CN214958953U - Rotor structure in efficient motor - Google Patents
Rotor structure in efficient motor Download PDFInfo
- Publication number
- CN214958953U CN214958953U CN202121239488.5U CN202121239488U CN214958953U CN 214958953 U CN214958953 U CN 214958953U CN 202121239488 U CN202121239488 U CN 202121239488U CN 214958953 U CN214958953 U CN 214958953U
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- China
- Prior art keywords
- rotor
- permanent magnet
- heat dissipation
- mounting groove
- rotor core
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 40
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 15
- 239000000696 magnetic material Substances 0.000 claims abstract description 8
- 241000883990 Flabellum Species 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 4
- 230000005347 demagnetization Effects 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002035 prolonged Effects 0.000 description 3
- 239000008358 core component Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002427 irreversible Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model discloses a rotor structure in efficient motor, which comprises a rotating shaft, pivot one end is provided with the bearing, bearing one side is provided with the rotor fan, rotor fan surface one side is provided with the heat dissipation flabellum, rotor fan one side is provided with the rotor core, a rotor core side surface runs through and is provided with the shaft hole, the shaft hole outside begins to have the permanent magnet mounting groove, be provided with the permanent magnet in the permanent magnet mounting groove, the rotor core outside is provided with the recess, pivot middle part surface is provided with separates magnetic material, it is provided with the heat dissipation through-hole to separate magnetic material one side, the bearing quantity is provided with two, the bearing is the symmetry setting, the rotor core is for forming along the annular silicon steel sheet that the axial superposes in proper order, annular silicon steel sheet is provided with a plurality of; this rotor structure in efficient motor is through setting up annular silicon steel sheet, magnetism isolating material, heat dissipation through-hole, rotor fan, recess, can reach the radiating efficiency who effectively improves the motor, improve life, and prevent the emergence of demagnetization phenomenon.
Description
Technical Field
The utility model relates to the technical field of electric machines, specifically be a rotor structure in efficient motor.
Background
Permanent magnet machines are generally constructed of a stator, a rotor, and end caps, the stator being laminated with laminations to reduce iron losses during operation of the motor, and having a three-phase ac winding, referred to as an armature, mounted therein. The rotor may be made in solid form or may be pressed from laminations which carry the permanent magnet material. According to different positions of permanent magnet materials on a motor rotor, the permanent magnet synchronous motor can be divided into a protruding type structure and a built-in type structure. The permanent magnet motor has the characteristics of high power, high efficiency, small loss, quick dynamic response and the like. The rotor serves as a core component of the permanent magnet motor.
The core component as permanent magnet motor of current electric motor rotor, the rotor is at rotatory in-process, the air current enters into rotor core outer wall easily, the rotation to the rotor produces the resistance, simultaneously to the flow of the inside air current of motor form the disturbance, influence the circulation of air current, make the inside heat dissipation of motor slow, and can produce the eddy current loss under higher electrical frequency, high frequency eddy current loss can arouse the rotor to generate heat, if can't in time distribute away the heat, thereby it arouses the permanent magnet to take place irreversible demagnetization phenomenon to lead to the rotor high temperature, influence the normal use of equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotor structure in efficient motor to the weak point of prior art to reach the purpose of solving the problem among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rotor structure in efficient motor, includes the pivot, pivot one end is provided with the bearing, bearing one side is provided with the rotor fan, rotor fan surface one side is provided with the heat dissipation flabellum, rotor fan one side is provided with rotor core, rotor core side surface runs through and is provided with the shaft hole, the shaft hole outside begins to have the permanent magnet mounting groove, be provided with the permanent magnet in the permanent magnet mounting groove, the rotor core outside is provided with the recess, pivot middle part surface is provided with separates magnetic material, it is provided with the heat dissipation through-hole to separate magnetic material one side.
As an optimal technical scheme of the utility model, bearing quantity is provided with two, the bearing is the symmetry and sets up.
As the utility model discloses an optimal technical scheme, rotor core is for forming along axial superimposed annular silicon steel sheet in proper order, annular silicon steel sheet is provided with a plurality of.
As the utility model discloses a preferred technical scheme, rotor fan quantity is provided with two sets ofly, rotor fan is the symmetry setting, the cooling fan blade is provided with a plurality of, the cooling fan blade is the annular array and distributes, the cooling fan blade is the slant setting, the recess is provided with a plurality of, the recess corresponds the setting in cooling fan blade one side.
As the utility model discloses an optimal technical scheme, the pivot is through key-type connection fixed mounting rotor fan and rotor core.
As the utility model discloses an optimized technical scheme, the heat dissipation through-hole is provided with a plurality of, the heat dissipation through-hole is the ring array and distributes.
As the utility model discloses an optimal technical scheme, the permanent magnet passes through permanent magnet mounting groove and rotor core fixed connection, the permanent magnet mounting groove is provided with four groups, the permanent magnet mounting groove is the annular array and distributes.
Compared with the prior art, the utility model provides a rotor structure in efficient motor possesses following beneficial effect:
according to the rotor structure in the high-efficiency motor, the rotor core is formed by the annular silicon steel sheets which are sequentially overlapped along the axial direction, and the annular silicon steel sheets are provided with a plurality of annular silicon steel sheets, so that a better magnetic medium is provided for a magnetic field generated by the permanent magnet, the permanent magnet forms an even magnetic field, heat dissipation of the permanent magnet during high-speed rotation is facilitated, the temperature of the rotor is reduced, and the service life of the permanent magnet is prolonged; the rotor fans are symmetrically arranged, the radiating fan blades are arranged in a plurality of annular arrays, the radiating fan blades are obliquely arranged, the grooves are correspondingly arranged on one sides of the radiating fan blades, and air flow can smoothly flow along the surface of the rotor core by matching the rotor fans and the grooves, so that heat is sufficiently taken away, and the radiating performance is ensured; the rotating shaft is fixedly provided with the rotor fan and the rotor core through key connection, so that the structural connection strength is ensured; the heat dissipation through holes are distributed in an annular array, so that heat inside the rotor core can be effectively led out, the heat dissipation effect of the device is improved, and the situation of demagnetization of the permanent magnet is prevented; the permanent magnet passes through permanent magnet mounting groove and rotor core fixed connection, the effectual magnetic leakage phenomenon that reduces the permanent magnet.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a schematic diagram of the cross-cutting structure of the present invention;
fig. 4 is a schematic view of the vertical cutting structure of the present invention.
In the figure: 1. a rotating shaft; 2. a bearing; 3. a rotor fan; 4. a heat dissipation fan blade; 5. a rotor core; 6. a shaft hole; 7. a permanent magnet mounting groove; 8. a permanent magnet; 9. a groove; 10. a magnetic barrier material; 11. and the heat dissipation through hole.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-4, in this embodiment: the utility model provides a rotor structure in efficient motor, including pivot 1, 1 one end in pivot is provided with bearing 2, 2 one sides in bearing are provided with rotor fan 3, 3 surperficial one sides in rotor fan are provided with heat dissipation flabellum 4, 3 one sides in rotor fan are provided with rotor core 5, 5 side surfaces in rotor core run through and are provided with shaft hole 6, 6 the outside in shaft hole begins to have permanent magnet mounting groove 7, be provided with permanent magnet 8 in the permanent magnet mounting groove 7, 5 the outside in rotor core is provided with recess 9, 1 middle part surface in pivot is provided with at a distance from magnetic material 10, it is provided with heat dissipation through-hole 11 to separate magnetic material 10 one side.
In the embodiment, the number of the bearings 2 is two, the bearings 2 are symmetrically arranged, and the efficiency of the rotor of the device is improved; the rotor core 5 is composed of annular silicon steel sheets which are sequentially overlapped along the axial direction, and a plurality of annular silicon steel sheets are arranged to provide a better magnetic conduction medium for a magnetic field generated by the permanent magnet 8, so that the permanent magnet 8 forms a uniform magnetic field, and meanwhile, the heat dissipation of the permanent magnet 8 during high-speed rotation is facilitated, the temperature of the rotor is reduced, and the service life of the permanent magnet is prolonged; the rotor fans 3 are symmetrically arranged, the heat dissipation fan blades 4 are arranged in a plurality of numbers, the heat dissipation fan blades 4 are distributed in an annular array, the heat dissipation fan blades 4 are obliquely arranged, the grooves 9 are arranged in a plurality of numbers, the grooves 9 are correspondingly arranged on one sides of the heat dissipation fan blades 4, and through the matching of the rotor fans 3 and the grooves 9, airflow can smoothly flow along the surface of the rotor core 5, heat is sufficiently taken away, and the heat dissipation performance is guaranteed; the rotating shaft 1 is fixedly provided with the rotor fan 3 and the rotor iron core 5 through key connection, so that the structural connection strength is ensured; the plurality of heat dissipation through holes 11 are distributed in an annular array, so that heat inside the rotor core 5 can be effectively led out, the heat dissipation effect of the device is improved, and the permanent magnet 8 is prevented from demagnetizing; permanent magnet 8 passes through permanent magnet mounting groove 7 and rotor core 5 fixed connection, and permanent magnet mounting groove 7 is provided with four groups, and permanent magnet mounting groove 7 is the annular array and distributes, and the effectual magnetic leakage phenomenon that reduces permanent magnet 8.
The utility model discloses a theory of operation and use flow: when the device is used, two bearings 2 are arranged in number, the bearings 2 are symmetrically arranged, and the efficiency of the rotor is improved; the rotor core 5 is composed of annular silicon steel sheets which are sequentially overlapped along the axial direction, and a plurality of annular silicon steel sheets are arranged to provide a better magnetic conduction medium for a magnetic field generated by the permanent magnet 8, so that the permanent magnet 8 forms a uniform magnetic field, and meanwhile, the heat dissipation of the permanent magnet 8 during high-speed rotation is facilitated, the temperature of the rotor is reduced, and the service life of the permanent magnet is prolonged; the rotor fans 3 are symmetrically arranged, the heat dissipation fan blades 4 are arranged in a plurality of numbers, the heat dissipation fan blades 4 are distributed in an annular array, the heat dissipation fan blades 4 are obliquely arranged, the grooves 9 are arranged in a plurality of numbers, the grooves 9 are correspondingly arranged on one sides of the heat dissipation fan blades 4, and through the matching of the rotor fans 3 and the grooves 9, airflow can smoothly flow along the surface of the rotor core 5, heat is sufficiently taken away, and the heat dissipation performance is guaranteed; the rotating shaft 1 is fixedly provided with the rotor fan 3 and the rotor iron core 5 through key connection, so that the structural connection strength is ensured; the plurality of heat dissipation through holes 11 are distributed in an annular array, so that heat inside the rotor core 5 can be effectively led out, the heat dissipation effect of the device is improved, and the permanent magnet 8 is prevented from demagnetizing; permanent magnet 8 passes through permanent magnet mounting groove 7 and rotor core 5 fixed connection, and permanent magnet mounting groove 7 is provided with four groups, and permanent magnet mounting groove 7 is the annular array and distributes, and the effectual magnetic leakage phenomenon that reduces permanent magnet 8.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A rotor structure in a high-efficiency motor, characterized in that: including pivot (1), pivot (1) one end is provided with bearing (2), bearing (2) one side is provided with rotor fan (3), rotor fan (3) surface one side is provided with heat dissipation flabellum (4), rotor fan (3) one side is provided with rotor core (5), rotor core (5) side surface runs through and is provided with shaft hole (6), shaft hole (6) outside begins to have permanent magnet mounting groove (7), be provided with permanent magnet (8) in permanent magnet mounting groove (7), the rotor core (5) outside is provided with recess (9), pivot (1) middle part surface is provided with separates magnetic material (10), it is provided with heat dissipation through-hole (11) to separate magnetic material (10) one side.
2. The structure of the rotor in a high-efficiency motor according to claim 1, wherein: the number of the bearings (2) is two, and the bearings (2) are symmetrically arranged.
3. The structure of the rotor in a high-efficiency motor according to claim 1, wherein: the rotor core (5) is composed of annular silicon steel sheets which are sequentially stacked along the axial direction, and the annular silicon steel sheets are provided with a plurality of annular silicon steel sheets.
4. The structure of the rotor in a high-efficiency motor according to claim 1, wherein: the number of the rotor fans (3) is two, the rotor fans (3) are symmetrically arranged, the heat dissipation fan blades (4) are provided with a plurality of bodies, the heat dissipation fan blades (4) are distributed in an annular array mode, the heat dissipation fan blades (4) are obliquely arranged, the grooves (9) are provided with a plurality of bodies, and the grooves (9) are correspondingly arranged on one side of the heat dissipation fan blades (4).
5. The structure of the rotor in a high-efficiency motor according to claim 1, wherein: the rotating shaft (1) is fixedly provided with the rotor fan (3) and the rotor iron core (5) through key connection.
6. The structure of the rotor in a high-efficiency motor according to claim 1, wherein: the heat dissipation through holes (11) are provided with a plurality of heat dissipation through holes, and the heat dissipation through holes (11) are distributed in an annular array.
7. The structure of the rotor in a high-efficiency motor according to claim 1, wherein: permanent magnet (8) pass through permanent magnet mounting groove (7) and rotor core (5) fixed connection, permanent magnet mounting groove (7) are provided with four groups, permanent magnet mounting groove (7) are the annular array and distribute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121239488.5U CN214958953U (en) | 2021-06-04 | 2021-06-04 | Rotor structure in efficient motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121239488.5U CN214958953U (en) | 2021-06-04 | 2021-06-04 | Rotor structure in efficient motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214958953U true CN214958953U (en) | 2021-11-30 |
Family
ID=79055281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121239488.5U Active CN214958953U (en) | 2021-06-04 | 2021-06-04 | Rotor structure in efficient motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214958953U (en) |
-
2021
- 2021-06-04 CN CN202121239488.5U patent/CN214958953U/en active Active
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