CN217029429U - Low-noise axial flow fan with double-layer structure air guide assembly and air conditioning unit - Google Patents
Low-noise axial flow fan with double-layer structure air guide assembly and air conditioning unit Download PDFInfo
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- CN217029429U CN217029429U CN202122582562.XU CN202122582562U CN217029429U CN 217029429 U CN217029429 U CN 217029429U CN 202122582562 U CN202122582562 U CN 202122582562U CN 217029429 U CN217029429 U CN 217029429U
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Abstract
The utility model provides a low-noise axial flow fan with a double-layer structure air guide assembly and an air conditioning unit, wherein the fan comprises a fan, a driving motor, a mesh enclosure and the air guide assembly, and the air guide assembly comprises a first air guide ring and a second air guide ring which are adjacently arranged; the first air guiding ring is arranged around the fan, the top of the first air guiding ring is bent towards one side far away from the fan to form a first fixing part, and the bottom of the first air guiding ring is bent towards one side far away from the fan to form a second fixing part; the second air guiding ring is arranged at the periphery of the first air guiding ring, the top of the second air guiding ring is bent towards one side close to the fan to form a third fixing part, and the bottom of the second air guiding ring is bent towards one side far away from the fan to form a fourth fixing part; the top of the first fixing part is detachably connected with the bottom of the third fixing part, and the top of the second fixing part is detachably connected with the fourth fixing part, so that an annular area is defined between the second air guiding ring and the first air guiding ring. The fan has a good noise reduction effect.
Description
Technical Field
The utility model relates to a fan, in particular to a low-noise axial flow fan with a double-layer structure air guide assembly and an air conditioning unit with the fan.
Background
One of the main noise sources of the air conditioning unit (especially the commercial air conditioning unit) is the noise of the axial flow fan, the air guide ring of the axial flow fan is generally integrally formed by stretching a cover plate metal plate and is limited by the transportation height of the unit and the stretching process of the metal plate, the height of the air guide ring of the axial flow fan is generally between 140mm and 350mm, and the noise reduction effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems, a first object of the present invention is to provide a low noise axial flow fan with a double-layer air guide assembly, which has a significantly improved noise reduction effect.
The second objective of the present invention is to provide an air conditioning unit, especially a commercial air conditioning blower, which is equipped with the low noise axial flow blower with the double-layer structure air guide assembly.
Based on the above purpose, one aspect of the present invention provides a low-noise axial flow fan with a wind guide assembly having a double-layer structure, including a fan, a driving motor, a mesh enclosure and a wind guide assembly, wherein the driving motor is connected to the bottom of the fan, the wind guide assembly is disposed in the circumferential direction of the fan, and the mesh enclosure covers and is fixed on the wind guide assembly, and the wind guide assembly includes a first wind guide ring and a second wind guide ring which are disposed adjacently; the first air guiding ring is arranged around the fan, the top of the first air guiding ring is bent towards one side far away from the fan to form a first fixing part, and the bottom of the first air guiding ring is bent towards one side far away from the fan to form a second fixing part; the second air guiding ring is arranged on the periphery of the first air guiding ring, the top of the second air guiding ring is bent towards one side close to the fan to form a third fixing part, and the bottom of the second air guiding ring is bent towards one side far away from the fan to form a fourth fixing part;
the top of the first fixing part is detachably connected with the bottom of the third fixing part, and the top of the second fixing part is detachably connected with the fourth fixing part, so that an annular area is defined between the second air guiding ring and the first air guiding ring.
Preferably, an annular sound absorbing device is arranged in the annular area, and the sound absorbing device is made of sound absorbing materials.
Preferably, the net cover comprises a support framework and a plurality of retaining rings which are arranged at intervals along the radial direction of the support framework.
Preferably, the mesh enclosure comprises at least three support frameworks, the support frameworks are straight rod-shaped, and two ends of each support framework are respectively fixed to the top of the air guide assembly.
Preferably, fixing holes are provided at both end portions of the support frame, so that the support frame can be fixed to the air guide assembly by screws.
Preferably, at least two sets of fixing holes are arranged at both ends of the support frame, so that the support frame can be fixed with the air guide assembly through screws.
In another aspect of the present invention, an air conditioning unit is provided, on which the low noise axial flow fan as described above is disposed.
Compared with the prior art, the utility model has the following beneficial effects:
by arranging the double-layer air guide assembly, the utility model can effectively reduce the noise of the fan and meet the use scene with higher requirement on the noise on the premise of not increasing the height of the unit.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application, and the description of the exemplary embodiments of the application are intended to be illustrative of the application and are not intended to limit the application.
FIG. 1 is a schematic view of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic structural diagram of a mesh enclosure in an embodiment of the utility model.
The device comprises a first air guide ring 1; 2. a second wind-guiding ring; 3. a sound absorbing device; 4. a fan; 5. a drive motor; 6. a mesh enclosure;
11. a first fixed part; 12. a second fixed part;
21. a third fixed part; 22. a fourth fixing portion;
61. a support framework; 62. a retainer ring; 63. and (7) fixing holes.
Detailed Description
The utility model is further described with reference to the following figures and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1 and fig. 2, the present embodiment provides a low-noise axial flow fan, which includes a fan 4, a driving motor 5, a mesh enclosure 6, and an air guide assembly, where the driving motor 5 is connected to the bottom of the fan 4, the air guide assembly is disposed in the circumferential direction of the fan 4, and the mesh enclosure 6 covers and is fixed on the air guide assembly, and is characterized in that the air guide assembly includes a first air guide ring 1 and a second air guide ring 2 that are disposed adjacently; the first wind-guiding ring 1 is arranged around the fan 4, the top of the first wind-guiding ring 1 is bent to the side far away from the fan 4 to form a first fixing part 11, and the bottom of the first wind-guiding ring 1 is bent to the side far away from the fan 4 to form a second fixing part 12; the second wind-guiding ring 2 is arranged at the periphery of the first wind-guiding ring 1, the top of the second wind-guiding ring 2 is bent towards one side close to the fan 4 to form a third fixing part 21, and the bottom of the second wind-guiding ring 2 is bent towards one side far away from the fan 4 to form a fourth fixing part 22;
the top of the first fixing portion 11 is detachably connected to the bottom of the third fixing portion 21, and the top of the second fixing portion 12 is detachably connected to the fourth fixing portion 22, so that an annular region is defined between the second wind-guiding ring 2 and the first wind-guiding ring 1.
In a preferred embodiment, an annular sound absorber 3 is disposed in the annular region, and the sound absorber 3 is made of a sound absorbing material.
As a preferred embodiment, as shown in fig. 3, the mesh cover 6 includes a supporting framework 61 and a plurality of retaining rings 62 arranged at intervals along a radial direction thereof.
In a preferred embodiment, the mesh cover 6 includes at least three supporting frames 61, each of the supporting frames 61 is a straight rod, and both ends of the supporting frame 61 are fixed to the top of the air guide assembly.
In a preferred embodiment, fixing holes 63 are disposed at both ends of the supporting frame 61, so that the supporting frame can be fixed to the air guide assembly by screws.
In a preferred embodiment, at least two sets of fixing holes 63 are disposed at both ends of the supporting frame 61, so that the supporting frame can be fixed to the air guide assembly by screws.
The embodiment also provides an air conditioning unit, which is provided with the low-noise axial flow fan.
By arranging the double-layer air guide assembly, the utility model can effectively reduce the noise of the fan and meet the use scene with higher requirement on the noise on the premise of not increasing the height of the unit.
Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the principle and spirit of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (7)
1. A low-noise axial flow fan with a double-layer structure air guide assembly comprises a fan, a driving motor, a mesh enclosure and the air guide assembly, wherein the driving motor is connected to the bottom of the fan; the first air guiding ring is arranged around the fan, the top of the first air guiding ring is bent towards one side far away from the fan to form a first fixing part, and the bottom of the first air guiding ring is bent towards one side far away from the fan to form a second fixing part; the second air guiding ring is arranged at the periphery of the first air guiding ring, the top of the second air guiding ring is bent towards one side close to the fan to form a third fixing part, and the bottom of the second air guiding ring is bent towards one side far away from the fan to form a fourth fixing part;
the top of the first fixing part is detachably connected with the bottom of the third fixing part, and the top of the second fixing part is detachably connected with the fourth fixing part, so that an annular area is defined between the second air guiding ring and the first air guiding ring.
2. The axial flow fan with low noise and air guide assembly having double-layer structure as claimed in claim 1, wherein an annular sound absorbing means is disposed in said annular region, and said sound absorbing means is made of sound absorbing material.
3. The low-noise axial flow fan with the wind guide assembly having the double-layer structure as claimed in claim 1, wherein the mesh enclosure comprises a supporting framework and a plurality of retaining rings arranged at intervals along a radial direction of the supporting framework.
4. The low-noise axial flow fan with a double-layer structure air guide assembly according to claim 3, wherein the mesh enclosure comprises at least three support frames, each support frame is a straight rod, and two ends of each support frame are respectively fixed to the top of the air guide assembly.
5. The low-noise axial flow fan with a double-layer structure air guide component as claimed in claim 4, wherein fixing holes are arranged at both ends of the support frame, so that the support frame can be fixed on the air guide component through screws.
6. The low-noise axial flow fan with the wind guide assembly having the double-layer structure as claimed in claim 4, wherein at least two sets of fixing holes are disposed at both ends of the supporting frame, so that the supporting frame can be fixed to the wind guide assembly by screws.
7. An air conditioning unit, characterized in that a low-noise axial flow fan having a double-layer structure air guide assembly as claimed in any one of claims 1 to 6 is disposed thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122582562.XU CN217029429U (en) | 2021-10-26 | 2021-10-26 | Low-noise axial flow fan with double-layer structure air guide assembly and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122582562.XU CN217029429U (en) | 2021-10-26 | 2021-10-26 | Low-noise axial flow fan with double-layer structure air guide assembly and air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217029429U true CN217029429U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122582562.XU Active CN217029429U (en) | 2021-10-26 | 2021-10-26 | Low-noise axial flow fan with double-layer structure air guide assembly and air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217029429U (en) |
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2021
- 2021-10-26 CN CN202122582562.XU patent/CN217029429U/en active Active
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