CN215890595U

CN215890595U - Fan with novel flow guide mechanism

Info

Publication number: CN215890595U
Application number: CN202122158756.7U
Authority: CN
Inventors: 赖进龙
Original assignee: Suzhou Longying Intelligent Technology Co ltd
Current assignee: Suzhou Longying Intelligent Technology Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-02-22
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a fan with a novel flow guide mechanism, which comprises a shell, a fan component, a fixing component and an air outlet component, wherein the fixing component fixes the fan component in the shell, and the air outlet component is arranged on one side of the fan component; the air outlet assembly comprises an air guide cover, an air guide plate is arranged at an air outlet of the air guide cover, and the air guide plate is of an arc-shaped structure. The utility model has simple structure, utilizes the air deflector to automatically turn the outlet air flow, and leads the air flow to be effectively guided to the corresponding space, thereby reducing the design cost and reducing the noise of the pipeline.

Description

Fan with novel flow guide mechanism

Technical Field

The utility model relates to the technical field of radiating fan structures, in particular to a fan with a novel flow guide mechanism.

Background

Nowadays, 3C products tend to be more and more light, thin, small and small, and the heat dissipation space is relatively more limited under the increasing power consumption, so that the electronic components are forced to operate in a frequency-reducing manner without ideal conditions, and further, active heat dissipation components are added, thereby increasing the cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fan with a novel flow guide mechanism, which is simple in structure, utilizes a wind guide plate to automatically turn the outlet airflow, and enables the airflow to be effectively guided to a corresponding space, thereby reducing the design cost and reducing the generation of pipeline noise.

In order to solve the technical problem, the utility model provides a fan with a novel flow guide mechanism, which is characterized by comprising a shell, a fan assembly, a fixing assembly and an air outlet assembly, wherein the fixing assembly fixes the fan assembly in the shell, and the air outlet assembly is arranged on one side of the fan assembly; the air outlet assembly comprises an air guide cover, an air guide plate is arranged at an air outlet of the air guide cover, and the air guide plate is of an arc-shaped structure.

Further, the fan assembly comprises an impeller and a central plate, and a positioning block is arranged on the central plate.

Further, the shell comprises a bottom plate and a cover plate, a limiting block is arranged on the bottom plate, and a limiting hole corresponding to the limiting block is formed in the cover plate.

Furthermore, the bottom plate and the cover plate are correspondingly provided with positioning holes.

Further, the fixing assembly comprises a fixing seat, a fixing plate and a fixing column, the fixing column and the fixing seat are fixed on the bottom plate, the central plate is arranged between the fixing seat and the fixing plate, a groove matched with the positioning block is formed in the fixing plate, and the fixing column is used for fixing the fixing plate.

Further, the fan assembly comprises a connecting assembly, wherein the connecting assembly is used for connecting an external power supply and driving the fan assembly to operate.

The utility model has the beneficial effects that: the device utilizes the air outlet assembly to guide the air of the fan, and meanwhile, the arc-shaped air deflector in the air outlet assembly can automatically turn the air outlet airflow, so that the design cost is reduced, and the noise of a pipeline is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the overall structure of the present invention.

Fig. 3 is a cross-sectional view of the overall structure of the prior art.

Fig. 4 is a schematic structural view of the air outlet assembly of the present invention.

Fig. 5 is a schematic structural view of the fixing assembly of the present invention.

FIG. 6 is a schematic view of a fan assembly according to the present invention.

Fig. 7 is a noise contrast diagram of the present invention.

Fig. 8 is a graph comparing the performance of the present invention.

The reference numbers in the figures illustrate: 1. a housing; 11. a base plate; 12. a cover plate; 13. a limiting block; 14. a limiting hole; 15. positioning holes; 2. a fan assembly; 21. an impeller; 22. a center plate; 3. an air outlet assembly; 31. a wind scooper 32 and a wind deflector; 4. a fixing assembly; 41. a fixed seat; 42. a fixing plate; 43. fixing a column; 44. a groove; 5. a connecting assembly is provided.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 6, an embodiment of a fan with a novel flow guide mechanism according to the present invention includes a housing 1, a fan assembly 2, a fixing assembly 4, and an air outlet assembly 3, wherein the fixing assembly 4 fixes the fan assembly 2 inside the housing 1, and the air outlet assembly 3 is disposed on one side of the fan assembly 2;

the shell 1 comprises a bottom plate 11 and a cover plate 12, wherein a limiting block 13 is arranged on the bottom plate 11, a limiting hole 14 corresponding to the limiting block 13 is arranged on the cover plate 12, and positioning holes 15 are correspondingly arranged on the bottom plate 11 and the cover plate 12;

the air outlet component 3 comprises an air guide cover 31, an air guide plate 32 is arranged at an air outlet of the air guide cover 31, and the air guide plate 32 is of an arc structure;

the fan assembly 2 comprises an impeller 21 and a central plate 22;

the fixing assembly 4 comprises a fixing seat 41, a fixing plate 42 and a fixing column 43, the fixing column 43 and the fixing seat 41 are both fixed on the bottom plate 11, the central plate 22 is arranged between the fixing seat 41 and the fixing plate 42, and the fixing column 43 is used for fixing the fixing plate 42;

when the device is used, firstly, the whole device is fixed at a preset position by matching a fixing part with the positioning hole 15, the connecting assembly 5 is used for connecting an external power supply and driving the fan assembly 2 to operate, the air outlet of the traditional fan is unidirectional linear air outlet, if the air outlet airflow is guided to different directions, an air guide cover is needed, an air guide plate 32 with an arc-shaped structure is further arranged in the air guide cover 31 of the device, the air outlet airflow can be automatically turned by utilizing the coanda effect (the fluid (water flow or airflow) deviates from the original flowing direction and is changed into a tendency of flowing along the surface of a convex object), when the surface friction exists between the fluid and the surface of the object through which the fluid flows (the fluid viscosity can be also called) as long as the curvature is not large, the fluid can flow along the surface of the object, and further, the design cost is reduced and the generation of pipeline noise is reduced.

As shown in fig. 7 to 8, compared with a general fan, the air deflector 32 having the circular arc structure can effectively reduce duct noise of the dome, and the air deflector 32 having the circular arc structure has a significantly lower overall sound pressure value and a higher PQ value at the same rotation speed.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the utility model is all within the protection scope of the utility model. The protection scope of the utility model is subject to the claims.

Claims

1. A fan with a novel flow guide mechanism is characterized by comprising a shell, a fan component, a fixing component and an air outlet component, wherein the fixing component fixes the fan component in the shell, and the air outlet component is arranged on one side of the fan component;

the air outlet assembly comprises an air guide cover, an air guide plate is arranged at an air outlet of the air guide cover, and the air guide plate is of an arc-shaped structure.

2. The fan with the novel guide mechanism as claimed in claim 1, wherein the fan assembly comprises an impeller and a center plate.

3. The fan with the novel flow guide mechanism as claimed in claim 1, wherein the housing comprises a bottom plate and a cover plate, the bottom plate is provided with a limiting block, and the cover plate is provided with a limiting hole corresponding to the limiting block.

4. The fan with the novel guide mechanism as claimed in claim 3, wherein the bottom plate and the cover plate are respectively provided with a positioning hole.

5. The fan with the novel guide mechanism as claimed in claim 3, wherein the fixing assembly comprises a fixing base, a fixing plate and a fixing column, the fixing column and the fixing base are both fixed on the bottom plate, and the fixing column is used for fixing the fixing plate.

6. The fan with the novel flow guide mechanism is characterized by comprising a connecting assembly, wherein the connecting assembly is used for connecting an external power supply and driving the fan assembly to operate.