CN105449885A - Refrigerator freezer compressor aluminum wire motor - Google Patents
Refrigerator freezer compressor aluminum wire motor Download PDFInfo
- Publication number
- CN105449885A CN105449885A CN201610025571.XA CN201610025571A CN105449885A CN 105449885 A CN105449885 A CN 105449885A CN 201610025571 A CN201610025571 A CN 201610025571A CN 105449885 A CN105449885 A CN 105449885A
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- electric machine
- stator
- aluminium winding
- groove
- stator punching
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Compressor (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The invention discloses a refrigerator freezer compressor aluminum wire motor. The refrigerator freezer compressor aluminum wire motor comprises an aluminum wire motor stator formed by riveting aluminum wire motor stator punching sheets, the bore diameters of the aluminum wire motor stator punching sheets are 6 to 8mm smaller than that of a copper wire motor stator punching sheet with the same power. According to the refrigerator freezer compressor aluminum wire motor, through reducing the bore diameter of the aluminum wire motor stator punching sheets, the starting efficiency of a compressor can be reliably improved, the motor efficiency is enhanced, and the cost of a compressor motor is decreased.
Description
Technical field
The present invention relates to refrigerator compressor electric motor field, particularly relate to single aluminum steel or two electric machine with aluminium winding between a kind of reliability is high, performance is high refrigerator, freezer compressor.
Background technology
Motor on refrigerator compressor is one of very important part, can say that motor is compressor heart, the compressor electric motor mainly unidirectional asynchronous motor of current refrigerator, and all use copper cash motor, 1 compressor is because copper cash motor at least account for compressor cost more than 1/3.Copper cash motor transitional, to the dependence of copper, is also a kind of consumption to existing non-ferrous metal, also exists in copper resource extractive process, environment is produced to the problem destroyed.Freezer compressor is except the competition of product quality simultaneously, and be more price competition, the copper cash occupying high price makes copper cash motor compressor in compressor market without obvious competitive advantage, and copper cash compressor exists above-mentioned all drawbacks.
As compressor electric motor, require that motor performance is high, detent torque is large, noise is low, high rotating speed, high pressure resistant, resistance to wet goods characteristic, the environment of motor in refrigerator system is relatively more severe, also has as there is R134a refrigerant medium, R600a refrigerant medium and R290 refrigerant medium in refrigerator system the compressor refrigerator wet goods adapted with working medium.Substituting copper cash motor with electric machine with aluminium winding can workout cost problem, but electric machine with aluminium winding is when identical sectional area and length, the resistance of electric machine with aluminium winding wants high by about 15%, therefore electric machine with aluminium winding heating is also larger, the complete machine startability of compressor is relatively poorer than copper cash motor, the line diameter ratio copper cash motor that when identical detent torque, electric machine with aluminium winding uses also wants large about 10-20%, and therefore the design of electric machine with aluminium winding is more complicated than copper cash motor a lot.In prior art, copper cash motor stamping adopts structure as shown in Figure 8, can not meet the user demand of electric machine with aluminium winding.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the user demand meeting electric machine with aluminium winding is provided, improve the refrigerator compressor electric machine with aluminium winding of electric efficiency.
To achieve these goals, the technical solution used in the present invention is:
This kind of refrigerator compressor electric machine with aluminium winding, comprises the electric machine with aluminium winding stator that the riveted joint of electric machine with aluminium winding stator punching is formed, the diameter of bore 6 ~ 8mm less of the copper cash motor stator punching diameter of bore of equal-wattage of electric machine with aluminium winding stator punching.
The stator rabbet width 0.02 ~ 0.12mm larger than the stator rabbet width of the copper cash motor stator punching of equal-wattage of electric machine with aluminium winding stator punching.
Stator by-pass I groove of the copper cash motor of the area ratio equal-wattage of stator by-pass I groove of electric machine with aluminium winding stator punching and stator by-pass II groove of electric machine with aluminium winding stator punching and the area of stator by-pass II groove increase 2% to 18%.
Stator main line I groove of the copper cash motor of the area ratio equal-wattage of stator main line I groove of electric machine with aluminium winding stator punching and stator main line II groove of electric machine with aluminium winding stator punching and the area of stator main line II groove increase 2% to 18%.
Gap 0.06 ~ 0.12mm less of gap between the copper cash motor stator of equal-wattage and copper cash rotor between electric machine with aluminium winding stator and electric machine with aluminium winding rotor.
Electric machine with aluminium winding stator strategic point portion increases 2% ~ 10% than the copper cash motor stator strategic point portion of equal-wattage.
Stator by-pass I groove of electric machine with aluminium winding stator punching and stator by-pass II groove of electric machine with aluminium winding stator punching are square groove.
Stator main line I groove of electric machine with aluminium winding stator punching and stator main line II groove of electric machine with aluminium winding stator punching are square groove.
The stator rabbet width of electric machine with aluminium winding stator punching is 1.50 ~ 1.65mm.
Riveted mutually by 8 riveting holes between electric machine with aluminium winding stator punching.
The invention has the advantages that: this kind of refrigerator compressor electric machine with aluminium winding, by reducing the diameter of bore of electric machine with aluminium winding stator punching, reliably to improve the starting efficiency of compressor; By the improvement of stator slot, stator strategic point portion, stator and rotor clearance, solve that electric machine with aluminium winding enamelled wire line breaks, the quality problems of line wound, improve electric efficiency; The present invention can improve the reliability of electric machine with aluminium winding greatly, can at high temperature, high pressure, and reliably working under there is the environment of cold-producing medium, refrigerator oil, the situation greatly reducing motor failure occurs, reduce the potential faults of electric machine with aluminium winding, improve electric efficiency, reduce the cost of compressor electric motor.
Accompanying drawing explanation
Mark in the content expressed each width accompanying drawing of specification of the present invention below and figure is briefly described:
Fig. 1 is the structural representation of the stator punching of refrigerator compressor electric machine with aluminium winding of the present invention.
Fig. 2 is the by-pass I groove structural representation of the stator punching of refrigerator compressor electric machine with aluminium winding of the present invention.
Fig. 3 is the by-pass II groove structural representation of the stator punching of refrigerator compressor electric machine with aluminium winding of the present invention.
Fig. 4 is the structural representation of main line I groove of the stator punching of refrigerator compressor electric machine with aluminium winding of the present invention.
Fig. 5 is the main line II groove structural representation of the stator punching of refrigerator compressor electric machine with aluminium winding of the present invention.
Fig. 6 is the square wire casing structure schematic diagram of the stator punching of refrigerator compressor electric machine with aluminium winding of the present invention.
Fig. 7 is aluminum steel in refrigerator compressor electric machine with aluminium winding of the present invention, copper cash riveted joint schematic diagram.
Fig. 8 is the structural representation of the stator punching of refrigerator compressor copper cash motor in prior art.
Mark in above-mentioned figure is:
1, the endoporus of electric machine with aluminium winding stator punching, 2, the stator rabbet of electric machine with aluminium winding stator punching, 3, by-pass I groove of electric machine with aluminium winding stator punching, 4, by-pass II groove of electric machine with aluminium winding stator punching, 5, main line I groove of electric machine with aluminium winding stator punching, 6, main line II groove of electric machine with aluminium winding stator punching, 7, electric machine with aluminium winding stator yoke, 8, gap between electric machine with aluminium winding stator and electric machine with aluminium winding rotor, 9, stator riveting point, 10, square wire casing, 11, the stator rabbet of square groove, 12, main winding aluminum lead, 13, auxiliary winding al wiring, 14, riveting sheet.
Embodiment
Contrast accompanying drawing below, by the description to optimum embodiment, the specific embodiment of the present invention is described in further detail.
As shown in Fig. 1-Fig. 7, this kind of refrigerator compressor electric machine with aluminium winding, comprise the electric machine with aluminium winding stator that the riveted joint of electric machine with aluminium winding stator punching is formed, electric machine with aluminium winding stator punching number, adjusts as required, to meet the user demand of different capacity motor; The endoporus 1 diameter 6 ~ 8mm less of the copper cash motor stator punching diameter of bore of equal-wattage of electric machine with aluminium winding stator punching; The present invention adopts wire instead of copper wire, can greatly reduce costs; The endoporus 1 of electric machine with aluminium winding stator punching reduces simultaneously, and the weight of rotor reduces, and the moment of inertia overcome needed for rotor is little, is conducive to the startup of compressor, reliably to improve the starting efficiency of compressor; Can the abundant headspace in stator strategic point portion be given simultaneously, electric efficiency 0.5 percentage point can be improved; Endoporus 1 diameter of preferred electric machine with aluminium winding stator punching is 51.88-52.16mm.
The stator rabbet 2 width 0.02 ~ 0.12mm larger than the stator rabbet width of the copper cash motor stator punching of equal-wattage of electric machine with aluminium winding stator punching; Stator rabbet width increases, and can embed larger diameter and the larger enamelled wire of quantity, improve the startability of compressor, detent torque can improve.Stator rabbet 2 width of preferred electric machine with aluminium winding stator punching is 1.50 ~ 1.65mm.
Stator by-pass I groove of the copper cash motor of the area ratio equal-wattage of stator by-pass I groove 3 of electric machine with aluminium winding stator punching and stator by-pass II groove 4 of electric machine with aluminium winding stator punching and the area of stator by-pass II groove increase 2% to 18%.Stator by-pass I groove of the copper cash motor of the area ratio equal-wattage of stator by-pass I groove 3 of preferred electric machine with aluminium winding stator punching and stator by-pass II groove 4 of electric machine with aluminium winding stator punching and the area of stator by-pass II groove increase 15%.The area of stator by-pass I groove and stator by-pass II groove increases, and can embed larger diameter and the larger enamelled wire of quantity, improve the startability of compressor, detent torque can improve.
Stator main line I groove of the copper cash motor of the area ratio equal-wattage of stator main line I groove 5 of electric machine with aluminium winding stator punching and stator main line II groove 6 of electric machine with aluminium winding stator punching and the area of stator main line II groove increase 2% to 18%.Stator main line I groove of the copper cash motor of the area ratio equal-wattage of stator main line I groove 5 of preferred electric machine with aluminium winding stator punching and stator main line II groove 6 of electric machine with aluminium winding stator punching and the area of stator main line II groove increase 15%.The area of stator main line I groove and stator main line II groove increases, and can embed larger diameter and the larger enamelled wire of quantity, improve the startability of compressor, detent torque can improve.
Gap 8 0.06 ~ 0.12mm less of gap between the copper cash motor stator of equal-wattage and copper cash rotor between electric machine with aluminium winding stator and electric machine with aluminium winding rotor; Gap 8 0.12mm less of gap between the copper cash motor stator of equal-wattage and copper cash rotor between preferred electric machine with aluminium winding stator and electric machine with aluminium winding rotor; Electric efficiency 1 percentage point can be improved.Preferred stator and rotor clearance are 0.38-0.56mm.
Electric machine with aluminium winding stator strategic point portion 7 increases 2% ~ 10% than the copper cash motor stator strategic point portion of equal-wattage; Preferred electric machine with aluminium winding stator strategic point portion 7 increases 10% than the copper cash motor stator strategic point portion of equal-wattage; Stator coil magnetic flux increases, and magnetic efficiency increases, and portion in distress loss is little, can improve electric efficiency.
Stator by-pass I groove 3 of electric machine with aluminium winding stator punching and stator by-pass II groove 4 of electric machine with aluminium winding stator punching are square groove.Stator main line I groove 5 of electric machine with aluminium winding stator punching and stator main line II groove 6 of electric machine with aluminium winding stator punching are square groove.Stator rabbet 11 width of square groove is 1.50 ~ 1.65mm.Square groove can meet the demand of different size and different capacity requirement motor, to reach the object of high-efficiency and low-cost.For realizing different electric efficiencies and startability, square groove area can be increased or remain unchanged.
Electric machine with aluminium winding stator punching is plural multiple, is riveted mutually after electric machine with aluminium winding stator punching superposes successively by riveting hole; Riveted mutually by 8 riveting holes between electric machine with aluminium winding stator punching; 8 riveting pore size distributions on electric machine with aluminium winding stator punching, as the stator riveting point 9 on electric machine with aluminium winding stator punching.The stator structure good reliability that the riveted joint of electric machine with aluminium winding stator punching is formed, electric machine with aluminium winding stator punching number can adjust according to the needs of stator simultaneously.
This kind of refrigerator compressor electric machine with aluminium winding, by the redesign of stator rabbet, stator grooved, stator strategic point portion, stator and rotor clearance and riveting process, improve electric machine with aluminium winding wire insertion technology, prevent from, because aluminum steel more slightly causes enamelled wire to occur broken string, line wound, the quality problems that copper factor is high, preventing the machine life affecting compressor.The portion in distress of electric machine with aluminium winding stator is all large than copper cash motor, stator and the little efficiency mainly improving motor of rotor clearance, also can reducing the electromagnetic noise of motor, especially by motor small air gap technique, improving electric efficiency when not increasing motor cost; The invention solves electric machine with aluminium winding broken string, line wound, difficulty in starting, quality problems; Can improve the startability of compressor, detent torque can improve 1 ~ 5%, and electric efficiency reaches as high as about 88%.
Electric machine with aluminium winding stator punching is made up of ultra high efficiency silicon steel sheet or efficient silicon steel sheet, and material is Wuhan Iron and Steel Plant WHG-50 or Baosteel B50AR300 ultra high efficiency silicon steel sheet, or is the efficient silicon steel sheet of Wuhan Iron and Steel Plant 50WW600BY or B50AR350.
Stator main line I groove 5 of stator by-pass I groove 3 of electric machine with aluminium winding stator punching, stator by-pass II groove 4 of electric machine with aluminium winding stator punching, electric machine with aluminium winding stator punching and stator main line II groove 6 embedding pairs of aluminium matter enamelled wires of electric machine with aluminium winding stator punching, be oxidized for avoiding aluminium matter enamelled wire line, increase contact resistance, aluminium matter enamelled wire main winding aluminum lead 13 and auxiliary winding aluminum lead 14 are crimped by riveting sheet 14.
Stator core according to the various general effect of electric efficiency hierarchical selection, efficient, ultra high efficiency silicon steel material, can meet different compressors COP demand.
Obvious specific implementation of the present invention is not subject to the restrictions described above, as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out, all within protection scope of the present invention.
Claims (10)
1. a refrigerator compressor electric machine with aluminium winding, is characterized in that: comprise the electric machine with aluminium winding stator that the riveted joint of electric machine with aluminium winding stator punching is formed, the diameter of bore 6 ~ 8mm less of the copper cash motor stator punching diameter of bore of equal-wattage of electric machine with aluminium winding stator punching.
2. refrigerator compressor electric machine with aluminium winding as claimed in claim 1, is characterized in that: the stator rabbet width 0.02 ~ 0.12mm larger than the stator rabbet width of the copper cash motor stator punching of equal-wattage of electric machine with aluminium winding stator punching.
3. refrigerator compressor electric machine with aluminium winding as claimed in claim 1, is characterized in that: stator by-pass I groove of the copper cash motor of the area ratio equal-wattage of stator by-pass I groove of electric machine with aluminium winding stator punching and stator by-pass II groove of electric machine with aluminium winding stator punching and the area of stator by-pass II groove increase 2% to 18%.
4. refrigerator compressor electric machine with aluminium winding as claimed in claim 1, is characterized in that: stator main line I groove of the copper cash motor of the area ratio equal-wattage of stator main line I groove of electric machine with aluminium winding stator punching and stator main line II groove of electric machine with aluminium winding stator punching and the area of stator main line II groove increase 2% to 18%.
5. refrigerator compressor electric machine with aluminium winding as claimed in claim 1, is characterized in that: gap 0.06 ~ 0.12mm less of gap between the copper cash motor stator of equal-wattage and copper cash rotor between electric machine with aluminium winding stator and electric machine with aluminium winding rotor.
6. refrigerator compressor electric machine with aluminium winding as claimed in claim 1, is characterized in that: electric machine with aluminium winding stator strategic point portion increases 2% ~ 10% than the copper cash motor stator strategic point portion of equal-wattage.
7. refrigerator compressor electric machine with aluminium winding as claimed in claim 3, is characterized in that: stator by-pass I groove of electric machine with aluminium winding stator punching and stator by-pass II groove of electric machine with aluminium winding stator punching are square groove.
8. refrigerator compressor electric machine with aluminium winding as claimed in claim 4, is characterized in that: stator main line I groove of electric machine with aluminium winding stator punching and stator main line II groove of electric machine with aluminium winding stator punching are square groove.
9. refrigerator compressor electric machine with aluminium winding as claimed in claim 2, is characterized in that: the stator rabbet width of electric machine with aluminium winding stator punching is 1.50 ~ 1.65mm.
10. refrigerator compressor electric machine with aluminium winding as claimed in claim 1, be is characterized in that: riveted mutually by 8 riveting holes between electric machine with aluminium winding stator punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025571.XA CN105449885B (en) | 2016-01-14 | 2016-01-14 | A kind of refrigerator compressor electric machine with aluminium winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025571.XA CN105449885B (en) | 2016-01-14 | 2016-01-14 | A kind of refrigerator compressor electric machine with aluminium winding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105449885A true CN105449885A (en) | 2016-03-30 |
| CN105449885B CN105449885B (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610025571.XA Active CN105449885B (en) | 2016-01-14 | 2016-01-14 | A kind of refrigerator compressor electric machine with aluminium winding |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3942055A (en) * | 1974-10-16 | 1976-03-02 | General Electric Company | Hermetic motor stator |
| CN201113577Y (en) * | 2007-07-24 | 2008-09-10 | 沈建生 | Aluminum wire motor |
| JP2012055137A (en) * | 2010-09-03 | 2012-03-15 | Mitsubishi Electric Corp | Stator of rotary electric machine |
| CN202260672U (en) * | 2011-08-11 | 2012-05-30 | 杭州钱江压缩机有限公司 | Stator punching sheet for copper and aluminium hybrid motor of compressor |
| CN103227522A (en) * | 2013-04-28 | 2013-07-31 | 安徽美芝制冷设备有限公司 | Efficient aluminum conductor machine of refrigerator compressor |
| CN205377476U (en) * | 2016-01-14 | 2016-07-06 | 芜湖欧宝机电有限公司 | Refrigerator freezer compressor electric machine with aluminium winding |
-
2016
- 2016-01-14 CN CN201610025571.XA patent/CN105449885B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3942055A (en) * | 1974-10-16 | 1976-03-02 | General Electric Company | Hermetic motor stator |
| CN201113577Y (en) * | 2007-07-24 | 2008-09-10 | 沈建生 | Aluminum wire motor |
| JP2012055137A (en) * | 2010-09-03 | 2012-03-15 | Mitsubishi Electric Corp | Stator of rotary electric machine |
| CN202260672U (en) * | 2011-08-11 | 2012-05-30 | 杭州钱江压缩机有限公司 | Stator punching sheet for copper and aluminium hybrid motor of compressor |
| CN103227522A (en) * | 2013-04-28 | 2013-07-31 | 安徽美芝制冷设备有限公司 | Efficient aluminum conductor machine of refrigerator compressor |
| CN205377476U (en) * | 2016-01-14 | 2016-07-06 | 芜湖欧宝机电有限公司 | Refrigerator freezer compressor electric machine with aluminium winding |
Non-Patent Citations (1)
| Title |
|---|
| 张宣枞等: "铝漆包线电机在冰箱压缩机上应用的关键技术", 《家电科技》 * |
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| CN105449885B (en) | 2018-03-06 |
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Inventor after: He Jingyun Inventor after: Hu Rongzhi Inventor after: Wu Dakui Inventor after: Wang Bingyin Inventor after: Wang Shilin Inventor after: Wang Zhen Inventor after: Li Huanhuan Inventor before: Lin Yinkun Inventor before: Dong Cailin Inventor before: Chen Luyong Inventor before: He Jingyun Inventor before: Jiang Zhian Inventor before: Wang Bingyin Inventor before: Wang Shilin Inventor before: Wang Subin Inventor before: Yang Jingjing Inventor before: Wang Cheng Inventor before: Zhang Xiaoli |
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