CN217842151U - Magnetic suspension fan - Google Patents
Magnetic suspension fan Download PDFInfo
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- CN217842151U CN217842151U CN202222243137.2U CN202222243137U CN217842151U CN 217842151 U CN217842151 U CN 217842151U CN 202222243137 U CN202222243137 U CN 202222243137U CN 217842151 U CN217842151 U CN 217842151U
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- fan
- impeller
- cover plate
- fan frame
- bearing
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Abstract
The utility model discloses a magnetic suspension fan, which relates to the technical field of fans and comprises a fan cover, a fan frame, impeller blades, a motor and a PCB board, wherein the fan cover is a cover plate or a bracket mesh enclosure; the fan frame comprises a fan frame body and a fan frame seat; the impeller is characterized in that the cover plate is connected with a cover plate fixing piece, a cover plate magnet is connected in the cover plate fixing piece, the impeller blades are provided with fan blade magnets, and the magnetic poles at the bottom end of the cover plate magnet are the same as the magnetic poles at the top ends of the fan blade magnets. The utility model discloses the magnetic pole of apron magnet bottom of magnetic suspension fan is the same with the magnetic pole on flabellum magnet top, apron magnet is repelled with flabellum magnet homopolar to produce the repulsion force, produce decurrent effort to impeller flabellum, upwards effort when having offset impeller flabellum rotation makes impeller flabellum for fan frame seat magnetic suspension, has greatly reduced the mechanical friction of pivot with the bearing, has reduced the wearing and tearing of pivot, has reduced the noise of fan during operation, has improved the life of fan.
Description
Technical Field
The utility model relates to a fan technical field specifically is a magnetic suspension fan.
Background
Fans are used as the most common ventilation equipment, and are often used for indoor and outdoor ventilation, high-temperature heat dissipation, power devices and the like. The core component of the fan mainly comprises fan blades and a motor. The motor is mainly divided into a stator and a rotor, and the rotor is usually connected with the fan blades; the rotating shaft is used as a part of the universal motor and is connected with the stator and the rotor, so that smooth operation of the motor is guaranteed. The rotating shaft is an important part for mechanical connection between fan blades and the motor in the fan; however, when the current fan uses the sliding bearing to operate at a high speed for a long time, the mechanical system formed by the fan rotating shaft and the stator of the fan blade or the turbine blade generates larger noise because the fan operates at a high speed and airflow counter force pushes the buckle or the retaining ring on the fan blade shaft to rub with the hub. In the process of high-speed work of the fan, the friction between the buckle or the retaining ring on the rotating shaft of the fan and the bearing can easily generate abnormal sound, so that the use experience of a user is influenced; and the fan rotating shaft is rubbed for a long time, so that kinetic energy loss is easily caused and the service life of a product is easily influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetic suspension fan has the impeller flabellum and for the magnetic suspension of fan frame seat, has greatly reduced the mechanical friction of pivot with the axle bed inner bearing, has reduced the wearing and tearing of pivot with the bearing, has reduced the noise of fan during operation, has improved the beneficial effect of the life of fan to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a magnetic suspension fan comprises a fan cover, a fan frame, impeller blades, a motor and a PCB, wherein the fan cover, the fan frame, the impeller blades, the motor and the PCB are sequentially arranged and connected, the fan cover is a cover plate or a support screen, the cover plate or the support screen is arranged above the impeller blades and connected with the fan frame, the impeller blades are connected in the fan frame and can rotate in the fan frame, one end of the impeller blades is arranged in the motor, the motor drives the impeller blades to rotate in the fan frame, and one end of the PCB is connected with the motor and is electrically connected with the motor; the fan frame comprises a fan frame body and a fan frame seat, the fan frame seat is connected with the fan frame body, the impeller fan blades are connected to the fan frame seat, and the motor drives the impeller fan blades to rotate on the fan frame seat; the cover plate is connected with a cover plate fixing piece, a cover plate magnet is connected in the cover plate fixing piece, a fan blade magnet is arranged on the impeller fan blade, the cover plate is arranged above the impeller fan blade, the magnetic pole at the bottom end of the cover plate magnet is the same as the magnetic pole at the top end of the fan blade magnet, the cover plate magnet and the fan blade magnet repel each other in the same polarity, and a repulsive force is generated, so that the impeller fan blade is magnetically suspended relative to the fan frame base.
As a further aspect of the present invention: the impeller fan blade comprises an impeller ring, a slotless rotating shaft and a blade, wherein the slotless rotating shaft is connected to the bottom side of the impeller ring and is rotatably connected with a bearing in the fan frame seat; a bearing is arranged on the outer side of the slotless rotating shaft, the bearing is fixed in the fan frame seat, the fan blade slotless rotating shaft can rotate in the bearing, and the motor drives the slotless rotating shaft to rotate in the bearing; the blades are provided with a plurality of blade blades or turbine blades and are connected to the outer side of the impeller ring in an annular shape.
As the utility model discloses further scheme again: the blade magnets are arranged on the inner side of the impeller ring, the blade magnets are arranged below the cover plate magnets, and the cover plate magnets and the blade magnets repel each other in the same polarity and generate repulsive force, so that the impeller blades are magnetically suspended relative to the fan frame base.
As a further aspect of the present invention: the fan is characterized in that a cover plate groove is formed in the middle of the cover plate, the cover plate fixing piece is arranged in the cover plate groove and fixedly connected with the cover plate, and the motor drives the bearing of the impeller fan blade in the fan frame to rotate, forms axial airflow along the non-groove rotating shaft and flows out through the fan frame.
As a further aspect of the present invention: the middle part of the fan frame seat is connected with a bearing seat, the bearing seat is provided with a shaft hole, and one end of the slotless spindle is inserted into the shaft hole and can rotate in the shaft hole; the motor drives the slotless rotating shaft to rotate in the shaft hole; the bearing is installed in the outside of slotless quality pivot, the bearing is fixed in the bearing frame, the pivot can be in the bearing is last to rotate, the motor drive the pivot is in rotate on the bearing.
As a further aspect of the present invention: the fan frame and the impeller fan blades can be made of light-transmitting materials, and LED lamps can be arranged in the fan frame or on the PCB.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses the magnetic pole of the apron magnet bottom of magnetic suspension fan is the same with the magnetic pole on flabellum magnet top, apron magnet is repelled with flabellum magnet homopolar to produce the repulsion force, produce decurrent effort to impeller flabellum, upwards effort when having offset impeller flabellum rotation makes impeller flabellum for fan frame seat magnetic suspension, has greatly reduced the mechanical friction of pivot with the bearing, has reduced the wearing and tearing of pivot, has reduced the noise of fan during operation, has improved the life of fan.
Drawings
Fig. 1 is a schematic structural diagram of the magnetic suspension fan of the present invention.
Fig. 2 is a side view of the magnetically levitated fan of fig. 1.
Fig. 3 isbase:Sub>A cross-sectional view taken alongbase:Sub>A-base:Sub>A in fig. 2.
Fig. 4 is an exploded view of the magnetic suspension fan of the present invention.
Fig. 5 is a schematic structural diagram of the impeller blade of the magnetic suspension fan of the present invention.
Fig. 6 is a schematic structural diagram of the magnetic suspension fan of the present invention, in which the fan cover is a bracket screen and the blades are sheet blades.
Fig. 7 is a schematic structural view of the magnetic suspension fan according to the present invention, in which the fan cover is a bracket screen and the blades are turbine blades.
The labels in the figure are:
1. a cover plate; 2. a fan frame; 3. an impeller blade; 4. a motor; 5. a PCB board; 6. an LED lamp; 7. a bracket net cover;
11. a cover plate fixing member; 12. a cover plate groove; 13. a cover plate magnet;
21. a fan frame body; 22. a fan frame seat; 23. a bearing seat;
31. an impeller ring; 32. a slotless spindle; 33. a blade; 34. a fan blade magnet.
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 to 7, in an embodiment of the present invention, a magnetic suspension fan, referring to fig. 1 and 4, includes a fan cover, a fan frame 2, an impeller blade 3, a motor 4, a light-emitting PCB board 5, and an LED lamp 6, wherein the fan cover, the fan frame 2, the impeller blade 3, the motor 4, and the PCB board 5 are sequentially disposed and connected, the fan cover is a cover plate 1 or a bracket mesh enclosure 7, the cover plate 1 or the bracket mesh enclosure 7 is disposed above the impeller blade 3 and is fixedly connected to the fan frame 2, the impeller blade 3 is connected to the fan frame 2 and can rotate in the fan frame 2, referring to fig. 3, one end of a shaft core of the impeller blade 3 is disposed in the motor 4, the motor 4 drives the impeller blade 3 to rotate in the fan frame 2, the light-emitting PCB board 5 is fixed in the fan frame 2, and one end of the PCB board 5 is fixedly connected to the motor 4 and is connected to the motor 4 through a wire; the fan frame 2 comprises a fan frame body 21 and a fan frame seat 22, the fan frame seat 22 is fixedly connected with the fan frame body 21 through injection molding, the non-groove axial core impeller fan blade 3 is rotatably connected in a bearing in the fan frame seat 22, and the motor 4 drives the impeller fan blade 3 to rotate in the bearing in the fan frame seat 22; referring to fig. 1, a cover plate fixing member 11 is connected to a cover plate 1, a cover plate magnet 13 is fixedly connected to the inside of the cover plate fixing member 11, the cover plate magnet 13 and the cover plate 1 can be molded into a whole by injection molding, a blade magnet 34 is fixedly connected to an impeller blade 3, the cover plate 1 is arranged above the impeller blade 3, the magnetic pole at the bottom end of the cover plate magnet 13 is the same as the magnetic pole at the top end of the blade magnet 34, the cover plate magnet 13 and the blade magnet 34 repel each other in the same polarity, and a repulsive force is generated, so that the impeller blade 3 is magnetically suspended relative to a fan frame base 22; further, the blade magnet 34 is fixedly connected to the inner side of the impeller ring 31, the blade magnet 34 is disposed below the cover plate magnet 13 on the cover plate or the support mesh 7, the same poles of the support or the cover plate magnet 13 and the blade magnet 34 repel each other and generate a repulsive force, a downward acting force is generated on the impeller blade 3, the upward acting force generated when the impeller blade 3 rotates is offset, and the impeller blade 3 is magnetically suspended relative to the fan frame seat 22. The utility model discloses the magnetic pole of the apron magnet 13 bottom of magnetic suspension fan is the same with the magnetic pole on flabellum magnet 34 top, apron magnet 13 is repelled with flabellum magnet 34 homopolar, and produce the repulsion force, produce decurrent effort to impeller flabellum 3, upwards effort when having offset impeller flabellum 3 rotatory, make impeller flabellum 3 for the 22 magnetic suspensions of fan frame seat, because there is not buckle or buckle on the impeller flabellum axle core, the mechanical friction of slotless spindle 32 with the 23 inner bearing of bearing frame has greatly been reduced, the wearing and tearing of slotless spindle 32 have been reduced, the noise of fan during operation has been reduced, the life of fan has been improved.
In a preferred embodiment of the present invention, referring to fig. 4 and 5, the impeller blade 3 includes an impeller ring 31, a non-grooved shaft 32 and a blade 33, the non-grooved shaft 32 is fixedly connected to the bottom side of the impeller ring 31 and rotatably connected to the bearing in the fan frame seat 22; the outer side of the slotless spindle 32 is provided with a bearing which is fixedly connected in the fan frame seat 22, the slotless spindle 32 can rotate in the bearing, the motor 4 drives the slotless spindle 32 to rotate on the bearing, a plurality of blades 33 are provided, and the blades 33 can adopt sheet blades or turbine blades and are fixedly connected to the outer side of the impeller ring 31 in a ring shape.
In a preferred embodiment of the present invention, referring to fig. 1, a cover plate groove 12 is disposed in the middle of the cover plate 1, the cover plate fixing member 11 is disposed in the cover plate 1 and fixedly connected to the cover plate 1, the motor 4 drives the impeller blade 3 to rotate on the bearing in the fan frame seat 22, and the impeller blade 3 forms an axial airflow along the non-groove rotating shaft 32 when rotating, and flows in through the cover plate groove 12.
In a preferred embodiment of the present invention, please refer to fig. 4, a bearing seat 23 is fixedly connected to the middle of the fan frame seat 22, a shaft hole is formed on the bearing seat 23, and one end of the slotless rotating shaft 32 is inserted into the shaft hole and can rotate in the shaft hole; the motor 4 drives the slotless spindle 32 to rotate in the spindle hole; the outer side of the slotless spindle 32 is provided with a bearing which is fixed in the bearing seat 23, the slotless spindle 32 can rotate on the bearing, and the motor 4 drives the slotless spindle 32 to rotate on the bearing.
In a preferred embodiment of the present invention, referring to fig. 1, both the fan frame 2 and the impeller blade 3 can be made of transparent material, and the LED lamp 6 is installed in the fan frame 2 or on the PCB 5. The light source emitted by the LED lamp 6 is transmitted out of the fan frame 2 and the impeller fan blade 3, and the fan emits light when in use, so that the fan is cool.
The utility model discloses magnetic suspension fan's working process as follows: referring to fig. 1 and 4, the motor 4 drives the slotless spindle 32 to rotate on the bearing seat 23 in the fan frame seat 22, the blades 33 rotate synchronously, and axial airflow is formed along the slotless spindle 32 and flows in through the cover plate slot 12, because the magnetic pole at the bottom end of the magnet in the cover plate 1 is the same as the magnetic pole at the top end of the fan blade magnet 34, the cover plate magnet 13 and the fan blade magnet 34 repel each other in the same polarity and generate repulsive force, and generate downward acting force on the impeller blade 3, so as to counteract the upward acting force when the impeller blade 3 rotates, so that the impeller blade 3 is magnetically suspended relative to the fan frame seat 22, and the mechanical friction between the slotless spindle 32 and the bearing seat 23 is greatly reduced.
The utility model discloses the magnetic pole of the apron magnet 13 bottom of magnetic suspension fan is the same with the magnetic pole on 34 tops of flabellum magnet, apron magnet 13 repels with 34 homopolarity of flabellum magnet, and produce the repulsion force, produce decurrent effort to impeller flabellum 3, owing to increased under the protection of apron and magnetic force, the mounting means that traditional flabellum axle core buckle for the trough of belt prevented the flabellum and drops has been cancelled, upwards effort when having offset impeller flabellum 3 rotation, make impeller flabellum 3 for fan frame seat 22 magnetic suspension, the mechanical friction of no groove pivot 32 with the bearing has greatly been reduced during the operation, the wearing and tearing of no groove pivot 32 have been reduced, the noise of fan during operation has been reduced, the life of fan has been improved.
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 or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A magnetic suspension fan is characterized by comprising a fan cover, a fan frame, impeller blades, a motor and a PCB, wherein the fan cover, the fan frame, the impeller blades, the motor and the PCB are sequentially arranged and connected, the fan cover is a cover plate or a support screen, the cover plate or the support screen is arranged above the impeller blades and connected with the fan frame, the impeller blades are connected in the fan frame and can rotate in the fan frame, one end of each impeller blade is arranged in the motor, the motor drives the impeller to rotate in the fan frame, and one end of the PCB is connected with the motor and is electrically connected with the motor; the fan frame comprises a fan frame body and a fan frame seat, the fan frame seat is connected with the fan frame body, the impeller fan blades are connected to the fan frame seat, and the motor drives the impeller fan blades to rotate on the fan frame seat; the improved magnetic suspension impeller is characterized in that a cover plate fixing piece is connected to the cover plate, a cover plate magnet is connected to the cover plate fixing piece, fan blade magnets are arranged on the impeller fan blades, the cover plate is arranged above the impeller fan blades, magnetic poles at the bottom end of the cover plate magnet are the same as magnetic poles at the top ends of the fan blade magnets, the cover plate magnet and the fan blade magnets repel each other in the same polarity, a repulsive force is generated, and the impeller fan blades are magnetically suspended relative to the fan frame base.
2. The magnetic levitation fan as recited in claim 1, wherein the impeller blade comprises an impeller ring, a non-grooved shaft and a blade, the non-grooved shaft is connected to the bottom side of the impeller ring and rotatably connected to the bearing in the fan frame base; a bearing is arranged on the outer side of the slotless rotating shaft, the bearing is fixed in the fan frame seat, the fan blade slotless rotating shaft can rotate in the bearing, and the motor drives the slotless rotating shaft to rotate in the bearing; the blade is provided with a plurality of sheet blades or turbine blades and is connected to the outer side of the impeller ring in a ring shape.
3. The magnetic suspension fan as claimed in claim 2, wherein the fan blade magnets are disposed inside the impeller ring, the fan blade magnets are disposed below the cover plate magnets, and the cover plate magnets repel the fan blade magnets with like poles and generate repulsive force to magnetically suspend the impeller blades relative to the fan frame base.
4. The magnetic suspension fan as claimed in claim 2, wherein the cover plate has a cover plate slot at the middle, the cover plate fixing member is disposed in the cover plate slot and is fixedly connected to the cover plate, and the motor drives the impeller blade to rotate in the bearing of the fan frame and form an axial airflow along the non-slot rotating shaft, and the axial airflow flows out through the fan frame.
5. The magnetic suspension fan as claimed in claim 2, wherein a bearing seat is connected to the middle of the fan frame seat, a shaft hole is formed on the bearing seat, and one end of the slotless spindle is inserted into the shaft hole and can rotate in the shaft hole; the motor drives the slotless rotating shaft to rotate in the shaft hole; the bearing is installed in the outside of slotless spindle, the bearing is fixed in the bearing frame, the pivot can be in the bearing is rotatory, the motor drive the pivot is in the bearing is rotatory.
6. The magnetic levitation fan as recited in claim 1, wherein the fan frame and the impeller blades are made of light-transparent material, and the LED lamp is mounted in the fan frame or on the PCB.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022221443584 | 2022-08-16 | ||
| CN202222144358 | 2022-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842151U true CN217842151U (en) | 2022-11-18 |
Family
ID=84015924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222243137.2U Active CN217842151U (en) | 2022-08-16 | 2022-08-25 | Magnetic suspension fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842151U (en) |
-
2022
- 2022-08-25 CN CN202222243137.2U patent/CN217842151U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |