CN101728910A - 12-pole outer rotor capacitor running asynchronous motor - Google Patents
12-pole outer rotor capacitor running asynchronous motor Download PDFInfo
- Publication number
- CN101728910A CN101728910A CN200910041041A CN200910041041A CN101728910A CN 101728910 A CN101728910 A CN 101728910A CN 200910041041 A CN200910041041 A CN 200910041041A CN 200910041041 A CN200910041041 A CN 200910041041A CN 101728910 A CN101728910 A CN 101728910A
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- stator
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- capacitor
- pole outer
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- 239000003990 capacitor Substances 0.000 title abstract 2
- 238000004804 winding Methods 0.000 claims abstract description 22
- 238000004080 punching Methods 0.000 claims description 13
- 241000220324 Pyrus Species 0.000 claims description 3
- 235000021017 pears Nutrition 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 7
- 230000004907 flux Effects 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 abstract 2
- 239000010959 steel Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
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Abstract
The invention relates to a 12-pole outer rotor capacitor running asynchronous motor. The motor comprises a motor stator arranged on a motor shaft and a motor rotor sleeved outside the motor stator, wherein the number of stator slots of the motor stator is 24, the number of main winding slots and the number of auxiliary winding slots are respectively 12, and the ratio of the number of stator slots of the motor stator to the number of rotor slots of the motor rotor is 0.3-0.7. The ratio of the stator outer diameter D1 of the motor stator to the rotor outer diameter D2 of the motor rotor is 0.68-0.95. The invention has the characteristics of small vibration and low noise of the motor, high rotating speed and the like; in addition, in order to fully utilize the area of the iron core stamped steel, the groove type is designed into a double-row groove structure, the groove area and the tooth part area are increased, the use efficiency of the iron core is effectively improved, in addition, the groove type adopts arc transition, the widths of the tooth parts and the yoke parts of the stator and the rotor are uniformly designed, and the magnetic flux density distribution of the tooth parts and the yoke parts of the stator and the rotor is reasonable and relatively balanced, so that the iron loss of the stamped steel is favorably reduced, the heating of the motor is reduced, the temperature rise of a winding is reduced, and.
Description
Technical field
The present invention is a kind of 12 capacitor-run asynchronous motor with six-pole outer rotors, especially for 12 capacitor-run asynchronous motor with six-pole outer rotors of fan, belongs to the renovation technique of 12 capacitor-run asynchronous motor with six-pole outer rotors.
Background technology
Present domestic external-rotor capacitor-run asynchronous motor has 12 utmost points, 14 utmost points and 16 utmost points.Wherein 14 utmost point electromagnetism rotating speeds are 428.5rpm, and 16 utmost point electromagnetism rotating speeds are 375rpm, and 12 utmost point electromagnetism rotating speeds are 500rpm, and the electromagnetism rotating speed of 12 utmost point motors is the highest, is applied to have characteristics such as wind speed is big on the ceiling fan.In addition, the 1200mm ceiling fan adopts domestic existing 14 utmost points or 16 utmost point motors to compare with the motor that adopts 12 utmost points with the 1400mm ceiling fan, when reaching national fan efficiency standard, adopt the motor cost of 12 utmost points lower, adopt existing 14 utmost points or 16 utmost point motor cost higher, therefore, 12 utmost point motors will be more and more wider as motor application low-cost, high running.But the vibrations and the noise of existing 12 utmost point motors are also bigger, and it are not applied in 48 cun and 46 cun above the ceiling fan.
Summary of the invention
The objective of the invention is to consider the problems referred to above and a kind of raising rotating speed is provided, reduce cost, and can avoid dead point and concave point on the motor torque speed characteristic, have the little and 12 low capacitor-run asynchronous motor with six-pole outer rotors of noise of vibrations of motor.The present invention not only cost is low, and has satisfied domestic and international client and pursued the big requirement of ceiling fan product wind speed.
Technical scheme of the present invention is: include the rotor that is installed in the motor stator on the motor shaft and is sleeved on the motor stator outside, the groove number of the stator slot of motor stator is 24, wherein main winding groove number and pair slot for winding number are each 12, and the number of stator slots of motor stator is 0.3～0.7 with the ratio of the groove number of the rotor of rotor.
The ratio 0.68～0.95 of the stator outer diameter D1 of above-mentioned motor stator and the rotor diameter D2 of rotor.
The stator external tooth facewidth size T1 of above-mentioned motor stator and the ratio 0.8～1.7 of stator internal tooth facewidth size d1.
The ratio 0.3～0.9 of the height d2 of the rotor facewidth T2 of above-mentioned rotor and yoke portion.
The grooved of the stator slot of above-mentioned motor stator adopts double groove structure.
In the double groove of above-mentioned motor stator, be reference with the stator cylindrical, it is main winding that shallow slot embeds winding, and deep trouth embeds winding for paying winding.
The double groove of the stator slot of above-mentioned motor stator is pears type groove; The grooved of above-mentioned rotor is the level land groove.
Be provided with the stator punching tooth between the adjacent slot of the stator slot of above-mentioned motor stator.
Be provided with the rotor punching tooth between the adjacent slot of the rotor of above-mentioned rotor.
Said stator punching tooth and rotor punching tooth are parallel teeth.
The present invention is owing to adopt the number of poles of motor stator to be reduced to 12 utmost points, and the ratio of the number of stator slots that makes motor stator and the groove number of the rotor of rotor is 0.3～0.7, so the present invention can avoid dead point and concave point on the motor torque speed characteristic, reduce the vibrations and the noise of motor; In addition, the present invention is designed to double groove structure in order to make full use of the core stamping area with grooved, groove area and tooth portion area have been increased, effectively raise the iron core service efficiency, in addition, grooved adopts circular arc excessive, uniform Design stator and rotor tooth portion and yoke portion width, stator and rotor tooth portion and yoke portion magnetic flux distribution are reasonable, relative equilibrium helps reducing the iron loss of punching, reduces that the motor feels hot, reduce winding temperature rise, fall low magnetic density and motor noise.The present invention is that a kind of design is ingenious, function admirable, 12 convenient and practical capacitor-run asynchronous motor with six-pole outer rotors.
Description of drawings
Fig. 1 is the structural representation of motor stator among the present invention;
Fig. 2 is the structural representation of rotor among the present invention.
Among the figure: D1 represents the motor stator external diameter, and D2 represents the rotor external diameter, and T1 represents stator external tooth facewidth size, and d1 represents stator internal tooth facewidth size, and T2 represents the rotor facewidth, and d2 represents rotor yoke portion height.
Embodiment
Embodiment:
Structural representation of the present invention as shown in Figure 1, 2, include the motor stator 1 that is installed on the motor shaft and be sleeved on the rotor 2 in motor stator 1 outside, the groove number of the stator slot 11 of motor stator 1 is 24, wherein main winding groove number and pair slot for winding number are each 12, and the number of stator slots of motor stator 1 is 0.30.7 with the ratio of the groove number of the rotor 21 of rotor 2.In the present embodiment, the number of stator slots of motor stator 1 is 0.5 with the ratio of the groove number of the rotor 21 of rotor 2.
The ratio 0.68～0.95 of the stator outer diameter D1 of above-mentioned motor stator 1 and the rotor diameter D2 of rotor 2.In the present embodiment, the ratio 0.75 of the stator outer diameter D1 of motor stator 1 and the rotor diameter D2 of rotor 2.
The stator external tooth facewidth size T1 of above-mentioned motor stator 1 and the ratio 0.8～1.7 of stator internal tooth facewidth size d1.In the present embodiment, the stator external tooth facewidth size T1 of motor stator 1 and the ratio 1.2 of stator internal tooth facewidth size d1.
The ratio 0.3～0.9 of the height d2 of the rotor facewidth T2 of above-mentioned rotor 2 and yoke portion.In the present embodiment, the ratio 0.55 of the height d2 of the rotor facewidth T2 of rotor 2 and yoke portion.
The grooved of the stator slot 11 of above-mentioned motor stator 1 adopts double groove structure.
In addition, in the double groove of above-mentioned motor stator 1, be reference with the stator cylindrical, it is main winding that shallow slot embeds winding, deep trouth embeds winding for paying winding.The double groove of the stator slot 11 of above-mentioned motor stator 1 is other shapes such as pears type groove or flat-bottom slot; The grooved of above-mentioned rotor 21 is the level land groove.
In addition, be provided with stator punching tooth 3 between the adjacent slot of the stator slot 11 of above-mentioned motor stator 1.Be provided with rotor punching tooth 4 between the adjacent slot of the rotor 21 of above-mentioned rotor 2.In the present embodiment, said stator punching tooth 3 and rotor punching tooth 4 are parallel teeth.
Claims (9)
1. capacitor-run asynchronous motor with six-pole outer rotors, include the motor stator (1) that is installed on the motor shaft and be sleeved on the rotor (2) in motor stator (1) outside, the groove number of the stator slot (11) of motor stator (1) is 24, main winding groove number and pay each 12 of slot for winding numbers wherein is characterized in that the ratio of groove number of the rotor (21) of the groove number of stator slot (11) of motor stator (1) and rotor (2) is 0.3～0.7.
2. 12 capacitor-run asynchronous motor with six-pole outer rotors according to claim 1 is characterized in that the ratio 0.68～0.95 of the rotor diameter D2 of the stator outer diameter D1 of above-mentioned motor stator (1) and rotor (2).
3. 12 capacitor-run asynchronous motor with six-pole outer rotors according to claim 2 is characterized in that the stator external tooth facewidth size T1 of above-mentioned motor stator (1) and the ratio 0.8～1.7 of stator internal tooth facewidth size d1.
4. 12 capacitor-run asynchronous motor with six-pole outer rotors according to claim 3 is characterized in that the rotor facewidth T2 of above-mentioned rotor (2) and the ratio 0.3～0.9 of the height d2 of yoke portion.
5. according to each described 12 capacitor-run asynchronous motor with six-pole outer rotors of claim 1 to 4, it is characterized in that the grooved of the stator slot (11) of above-mentioned motor stator (1) adopts double groove structure.
6. 12 capacitor-run asynchronous motor with six-pole outer rotors according to claim 5 is characterized in that being reference with the stator cylindrical in the double groove of above-mentioned motor stator (1), and it is main winding that shallow slot embeds winding, and deep trouth embeds winding for paying winding.
7. 12 capacitor-run asynchronous motor with six-pole outer rotors according to claim 6 is characterized in that the double groove of the stator slot (11) of above-mentioned motor stator (1) is pears type groove; The grooved of above-mentioned rotor (21) is the level land groove.
8. 12 capacitor-run asynchronous motor with six-pole outer rotors according to claim 7 it is characterized in that being provided with stator punching tooth (3) between the adjacent slot of stator slot (11) of above-mentioned motor stator (1), and stator punching tooth (3) are parallel teeth.
9. 12 capacitor-run asynchronous motor with six-pole outer rotors according to claim 8 is characterized in that being provided with rotor punching tooth (4) between the adjacent slot of rotor (21) of above-mentioned rotor (2), and rotor punching tooth (4) is parallel teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910041041A CN101728910A (en) | 2009-07-10 | 2009-07-10 | 12-pole outer rotor capacitor running asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910041041A CN101728910A (en) | 2009-07-10 | 2009-07-10 | 12-pole outer rotor capacitor running asynchronous motor |
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| Publication Number | Publication Date |
|---|---|
| CN101728910A true CN101728910A (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910041041A Pending CN101728910A (en) | 2009-07-10 | 2009-07-10 | 12-pole outer rotor capacitor running asynchronous motor |
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| Country | Link |
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| CN (1) | CN101728910A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560636A (en) * | 2013-11-25 | 2014-02-05 | 上海特波电机有限公司 | Method for reducing torque ripple of permanent magnet motor used for electric automobile |
| CN104009559A (en) * | 2013-02-22 | 2014-08-27 | 苑本章 | Stator structure of external-rotor AC motor |
| CN104854775A (en) * | 2012-12-10 | 2015-08-19 | 罗伯特·博世有限公司 | Asynchronous machine with optimized distribution of electrical losses between stator and rotor |
| EP3745560A4 (en) * | 2018-03-16 | 2021-04-14 | Gree Electric Appliances, Inc. of Zhuhai | Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric vehicle |
-
2009
- 2009-07-10 CN CN200910041041A patent/CN101728910A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104854775A (en) * | 2012-12-10 | 2015-08-19 | 罗伯特·博世有限公司 | Asynchronous machine with optimized distribution of electrical losses between stator and rotor |
| CN104854775B (en) * | 2012-12-10 | 2017-08-15 | 罗伯特·博世有限公司 | The asynchronous machine of electric loss most preferably between distribution stator and rotor |
| US9973050B2 (en) | 2012-12-10 | 2018-05-15 | Robert Bosch Gmbh | Asynchronous machine with optimized distribution of electrical losses between stator and rotor |
| CN104009559A (en) * | 2013-02-22 | 2014-08-27 | 苑本章 | Stator structure of external-rotor AC motor |
| CN104009559B (en) * | 2013-02-22 | 2016-12-28 | 余社洪 | A kind of stator structure of outer rotor AC motor |
| CN103560636A (en) * | 2013-11-25 | 2014-02-05 | 上海特波电机有限公司 | Method for reducing torque ripple of permanent magnet motor used for electric automobile |
| EP3745560A4 (en) * | 2018-03-16 | 2021-04-14 | Gree Electric Appliances, Inc. of Zhuhai | Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric vehicle |
| US11689071B2 (en) | 2018-03-16 | 2023-06-27 | Gree Electric Appliances, Inc. Of Zhuhai | Rotor structure, permanent magnet auxiliary synchronous reluctance motor, and electric vehicle |
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Open date: 20100609 |