CN214304463U - Fan with high efficiency aerodynamic surface holes - Google Patents
Fan with high efficiency aerodynamic surface holes Download PDFInfo
- Publication number
- CN214304463U CN214304463U CN202120297777.4U CN202120297777U CN214304463U CN 214304463 U CN214304463 U CN 214304463U CN 202120297777 U CN202120297777 U CN 202120297777U CN 214304463 U CN214304463 U CN 214304463U
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- frame
- fan
- wall
- flow guide
- guide wall
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Abstract
The utility model discloses a fan with high-efficient aerodynamic surface hole, including frame and the flabellum of setting in the frame, the flabellum can be in order to produce the fan air current at the frame internal rotation, the inner wall of frame is provided with the water conservancy diversion wall, the water conservancy diversion wall surrounds the flabellum setting, evenly distributed has a plurality of pits on the water conservancy diversion wall. Compare in the glossy fan of current frame inner wall, in this fan, the flabellum rotates and produces the fan air current, and the air current passes through before the inner wall of flabellum and frame, adds the water conservancy diversion wall at the inner wall of frame, because the pressure surface equipartition of water conservancy diversion wall has a plurality of pits, helps reducing flow resistance to avoid the phenomenon of fan air current runner jam. Meanwhile, the air flow formed by the fan air flow can be broken by the aid of the pits, further convolution is avoided, and the noise reduction effect of eliminating low-frequency noise can be achieved.
Description
Technical Field
The utility model relates to a fan technical field especially relates to fan with high-efficient aerodynamic surface hole.
Background
Computers, communication products, photoelectric products, consumer electronics, automotive electronics, and heat exchangers can generate heat during use, which affects the efficiency of the equipment. In order to cool down electronic equipment, fans are usually added to the equipment, but too many fans generate noise. The operating noise of the fan is more and more generally concerned, and the fan noise affects the working efficiency of users and causes interference to the surrounding environment. The existing fan frame surface only has a smooth oxide layer, the fan rotates the in-process, and the amount of wind and the wind pressure are not enough, can reduce the radiating effect, if increase fan mechanism's size, can produce the noise, and increased the air-out resistance and increased the occupation space in fan storehouse.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages, an object of the present invention is to provide a fan with a high-efficiency aerodynamic surface hole, which can increase the amount of wind and the pressure of wind and reduce the noise generated during the rotation of the fan.
In order to achieve the above purpose, the utility model discloses a technical scheme is: fan with high-efficient aerodynamic surface hole, including frame and the flabellum of setting in the frame, the flabellum can be in the frame rotation in order to produce fan air current, its characterized in that: the inner wall of the frame is provided with a flow guide wall, the flow guide wall is arranged around the fan blades, and a plurality of pits are uniformly distributed on the flow guide wall.
Further, the cross section of the flow guide wall is arc-shaped or trapezoid, two arc-shaped inclined planes and two trapezoid inclined planes respectively face the air inlet surface and the air outlet surface, the contact area of the flow guide wall and the wind is increased, and the resistance to wind flow is reduced.
Further, the pits are uniformly distributed on the surface of the flow guide wall in a honeycomb shape, and the pits are hemispherical or polygonal in section.
Further, the flow guide wall is fixedly connected with the inner wall of the frame through an adhesive layer or integrally formed with the frame; the flow guide wall is made of plastic or rubber materials.
Further, a support frame is arranged on one air inlet side of the frame, and the fan blades are connected to the support frame in a rotating mode and extend into the frame.
The supporting frame comprises a fixed plate and a plurality of air deflectors fixedly connected with the fixed plate, one end of each air deflector is fixedly connected with the outer edge of the fixed plate, the other end of each air deflector extends outwards to the frame and is fixedly connected with the frame, air inlet through holes are formed between the air deflectors, and the air deflectors are of arc structures or cross structures. The flow channel of the fan airflow is increased, so that the airflow flows uniformly, the vortex is not easy to generate, and the noise generated when the fan blades rotate is reduced.
The beneficial effects of the utility model reside in that: compare in the glossy fan of current frame inner wall the utility model discloses an in the fan, the flabellum rotates and produces the fan air current, and the air current passes through before the inner wall of flabellum and frame, sets up the water conservancy diversion wall at the inner wall of frame, because the pressure surface equipartition of water conservancy diversion wall has a plurality of pits, helps reducing the flow resistance to avoid the phenomenon of fan air current runner jam. Meanwhile, the air flow formed by the fan air flow can be broken by the aid of the pits, further convolution is avoided, and the noise reduction effect of eliminating low-frequency noise can be achieved.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a schematic perspective view of an embodiment of the present invention;
fig. 3 is a schematic structural view of a flow guide wall in an embodiment of the present invention;
fig. 4 is a cross-sectional view of an embodiment of the invention;
fig. 5 is a side view of an embodiment of the present invention.
In the figure:
1-frame, 2-flabellum, 3-guide wall, 31-pit, 4-fixed plate, 5-air deflector.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Examples
Referring to fig. 1-5, the fan with high aerodynamic surface holes of the present invention comprises a frame 1 and a fan blade 2 disposed in the frame 1, wherein the fan blade 2 can rotate in the frame 1 to generate a fan airflow. The air inlet side of frame 1 is provided with the support frame, flabellum 2 rotates to be connected on the support frame and extends into in the frame 1.
The supporting frame comprises a fixed plate 4 and a plurality of air deflectors 5 fixedly connected with the fixed plate 4, one end of each air deflector 5 is fixedly connected with the outer edge of the fixed plate 4, and the other end of each air deflector 5 extends outwards to the frame 1 and is fixedly connected with the frame 1. The number of the air deflectors 5 is four, the four air deflectors surround the fixed plate 4 and are uniformly arranged, air inlet through holes are formed among the air deflectors 5, and each air deflector 5 is of an arc-shaped structure. The number of the air deflectors 5 can also be four, so that a cross structure is formed. The air deflector 5 increases the flow channel of the fan airflow, so that the airflow flows uniformly, the vortex is not easy to generate, and the noise generated when the fan blade 2 rotates is reduced.
The inner wall of the frame 1 is provided with a flow guide wall 3, the flow guide wall 3 is arranged around the fan blades 2, and a plurality of pits 31 are uniformly distributed on the flow guide wall 3. Compare in the glossy fan of current 1 inner wall of frame the utility model discloses an in the fan, flabellum 2 rotates and produces the fan air current, and the air current passes through before flabellum 2 and frame 1's inner wall, sets up water conservancy diversion wall 3 at frame 1's inner wall, because the pressure surface equipartition of water conservancy diversion wall 3 has a plurality of pits 31, helps reducing the flow resistance to avoid the phenomenon of fan air current runner jam. Meanwhile, the plurality of pits 31 can also break the airflow formed by the fan airflow, so that further convolution is avoided, and further the noise reduction effect of eliminating low-frequency noise can be achieved.
The cross section of the flow guide wall 3 is arc-shaped or trapezoid, two arc-shaped inclined planes and two trapezoid inclined planes respectively face the air inlet surface and the air outlet surface, the contact area of the flow guide wall 3 and wind is increased, and the resistance to wind flow is reduced.
The pits 31 are uniformly distributed on the surface of the flow guide wall 3 in a honeycomb shape, and the pits 31 are hemispherical and 5mm deep. The cross section of the concave pit 31 may be polygonal, or quadrilateral, pentagonal, etc.
The flow guide wall 3 is fixedly connected with the inner wall of the frame 1 through an adhesive layer, and the flow guide wall 3 is made of plastic or rubber materials. The guide wall 3 can also be formed integrally with the frame 1.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (6)
1. Fan with efficient aerodynamic surface aperture, comprising a frame (1) and fan blades (2) arranged in the frame (1), said fan blades (2) being rotatable in the frame (1) for generating a fan airflow, characterized in that: the inner wall of the frame (1) is provided with a flow guide wall (3), the flow guide wall (3) is arranged around the fan blades (2), and a plurality of pits (31) are uniformly distributed on the flow guide wall (3).
2. The fan with high efficiency aerodynamic surface holes of claim 1 wherein: the section of the flow guide wall (3) is arc-shaped or trapezoid.
3. The fan with high efficiency aerodynamic surface holes of claim 1 wherein: the concave pits (31) are uniformly distributed on the surface of the flow guide wall (3) in a honeycomb shape, and the concave pits (31) are hemispherical or polygonal in section.
4. The fan with high efficiency aerodynamic surface holes of claim 1 wherein: the flow guide wall (3) is fixedly connected with the inner wall of the frame (1) through an adhesive layer or is integrally formed with the frame (1); the flow guide wall (3) is made of plastic or rubber materials.
5. The fan with high efficiency aerodynamic surface holes of claim 1 wherein: the air inlet side of frame (1) is provided with the support frame, flabellum (2) rotate to be connected on the support frame and extend into in the frame.
6. The fan with high efficiency aerodynamic surface holes of claim 5 wherein: the supporting frame comprises a fixed plate (4) and a plurality of air deflectors (5) fixedly connected with the fixed plate (4), one end of each air deflector (5) is fixedly connected with the outer edge of the fixed plate (4), the other end of each air deflector extends outwards to the frame (1) and is fixedly connected with the frame (1), air inlet through holes are formed among the air deflectors (5), and the air deflectors (5) are of arc structures or cross structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120297777.4U CN214304463U (en) | 2021-02-02 | 2021-02-02 | Fan with high efficiency aerodynamic surface holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120297777.4U CN214304463U (en) | 2021-02-02 | 2021-02-02 | Fan with high efficiency aerodynamic surface holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214304463U true CN214304463U (en) | 2021-09-28 |
Family
ID=77832753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120297777.4U Active CN214304463U (en) | 2021-02-02 | 2021-02-02 | Fan with high efficiency aerodynamic surface holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214304463U (en) |
-
2021
- 2021-02-02 CN CN202120297777.4U patent/CN214304463U/en active Active
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