CN204947752U - Stator punching and the compressor with it - Google Patents
Stator punching and the compressor with it Download PDFInfo
- Publication number
- CN204947752U CN204947752U CN201520682371.2U CN201520682371U CN204947752U CN 204947752 U CN204947752 U CN 204947752U CN 201520682371 U CN201520682371 U CN 201520682371U CN 204947752 U CN204947752 U CN 204947752U
- Authority
- CN
- China
- Prior art keywords
- stator
- yoke
- slot
- endoporus
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000004080 punching Methods 0.000 title claims abstract description 48
- 210000000515 tooth Anatomy 0.000 claims abstract description 6
- 238000009966 trimming Methods 0.000 claims description 34
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 abstract description 10
- 238000004804 winding Methods 0.000 abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- 230000007115 recruitment Effects 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 239000004411 aluminium Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a kind of stator punching and there is its compressor, stator punching comprises: stator yoke, and described stator yoke has endoporus, and described stator yoke is provided with multiple stator tooth arranged spaced apart along the circumference of described endoporus, stator slot is limited between adjacent two described stator tooths, the number of described stator slot is k, and the width of stator tooth is D, and the radius of endoporus is R, wherein, k >=20 and be even number, D=A ± 0.2, A=π * R/k*0.9.According to the stator punching of the utility model embodiment, by reducing the width of stator tooth, the area of stator slot can be increased, stator punching is when for motor, the aluminum steel that more costs are lower can be placed, when motor height reaches capacity, make the recruitment of motor winding loss be less than the recruitment of iron loss, thus the performance of lifting motor, reach again the object reducing motor cost simultaneously.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, more specifically, relates to a kind of stator punching and has its compressor.
Background technology
Current compressor electric machine with aluminium winding is produced in a large number, and especially in freezer compressor field, electric machine with aluminium winding has accounted for 80% of sales volume, and compressor of air conditioner field also starts to use electric machine with aluminium winding gradually.For air conditioner compressor motor, though aluminum steel properties of product are in the market close to copper cash machine, cost declines limited, and in conjunction with producting process difficulty and the quality control difficulty of electric machine with aluminium winding, general effect is not satisfactory.The stator punching line embedding groove area of the electric machine with aluminium winding that current compressor uses is suitable with copper cash machine, the gross area comprises less than 15% of area in outer, punching yoke portion, its teeth portion width is close to B (in B=punching circular diameter * π/groove number), cause groove area less like this, be unfavorable for the placement of more low cost enamelled wires, be unfavorable for the motor high efficiency under more low cost.
Utility model content
The utility model is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, the utility model proposes a kind of stator punching, this stator laminating structure is simple, and cost is low, and efficiency is high.
The utility model also proposes a kind of compressor with said stator punching.
According to the stator punching of the utility model first aspect, comprise: stator yoke, described stator yoke has endoporus, and described stator yoke is provided with multiple stator tooth arranged spaced apart along the circumference of described endoporus, stator slot is limited between adjacent two described stator tooths, the number of described stator slot is k, and the width of stator tooth is D, and the radius of endoporus is R, wherein, k >=20 and be even number, D=A ± 0.2, A=π * R/k*0.9.
According to stator punching of the present utility model, by reducing the width of stator tooth, the area of stator slot can be increased, stator punching is when for motor, the aluminum steel that more costs are lower can be placed, when motor height reaches capacity, make the recruitment of motor winding loss be less than the recruitment of iron loss, thus the performance of lifting motor, reach again the object reducing motor cost simultaneously.
In addition, according to stator punching of the present utility model, following additional technical characteristic can also be had:
According to an embodiment of the present utility model, the stator groove depth of each described stator slot is 1.8-2.6 times of groove shoulder breadth.
According to an embodiment of the present utility model, the outline of described stator yoke is formed as circular substantially, and the ratio range of the external diameter of described stator yoke and the radius of described endoporus is 1.90-2.05.
According to an embodiment of the present utility model, the outline of described stator yoke has multiple along the arranged spaced apart and trimming facing each other of its circumference.
According to an embodiment of the present utility model, described trimming is two, and multiple described stator slot is uniformly distributed along the circumference of described endoporus is spaced apart.
According to an embodiment of the present utility model, described trimming is four, and four described trimmings are uniformly distributed along the circumference of described stator yoke is spaced apart, and multiple described stator slot is uniformly distributed along the circumference of described endoporus is spaced apart.
According to an embodiment of the present utility model, described trimming is four, four described trimmings are uniformly distributed along the circumference of described stator yoke is spaced apart, described stator slot comprises multiple vat and multiple sulculus, the number of described vat and described sulculus is respectively even number, and each described sulculus lays respectively at just to the position of described trimming.
According to an embodiment of the present utility model, in the plane of the axis direction perpendicular to described stator yoke, the gross area of multiple described stator slot is the 18%-22% of the area of described stator yoke.
According to an embodiment of the present utility model, the width of rebate of described stator slot is 2.0mm-2.5mm.
According to the compressor of the utility model second aspect, comprise the stator punching according to above-described embodiment.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the stator punching according to the utility model embodiment;
Fig. 2 is the structural representation of the stator slot of stator punching according to the utility model embodiment;
Fig. 3 is the structural representation of the stator punching according to another embodiment of the utility model;
Fig. 4 is the structural representation of the stator punching according to another embodiment of the utility model;
Fig. 5 is the graph of a relation of electric efficiency according to the stator punching of the utility model embodiment and stator slot area.
Reference numeral:
Stator punching 100;
Stator yoke 10; Endoporus 11; Stator tooth 12; Stator slot 13; Trimming 14.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
First the stator punching 100 according to the utility model embodiment is specifically described by reference to the accompanying drawings below.
As shown in Figures 1 to 4, stator punching 100 according to the utility model embodiment comprises stator yoke 10, and stator yoke 10 has endoporus 11, and stator yoke 10 is provided with multiple stator tooth 12 arranged spaced apart along the circumference of endoporus 11, stator slot 13 is limited between adjacent two stator tooths 12, the number of stator slot 13 is k, and the width of stator tooth 12 is D, and the radius of endoporus 11 is R, wherein, k >=20 and be even number, D=A ± 0.2, A=π * R/k*0.9.
In other words, stator punching 100 according to the utility model embodiment is formed primarily of stator yoke 10, stator yoke 10 center is provided with endoporus 11, stator yoke 10 is provided with multiple stator tooth 12, multiple stator tooth 12 is arranged spaced apart along the circumference of endoporus 11, the stator slot 13 with endoporus 11 conducting is limited between any two stator tooths 12, the number of stator slot 13 is greater than 20 and is even number, the number of stator slot 13 is k, the width of stator tooth 12 is D, the radius of endoporus 11 is R, k, D and R meets following relational expression:
D＝A±0.2，A＝π*R/k*0.9。
Thus, according to the stator punching 100 of the utility model embodiment, by suitably reducing the width of stator tooth 12, can increase the area of stator slot 13 to a certain extent, stator punching 100, when for motor, can place the aluminum steel that more costs are lower, when motor height reaches capacity, the recruitment of motor winding loss is made to be less than the recruitment of iron loss, thus the performance of lifting motor, reach again the object reducing motor cost simultaneously.
According to an embodiment of the present utility model, the stator groove depth of each stator slot 13 is 1.8-2.6 times of groove shoulder breadth.Preferably, the width of rebate of stator slot 13 is 2.0mm-2.5mm.
Particularly, as shown in Figure 2, in this application, the stator groove depth of stator slot 13 refers to the length in Fig. 2 represented by H, and the groove shoulder breadth of stator slot 13 refers to that the length in Fig. 2 represented by C, the width of rebate of stator slot 13 are then the width of the opening part of stator slot 13.
Wherein it should be noted that, the stator groove depth of stator slot 13 and the proportionate relationship of groove shoulder breadth refer to the stator groove depth of each stator slot 13 and the proportionate relationship of groove shoulder breadth, the stator groove depth of stator slot 13 and the definition of groove shoulder breadth are all understandable to those skilled in the art, are therefore not described in detail.
In embodiments more of the present utility model, in the plane of the axis direction perpendicular to stator yoke 10, the gross area of multiple stator slot 13 is the 18%-22% of the area of stator yoke 10.
That is, vertically example is extended to the axis of stator yoke 10, suppose that stator slot 13 and stator yoke 10 distinguish projectable in the horizontal plane, then the gross area of stator slot 13 projection is in the horizontal plane the 18%-22% of the gross area of stator yoke 10 projection in the horizontal plane.Wherein, stator yoke 10 refers to the part not comprising stator tooth 12 of stator punching 100.
Thus, according to the stator punching 100 of the utility model embodiment, by the stator groove depth of stator slot 13 being set to the 1.8-2.6 of groove shoulder breadth doubly, add the stator groove depth of stator slot 13 to a certain extent, namely be equivalent to the width decreasing stator yoke, the area of stator slot 13 can be improved further, such as, the gross area of stator slot 13 can be increased to the 18%-22% of the gross area of stator yoke 10, thus reduce costs further, improve the performance of motor.
In embodiments more of the present utility model, the outline of stator yoke 10 is formed as circular substantially, and the ratio range of the external diameter of stator yoke 10 and the radius of endoporus 11 is 1.90-2.05.Preferably, the outline of stator yoke 10 has multiple along the arranged spaced apart and trimming 14 facing each other of its circumference.
Particularly, as shown in Figure 4, trimming 14 is two, and multiple stator slot 13 is uniformly distributed along the circumference of endoporus 11 is spaced apart.Namely in this application, the outline of stator yoke 10 has two trimmings be oppositely arranged 14, and multiple stator slot 13 size is identical, and is arranged in equably in stator yoke 10.Wherein, be oppositely arranged and refer to that two trimmings 14 are symmetrical relative to the symmetry axis of stator yoke 10.
As shown in Figure 3, in other embodiments of the application, trimming 14 is four, and four trimmings 14 are uniformly distributed along the circumference of stator yoke 10 is spaced apart, and multiple stator slot 13 is uniformly distributed along the circumference of endoporus 11 is spaced apart.Wherein, stator slot 13 can be set to 24 grooves such as grade and joins cloth.
That is, in this application, the outline of stator yoke 10 has in four trimmings, 14, four trimmings 14 and is oppositely arranged between two, and multiple stator slot 13 size is identical, and is arranged in equably in stator yoke 10.
According to an embodiment of the present utility model, trimming 14 is four, four trimmings 14 are uniformly distributed along the circumference of stator yoke 10 is spaced apart, stator slot 13 comprises multiple vat 131 and multiple sulculus 132, the number of vat 131 and sulculus 132 is respectively even number, and each sulculus 132 lays respectively at just to the position of trimming 14.
Particularly, as shown in Figure 1, in this application, the outline of stator yoke 10 has equally in four trimmings, 14, four trimmings 14 and is oppositely arranged between two, and multiple stator slot 13 is not that size is all identical, but is made up of a part of vat 131 and a part of sulculus 132.
Wherein, the size of vat 131 and sulculus 132 is comparatively speaking, namely the groove depth of vat 131 and groove shoulder breadth than the groove depth of sulculus 132 and groove shoulder breadth large, the concrete size of vat 131 and sulculus 132 can carry out reasonable adjusting according to needs of production.
In FIG, four trimmings 14 of stator yoke 10 to lay respectively in Fig. 1 four positions up and down, correspondingly, sulculus 132 is also positioned at four positions up and down of stator yoke 10, and each sulculus 132, respectively just to the trimming 14 of relevant position, just can be two to the sulculus 132 of each trimming 14.
Thus, the stator punching 100 according to the utility model embodiment can adopt different structures according to the requirement of different motor, and structure is simple, easy to prepare, with low cost, and highly versatile.
Describe according to stator punching 100 of the present utility model below in conjunction with specific embodiment.
As shown in Figure 1, in the stator punching 100 of the present embodiment, comprise stator slot 13, stator tooth 12, stator yoke 10 and be positioned at the endoporus 11 for placing rotor at stator yoke 10 center, stator slot 13 notch evenly joins cloth at endoporus 11 circumferentially, core material between stator slot 13 and stator slot 13 forms stator tooth 12, and stator slot 13 bottom outside and punching outer profile form stator yoke 10.
Stator yoke 10 periphery is the similar round shape with trimming 14, this routine trimming 14 number is 4, A ± 0.2 (A=π * punching inner circle radius R/ number of stator slots K*0.9) is set to by wide for stator tooth 12, in this application, the facewidth of stator tooth 12 is 3.6mm, stator slot 13 is even number, and be made up of vat 131 and sulculus 132, sulculus 132 is positioned at the inner side being right against outer trimming 14, stator slot 13 is set to the 1.8-2.6 of groove shoulder breadth doubly deeply, the present embodiment adopts 16 vats 131, the structure of 8 sulculuses 132, vat 131 is 2.5 times of groove shoulder breadth deeply, sulculus 132 is 2.0 times of groove shoulder breadth deeply, the gross area of stator slot 13 is the 18%-22% that stator yoke 10 periphery comprises area, the present embodiment is 20%.
According to the stator punching 100 of the utility model above-described embodiment, adopt the structure of main winding aluminum steel, auxiliary winding copper cash, its electric efficiency is illustrated in fig. 5 shown below, and between groove area accounting 18%-22%, electric efficiency is the highest.
The stator punching 100 according to above-described embodiment is comprised according to the compressor of the utility model embodiment, because the stator punching 100 according to the utility model above-described embodiment has above-mentioned technique effect, therefore, compressor according to the utility model embodiment also has corresponding technique effect, namely structure is simple, with low cost, and efficiency is high.
According to the compressor of the utility model embodiment other form and operation be all known for those of ordinary skills, be not described in detail here.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
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 to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.
Claims (10)
1. a stator punching, is characterized in that, comprising: stator yoke, described stator yoke has endoporus, described stator yoke is provided with multiple stator tooth arranged spaced apart along the circumference of described endoporus, limits stator slot between adjacent two described stator tooths, and the number of described stator slot is k, the width of stator tooth is D, the radius of endoporus is R, wherein, and k >=20 and be even number, D=A ± 0.2, A=π * R/k*0.9.
2. stator punching according to claim 1, is characterized in that, the stator groove depth of each described stator slot is 1.8-2.6 times of groove shoulder breadth.
3. stator punching according to claim 1, is characterized in that, the outline of described stator yoke is formed as circular substantially, and the ratio range of the external diameter of described stator yoke and the radius of described endoporus is 1.90-2.05.
4. stator punching according to claim 1, is characterized in that, the outline of described stator yoke has multiple along the arranged spaced apart and trimming facing each other of its circumference.
5. stator punching according to claim 4, is characterized in that, described trimming is two, and multiple described stator slot is uniformly distributed along the circumference of described endoporus is spaced apart.
6. stator punching according to claim 4, is characterized in that, described trimming is four, and four described trimmings are uniformly distributed along the circumference of described stator yoke is spaced apart, and multiple described stator slot is uniformly distributed along the circumference of described endoporus is spaced apart.
7. stator punching according to claim 4, it is characterized in that, described trimming is four, four described trimmings are uniformly distributed along the circumference of described stator yoke is spaced apart, described stator slot comprises multiple vat and multiple sulculus, the number of described vat and described sulculus is respectively even number, and each described sulculus lays respectively at just to the position of described trimming.
8. the stator punching according to any one of claim 1-7, is characterized in that, in the plane of the axis direction perpendicular to described stator yoke, the gross area of multiple described stator slot is the 18%-22% of the area of described stator yoke.
9. the stator punching according to any one of claim 1-7, is characterized in that, the width of rebate of described stator slot is 2.0mm-2.5mm.
10. a compressor, is characterized in that, comprises the stator punching according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682371.2U CN204947752U (en) | 2015-09-02 | 2015-09-02 | Stator punching and the compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682371.2U CN204947752U (en) | 2015-09-02 | 2015-09-02 | Stator punching and the compressor with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204947752U true CN204947752U (en) | 2016-01-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520682371.2U Withdrawn - After Issue CN204947752U (en) | 2015-09-02 | 2015-09-02 | Stator punching and the compressor with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204947752U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099016A (en) * | 2015-09-02 | 2015-11-25 | 广东美芝制冷设备有限公司 | Stator punching plate and compressor with same |
| EP3525319A4 (en) * | 2016-10-31 | 2019-10-02 | Guangdong Meizhi Precision-Manufacturing Co., Ltd. | STATOR, ENGINE AND COMPRESSOR FOR ENGINE |
| CN111463916A (en) * | 2020-04-30 | 2020-07-28 | 四川富生电器有限责任公司 | Stator punching sheet of household air-conditioning compressor motor |
-
2015
- 2015-09-02 CN CN201520682371.2U patent/CN204947752U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099016A (en) * | 2015-09-02 | 2015-11-25 | 广东美芝制冷设备有限公司 | Stator punching plate and compressor with same |
| CN105099016B (en) * | 2015-09-02 | 2018-05-11 | 广东美芝制冷设备有限公司 | Stator punching and there is its compressor |
| EP3525319A4 (en) * | 2016-10-31 | 2019-10-02 | Guangdong Meizhi Precision-Manufacturing Co., Ltd. | STATOR, ENGINE AND COMPRESSOR FOR ENGINE |
| US10938257B2 (en) | 2016-10-31 | 2021-03-02 | Guangdong Meizhi Precision-Manufacturing Co., Ltd. | Stator for motor, motor and compressor |
| CN111463916A (en) * | 2020-04-30 | 2020-07-28 | 四川富生电器有限责任公司 | Stator punching sheet of household air-conditioning compressor motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160106 Effective date of abandoning: 20180511 |