CN103986250B - Stator punching and the compressor electric motor with it - Google Patents
Stator punching and the compressor electric motor with it Download PDFInfo
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- CN103986250B CN103986250B CN201410232309.3A CN201410232309A CN103986250B CN 103986250 B CN103986250 B CN 103986250B CN 201410232309 A CN201410232309 A CN 201410232309A CN 103986250 B CN103986250 B CN 103986250B
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Abstract
The invention discloses a kind of stator punching and there is its compressor electric motor, wherein stator punching includes: body, described body has endoporus and the multiple stator slots connected with described endoporus, multiple described stator slots are along the circumferentially-spaced distribution of described endoporus, described stator slot includes sulculus, middle sulculus, middle groove and vat, the degree of depth of described sulculus is less than the degree of depth of described middle sulculus, the degree of depth of described middle sulculus is less than the degree of depth of described middle groove, the degree of depth of described middle groove is less than the degree of depth of described vat, described vat is 12, described middle groove is 4, described middle sulculus is 4, described sulculus is 4.Stator punching according to the present invention, reduces the size of stator punching, decreases and take up room, it is simple to the assembling in the compressor that space is less, what also save stator punching prepares material simultaneously, reduces cost.
Description
Technical field
The present invention relates to technical field of motors, more particularly, to a kind of stator punching and the compressor electric motor with it.
Background technology
Existing refrigerator compressor motor generally all adopts single-phase asynchronous motor.The stator punching of single-phase asynchronous motor adopts stalloy to make, and is shaped like rectangle.This motor by multiple stator punchings along the axially stacked one-tenth of motor together thus constituting stator core.The outline of stator punching is usually and is formed by connecting by two groups of parallel segments and two groups of chamferings, internal ring is evenly distributed with the line embedding groove for disposing motor winding, in order to save steel silicon chip, one of which parallel segment is longer, another group parallel segment is shorter, so that the distance between one group of parallel lines is more than the distance between another group parallel lines, and owing to line embedding groove size is identical, therefore the yoke portion width of outline straight line portion is much smaller than the yoke portion width of outer chamfered part, cause that the yoke of outline straight line portion is close close much larger than the yoke of outer chamfered part, both the output of motor had been affected, affect again the performance of motor.
Asynchronous machine grooved distribution on existing freezer compressor is essentially all 16 vats, 4 middle grooves, 4 sulculuses, this motor is assemblied in the compressor of miniaturization, because compressor space ratio is relatively limited, therefore, in order to meet motor matching requirements in compressor, there are improvement needs.
Summary of the invention
It is contemplated that solve one of above-mentioned technical problem at least to a certain extent.
For this, it is an object of the present invention to propose a kind of take up room little, save material stator punching.
Further object is that a kind of compressor electric motor with said stator punching of proposition.
The stator punching of embodiment according to a first aspect of the present invention, including: body, described body has endoporus and the multiple stator slots connected with described endoporus, multiple described stator slots are along the circumferentially-spaced distribution of described endoporus, described stator slot includes sulculus, middle sulculus, middle groove and vat, the degree of depth of described sulculus is less than the degree of depth of described middle sulculus, the degree of depth of described middle sulculus is less than the degree of depth of described middle groove, the degree of depth of described middle groove is less than the degree of depth of described vat, described vat is 12, described middle groove is 4, and described middle sulculus is 4, and described sulculus is 4.
Stator punching according to embodiments of the present invention, by setting up middle sulculus, and the number of the vat of stator slot is set as 12, middle sulculus, middle groove and sulculus are respectively set as 4, and the stator slot of this structure, ensureing on the basis of stator punching performance, reduces the size of stator punching, decrease and take up room, being easy to the assembling in the compressor that space is less, what also save stator punching prepares material simultaneously, reduces cost.
It addition, stator punching according to embodiments of the present invention, it is also possible to there is following additional technical characteristic:
According to one embodiment of present invention, the outline of described body is formed generally as rectangle, the lateral dimension of described body is less than longitudinal size, described body by by the center of described endoporus and extend transversely first be divided into four parts with reference to straight line and by the center of described endoporus and the second reference straight line of extending longitudinally, described sulculus includes two groups, often group includes the described sulculus of 2 continuous settings, two groups of sulculuses are symmetrical arranged with reference to straight line relative to described second, and 2 the described sulculuses often organized are symmetrical arranged with reference to straight line relative to described first.
According to one embodiment of present invention, described middle sulculus includes two groups, often group includes the described middle sulculus of 2 both sides being respectively provided at 2 sulculuses, and in two groups, sulculus is symmetrical arranged with reference to straight line relative to described second, and 2 the described middle sulculuses often organized are symmetrical arranged with reference to straight line relative to described first.
According to one embodiment of present invention, described middle groove includes two groups, and often group includes the described middle groove of 2 continuous settings, and in two groups, groove is symmetrical arranged with reference to straight line relative to described first, and 2 the described middle grooves often organized are symmetrical arranged with reference to straight line relative to described second.
According to one embodiment of present invention, described vat includes four groups, and often group includes the described vat of 3 continuous settings, and often group vat is respectively provided between adjacent described middle groove and middle sulculus.
According to one embodiment of present invention, the corner of described body is respectively formed as chamfering, it is positioned at the angle of the described chamfering above described first reference straight line more than the angle of the described chamfering being positioned at below described first reference straight line, is respectively equipped with the lower edge of described body parallel platform part with reference to the described chamfering below straight line with between the left margin of described body and edge, the right described first.
According to one embodiment of present invention, being respectively equipped with installing hole on the upper edge of contiguous described body and the position of lower edge on described body, two described installing holes are symmetrical arranged with reference to straight line relative to described first and each described installing hole is respectively relative to described second and is symmetrical arranged with reference to straight line.
According to one embodiment of present invention, described body being respectively equipped with auxiliary supported hole on the position of contiguous described platform part, two described auxiliary supported holes are symmetrical arranged with reference to straight line relative to described second.
According to one embodiment of present invention, the lateral dimension of described body is 81-85mm, and longitudinal size is 95-100mm, and the diameter of described endoporus is 48-56mm, and the width of rebate of described stator slot is 1.4-1.6mm, and the groove width of described stator slot is 2.0-2.6mm.
The compressor electric motor of embodiment according to a second aspect of the present invention, including: stator core, described stator core is made up of multiple stator punchings according to above-described embodiment；Winding, described winding technique is on described stator core and includes principal phase winding and parafacies winding.
The additional aspect of the present invention and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the structural representation of stator punching according to embodiments of the present invention.
Accompanying drawing labelling:
Stator punching 100；
Body 10；Upper left part 101；Upper right part 102；Lower left part 103；Lower right section 104；
Endoporus 11；Stator slot 12；Sulculus 121；Middle groove 122；Vat 123；Middle sulculus 124；
Chamfering 13；Platform part 14；Installing hole 15；Auxiliary supported hole 16.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " on ", D score, " vertically ", " level ", " top ", " end " " interior ", " outward ", etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be for only for ease of description the present invention and simplify describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more these features.In describing the invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
Stator punching 100 according to embodiments of the present invention is specifically described first below in conjunction with accompanying drawing.
As it is shown in figure 1, stator punching 100 according to embodiments of the present invention includes body 10.Specifically, body 10 has endoporus 11 and the multiple stator slots 12 connected with endoporus 11, multiple stator slots 12 are along the circumferentially-spaced distribution of endoporus 11, and stator slot 12 includes sulculus 121, middle sulculus 124, middle groove 122 and vat 123, and the degree of depth of sulculus 121 is less than the degree of depth of middle sulculus 124, the degree of depth of middle sulculus 124 is less than the degree of depth of middle groove 122, the degree of depth of middle groove 122 is less than the degree of depth of vat 123, and vat 123 is 12, and middle groove 122 is 4, middle sulculus is 4, and sulculus 121 is 4.
Thus, stator punching 100 according to embodiments of the present invention, by setting up middle sulculus 124, and the number of the vat 123 of stator slot 12 being set as 12, middle groove 122, middle sulculus 124 and sulculus 121 are respectively set as 4, the stator slot 12 of this structure is ensureing on the basis of stator punching 100 performance, reduce the size of stator punching 100, decrease and take up room, it is simple to the assembling in the compressor that space is less, what also save stator punching 100 prepares material simultaneously, reduces cost.
The shape of stator punching 100 can carry out reasonable adjusting according to its structure needing the motor assembled, alternatively, according to one embodiment of present invention, the outline of body 10 is formed generally as rectangle, the lateral dimension of body 10 less than longitudinal size, body 10 by by the center of endoporus 11 and extend transversely first with reference to straight line (straight line X as shown in Figure 1) and by the center of endoporus 11 and extend longitudinally second be divided into four parts with reference to straight line (straight line Y as shown in Figure 1).
Wherein, sulculus 121 includes two groups, and often group includes the sulculus 121 of 2 continuous settings, and two groups of sulculuses 121 are symmetrical arranged with reference to straight line Y relative to second, and 2 sulculuses 121 often organized are symmetrical arranged with reference to straight line X relative to first.
In other words, the outline of stator punching 100 is formed generally as rectangle, the long edge vertical direction of body 10, and namely length direction extends, and in the horizontal direction, namely width extends minor face, and endoporus 11 be the duct that formation is the center of circle on body 10 and with the center of body 10.First reference straight line X is through the center of circle of endoporus 11 and horizontally extending straight line, and endoporus 11 is divided into laterally zygomorphic two parts with reference to straight line X by first.Second reference straight line Y is the straight line at the axis of symmetry place of body 10 in the vertical direction, endoporus 11 is divided into symmetrical two parts with reference to straight line Y by second, and namely body 10 is divided into upper left part 101, upper right part 102, lower left part 103 and lower right section 104 4 part with reference to straight line X and the second with reference to straight line Y by first jointly.
4 sulculuses 121 are divided into two groups, often organize and include 2 sulculuses 121 respectively, and two groups of sulculuses 121 lay respectively at left and right two parts of body 10, and are symmetrical arranged for axis of symmetry with second with reference to straight line Y.2 sulculuses 121 often organized are divided into two groups, often 2 sulculuses 121 of group lay respectively at two parts up and down of body 10, and it is symmetrical arranged for axis of symmetry with reference to straight line X with first, namely the upper left part 101 of body 10, upper right part 102, lower left part 103 and lower right section 104 is respectively equipped with 1 sulculus 121.Wherein, 1 sulculus 121 of upper left part 101 and 1 sulculus 121 of lower left part 103 are arranged continuously, and 1 sulculus 121 of upper right part 102 and 1 sulculus 121 of lower right section 104 are arranged continuously.
Thus, the stator punching 100 of this structure is further with the rectangular configuration of body 10, the width of body 10 arranges the less sulculus of the degree of depth 121, body 10 space in the direction of the width can be made full use of, need not have very big width by stator punching 100, while controlling the size of body 10, it is ensured that enough groove areas carry out lifting motor efficiency.
Preferably, according to one embodiment of present invention, middle sulculus 124 includes two groups, often group includes the middle sulculus 124 of 2 both sides being respectively provided at 2 sulculuses 121, in two groups, sulculus 124 is symmetrical arranged with reference to straight line Y relative to second, and 2 the middle sulculuses 124 often organized are symmetrical arranged with reference to straight line X relative to first.
Specifically, middle sulculus 124 is divided into two groups, often organizes and includes 2 middle sulculuses 124 respectively.In two groups, sulculus 124 lays respectively at left and right two parts of body 10, and is symmetrical arranged for axis of symmetry with second with reference to straight line Y.2 the middle sulculuses 124 often organized lay respectively at two parts up and down of body 10, and it is symmetrical arranged for axis of symmetry with first with reference to straight line X, namely the upper left part 101 of body 10, upper right part 102, lower left part 103 and lower right section 104 are respectively equipped with 1 middle sulculus 124, and each sulculus 124 being arranged on left part 101, upper right part 102, lower left part 103 and lower right section 104 is respectively adjacent to the sulculus 121 being positioned at the same position of body 10 and arranges.
That is, 2 sulculuses 121 that 1 sulculus 124 of 1 sulculus 124 being arranged in left part 101 on body 10 and the lower left part 103 being arranged in body 10 will be located on the left of body 10 are clipped in the middle, and 2 sulculuses 121 that 1 sulculus 124 of 1 sulculus 124 being arranged in right part 102 on body 10 and the lower right section 104 being arranged in body 10 will be located on the right side of body 10 are clipped in the middle.
The size being slightly larger in dimension than sulculus 121 of middle sulculus 124,4 middle sulculuses 124 arrange towards the left and right sides of body 10 and have certain inclination respectively up and down, it is possible to the degree of depth of sulculus 124 in intensification.The middle sulculus 124 of this structure takes full advantage of the body 10 space longitudinally and between width, while controlling the size of body 10, it is possible to carry out lifting motor efficiency by increasing groove area.
In certain specific embodiments of the invention, middle groove 122 includes two groups, and often group includes the middle groove 122 of 2 continuous settings, and in two groups, groove 122 is symmetrical arranged with reference to straight line X relative to first, and 2 the middle grooves 122 often organized are symmetrical arranged with reference to straight line Y relative to second.
As it is shown in figure 1,4 middle grooves 122 are divided into two groups, often group includes 2 middle grooves 122, and in two groups, groove 122 lays respectively at two parts up and down of body 10, and is symmetrical arranged for axis of symmetry with first with reference to straight line X.2 the middle grooves 122 often organized are divided into two groups, often 1 middle groove 122 of group lays respectively at left and right two parts of body 10, and it is symmetrical arranged for axis of symmetry with reference to straight line Y with second, namely the upper left part 101 of body 10, upper right part 102, lower left part 103 and lower right section 104 are respectively equipped with 1 middle groove 122.Wherein, 1 middle groove 122 of upper left part 101 and 1 middle groove 122 of upper right part 102 are arranged continuously, and 1 middle groove 122 of lower left part 103 and 1 middle groove 122 of lower right section 104 are arranged continuously.
Thus, the stator punching 100 of this structure takes full advantage of the rectangular configuration of body 10, the length direction of body 10 arranges the degree of depth middle groove 122 less than vat 123, body 10 space longitudinally can be made full use of, and need not have very big length by body 10, while controlling the size of body 10, it is ensured that enough groove areas carry out lifting motor efficiency.
Further, according to one embodiment of present invention, vat 123 includes four groups, and often group includes the vat 123 of 3 continuous settings, and often group vat 123 is respectively provided between adjacent middle groove 122 and middle sulculus 124.
Specifically, the upper left part 101 of stator punching 100, upper right part 102, lower left part 103 and lower right section 104 being respectively equipped with 122,1 middle sulculus 124 of 1 middle groove and 1 sulculus 121, in wherein, sulculus 124 is located between 1 middle groove 122 and 1 sulculus 121.12 vats 123 are divided into 4 groups, lay respectively on the upper left part 101 of stator punching 100, upper right part 102, lower left part 103 and lower right section 104, and often group 3, and often organize 3 vats 123 is respectively provided between 1 middle groove 122 and 1 middle sulculus 124.
That is, the upper left part 101 of stator punching 100, upper right part 102, lower left part 103 and lower right section 104 are respectively equipped with 3 vats 123, 3 vats 123 being positioned at left part 101 and 3 vats 123 being positioned at right part 102 are symmetrical arranged with reference to straight line Y relative to second, 3 vats 123 being positioned at lower left part 103 and 3 vats 123 being positioned at lower right section 104 are symmetrical arranged with reference to straight line Y relative to second, 3 vats 123 being positioned at left part 101 and 3 vats 123 being positioned at lower left part 103 are symmetrical arranged with reference to straight line X relative to first, 3 vats 123 being positioned at right part 102 and 3 vats 123 being positioned at lower right section 104 are symmetrical arranged with reference to straight line X relative to first.
Owing to the degree of depth of vat 123 is the deepest, vat 123 is located between middle groove 122 and middle sulculus 124, vat 123 is in the body 10 space longitudinally and between width, and it is positioned on cornerwise position of stator punching 100, cornerwise length of rectangular configuration is more than the length and width of rectangular configuration, the space of the diagonal position of stator punching 100 can be made full use of, while reaching the size of control body 10, the degree of depth and the number of vat 123 can be improved, it is possible to be further ensured that enough groove areas carry out lifting motor efficiency.
Thus, the size reduction of stator punching 100 according to embodiments of the present invention, there is the feature such as miniaturization, high efficiency, can be assemblied in limited motor space, and stator punching 100 is while ensureing to save material, sulculus 121, middle sulculus 124, middle groove 122 and vat 123 sequentially symmetrically arranged arrangement architecture on stator punching 100, the yoke portion width making body 10 keeps consistent substantially, so that the magnetic flux density of stator punching 100 is uniformly distributed, substantially increase the operational efficiency of motor, be effectively ensured the performance of the motor being assembled with stator punching 100.
An embodiment according to invention, the corner of body 10 is respectively formed as chamfering 13, it is positioned at the angle angle more than the chamfering 13 being positioned at below the first reference straight line X of the chamfering 13 above the first reference straight line X, is respectively equipped with, with reference to the chamfering 13 of X below straight line and between the left margin of body 10 and edge, the right, the platform part 14 that the lower edge of lower edge and body 10 be arranged in parallel first.
As shown in Figure 1, four angles of body 10 are respectively formed as chamfering 13 structure of rounding off, it is positioned at the upper left part 101 of body 10 and two chamferings 13 of upper right part 102 to be symmetrical arranged with reference to straight line Y relative to second, is positioned at the lower left part 103 of body 10 and two chamferings 13 of lower right section 104 and is symmetrical arranged with reference to straight line Y relative to second.
It is positioned at the arcuate structure of the upper left part 101 of body 10 and two chamferings 13 of the upper right part 102 height in the vertical direction arcuate structure height in the vertical direction more than two chamferings 13 of the lower left part 103 and lower right section 104 that are positioned at body 10, and being positioned at the lower left part 103 of body 10 and two chamferings 13 of lower right section 104 and be respectively equipped with a platform part 14 on the left margin of adjacent body 10 and the side on edge, the right, the lower edge of the lower edge of platform part 14 and body 10 be arranged in parallel.
Thus, by arranging chamfering 13, be equivalent to highlight upper edge and the lower edge of body 10, make stator punching 100 when stock layout, stator punching 100 can be carried out Heterogeneous Permutation, on the silicon strip that width reduces still can the constant stator punching 100 of punching size constancy, quantity, improve stock utilization, reduce motor cost.
In order to realize the assembling of stator punching 100, according to one embodiment of present invention, being respectively equipped with installing hole 15 on the upper edge of adjacent body 10 and the position of lower edge on body 10, two installing holes 15 are symmetrical arranged with reference to straight line X relative to first and each installing hole 15 is respectively relative to second and is symmetrical arranged with reference to straight line Y.Further, body 10 being respectively equipped with on the position of contiguous platform part 14 auxiliary supported hole 16, two auxiliary supported holes 16 are symmetrical arranged with reference to straight line Y relative to second.
Specifically, as it is shown in figure 1, installing hole 15 is located in the central symmetry axis of stator punching 100, stator punching 100 can pass through to adopt the mode of stator screw to fasten on the compressor installing hole 15, and auxiliary supported hole 16 adopts the mode that auxiliary supports.The spring of stator screw is assemblied on installing hole 15, and this place is the position that motor stator silk covered wire amount is minimum, so can fully ensure that the security appliance distance between stator spring and stator line bag.Multiple stator punchings 100 assembling process in motor and assembling structure are appreciated that to those skilled in the art and easily realize, and are therefore not described in detail.
Thus, adopt the assembling mode of this structure, can the overall dimensions of stator punching 100 be accomplished minimum, ensure that the height in the yoke portion of punching stator 100 is basically identical, reduce the size of stator punching 100 to greatest extent, under the little trimming dimensional conditions of stator core stamping sheet, improve electric efficiency to greatest extent.
In order to control the size of stator punching 100 further, according to one embodiment of present invention, the lateral dimension of body 10 is 81-85mm, and longitudinal size is 95-100mm, and the diameter of endoporus 11 is 48-56mm.Further, the width of rebate of stator slot 12 is 1.4-1.6mm, and the groove width of stator slot 12 is 2.0-2.6mm.
In certain specific embodiments of the invention, the lateral dimension of body 10 can be 83mm, and longitudinal size is 98.1mm.The stator punching 100 of this size can be mainly used to manufacture aluminum steel or copper cash motor.Endoporus 11 is used for laying rotor, and diameter can be 52mm, and the diameter of each installing hole 15 can be 5.5mm.
Stator slot 12 can be flat-bottom slot, and multiple stator slots 12 are evenly distributed in the circumference of endoporus 11, and the notch of stator slot 12 is semiclosed mouth, and width of rebate is 1.4-1.6mm, and the width of stator slot 12 is 2.0-2.7mm.Thus, the stator punching 100 of this structure can have certain size so that the motor assembling this stator punching 100 has the feature of miniaturization, high efficiency, low cost, improves the performance of motor.
Compressor electric motor according to embodiments of the present invention includes stator core and winding, and wherein stator core is made up of multiple stator punchings 100 according to above-described embodiment, and winding technique is on stator core and includes principal phase winding and parafacies winding.Owing to stator punching 100 according to the above embodiment of the present invention has above-mentioned technique effect, therefore, compressor electric motor according to embodiments of the present invention also has corresponding technique effect, namely there is the feature of miniaturization, high efficiency, low cost, can be assemblied in the compressor of limited space, the line bag of motor and the spring at installing hole 15 place have enough safe distances, and the performance of motor is effectively ensured.
Other compositions of compressor electric motor according to embodiments of the present invention and operation are all known for those of ordinary skills, are not detailed herein.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, being not considered as limiting the invention, above-described embodiment can be changed when without departing from principles of the invention and objective, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (8)
1. a stator punching, it is characterised in that including:
Body, described body has endoporus and the multiple stator slots connected with described endoporus, multiple described stator slots are along the circumferentially-spaced distribution of described endoporus, described stator slot includes sulculus, middle sulculus, middle groove and vat, the degree of depth of described sulculus is less than the degree of depth of described middle sulculus, the degree of depth of described middle sulculus is less than the degree of depth of described middle groove, the degree of depth of described middle groove is less than the degree of depth of described vat, described vat is 12, described middle groove is 4, described middle sulculus is 4, described sulculus is 4, the outline of described body is formed generally as rectangle, the lateral dimension of described body is less than longitudinal size, described body by by the center of described endoporus and extend transversely first be divided into four parts with reference to straight line and by the center of described endoporus and the second reference straight line of extending longitudinally,
Described sulculus includes two groups, often group includes the described sulculus of 2 continuous settings, two groups of sulculuses are symmetrical arranged with reference to straight line relative to described second, 2 the described sulculuses often organized are symmetrical arranged with reference to straight line relative to described first, described middle sulculus includes two groups, often group includes the described middle sulculus of 2 both sides being respectively provided at 2 sulculuses, and in two groups, sulculus is symmetrical arranged with reference to straight line relative to described second, and 2 the described middle sulculuses often organized are symmetrical arranged with reference to straight line relative to described first.
2. stator punching according to claim 1, it is characterized in that, described middle groove includes two groups, and often group includes the described middle groove of 2 continuous settings, in two groups, groove is symmetrical arranged with reference to straight line relative to described first, and 2 the described middle grooves often organized are symmetrical arranged with reference to straight line relative to described second.
3. stator punching according to claim 2, it is characterised in that described vat includes four groups, often group includes the described vat of 3 continuous settings, and often group vat is respectively provided between adjacent described middle groove and middle sulculus.
4. the stator punching according to claim 1 or 3, it is characterized in that, the corner of described body is respectively formed as chamfering, it is positioned at the angle of the described chamfering above described first reference straight line more than the angle of the described chamfering being positioned at below described first reference straight line, is respectively equipped with the lower edge of described body parallel platform part with reference to the described chamfering below straight line with between the left margin of described body and edge, the right described first.
5. stator punching according to claim 4, it is characterized in that, being respectively equipped with installing hole on the upper edge of contiguous described body and the position of lower edge on described body, two described installing holes are symmetrical arranged with reference to straight line relative to described first and each described installing hole is respectively relative to described second and is symmetrical arranged with reference to straight line.
6. stator punching according to claim 5, it is characterised in that be respectively equipped with auxiliary supported hole on the position of contiguous described platform part on described body, two described auxiliary supported holes are symmetrical arranged with reference to straight line relative to described second.
7. the stator punching according to claim 1 or 3, it is characterised in that the lateral dimension of described body is 81-85mm, longitudinal size is 95-100mm, the diameter of described endoporus is 48-56mm, and the width of rebate of described stator slot is 1.4-1.6mm, and the groove width of described stator slot is 2.0-2.6mm.
8. a compressor electric motor, it is characterised in that including:
Stator core, described stator core is made up of multiple stator punchings according to any one of claim 1-7；Winding, described winding technique is on described stator core and includes principal phase winding and parafacies winding.
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| CN201410232309.3A CN103986250B (en) | 2014-05-28 | 2014-05-28 | Stator punching and the compressor electric motor with it |
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| CN201410232309.3A CN103986250B (en) | 2014-05-28 | 2014-05-28 | Stator punching and the compressor electric motor with it |
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| US4864177A (en) * | 1987-12-16 | 1989-09-05 | Yang Tai Her | Stator lamination design for two-pole single-phase induction motor |
| US4982129A (en) * | 1988-09-21 | 1991-01-01 | Empresa Brasileira De Compressores | Single phase asynchronous motor with two magnetic poles |
| US5998904A (en) * | 1997-06-30 | 1999-12-07 | Mitsubishi Heavy Industries, Ltd. | Motor |
| CN1233357A (en) * | 1997-08-11 | 1999-10-27 | 株式会社芝浦制作所 | Capacitor motor |
| CN201541154U (en) * | 2009-08-06 | 2010-08-04 | 浙江绍兴新星机电有限公司 | Motor stator punching sheet and motor rotor punching sheet for refrigeration compressor |
| CN102364820A (en) * | 2011-10-17 | 2012-02-29 | 黄石艾博科技发展有限公司 | Alternating current (ac) motor stator core of compressor and wire embedding method thereof |
| CN203911604U (en) * | 2014-05-28 | 2014-10-29 | 安徽美芝制冷设备有限公司 | Stator punching sheet and compressor motor containing same |
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|---|---|
| CN103986250A (en) | 2014-08-13 |
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