CN103457365A - Stator punching sheet, stator core and motor - Google Patents
Stator punching sheet, stator core and motor Download PDFInfo
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- CN103457365A CN103457365A CN2013104381474A CN201310438147A CN103457365A CN 103457365 A CN103457365 A CN 103457365A CN 2013104381474 A CN2013104381474 A CN 2013104381474A CN 201310438147 A CN201310438147 A CN 201310438147A CN 103457365 A CN103457365 A CN 103457365A
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- 238000004080 punching Methods 0.000 title claims abstract description 58
- 230000004323 axial length Effects 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 10
- 229910000976 Electrical steel Inorganic materials 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The invention provides a stator punching sheet, a stator iron core and a motor, wherein the stator punching sheet is provided with an annular yoke part and a tooth part detachably connected with the yoke part, the tooth part is positioned in the yoke part, a plurality of teeth are arranged on the tooth part along the circumferential direction, the tooth roots of two adjacent teeth are connected through bridge parts, each bridge part is provided with an inner arc close to the circle center of the tooth part and an outer arc far away from the circle center of the tooth part, the inner arcs of the bridge parts are positioned on a first circumference, the outer arcs of the bridge parts are positioned on a second circumference, and the first circumference and the second circumference are concentric circles taking the circle center of the tooth part as the circle center. The stator core is provided with a first tooth part formed by laminating the stator punching sheets. The motor is provided with a stator and a rotor, wherein the stator comprises the stator core. The invention can reduce the magnetic leakage phenomenon of the stator core, avoid the stator punching sheet from the bridge part to be broken and improve the quality of the stator punching sheet.
Description
Technical field
The present invention relates to machine field, especially relate to stator and the stator punching of manufacturing this stator that a kind of motor uses, the motor with this stator.
Background technology
Motor is widely used in the various electric equipments of industrial production and life, and existing motor has stator and rotor, and armature spindle is arranged in rotor and with the rotation of rotor and rotates, and outputting power thus.
Referring to Fig. 1, the end cap 11,12 that more existing motors have housing 10 and are positioned at housing 10 two ends, housing 10 and end cap 11,12 surround a cavity, and stator 15 and rotor 18 are installed in cavity, and stator 15 has stator core 16 and is wound on the coil 17 on stator core 16.Rotor 18 is arranged in stator 15, and can be with respect to stator 15 rotations.Armature spindle 19 is arranged in rotor 18, and with rotor 18 interference fit, armature spindle 19 rotates under the drive of rotor 18, thus outside outputting power.
Usually by the multi-disc shape, identical stator punching is overrided to form stator core 16, and referring to Fig. 2, stator punching 20 is stamped to form by silicon steel sheet, and it roughly is circular, and has the yoke section 21 that is positioned at outer peripheral edges, and yoke section 21 is circular.Stator punching 20 also is provided with a plurality of teeth 22 that radially extend to the middle part of stator punching 20 along stator punching 20 from yoke section 21, forms a winding slot 23 between two adjacent teeth 22, and coil windings is wound on tooth 22.And the middle part of stator punching 20 arranges the interior circular hole 24 of a hollow, after multi-disc stator punching 20 laminates and forms stator core 16, the interior circular hole 24 of stator punching 20 forms rotor hole, and rotor is installed in rotor hole.
During stator core coiling winding that stator punching 20 is overrided to form, needing the two-layer coil of coiling, is respectively interior loop and exterior loop.Referring to Fig. 3, exterior loop 35 is wound on the bottom of the winding slot 33 of stator core 16, from the axis of stator core 16 away from.Interior loop 36 is wound on winding slot 33 position near notches, from the axis of stator core 16 close to.
Each interior loop 36 will be crossed over four winding slots 33, and each exterior loop 35 also crosses over four winding slots 33, and interior loop 36 is not wound on same winding slot 33 with exterior loop 35.Yet, the winding slot 33 of coiling interior loop 36 will have exterior loop 35 to cross over, and the winding slot 33 of coiling exterior loop 35 also has interior loop 36, cause the distance between interior loop 36 and exterior loop 35 very near, this proposes very high requirement to the insulation processing between interior loop 36 and exterior loop 35, so the insulating treatment process complexity between interior loop 36 and exterior loop 35.
In addition, due to interior loop 36 and exterior loop 35 stator core 16 axially on overlapping, cause interior loop 36 high with the coiling difficulty of exterior loop 35, cause interior loop 36 high with the turn-to-turn fraction defective of exterior loop 35, when raising the production cost of motor, affect the job stability of motor, cause that the motor rated efficiency is low, energy consumption is large.
At stator core 16 notch positions, enough spaces of dodging are arranged in order to meet adjacent two interior loop 36 or exterior loop 35 after rule, this part of will the two-phase winding coil stretching out stator core 16 is wanted long enough, and long enough is wanted in the end that is exactly interior loop 36 and exterior loop 35.Like this, the enamelled wire use amount that causes manufacturing coil increases, and also causes the energy consumption of motor large, rated efficiency is low.
For the convenience of coiling winding, the stator core that existing motor uses tooth section and yoke section to be separated, by the multi-disc shape, identical stator punching is overrided to form this stator core.Referring to Fig. 4, stator punching 40 is stamped to form by silicon steel sheet, and it consists of with tooth section 45 the yoke section 41 removably connected, and yoke section 41 is positioned at the outside of stator punching 40, and tooth section 42 is positioned at yoke section 41.The middle part of tooth section 42 is provided with a circular hole 43, and rotor can be arranged in circular hole 43.
Referring to Fig. 5, be provided with a plurality of teeth 46 in tooth section 42, comprise spaced straight-tooth and crooked tooth, a plurality of teeth 46 are arranged at the circumferential interval of stator punching 40.Between two adjacent teeth 46, by bridge section 43, connect, bridge section 43 semicirculars in shape, and to the outer bend of stator punching 40.Yet the length that makes progress in stator punching 40 footpaths due to bridge section 43 is less, and semicircular in shape, radius of curvature is less, and punching press stator punching 40 back axle sections 43 easily rupture, and for the Design of Dies complexity of punching press stator punching 40, the manufacture difficulty of mould is large, causes the production cost of mould high.
In addition, as the tooth section of stator core is overrided to form by stator punching 40 fully, there is the leakage field phenomenon in stator core, has affected the motor operation.
Summary of the invention
Main purpose of the present invention is to provide the stator punching that a kind of bridge section is not easy fracture.
Another object of the present invention is to provide the stator core be connected firmly between a kind of a plurality of tooth.
A further object of the present invention is to provide a kind of coil windings coiling conveniently and a plurality of teeth of tooth section connect firm motor.
For realizing main purpose of the present invention, the tooth section that stator punching provided by the invention has circular yoke section and removably is connected with yoke section, tooth section is positioned at yoke section, tooth section upwards is provided with a plurality of teeth along week, the tooth root of two adjacent teeth connects by bridge section, wherein, each bridge section has the interior circular arc in the close tooth section center of circle and away from the external arc in the tooth section center of circle, the interior circular arc of a plurality of bridge section is positioned on the first circumference, the external arc of a plurality of bridge section is positioned on the second circumference, and the first circumference and the second circumference are for take the concentric circles that the center of circle of tooth section is the center of circle.
From such scheme, the interior circular arc of bridge section and external arc are two part camber lines on concentric circles, simple for the mould structure of processing stator punching like this, and the bridge section of the stator punching after punching press easy fracture not, guarantee the connection reliability between a plurality of teeth.
A preferred scheme is that the distance between interior circular arc and external arc is less than the height of tooth root.Like this, can avoid the radical length of bridge section long, when saving the needed material of stator punching, can also reduce the leakage field phenomenon of stator core.
For realizing another object of the present invention, stator core provided by the invention has the yoke section of annulus column and the tooth section removably be connected with yoke section, tooth section is positioned at yoke section, tooth section have stator core axially on spaced apart the first tooth section and the second tooth section, the first tooth section is along upwards being provided with a plurality of the first teeth week, the tooth root of two adjacent the first teeth connects by bridge section, wherein, each bridge section has near the interior circular arc in the first tooth section center of circle and away from the external arc in the first tooth section center of circle, the interior circular arc of a plurality of bridge section is positioned on the first circumference, the external arc of a plurality of bridge section is positioned on the second circumference, the first circumference and the second circumference are for take the concentric circles that the center of circle of the first tooth section is the center of circle.
From such scheme, the bridge section of the tooth section of stator core is circular-arc, and interior circular arc and external arc be concentrically ringed a part of camber line, and the mould of punching press stator punching is simple, and bridge section easy fracture not, and it is firm between a plurality of teeth of stator core, to connect.
A preferred scheme is, the second tooth section is along upwards being provided with a plurality of the second teeth week, and each second tooth arranges separately.
As can be seen here, because the tooth section of stator core is overrided to form by the stator punching of the first tooth section fully, a plurality of teeth of the second tooth section between the first tooth section do not connect each other, can reduce the leakage field phenomenon of stator core, improve the performance of motor operation.
Further scheme is, more than five times of the axial length that the axial length of the second tooth section is the first tooth section.
Visible, by the axial length of the second tooth section, design longlyer, can effectively reduce the leakage field phenomenon of stator core, guarantee that the motor runnability is good.
For realizing a further object of the present invention, motor provided by the invention has the yoke section of annulus column and the tooth section removably be connected with yoke section, tooth section is positioned at yoke section, tooth section have stator core axially on spaced apart the first tooth section and the second tooth section, the first tooth section is along upwards being provided with a plurality of the first teeth week, the tooth root of two adjacent the first teeth connects by bridge section, wherein, each bridge section has near the interior circular arc in the first tooth section center of circle and away from the external arc in the first tooth section center of circle, the interior circular arc of a plurality of bridge section is positioned on the first circumference, the external arc of a plurality of bridge section is positioned on the second circumference, the first circumference and the second circumference are for take the concentric circles that the center of circle of the first tooth section is the center of circle.
As can be seen here, because interior circular arc and the external arc of the bridge section of stator core is the part camber line on concentric circles, the design of manufacturing the stator punching mold is comparatively simple, can reduce the production cost of mould, thereby reduces the production cost of stator core and motor.And, due to the radius of curvature angle of bridge section, be difficult for the phenomenon of fracture, guarantee the reliability of tooth section.
The accompanying drawing explanation
Fig. 1 is the cutaway view of existing motor.
Fig. 2 is the structure enlarged drawing of existing a kind of stator punching.
Fig. 3 is the structure enlarged drawing that existing stator core is wound with coil.
Fig. 4 is the structure chart of existing another kind of stator punching embodiment.
Fig. 5 is the partial enlarged drawing of Fig. 4.
Fig. 6 is the structure chart of tooth section in stator core embodiment of the present invention.
Fig. 7 is the STRUCTURE DECOMPOSITION figure of tooth section in stator core embodiment of the present invention.
Fig. 8 is the structure chart of stator punching embodiment of the present invention.
Fig. 9 is the partial structurtes enlarged drawing of stator punching embodiment of the present invention.
Figure 10 is the structure chart of the first tooth section in stator core embodiment of the present invention.
Figure 11 is the structure chart of the second tooth section in stator core embodiment of the present invention.
Figure 12 is the left view of tooth section in stator core embodiment of the present invention.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
The end cap that motor of the present invention has housing and is positioned at the housing both sides, housing and end cap surround a cavity, and stator and rotor are installed in cavity, and the middle part of stator is provided with the rotor installing hole, and rotor is arranged in the rotor installing hole.And armature spindle is arranged on the middle part of rotor, and armature spindle can pass the outside outputting power of axis hole.
Stator of the present invention has stator core, and stator core has yoke section and tooth section, and yoke section is the annulus column, and tooth section is positioned at yoke section, and tooth section removably is connected with yoke section.
Referring to Fig. 6 and Fig. 7, the tooth section 50 of the present embodiment has three the first tooth sections, is respectively the first tooth section 51,53,55, and is provided with two the second tooth sections, is respectively the second tooth section 52,54.Tooth section 50 axially on, the first tooth section arranges with the second tooth section interval,, on stator core axial, tooth section consists of the first tooth section 51, the second tooth section 52, the first tooth section 53, the second tooth section 54, the first tooth section 55 successively.What as can be seen here, be positioned at tooth section 50 two ends is respectively the first tooth section 51,55.The middle part of the first tooth section 51 is provided with a through hole 56, and this through hole 56 is the rotor installing hole, after rotor is installed to motor, is installed in through hole 56.
Referring to Fig. 8, the first tooth section 51 is overrided to form by the tooth section 70 of multi-disc stator punching, and stator punching comprises tooth section 70 and be positioned at outer yoke section of tooth section 70, and yoke section is circular, and tooth section 70 is positioned at yoke section.Tooth section 70 has at a plurality of straight-tooth 71 that upwards are evenly arranged in week and crooked tooth 73, and straight-tooth 71 is arranged at the interval that makes progress in the week of tooth section 70 with crooked tooth 73.
The end of each straight-tooth 71 is provided with tenon 72, and the end of each crooked tooth 73 is provided with tenon 74, and in the present embodiment, tenon 72 is dovetail with tenon 74.And the middle part of stator punching 70 is provided with a through hole 79, after tooth section 70 laminates, through hole 79 forms rotor hole, and rotor can be installed in through hole 79.
Accordingly, the inwall of yoke section is provided with a plurality of grooves, and each groove is the swallow groove, and after tooth section 51 is installed to yoke section, the tenon of each tooth coordinates with a groove, thereby realizes being fixedly connected with of tooth section 51 and yoke section.
As seen from Figure 9, in tooth section 70, between adjacent two teeth 71,73, by bridge section 75, connect, bridge section 75 is connected between the tooth root of adjacent two teeth 71,73.In the present embodiment, bridge section 75 has two camber lines, respectively near the interior circular arc 76 in tooth section 70 centers of circle and away from the external arc 77 in the center of circle of tooth section 70, the interior circular arc 76 of a plurality of bridge section 75 is positioned on same circumference, as seen from Figure 8, the camber line of the tooth root bottom of interior circular arc 76 and each tooth 71,73 forms a complete circumference.And, the center of circle that the center of circle of the circumference at interior circular arc 76 places is tooth section 70.
The external arc 77 of a plurality of bridge section 75 is all on same circumference, and therefore a plurality of external arc 77 are a part of camber line of same circumference.The center of circle of the circumference at external arc 77 places is also the center of circle of tooth section 70, and the circumference at therefore interior circular arc 76 places and the circumference at external arc place are concentric circless, and two concentrically ringed centers of circle are the center of circle of tooth section 70.
As seen from Figure 9, the distance between the interior circular arc 76 of each bridge section 75 and external arc 77 is D1, and the tooth root 78 of straight-tooth 71 is highly D2, and the height D2 of tooth root 78 is greater than the distance between interior circular arc 76 and external arc 77.Like this, the radical length of bridge section 75 can be very not long, effectively reduces the leakage field phenomenon of stator core.
The tooth section 70 of multi-disc stator punching laminates the first tooth section 51 of rear formation stator core, referring to Figure 10, the first tooth section 51 has the tooth that a plurality of edges circumferentially distribute, comprise a plurality of straight-tooth 62 and a plurality of crooked tooth 64, the end of each straight-tooth 62 is provided with tenon 63, the end of each crooked tooth 64 also is provided with tenon 65, and a plurality of tenons 63,65 are dovetail.
The middle part of the first tooth section 51 is provided with through hole 69, and the part of the through hole 56 that through hole 69 is tooth section 50 is also the part of rotor installing hole.
Between two adjacent teeth, by bridge section 61, connect, bridge section 61 is connected between the tooth root of two teeth.Identical with the tooth section 70 of stator punching, bridge section 61 has near the interior circular arc of the first tooth section 51 and away from the external arc of the first tooth section 51, interior circular arc is all on same circumference, external arc is also on same circumference, and the circumference at interior circular arc place and the circumference at external arc place are concentric circles, and the center of circle is the center of circle of the first tooth section 51.
And, in order to identify easily tooth section, the tenon 67 of a straight-tooth 66 of the first tooth section 51 is provided with a groove as marking structure 68, groove 68 caves inward from the end of tenon 67.Accordingly, a corresponding projection also is set on the groove of yoke section inwall, corresponding with groove 68.When the first tooth section 51 is installed to yoke section, according to the installation site of the location positioning first tooth section 51 of groove 68, thereby avoid the mistake of the first tooth section 51 to install.
Referring to Figure 11, the second tooth section 52 has a plurality of teeth, and a plurality of teeth upwards were evenly arranged in week, and the second tooth section 52 also has a plurality of straight-tooth 81 and a plurality of crooked tooth 83, and a plurality of straight-tooth 81 are arranged at the interval that makes progress in the week of the second tooth section 52 with a plurality of crooked teeth 83.The end of each straight-tooth 81 is provided with tenon 82, and the end of each crooked tooth 83 also is provided with tenon 84, and tenon 83 is dovetail with tenon 84.
Between the tooth of the second tooth section 52, by bridge section, do not connect, therefore each tooth of the second tooth section 52 all arranges separately.Because each tooth of the second tooth section 52 separates mutually, between two adjacent teeth, can not be connected by tooth root, can reduce the leakage field phenomenon of stator core, improve the performance of motor operation.
The structure of the first tooth section 53,55 is identical with the structure of the first tooth section 51, and the structure of the second tooth section 54 is identical with the structure of the second tooth section 52, repeats no more.
As the tooth section 50 of stator core consists of the first tooth section 51 fully, the leakage field phenomenon is serious, affect the operation of motor, as the tooth section 50 of stator core consists of the second tooth section 52 fully, each tooth of stator core 50 separates mutually, can't form an all-in-one-piece tooth section, wind the line very inconvenient.Therefore, in the present embodiment, tooth section 50 consists of spaced apart the first tooth section 51, the second tooth section 52, the first tooth section 53, the second tooth section 54 and the first tooth section 55, and the first tooth section 51,55 lays respectively at the two ends of tooth section 50.Like this, both can reduce the leakage field phenomenon of stator core, can guarantee that again tooth section 50, for all-in-one-piece tooth section, facilitates the coiling of coil windings.
Referring to Figure 12, the first tooth section 51 tooth section 50 axially on length be D3, the second tooth section 54 tooth section 50 axially on length be D4, in the present embodiment, length D4 be five times of length D3 or more than.And the axial length of each the first tooth section 51,53,55 all equates, is D3, the axial length of each the second tooth section 52,54 also equates, is D4.Therefore, each second tooth section length in the axial direction be five times of each the first tooth section length in the axial direction or more than.
In tooth section due to stator punching, the interior circular arc of the bridge section of two adjacent teeth and external arc are concentrically ringed part camber line, therefore the radius of curvature of bridge section is larger, after using the silicon steel sheet punching press to form stator punching, stator punching is difficult for the fracture from bridge section, guarantees the quality of stator punching.And the Design of Dies that the stator punching manufacture is used is simple, the difficulty of processing of mould is lower, thereby reduces the production cost of mould.
And, the second tooth section be separated from each other by a plurality of teeth are set, while reducing the motor operation, the phenomenon of stator core leakage field, improve the performance of motor operation.
Certainly, above-described embodiment is only the preferred embodiment of the present invention, during practical application, more change can be arranged, for example, the quantity of the first tooth section and the second tooth section can change, as the quantity of the first tooth section is four, the quantity of the second tooth section is three, as long as the quantity of the first tooth section is greater than one of the quantity of the second tooth section, and the two ends that the first tooth section is positioned at tooth section get final product, and such change also can realize purpose of the present invention.
The variations such as change of the quantity of tooth in the change of each odontoid of tooth section, tooth section finally it is emphasized that and the invention is not restricted to above-mentioned execution mode, as also should be included in the protection range of the claims in the present invention.
Claims (10)
1. stator punching, comprise
Circular yoke section and the tooth section removably be connected with described yoke section, described tooth section is positioned at described yoke section, and described tooth section upwards is provided with a plurality of teeth along week, and the tooth root of two adjacent described teeth connects by bridge section;
It is characterized in that:
Each described bridge section has near the interior circular arc in the described tooth section center of circle and away from the external arc in the described tooth section center of circle, the described interior circular arc of a plurality of described bridge section is positioned on the first circumference, the described external arc of a plurality of described bridge section is positioned on the second circumference, and described the first circumference and described the second circumference are for take the concentric circles that the center of circle of described tooth section is the center of circle.
2. stator punching according to claim 1 is characterized in that:
Distance between described interior circular arc and described external arc is less than the height of described tooth root.
3. stator core, comprise
The yoke section of annulus column and the tooth section removably be connected with described yoke section, described tooth section is positioned at described yoke section, described tooth section have described stator core axially on spaced apart the first tooth section and the second tooth section, described the first tooth section is along upwards being provided with a plurality of the first teeth week, and the tooth root of two adjacent described the first teeth connects by bridge section;
It is characterized in that:
Each described bridge section has near the interior circular arc in the described first tooth section center of circle and away from the external arc in the described first tooth section center of circle, the described interior circular arc of a plurality of described bridge section is positioned on the first circumference, the described external arc of a plurality of described bridge section is positioned on the second circumference, and described the first circumference and described the second circumference are for take the concentric circles that the center of circle of described the first tooth section is the center of circle.
4. stator core according to claim 3 is characterized in that:
Described the second tooth section is along upwards being provided with a plurality of the second teeth week, and each described second tooth arranges separately.
5. according to the described stator core of claim 3 or 4, it is characterized in that:
More than five times of the axial length that the axial length of described the second tooth section is described the first tooth section.
6. according to the described stator core of claim 3 or 4, it is characterized in that:
The quantity of described the first tooth section is more than three, and the quantity of described the second tooth section is more than two, and two described the first toothed portions are not positioned at the axial two ends of described tooth section.
7. motor, comprise
Stator and be contained in the rotor in described stator, described stator has stator core, described stator core has the yoke section of annulus column and the tooth section removably be connected with described yoke section, described tooth section is positioned at described yoke section, described tooth section have described stator core axially on spaced apart the first tooth section and the second tooth section, described the first tooth section is along upwards being provided with a plurality of the first teeth week, and the tooth root of two adjacent described the first teeth connects by bridge section;
It is characterized in that:
Each described bridge section has near the interior circular arc in the described first tooth section center of circle and away from the external arc in the described first tooth section center of circle, the described interior circular arc of a plurality of described bridge section is positioned on the first circumference, the described external arc of a plurality of described bridge section is positioned on the second circumference, and described the first circumference and described the second circumference are for take the concentric circles that the center of circle of described the first tooth section is the center of circle.
8. motor according to claim 7 is characterized in that:
Described the second tooth section is along upwards being provided with a plurality of the second teeth week, and each described second tooth arranges separately.
9. according to the described motor of claim 7 or 8, it is characterized in that:
More than five times of the axial length that the axial length of described the second tooth section is described the first tooth section.
10. according to the described motor of claim 7 or 8, it is characterized in that:
The quantity of described the first tooth section is more than three, and the quantity of described the second tooth section is more than two, and two described the first toothed portions are not positioned at the axial two ends of described tooth section.
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| CN2013104381474A CN103457365A (en) | 2013-09-22 | 2013-09-22 | Stator punching sheet, stator core and motor |
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| CN2013104381474A CN103457365A (en) | 2013-09-22 | 2013-09-22 | Stator punching sheet, stator core and motor |
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| CN103457365A true CN103457365A (en) | 2013-12-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104598688A (en) * | 2015-01-27 | 2015-05-06 | 中国电子科技集团公司第二十一研究所 | Two-dimensional finite element simulation method of hybrid stepping motor |
| CN104901450A (en) * | 2015-06-11 | 2015-09-09 | 福建永强力加动力设备有限公司 | Start motor rotor |
| CN104979920A (en) * | 2014-04-10 | 2015-10-14 | 珠海凌达压缩机有限公司 | Stator core and motor |
| CN110808643A (en) * | 2018-08-06 | 2020-02-18 | 本田技研工业株式会社 | Stator core for rotating electrical machine and rotating electrical machine |
| CN113572278A (en) * | 2020-04-29 | 2021-10-29 | 纬湃汽车电子(芜湖)有限公司 | Brushless motor stator and brushless motor |
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| CN203481936U (en) * | 2013-09-22 | 2014-03-12 | 珠海格力电器股份有限公司 | Stator punching sheet, stator core and motor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104979920A (en) * | 2014-04-10 | 2015-10-14 | 珠海凌达压缩机有限公司 | Stator core and motor |
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| CN104598688B (en) * | 2015-01-27 | 2017-10-31 | 中国电子科技集团公司第二十一研究所 | The two dimensional finite element emulation mode of composite stepper motor |
| CN104901450A (en) * | 2015-06-11 | 2015-09-09 | 福建永强力加动力设备有限公司 | Start motor rotor |
| CN110808643A (en) * | 2018-08-06 | 2020-02-18 | 本田技研工业株式会社 | Stator core for rotating electrical machine and rotating electrical machine |
| US11056934B2 (en) | 2018-08-06 | 2021-07-06 | Honda Motor Co., Ltd. | Rotary electric machine with a stator core with teeth having different protrusion portions heights |
| CN113572278A (en) * | 2020-04-29 | 2021-10-29 | 纬湃汽车电子(芜湖)有限公司 | Brushless motor stator and brushless motor |
| CN113572278B (en) * | 2020-04-29 | 2024-03-22 | 纬湃汽车电子(芜湖)有限公司 | Brushless motor stator and brushless motor |
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