CN101728909B - 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
CN101728909B
CN101728909B CN2009101931353A CN200910193135A CN101728909B CN 101728909 B CN101728909 B CN 101728909B CN 2009101931353 A CN2009101931353 A CN 2009101931353A CN 200910193135 A CN200910193135 A CN 200910193135A CN 101728909 B CN101728909 B CN 101728909B
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CN
China
Prior art keywords
groove
punching
motor
stator punching
punching sheet
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Expired - Fee Related
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CN2009101931353A
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Chinese (zh)
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CN101728909A (en
Inventor
叶国平
吴正红
张建峰
张远
吴延兵
付业伟
姜剑
袁坤
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Welling Wuhu Motor Manufacturing Co Ltd
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Guangdong Welling Motor Manufacturing Co Ltd
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Priority to CN2009101931353A priority Critical patent/CN101728909B/en
Publication of CN101728909A publication Critical patent/CN101728909A/en
Application granted granted Critical
Publication of CN101728909B publication Critical patent/CN101728909B/en
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Abstract

The invention discloses a stator punching sheet of an alternating current asynchronous motor. A hollow internal circular hole is arranged in the middle of the stator punching sheet; a plurality of punching sheet grooves are arranged in the radial direction; the punching sheet grooves comprise a big groove I, a middle groove II and a small groove III, wherein the square edges M and N of the stator punching sheet, the hollow internal circular hole and the punching sheet grooves have the following sizes: width of square edge M: 108.98-109.02 mm; width of square edge N: 103.98-104.02 mm, and cavity internal circular hole diameter Phi A: 60.955-60.985 m. In the invention, the gear flux density and the yoke flux density of the stator punching sheet tend to be balance, the electromagnetic noise of the motor is reduced and the efficiency of the motor is improved; furthermore, the area of the punching sheet groove decreases by 11.5%, the utilization rate of the area of the punching sheet groove is enhanced, the copper is adequately filled in the motor, the magnetic leakage coefficient and the temperature rise of the motor are reduced, and the service life and the reliability of frequent startup of the motor are improved; at the same time, the usage amount of a motor winding reduces by 7-10%, the total cost of the motor is lower under the condition of the same electric performance.

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 existing on the refrigerator compressor motor following shortcoming: 1, tooth portion magnetic is close higher, the close height skewness of yoke portion magnetic, cause electric efficiency low, electromagnetic noise is big; 2, the punching groove area is bigger, 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, need to increase the winding consumption and increase the reduction that magnetic flux improves magnetic loading, guarantees the constant and electric machine temperature rise of motor overload ability, increased motor cost like this; 3, 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 of the present invention is made the stator punching of freezer compressor high efficiency motor.
Technical scheme of the present invention is: circular hole in the hollow has been made at the middle part of stator punching of the present invention, the radial direction of circular hole is provided with several punching grooves in the hollow, 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, this place circle is meant that the center of circle with circular hole in the hollow is the center of circle, is the circle of radius with this center of circle to the distance between the center of circle of punching groove groove tip circle, wherein the square limit M of stator punching and square limit N, the size of circular hole and punching groove is as follows in the hollow:
The width of side limit M: 108.98~109.02mm
The width of side limit N: 103.98~104.02mm
Diameter of phi A:60.955~the 60.985mm of circular hole in the hollow
Slot opening C:1.43~1.45mm
High E:0.48~the 0.52mm of notch
Groove shoulder height F:1.07~1.11mm
Groove top radius R 1:2.99~3.03mm
Groove top radius R 2:2.73~2.77mm
Groove top radius R 3:2.48~2.52mm
R1 place circular diameter Φ H1:80.27~80.31mm
R2 place circular diameter Φ H2:76.29~76.33mm
R3 place circular diameter Φ H3:72.46~72.50mm
Radius R 4:0.38~the 0.42mm of punching groove groove shoulder place arc chord angle
Radius R 5:0.23~the 0.27mm of punching groove notch place arc chord angle.
Above-mentioned several punching grooves are evenly distributed on the interior circular hole of hollow in the radial direction.
Above-mentioned punching groove is provided with 24.
It is 16 that above-mentioned punching groove is provided with vat I, and middle groove II is 4, and sulculus III is 4.
Make 4 installing holes in the said stator punching and made 4 place's argon arc welds.
Above-mentioned 4 installing holes and 4 place's argon arc welds all are distributed on the stator punching.
The present invention makes close and close the tending to balance of yoke portion magnetic of tooth portion magnetic of stator punching owing to adopt the structure of optimizing stator punching slot part size, has reduced the electromagnetic noise of motor, has improved efficiency of motor; In addition, the punching groove area reduces 11.5%, 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 7-10% 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
Embodiment:
Structural representation of the present invention such as Fig. 1, shown in 2, of the present invention, circular hole 3 in the hollow has been made at the middle part of stator punching 1, the radial direction of circular hole 3 is provided with several punching grooves 2 in the hollow, 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, this place circle is meant that the center of circle with circular hole in the hollow is the center of circle, is the circle of radius with this center of circle to the distance between the center of circle of punching groove groove tip circle, wherein 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 side limit M: 108.98~109.02mm
The width of side limit N: 103.98~104.02mm
Diameter of phi A:60.955~the 60.985mm of circular hole in the hollow
Slot opening C:1.43~1.45mm
High E:0.48~the 0.52mm of notch
Groove shoulder height F:1.07~1.11mm
Groove top radius R 1:2.99~3.03mm
Groove top radius R 2:2.73~2.77mm
Groove top radius R 3:2.48~2.52mm
R1 place circular diameter Φ H1:80.27~80.31mm
R2 place circular diameter Φ H2:76.29~76.33mm
R3 place circular diameter Φ H3:72.46~72.50mm
Radius R 4:0.38~the 0.42mm of punching groove groove shoulder place arc chord angle
Radius R 5:0.23~the 0.27mm of punching groove notch place arc chord angle.
Above-mentioned several punching grooves 2 are evenly distributed on the interior circular hole 3 of hollow in the radial direction.
Above-mentioned punching groove 2 is provided with 24.
In the present embodiment, it is 16 that above-mentioned punching groove 2 is provided with vat I, and middle groove II is 4, and sulculus III is 4.
In addition, 4 installing holes 4 and made 4 place's argon arc welds 5 have been made on the stator punching 1.4 installing holes 4 and 4 place's argon arc welds 5 all are distributed on the stator punching 1.
The present invention in use, stator punching of the present invention and other parts are assembled into motor, particularly suitable is made the high efficiency motor of freezer compressor.

Claims (6)

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), the radial direction of circular hole (3) is provided with several punching grooves (2) in the hollow, 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, this place circle is meant that the center of circle with circular hole in the hollow is the center of circle, is the circle of radius with this center of circle to the distance between the center of circle of punching groove groove tip circle, it is characterized in that the square limit M and the square limit N of stator punching (1), the size of circular hole (3) and punching groove (2) is as follows in the hollow:
The width of side limit M: 108.98~109.02mm
The width of side limit N: 103.98~104.02mm
Diameter of phi A:60.955~the 60.985mm of circular hole in the hollow
Slot opening C:1.43~1.45mm
High E:0.48~the 0.52mm of notch
Groove shoulder height F:1.07~1.11mm
Groove top radius R 1:2.99~3.03mm
Groove top radius R 2:2.73~2.77mm
Groove top radius R 3:2.48~2.52mm
R1 place circular diameter Φ H1:80.27~80.31mm
R2 place circular diameter Φ H2:76.29~76.33mm
R3 place circular diameter Φ H3:72.46~72.50mm
Radius R 4:0.38~the 0.42mm of punching groove groove shoulder place arc chord angle
Radius R 5:0.23~the 0.27mm of punching groove notch place arc chord angle.
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 on 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 16 that above-mentioned punching groove (2) is provided with vat I, and middle groove II is 4, and sulculus III is 4.
5. the stator punching of AC asynchronous motor according to claim 4 is characterized in that having made in the said stator punching (1) 4 installing holes (4) and has made 4 place's argon arc welds (5).
6. the stator punching of AC asynchronous motor according to claim 5 is characterized in that above-mentioned 4 installing holes (4) and 4 place's argon arc welds (5) all are distributed on the stator punching (1).
CN2009101931353A 2009-10-16 2009-10-16 Stator punching sheet of alternating current asynchronous motor Expired - Fee Related CN101728909B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009101931353A CN101728909B (en) 2009-10-16 2009-10-16 Stator punching sheet of alternating current asynchronous motor

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Application Number Priority Date Filing Date Title
CN2009101931353A CN101728909B (en) 2009-10-16 2009-10-16 Stator punching sheet of alternating current asynchronous motor

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CN101728909A CN101728909A (en) 2010-06-09
CN101728909B true CN101728909B (en) 2011-12-14

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102280952A (en) * 2011-08-05 2011-12-14 威灵(芜湖)电机制造有限公司 Stator punching sheet of alternating current asynchronous motor
CN104953730A (en) * 2015-06-11 2015-09-30 合肥市通得力电气制造有限公司 Stator punching plate used for air conditioning fan motor
CN104953731A (en) * 2015-06-16 2015-09-30 合肥市通得力电气制造有限公司 Stator punching plate used for air conditioning fan motor
CN107394912A (en) * 2017-08-09 2017-11-24 珠海格力节能环保制冷技术研究中心有限公司 Threephase stator punching and three phase electric machine
CN110289710A (en) * 2019-07-09 2019-09-27 山西电机制造有限公司 A kind of big sulculus stator punching that MgO-ZrO_2 brick is 9

Citations (3)

* 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
CN201315504Y (en) * 2008-12-05 2009-09-23 黄石艾博科技发展有限公司 Stator punching for piston-type refrigerating compressor motor

Patent Citations (3)

* 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
CN201315504Y (en) * 2008-12-05 2009-09-23 黄石艾博科技发展有限公司 Stator punching for piston-type refrigerating compressor motor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP昭58-108935A 1983.06.29

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Application publication date: 20100609

Assignee: Welling (Wuhu) Motor Manufacturing Co., Ltd.

Assignor: Guangdong Welling Electric Machine Manufacture Co., Ltd.

Contract record no.: 2013440000584

Denomination of invention: Stator punching sheet of alternating current asynchronous motor

Granted publication date: 20111214

License type: Exclusive License

Record date: 20131226

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170110

Address after: 241009 Wuhu economic and Technological Development Zone, Anhui

Patentee after: Welling (Wuhu) Motor Manufacturing Co., Ltd.

Address before: 528311 Penglai Road, Beijiao Town, Foshan District, Guangdong, China,

Patentee before: Guangdong Welling Motor Manufacturing Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111214

Termination date: 20191016