CN201238216Y - Stator core for an electric machine - Google Patents
Stator core for an electric machine Download PDFInfo
- Publication number
- CN201238216Y CN201238216Y CNU2008200514630U CN200820051463U CN201238216Y CN 201238216 Y CN201238216 Y CN 201238216Y CN U2008200514630 U CNU2008200514630 U CN U2008200514630U CN 200820051463 U CN200820051463 U CN 200820051463U CN 201238216 Y CN201238216 Y CN 201238216Y
- Authority
- CN
- China
- Prior art keywords
- angle
- stator
- motor
- stator core
- slots
- 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.)
- Expired - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 abstract description 4
- 229910000976 Electrical steel Inorganic materials 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 210000000515 tooth Anatomy 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000005267 amalgamation Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to a stator core for motor especially is fit for using in the middle of single-phase asynchronous capacitor operation plastic envelope motor. The body of the stator core is provided with a yoke part and a plurality of stator slots distributed along the circumferential direction, and included angles formed by radial extension center lines of two adjacent stator slots include a first part included angle with a larger angle and a second part included angle with a smaller angle, wherein the first part included angle and the second part included angle are distributed alternately along the circumferential direction of the core body. The stator core with the structure has the advantages that under the condition that the iron core stacking thickness is not increased, the sizes of the angles among the slots of the stator slots are alternately distributed, the defects of the stator core with the same angles among the slots are overcome, the motor efficiency is improved, the electrical performance is improved, the temperature rise and the motor running noise are reduced, the stacking thickness of the stator and the rotor and the number of winding turns can be reduced, the using amount of enameled wires and silicon steel sheets is reduced, and the motor cost is reduced.
Description
Technical field
The utility model relates to a kind of stator core that is used for motor.
Background technology
In fields such as air-conditionings, single-phase asynchronous capacitor operating plastic packaging motor is a kind of motor of using comparatively generally.This motor comprises stator and rotor etc., has air gap between stator and the rotor; Stator comprises stator core and stator coil, and wherein stator core comprises a plurality of stator tooths of protrusion and the stator slot that forms between each stator tooth; Stator coil is around the yoke portion of stator core, and the form that winds the line in the form of a ring behind the stator coil winding connection single phase alternating current power supply, under the acting in conjunction of main winding and auxiliary winding, forms rotation magnetic field boundary and makes the rotor rotation in the air gap.The stator core of plastic packaging motor has 16 stator slots usually at present, and the angle angle of radially extending center line of adjacent two stator slots is 22.5 °.Therefore defectives such as the motor stator that adopts this traditional stator core to make uses discovery through reality, and it is low to exist electric efficiency, and temperature rise is fast, power consumption is high, running noise of motor is big are further improved, with needs and the requirement of satisfying the user better.
The utility model content
The purpose of this utility model is to provide a kind of stator core that is used for motor, and it can improve electric efficiency, reduces the consumption of enamelled wire and silicon steel sheet, and motor cost is descended.
For achieving the above object, the utility model provides a kind of stator core that is used for motor, comprises the iron core body, and this body has circumferential several stator slots that distribute of yoke portion and edge; In the formed angle of radially extension center line by adjacent two stator slots, comprised having than first's angle of wide-angle and the second portion angle with smaller angle, described first angle and second portion angle distributed along circumferentially being alternately of described iron core body.
The stator core of said structure is not increasing under the folded thick situation of iron core, angular dimension is alternately distributed between the groove of employing stator slot, overcome the defective of the stator core existence that angle equates between groove, improved electric efficiency, improve electric property, reduced temperature rise and motor operation noise, and can reduce the folded thick and umber of turn of stator, rotor, reduce the consumption of enamelled wire and silicon steel sheet, motor cost is descended.
Further, the angular range of described first angle is 22.88 °～23.88 °, and the angular range of less angle is 21.12 °～22.12 °.Preferably, the angle of described first angle is 23.38 °, and the angle of described second portion angle is 21.62 °.
The quantity of described first angle and second portion angle preferably respectively is 8.
The radially extension center line of described stator slot passes its notch, is convenient to coiling like this, and coiling is evenly distributed.
In order to reduce cost and to enhance productivity, described iron core body is spliced by the joggle cooperation by first assembly and second assembly of semicircular in shape.Adopt such syndeton, avoided the shortcoming that welding amalgamation efficient is low, learies is big, its manufacturing process is simple, stator core assembles and saves time, the saving of labor, reduce production cost, and guaranteed the concentricity of stator core, improved the Performance And Reliability of motor stator.The utility model especially is fit to be applied in the middle of the single-phase asynchronous capacitor operating plastic packaging motor.
Description of drawings
Fig. 1 is the structural representation of first kind of execution mode of the utility model stator core;
Fig. 2 is the structural representation of first assembly of stator core shown in Figure 1;
Fig. 3 is the structural representation of second assembly of stator core shown in Figure 1.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Embodiment
Referring to Fig. 1 to Fig. 3, first kind of execution mode of stator core of the present utility model comprises iron core body 1, in order to reduce cost and to enhance productivity, this iron core body 1 is spliced by the joggle cooperation by first assembly 11 and second assembly 12 of semicircular in shape, first end of first assembly 11 has one first joint tongue 111, first end that second end has one first tongue-and-groove, 112, the second assemblies 12 has one second tongue-and-groove 121, the second ends and has one second joint tongue 122.First joint tongue 111 can embed second tongue-and-groove 121 and form cooperation, and second joint tongue 122 can embed first tongue-and-groove 112 and form cooperation, thereby first assembly 11 and 12 splicings of second assembly are formed a circular iron core body 1.Adopt such syndeton, avoided the shortcoming that welding amalgamation efficient is low, learies is big, its manufacturing process is simple, stator core assembles and saves time, the saving of labor, reduce production cost, and guaranteed the concentricity of stator core, improved the Performance And Reliability of motor stator.
Iron core body 1 have yoke portion 2 and 3,16 stator tooths 3 of 16 stator tooths respectively along iron core body 1 radially be radioactive ray ground to projecting inward from yoke portion 2, be formed with 16 stator slots 4 that circumferentially distribute along iron core body 1 between 16 stator tooths 3 altogether.The radially extension center line of each stator slot 4 passes its notch 41, is convenient to coiling like this, and coiling is evenly distributed.In formed 16 angles altogether by the radially extension center line of adjacent two stator slots 4, comprised having than the angle α of first of wide-angle and the second portion angle β with smaller angle, angle α of first and second portion angle β respectively have 8.Angle α of first and second portion angle β distributed along circumferentially being alternately of iron core body 1, and promptly the both sides of any one angle α of first are second portion angle β, and the both sides of any one second portion angle β are the angle α of first.In the present embodiment, the angle [alpha] of first's angle is 23.38 °, and the angle of second portion angle β is 21.62 °.
As second kind of execution mode of the present utility model, the angle of the angle α of first is 23.88 °, and the angle of second portion angle β is 21.12 °.
As the third execution mode of the present utility model, the angle of the angle α of first is 22.88 °, and the angle of second portion angle β is 22.12 °.
Above-described only is preferred implementation of the present utility model, should be understood that, for the person of ordinary skill of the art, do not breaking away under the inventive concept prerequisite of the present utility model, can also make some distortion and improvement, for example, first's angle and second portion angle can also be selected other angle value for use, as long as guarantee the angle value of the angle value of first's angle greater than the second portion angle.Of this sort distortion and improvement all belong to protection range of the present utility model.
Claims (6)
1, a kind of stator core that is used for motor comprises
The iron core body has several stator slots that yoke portion and edge circumferentially distribute;
It is characterized in that:
In the formed angle of radially extension center line by adjacent two stator slots, comprised having than first's angle of wide-angle and the second portion angle with smaller angle, described first angle and second portion angle distributed along circumferentially being alternately of described iron core body.
2, according to the described stator core that is used for motor of claim 1, it is characterized in that: the angular range of described first angle is 22.88 °～23.88 °, and the angular range of less angle is 21.12 °～22.12 °.
3, according to the described stator core that is used for motor of claim 2, it is characterized in that: the angle of described first angle is 23.38 °, and the angle of described second portion angle is 21.62 °.
4, according to the described stator core that is used for motor of claim 1, it is characterized in that: the quantity of described first angle and second portion angle respectively is 8.
5, according to the described stator core that is used for motor of claim 1, it is characterized in that: the radially extension center line of described stator slot passes its notch.
6, according to each described stator core that is used for motor of claim 1 to 5, it is characterized in that: described iron core body is spliced by the joggle cooperation by first assembly and second assembly of semicircular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200514630U CN201238216Y (en) | 2008-07-25 | 2008-07-25 | Stator core for an electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200514630U CN201238216Y (en) | 2008-07-25 | 2008-07-25 | Stator core for an electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201238216Y true CN201238216Y (en) | 2009-05-13 |
Family
ID=40650949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200514630U Expired - Lifetime CN201238216Y (en) | 2008-07-25 | 2008-07-25 | Stator core for an electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201238216Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633754A (en) * | 2013-10-16 | 2014-03-12 | 廖岳威 | Winding slot and drawing slot isolated three-phase motor |
| CN103730995A (en) * | 2013-12-20 | 2014-04-16 | 合肥凯邦电机有限公司 | External rotor single-phase motor |
| CN104467212A (en) * | 2014-11-28 | 2015-03-25 | 广东威灵电机制造有限公司 | Stator iron core, stator and motor |
| CN110971025A (en) * | 2018-09-28 | 2020-04-07 | 日本电产株式会社 | Motor with a stator having a stator core |
-
2008
- 2008-07-25 CN CNU2008200514630U patent/CN201238216Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633754A (en) * | 2013-10-16 | 2014-03-12 | 廖岳威 | Winding slot and drawing slot isolated three-phase motor |
| CN103633754B (en) * | 2013-10-16 | 2016-09-14 | 中山市威宇技研机电有限公司 | A kind of slot for winding and take out wire casing compartment three phase electric machine |
| CN103730995A (en) * | 2013-12-20 | 2014-04-16 | 合肥凯邦电机有限公司 | External rotor single-phase motor |
| CN104467212A (en) * | 2014-11-28 | 2015-03-25 | 广东威灵电机制造有限公司 | Stator iron core, stator and motor |
| WO2016082639A1 (en) * | 2014-11-28 | 2016-06-02 | 广东威灵电机制造有限公司 | Stator iron core and stator, motor |
| CN104467212B (en) * | 2014-11-28 | 2017-07-04 | 广东威灵电机制造有限公司 | Stator core and stator, motor |
| CN110971025A (en) * | 2018-09-28 | 2020-04-07 | 日本电产株式会社 | Motor with a stator having a stator core |
| CN110971025B (en) * | 2018-09-28 | 2022-04-08 | 日本电产株式会社 | Motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHUHAI KAIBANG MOTOR MANUFACTURE Co.,Ltd. Assignor: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI|ZHUHAI KAIBANG MOTOR MANUFACTURE Co.,Ltd. Contract fulfillment period: 2009.6.12 to 2014.6.12 Contract record no.: 2009440000515 Denomination of utility model: Stator core for an electric machine Granted publication date: 20090513 License type: Exclusive license Record date: 20090618 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.6.12 TO 2014.6.12; CHANGE OF CONTRACT Name of requester: ZHUHAI KAIBANG ELECTRICAL MACHINERY MANUFACTURING Effective date: 20090618 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090513 |
|
| CX01 | Expiry of patent term |