CN214479891U - Iron core structure for ceiling fan motor - Google Patents
Iron core structure for ceiling fan motor Download PDFInfo
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- CN214479891U CN214479891U CN202120756401.5U CN202120756401U CN214479891U CN 214479891 U CN214479891 U CN 214479891U CN 202120756401 U CN202120756401 U CN 202120756401U CN 214479891 U CN214479891 U CN 214479891U
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- iron core
- core structure
- ceiling fan
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Abstract
The utility model provides an iron core structure that ceiling fan motor used, including matched with stator and rotor, the rotor is equipped with 2Pr individual rotor magnetic poles, and the stator is equipped with Ns individual stator tooth portion, evenly is equipped with at least one little lug on every stator tooth portion, and the cooperation has a coil to produce a Ps individual space magnetic field between the stator tooth portion. The magnetic field distribution can be changed by arranging the small lugs, so that the performance of the motor is remarkably improved, and the weight of the stator and the rotor can be reduced under the condition of keeping the same performance of the motor, so that the overall weight of the motor is reduced.
Description
Technical Field
The utility model relates to the technical field of motors, specifically be an iron core structure that ceiling fan motor was used.
Background
The motor is one of the most important electrical devices in modern society, plays an important role in converting mechanical energy into electric energy, is widely applied to various aspects of national economy, and is indispensable energy conversion equipment in modern society.
A typical motor includes a core structure including a rotor portion and a stator portion, wherein the rotor includes rotor poles; the stator part comprises a stator tooth part, and after the stator tooth part is sleeved with a coil, a space rotating magnetic field can be generated after the stator tooth part is electrified.
SUMMERY OF THE UTILITY MODEL
To the problem pointed out in the background art, the utility model provides an iron core structure that ceiling fan motor was used.
The technical scheme of the utility model is realized like this:
the utility model provides an iron core structure that ceiling fan motor was used, includes matched with stator and rotor, its characterized in that:
the stator is provided with stator teeth, the total number of the stator teeth is Ns, and Ns is an integer;
each stator tooth part is provided with at least one small lug, and the total number of the small lugs is Nt, wherein Nt is an integer;
the rotor is evenly equipped with the rotor magnetic pole, the total number of rotor magnetic pole is 2 times Pr, wherein Pr is the integer, satisfies (Nt-Pr) and is greater than or equal to 1, and 2 · (Nt-Pr) ≠ Ns.
The utility model discloses further set up to: and a winding is arranged between the stator tooth parts, the winding is electrified to generate a rotating space magnetic field, the number of magnetic poles of the space magnetic field is 2 times Ps, and Ps is an integer.
The utility model discloses further set up to: the number of magnetic poles of the space magnetic field is more than or equal to Ps (Nt-Pr).
The utility model discloses further set up to: the number of the magnetic poles of the space magnetic field meets the condition that Ps is less than or equal to (Nt-Pr).
The utility model discloses further set up to: the rotor is fitted to the outer periphery of the stator.
The utility model discloses further set up to: the stator is matched with the periphery of the rotor.
To sum up, the beneficial effects of the utility model are that:
the magnetic field distribution can be changed by arranging the small lugs, so that the performance of the motor is remarkably improved, and the weight of the stator and the rotor can be reduced under the condition of keeping the same performance of the motor, so that the overall weight of the motor is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the stator of the present invention being an inner stator;
FIG. 2 is a schematic view of a part of the structure of the middle and inner stator of the present invention;
fig. 3 is a schematic structural view of the outer stator as the middle stator of the present invention;
fig. 4 is a schematic view of a partial structure of the outer stator of the present invention;
fig. 5 is a schematic structural diagram of a stator in the prior art.
Reference numerals: 1. a stator; 2. a rotor; 3. a rotor magnetic pole; 4. a stator tooth portion; 5. and (5) a small bump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention is described below with reference to fig. 1-5:
an iron core structure for a ceiling fan motor comprises a stator 1 and a rotor 2 which are matched, wherein the stator 1 can be used as an inner stator or an outer stator. The stator 1 is provided with stator teeth 4, the total number of the stator teeth 4 being Ns, where Ns is an integer. Each stator tooth portion 4 is provided with at least one small bump 5, the total number of the small bumps 5 is Nt, where Nt is an integer, it should be noted that, when the total number of the small bumps 5 is ensured to be unchanged, the number of the small bumps 5 on each stator tooth portion 4 may be different, for example, there are 2 small bumps 5 on some teeth, and there are 1 small bumps 5 on some teeth at the same time. And a winding is arranged between the stator tooth parts 4, the winding is electrified to generate a rotating space magnetic field, the number of the magnetic poles of the space magnetic field is 2 times Ps, and Ps is an integer.
The rotor 2 is uniformly provided with rotor magnetic poles 3, the total number of the rotor magnetic poles 3 is 2 times of Pr, wherein Pr is an integer, namely the logarithm of the rotor magnetic poles 3 is Pr, and the condition that (Nt-Pr) is more than or equal to 1 and 2 · (Nt-Pr) is not equal to Ns is met.
When satisfying the sum of Pr and Ps and having the numerical relation with Nt, this iron core structure can the steady operation the utility model discloses in, when Nt is Pr + Ps, this iron core structure can the steady operation. As shown in fig. 5, the stator structure is a structure common to the prior art stator.
Example 1
The rotor 2 is provided with 36 rotor poles 3, namely, 18 pairs of rotor pole pairs, and Pr is 18;
the stator 1 has 21 stator teeth, and cooperates with the winding to produce 6 stator poles 4, i.e. 3 pairs of stator poles, Ps ═ 3;
therefore, when Nt + Ps is 21, 1 small projection 5 is provided on each stator tooth.
Example 2
The rotor 2 is provided with 112 rotor magnetic poles 3, namely 56 pairs of rotor magnetic poles, and Pr is 56;
the stator 1 has 21 stator teeth, and cooperates with the winding to produce 14 stator poles 4, i.e. there are 7 pairs of stator poles, Ps ═ 7;
therefore, when Nt + Ps is 63, 3 small projections 5 are provided on each stator tooth.
The magnetic field distribution can be changed by arranging the small lugs, so that the performance of the motor is remarkably improved, and the weight of the stator and the rotor can be reduced under the condition of keeping the same performance of the motor, so that the overall weight of the motor is reduced.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an iron core structure that ceiling fan motor was used, includes matched with stator (1) and rotor (2), its characterized in that:
the stator (1) is provided with stator teeth (4), the total number of the stator teeth (4) is Ns, wherein Ns is an integer;
each stator tooth part (4) is provided with at least one small lug (5), and the total number of the small lugs (5) is Nt, wherein Nt is an integer;
the rotor (2) is evenly equipped with rotor magnetic pole (3), the total number of rotor magnetic pole (3) is 2 times Pr, wherein Pr is the integer, satisfies (Nt-Pr) and is greater than or equal to 1, and 2 · (Nt-Pr) ≠ Ns.
2. The iron core structure for the ceiling fan motor of claim 1, wherein: and a winding is arranged between the stator tooth parts (4), the winding is electrified to generate a rotating space magnetic field, the number of magnetic poles of the space magnetic field is 2 times Ps, and Ps is an integer.
3. The iron core structure for the ceiling fan motor of claim 2, wherein: the number of magnetic poles of the space magnetic field is more than or equal to Ps (Nt-Pr).
4. The iron core structure for the ceiling fan motor of claim 2, wherein: the number of the magnetic poles of the space magnetic field meets the condition that Ps is less than or equal to (Nt-Pr).
5. The iron core structure for the ceiling fan motor of claim 1, wherein: the periphery of the stator (1) is matched with the rotor (2).
6. The iron core structure for the ceiling fan motor of claim 1, wherein: the periphery of the rotor (2) is matched with the stator (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120756401.5U CN214479891U (en) | 2021-04-13 | 2021-04-13 | Iron core structure for ceiling fan motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120756401.5U CN214479891U (en) | 2021-04-13 | 2021-04-13 | Iron core structure for ceiling fan motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214479891U true CN214479891U (en) | 2021-10-22 |
Family
ID=78178310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120756401.5U Active CN214479891U (en) | 2021-04-13 | 2021-04-13 | Iron core structure for ceiling fan motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214479891U (en) |
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2021
- 2021-04-13 CN CN202120756401.5U patent/CN214479891U/en active Active
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