CN103956871B - Stator punching and there is its single phase induction motor - Google Patents
Stator punching and there is its single phase induction motor Download PDFInfo
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- CN103956871B CN103956871B CN201410123315.5A CN201410123315A CN103956871B CN 103956871 B CN103956871 B CN 103956871B CN 201410123315 A CN201410123315 A CN 201410123315A CN 103956871 B CN103956871 B CN 103956871B
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- 238000004080 punching Methods 0.000 title claims abstract description 38
- 230000006698 induction Effects 0.000 title claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 49
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052802 copper Inorganic materials 0.000 abstract description 14
- 239000010949 copper Substances 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The invention discloses a kind of stator punching and there is its single phase induction motor.Stator punching includes：Body, multiple stator slots that the body has endoporus and connected with endoporus, circumferentially-spaced distribution and adjacent stators groove of multiple stator slots along endoporus are spaced apart by stator tooth, the inner of stator tooth has tooth boots, the notch of stator slot is located between the adjacent teeth boots of adjacent stators tooth, wherein described body is divided into some by a plurality of of center for intersecting each other and passing through the endoporus with reference to straight line, in each of which part, the stator tooth relative to the tooth boots of the stator tooth center line, it is described with reference to straight line to another direction skew preset distance with reference to straight line along one therefrom, the length that the tooth boots extend to the notch is unequal.When being used for motor according to the stator punching of the present invention, effectively to shorten the parafacies winding overhang length of span, reduce overall copper cash dosage, reduce cost.
Description
Technical field
The present invention relates to field of motor manufacturing, more particularly, to a kind of stator punching and has its single phase induction motor.
Background technology
Traditional freezer compressor typically uses the two poles of the earth structure with single phase induction motor, and stator core has 24 stators
Groove, principal phase winding M and parafacies winding use ceoncentrically wound coil, as shown in figure 8, principal phase winding includes 5 coils, pitch is respectively
11st, 9,7,5 and 3 groove, parafacies winding include 4 coils, and pitch is respectively 11,9,7 and 5 grooves.As shown in Figure 8, stator tooth
Tooth center line is by the stator inner circle center of circle, while the facewidth is equal.So, it will cause winding overhang span big, not only cause
Copper cash dosage is more, while winding resistance is also larger, influences motor operation efficiency.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, one object of the present invention
It is to propose a kind of reduction winding overhang span and does not influence the stator punching of motor operation performance.
It is another object of the present invention to propose a kind of single phase induction motor with the stator punching.
A kind of stator punching of embodiment according to a first aspect of the present invention, including：Body, the body have endoporus and with
Multiple stator slots of the endoporus connection, circumferentially-spaced distribution and adjacent stators groove of multiple stator slots along the endoporus are led to
Cross stator tooth to be spaced apart, the inner of the stator tooth has tooth boots, wherein the notch of the stator slot is located at adjacent stators tooth
Between adjacent teeth boots, wherein the body by the center that intersects each other and pass through the endoporus it is a plurality of be divided into reference to straight line it is multiple
Part, in each of which part, the stator tooth relative to the center line of the tooth boots of the stator tooth, along an institute therefrom
State and offset preset distance, the length that the tooth boots extend to the notch to another direction with reference to straight line with reference to straight line
It is unequal.
By the way that stator tooth is described with reference to straight line to another direction skew one with reference to straight line along one therefrom
Set a distance, on the basis of the runnability of motor is not influenceed, it can effectively shorten the parafacies winding overhang length of span, reduce
Overall copper cash dosage, reduces cost.Further, since the tooth boots length of stator tooth both sides is inconsistent, according to embodiments of the present invention
Stator punching when being used in motor, can effectively weaken the cogging torque of motor, reduce motor shaking in the process of running
Dynamic and noise.
According to one embodiment of present invention, the preset distance is less than the 1/2 of the width of the stator tooth.
According to one embodiment of present invention, the outer end of the stator tooth relative to the inner of the stator tooth, along from described
First rotates predetermined angular with reference to direction of the straight line to described second with reference to straight line.Thus, by the rotation to stator tooth, also subtract
The small length of span of principal phase winding overhang, further reduces copper consumption, so as to reduce further cost.
Alternatively, the predetermined angular is 0-10 degree.
According to one embodiment of present invention, the body is by the first ginseng that is orthogonal and passing through the endoporus center
Examine straight line and second and be divided into first to fourth part with reference to straight line, in each part of first to fourth part, along from
Described second with reference on direction of the straight line to first with reference to straight line, and the facewidth of the stator tooth is gradually reduced.
According to one embodiment of present invention, in each part in first to fourth part, the stator
The opening direction of the notch of groove positioned at center line of the stator slot adjacent to the stator tooth of the side of the described second reference straight line with putting down
OK.
Thus, by the way that the opening direction of notch is changed, thus it is possible to vary line of fall direction during coiling winding, so as to reduce
End span, further reduces copper consumption, so as to reduce further cost.
According to one embodiment of present invention, in each part in first to fourth part, the stator
Groove includes edge from the described second reference straight line to the described first reference sulculus arranged in a straight line, bracket groove and vat, the sulculus
Depth is less than the depth of the bracket groove, and the depth of the bracket groove is less than the depth of the vat, described in the Part I
Stator slot and the stator slot in the Part II are symmetrical with reference to straight line relative to described second, and with the Part IV
Stator slot is symmetrical with reference to straight line relative to described first, in the stator slot and the Part I in the Part III
Stator slot is symmetrical with reference to straight line relative to described first, and with the stator slot in the Part IV relative to the described second reference
Straight line is symmetrical.
According to one embodiment of present invention, the stator slot is flat-bottom slot and the exterior bottom wall of the stator slot and the stator
The side wa ll circle arc transition of groove.
In summary, according to the stator punching of the present invention, the length of span of winding overhang is reduced, reduces copper consumption, from
And reduce cost.
A kind of single phase induction motor of embodiment according to a second aspect of the present invention, including：Stator core, the stator core
It is made up of the stator punching described in multiple embodiments according to a first aspect of the present invention；Winding, the winding technique is in the stator
On iron core and including principal phase winding and parafacies winding.
According to one embodiment of present invention, at least one interior in the multiple part, edge is therefrom described in one
With reference on straight line to another adjacent direction with reference to straight line, the facewidth of the stator tooth is gradually reduced.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the schematic diagram of stator punching according to an embodiment of the invention；
Fig. 2 is the schematic diagram that Fig. 1 centre circles show A portions；
Fig. 3 is the schematic diagram of stator punching in accordance with another embodiment of the present invention；
Fig. 4 is Fig. 3 and schematic diagram of the prior art；
Fig. 5 is the schematic diagram of stator punching in the single phase induction motor according to further embodiment of the present invention；
Fig. 6 is the schematic diagram of stator punching in the single phase induction motor according to another embodiment of the invention；
Fig. 7 is C portions schematic diagram in Fig. 6；
Fig. 8 is the coiling schematic diagram of traditional stator punching, and wherein M represents principal phase winding, and N represents parafacies winding.
Reference：
Stator punching 100；
Body 1；Endoporus 10；
Stator slot 2；Notch 20；Sulculus 21；Bracket groove 22；Vat 23；
Stator tooth 3；Tooth boots 31；
First with reference to straight line X；Second with reference to straight line Y；
Part I P1；Part II P2；
Part III P3；Part IV P4；
Stator tooth center line L1；Tooth boots center line L2
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " width ", " vertical ", " level ", " interior ",
The orientation or position relationship of the instruction such as " outer ", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of the description present invention and simplifies description, rather than instruction or the dress for implying meaning
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the invention
System.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that instruction or imply relative importance or
The implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or imply
Ground includes one or more this feature.In the description of the invention, unless otherwise indicated, " multiple " be meant that two or
Two or more.
A kind of stator punching 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 8.It is plurality of
Stator punching 100 laminate the stator core (not shown) for forming motor, be wound with the stator core principal phase winding and
Parafacies winding.
As shown in figure 1, stator punching 100 according to embodiments of the present invention includes body 1, body 1 have endoporus 10 and with
Multiple stator slots 2 that endoporus 10 connects, it is fixed that circumferentially-spaced distribution and adjacent stators groove 2 of multiple stator slots 2 along endoporus 10 pass through
Sub- tooth 3 is spaced apart, and the inner of stator tooth 3 has tooth boots 31, and the wherein notch 20 of stator slot 2 is located at the adjacent of adjacent stators tooth 3
Between tooth boots 31.
As shown in figures 1 and 3, body 1 is divided into more by a plurality of reference straight line at the center for intersecting each other and passing through endoporus 10
Individual part, in each part, along one therefrom reference straight line to the adjacent another direction with reference to straight line, stator tooth
3 center lines relative to the tooth boots 31 of the stator tooth, the direction along one therefrom reference straight line to another reference straight line are inclined
Preset distance is moved, the length that tooth boots 31 extend to notch 20 is unequal.By the way that stator tooth is described with reference to straight along one therefrom
Line offsets certain distance to another direction with reference to straight line, can be with the basis of the runnability of motor is not influenceed
Effectively shorten the parafacies winding overhang length of span, reduce overall copper cash dosage, reduce cost.
In the following description, entered exemplified by being used in the motor of freezer compressor according to the stator punching 100 of the present invention
Row explanation.Wherein there are 24 stator slots for the stator core in the motor of freezer compressor.So, at first to fourth
Divide in P1-P4 each part, there are 6 stator slots.Now, as shown in figures 1 and 3, body 1 is by orthogonal and by interior
It is first to fourth part P1-P4 that the first of the center in hole 10 is divided with reference to straight line X and second with reference to straight line Y, is rushed in multiple stators
After piece 100 laminates composition stator core and is wound with principal phase winding and parafacies winding, the axis of principal phase winding and second is with reference to straight
Line Y is overlapped, and the axis of parafacies winding overlaps with first with reference to straight line X.
In each part in first to fourth part P1-P4, stator tooth 3 relative to the stator tooth 3 tooth boots 31
Center line L2, along from second with reference to straight line Y to first offset preset distance (i.e. towards parafacies winding with reference to straight line X direction
Journal offset), so as to the length that tooth boots 31 extend from the first inner side of stator tooth 3 with from the inner of stator tooth 3
The length that second side is extended is unequal.In one embodiment of the invention, the center line of stator tooth 3 is relative to the stator tooth
The center line L2 of 3 tooth boots 31 enters line displacement, the i.e. overall offset of stator tooth 3.Such as by taking the stator slot 2 in Part II P2 as an example
When illustrating, as shown in Fig. 2 the length that tooth boots 31 extend from the inner left side of stator tooth 3 is more than tooth boots 31 from stator
The length that the inner right side of tooth 3 is extended, in Part II P2, right side is located at the clockwise direction in left side,
The length for the tooth boots 31 wherein mentioned in this application, refer to the length of tooth boots 31 in the circumferential.In the art
Those of ordinary skill is appreciated that not to be entirely located in due to first with reference to straight line X and second with reference to the stator tooth where straight line Y
In one of part in first to fourth above-mentioned part P1-P4, now, first with reference to the reference straight lines of straight line X and second Y
The stator tooth at place, which can be offset, to be offset.
By the way that stator tooth 3 is angularly offset to parafacies winding axis (i.e. first refers to straight line X), motor is not being influenceed
Runnability on the basis of, can effectively shorten the parafacies winding overhang length of span, reduce overall copper cash dosage, reduce
Cost.Further, since the tooth boots length of stator tooth both sides is inconsistent, stator punching according to embodiments of the present invention is used in motor
When, it can effectively weaken the cogging torque of motor, reduce motor vibration in the process of running and noise.
Alternatively, above-mentioned preset distance is less than the 1/2 of the width of stator tooth 3.
In one embodiment of the invention, the outer end of stator tooth 3 is joined relative to the inner of the stator tooth 3, along from first
The direction that straight line X to second is examined with reference to straight line Y rotates predetermined angular.That is, as shown in Figure 3 and Figure 4, in the phase of stator tooth 3
After the skew of tooth boots 31 of the stator tooth 3, by the outer end of stator tooth 3 relative to the inner towards principal phase winding of the stator tooth 3
Journal offset, i.e., as shown in figure 4, now having angle between the center line L2 of tooth boots 31 and the center line L1 of stator tooth 3.By
This, by the rotation to stator tooth 3, also reduces the length of span of principal phase winding overhang, further reduces copper consumption, so as to enter
One step reduces cost.Alternatively, predetermined angular is 0-10 degree.
In the further embodiment of the present invention, as shown in figure 3, each in first to fourth part P1-P4
In part, the opening direction of the notch 20 of stator slot 2 and the stator positioned at the stator slot 2 adjacent to the second reference straight line Y side
The centerline parallel of tooth 3, such as when being illustrated by taking the stator slot 2 in Part II P2 as an example, the opening direction of notch 20 with
The center line L1 of stator tooth 3 on the left of it is concordant.Specifically, as shown in figure 4, the stator slot that dotted line represents is prior art
In stator slot, dotted arrow represent be stator slot in the prior art opening direction, and solid line represent stator slot be root
According to the stator slot in the stator punching of the embodiment of the present invention, what dotted arrow represented is the opening direction of stator slot of the present invention.From
It can be seen that in figure, the opening direction of notch 20 is concordant with the center line L1 of the stator tooth 3 on the left of it.
Thus, by the way that the opening direction of notch 20 is changed, thus it is possible to vary line of fall direction during coiling winding, so as to reduce
End span, further reduces copper consumption, so as to reduce further cost.
In some embodiments of the invention, as depicted in figs. 1 and 2, each in first to fourth part P1-P4
In part, stator slot 2 is included along sulculus 21, bracket groove 22 and the vat from the second reference straight line Y to first with reference to straight line X arrangements
23, the depth of sulculus 21 is less than the depth of bracket groove 22, and the depth of bracket groove 22 is less than the depth of vat 23, determines in Part I P1
Stator slot 2 in pilot trench 2 and Part II P2 is symmetrical with reference to straight line Y relative to second, and with the stator slot 2 in Part IV P4
Symmetrical with reference to straight line X relative to first, the stator slot 2 in stator slot 2 and Part I P1 in Part III P3 is relative to the
One is symmetrical with reference to straight line X, and symmetrical with reference to straight line Y relative to second with the stator slot 2 in Part IV P4, in other words, the
The Central Symmetry of stator slot 2 in three parts P3 with the stator slot 2 in Part I P1 relative to endoporus 10.
When stator punching 100 according to embodiments of the present invention is used for the motor of freezer compressor, at first to fourth
Divide in P1-P4 each part, there are 6 stator slots 2.Illustrated by taking the stator slot 2 in Part II P2 as an example, from second
On direction (clockwise direction i.e. in Fig. 1 and Fig. 3) with reference to the reference straight lines of straight line Y to first X, including one be arranged in order
21, bracket grooves 22 of sulculus and four vats 23.
Alternatively, after the rotation of stator tooth 3, stator slot 2 is formed as flat-bottom slot and the exterior bottom wall of stator slot 2 and the stator slot
2 side wa ll circle arc transition, as shown in Figure 3 and Figure 4.
In summary, according to the stator punching of the present invention, the length of span of winding overhang is reduced, reduces copper consumption, from
And cost is reduced, and the area of stator slot is increased, it ensure that being smoothed out for coiling.
A kind of single phase induction motor of embodiment according to a second aspect of the present invention, including：Stator core and winding are (not shown
Go out), stator core is made up of the stator punching 100 described in multiple above-described embodiments, such as is formed by laminating, winding technique
On stator core and including principal phase winding and parafacies winding, wherein the axis of principal phase winding and above-mentioned second is with reference to straight line Y weights
Close.Single phase induction motor according to embodiments of the present invention can be used in freezer compressor.
In wherein some examples, at least one in some that the body 1 of stator punching 100 is separated out,
Along one therefrom with reference on straight line to the adjacent another direction with reference to straight line, the facewidth of stator tooth is gradually reduced.Thus,
By in the wherein at least one part that will be separated out on body, joining along one therefrom with reference to straight line to adjacent another
Examine and be gradually reduced the width of stator tooth on the direction of straight line, do not influence the runnability of motor not only, and can reduce around
The length of span of group end, reduces copper consumption, so as to reduce cost.
Similarly, by according to the present invention stator punching 100 be used for freezer compressor motor in exemplified by when, body 1 by
It is first to fourth part P1- that the first of center orthogonal and by endoporus 10 is divided with reference to straight line X and second with reference to straight line Y
P4, wherein the position and the center of the stator tooth 3 of the first reference straight line X and the second reference straight line Y on the stator tooth 3 where it
Line overlaps.In each part in first to fourth part, along the side from the second reference straight line Y to first with reference to straight line X
Upwards, the facewidth of stator tooth 3 is gradually reduced.
Because in motor, the magnetic further away from the stator tooth of principal phase axis (i.e. second refers to straight line Y) is close lower, therefore,
By the way that by each part in first to fourth part, directions of the straight line Y to first with reference to straight line X is referred to along from second
On the width of stator tooth is gradually reduced, do not influence the runnability of motor not only, and principal phase winding overhang can be reduced
The length of span, copper consumption is reduced, so as to reduce cost.
Alternatively, the difference between the facewidth of adjacent stators tooth 3 is 0.15mm.Such as the motor for freezer compressor
When, the width for the stator tooth 3 that the second reference straight line Y passes through can be 4mm, as shown in figure 5, now the first reference straight line X passes through
The width of stator tooth 3 be 3.1mm.
In one embodiment of the invention, as shown in figure 5, the center line of stator tooth 3 is by the center of endoporus 10, also
It is to say, while the facewidth of stator tooth 3 gradually changes, the center line of stator tooth 3 still goes through the center of endoporus 10.So, phase
Answering the width of the stator slot of opening position will increase, that is, increases the area of stator slot, ensure that being smoothed out for coiling.
Certainly, the present invention is not limited thereto.In another embodiment of the present invention, as shown in Figure 6 and Figure 7, stator tooth 3
The inner there are tooth boots 31, at least one portion in some, stator tooth 3 is with the side of the stator tooth 3 and tooth boots
31 intersection point is the center of circle, rotates up predetermined angle to the adjacent another side with reference to straight line with reference to straight line along one therefrom
Degree.Such as each when the stator punching of the present invention is used in the motor of freezer compressor, in first to fourth part
In part, stator tooth 3 refers to straight line X to second using the intersection point D of the side of the stator tooth 3 and tooth boots 31 as the center of circle, along from first
Predetermined angular is rotated up with reference to straight line Y side, i.e. the direction of stator tooth 3 towards the principal phase axis on stator core have rotated pre-
Determine angle.Wherein those skilled in the art be appreciated that the predetermined angular can by the design parameter of specific motor and
Choose.Alternatively, predetermined angular is 0-10 degree.
Thus, by the way that stator tooth 3 is rotated to an angle to principal phase winding axis (i.e. second refers to straight line Y), Ke Yijin
One step effectively shortens the principal phase winding overhang length of span.Although the parafacies winding overhang length of span increases, in freezer compressor
With in single phase induction motor, principal phase winding proportion is bigger 3 to 4 times than parafacies winding proportion, therefore overall copper cash is used
Amount is also reduction of, that is to say, that reduce further cost.
The coiling of other compositions of single phase induction motor according to embodiments of the present invention such as principal phase winding and parafacies winding
Deng and operation be all known for those of ordinary skills, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (9)
- A kind of 1. stator punching, it is characterised in that including：Body, the body have an endoporus and the multiple stator slots connected with the endoporus, and multiple stator slots are along described interior The circumferentially-spaced distribution in hole and adjacent stators groove is spaced apart by stator tooth, the inner of the stator tooth has tooth boots, wherein institute The notch for stating stator slot is located between the adjacent teeth boots of adjacent stators tooth, whereinThe body is divided by the first of center orthogonal and by the endoporus with reference to straight line X and second with reference to straight line Y First to fourth part P1-P4, in each of which part, the stator tooth relative to the tooth boots of the stator tooth center Line, along from described second with reference to straight line Y to described first offset preset distance with reference to straight line X direction, the tooth boots are to described The length of notch extension is unequal, in each part in first to fourth part P1-P4, the groove of the stator slot The opening direction of mouth and the center line positioned at the stator slot adjacent to the stator tooth of the described second reference straight line Y side It is parallel.
- 2. stator punching according to claim 1, it is characterised in that the preset distance is less than the width of the stator tooth 1/2.
- 3. stator punching according to claim 1, it is characterised in that the outer end of the stator tooth is relative to the stator tooth Inner, edge rotates predetermined angular from described first with reference to direction of the straight line to described second with reference to straight line.
- 4. stator punching according to claim 3, it is characterised in that the predetermined angular is 0-10 degree.
- 5. according to the stator punching any one of claim 1-4, it is characterised in that in first to fourth part In each part, along from described second, with reference on direction of the straight line to first with reference to straight line, the facewidth of the stator tooth gradually subtracts It is small.
- 6. stator punching according to claim 1, it is characterised in that each portion in first to fourth part In point, the stator slot include along from described second with reference to straight line to described first with reference to sulculus arranged in a straight line, bracket groove and big Groove, the depth of the sulculus are less than the depth of the bracket groove, and the depth of the bracket groove is less than the depth of the vat, and described first The stator slot in part and the stator slot in the Part II are symmetrical with reference to straight line relative to described second, and with it is described Stator slot in Part IV is symmetrical with reference to straight line relative to described first, the stator slot in the Part III with it is described Stator slot in Part I is symmetrical with reference to straight line relative to described first, and with the stator slot in the Part IV relative to Described second is symmetrical with reference to straight line.
- 7. stator punching according to claim 1, it is characterised in that the stator slot is flat-bottom slot and the stator slot Exterior bottom wall and the side wa ll circle arc transition of the stator slot.
- A kind of 8. single phase induction motor, it is characterised in that including：Stator core, the stator core are made up of multiple stator punchings according to any one of claim 1-7；Winding, the winding technique is on the stator core and including principal phase winding and parafacies winding.
- 9. single phase induction motor according to claim 8, it is characterised in that at least one in the multiple part It is interior, the tooth of the stator tooth described with reference on straight line to another adjacent direction with reference to straight line along one therefrom Width is gradually reduced.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410123315.5A CN103956871B (en) | 2014-03-28 | 2014-03-28 | Stator punching and there is its single phase induction motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410123315.5A CN103956871B (en) | 2014-03-28 | 2014-03-28 | Stator punching and there is its single phase induction motor |
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| CN103956871A CN103956871A (en) | 2014-07-30 |
| CN103956871B true CN103956871B (en) | 2017-12-08 |
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| CN201410123315.5A Active CN103956871B (en) | 2014-03-28 | 2014-03-28 | Stator punching and there is its single phase induction motor |
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| CN110544994B (en) * | 2018-05-28 | 2024-07-19 | 上海鸣志电器股份有限公司 | Stator of stepping motor and stepping motor with stator |
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| CN2229116Y (en) * | 1995-01-17 | 1996-06-12 | 王国臣 | Stator core plate for single phase asynchronous motor |
| CN101325355A (en) * | 2007-06-14 | 2008-12-17 | 江门市洗衣机厂 | Three-phase winding Y-wiring single phase capacitance run motor for washing machine |
| CN201274423Y (en) * | 2008-10-07 | 2009-07-15 | 广东威灵电机制造有限公司 | Punched sheet for AC asynchronous motor |
| CN201515299U (en) * | 2009-10-01 | 2010-06-23 | 广东美芝制冷设备有限公司 | single-phase asynchronous motor |
| CN201690331U (en) * | 2010-04-02 | 2010-12-29 | 广东威灵电机制造有限公司 | Stator punching sheet of alternating current asynchronous motor |
| CN202004545U (en) * | 2011-01-30 | 2011-10-05 | 中山大洋电机制造有限公司 | Motor stator punching sheet |
| CN202285350U (en) * | 2011-09-28 | 2012-06-27 | 奉化市微分电机有限公司 | Motor stator stamped sheet structure with special-shaped slots |
| CN202940650U (en) * | 2012-11-08 | 2013-05-15 | 成都微精电机股份公司 | Stator punching sheet of alternating current motor |
| CN103227522A (en) * | 2013-04-28 | 2013-07-31 | 安徽美芝制冷设备有限公司 | Efficient aluminum conductor machine of refrigerator compressor |
| CN203883642U (en) * | 2014-03-28 | 2014-10-15 | 广东威灵电机制造有限公司 | Stator lamination and single-phase induction motor having the same |
-
2014
- 2014-03-28 CN CN201410123315.5A patent/CN103956871B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3942055A (en) * | 1974-10-16 | 1976-03-02 | General Electric Company | Hermetic motor stator |
| US4241274A (en) * | 1978-05-10 | 1980-12-23 | General Electric Company | Dynamoelectric machine and stationary assembly therefor |
| CN2229116Y (en) * | 1995-01-17 | 1996-06-12 | 王国臣 | Stator core plate for single phase asynchronous motor |
| CN101325355A (en) * | 2007-06-14 | 2008-12-17 | 江门市洗衣机厂 | Three-phase winding Y-wiring single phase capacitance run motor for washing machine |
| CN201274423Y (en) * | 2008-10-07 | 2009-07-15 | 广东威灵电机制造有限公司 | Punched sheet for AC asynchronous motor |
| CN201515299U (en) * | 2009-10-01 | 2010-06-23 | 广东美芝制冷设备有限公司 | single-phase asynchronous motor |
| CN201690331U (en) * | 2010-04-02 | 2010-12-29 | 广东威灵电机制造有限公司 | Stator punching sheet of alternating current asynchronous motor |
| CN202004545U (en) * | 2011-01-30 | 2011-10-05 | 中山大洋电机制造有限公司 | Motor stator punching sheet |
| CN202285350U (en) * | 2011-09-28 | 2012-06-27 | 奉化市微分电机有限公司 | Motor stator stamped sheet structure with special-shaped slots |
| CN202940650U (en) * | 2012-11-08 | 2013-05-15 | 成都微精电机股份公司 | Stator punching sheet of alternating current motor |
| CN103227522A (en) * | 2013-04-28 | 2013-07-31 | 安徽美芝制冷设备有限公司 | Efficient aluminum conductor machine of refrigerator compressor |
| CN203883642U (en) * | 2014-03-28 | 2014-10-15 | 广东威灵电机制造有限公司 | Stator lamination and single-phase induction motor having the same |
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|---|---|
| CN103956871A (en) | 2014-07-30 |
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