CN211959029U - Permanent magnet synchronous direct drive motor and industrial fan - Google Patents
Permanent magnet synchronous direct drive motor and industrial fan Download PDFInfo
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- CN211959029U CN211959029U CN202020890277.7U CN202020890277U CN211959029U CN 211959029 U CN211959029 U CN 211959029U CN 202020890277 U CN202020890277 U CN 202020890277U CN 211959029 U CN211959029 U CN 211959029U
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Abstract
The utility model discloses a permanent magnetism directly drives motor and industrial fan in step relates to motor technical field, including the rotor shell, the inside magnet steel assembly that is fixed with of rotor shell, rotor shell upper end is fixed with the upper end cover, rotor shell lower extreme is fixed with the lower extreme cover, bearing one is equipped with at upper end cover lower extreme center, bearing two is equipped with at lower extreme cover upper end center, the inside fixed axle that is equipped with of rotor shell, the fixed axle all is fixed in the inner circle of bearing one and bearing two, be fixed with stator core on the fixed axle, the last winding that is equipped with of stator core, stator core cooperatees with magnet steel assembly. The utility model has high output efficiency and obvious electricity saving. Meanwhile, the direct-drive design is adopted, the starting torque is large, and a speed reducer is not needed.
Description
Technical Field
The utility model relates to the technical field of electric machine, especially, relate to a permanent magnetism directly drives motor and industrial fan in step.
Background
The servo motor is applied to various industrial control fields such as machine tools, textile equipment, printing equipment, robots, automatic production lines and the like due to the characteristics of high precision, wide speed regulation range, stable operation, low noise, strong overload resistance, quick response and the like.
In the field of industrial fans, the motors are mostly traditional three-phase asynchronous motors, speed reduction and torque increase are realized by a speed reducing mechanism, and speed regulation is realized by a frequency converter. The system has complex structure, large volume, heavy weight, large noise and high temperature; the power density is low, the system efficiency is low, and the market share is gradually reduced.
With the gradual increase of the degree of modern industrial automation, the application of servo motors has become the mainstream of industrial control and has a considerable position in the production of modern industrial equipment. At present, motors for most industrial ceiling fans in the market are asynchronous motor speed reducers, the system is large in size, heavy in weight, inconvenient to install, large in occupied space, low in reliability, slow to start, high in noise, narrow in frequency modulation (25-50Hz), and oil leakage or oil leakage is easy to occur to the speed reducers, so that pollution is caused. The maintenance and the replacement are extremely inconvenient; the rotating speed is unstable, which causes the wind pressure to be unstable and causes discomfort to human body.
SUMMERY OF THE UTILITY MODEL
The utility model provides a permanent magnetism directly drives motor and industrial fan in step.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a permanent magnetism directly drives motor in step, includes the rotor shell, and rotor shell inside is fixed with the magnet steel component, the rotor shell upper end is fixed with the upper end cover, the rotor shell lower extreme is fixed with the lower end cover, upper end cover lower extreme center is equipped with bearing one, lower extreme cover upper end center is equipped with bearing two, the inside fixed axle that is equipped with of rotor shell, the fixed axle is all fixed in the inner circle of bearing one and bearing two, be fixed with stator core on the fixed axle, the last winding that is equipped with of stator core, stator core cooperatees with the magnet steel component.
Furthermore, a plurality of heat dissipation holes are formed in the lower end of the side face of the rotor shell.
Furthermore, a plurality of the heat dissipation holes are circumferentially and equidistantly arranged.
Further, the upper end cover comprises a first plate body, a first mounting hole is formed in the center of the first plate body, a plurality of first fixing holes used for connecting the rotor shell are formed in the edge of one end face of the first plate body, a first mounting sleeve is fixed to the outer portion of the first mounting hole, and a first mounting groove used for mounting a first bearing is formed in the inner portion of the first mounting sleeve.
Further, the depth of the first mounting groove is larger than that of the first mounting sleeve.
A plurality of fixing hole groups for fixing the fan blades are arranged on one end face of the plate body.
Further, each fixing hole group comprises a second fixing hole and two third fixing holes.
Furthermore, the lower end cover comprises a second plate body, a second mounting hole is formed in the center of the second plate body, and a second mounting sleeve is arranged in the center of the upper end of the second plate body.
Further, the fixed axle is including the axis body one that is used for fixing, the axis body two that is used for installing bearing one, the axis body three that is used for installing stator core and the axis body four that is used for installing bearing two, axis body one, axis body two, axis body three and axis body four set gradually.
Further, stator core includes body one, body one is piled up by a plurality of silicon steel sheet and is formed, is equipped with a plurality of installation tooth on every silicon steel sheet's the outer circumference, is equipped with a space groove between per two installation tooth, and every installation tooth front end is equipped with a stopper, and the silicon steel sheet center is equipped with centre bore two.
Further, the axial width of the limiting block is equal to the axial width of the mounting teeth.
Further, the number of the mounting teeth on each silicon steel sheet is one, and the mounting teeth are overlapped with each other when stacked.
Further, the magnetic steel component comprises a mounting part which is of a cylindrical structure, a plurality of mounting grooves are formed in the inner wall of the mounting part, and a permanent magnet is mounted in each mounting groove.
Further, the mounting groove extends in the axial direction.
The industrial fan is characterized in that the permanent magnet synchronous direct drive motor and the fan blades are applied, the fan blades are fixed on a fixed hole group on the upper end face of an upper end cover, and the fan blades fixed on the upper end cover are arranged at equal angles.
The utility model discloses have following useful part: the utility model discloses output efficiency is high, and the economize on electricity is obvious. Meanwhile, the direct-drive design is adopted, the starting torque is large, and a speed reducer is not needed. The variable frequency speed regulation, the user can carry out speed regulation according to different flabellum sizes. The ultra-silent design meets the requirements of different application places. The production is standardized, the product consistency is high, and the frequency conversion debugging is simple. The utility model discloses a plurality of louvres on the rotor shell make motor radiating efficiency higher.
Drawings
Fig. 1 is a schematic perspective view of the motor of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention shown in FIG. 1;
fig. 3 is a schematic perspective view of the upper end cap of fig. 1 according to the present invention;
fig. 4 is a schematic perspective view of the upper end cap of fig. 1 according to the present invention;
fig. 5 is a schematic perspective view of the lower end cap of fig. 1 according to the present invention;
FIG. 6 is a schematic perspective view of the fixing shaft of FIG. 1 according to the present invention;
fig. 7 is a schematic top view of the stator core of fig. 2 according to the present invention;
fig. 8 is a schematic perspective view of the magnetic steel assembly shown in fig. 2 according to the present invention;
fig. 9 is a schematic top view of the structure of fig. 8 according to the present invention;
fig. 10 is a schematic perspective view of the mounting member of fig. 8 according to the present invention.
In the figure: 1 rotor shell, 101 louvres, 2 upper end cover, 201 plate body one, 202 fixed orifices one, 203 fixed orifices two, 204 fixed orifices three, 205 mounting hole one, 206 installation cover one, 207 mounting groove one, 3 lower end cover, 301 plate body two, 302 mounting hole two, 303 installation cover two, 4 fixed axles, 401 axis body one, 402 axis body two, 403 axis body three, 404 axis body four, 5 stator core, 501 body one, 502 installation tooth, 503 stopper, 504 spacing groove, 6 magnetic steel component, 601 installed part, 60101 mounting groove, 602 permanent magnet, 7 bearing one, 8 bearing two.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-2, a permanent magnet synchronous direct drive motor comprises a rotor shell 1, a magnetic steel assembly 6 is fixed inside the rotor shell 1, an upper end cover 2 is fixed at the upper end of the rotor shell 1, a lower end cover 3 is fixed at the lower end of the rotor shell 1, a first bearing 7 is installed at the center of the lower end of the upper end cover 2, a second bearing 8 is installed at the center of the upper end of the lower end cover 3, a fixed shaft 4 is installed inside the rotor shell 1, the fixed shaft 4 is fixed in inner rings of the first bearing 7 and the second bearing 8, a stator core 5 is fixed on the fixed shaft 4, a winding is arranged on the stator core 5, and the stator core 5 is matched with the magnetic steel assembly 6. The lower end of the side surface of the rotor shell 1 is provided with a plurality of heat dissipation holes 101. A plurality of the heat dissipation holes 101 are arranged in a circumferential equidistant manner.
Referring to fig. 3 to 4, the upper end cover 2 includes a first plate body 201, a first mounting hole 205 is formed in the center of the first plate body 201, a plurality of first fixing holes 202 for connecting the rotor casing 1 are formed in the edge of the end face of the first plate body 201, a first mounting sleeve 206 is fixed outside the first mounting hole 205, and first mounting grooves 60101 and 207 for mounting the first bearing 7 are formed inside the first mounting sleeve 206. The depth of the mounting grooves 60101-207 is greater than that of the mounting sleeve 206.
The end face of the first 201 of the plate body is provided with a plurality of fixing hole groups for fixing the fan blades. Each of the fixing hole groups includes a second fixing hole 203 and two third fixing holes 204.
Referring to fig. 5, the lower end cover 3 includes a second plate body 301, a second mounting hole 302 is formed in the center of the second plate body 301, and a second mounting sleeve 303 is formed in the center of the upper end of the second plate body 301.
Referring to fig. 6, the fixed shaft 4 includes a first shaft body 401 for fixing, a second shaft body 402 for mounting a first bearing 7, a third shaft body 403 for mounting the stator core 5, and a fourth shaft body 404 for mounting a second bearing 8, and the first shaft body 401, the second shaft body 402, the third shaft body 403, and the fourth shaft body 404 are sequentially arranged. When in use, the first shaft body 401 of the fixed shaft 4 is hung on a roof.
Referring to fig. 7, the stator core 5 includes a first body 501, the first body 501 is formed by stacking a plurality of silicon steel sheets, a plurality of mounting teeth 502 are arranged on the outer circumference of each silicon steel sheet, a spacing groove 504 is arranged between every two mounting teeth 502, a limiting block 503 is arranged at the front end of each mounting tooth 502, and a second central hole is formed in the center of each silicon steel sheet. The axial width of the stop block 503 is equal to the axial width of the mounting tooth 502. The number of the mounting teeth 502 on each silicon steel sheet is one, and each mounting tooth 502 is overlapped with each other when stacked.
Referring to fig. 8-9, the magnetic steel assembly 6 includes a mounting member 601, where the mounting member 601 is a cylindrical structure, a plurality of mounting grooves 60101 are disposed on an inner wall of the mounting member 601, and a permanent magnet 602 is installed in each mounting groove 60101. The mounting groove 60101 extends in the axial direction.
Example 2:
an industrial fan is characterized in that a permanent magnet synchronous direct drive motor and fan blades are applied, the fan blades are fixed on a fixed hole group on the upper end face of an upper end cover 2, and the fan blades fixed on the upper end cover 2 are arranged at equal angles.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a synchronous direct drive motor of permanent magnetism which characterized in that: including rotor shell (1), rotor shell (1) inside is fixed with magnetic steel components (6), rotor shell (1) upper end is fixed with upper end cover (2), rotor shell (1) lower extreme is fixed with lower end cover (3), bearing (7) are equipped with at upper end cover (2) lower extreme center, bearing two (8) are equipped with at lower end cover (3) upper end center, rotor shell (1) inside is equipped with fixed axle (4), fixed axle (4) are all fixed in the inner circle of bearing (7) and bearing two (8), be fixed with stator core (5) on fixed axle (4), be equipped with the winding on stator core (5), stator core (5) cooperate with magnetic steel components (6).
2. The permanent magnet synchronous direct drive motor according to claim 1, wherein the lower end of the side surface of the rotor shell (1) is provided with a plurality of heat dissipation holes (101).
3. The permanent magnet synchronous direct-drive motor according to claim 1, wherein the upper end cover (2) comprises a first plate body (201), a first mounting hole (205) is formed in the center of the first plate body (201), a plurality of first fixing holes (202) used for connecting the rotor shell (1) are formed in the edge of the end face of the first plate body (201), a first mounting sleeve (206) is fixed to the outside of the first mounting hole (205), and a first mounting groove (60101) and a first mounting groove (207) used for mounting the first bearing (7) are formed in the first mounting sleeve (206).
4. The permanent magnet synchronous direct drive motor as claimed in claim 3, wherein a plurality of fixing hole groups for fixing fan blades are arranged on the end surface of the first plate body (201).
5. The permanent magnet synchronous direct drive motor according to claim 4, wherein each of the fixing hole groups comprises a second fixing hole (203) and two third fixing holes (204).
6. The permanent magnet synchronous direct-drive motor as claimed in claim 1, wherein the lower end cover (3) comprises a second plate body (301), a second mounting hole (302) is formed in the center of the second plate body (301), and a second mounting sleeve (303) is formed in the center of the upper end of the second plate body (301).
7. The permanent magnet synchronous direct drive motor according to claim 1, wherein the fixed shaft (4) comprises a first shaft body (401) for fixing, a second shaft body (402) for mounting a first bearing (7), a third shaft body (403) for mounting a stator core (5) and a fourth shaft body (404) for mounting a second bearing (8), and the first shaft body (401), the second shaft body (402), the third shaft body (403) and the fourth shaft body (404) are arranged in sequence.
8. The permanent magnet synchronous direct-drive motor according to claim 1, wherein the stator core (5) comprises a first body (501), the first body (501) is formed by stacking a plurality of silicon steel sheets, a plurality of mounting teeth (502) are arranged on the outer circumference of each silicon steel sheet, a spacing groove (504) is arranged between every two mounting teeth (502), a limiting block (503) is arranged at the front end of each mounting tooth (502), and a second central hole is formed in the center of each silicon steel sheet.
9. The permanent magnet synchronous direct-drive motor according to claim 1, wherein the magnetic steel assembly (6) comprises a mounting part (601), the mounting part (601) is of a cylindrical structure, a plurality of mounting grooves (60101) are formed in the inner wall of the mounting part (601), and each mounting groove (60101) is internally provided with one permanent magnet (602).
10. An industrial fan, characterized in that: the permanent magnet synchronous direct drive motor and the fan blades are applied, the fan blades are fixed on a fixed hole group on the upper end surface of the upper end cover (2), and the fan blades fixed on the upper end cover (2) are arranged at equal angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020890277.7U CN211959029U (en) | 2020-05-25 | 2020-05-25 | Permanent magnet synchronous direct drive motor and industrial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020890277.7U CN211959029U (en) | 2020-05-25 | 2020-05-25 | Permanent magnet synchronous direct drive motor and industrial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211959029U true CN211959029U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020890277.7U Active CN211959029U (en) | 2020-05-25 | 2020-05-25 | Permanent magnet synchronous direct drive motor and industrial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211959029U (en) |
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2020
- 2020-05-25 CN CN202020890277.7U patent/CN211959029U/en active Active
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