CN202309253U - Alternating-current motor stator of compressor - Google Patents
Alternating-current motor stator of compressor Download PDFInfo
- Publication number
- CN202309253U CN202309253U CN2011203946591U CN201120394659U CN202309253U CN 202309253 U CN202309253 U CN 202309253U CN 2011203946591 U CN2011203946591 U CN 2011203946591U CN 201120394659 U CN201120394659 U CN 201120394659U CN 202309253 U CN202309253 U CN 202309253U
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- embedding groove
- line embedding
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- coil
- stator
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Abstract
The utility model relates to an alternating-current motor stator of a compressor with mechanical and electrical integration. Four corners of an iron core body are respectively provided with a stator mounting hole, connecting lines of the four stator mounting holes form a square, a plurality of main coil embedding slots and a plurality of auxiliary coil embedding slots are arranged corresponding to four sides of the square, each side is provided with three to six main coil embedding slots and auxiliary coil embedding slots, two diagonals between the main coil embedding slots and the auxiliary coil embedding slots and corresponding to the four stator mounting holes are respectively provided with a plurality of main coil embedding slots and a plurality of auxiliary coil embedding slots in opposite corners, each corner is respectively provided with two main coil embedding slots and two auxiliary coil embedding slots, and the diagonal corresponding to the auxiliary coil embedding slots is identical to the mounting axial line of a compressor cylinder; and main coil windings are arranged on the inner sides of the embedding slots, auxiliary coil windings are arranged on the outer sides of the embedding slots, and the end parts of the coil windings form a concave structure with the middle part lower than the two sides along the diagonal direction of the auxiliary coil embedding slots. The structure is more reasonable, the cavity space of the fully enclosed compressor can be reduced, the coil consumption and the manufacturing cost of the product can be decreased, and the working efficiency of the motor can be further improved.
Description
Technical field
The utility model relates to a kind of compressor alternating current machine stator of electromechanical integration, relates in particular to the alternating current machine stator of the hermetic piston compressor that is used for 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-conservation province 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 influences the consumptive material and the energy consumption of refrigeration plant, and motor stator then is the critical component of left and right sides motor consumptive material and energy consumption and performance index.Existing refrigerator alternating current machine stator is made up of iron core and the coil that is 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; Rotor hole circumferentially offer the line embedding groove that runs through vertically, the inboard of line embedding groove offers notch, is used 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 influence the relative position that main and sub-coil is installed.The single-phase asynchronous alternating current machine that existing hermetically sealed refrigerating compressor unit uses, the laying orientation of stator core wire embedding slots is also unreasonable, simultaneously the coil in the 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 makes that not only the consumptive material of main coil is 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 relative broad of notch opening; Iron core surface loss and the pulsation loss of tooth portion are bigger, and Carter's coefficient is bigger, and exciting current is higher; Power factor is low, causes electric efficiency to descend.
Summary of the invention
The utility model technical problem to be solved is the deficiency that exists to prior art and the more rational compressor alternating current machine of a kind of stator structure setting stator is provided; It can dwindle the intracavity space of totally-enclosed compressor; And can reduce the coil consumptive material, further reduce the production of products cost.
The utility model is that the technical scheme that problem adopted of the above-mentioned proposition of solution is: include iron-core workpiece; The iron-core workpiece middle part offers rotor hole; The rotor hole hole wall circumferentially offer the line embedding groove that runs through vertically, described line embedding groove comprises main and sub-coil line embedding groove, main coil line embedding groove and secondary coil line embedding groove, is 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, and the main and sub-coil line embedding groove is laid corresponding to foursquare four edges, and every limit is uniformly distributed with 3-6 main and sub-coil line embedding groove; Orientation, every limit differs 90 °; Two diagonal of corresponding four stator installing holes are uniformly distributed with main coil line embedding groove and secondary coil line embedding groove in the diagonal angle respectively between the main and sub-coil line embedding groove, and main coil line embedding groove and the every angle of secondary coil line embedding groove are 2, and it is consistent to make pairing 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, join through circumscribed circle circular arc and hypotenuse, the four edges of described square is corresponding with the main and sub-coil line embedding groove, and the main and sub-coil line embedding groove on every limit is uniformly distributed with 4.
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 big end arc radius of narrow circular arc piece shape is 28～38mm, and holding the both sides width greatly is 5～7mm, and small end both sides width is 4.5～5.5mm; Top, big end both sides joins through transition arc and big end circular arc, and the small end down either side is connected with notch through inclined downward.
Press such scheme, the circumferential interval pitch B of described each line embedding groove is 1.8～2.2mm.
The utility model width of rebate hour stator core wire embedding method is: adopt the sheet punching press moulding of conventional method with 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) that broadens is 1.2～2.2mm; Then coil is embedded, rule returns to original width 0.1～1.0mm with the line embedding groove notch after accomplishing again.
The beneficial effect of the utility model is: 1, through changing the relative bearing of motor stator core line embedding groove; It is consistent to make pairing diagonal of secondary coil line embedding groove and compresser cylinder that axis direction is installed; Form the high concave shape structure in low both sides, middle part, end of coil windings; The compresser cylinder seat that makes the end of adjacent coil windings the install setting height(from bottom) H that can descend, thus the intracavity space of totally-enclosed compressor dwindled, make its structure more compact; And the consumptive material of reduction compressor case, the while also makes refrigerator user's the bigger inner space of arriving; 2, adopt the outer coil mosaic texture of the inner secondary coil winding of main coil winding; Because main line astragal footpath is thicker; The number of turn is more, and the inner structure of main coil winding can shorten the length overall of same number of turn main coil, makes main coil winding copper consumption reduce about 3%; Reduced product cost, the motor work efficiency then improves about 0.2%; 3, through dwindling motor stator core line embedding groove width of rebate; Reduce iron core surface loss and the pulsation loss of tooth portion, made Carter's coefficient diminish, reduced exciting current; Improved power factor; Thereby improve the operating efficiency of motor, show, adopt the utility model can improve motor work efficiency about 1.5% through computer simulation experiment.The utility model is particularly suitable for the single-phase asynchronous alternating current machine that hermetically sealed refrigerating compressor unit uses.
Description of drawings
Fig. 1 is line embedding groove grooved and the notch structural representation of an embodiment of the utility model.
Fig. 2 is the plan structure figure of an embodiment of the utility model.
Fig. 3 is the positive sectional structure chart of an embodiment of the utility model.
Fig. 4 is the structure chart of facing of installing cylinder block of an embodiment of the utility model.
Fig. 5 is a prior art coil windings distributing position sketch map.
Fig. 6 is the coil windings distributing position sketch map of an embodiment of the utility model.
Fig. 7 is the cutaway view that the motor stator of an embodiment of the utility model matches with compresser cylinder.
Fig. 8 is the stereogram that the motor stator of an embodiment of the utility model matches with compresser cylinder.
Embodiment
Further specify the embodiment of the utility model 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, and 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, joins through circumscribed circle circular arc and hypotenuse, 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 the line embedding groove that runs through vertically at the rotor hole hole wall; Described line embedding groove comprises main and sub-coil line embedding groove 2,3; The main coil rule, 4 with 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, and the main and sub-coil line embedding groove is laid corresponding to foursquare four edges, and every limit is uniformly distributed with 4 main and sub-coil line embedding grooves 2,3; Orientation, every limit differs 90 °; Two diagonal 7,8 of corresponding four stator installing holes are uniformly distributed with main coil line embedding groove 4 and secondary coil line embedding groove 1 in the diagonal angle respectively between the main and sub-coil line embedding groove, and main coil line embedding groove and the every angle of secondary coil line embedding groove are 2, and it is consistent to make pairing 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 pairing diagonal symmetry of secondary coil line embedding groove; 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, and described secondary coil winding includes four secondary coils of A1～A4, and bilateral symmetry is laid and 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.Line embedding groove notch two side direction rotor holes (iron core endoporus) chamber flexural deformation with punching during rule broadens the line embedding groove notch; The notch circumferential width that broadens is 1.6mm; Then coil is embedded, treat that rule is accomplished after, again the line embedding groove notch is returned to original width 0.5mm.
The computer simulation experiment situation of present embodiment is:
Claims (9)
1. a compressor alternating current machine stator includes iron-core workpiece, and the iron-core workpiece middle part offers rotor hole; Circumferentially offer the line embedding groove that runs through vertically at the rotor hole hole wall; Described line embedding groove comprises the main and sub-coil line embedding groove, and main coil line embedding groove and secondary coil line embedding groove are 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, and the main and sub-coil line embedding groove is laid corresponding to foursquare four edges, and every limit is uniformly distributed with 3-6 main and sub-coil line embedding groove; Orientation, every limit differs 90 °; Two diagonal of corresponding four stator installing holes are uniformly distributed with main coil line embedding groove and secondary coil line embedding groove in the diagonal angle respectively between the main and sub-coil line embedding groove, and main coil line embedding groove and the every angle of secondary coil line embedding groove are 2, and it is consistent to make pairing 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 the described compressor alternating current machine of claim 1 stator; It is characterized in that the iron-core workpiece periphery is the gengon that includes the circumscribed circle circular arc, comprising the four edges of square, the square width is W; Between the four edges of square, join through circumscribed circle circular arc and hypotenuse; Circumscribed circle diameter is D, and the four edges of described square is corresponding with the main and sub-coil line embedding groove, and the main and sub-coil line embedding groove on every limit is uniformly distributed with 4.
3. by claim 1 or 2 described compressor alternating current machine stators, it is characterized in that the recessed amount H of described coil windings end concave shape structure cavity is 4～6mm.
4. by claim 1 or 2 described compressor alternating current machine stators, it is characterized in that described line embedding groove inboard offers notch, described notch circumferential width Bs0 is 0.1～1.0mm; Notch circumferential width commonly used is 0.4～0.9mm.
5. by the described compressor alternating current machine of claim 4 stator, it is characterized in that described notch radial depth is 0.1～0.5mm.
6. by the described compressor alternating current machine of claim 2 stator, 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 the described compressor alternating current machine of claim 4 stator; It is characterized in that described line embedding groove radial section grooved is narrow circular arc piece shape; The big end arc radius of narrow circular arc piece shape is 28～38mm, and holding the both sides width greatly is 5～7mm, and small end both sides width is 4.5～5.5mm; Top, big end both sides joins through transition arc and big end circular arc, and the small end down either side is connected with notch through inclined downward.
8. by the described compressor alternating current machine of claim 7 stator, the circumferential interval pitch B that it is characterized in that described each line embedding groove is 1.8～2.2mm.
9. by claim 1 or 2 described compressor alternating current machine stators; It is characterized in that described main coil winding includes five main coils of M1～M5; Bilateral symmetry is laid and is amounted to ten main coils, and wherein main coil M1 is embedded in separately in the main coil line embedding groove of diagonal angle homonymy, and all the other main coil M2～M5 are embedded in the main and sub-coil line embedding groove; Described secondary coil winding includes four secondary coils of A1～A4; Bilateral symmetry is laid and is amounted to eight secondary coils, and 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203946591U CN202309253U (en) | 2011-10-17 | 2011-10-17 | Alternating-current motor stator of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203946591U CN202309253U (en) | 2011-10-17 | 2011-10-17 | Alternating-current motor stator of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309253U true CN202309253U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203946591U Withdrawn - After Issue CN202309253U (en) | 2011-10-17 | 2011-10-17 | Alternating-current motor stator of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309253U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364821A (en) * | 2011-10-17 | 2012-02-29 | 黄石艾博科技发展有限公司 | Alternating-current motor stator of compressor |
| CN104518580A (en) * | 2013-09-26 | 2015-04-15 | 丹佛斯（天津）有限公司 | Stator, motor and compressor |
| CN110190687A (en) * | 2019-07-05 | 2019-08-30 | 江西科技师范大学 | It is a kind of to prevent horizontal type generator from touching the stator core stamping sheet to rub |
-
2011
- 2011-10-17 CN CN2011203946591U patent/CN202309253U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364821A (en) * | 2011-10-17 | 2012-02-29 | 黄石艾博科技发展有限公司 | Alternating-current motor stator of compressor |
| CN102364821B (en) * | 2011-10-17 | 2013-12-25 | 黄石艾博科技发展有限公司 | Alternating-current motor stator of compressor |
| CN104518580A (en) * | 2013-09-26 | 2015-04-15 | 丹佛斯（天津）有限公司 | Stator, motor and compressor |
| CN110190687A (en) * | 2019-07-05 | 2019-08-30 | 江西科技师范大学 | It is a kind of to prevent horizontal type generator from touching the stator core stamping sheet to rub |
| CN110190687B (en) * | 2019-07-05 | 2024-03-15 | 江西科技师范大学 | Stator core punching sheet for preventing horizontal generator from rubbing |
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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 |
Granted publication date: 20120704 Effective date of abandoning: 20131225 |
|
| RGAV | Abandon patent right to avoid regrant |