CN102280952A - Stator punching sheet of alternating current asynchronous motor - Google Patents

Stator punching sheet of alternating current asynchronous motor Download PDF

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Publication number
CN102280952A
CN102280952A CN201110223715XA CN201110223715A CN102280952A CN 102280952 A CN102280952 A CN 102280952A CN 201110223715X A CN201110223715X A CN 201110223715XA CN 201110223715 A CN201110223715 A CN 201110223715A CN 102280952 A CN102280952 A CN 102280952A
Authority
CN
China
Prior art keywords
groove
motor
stator punching
punching
punching sheet
Prior art date
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.)
Pending
Application number
CN201110223715XA
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Chinese (zh)
Inventor
付业伟
叶国平
洪占陆
孙锐
徐小宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Welling Wuhu Motor Manufacturing Co Ltd
Original Assignee
Welling Wuhu Motor Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Welling Wuhu Motor Manufacturing Co Ltd filed Critical Welling Wuhu Motor Manufacturing Co Ltd
Priority to CN201110223715XA priority Critical patent/CN102280952A/en
Publication of CN102280952A publication Critical patent/CN102280952A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a stator punching sheet of an alternating current asynchronous motor. The stator punching sheet is characterized in that: the sizes of two square sides, a hollow inner circular hole and punching sheet grooves of the stator punching sheet are that: the width of a square side M is 98.0 to 100.0mm, the width of a square side N is 88.0 to 90.0mm, the diameter phiA of an inner circle is 52.04 to 52.07mm, the width C of a groove opening is 1.36 to 1.38mm, the height E of the groove opening is 0.50 to 0.55mm, the height F of a groove shoulder is 0.24 to 0.29mm, the radius R1 of a groove top is 2.91 to 2.96mm, the radius R2 of a groove top is 2.67 to 2.72mm, the radius R3 of a groove top is 2.47 to 2.52mm, the diameter phiH1 of a circle where R1 is positioned is 74.08 to 74.12mm, the diameter phiH2 of a circle where R2 is positioned is 69.98 to 70.02mm, and the diameter phiH3 of a circle where R3 is positioned is 66.58 to 66.62mm. The magnetic flux densities of a tooth part and a yoke part of the stator punching sheet tend to be balanced, the leakage reactance of the motor is reduced, the electromagnetic noise of the motor is reduced, and the efficiency and the maximum torque of the motor are improved; and the areas of the punching sheet grooves are reduced by 10 percent, the area utilization rate of the punching sheet grooves is improved, copper is fully filled in the motor, the magnetic leakage factor and the temperature rise of the motor are reduced, the service life of the motor is prolonged, and the frequent starting reliability of the motor is improved.

Description

A kind of stator punching of AC asynchronous motor
Technical field
The present invention is a kind of stator punching of AC asynchronous motor, and particularly a kind of stator punching that is used for refrigerator compressor motor belongs to the renovation technique of the stator punching of AC asynchronous motor.
Background technology
Tradition is used for the stator punching of refrigerator compressor motor, circular hole in the hollow has been made at the middle part of stator punching, be evenly distributed with 24 punching grooves that are provided with along the radial direction of stator punching in the square limit of stator punching and the hollow between the circular hole, the traditional stator punching is used for having following shortcoming on the refrigerator compressor motor: 1, notch is bigger, magnetizing current is bigger, and groove leakage reactance and zigzag reactance increase; Groove shoulder height size is bigger, and the groove leakage reactance increases; 2, tooth portion magnetic is close higher, and the close height skewness of yoke portion magnetic causes electric efficiency low, and electromagnetic noise is big; 3, the punching groove area is bigger, and the groove area utilance is lower; Because groove area fails to make full use of, cause electric machine temperature rise and magnetic leakage factor to increase, needing to increase the winding consumption increases the reduction that magnetic flux improves magnetic loading, guarantees the constant and electric machine temperature rise of motor overload ability, has increased motor cost like this; 4, because the punching temperature rise has reduced motor useful life and reliability.
Summary of the invention
The objective of the invention is to consider the problems referred to above and provide a kind of motor magnetic that can improve close, reduce winding raw material consumption, prolong the stator punching of the AC asynchronous motor in motor useful life.Particularly suitable refrigerator compressor motor of the present invention.
Technical scheme of the present invention is: a kind of stator punching of AC asynchronous motor, circular hole in the hollow has been made at the middle part of stator punching, radial direction in its periphery and the hollow between the circular hole is provided with several punching grooves, the punching groove includes vat I, middle groove II, sulculus III, vat I, middle groove II, the groove top radius of sulculus III is respectively R1, R2, R3, R1, R2, R3 place circular diameter is respectively Φ H1, Φ H2, Φ H3, the two side limits that it is characterized in that stator punching, the size of circular hole and punching groove is as follows in the hollow: the width of square limit M: 98.0~100.0mm, the width of side limit N: 88.0~90.0mm, interior circular diameter Φ A:52.04~52.07 mm, slot opening C:1.36~1.38 mm, high E:0.50~the 0.55mm of notch, groove shoulder height F:0.24~0.29 mm, groove top radius R 1:2.91~2.96 mm, groove top radius R 2:2.67~2.72 mm, groove top radius R 3:2.47~2.52mm, R1 place circular diameter Φ H1:74.08~74.12 mm, R2 place circular diameter Φ H2:69.98~70.02 mm, R3 place circular diameter Φ H3:66.58~66.62 mm.
Above-mentioned several punching grooves are evenly distributed between stator punching periphery and the interior circular hole of hollow in the radial direction.
Above-mentioned punching groove is provided with 24.
It is 12 that above-mentioned punching groove is provided with vat I, and middle groove II is 8, and sulculus III is 4.
The edge of said stator punching is inner has made 5~7 installing holes, has made 3~5 place's argon arc welds on the edge.
The present invention is owing to adopt the interior circular hole of two side limits, hollow of optimization stator punching and the structure of punching groove, make close and close the tending to balance of yoke portion magnetic of tooth portion magnetic of stator punching, reduce the motor leakage reactance, reduced the electromagnetic noise of motor, improved efficiency of motor and breakdown torque; In addition, the punching groove area reduces 10%, has improved the utilance of punching groove area, and it is abundant that motor is filled out copper, reduced the magnetic leakage factor and the temperature rise of motor, improved the useful life of motor and the reliability of frequent starting; Make the motor windings consumption reduce 10-15% simultaneously, under identical electric property, motor assembly is originally low, and the present invention is that a kind of design is ingenious, function admirable, the stator punching of convenient and practical AC asynchronous motor.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the enlarged drawing of punching groove among Fig. 1.
Embodiment
As Fig. 1, shown in 2, the stator punching of AC asynchronous motor of the present invention, circular hole 3 in the hollow has been made at the middle part of this stator punching 1, radial direction in its periphery and the hollow between the circular hole 3 is provided with several punching grooves 2, punching groove 2 includes vat I, middle groove II, sulculus III, vat I, middle groove II, the groove top radius of sulculus III is respectively R1, R2, R3, R1, R2, R3 place circular diameter is respectively Φ H1, Φ H2, Φ H3, the square limit M of stator punching 1 and square limit N, the size of circular hole 3 and punching groove 2 is as follows in the hollow: the width of square limit M: 98.0~100.0mm, the width of side limit N: 88.0~90.0mm, interior circular diameter Φ A:52.04~52.07 mm, slot opening C:1.36~1.38 mm, high E:0.50~the 0.55mm of notch, groove shoulder height F:0.24~0.29 mm, groove top radius R 1:2.91~2.96 mm, groove top radius R 2:2.67~2.72 mm, groove top radius R 3:2.47~2.52mm, R1 place circular diameter Φ H1:74.08~74.12 mm, R2 place circular diameter Φ H2:69.98~70.02 mm, R3 place circular diameter Φ H3:66.58~66.62 mm.
In the present embodiment, above-mentioned punching groove 2 is provided with 24, is evenly distributed between stator punching periphery and the interior circular hole 3 of hollow in the radial direction.Wherein being provided with vat I is 12, and middle groove II is 8, and sulculus III is 4.The size of circular hole 3 and punching groove 2 is as follows in the square limit M of described stator punching 1 and square limit N, the hollow: the width of square limit M: 99mm, the width of side limit N: 89mm, interior circular diameter Φ A:52.06 mm, slot opening C:1.37mm, the high E:0.54mm of notch, groove shoulder height F:0.28 mm, groove top radius R 1:2.95 mm, groove top width degree R2:2.69 mm, groove top width degree R3:2.51mm, R1 place circular diameter Φ H1:74.11 mm, R2 place circular diameter Φ H2:69.99 mm, R3 place circular diameter Φ H3:66.60 mm.The edge of said stator punching 1 is inner has made 6 installing holes 4, has made 4 place's argon arc welds 5 on the edge.
The present invention in use, stator punching and other parts are assembled into motor, particularly suitable is made the motor of freezer compressor.

Claims (5)

1. the stator punching of an AC asynchronous motor, circular hole (3) in the hollow has been made at the middle part of stator punching (1), radial direction in its periphery and the hollow between the circular hole (3) is provided with several punching grooves (2), punching groove (2) includes vat I, middle groove II, sulculus III, vat I, middle groove II, the groove top radius of sulculus III is respectively R1, R2, R3, R1, R2, R3 place circular diameter is respectively Φ H1, Φ H2, Φ H3, the square limit M and the square limit N that it is characterized in that stator punching (1), the size of circular hole (3) and punching groove (2) is as follows in the hollow: the width of square limit M: 98.0~100.0mm, the width of side limit N: 88.0~90.0mm, interior circular diameter Φ A:52.04~52.07mm, slot opening C:1.36~1.38 mm, high E:0.50~the 0.55mm of notch, groove shoulder height F:0.24~0.29 mm, groove top radius R 1:2.91~2.96 mm, groove top radius R 2:2.67~2.72 mm, groove top radius R 3:2.47~2.52mm, R1 place circular diameter Φ H1:74.08~74.12 mm, R2 place circular diameter Φ H2:69.98~70.02 mm, R3 place circular diameter Φ H3:66.58~66.62 mm.
2. the stator punching of AC asynchronous motor according to claim 1 is characterized in that above-mentioned several punching grooves (2) are evenly distributed between stator punching periphery and the interior circular hole (3) of hollow in the radial direction.
3. the stator punching of AC asynchronous motor according to claim 1 and 2 is characterized in that above-mentioned punching groove (2) is provided with 24.
4. the stator punching of AC asynchronous motor according to claim 3 is characterized in that it is 12 that above-mentioned punching groove (2) is provided with vat I, and middle groove II is 8, and sulculus III is 4.
5. the stator punching of AC asynchronous motor according to claim 4 is characterized in that inner 5~7 installing holes (4) of having made in edge of said stator punching (1), has made 3~5 place's argon arc welds (5) on the edge.
CN201110223715XA 2011-08-05 2011-08-05 Stator punching sheet of alternating current asynchronous motor Pending CN102280952A (en)

Priority Applications (1)

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CN201110223715XA CN102280952A (en) 2011-08-05 2011-08-05 Stator punching sheet of alternating current asynchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

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CN102280952A true CN102280952A (en) 2011-12-14

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102723794A (en) * 2012-06-15 2012-10-10 湖州永昌贝诗讬电器实业有限公司 Efficient motor stator for washing machine
CN102738918A (en) * 2012-06-15 2012-10-17 湖州永昌贝诗讬电器实业有限公司 High-efficiency washing machine motor stator
CN103001345A (en) * 2012-09-30 2013-03-27 常州亚通杰威电机有限公司 Motor stator
CN103915923A (en) * 2014-03-28 2014-07-09 威灵(芜湖)电机制造有限公司 Freezer compressor and motor and stator punching piece of freezer compressor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101232207A (en) * 2007-01-25 2008-07-30 黄石东贝电器股份有限公司 Small groove-shaped motor stator punching for hermetically sealed compressor
CN201274423Y (en) * 2008-10-07 2009-07-15 广东威灵电机制造有限公司 Punched sheet for AC asynchronous motor
CN201435625Y (en) * 2009-07-16 2010-03-31 湖州南洋电机有限公司 Washing motor stator
CN101728909A (en) * 2009-10-16 2010-06-09 广东威灵电机制造有限公司 Stator punching sheet of alternating current asynchronous motor
CN201839106U (en) * 2010-06-12 2011-05-18 浙江特种电机有限公司 Motor stator punching used for refrigeration compressor
CN201918811U (en) * 2011-01-07 2011-08-03 广东威灵电机制造有限公司 Stator lamination of alternating-current asynchronous motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101232207A (en) * 2007-01-25 2008-07-30 黄石东贝电器股份有限公司 Small groove-shaped motor stator punching for hermetically sealed compressor
CN201274423Y (en) * 2008-10-07 2009-07-15 广东威灵电机制造有限公司 Punched sheet for AC asynchronous motor
CN201435625Y (en) * 2009-07-16 2010-03-31 湖州南洋电机有限公司 Washing motor stator
CN101728909A (en) * 2009-10-16 2010-06-09 广东威灵电机制造有限公司 Stator punching sheet of alternating current asynchronous motor
CN201839106U (en) * 2010-06-12 2011-05-18 浙江特种电机有限公司 Motor stator punching used for refrigeration compressor
CN201918811U (en) * 2011-01-07 2011-08-03 广东威灵电机制造有限公司 Stator lamination of alternating-current asynchronous motor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102723794A (en) * 2012-06-15 2012-10-10 湖州永昌贝诗讬电器实业有限公司 Efficient motor stator for washing machine
CN102738918A (en) * 2012-06-15 2012-10-17 湖州永昌贝诗讬电器实业有限公司 High-efficiency washing machine motor stator
CN102723794B (en) * 2012-06-15 2014-06-18 湖州永昌贝诗讬电器实业有限公司 Efficient motor stator for washing machine
CN102738918B (en) * 2012-06-15 2014-09-17 湖州永昌贝诗讬电器实业有限公司 High-efficiency washing machine motor stator
CN103001345A (en) * 2012-09-30 2013-03-27 常州亚通杰威电机有限公司 Motor stator
CN103915923A (en) * 2014-03-28 2014-07-09 威灵(芜湖)电机制造有限公司 Freezer compressor and motor and stator punching piece of freezer compressor

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Application publication date: 20111214