CN213783162U - Permanent magnet suspension high-speed motor - Google Patents
Permanent magnet suspension high-speed motor Download PDFInfo
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- CN213783162U CN213783162U CN202022558975.XU CN202022558975U CN213783162U CN 213783162 U CN213783162 U CN 213783162U CN 202022558975 U CN202022558975 U CN 202022558975U CN 213783162 U CN213783162 U CN 213783162U
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Abstract
The utility model provides a permanent magnetism suspension high speed motor, which comprises a housin, the fixed stator that sets up of casing, the stator inner circle cooperation has the rotor, rotor fixed connection pivot, the pivot includes front half axle and rear half axle, the fixed first magnetic ring that sets up on the front half axle, the fixed second magnetic ring that sets up and first magnetic ring outer lane matched with of casing, the fixed third magnetic ring that sets up on the front half axle, the fixed fourth magnetic ring that sets up and third magnetic ring side matched with of casing, the fixed fifth magnetic ring that sets up on the rear half axle, the fixed sixth magnetic ring that sets up and fifth magnetic ring outer lane matched with of casing, the end fixing of rear half axle sets up the seventh magnetic ring, the fixed eighth magnetic ring that sets up and seventh magnetic ring side matched with of casing. Replace the bearing through the permanent magnetism suspension effect and rotate the effect, eliminate the high-speed themogenesis problem of friction of rotating the in-process bearing of rotor to improve the rotational speed of rotor, increased the life of fan simultaneously.
Description
Technical Field
The utility model relates to the technical field of electric machines, specifically be permanent magnetism suspension high speed motor.
Background
An electric machine, commonly known as a motor, is an electromagnetic device that converts or transmits electric energy according to the law of electromagnetic induction. During the high-speed rotation of the rotor, the bearing assists the rotation of the rotating shaft. During high-speed rotation, the bearing generates heat due to friction, so that the rotating speed of the rotor is limited, and the service life of the fan is not long due to long-term heat generation.
SUMMERY OF THE UTILITY MODEL
To the problem pointed out in the background art, the utility model provides a permanent magnetism suspension high-speed motor.
The technical scheme of the utility model is realized like this:
permanent magnetism suspension high speed motor, including the casing, the fixed stator that sets up of casing, the cooperation of stator inner circle has rotor, its characterized in that: the rotor is fixedly connected with a rotating shaft, the rotating shaft comprises a front half shaft and a rear half shaft, a first magnetic ring is fixedly arranged on the front half shaft, a second magnetic ring matched with the outer ring of the first magnetic ring is fixedly arranged on the shell, a third magnetic ring is fixedly arranged on the front half shaft, a fourth magnetic ring matched with the side face of the third magnetic ring is fixedly arranged on the shell, a fifth magnetic ring is fixedly arranged on the rear half shaft, a sixth magnetic ring matched with the outer ring of the fifth magnetic ring is fixedly arranged on the shell, a seventh magnetic ring is fixedly arranged at the end part of the rear half shaft, and an eighth magnetic ring matched with the side face of the seventh magnetic ring is fixedly arranged on the shell.
The utility model discloses further set up to: the magnetic poles of the first magnetic ring and the second magnetic ring are matched in a repelling mode along the radial direction, the magnetic poles of the third magnetic ring and the fourth magnetic ring are matched in a repelling mode along the axial direction, the magnetic poles of the fifth magnetic ring and the sixth magnetic ring are matched in a repelling mode along the radial direction, and the magnetic poles of the seventh magnetic ring and the eighth magnetic ring are matched in a repelling mode along the axial direction.
The utility model discloses further set up to: the first magnetic ring, the second magnetic ring, the third magnetic ring, the fourth magnetic ring, the fifth magnetic ring, the sixth magnetic ring, the seventh magnetic ring and the eighth magnetic ring are all provided with permanent magnets.
The utility model discloses further set up to: the first magnetic ring and the third magnetic ring are arranged into a whole and are obliquely arranged into a first oblique magnetic ring, the first oblique magnetic ring is arranged on the front half shaft, the second magnetic ring and the fourth magnetic ring are arranged into a whole and are obliquely arranged into a second oblique magnetic ring, and the second oblique magnetic ring is arranged in the shell.
The utility model discloses further set up to: the fifth magnetic ring and the seventh magnetic ring are arranged into a whole and are obliquely arranged to be a third oblique magnetic ring, the third oblique magnetic ring is arranged on the rear half shaft, the sixth magnetic ring and the eighth magnetic ring are arranged into a whole and are obliquely arranged to be a fourth oblique magnetic ring, and the fourth oblique magnetic ring is arranged in the shell.
The utility model discloses further set up to: the front half shaft extends to an exterior of the housing.
To sum up, the beneficial effects of the utility model are that: the utility model provides a permanent magnetism suspension high speed motor replaces the bearing through the permanent magnetism suspension effect and rotates the effect, eliminates the high-speed thematic problem of friction that rotates the in-process bearing of rotor to improve the rotational speed of rotor, increased the life of fan simultaneously.
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 diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
Reference numerals: 1. a housing; 2. a stator; 3. a rotor; 4. a front half shaft; 5. a rear half shaft; 6. a first magnetic ring; 7. a second magnetic ring; 8. a third magnetic ring; 9. a fourth magnetic ring; 10. a fifth magnetic ring; 11. a sixth magnetic ring; 12. a seventh magnetic ring; 13. an eighth magnetic ring; 14. a first inclined magnetic ring; 15. a second inclined magnetic ring.
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. 1-3:
example 1:
as shown in figure 1, the permanent magnet suspension high-speed motor comprises a shell 1, wherein a stator 2 is fixedly arranged on the shell 1, a rotor 3 is matched with the inner ring of the stator 2, the rotor 3 is fixedly connected with a rotating shaft, and the rotating shaft comprises a front half shaft 4 and a rear half shaft 5. The front half shaft 4 is fixedly provided with a first magnetic ring 6, the shell 1 is fixedly provided with a second magnetic ring 7 matched with the outer ring of the first magnetic ring 6, the front half shaft 4 is fixedly provided with a third magnetic ring 8, and the shell 1 is fixedly provided with a fourth magnetic ring 9 matched with the side surface of the third magnetic ring 8. The front half-shaft 4 extends to the outside of the housing 1.
In order to balance the stress of the front half shaft 4 and enable the rotor 3 to be in a stable suspension state, a fifth magnetic ring 10 is fixedly arranged on the rear half shaft 5, a sixth magnetic ring 11 matched with the outer ring of the fifth magnetic ring 10 is fixedly arranged on the shell 1, a seventh magnetic ring 12 is fixedly arranged at the end part of the rear half shaft 5, and an eighth magnetic ring 13 matched with the side surface of the seventh magnetic ring 12 is fixedly arranged on the shell 1.
The first magnetic ring 6, the second magnetic ring 7, the third magnetic ring 8, the fourth magnetic ring 9, the fifth magnetic ring 10, the sixth magnetic ring 11, the seventh magnetic ring 12 and the eighth magnetic ring 13 are all provided with permanent magnets.
In order to ensure the stability of the rotor 3 and the rotating shaft, the magnetic poles of the first magnetic ring 6 and the second magnetic ring 7 are matched in a repulsion mode along the radial direction, and the magnetic poles of the third magnetic ring 8 and the fourth magnetic ring 9 are matched in a repulsion mode along the axial direction; the magnetic poles of the fifth magnetic ring 10 and the sixth magnetic ring 11 are matched in a manner of repelling magnetic fields along the radial direction, and the magnetic poles of the seventh magnetic ring 12 and the eighth magnetic ring 13 are matched in a manner of repelling magnetic fields along the axial direction. The acting force of the first magnetic ring 6 and the second magnetic ring 7 in the radial direction is equal to the acting force of the fifth magnetic ring 10 and the sixth magnetic ring 11 in the radial direction; the acting force in the axial direction of both the third magnetic ring 8 and the fourth magnetic ring 9 is equal to the acting force in the axial direction of both the seventh magnetic ring 12 and the eighth magnetic ring 13.
Example 2:
after the position of the magnetic ring is changed in a matching manner on the basis of fig. 1, as shown in fig. 2, the permanent magnet suspension high-speed motor comprises a shell 1, wherein a stator 2 is fixedly arranged on the shell 1, a rotor 3 is matched with the inner ring of the stator 2, the rotor 3 is fixedly connected with a rotating shaft, and the rotating shaft comprises a front half shaft 4 and a rear half shaft 5. A first magnetic ring 6 is fixedly arranged on the front half shaft 4, a second magnetic ring 7 matched with the outer ring of the first magnetic ring 6 is fixedly arranged on the shell 1, the first magnetic ring 6 and a third magnetic ring 8 are arranged into a whole and are obliquely arranged into a first oblique magnetic ring 14, and the first oblique magnetic ring 14 is arranged on the front half shaft 4; the front half shaft 4 is fixedly provided with a third magnetic ring 8, the shell 1 is fixedly provided with a fourth magnetic ring 9 matched with the side surface of the third magnetic ring 8, the second magnetic ring 7 and the fourth magnetic ring 9 are arranged into a whole and are obliquely arranged into a second oblique magnetic ring 15, and the second oblique magnetic ring 15 is arranged in the shell 1. The front half-shaft 4 extends to the outside of the housing 1.
In order to balance the stress of the front half shaft 4 and enable the rotor 3 to be in a stable suspension state, a fifth magnetic ring 10 is fixedly arranged on the rear half shaft 5, a sixth magnetic ring 11 matched with the outer ring of the fifth magnetic ring 10 is fixedly arranged on the shell 1, a seventh magnetic ring 12 is fixedly arranged at the end part of the rear half shaft 5, and an eighth magnetic ring 13 matched with the side surface of the seventh magnetic ring 12 is fixedly arranged on the shell 1.
The first inclined magnetic ring 14, the second inclined magnetic ring 15, the fifth magnetic ring 10, the sixth magnetic ring 11, the seventh magnetic ring 12 and the eighth magnetic ring 13 are all provided with permanent magnets.
In order to ensure the stability of the rotor 3 and the rotating shaft, the magnetic poles of the first inclined magnetic ring 14 and the second inclined magnetic ring 15 are along the inclined direction, and the magnetic fields of the first inclined magnetic ring and the second inclined magnetic ring are in repulsive fit; the magnetic poles of the fifth magnetic ring 10 and the sixth magnetic ring 11 are matched in a manner of repelling magnetic fields along the radial direction, and the magnetic poles of the seventh magnetic ring 12 and the eighth magnetic ring 13 are matched in a manner of repelling magnetic fields along the axial direction. The vertical component force in the oblique direction of both the first oblique magnetic ring 14 and the second oblique magnetic ring 15 is equal to the acting force in the radial direction of both the fifth magnetic ring 10 and the sixth magnetic ring 11; the horizontal component force in the oblique direction of both the first oblique magnetic ring 14 and the second oblique magnetic ring 15 is equal to the acting force in the axial direction of both the seventh magnetic ring 12 and the eighth magnetic ring 13.
Example 3:
after the position of the magnetic ring is changed in a matching manner on the basis of fig. 1, as shown in fig. 3, the permanent magnet suspension high-speed motor comprises a shell 1, wherein a stator 2 is fixedly arranged on the shell 1, a rotor 3 is matched with the inner ring of the stator 2, the rotor 3 is fixedly connected with a rotating shaft, and the rotating shaft comprises a front half shaft 4 and a rear half shaft 5. A first magnetic ring 6 is fixedly arranged on the front half shaft 4, a second magnetic ring 7 matched with the outer ring of the first magnetic ring 6 is fixedly arranged on the shell 1, a third magnetic ring 8 is fixedly arranged on the front half shaft 4, and a fourth magnetic ring 9 matched with the side surface of the third magnetic ring 8 is fixedly arranged on the shell 1; the first magnetic ring 6 and the third magnetic ring 8 are arranged into a whole and are obliquely arranged to be a first oblique magnetic ring 14, the first oblique magnetic ring 14 is arranged on the front half shaft 4, the second magnetic ring 7 and the fourth magnetic ring 9 are arranged into a whole and are obliquely arranged to be a second oblique magnetic ring 15, and the second oblique magnetic ring 15 is arranged in the shell 1. The front half-shaft 4 extends to the outside of the housing 1.
In order to balance the stress of the front half shaft 4 and enable the rotor 3 to be in a stable suspension state, a fifth magnetic ring 10 is fixedly arranged on the rear half shaft 5, a sixth magnetic ring 11 matched with the outer ring of the fifth magnetic ring 10 is fixedly arranged on the shell 1, a seventh magnetic ring 12 is fixedly arranged at the end part of the rear half shaft 5, and an eighth magnetic ring 13 matched with the side surface of the seventh magnetic ring 12 is fixedly arranged on the shell 1. The fifth magnetic ring 10 and the seventh magnetic ring 12 are arranged into a whole and are obliquely arranged to be a third oblique magnetic ring, the third oblique magnetic ring is arranged on the rear half shaft 5, the sixth magnetic ring 11 and the eighth magnetic ring 13 are arranged into a whole and are obliquely arranged to be a fourth oblique magnetic ring, and the fourth oblique magnetic ring is arranged in the shell 1.
The first inclined magnetic ring 14, the second inclined magnetic ring 15, the third inclined magnetic ring and the fourth inclined magnetic ring are all provided with permanent magnets.
In order to ensure the stability of the rotor 3 and the rotating shaft, the magnetic poles of the first inclined magnetic ring 14 and the second inclined magnetic ring 15 are along the inclined direction, and the magnetic fields of the first inclined magnetic ring and the second inclined magnetic ring are in repulsive fit; the magnetic poles of the third inclined magnetic ring and the fourth inclined magnetic ring are matched in an exclusive mode along the inclined direction. The vertical component force in the oblique direction of both the first oblique magnetic ring 14 and the second oblique magnetic ring 15 is equal to the vertical component force in the oblique direction of both the third oblique magnetic ring and the fourth oblique magnetic ring; the horizontal component force in the oblique direction of both the first oblique magnetic ring 14 and the second oblique magnetic ring 15 is equal to the horizontal component force in the oblique direction of both the third oblique magnetic ring and the fourth oblique magnetic ring.
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. Permanent magnetism suspension high speed motor, including casing (1), casing (1) is fixed to be set up stator (2), stator (2) inner circle cooperation has rotor (3), its characterized in that: the rotor (3) is fixedly connected with a rotating shaft, the rotating shaft comprises a front half shaft (4) and a rear half shaft (5), a first magnetic ring (6) is fixedly arranged on the front half shaft (4), a second magnetic ring (7) matched with the outer ring of the first magnetic ring (6) is fixedly arranged on the shell (1), a third magnetic ring (8) is fixedly arranged on the front half shaft (4), a fourth magnetic ring (9) matched with the side surface of the third magnetic ring (8) is fixedly arranged on the shell (1), a fifth magnetic ring (10) is fixedly arranged on the rear half shaft (5), a sixth magnetic ring (11) matched with the outer ring of the fifth magnetic ring (10) is fixedly arranged on the shell (1), a seventh magnetic ring (12) is fixedly arranged at the end part of the rear half shaft (5), and an eighth magnetic ring (13) matched with the side surface of the seventh magnetic ring (12) is fixedly arranged on the shell (1).
2. The pm suspended high speed machine as claimed in claim 1, wherein: the magnetic poles of the first magnetic ring (6) and the second magnetic ring (7) are matched in a repulsive mode along the radial direction, the magnetic poles of the third magnetic ring (8) and the fourth magnetic ring (9) are matched in a repulsive mode along the axial direction, the magnetic poles of the fifth magnetic ring (10) and the sixth magnetic ring (11) are matched in a repulsive mode along the radial direction, and the magnetic poles of the seventh magnetic ring (12) and the eighth magnetic ring (13) are matched in a repulsive mode along the axial direction.
3. The pm suspended high speed machine as claimed in claim 1, wherein: the first magnetic ring (6), the second magnetic ring (7), the third magnetic ring (8), the fourth magnetic ring (9), the fifth magnetic ring (10), the sixth magnetic ring (11), the seventh magnetic ring (12) and the eighth magnetic ring (13) are all provided with permanent magnets.
4. The pm suspended high speed machine as claimed in claim 1, wherein: the first magnetic ring (6) and the third magnetic ring (8) are arranged into a whole and are obliquely arranged into a first oblique magnetic ring (14), the first oblique magnetic ring (14) is arranged on the front half shaft (4), the second magnetic ring (7) and the fourth magnetic ring (9) are arranged into a whole and are obliquely arranged into a second oblique magnetic ring (15), and the second oblique magnetic ring (15) is arranged in the shell (1).
5. The PM suspended high speed electric machine of claim 4, wherein: the fifth magnetic ring (10) and the seventh magnetic ring (12) are arranged into a whole and are obliquely arranged to be a third oblique magnetic ring, the third oblique magnetic ring is arranged on the rear half shaft (5), the sixth magnetic ring (11) and the eighth magnetic ring (13) are arranged into a whole and are obliquely arranged to be a fourth oblique magnetic ring, and the fourth oblique magnetic ring is arranged in the shell (1).
6. The pm suspended high speed machine as claimed in claim 1, wherein: the front half-shaft (4) extends to the outside of the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022558975.XU CN213783162U (en) | 2020-11-07 | 2020-11-07 | Permanent magnet suspension high-speed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022558975.XU CN213783162U (en) | 2020-11-07 | 2020-11-07 | Permanent magnet suspension high-speed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213783162U true CN213783162U (en) | 2021-07-23 |
Family
ID=76914440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022558975.XU Active CN213783162U (en) | 2020-11-07 | 2020-11-07 | Permanent magnet suspension high-speed motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213783162U (en) |
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2020
- 2020-11-07 CN CN202022558975.XU patent/CN213783162U/en active Active
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