being made of block stator iron core, forming method is that folded coiling unit is made by extrusion forming process, then
Several are arranged in the folded coiling unit synchronous rotary of circumference and forms entire stator winding, finally by several block stators
Iron core is inserted into entire stator winding, to form the stator of flat wire motor.The flat wire motor stator molding side of the present invention program
Method not only high production efficiency, Winding Design flexibility is good, and has better adaptability to the size of winding wire, may be omitted with
Easily the bulging of secondary damage is caused to squeeze into technique winding wire.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the structural schematic diagram of flat wire motor stator of the present invention；
Fig. 2 is lap wound line cell schematics of the invention；
Fig. 3 is the schematic diagram of block stator iron core of the invention；
Fig. 4 is folded coiling unit assembly schematic diagram of the invention；
Fig. 5 is piece stator core schematic diagram of the invention；
Fig. 6 has folded coiling unit stator schematic diagram for of the invention；
Fig. 7 be extension line bending of the invention after have wound stator schematic diagram；
Fig. 8 is the winding schematic diagram after extension line bending of the invention；
Fig. 9 is the molded stator schematic diagram after welding of the invention；
Figure 10 is folded coiling unit coiling schematic diagram schematic diagram of the invention；
Figure 11 is folded coiling unit mold shaping schematic view of the invention；
Figure 12 is that folded coiling unit of the invention rotates schematic diagram schematic diagram；
Figure 13 is folded coiling unit initial alignment state schematic diagram of the invention；
Figure 14 is that folded coiling unit of the invention rotates pilot process ordered state schematic diagram；
Figure 15 is the final ordered state schematic diagram of folded coiling unit of the invention；
Figure 16 is the overall schematic of two-fold coiling unit of the invention.
Specific embodiment
As shown in Figure 1, the invention discloses a kind of flat wire motor stator, including stator winding 1 and stator core 2.It is described
Stator winding 1 includes several folded coiling units 11, as shown in Fig. 2, the folded coiling unit 11 is by a flat wire conductor coiling four
It encloses, and has two lead-out wires 12, two lead-out wires are in the same end；Folded coiling unit is arranged successively into circle, lead-out wire folding
It is successively welded after curved according to the mode of connection of winding, forms folded coiling unit assembly, the folded coiling unit of entire stator winding
48 are shared, as shown in Figure 3.
The stator core 2 includes several block stator iron cores 21, as shown in figure 4, each 21 end of block stator iron core
Band forms stator core slot 23, two neighboring block stator iron core there are two stator iron core tooth 22 between two stator iron core tooths
Stator iron core tooth between also form a stator core slot, a complete stator core is spliced by 24 block stator iron cores
Composition, as shown in Figure 5.
Fig. 6 is to have folded coiling unit stator, which includes folded coiling unit assembly and piece stator core.Lap wound line
Unit assembly is formed by 48 folded coiling units according to aligned transfer shown in Fig. 4, forms internal layer lead-out wire and outer layer is drawn
Line.Piece stator core is spliced by 24 block stator iron cores according to rule shown in Fig. 5.24 block stator iron cores are pressed
It is inserted into folded coiling unit assembly according to certain mode, so that being formed shown in fig. 6 has folded coiling unit stator.
Fig. 7 folds coiling unit assembly and needs the extraction of folded coiling unit to have wound stator after lead-out wire bending
Line carries out bending according to certain rule, so that the mode subsequently through welding realizes the electrical connection of entire stator winding, most
End form is at stator winding.Fig. 8 illustrates a kind of bending pattern, which is to distinguish outer layer lead-out wire and internal layer lead-out wire
Part is bent along clockwise direction, and part is bent in the counterclockwise direction.But the bending pattern of lead-out wire is not limited to this type
Formula.
Fig. 9 is the molded stator after welding, and the outer layer lead-out wire and internal layer lead-out wire for folding coiling unit assembly pass through one
After fixed form bending, need to realize the electrical connection of stator winding, welding process by welding according to the mode of connection of winding
In two adjacent lead-out wires can be welded directly together, can also be welded together by a connecting line.
Figure 10 and Figure 11 is the forming process of folded coiling unit 11, detailed process be by a conductor along winding mould around
A few are made, forms folded coiling unit original state, as shown in Figure 10.Then pass through molding die 5 for the lap wound line of original state
Unit extrusion forming forms the folded coiling unit of end-state, as shown in figure 11.
Figure 12-15 illustrates the forming process of folded coiling unit assembly.The end of a folded coiling unit is faced, it will
Form view shown in Figure 12.Folded coiling unit is along the circumferential direction arranged in folded coiling unit by rule as shown in figure 13 to combine
Then body rotates each folded coiling unit of folded coiling unit assembly, it is necessary to assure all folded coiling units are same
Step rotation, rotary shaft 6 position of stain in Figure 12.Figure 14 is the centre that folded coiling unit is formed in rotary course
The folded coiling unit assembly of state.Figure 15 is that the end-state formed after folded coiling unit rotates folds coiling unit combination
Body.
The stator winding wiring flexibility of the invention patent is good, only illustrated in detail in embodiment one branch of every phase around
Group structure.Actually by winding connection mode is changed, two branches of every phase, four branches or eight branches can also be formed
Winding construction.
The invention patent embodiment stator winding minimum Component units are a folded coiling unit, and the actually minimum is constituted
Unit can also be as shown in figure 16, using the two adjacent folded coiling units of flat wire conductor coiling, as a whole
Folded coiling unit, merges into an entirety similar to by two folded coiling units in the invention patent.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
It cans understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all to lead according to the present invention
The modification for wanting the Spirit Essence of technical solution to be done, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of flat wire motor stator, including stator winding and stator core, which is characterized in that the stator winding includes several
Folded coiling unit, the folded coiling unit is formed by a flat wire conductor coiling, and has two lead-out wires, and two lead-out wires are same
One end；Folded coiling unit is arranged successively into circle, successively welds after lead-out wire bending according to the mode of connection of winding, forms lap wound
Line unit assembly；The stator core includes several block stator iron cores, block stator iron core by be sequentially inserted into stator around
In group.
2. flat wire motor stator according to claim 1, which is characterized in that the folded coiling unit both ends end is in and folds
The vertical S type of the facade of coiling unit, adjacent folded coiling unit is along end S type close-packed arrays, and there are for block stator iron at middle part
The gap of core insertion.
3. flat wire motor stator according to claim 1, which is characterized in that the lead-out wire of the folded coiling unit assembly
Internal layer lead-out wire and outer layer lead-out wire are formed, internal layer lead-out wire and outer layer lead-out wire are distinguished into part bending along clockwise direction,
Part bending in the counterclockwise direction.
4. flat wire motor stator according to claim 3, which is characterized in that will be adjacent in the lead-out wire welding process
Two lead-out wires are welded directly together, or are welded together by a connecting line.
5. flat wire motor stator according to claim 2, which is characterized in that shown folded coiling unit is led using a flat wire
Body along winding mould coiling a few, folded coiling unit original state is formed, then by molding die by the folded of original state
Coiling unit extrusion forming forms the S-type folded coiling unit in the end of end-state.
6. flat wire motor stator according to claim 5, which is characterized in that several folded coiling units are along the circumferential direction
It is arranged in the folded coiling unit assembly of original state, then carries out each folded coiling unit of folded coiling unit assembly
Rotation forms the folded coiling unit group of end-state until adjacent folded coiling unit is along end S type close-packed arrays after rotation
It is fit.
7. flat wire motor stator according to claim 6, which is characterized in that each is folded coiling unit and is rotated through
Cheng Zhong guarantees all folded coiling unit synchronous rotaries, and rotary shaft is at the center of lap wound line unit end.
8. flat wire motor stator according to claim 4, which is characterized in that the folded coiling unit assembly passes through change
The winding leading-out wire mode of connection can form the winding knot of one branch of every phase, two branches, four branches or eight branches
Structure.
9. flat wire motor stator according to claim 1, which is characterized in that adjacent using a flat wire conductor coiling two
Folded coiling unit, folded coiling unit as a whole.
10. flat wire motor stator according to claim 1, which is characterized in that the folded coiling unit shares 48, piecemeal
Stator core 24, it is fixed that each block stator core ends band is formed there are two stator iron core tooth, between two stator iron core tooths
Sub- iron core slot also forms a stator core slot between the stator iron core tooth of two neighboring block stator iron core, passes through iron core teeth
It is inserted into the gap between adjacent folded coiling unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910367345.3A CN109904963A (en) | 2019-05-05 | 2019-05-05 | A kind of flat wire motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910367345.3A CN109904963A (en) | 2019-05-05 | 2019-05-05 | A kind of flat wire motor stator |
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| Publication Number | Publication Date |
|---|---|
| CN109904963A true CN109904963A (en) | 2019-06-18 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910367345.3A Pending CN109904963A (en) | 2019-05-05 | 2019-05-05 | A kind of flat wire motor stator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571962A (en) * | 2019-09-16 | 2019-12-13 | 合肥巨一动力系统有限公司 | Flat wire motor stator |
| CN111355316A (en) * | 2020-04-09 | 2020-06-30 | 合肥巨一动力系统有限公司 | Flat wire motor stator and flat wire motor |
| CN111371267A (en) * | 2020-04-17 | 2020-07-03 | 菲仕绿能科技(宁波)有限公司 | Method for embedding flat copper wire by using split stator core |
| CN113193717A (en) * | 2020-01-14 | 2021-07-30 | 浙江盘毂动力科技有限公司 | Axial magnetic field motor, stator assembly and stator winding process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1914866A2 (en) * | 2006-10-19 | 2008-04-23 | Hitachi, Ltd. | Stator winding and forming method thereof |
| CN103503278A (en) * | 2011-04-05 | 2014-01-08 | 丰田自动车株式会社 | Stator and manufacturing method for stator |
| CN104584391A (en) * | 2012-07-06 | 2015-04-29 | 三菱电机株式会社 | Rotary electric machine and manufacturing method therefor |
| CN106416022A (en) * | 2014-06-05 | 2017-02-15 | 爱信艾达株式会社 | Stator assembly method and stator assembly device |
| CN108370187A (en) * | 2015-12-08 | 2018-08-03 | 三菱电机株式会社 | The armature of electric rotating machine |
-
2019
- 2019-05-05 CN CN201910367345.3A patent/CN109904963A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1914866A2 (en) * | 2006-10-19 | 2008-04-23 | Hitachi, Ltd. | Stator winding and forming method thereof |
| CN103503278A (en) * | 2011-04-05 | 2014-01-08 | 丰田自动车株式会社 | Stator and manufacturing method for stator |
| CN104584391A (en) * | 2012-07-06 | 2015-04-29 | 三菱电机株式会社 | Rotary electric machine and manufacturing method therefor |
| CN106416022A (en) * | 2014-06-05 | 2017-02-15 | 爱信艾达株式会社 | Stator assembly method and stator assembly device |
| CN108370187A (en) * | 2015-12-08 | 2018-08-03 | 三菱电机株式会社 | The armature of electric rotating machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571962A (en) * | 2019-09-16 | 2019-12-13 | 合肥巨一动力系统有限公司 | Flat wire motor stator |
| CN110571962B (en) * | 2019-09-16 | 2022-02-08 | 合肥巨一动力系统有限公司 | Flat wire motor stator |
| CN113193717A (en) * | 2020-01-14 | 2021-07-30 | 浙江盘毂动力科技有限公司 | Axial magnetic field motor, stator assembly and stator winding process |
| CN113193717B (en) * | 2020-01-14 | 2022-04-29 | 浙江盘毂动力科技有限公司 | Axial magnetic field motor, stator assembly and stator winding process |
| CN111355316A (en) * | 2020-04-09 | 2020-06-30 | 合肥巨一动力系统有限公司 | Flat wire motor stator and flat wire motor |
| CN111355316B (en) * | 2020-04-09 | 2021-07-30 | 合肥巨一动力系统有限公司 | Flat wire motor stator and flat wire motor |
| CN111371267A (en) * | 2020-04-17 | 2020-07-03 | 菲仕绿能科技(宁波)有限公司 | Method for embedding flat copper wire by using split stator core |
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Application publication date: 20190618 |