CN219492712U - Variable-frequency adjustable magnetic suspension blower - Google Patents
Variable-frequency adjustable magnetic suspension blower Download PDFInfo
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- CN219492712U CN219492712U CN202223393483.5U CN202223393483U CN219492712U CN 219492712 U CN219492712 U CN 219492712U CN 202223393483 U CN202223393483 U CN 202223393483U CN 219492712 U CN219492712 U CN 219492712U
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- filter screen
- impeller cover
- guide shaft
- impeller
- magnetic suspension
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Abstract
The utility model relates to a variable-frequency adjustable magnetic suspension blower, which relates to the field of blowers and comprises a magnetic suspension motor main body, an impeller connected with an output shaft of the magnetic suspension motor main body and an impeller cover arranged at the front end of the impeller; the air inlet filter mechanism comprises a housing connected with the impeller cover, a filter screen assembly and at least two groups of vibration assemblies, wherein the filter screen assembly is arranged in the housing; the vibration component comprises a guide shaft and a telescopic spring sleeved on the guide shaft, and one end of the guide shaft is fixed on the end face of the air inlet of the impeller cover; the filter screen assembly comprises a ring plate and a filter screen arranged on the inner ring of the ring plate, one end of the guide shaft, far away from the impeller cover, penetrates through the ring plate, the ring plate can axially slide along the guide shaft, and the telescopic spring is positioned between the ring plate and the impeller cover. The utility model can shake off dust on the filter screen, reduce the aggregation amount of the dust on the filter screen, realize the effect of self-cleaning, reduce the frequency of manual maintenance and ensure the long-term operation stability of the magnetic suspension blower.
Description
Technical Field
The utility model relates to the field of blowers, in particular to a variable-frequency adjustable magnetic suspension blower.
Background
The magnetic suspension blower is a mechanical device for conveying gas, adopts core technologies such as a magnetic suspension bearing, a ternary flow impeller, a high-speed permanent magnet synchronous motor, a high-efficiency frequency converter for speed regulation, intelligent monitoring control and the like, is suspended firstly and then rotated during starting, has no friction, does not need lubrication, is directly connected with a rotor, has zero transmission loss, and is a high-tech green energy-saving environment-friendly product.
The related Chinese patent publication No. CN215672767U discloses a magnetic suspension blower, which comprises a magnetic suspension motor, wherein the magnetic suspension motor is connected with a volute bottom base through a bolt, the volute bottom base is connected with a volute connecting seat through a bolt, the volute connecting seat is connected with a volute through a bolt, the volute is connected with an impeller cover through a bolt, an impeller is arranged in the impeller cover, the impeller is arranged on an impeller pull rod, the impeller pull rod is arranged on the axis of the volute and connected with the magnetic suspension motor, and a filter screen is connected to the outer side of the impeller cover through a bolt and used for blocking dust.
Aiming at the prior art, the inventor considers that a filter screen at an air inlet of the magnetic suspension blower can intercept and gather a large amount of dust in the long-term working process, and the magnetic suspension blower often needs to be cleaned and maintained manually at regular intervals, otherwise, the combination of the magnetic suspension blower and water vapor in the air easily causes the filter screen to be blocked, influences the air inflow of the blower, and even causes the blower to be difficult to normally run.
Disclosure of Invention
In order to reduce the aggregation amount of dust on a filter screen and realize self-cleaning of the filter screen, so as to reduce the frequency of manual maintenance and ensure the good filtering effect of the filter screen, the utility model provides a variable-frequency adjustable magnetic suspension blower.
The utility model provides a variable-frequency adjustable magnetic suspension blower which adopts the following technical scheme:
a variable-frequency adjustable magnetic suspension blower comprises a magnetic suspension motor main body, an impeller connected with an output shaft of the magnetic suspension motor main body and an impeller cover arranged at the front end of the impeller; the air inlet filter mechanism comprises a housing connected with the impeller cover, a filter screen assembly and at least two groups of vibration assemblies, wherein the filter screen assembly is arranged in the housing;
the vibration assembly comprises a guide shaft and a telescopic spring sleeved on the guide shaft, and one end of the guide shaft is fixed on the end face of the air inlet of the impeller cover;
the filter screen assembly comprises a ring plate and a filter screen arranged on the inner ring of the ring plate, one end of the guide shaft, far away from the impeller cover, penetrates through the ring plate, the ring plate can axially slide along the guide shaft, and the telescopic spring is positioned between the ring plate and the impeller cover.
Through adopting the technical scheme, the magnetic suspension motor main body drives the impeller to rotate, air is sucked from the air inlet of the impeller cover, the filter screen is in sliding connection with the guide shaft through the annular plate, then the filter screen moves towards the direction close to the impeller cover under the action of air inlet pressure, and the telescopic spring is compressed through the annular plate; when the magnetic suspension blower stops working, the filter screen component returns to move towards the direction far away from the impeller cover under the action of the elasticity of the telescopic spring and generates reciprocating tremble along the axial direction of the guide shaft, so that dust filtered and adsorbed on the filter screen during operation can be trembled off, the aggregation of dust on the filter screen is reduced, and a certain self-cleaning effect is realized.
Preferably, the air inlet filtering mechanism further comprises a plurality of vibrating assemblies, each vibrating assembly comprises a connecting elastic piece and a rubber column hammer arranged at one end of the connecting elastic piece, the connecting elastic pieces are arranged on the guide shaft, and when the connecting elastic pieces are extruded, the rubber column hammer can be driven to move towards the direction close to the filter screen and collide with the filter screen.
Preferably, the connecting spring plate comprises a first spring plate, a second spring plate and a connecting sheet which are integrally formed, the first spring plate and the second spring plate are mutually connected to form a V shape, a waist-shaped hole for a guide shaft to pass through is formed in the first spring plate and the second spring plate, one end of the connecting sheet is connected with one end, far away from the second spring plate, of the second spring plate, and the other end of the connecting sheet extends towards the direction close to the filter screen and is connected with the rubber column hammer.
Through adopting above-mentioned technical scheme, when the filter screen moves to the direction of keeping away from the impeller cap under the elasticity reaction force of extension spring, the link plate produces the extrusion to connecting the shell fragment, connects the shell fragment and drives the rubber column hammer and remove to the direction that is close to the filter screen then to striking the filter screen, thereby can further tremble the dust on the filter screen, improve the effect of the self-cleaning of filter mechanism that admits air, and the rubber column hammer that adopts rubber to make reduces the possibility of damaging the filter screen.
Preferably, one end of the housing is sleeved on the impeller cover, a dust discharge port is formed in the bottom side of the housing, and the dust discharge port is positioned at the bottom of the filter screen assembly.
Through adopting above-mentioned technical scheme, the dust that falls down on the convenient filter screen of setting up of dust exhaust mouth on the housing in time discharges for the dust can not gather in the housing bottom again.
Preferably, the bottom side of the annular plate, which is close to the dust exhaust port, is fixed with an arc-shaped sealing plate, and the arc-shaped sealing plate is used for sealing the dust exhaust port positioned on one side of the filter screen, which is close to the impeller cover.
Through adopting above-mentioned technical scheme, the in-process that filter screen subassembly removed, the arc shrouding can seal the dust exhaust mouth that is located the filter screen and is close to impeller lid one side for in the air can not follow this dust exhaust mouth entering air-blower, the guarantee gets into the cleanliness factor of the air in the air-blower.
Preferably, a positioning block is fixed on the inner side wall of the housing close to one end of the impeller cover, and a positioning slot matched with the positioning block is formed in the outer wall of the impeller cover.
Through adopting above-mentioned technical scheme, the installation location of housing between the impeller lid of being convenient for on the one hand, on the other hand can effectively prevent the circumstances of housing angle mistake-loading for the dust exhaust mouth is in the filter screen bottom.
In summary, the utility model at least comprises the following beneficial technical effects:
1. the utility model can shake off the dust filtered and adsorbed on the filter screen, thereby reducing the aggregation amount of the dust on the filter screen, realizing a certain self-cleaning effect, ensuring the good filtering effect of the air inlet filter assembly, reducing the frequency of manual maintenance and ensuring the long-term operation stability of the magnetic suspension blower;
2. the dust discharge port on the housing is convenient for timely discharging the fallen dust on the filter screen, so that the dust can not gather at the bottom of the housing.
Drawings
Fig. 1 is a partial structural cross-sectional view of an embodiment of the present utility model.
Fig. 2 is a schematic view of the structure of the impeller cover and the intake air filtering mechanism in the embodiment of the utility model.
Fig. 3 is a cross-sectional view of the impeller cover and intake air filter mechanism in an embodiment of the utility model.
Fig. 4 is a partial enlarged view of the portion a in fig. 3.
Fig. 5 is a schematic view of the structure of a rapping assembly in an embodiment of the present utility model.
Fig. 6 is a schematic structural view of a filter assembly according to an embodiment of the present utility model.
Fig. 7 is a schematic structural view of a housing in an embodiment of the present utility model.
Fig. 8 is a schematic view of the structure of the impeller cover in the embodiment of the present utility model.
Reference numerals illustrate: 1. a magnetic levitation motor main body; 2. an impeller; 3. an impeller cover; 31. a mating groove; 32. positioning the slot; 4. a housing; 41. a dust discharge port; 42. a positioning block; 5. a filter screen assembly; 51. a filter screen; 52. a ring plate; 53. arc-shaped sealing plates; 6. a vibration assembly; 61. a guide shaft; 62. a telescopic spring; 7. a rapping assembly; 71. a connecting spring plate; 711. a first elastic sheet; 712. a second spring plate; 713. a connecting sheet; 72. rubber column hammer.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-8.
The embodiment of the utility model discloses a variable-frequency adjustable magnetic suspension blower.
Referring to fig. 1 to 3, a variable frequency and adjustable magnetic suspension blower comprises a magnetic suspension motor main body 1, an impeller 2, an impeller cover 3 and an air inlet filtering mechanism; the output shaft of the magnetic suspension motor main body 1 is connected with the impeller 2, and the impeller cover 3 is arranged on the magnetic suspension motor main body 1 through bolts and is positioned at the front end of the impeller 2. The air inlet filtering mechanism comprises a filter screen assembly 5 and at least two groups of vibrating assemblies 6, wherein the filter screen assembly 5 is arranged in the housing 4; one end of the housing 4 is sleeved at the front end of the impeller cover 3 and is connected with the impeller cover 3 through bolts.
Referring to fig. 3 and 4, in this embodiment, the vibration assemblies 6 are provided with three groups, each vibration assembly 6 includes a guide shaft 61 and a telescopic spring 62 sleeved on the guide shaft 61, one end of the guide shaft 61 is welded on the end face of the air inlet of the impeller cover 3, the axis of the guide shaft 61 is parallel to the axis of the impeller cover 3, the filter screen assembly 5 includes a ring plate 52 and a filter screen 51 mounted on the inner ring of the ring plate 52, one end of the guide shaft 61 away from the impeller cover 3 passes through the ring plate 52, the ring plate 52 is slidably connected with the guide shaft 61, the telescopic spring 62 is located between the ring plate 52 and the impeller cover 3, one end of the telescopic spring 62 is welded and fixed with the impeller cover 3, and the other end is abutted with the ring plate 52.
Referring to fig. 1 to 4, when the magnetic levitation blower is operated, the magnetic levitation motor main body 1 drives the impeller 2 to rotate, air is sucked from the air inlet of the impeller cover 3, the filter screen 51 is slidably connected with the guide shaft 61 through the annular plate 52, then the filter screen 51 moves to a direction approaching the impeller cover 3 under the action of air inlet pressure, and the telescopic spring 62 is compressed through the annular plate 52; when the magnetic suspension blower stops working, the filter screen assembly 5 returns to move towards the direction away from the impeller cover 3 under the action of the elastic force of the telescopic spring 62 and generates reciprocating tremble along the axial direction of the guide shaft 61, so that dust filtered and adsorbed on the filter screen 51 during operation can be trembled off, the aggregation of dust on the filter screen 51 is reduced, and a certain self-cleaning effect is realized.
Referring to fig. 4 and 5, in order to further improve the cleaning effect on the dust trapped on the filter screen 51, a plurality of rapping assemblies 7 are disposed in the housing 4, in this embodiment, the rapping assemblies 7 are provided with three groups, each vibrating assembly 6 includes a connecting spring 71 and a rubber column hammer 72 mounted at one end of the connecting spring 71, the connecting spring 71 is mounted on the guide shaft 61, and when the connecting spring 71 is extruded, the rubber column hammer 72 can be driven to move in a direction close to the filter screen 51 and collide with the filter screen 51. The connecting spring piece 71 comprises a first spring piece 711, a second spring piece 712 and a connecting piece 713 which are integrally formed, wherein the first spring piece 711 and the second spring piece 712 are mutually connected into a V shape, the first spring piece 711 is positioned between the second spring piece 712 and the annular plate 52, and the connection of the first spring piece 711 and the second spring piece 712 is welded on the inner wall of the housing 4; the first elastic sheet 711 and the second elastic sheet 712 are provided with waist-shaped holes for the guide shaft 61 to pass through, a section of the first elastic sheet 711 away from the second elastic sheet 712 is abutted against the annular plate 52, one end of the second elastic sheet 712 away from the first elastic sheet 711 is abutted against the inner wall of the housing 4, one end of the connecting sheet 713 is connected with one end of the second elastic sheet 712 away from the second elastic sheet 712, and the other end of the connecting sheet 713 extends towards the direction close to the filter screen 51 and is inserted into the rubber column hammer 72 and is adhered and fixed with the rubber column hammer 72.
Referring to fig. 4 and 5, when the filter screen 51 moves away from the impeller cover 3 under the elastic reaction force of the extension spring 62, the annular plate 52 extrudes the connecting elastic sheet 71, so that the included angle between the first elastic sheet 711 and the second elastic sheet 712 is reduced, and then the second elastic sheet 712 drives the rubber column hammer 72 to move towards the direction close to the filter screen 51 through the connecting sheet 713 and to strike the filter screen 51, so that dust on the filter screen 51 is further shaken off, and the self-cleaning effect of the air inlet filtering mechanism is improved.
Referring to fig. 6 to 8, the dust discharge port 41 is formed at the bottom side of the housing 4, and the dust discharge port 41 is located at the bottom of the filter screen 51 assembly, so that when dust falls from the filter screen 51, the dust can be timely discharged through the dust discharge port 41, and the dust is prevented from collecting at the bottom of the housing 4. In order to prevent the filter screen assembly 5 from moving, part of air can enter the blower from the dust discharge port 41, an arc-shaped sealing plate 53 is welded on the bottom side of the annular plate 52, which is close to the dust discharge port 41, the arc-shaped sealing plate 53 is used for sealing the dust discharge port 41 positioned on one side of the filter screen 51, which is close to the impeller cover 3, and the end surface of the impeller cover 3 is provided with a matching groove 31 for inserting the arc-shaped sealing plate 53, so that the arc-shaped sealing plate 53 is prevented from generating position interference with the impeller cover 3 plate when moving along with the annular plate 52. The inner side wall of the housing 4, which is close to one end of the impeller cover 3, is welded with a positioning block 42, and the outer wall of the impeller cover 3 is provided with a positioning slot 32 which is matched with the positioning block 42, so that the housing 4 is conveniently installed and positioned between the impeller covers 3, the fool-proof effect is achieved, and the dust discharge port 41 is ensured to be positioned at the bottom of the filter screen 51.
The implementation principle of the variable-frequency adjustable magnetic suspension blower provided by the embodiment of the utility model is as follows: when the magnetic suspension blower works, the magnetic suspension motor main body 1 drives the impeller 2 to rotate, air is sucked from the air inlet of the impeller cover 3, the filter screen 51 is in sliding connection with the guide shaft 61 through the annular plate 52, then the filter screen 51 moves towards the direction close to the impeller cover 3 under the action of air inlet pressure, and the telescopic spring 62 is compressed through the annular plate 52; when the magnetic suspension blower stops working, the filter screen assembly 5 returns to move towards the direction away from the impeller cover 3 under the action of the elastic force of the telescopic spring 62 and generates reciprocating tremble along the axial direction of the guide shaft 61, so that dust filtered and adsorbed on the filter screen 51 during operation can be trembled off; and in this process, the annular plate 52 produces the extrusion to connecting shell fragment 71 for the contained angle between first shell fragment 711 and the second shell fragment 712 diminishes, and then the second shell fragment 712 drives rubber column hammer 72 through connection piece 713 and removes to being close to filter screen 51 direction, and strikes filter screen 51, thereby further tremble the dust on the filter screen 51, improves the effect of the self-cleaning of filter mechanism that admits air, in order to reduce manual maintenance frequency, guarantee the long-term operation stability of magnetic suspension air-blower.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (6)
1. A variable-frequency adjustable magnetic suspension blower comprises a magnetic suspension motor main body (1), an impeller (2) connected with an output shaft of the magnetic suspension motor main body (1) and an impeller cover (3) arranged at the front end of the impeller (2); the method is characterized in that: the air inlet filter mechanism comprises a housing (4) connected with the impeller cover (3), a filter screen assembly (5) arranged in the housing (4) and at least two groups of vibration assemblies (6);
the vibration assembly (6) comprises a guide shaft (61) and a telescopic spring (62) sleeved on the guide shaft (61), and one end of the guide shaft (61) is fixed on the end face of the air inlet of the impeller cover (3);
the filter screen assembly (5) comprises a ring plate (52) and a filter screen (51) arranged on the inner ring of the ring plate (52), one end, far away from the impeller cover (3), of the guide shaft (61) penetrates through the ring plate (52), the ring plate (52) can axially slide along the guide shaft (61), and the telescopic spring (62) is located between the ring plate (52) and the impeller cover (3).
2. A variable frequency, adjustable magnetic levitation blower as defined in claim 1, wherein: the air inlet filtering mechanism further comprises a plurality of vibrating assemblies (7), each vibrating assembly (7) comprises a connecting elastic piece (71) and a rubber column hammer (72) arranged at one end of the connecting elastic piece (71), the connecting elastic piece (71) is arranged on the guide shaft (61), and when the connecting elastic piece (71) is extruded, the rubber column hammer (72) can be driven to move towards a direction close to the filter screen (51) and collide with the filter screen (51).
3. A variable frequency, adjustable magnetic levitation blower as defined in claim 2, wherein: the connecting spring piece (71) comprises a first spring piece (711), a second spring piece (712) and a connecting piece (713) which are integrally formed, wherein the first spring piece (711) and the second spring piece (712) are mutually connected to form a V shape, a waist-shaped hole through which a guide shaft (61) passes is formed in the first spring piece (711) and the second spring piece (712), one end of the connecting piece (713) is connected with one end, far away from the second spring piece (712), of the second spring piece (712), and the other end of the connecting piece (713) extends towards the direction close to the filter screen (51) and is connected with a rubber column hammer (72).
4. A variable frequency, adjustable magnetic levitation blower as defined in any of claims 1-3, wherein: one end of the housing (4) is sleeved on the impeller cover (3), a dust discharge port (41) is formed in the bottom side of the housing (4), and the dust discharge port (41) is positioned at the bottom of the filter screen assembly (5).
5. A variable frequency, adjustable magnetic levitation blower as defined in claim 4, wherein: an arc-shaped sealing plate (53) is fixed on the bottom side of the annular plate (52) close to the dust discharge opening (41), and the arc-shaped sealing plate (53) is used for sealing the dust discharge opening (41) positioned on one side of the filter screen (51) close to the impeller cover (3).
6. A variable frequency, adjustable magnetic levitation blower as defined in claim 5, wherein: the inner side wall of the housing (4) close to one end of the impeller cover (3) is fixedly provided with a positioning block (42), and the outer wall of the impeller cover (3) is provided with a positioning slot (32) matched with the positioning block (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223393483.5U CN219492712U (en) | 2022-12-19 | 2022-12-19 | Variable-frequency adjustable magnetic suspension blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223393483.5U CN219492712U (en) | 2022-12-19 | 2022-12-19 | Variable-frequency adjustable magnetic suspension blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219492712U true CN219492712U (en) | 2023-08-08 |
Family
ID=87478438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223393483.5U Active CN219492712U (en) | 2022-12-19 | 2022-12-19 | Variable-frequency adjustable magnetic suspension blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219492712U (en) |
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2022
- 2022-12-19 CN CN202223393483.5U patent/CN219492712U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yin Hairi Inventor after: Mao Hongliang Inventor after: Wang Shengbing Inventor after: Zhang Da Inventor before: Yi Hairi Inventor before: Mao Hongliang Inventor before: Wang Shengbing Inventor before: Zhang Da |