CN102364821B - Alternating-current motor stator of compressor - Google Patents
Alternating-current motor stator of compressor Download PDFInfo
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- CN102364821B CN102364821B CN 201110314492 CN201110314492A CN102364821B CN 102364821 B CN102364821 B CN 102364821B CN 201110314492 CN201110314492 CN 201110314492 CN 201110314492 A CN201110314492 A CN 201110314492A CN 102364821 B CN102364821 B CN 102364821B
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Abstract
The invention relates to a mechanical-electrical integrated alternating-current motor stator of a compressor, which is characterized in that: four corner azimuths of an iron core body are provided with stator installing holes 5, a connection line of the four stator installing holes is square, main coil embedding grooves and auxiliary coil embedding grooves are arranged corresponding to four sides of the square, each side is uniformly distributed with 3-6 main and auxiliary coil embedding grooves, two diagonal lines corresponding to the four stator installing holes, between the main coil embedding grooves and the auxiliary coil embedding grooves are respectively diagonally and uniformly distributed with main and auxiliary embedding grooves, wherein each corner is provided with two main coil embedding grooves and two auxiliary coil embedding grooves; the diagonal line corresponding to the auxiliary coil embedding grooves is consistent with the axial line direction of a compressor cylinder; and a main coil winding 10 is positioned at the inner side of each coil embedding groove, an auxiliary coil winding 9 is positioned at the outer side of each coil embedding groove, and the end part of each coil winding is in a concave structure with low middle part and two high sides, along the diagonal line direction of the auxiliary coil embedding grooves. The alternating-current motor stator has the advantages of being more reasonable in structural arrangement, reducing the cavity space of the fully-closed compressor, reducing the coil consumption and the manufacturing cost of the product and further improving the working efficiency of a motor.
Description
Technical field
The present invention relates to a kind of alternating-current motor stator of compressor of electromechanical integration, relate in particular to the alternating-current motor stator for the hermetic piston compressor of refrigerator.
Background technology
Along with the continuous propelling of energy-saving and emission-reduction paces, to the consumptive material of refrigeration plant and energy consumption require also continuous lifting.Refrigerator is particularly important to the effect of energy-saving material as the reduction of a kind of widely used its consumptive material of daily life electrical equipment and energy consumption.Motor is as the heart of refrigerant compressor, and its structural behaviour directly affects consumptive material and the energy consumption of refrigeration plant, and motor stator is the critical component of left and right motor consumptive material and energy consumption and performance index.Existing refrigerator alternating-current motor stator consists of iron core and the coil be embedded in the iron core line embedding groove, iron core is overrided to form by stamping forming punching, rotor hole is offered at the iron core middle part, circumferentially offer at rotor hole the line embedding groove run through vertically, the inboard of line embedding groove offers notch, for the embedding of coil.The iron core line embedding groove comprises main and sub-coil line embedding groove, main coil line embedding groove and secondary coil line embedding groove.The difference of these line embedding groove installation positions will directly affect the relative position that main and sub-coil is installed.The single-phase asynchronous alternating current machine that existing hermetically sealed refrigerating compressor unit is used, the laying orientation of stator core wire embedding slots is also unreasonable, coil in the while embedded groove, main coil is positioned at the outside of line embedding groove, secondary coil is positioned at the line embedding groove inboard, and this not only makes the consumptive material of main coil many, and the coil windings end of stator termination is comparatively smooth, average height is higher, causes the height of whole compressor higher.On the other hand, the notch circumferential width of stator core wire embedding slots is between 1.3～2.3mm, because the notch opening is relatively wide, iron core surface loss and the pulsation loss of tooth section are larger, and Carter's coefficient is larger, and exciting current is higher, power factor is low, causes electric efficiency to descend.
Summary of the invention
Technical problem to be solved by this invention is the deficiency existed for prior art and provides a kind of stator structure setting more rational alternating-current motor stator of compressor, it can dwindle the intracavity space of totally-enclosed compressor, and can reduce the coil consumptive material, further reduce the cost of manufacture of product.
The technical scheme that the problem that the present invention is the above-mentioned proposition of solution adopts is: include iron-core workpiece, the iron-core workpiece middle part offers rotor hole, circumferentially offer at the rotor hole hole wall line embedding groove run through vertically, described line embedding groove comprises the main and sub-coil line embedding groove, main coil line embedding groove and secondary coil line embedding groove, be inlaid with main coil winding and secondary coil winding in each line embedding groove, four angular ranges at iron-core workpiece offer the stator installing hole, the line that it is characterized in that four stator installing holes is square, the main and sub-coil line embedding groove is laid corresponding to foursquare four edges, the uniform 3-6 in an every limit main and sub-coil line embedding groove, orientation, every limit differs 90 °, between the main and sub-coil line embedding groove, two diagonal of corresponding four stator installing holes are distinguished the uniform main coil line embedding groove in diagonal angle and secondary coil line embedding groove, main coil line embedding groove and the every angle of secondary coil line embedding groove are 2, and it is consistent to make the corresponding diagonal of secondary coil line embedding groove and compresser cylinder that axis direction is installed, in the described line embedding groove that is inlaid with main coil winding and secondary coil winding, the main coil winding is positioned at the inboard of line embedding groove, the secondary coil winding is positioned at the line embedding groove outside, and the end of coil windings is the high concave shape structure in low both sides, middle part along secondary coil line embedding groove diagonal.
Press such scheme, the iron-core workpiece periphery is the gengon that includes the circumscribed circle circular arc, four edges comprising square, between the four edges of square, by circumscribed circle circular arc and hypotenuse, join, the four edges of described square is corresponding with the main and sub-coil line embedding groove, uniform 4 of the main and sub-coil line embedding groove on every limit.
Press such scheme, the recessed amount H of described coil windings end concave shape structure cavity is 4～6mm.
Press such scheme, described line embedding groove inboard offers notch, and described notch circumferential width (chord length) Bs0 is 0.1～1.0mm; Notch circumferential width commonly used is 0.4～0.9mm.
Press such scheme, described notch radial depth is 0.1～0.5mm.
Press such scheme, the external diameter of a circle of described iron-core workpiece is 80～130mm, and the rotor hole aperture is 40～70mm, and axial length is 30～50mm, and the square width W is 80～130mm.
Press such scheme, described line embedding groove radial section grooved is narrow circular arc piece shape, the large end arc radius of narrow circular arc piece shape is 28～38mm, large end both sides width is 5～7mm, small end both sides width is 4.5～5.5mm, top, large end both sides joins by transition arc and large end circular arc, and the small end down either side is connected with notch by downward-sloping inclined-plane.
Press such scheme, the circumferential interval pitch B of described each line embedding groove is 1.8～2.2mm.
Width of rebate of the present invention hour stator core wire embedding method is: adopt conventional method by the sheet punching press moulding of said structure, the line embedding groove notch is broadened the outwardly-bent distortion in line embedding groove notch one or both sides of punching, the notch circumferential width (chord length) broadened is 1.2～2.2mm, then coil is embedded, after rule completes, then the line embedding groove notch is returned to original width 0.1～1.0mm.
Beneficial effect of the present invention is: 1, by changing the relative bearing of motor stator iron core wire embedding groove, make the corresponding diagonal of secondary coil line embedding groove and compresser cylinder that axis direction is installed consistent, form the high concave shape structure in low both sides, middle part, end of coil windings, make the compressor cylinder base that installs the end of the adjacent coil windings setting height(from bottom) H that can descend, thereby dwindle the intracavity space of totally-enclosed compressor, make its structure more compact, and the consumptive material of reduction compressor case, the while also makes refrigerator user's the larger inner space of arriving; 2, adopt the outer coil mosaic texture of the inner secondary coil winding of main coil winding, because the main coil wire diameter is thicker, the number of turn is more, the inner structure of main coil winding can shorten the overall length of same number of turn main coil, make main coil winding copper consumption reduce approximately 3%, reduced product cost, the motor work efficiency improves approximately 0.2%; 3, by dwindling motor stator iron core wire embedding groove width of rebate, iron core surface loss and the pulsation loss of tooth section have been reduced, make Carter's coefficient diminish, reduced exciting current, improved power factor, thereby improve the operating efficiency of motor, show by computer simulation experiment, adopt the present invention can improve motor work efficiency 1.5% left and right.The present invention is particularly suitable for the single-phase asynchronous alternating current machine that hermetically sealed refrigerating compressor unit is used.
The accompanying drawing explanation
The line embedding groove grooved that Fig. 1 is one embodiment of the invention and notch structural representation.
The plan structure figure that Fig. 2 is one embodiment of the invention.
The positive sectional structure chart that Fig. 3 is one embodiment of the invention.
The structure chart of facing of installing cylinder block that Fig. 4 is one embodiment of the invention.
Fig. 5 is prior art coil windings distributing position schematic diagram.
The coil windings distributing position schematic diagram that Fig. 6 is one embodiment of the invention.
The cutaway view that the motor stator that Fig. 7 is one embodiment of the invention matches with compresser cylinder.
The stereogram that the motor stator that Fig. 8 is one embodiment of the invention matches with compresser cylinder.
Embodiment
Further illustrate embodiments of the invention below in conjunction with Figure of description.
Motor stator referring to Fig. 1-8, include iron-core workpiece 6, the iron-core workpiece middle part offers rotor hole, the iron-core workpiece periphery is the gengon that includes the circumscribed circle circular arc, four edges comprising square, the square width W is 84mm, between the four edges of square, by circumscribed circle circular arc and hypotenuse, joins, and the four edges of described square is corresponding with the main and sub-coil line embedding groove, external diameter of a circle D is 90mm, and the rotor hole aperture is 50mm, and the iron-core workpiece axial length is 42.5mm, circumferentially offer at the rotor hole hole wall line embedding groove run through vertically, described line embedding groove comprises main and sub-coil line embedding groove 2,3, main coil line embedding groove 4 and secondary coil line embedding groove 1, the line embedding groove inboard offers notch, described notch circumferential width (chord length) Bs0 is 0.5mm, and the notch radial depth is 0.1mm, be inlaid with main coil winding 10 and secondary coil winding 9 in each line embedding groove, four angular ranges at iron-core workpiece offer stator installing hole 5, the line of four stator installing holes is square, the main and sub-coil line embedding groove is laid corresponding to foursquare four edges, uniform 4 the main and sub-coil line embedding grooves 2 in every limit, 3, orientation, every limit differs 90 °, two diagonal 7 of corresponding four stator installing holes between the main and sub-coil line embedding groove, the 8 difference uniform main coil line embedding groove 4 in diagonal angle and secondary coil line embedding grooves 1, main coil line embedding groove and the every angle of secondary coil line embedding groove are 2, and it is consistent to make the corresponding diagonal 8 of secondary coil line embedding groove and compresser cylinder 11 that axis direction is installed, all line embedding grooves are also laid along the corresponding diagonal of secondary coil line embedding groove is symmetrical, in the described line embedding groove that is inlaid with main coil winding and secondary coil winding, the main coil winding is positioned at the inboard of line embedding groove, the secondary coil winding is positioned at the line embedding groove outside, and the end of coil windings is the high concave shape structure in low both sides, middle part along secondary coil line embedding groove diagonal, and the recessed amount H of concave shape structure cavity is 5mm.Described main coil winding includes five main coils of M1～M5, bilateral symmetry is laid and is amounted to ten main coils, wherein main coil M1 is embedded in separately in the main coil line embedding groove of diagonal angle homonymy, all the other main coil M2～M5 are embedded in the main and sub-coil line embedding groove, described secondary coil winding includes tetra-secondary coils of A1～A4, bilateral symmetry is laid and is amounted to eight secondary coils, wherein secondary coil A1 is embedded in separately in the secondary coil line embedding groove of diagonal angle homonymy, and all the other secondary coil A2～A4 are embedded in the main and sub-coil line embedding groove of adjacent secondary coil line embedding groove; Wherein the secondary coil winding is positioned at the main and sub-coil line embedding groove outside, and the main coil winding is positioned at the inboard of main and sub-coil line embedding groove.During rule, the line embedding groove notch is broadened the line embedding groove notch of punching two side direction rotor holes (iron core endoporus) chamber flexural deformation, the notch circumferential width broadened is 1.6mm, then coil is embedded, after rule completes, then the line embedding groove notch is returned to original width 0.5mm.
The computer simulation experiment situation of the present embodiment is:
Claims (9)
1. an alternating-current motor stator of compressor, include iron-core workpiece, the iron-core workpiece middle part offers rotor hole, circumferentially offer at the rotor hole hole wall line embedding groove run through vertically, described line embedding groove comprises the main and sub-coil line embedding groove, main coil line embedding groove and secondary coil line embedding groove, be inlaid with main coil winding and secondary coil winding in each line embedding groove, four angular ranges at iron-core workpiece offer the stator installing hole, the line that it is characterized in that four stator installing holes is square, the main and sub-coil line embedding groove is laid corresponding to foursquare four edges, the uniform 3-6 in an every limit main and sub-coil line embedding groove, between every adjacent edge, orientation differs 90 °, between the main and sub-coil line embedding groove, two diagonal of corresponding four stator installing holes are distinguished the uniform main coil line embedding groove in diagonal angle and secondary coil line embedding groove, main coil line embedding groove and the every angle of secondary coil line embedding groove are 2, and it is consistent to make the corresponding diagonal of secondary coil line embedding groove and compresser cylinder that axis direction is installed, in the described line embedding groove that is inlaid with main coil winding and secondary coil winding, the main coil winding is positioned at the inboard of line embedding groove, the secondary coil winding is positioned at the line embedding groove outside, and the end of coil windings is the high concave shape structure in low both sides, middle part along secondary coil line embedding groove diagonal.
2. by alternating-current motor stator of compressor claimed in claim 1, it is characterized in that the iron-core workpiece periphery is the gengon that includes the circumscribed circle circular arc, four edges comprising square, the square width is W, between the four edges of square, by circumscribed circle circular arc and hypotenuse, join, circumscribed circle diameter is D, and the four edges of described square is corresponding with the main and sub-coil line embedding groove, uniform 4 of the main and sub-coil line embedding groove on every limit.
3. by the described alternating-current motor stator of compressor of claim 1 or 2, it is characterized in that the recessed amount H of described coil windings end concave shape structure cavity is 4～6mm.
4. by the described alternating-current motor stator of compressor of claim 1 or 2, it is characterized in that described line embedding groove inboard offers notch, described notch circumferential width Bs0 is 0.1～1.0mm.
5. by alternating-current motor stator of compressor claimed in claim 4, it is characterized in that described notch radial depth is 0.1～0.5mm.
6. by alternating-current motor stator of compressor claimed in claim 2, it is characterized in that the external diameter of a circle D of described iron-core workpiece is 80～130mm, the square width W is 80～130mm, and the rotor hole aperture is 40～70mm, and axial length is 30～50mm.
7. by alternating-current motor stator of compressor claimed in claim 4, it is characterized in that described line embedding groove radial section grooved is narrow circular arc piece shape, the large end arc radius of narrow circular arc piece shape is 28～38mm, large end both sides width is 5～7mm, small end both sides width is 4.5～5.5mm, top, large end both sides joins by transition arc and large end circular arc, and the small end down either side is connected with notch by downward-sloping inclined-plane.
8. by alternating-current motor stator of compressor claimed in claim 7, the circumferential interval pitch B that it is characterized in that described each line embedding groove is 1.8～2.2mm.
9. by the described alternating-current motor stator of compressor of claim 1 or 2, it is characterized in that described main coil winding includes five main coils of M1～M5 in corresponding diagonal one side, bilateral symmetry is laid and is amounted to ten main coils, wherein main coil M1 is embedded in separately in the main coil line embedding groove of diagonal angle homonymy, all the other main coil M2～M5 are embedded in the main and sub-coil line embedding groove, described secondary coil winding includes tetra-secondary coils of A1～A4 in corresponding diagonal one side, bilateral symmetry is laid and is amounted to eight secondary coils, wherein secondary coil A1 is embedded in separately in the secondary coil line embedding groove of diagonal angle homonymy, all the other secondary coil A2～A4 are embedded in the main and sub-coil line embedding groove of adjacent secondary coil line embedding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110314492 CN102364821B (en) | 2011-10-17 | 2011-10-17 | Alternating-current motor stator of compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110314492 CN102364821B (en) | 2011-10-17 | 2011-10-17 | Alternating-current motor stator of compressor |
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| Publication Number | Publication Date |
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| CN102364821A CN102364821A (en) | 2012-02-29 |
| CN102364821B true CN102364821B (en) | 2013-12-25 |
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| CN 201110314492 Active CN102364821B (en) | 2011-10-17 | 2011-10-17 | Alternating-current motor stator of compressor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872810B (en) * | 2014-03-07 | 2016-09-28 | 浙江迪贝电气股份有限公司 | Motor stator core stamping sheet for refrigeration compressor |
| CN108711960A (en) * | 2018-05-08 | 2018-10-26 | 浙江信戈制冷设备科技有限公司 | Stator and stator production method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4982129A (en) * | 1988-09-21 | 1991-01-01 | Empresa Brasileira De Compressores | Single phase asynchronous motor with two magnetic poles |
| CN1947320A (en) * | 2005-02-22 | 2007-04-11 | 三菱电机株式会社 | Single-phase electric motor and closed compressor |
| CN101151781A (en) * | 2006-03-30 | 2008-03-26 | 三菱电机株式会社 | Single phase motor and closed compressor |
| CN202309253U (en) * | 2011-10-17 | 2012-07-04 | 黄石艾博科技发展有限公司 | Alternating-current motor stator of compressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TR201102178T1 (en) * | 2008-10-30 | 2011-08-22 | Arçeli̇k Anoni̇m Şi̇rketi̇ | Segmented stator. |
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- 2011-10-17 CN CN 201110314492 patent/CN102364821B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4982129A (en) * | 1988-09-21 | 1991-01-01 | Empresa Brasileira De Compressores | Single phase asynchronous motor with two magnetic poles |
| CN1947320A (en) * | 2005-02-22 | 2007-04-11 | 三菱电机株式会社 | Single-phase electric motor and closed compressor |
| CN101151781A (en) * | 2006-03-30 | 2008-03-26 | 三菱电机株式会社 | Single phase motor and closed compressor |
| CN202309253U (en) * | 2011-10-17 | 2012-07-04 | 黄石艾博科技发展有限公司 | Alternating-current motor stator of compressor |
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| CN102364821A (en) | 2012-02-29 |
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Effective date of registration: 20200914 Address after: No.9, Ganghu Road, Luoqiao sub district office, Daye City, Huangshi City, Hubei Province Patentee after: Daye Dongai Electric Co.,Ltd. Address before: 435006, Hubei Province, Huangshi City, Daye province Luo Bridge Industrial Park on the north side of road 2 Patentee before: HUANGSHI AIBO TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Address after: 435006 No.9 Ganghu Road, Luoqiao sub district office, Daye City, Huangshi City, Hubei Province Patentee after: Huangshi Dongbei Motor Co.,Ltd. Address before: 435006 No.9 Ganghu Road, Luoqiao sub district office, Daye City, Huangshi City, Hubei Province Patentee before: Daye Dongai Electric Co.,Ltd. |
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