CN102723832A - Rotor sheet of three phase asynchronous motor - Google Patents
Rotor sheet of three phase asynchronous motor Download PDFInfo
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- CN102723832A CN102723832A CN2012102407282A CN201210240728A CN102723832A CN 102723832 A CN102723832 A CN 102723832A CN 2012102407282 A CN2012102407282 A CN 2012102407282A CN 201210240728 A CN201210240728 A CN 201210240728A CN 102723832 A CN102723832 A CN 102723832A
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Abstract
The invention relates to a rotor sheet of a three phase asynchronous motor. The rotor sheet comprises a rotor sheet body and is characterized in that 62 rotor slots are formed on the rotor sheet body and are arranged in quadrupole motor rotor iron cores with center heights of 315 and 355. According to the invention, 72 slots are arranged on a stator sheet body of the motor, the 62 slots are arranged on the rotor sheet body of the motor, and the 72 slots and the 62 slots are matched with one another, that is, the quantity of the stator sheet slots is not changed, the shapes of the rotor sheet slots are not changed, but the quantity of the rotor sheet slots is changed to be 62, so that electromagnetic noises of the original motor can be eliminated by and large, and further, the whole noises of the motor can be reduced obviously.
Description
Technical field
The present invention relates to a kind of rotor punching of threephase asynchronous, specifically be used for four utmost point electric machine rotor iron cores of 315,355 height of centers.
Background technology
Along with the attention gradually and the propaganda of global environmental pollution problem, people recognize that gradually noise pollution has become three big public hazards of contaminated environment with sewage, waste gas.For the physical and mental health of raising labour productivity and guaranteeing people, the operational environment around the People more and more attention is own and the noise pollution problem of living environment.Threephase asynchronous is seen everywhere around people, so noise of motor is an importance of noise pollution, and noise of motor also is an important technology index weighing the motor quality level simultaneously, becomes the key factor that it is competed on market.Noise of motor generally is divided into machinery noise, aerodynamic noise and electromagnetic noise, and electromagnetic noise can cause strong noise sensation.Stator punching and rotor punching are two vital parts in motor, and whether the cooperation of stator punching and rotor punching (being the flute profile quantity of stator punching and the flute profile quantity of rotor punching) is suitable is the main cause that causes electromagnetic noise.
It is 72/64 (to be that stator punching is opened 72 grooves that the rotor groove that four utmost point motors of 315,355 height of centers adopt in prior art cooperates; Rotor punching is opened 64 grooves); But people find that gradually the stator and rotor groove cooperates the motor that produces can produce very big electromagnetic noise thus in the long-term use of motor, make the overall noise of motor higher.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, thereby a kind of rotor punching of threephase asynchronous is provided, match, can eliminate the electromagnetic noise of motor basically, simultaneously the overall noise of motor is obviously descended with the stator punching of 72 grooves.
According to technical scheme provided by the invention, a kind of rotor punching of threephase asynchronous, characteristic is on the rotor punching body, to be provided with 62 rotor; Wherein the rotor size is respectively: rotor slot opening br1=1.5mm, the rotor first width br2=3.8mm, the rotor second width br3=6.4mm; Rotor bottom width br4=4.0mm, the long g=1.1mm of air gap, the high hr0=2mm of rotor notch; The rotor first height hr12=22mm, the rotor second height hr3=28mm.
Said rotor punching body is provided with 62 rotor, and wherein the rotor size is respectively:
Rotor slot opening br1=1.5mm, the rotor first width br2=3.8mm, the rotor second width br3=8.4mm; Rotor bottom width br4=5.4mm, the long g=1.2mm of air gap, the high hr0=1.0mm of rotor notch; The rotor first height hr12=19mm; The rotor second height hr3=48mm, technology height hrs=0.5mm, zs2=30 ° of rotor shoulder slope angle.
Compared with present technology the present invention has the following advantages:
The present invention is because the mating groove that on the rotor punching body of motor, is provided with changes 72/62 into; Be that stator punching groove quantity remains unchanged; Just the flute profile quantity with rotor punching changes 62 rotor into; Motor just can be eliminated original electromagnetic noise in use basically like this, simultaneously the overall noise of motor is decreased drastically.
Description of drawings
Fig. 1 is the present invention's 62 groove rotor punching structural representations.
Fig. 2 is cast-aluminum rotor figure of the present invention.
Embodiment
Following the present invention will combine the embodiment in the accompanying drawing to further describe:
The present invention only need change the diel of rotor punching, on punch press, goes out (Fig. 1) rotor punching with silicon steel sheet, on rotor punching body 1, is provided with 62 rotor 3.
Embodiment one: four utmost point electric machine rotor iron cores that are used for 315 height of centers.
Wherein rotor 3 sizes are respectively: rotor slot opening br1=1.5mm, the rotor first width br2=3.8mm, the rotor second width br3=6.4mm; Rotor bottom width br4=4.0mm; The long g=1.1mm of air gap, the high hr0=2mm of rotor notch, the rotor first height hr12=22mm; Rotor second height hr3=28mm is cast into one with the rotor punching body 1 of some with aluminium 2 again and constitutes (Fig. 2) cast-aluminum rotor on special-purpose rotor die casting machine.The present invention program does not change original fit of motor.
Embodiment two: four utmost point electric machine rotor iron cores that are used for 355 height of centers.
Wherein rotor 3 sizes are respectively: rotor slot opening br1=1.5mm, the rotor first width br2=3.8mm, the rotor second width br3=8.4mm; Rotor bottom width br4=5.4mm, the long g=1.2mm of air gap, the high hr0=1.0mm of rotor notch; The rotor first height hr12=19mm; The rotor second height hr3=48mm, technology height hrs=0.5mm, zs2=30 ° of rotor shoulder slope angle.
Claims (3)
1. the rotor punching of a threephase asynchronous comprises rotor punching body (1), it is characterized in that: said rotor punching body (1) is provided with 62 rotor (3).
2. the rotor punching of a kind of threephase asynchronous as claimed in claim 1, it is characterized in that: said rotor (3) size is respectively: rotor slot opening br1=1.5mm, the rotor first width br2=3.8mm; The rotor second width br3=6.4mm; Rotor bottom width br4=4.0mm, the long g=1.1mm of air gap, the high hr0=2mm of rotor notch; The rotor first height hr12=22mm, the rotor second height hr3=28mm.
3. the rotor punching of a kind of threephase asynchronous as claimed in claim 1, it is characterized in that: said rotor (3) size is respectively: rotor slot opening br1=1.5mm, the rotor first width br2=3.8mm; The rotor second width br3=8.4mm, rotor bottom width br4=5.4mm, the long g=1.2mm of air gap; The high hr0=1.0mm of rotor notch, the rotor first height hr12=19mm, the rotor second height hr3=48mm; Technology height hrs=0.5mm, zs2=30 ° of rotor shoulder slope angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102407282A CN102723832A (en) | 2012-07-11 | 2012-07-11 | Rotor sheet of three phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102407282A CN102723832A (en) | 2012-07-11 | 2012-07-11 | Rotor sheet of three phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102723832A true CN102723832A (en) | 2012-10-10 |
Family
ID=46949527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102407282A Pending CN102723832A (en) | 2012-07-11 | 2012-07-11 | Rotor sheet of three phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102723832A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457373A (en) * | 2013-09-09 | 2013-12-18 | 中达电机股份有限公司 | Rotor sheet with axial ventilation holes |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4827172A (en) * | 1987-03-10 | 1989-05-02 | Mitsuba Electric Mfg., Co., Ltd. | Dc motor with rotor slots closely spaced |
| CN101291083A (en) * | 2008-04-30 | 2008-10-22 | 无锡市中达电机有限公司 | Punch tablet for rotor of motor |
| CN202696420U (en) * | 2012-07-11 | 2013-01-23 | 无锡市中达电机有限公司 | Rotor sheet of three-phase asynchronous motor |
-
2012
- 2012-07-11 CN CN2012102407282A patent/CN102723832A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4827172A (en) * | 1987-03-10 | 1989-05-02 | Mitsuba Electric Mfg., Co., Ltd. | Dc motor with rotor slots closely spaced |
| CN101291083A (en) * | 2008-04-30 | 2008-10-22 | 无锡市中达电机有限公司 | Punch tablet for rotor of motor |
| CN202696420U (en) * | 2012-07-11 | 2013-01-23 | 无锡市中达电机有限公司 | Rotor sheet of three-phase asynchronous motor |
Non-Patent Citations (1)
| Title |
|---|
| 陈世坤: "《电机设计》", 31 October 1990, 机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457373A (en) * | 2013-09-09 | 2013-12-18 | 中达电机股份有限公司 | Rotor sheet with axial ventilation holes |
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Application publication date: 20121010 |