CN220337089U - Waterproof type direct current brushless centrifugal fan - Google Patents
Waterproof type direct current brushless centrifugal fan Download PDFInfo
- Publication number
- CN220337089U CN220337089U CN202321394688.7U CN202321394688U CN220337089U CN 220337089 U CN220337089 U CN 220337089U CN 202321394688 U CN202321394688 U CN 202321394688U CN 220337089 U CN220337089 U CN 220337089U
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- China
- Prior art keywords
- fan
- end cover
- cover
- machine body
- fan blade
- Prior art date
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- 238000005192 partition Methods 0.000 claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229910000976 Electrical steel Inorganic materials 0.000 abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
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- 238000001035 drying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a waterproof direct-current brushless centrifugal fan which comprises a rear end cover, a first bearing, a Hall plate, a Hall, a capacitor, a lower wire frame, a stator, an upper wire frame, enameled wires, a machine body, an insulating gasket, a spring, a magnet, a balance copper block, a rotating shaft, a fan blade partition column, a second bearing, an end cover, a waterproof partition column, a front end cover, a lower fan cover, screws, fan blade inserts, fan blades and an upper fan cover, wherein the rear end cover is arranged on the machine body; the fan power part adopts a high-efficiency direct current brushless motor, the silicon steel sheet adopts a 0.2mm unoriented silicon steel sheet, the rotor magnet adopts high-temperature resistant sintered NdFeB, the motor casing adopts aviation aluminum profiles, the heat dissipation is fast, and the motor efficiency is up to 90%; the motor provides rotating speed and torque force to drive the fan blade to rotate, the fan blade rotates to suck air and then throws the air out through centrifugal force, and the cavity is designed into an Archimedean spiral structure, so that the air flow resistance is small and the efficiency is high.
Description
Technical field:
the utility model relates to the technical field of fans, in particular to a waterproof direct-current brushless centrifugal fan.
The background technology is as follows:
fans are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induced draft of boilers and industrial kilns; cooling and ventilation in air-conditioning devices and household appliances; drying and selecting grains; inflation and propulsion of wind tunnel wind source and air cushion ship, etc. The fan is a machine which relies on input mechanical energy to raise the pressure of gas and discharge the gas, and is a driven fluid machine. The fan is a habit short for gas compression and gas conveying machinery in China, and the current fan has the advantages of simple general structure, unsmooth air flow, high resistance and low efficiency, so a technology is needed to make up for the defect.
The utility model comprises the following steps:
the utility model aims to solve the problems and provide a waterproof direct current brushless centrifugal fan.
In order to solve the problems, the utility model provides a technical scheme that: a waterproof DC brushless centrifugal fan comprises a rear end cover, a first bearing, a Hall plate, a Hall, a capacitor, a lower wire frame, a stator, an upper wire frame, enameled wires, a machine body, an insulating gasket, a spring, a magnet, a balance copper block, a rotating shaft, a fan blade partition column, a second bearing, an end cover, a waterproof partition column, a front end cover, a lower fan cover, screws, a fan blade insert, fan blades and an upper fan cover; the fan blade is connected between the lower fan cover and the upper fan cover, and a fan blade insert is arranged on the fan blade; the front end cover is connected to the lower fan cover through a plurality of screws; the machine body is connected between the rear end cover and the front end cover; an end cover is arranged in the machine body; a waterproof partition column is arranged between the end cover and the front end cover; two ends of the rotating shaft are connected in the machine body through a first bearing and a second bearing respectively; the fan blade is fixedly connected to the left end of the rotating shaft; a stator is fixedly connected to the middle end of the machine body, and a lower wire frame and an upper wire frame are respectively and fixedly connected to two sides of the stator; the stator is provided with an enameled wire; the lower wire frame is provided with a Hall plate, and the Hall plate is provided with a Hall and a capacitor; the right end of the rotating shaft is also provided with a spring, a magnet and a balance copper block; an insulating gasket is arranged between the front end cover and the machine body.
Preferably, the spring is a wave spring.
Preferably, the side surface of the body is provided with a water outlet.
Preferably, the insulating spacer is a rubber insulating spacer.
The utility model has the beneficial effects that:
(1) The fan power part of the utility model adopts a high-efficiency DC brushless motor, the silicon steel sheet adopts a 0.2mm unoriented silicon steel sheet, the rotor magnet adopts high-temperature resistant sintered NdFeB, the motor casing adopts aviation aluminum profile, the heat dissipation is fast, and the motor efficiency is up to 90%.
(2) The motor provided by the utility model provides rotating speed and torque to drive the fan blade to rotate, the fan blade rotates to suck air and then is thrown out by centrifugal force, the cavity is designed into an Archimedean spiral structure, the air flow resistance is small, and the efficiency is high
(3) The bearing adopts a high-temperature-resistant waterproof structure, the front cover is additionally provided with a mechanical spiral labyrinth waterproof design, the mechanical air gap of the rotating part is less than 0.15mm, vapor dust is prevented from entering the bearing, the bearing adopts a ball bearing design, the bearing is maintenance-free throughout the life, the service life can reach 20000 hours, and the air outlet adopts a flange plate structure, so that the bearing is convenient for customers to install quickly.
(4) The motor shaft and fan blade direct connection design has the advantages of simple and reliable structure, easy production and assembly and laying a good foundation for batch automatic production.
(5) The running speed of the fan of the utility model is up to 27000rpm, the vibration is small, the noise is low, and the air quantity is up to 35m 3 And (3) the wind pressure reaches 4.5kpa, the fan can be applied to a high-humidity environment, the fan efficiency reaches 35%, a water outlet is formed in the side face, a small amount of liquid water can be sucked, and the phenomenon of accumulation cannot be formed after the liquid water is sucked.
Description of the drawings:
fig. 1 is a schematic structural view of the present utility model.
The specific embodiment is as follows:
as shown in fig. 1, the present embodiment adopts the following technical scheme: a waterproof DC brushless centrifugal fan comprises a rear end cover 1, a first bearing 2, a Hall plate 3, a Hall 4, a capacitor 5, a lower wire frame 6, a stator 7, an upper wire frame 8, an enameled wire 9, a machine body 10, an insulating gasket 11, a spring 12, a magnet 13, a balance copper block 14, a rotating shaft 15, a fan blade partition column 16, a second bearing 17, an end cover 18, a waterproof partition column 19, a front end cover 20, a lower fan cover 21, screws 22, a fan blade insert 23, fan blades 24 and an upper fan cover 25; the fan blades 24 are connected between the lower fan housing 21 and the upper fan housing 25, and fan blade inserts 23 are arranged on the fan blades 24; the front end cover 20 is connected to the lower fan cover 21 through a plurality of screws 22; the machine body 10 is connected between the rear end cover 1 and the front end cover 20; an end cap 18 is arranged in the machine body 10; a waterproof partition column 19 is arranged between the end cover 18 and the front end cover 20; two ends of the rotating shaft 15 are respectively connected in the machine body 10 through a first bearing 2 and a second bearing 17; the fan blade 24 is fixedly connected to the left end position of the rotating shaft 15; a stator 7 is fixedly connected to the middle end of the machine body 10, and a lower wire frame 6 and an upper wire frame 8 are respectively and fixedly connected to two sides of the stator 7; the stator 7 is provided with an enameled wire 9; the Hall plate 3 is arranged on the lower wire frame 6, and the Hall plate 3 is provided with a Hall 4 and a capacitor 5; the right end of the rotating shaft 15 is also provided with a spring 12, a magnet 13 and a balance copper block 14; an insulating spacer 11 is arranged between the front end cover 20 and the machine body 10.
Wherein the spring 12 is a wave spring; a water outlet is arranged on the side surface of the machine body 10; the insulating gasket 11 is a rubber insulating gasket.
The utility model has the advantages that: the fan power part adopts a high-efficiency direct current brushless motor, the silicon steel sheet adopts a 0.2mm unoriented silicon steel sheet, the rotor magnet adopts high-temperature resistant sintered NdFeB, the motor casing adopts aviation aluminum profiles, the heat dissipation is fast, and the motor efficiency is up to 90%; the motor provides rotating speed and torque force to drive the fan blades to rotate, the fan blades rotate to suck air and then throw the air out through centrifugal force, the cavity is designed into an Archimedean spiral structure, the air flow resistance is small, and the efficiency is high; the bearing adopts a high-temperature-resistant waterproof structure, a mechanical spiral labyrinth waterproof design is added on the front cover, a mechanical air gap of the rotating part is less than 0.15mm, steam dust is prevented from entering the bearing, the bearing adopts a ball bearing design, the bearing is maintenance-free throughout, the service life can reach 20000 hours, and the air outlet adopts a flange plate structure, so that the bearing is convenient for a customer to install quickly; the motor shaft and the fan blade are directly connected, so that the structure is simple and reliable, the production and the assembly are easy, and a good foundation is laid for batch automatic production; the running rotating speed of the fan is up to 27000rpm, the vibration is small, the noise is low, and the air quantity is up to 35m 3 And (3) the wind pressure reaches 4.5kpa, the fan can be applied to a high-humidity environment, the fan efficiency reaches 35%, a water outlet is formed in the side face, a small amount of liquid water can be sucked, and the phenomenon of accumulation cannot be formed after the liquid water is sucked.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims and their equivalents.
The control mode of the utility model is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power supply are common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and the wiring arrangement in detail.
Claims (4)
1. A waterproof type direct current brushless centrifugal fan, its characterized in that: the novel electric motor comprises a rear end cover (1), a first bearing (2), a Hall plate (3), a Hall (4), a capacitor (5), a lower wire frame (6), a stator (7), an upper wire frame (8), an enameled wire (9), a machine body (10), an insulating gasket (11), a spring (12), a magnet (13), a balance copper block (14), a rotating shaft (15), a fan blade partition column (16), a second bearing (17), an end cover (18), a waterproof partition column (19), a front end cover (20), a lower fan cover (21), screws (22), a fan blade insert (23), a fan blade (24) and an upper fan cover (25);
the fan blades (24) are connected between the lower fan cover (21) and the upper fan cover (25), and fan blade inserts (23) are arranged on the fan blades (24);
the front end cover (20) is connected to the lower fan cover (21) through a plurality of screws (22);
the machine body (10) is connected between the rear end cover (1) and the front end cover (20);
an end cover (18) is arranged in the machine body (10);
a waterproof partition column (19) is arranged between the end cover (18) and the front end cover (20);
two ends of the rotating shaft (15) are respectively connected in the machine body (10) through a first bearing (2) and a second bearing (17);
the fan blade (24) is fixedly connected to the left end of the rotating shaft (15);
a stator (7) is fixedly connected to the middle end position of the machine body (10), and a lower wire frame (6) and an upper wire frame (8) are respectively and fixedly connected to two sides of the stator (7);
an enameled wire (9) is arranged on the stator (7);
a Hall plate (3) is arranged on the lower wire frame (6), and a Hall (4) and a capacitor (5) are arranged on the Hall plate (3);
a spring (12), a magnet (13) and a balance copper block (14) are also arranged at the right end of the rotating shaft (15);
an insulating gasket (11) is arranged between the front end cover (20) and the machine body (10).
2. The waterproof type direct current brushless centrifugal fan according to claim 1, wherein: the spring (12) is a wave spring.
3. The waterproof type direct current brushless centrifugal fan according to claim 1, wherein: a water outlet is arranged on the side surface of the machine body (10).
4. The waterproof type direct current brushless centrifugal fan according to claim 1, wherein: the insulating gasket (11) is a rubber insulating gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321394688.7U CN220337089U (en) | 2023-06-02 | 2023-06-02 | Waterproof type direct current brushless centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321394688.7U CN220337089U (en) | 2023-06-02 | 2023-06-02 | Waterproof type direct current brushless centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220337089U true CN220337089U (en) | 2024-01-12 |
Family
ID=89444091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321394688.7U Active CN220337089U (en) | 2023-06-02 | 2023-06-02 | Waterproof type direct current brushless centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220337089U (en) |
-
2023
- 2023-06-02 CN CN202321394688.7U patent/CN220337089U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |