CN101873017A - Inner stator and production method thereof for brushless electric machine - Google Patents
Inner stator and production method thereof for brushless electric machine Download PDFInfo
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- CN101873017A CN101873017A CN201010237548A CN201010237548A CN101873017A CN 101873017 A CN101873017 A CN 101873017A CN 201010237548 A CN201010237548 A CN 201010237548A CN 201010237548 A CN201010237548 A CN 201010237548A CN 101873017 A CN101873017 A CN 101873017A
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Abstract
The invention relates to an inner stator and a production method thereof for a brushless electric machine. For a current brushless electric machine, teeth of stator slots of the inner stator are fixedly arranged in a stator core, and mechanical coiling is difficult to conduct due to smaller pole shoe clearances, with disadvantages of low efficiency and high cost. The inner stator of the invention comprises the stator core and stator windings, wherein the stator core is provided with 3N teeth of stator slots, the stator windings comprises 3N coils sleeved on the teeth of the stator slots, the stator core also comprises a magnet yoke wheel, silicon sheets are overlapped to form the teeth of stator slots, one end of the stator core is a pole shoe and the other end is connected with the magnet yoke wheel in a clamped manner, and N is a random positive integer. The invention also relates to three production methods of the inner stator of the brushless electric machine. In the invention, the teeth of the stator slots and the magnet yoke are designed to be separated, so as to avoid manual coiling in production, thereby realizing low cost and high efficiency; and when failure occurs, the teeth of the stator slots and the coils thereof can be changed or repaired separately. The invention can be applied to electric machines of electric bicycles and electro-tricycles and other types of electric machines.
Description
Technical field
The present invention relates to a kind of brushless electric machine internal stator and production method thereof.
Background technology
Existing brushless electric machine internal stator comprises stator core and stator winding, wherein set firmly a plurality of stator slot teeth on the stator core, stator winding is made up of a plurality of coils that are enclosed within on the stator slot tooth, its pole shoe gap is very little, can't wind the line by machinery, prior art all is the artificial coiling of employing, efficient is low, cost is high.
Summary of the invention
The technical problem to be solved in the present invention is the above-mentioned defective that how to overcome prior art, but the brushless electric machine internal stator and the production method thereof that provide a kind of mechanization to produce.
For solving the problems of the technologies described above, brushless electric machine internal stator of the present invention comprises stator core and stator winding, stator core is provided with 3N stator slot tooth, stator winding is made up of 3N coil that is enclosed within on the stator slot tooth, it is characterized in that: described stator core also comprises the yoke wheel, and described stator slot tooth forms by silicon steel sheet is overlapping, and the one end is a pole shoe, its other end is connected on the yoke wheel, and N is any positive integer.So design is split between stator slot tooth and the yoke.During production, can earlier stator winding be enclosed within the stator slot tooth, the stator slot tooth be connected on the yoke wheel again, avoid artificial coiling, cost is low, efficient is high.
The invention still further relates to three kinds of production methods of aforementioned brushless electric machine internal stator.
First kind of production method of brushless electric machine internal stator of the present invention comprises following link:
1., die-cut tooth silicon steel sheet, this connection tooth silicon steel sheet one side a series of teeth that evenly distribute, each tooth one end is a pole shoe portion, the other end is provided with the card division that may be stuck on the yoke wheel;
2., above-mentioned tooth silicon steel sheet is overlapping after the inside turn multi-turn, make every circle all contain 3N tooth, other gets 3 phase windings, every contain mutually N the series connection coil, above-mentioned coil is enclosed within respectively on the corresponding tooth, N is any positive integer;
3., make the yoke wheel that has 3N equally distributed draw-in groove on the excircle;
4., the card division of each tooth is snapped in respectively in 3N the draw-in groove on the yoke wheel 2, through a heavy varnished insulation, oven dry, the formation stator base of dripping;
5., the excircle of turning stator base, make between the adjacent pole shoe portion to be separated from each other, form the gap, promptly get this brushless electric machine internal stator.
Second kind of production method of brushless electric machine internal stator of the present invention comprises following link:
1., die-cut many connection tooth silicon steel sheets, make every connection tooth silicon steel sheet one side 3N tooth that evenly distribute, each tooth one end is a pole shoe portion, the other end is provided with and may be stuck in the card division that yoke is taken turns, N is any positive integer;
2., each bar connection tooth silicon steel sheet is overlaped, 3N tooth is overlapping respectively, and other gets 3 phase windings, whenever contains N coil of connecting mutually, and above-mentioned coil is enclosed within respectively on the corresponding tooth, and N is any positive integer;
3., make the yoke wheel that has 3N equally distributed draw-in groove on the excircle;
4., the card division of each tooth is snapped in respectively in 3N the draw-in groove on the yoke wheel, through a heavy varnished insulation, oven dry, the formation stator base of dripping;
5., the excircle of turning stator base, make between the adjacent pole shoe portion to be separated from each other, form the gap, promptly get this brushless electric machine internal stator.
The third production method of brushless electric machine internal stator of the present invention comprises following link:
1., die-cut monodentate silicon steel sheet, monodentate silicon steel sheet one end is a pole shoe portion, the other end is provided with the card division that may be stuck on the yoke wheel;
2., above-mentioned monodentate silicon steel sheet is divided into 3N group, each group overlaps, and other gets 3 phase windings, whenever contains N coil of connecting mutually, above-mentioned coil is enclosed within respectively respectively organizes on the monodentate silicon steel sheet, and N is any positive integer;
3., make the yoke wheel that has 3N equally distributed draw-in groove on the excircle;
4., the card division of each group monodentate silicon steel sheet is snapped in respectively in 3N the draw-in groove on the yoke wheel, through a heavy varnished insulation, oven dry, promptly get this brushless electric machine internal stator.
In above-mentioned three kinds of methods, link 3. also can be moved to link 1. before.But the draw-in groove of described draw-in groove dovetail groove, half slot or other shapes, described card division is corresponding with the draw-in groove shape.
The present invention will be designed to the split formula between stator slot tooth and the yoke.During production, can earlier stator winding be enclosed within the stator slot tooth, again the stator slot tooth is connected on the yoke wheel, avoided artificial coiling, cost is low, efficient is high, and when breaking down, its stator slot tooth and coil can also indivedual repair and replacement, are applicable to various electric bicycle motors, electric three-wheel vehicle motor and other motors.
Description of drawings
Below in conjunction with accompanying drawing brushless electric machine internal stator of the present invention and production method thereof are described further:
Fig. 1 is the vertical view of the connection tooth silicon steel sheet that punches out of this brushless electric machine internal stator production method execution mode one;
Fig. 2 is tooth silicon steel sheet shown in Figure 1 overlapping schematic diagram after the inside turn multi-turn;
Fig. 3 is the plan structure schematic diagram of yoke wheel in this brushless electric machine internal stator production method execution mode one;
The schematic top plan view of this brushless electric machine of Fig. 4 internal stator production method execution mode one described stator base;
Fig. 5 is the schematic top plan view of this brushless electric machine internal stator production method execution mode one gained finished product;
Fig. 6 is the overlapping schematic diagram of each bar connection tooth silicon steel sheet in this brushless electric machine internal stator production method execution mode two;
Fig. 7 is the structural representation of the monodentate silicon steel sheet that punches out of this brushless electric machine internal stator production method execution mode three;
Fig. 8 is the schematic perspective view of monodentate silicon steel sheet shown in Figure 7 after overlapping;
Fig. 9 is the schematic diagram that coil is installed on overlapping monodentate silicon steel sheet;
Figure 10 is the plan structure schematic diagram of yoke wheel in this brushless electric machine internal stator production method execution mode three;
Figure 11 is the schematic top plan view of this brushless electric machine internal stator production method execution mode three gained finished products.
Among the figure: 1 for connection tooth silicon steel sheet, 2 for yoke wheel, 3 be the card division, 4 for coil, 5 for draw-in groove, 6 for stator base, 7 be that monodentate silicon steel sheet, 8 is the stator slot tooth.
Embodiment
Execution mode one: first kind of production method of brushless electric machine internal stator of the present invention comprises following link:
1., die-cut tooth silicon steel sheet 1, these connection tooth silicon steel sheet 1 one sides a series of teeth that evenly distribute, each tooth one end is a pole shoe portion, the other end is provided with the card division 3 that may be stuck on the yoke wheel 2, as shown in Figure 1.
2., above-mentioned tooth silicon steel sheet 1 is overlapping after the inside turn multi-turn, as shown in Figure 2; Make every circle all contain 48 teeth, other gets 3 phase windings, and every coil 4 that contains 16 series connection mutually is enclosed within above-mentioned coil 4 respectively on the corresponding tooth.
3., make the yoke wheel 2 that has 48 equally distributed draw-in grooves 5 on the excircle, as shown in Figure 3;
4., the card division 3 of each tooth is snapped in respectively in 48 draw-in grooves 5 on the yoke wheel 2, drip a varnished insulation, oven dry, form stator base 6, as shown in Figure 4 through heavy;
5., the excircle of turning stator base 6, make between the adjacent pole shoe portion to be separated from each other, form the gap, promptly get this brushless electric machine internal stator, as shown in Figure 5.
Execution mode two: second kind of production method of brushless electric machine internal stator of the present invention comprises following link:
1., die-cut many connection tooth silicon steel sheets 1, make every connection tooth silicon steel sheet 1 one sides 48 teeth that evenly distribute, each tooth one end is a pole shoe portion, the other end is provided with the card division 3 that may be stuck on the yoke wheel 2;
2., each bar connection tooth silicon steel sheet 1 is overlaped, 48 teeth are overlapping respectively, and as shown in Figure 6, other gets 3 phase windings, and every coil 4 that contains 16 series connection mutually is enclosed within above-mentioned coil 4 respectively on the corresponding tooth;
3., make the yoke wheel 2 that has 48 equally distributed draw-in grooves 5 on the excircle;
4., the card division 3 of each tooth is snapped in respectively in 48 draw-in grooves 5 on the yoke wheel 2, drip a varnished insulation, oven dry, form stator base 6 through heavy;
5., the excircle of turning stator base 6, make between the adjacent pole shoe portion to be separated from each other, form the gap, promptly get this brushless electric machine internal stator.
Execution mode three: the third production method of brushless electric machine internal stator of the present invention comprises following link:
1., die-cut monodentate silicon steel sheet 7, monodentate silicon steel sheet 7 one ends are pole shoe portion, the other end is provided with the card division 3 that may be stuck on the yoke 2, as shown in Figure 7;
2., above-mentioned monodentate silicon steel sheet 7 is divided into 48 groups, each group overlaps, as shown in Figure 8; Other gets 3 phase windings, and every coil 4 that contains 16 series connection mutually is enclosed within above-mentioned coil 4 respectively and respectively organizes on the monodentate silicon steel sheet 7, as shown in Figure 9;
3., make the yoke wheel 2 that has 48 equally distributed draw-in grooves 5 on the excircle, as shown in figure 10;
4., the card division 3 of each group monodentate silicon steel sheet 7 is snapped in respectively in 48 draw-in grooves 5 on the yoke wheel 2, drip a varnished insulation, oven dry, promptly get this brushless electric machine internal stator, as shown in figure 11 through heavy.
Brushless electric machine internal stator according to aforementioned three kinds of methods production, comprise stator core and stator winding, stator core is provided with 48 stator slot teeth 8, stator winding is made up of 48 coils 4 that are enclosed within on the stator slot tooth 8, described stator core also comprises yoke wheel 2, described stator slot tooth 8 forms by silicon steel sheet is overlapping, and the one end is a pole shoe, and its other end is connected on the yoke wheel 2.
Any the stator slot tooth is connected to brushless electric machine internal stator and production method thereof on the yoke, all identical in essence with the present invention, all fall into the protection range of patent of the present invention.
Claims (4)
1. brushless electric machine internal stator, comprise stator core and stator winding, stator core is provided with 3N stator slot tooth, stator winding is made up of 3N coil that is enclosed within on the stator slot tooth, it is characterized in that: described stator core also comprises the yoke wheel, and described stator slot tooth forms by silicon steel sheet is overlapping, and the one end is a pole shoe, its other end is connected on the yoke wheel, and N is any positive integer.
2. the production method of the described brushless electric machine internal stator of claim 1 comprises following link:
1., die-cut tooth silicon steel sheet, this connection tooth silicon steel sheet one side a series of teeth that evenly distribute, each tooth one end is a pole shoe portion, the other end is provided with the card division that may be stuck on the yoke wheel;
2., above-mentioned tooth silicon steel sheet is overlapping after the inside turn multi-turn, make every circle all contain 3N tooth, other gets 3 phase windings, every contain mutually N the series connection coil, above-mentioned coil is enclosed within respectively on the corresponding tooth, N is any positive integer;
3., make the yoke wheel that has 3N equally distributed draw-in groove on the excircle;
4., the card division of each tooth is snapped in respectively in 3N the draw-in groove on the yoke wheel, through a heavy varnished insulation, oven dry, the formation stator base of dripping;
5., the excircle of turning stator base, make between the adjacent pole shoe portion to be separated from each other, form the gap, promptly get this brushless electric machine internal stator.
3. the production method of the described brushless electric machine internal stator of claim 1 comprises following link:
1., die-cut many connection tooth silicon steel sheets, make every connection tooth silicon steel sheet one side 3N tooth that evenly distribute, each tooth one end is a pole shoe portion, the other end is provided with and may be stuck in the card division that yoke is taken turns, N is any positive integer;
2., each bar connection tooth silicon steel sheet is overlaped, 3N tooth is overlapping respectively, and other gets 3 phase windings, whenever contains N coil of connecting mutually, and above-mentioned coil is enclosed within respectively on the corresponding tooth, and N is any positive integer;
3., make the yoke wheel that has 3N equally distributed draw-in groove on the excircle;
4., the card division of each tooth is snapped in respectively in 3N the draw-in groove on the yoke wheel, through a heavy varnished insulation, oven dry, the formation stator base of dripping;
5., the excircle of turning stator base, make between the adjacent pole shoe portion to be separated from each other, form the gap, promptly get this brushless electric machine internal stator.
4. the production method of the described brushless electric machine internal stator of claim 1 comprises following link:
1., die-cut monodentate silicon steel sheet, monodentate silicon steel sheet one end is a pole shoe portion, the other end is provided with the card division that may be stuck on the yoke wheel;
2., above-mentioned monodentate silicon steel sheet is divided into 3N group, each group overlaps, and other gets 3 phase windings, whenever contains N coil of connecting mutually, above-mentioned coil is enclosed within respectively respectively organizes on the monodentate silicon steel sheet, and N is any positive integer;
3., make the yoke wheel that has 3N equally distributed draw-in groove on the excircle;
4., the card division of each group monodentate silicon steel sheet is snapped in respectively in 3N the draw-in groove on the yoke wheel, through a heavy varnished insulation, oven dry, promptly get this brushless electric machine internal stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010237548A CN101873017A (en) | 2010-07-27 | 2010-07-27 | Inner stator and production method thereof for brushless electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010237548A CN101873017A (en) | 2010-07-27 | 2010-07-27 | Inner stator and production method thereof for brushless electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101873017A true CN101873017A (en) | 2010-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010237548A Pending CN101873017A (en) | 2010-07-27 | 2010-07-27 | Inner stator and production method thereof for brushless electric machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280977A (en) * | 2011-08-17 | 2011-12-14 | 浙江迪贝电气股份有限公司 | Lamination tabling type stator and manufacturing method thereof |
| CN102780288A (en) * | 2011-05-11 | 2012-11-14 | 株式会社电装 | Electric motor |
| CN104092318A (en) * | 2014-06-30 | 2014-10-08 | 浙江宇静电机有限公司 | Split modular motor stator iron core |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10271716A (en) * | 1997-03-21 | 1998-10-09 | Matsushita Electric Ind Co Ltd | Stator core of motor and its manufacture |
| CN101018002A (en) * | 2006-12-28 | 2007-08-15 | 李平 | Small three-phase high-performance square wave permanent magnetic DC low-speed brushless motor |
| CN101496257A (en) * | 2006-05-19 | 2009-07-29 | Lg电子株式会社 | Stator of outer rotor type motor |
| CN201383715Y (en) * | 2009-02-25 | 2010-01-13 | 中山大洋电机股份有限公司 | Stator structure |
-
2010
- 2010-07-27 CN CN201010237548A patent/CN101873017A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10271716A (en) * | 1997-03-21 | 1998-10-09 | Matsushita Electric Ind Co Ltd | Stator core of motor and its manufacture |
| CN101496257A (en) * | 2006-05-19 | 2009-07-29 | Lg电子株式会社 | Stator of outer rotor type motor |
| CN101018002A (en) * | 2006-12-28 | 2007-08-15 | 李平 | Small three-phase high-performance square wave permanent magnetic DC low-speed brushless motor |
| CN201383715Y (en) * | 2009-02-25 | 2010-01-13 | 中山大洋电机股份有限公司 | Stator structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780288A (en) * | 2011-05-11 | 2012-11-14 | 株式会社电装 | Electric motor |
| CN102780288B (en) * | 2011-05-11 | 2016-08-10 | 株式会社电装 | Motor |
| CN102280977A (en) * | 2011-08-17 | 2011-12-14 | 浙江迪贝电气股份有限公司 | Lamination tabling type stator and manufacturing method thereof |
| CN104092318A (en) * | 2014-06-30 | 2014-10-08 | 浙江宇静电机有限公司 | Split modular motor stator iron core |
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Application publication date: 20101027 |