CN201122885Y - Novel three phase asynchronous motor - Google Patents
Novel three phase asynchronous motor Download PDFInfo
- Publication number
- CN201122885Y CN201122885Y CNU2007200572684U CN200720057268U CN201122885Y CN 201122885 Y CN201122885 Y CN 201122885Y CN U2007200572684 U CNU2007200572684 U CN U2007200572684U CN 200720057268 U CN200720057268 U CN 200720057268U CN 201122885 Y CN201122885 Y CN 201122885Y
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- Prior art keywords
- rotor
- air gaps
- leakage flux
- stator
- air gap
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Abstract
The utility model relates to a novel three-phase asynchronous motor, which comprises a stator and a rotor, wherein the leakage flux between the air gaps of the stator and the rotor is not interlinked to the surface of the rotor; the air gaps are larger than the air gaps in the prior art; through appropriate increase of the air gaps, the leakage flux is not interlinked to the surface of the rotor, less eddy current loss can be generated on the surface of the rotor, thereby the aim of inhibiting the stray loss of the leakage flux of the air gaps is realized, practices prove that the effect is good, and the temperature rise of the motor is greatly reduced.
Description
Technical field:
The utility model relates to the motor technology field, particularly a kind of novel threephase asynchronous.
Background technology:
At present, the low-voltage three phase asynchronous motor of China's middle and small motor industry production is that to unify design data with Shanghai Electric Appliances Science Inst be technical basis basically.The electromechanics trade situation was better in nearly 2 years, and each producer all obtains large development, and product is done bigger and bigger, and medium-sized product is more and more.Because unified design before is perfect inadequately technically, there are some defectives, bigger such as the Y2 loss, cause the in the past more stator temperature rise height that occurs of middle size motor of production almost can not produce by the primitive technology data with the high phenomenon of bearing temperature, especially Y2-355 motor.Through the loss of electric machine is carried out labor, think the high main cause of electric machine temperature rise be since air gap too for a short time cause stray loss too big due to, its cardinal principle is: see Fig. 1, there is more leakage flux 03 in the air gap between stator 01 and the rotor 02, in air gap delta 1 hour, the whole interlinkages of leakage flux are to rotor surface.During machine work car rotor airgap, rotor surface has many metal adhesions, and silicon steel sheet thickness is bigger in addition, makes air-gap leakage flux induce a large amount of eddy current at rotor surface, thereby produces a large amount of eddy current losses, i.e. the assorted consumption of air gap.
The utility model content:
The purpose of this utility model is to provide a kind of novel threephase asynchronous at the deficiencies in the prior art.
For achieving the above object, the utility model adopts following technical scheme:
It comprises stator, rotor, and the leakage flux between the air gap of stator and rotor does not have interlinkage to rotor surface, and described air gap increases.
The beneficial effects of the utility model are, by suitable increase air gap, make air-gap leakage flux not have interlinkage to rotor surface, make the less generation eddy current loss of rotor surface, thereby realize suppressing the purpose of air-gap leakage flux stray loss, facts have proved that effect is fine, electric machine temperature rise is reduced by a relatively large margin.
Description of drawings:
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the prior art constructions principle schematic
Fig. 2 is a structural principle schematic diagram of the present utility model
Embodiment:
The following stated only is a better embodiment of the present utility model, does not therefore limit protection range of the present utility model.
See accompanying drawing 2, the utility model comprises: stator 10, rotor 20, and the leakage flux 30 between the air gap of stator 10 and rotor 20 is less even do not have interlinkage to rotor 20 surfaces, and described air gap increases, and this mainly is to be decided by air gap.
Certainly, if air gap delta 2 is bigger with air gap delta 1 difference of prior art, then can have influence on the quality of motor.
The utility model is by suitably amplifying air gap, make air-gap leakage flux less even do not have interlinkage, make the less generation eddy current loss of rotor surface, thereby realize suppressing the purpose of air-gap leakage flux stray loss to rotor surface, facts have proved that effect is fine, electric machine temperature rise is reduced by a relatively large margin.
Claims (1)
1. novel threephase asynchronous, it comprises stator (10), rotor (20), it is characterized in that: the leakage flux (30) between the air gap of stator (10) and rotor (20) does not have interlinkage to rotor (20) surface, and described air gap increases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200572684U CN201122885Y (en) | 2007-09-21 | 2007-09-21 | Novel three phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200572684U CN201122885Y (en) | 2007-09-21 | 2007-09-21 | Novel three phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201122885Y true CN201122885Y (en) | 2008-09-24 |
Family
ID=40010126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200572684U Expired - Fee Related CN201122885Y (en) | 2007-09-21 | 2007-09-21 | Novel three phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201122885Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104199A (en) * | 2013-04-08 | 2014-10-15 | 株式会社安川电机 | Rotating electrical machine |
| CN114157090A (en) * | 2021-11-19 | 2022-03-08 | 中国科学院电工研究所 | Flywheel energy storage system easy to dissipate heat and method for inhibiting temperature rise of rotor of flywheel energy storage system under vacuum condition |
-
2007
- 2007-09-21 CN CNU2007200572684U patent/CN201122885Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104199A (en) * | 2013-04-08 | 2014-10-15 | 株式会社安川电机 | Rotating electrical machine |
| CN114157090A (en) * | 2021-11-19 | 2022-03-08 | 中国科学院电工研究所 | Flywheel energy storage system easy to dissipate heat and method for inhibiting temperature rise of rotor of flywheel energy storage system under vacuum condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20140921 |
|
| EXPY | Termination of patent right or utility model |