CN112539185A

CN112539185A - Gas treatment device

Info

Publication number: CN112539185A
Application number: CN202011250126.6A
Authority: CN
Inventors: 付山; 李彬; 张岩
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-03-23

Abstract

The invention relates to the technical field of air treatment, in particular to a gas treatment device. The gas treatment device comprises a shell component and an impeller, wherein the shell component comprises a shell and a wind guide structure, the side wall of the shell is provided with a wind outlet, and the wind guide structure is arranged at the wind outlet; the impeller is arranged in the shell, and the air outlet direction is consistent with the air guide direction of the air guide structure. The defects of large wind resistance and large noise in the prior art are overcome.

Description

Gas treatment device

Technical Field

The invention relates to the technical field of air treatment, in particular to a gas treatment device.

Background

With the higher and higher requirements of people on the quality of life, small household appliances with small volume and good performance are more and more favored by consumers. Some gas treatment devices, such as air purifiers, are becoming increasingly important in human life.

The utility model provides a warm air blower, includes the shell, establishes the fan in the shell, is equipped with the air outlet on the shell, the air outlet sets up along the circumference of shell. The orientation of air outlet is the horizontal direction, and the air-out wind direction of fan is vertical direction, and the orientation of air outlet is perpendicular with the air-out direction, leads to the windage big, and the noise is big.

Disclosure of Invention

Therefore, the technical problem to be solved by the present invention is to overcome the defects of large wind resistance and large noise in the prior art, and to provide a gas processing device with small wind resistance and low noise.

A gas treatment device comprising:

the shell assembly comprises a shell and an air guide structure, wherein an air outlet is formed in the side wall of the shell, and the air guide structure is arranged at the air outlet;

the impeller is arranged in the shell, and the air outlet direction of the impeller is consistent with the air guide direction of the air guide structure.

Optionally, the wind guiding structure includes:

at least one guide vane extending obliquely upward from an inner side of the casing to an outer side of the casing;

and the connecting structure is in cross connection with the guide vanes, and two ends of the connecting structure are respectively connected to the upper wall surface and the lower wall surface of the air outlet.

Optionally, the guide vanes are provided with a plurality of adjacent guide vanes, and the distance between every two adjacent guide vanes gradually decreases along the wind guiding direction.

Optionally, the guide vanes are provided with a plurality of guide vanes, the distance h between every two adjacent guide vanes is satisfied, and h is greater than or equal to 6mm and less than or equal to 8 mm.

Optionally, the upper wall surface and the lower wall surface both extend obliquely upward from the inner side of the housing to the outer side of the housing.

Optionally, a distance between the upper wall surface and the lower wall surface gradually decreases along the wind guiding direction.

Optionally, the guide vane has a plurality; the connecting structure comprises at least one connecting rib which is sequentially connected with each guide vane; the connecting ribs are of plate-shaped structures, and the plate surfaces of the connecting ribs are in the same direction with the air outlet direction of the blades from the inclined direction of the inner sides of the connecting ribs to the outer sides of the connecting ribs.

Optionally, the air guiding direction and the air outlet direction are both inclined upwards.

Optionally, the impeller comprises a front cover, a rear cover, and blades connected between the front cover and the rear cover; an impeller outlet suitable for air outlet is formed between the front cover and the rear cover, one surface of the front cover forming the impeller outlet is a lower air outlet surface, and one surface of the rear cover forming the impeller outlet is an upper air outlet surface; the lower air outlet surface and the upper air outlet surface are both obliquely and upwards extended from the inner side of the impeller to the outer side of the impeller.

Optionally, a front cover outlet angle is formed between the outer edge of the lower air outlet surface and a horizontal plane, and a lower wall surface inlet angle is formed between the inner edge of the lower wall surface and the horizontal plane;

a rear cover outlet angle is formed between the outer edge of the upper air outlet surface and a horizontal plane, and an upper wall surface inlet angle is formed between the inner edge of the upper wall surface and the horizontal plane;

the front cover exit angle is equal to the lower wall face entrance angle, and/or the back cover exit angle is equal to the upper wall face entrance angle.

Optionally, the front cover exit angle is less than or equal to the back cover exit angle; and the included angle between the inner edge of each guide vane and the horizontal plane is gradually increased from bottom to top in a mode of increasing the angle alpha one by one.

Optionally, the angle α satisfies:

α＝(β-δ)/(x+1)；

wherein β is the upper wall inlet angle, δ is the lower wall inlet angle, and x is the number of guide vanes.

Optionally, the upper wall surface is higher than the upper air outlet surface, and/or the lower wall surface is lower than the lower air outlet surface.

Optionally, the impeller outlet is disposed proximate to the air outlet.

Optionally, the impeller is a backward centrifugal impeller.

Optionally, there is a space a between the vane and the impeller; the interval a is satisfied, and a is more than or equal to 10mm and less than or equal to 14 mm.

Optionally, the gas treatment device is an air purifier.

The technical scheme of the invention has the following advantages:

1. according to the gas treatment device provided by the invention, the air outlet direction of the impeller is consistent with the air guide direction of the air guide structure, the direction of gas exhausted from the impeller does not need to be changed in the air guide process, the wind resistance is reduced, and the noise is reduced; and reduces the air volume loss caused by the air in the process of changing the direction.

2. The air guide structure provided by the invention comprises the guide vane which extends upwards from the inner side of the shell to the outer side of the shell in an inclined manner, so that the air exhausted from the impeller is guided by the guide vane and then is exhausted upwards along a certain angle, and the air volume circulating radiation area of the air purifier is increased.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a cross-sectional view of a gas treatment device of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of a gas treatment apparatus of the present invention;

FIG. 4 is a cross-sectional view of the housing assembly of the present invention;

FIG. 5 is a schematic view of an impeller of the present invention;

FIG. 6 is a schematic view of an impeller of the present invention;

description of reference numerals:

1-a housing assembly; 11-a housing; 111-air inlet; 112-air outlet; 1121-upper wall surface; 1122-lower wall surface; 12-an air guide structure; 121-guide vanes; 122-a connecting structure; 2-an impeller; 21-front cover; 22-rear cover; 23-a blade; 24-impeller outlet; 241-upper air outlet surface; 242-lower air outlet surface; 3-a controller; 4-a motor; 5-a current collector; 6-filtering the screen; 7-a top cover; 8-base.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 6, the present embodiment provides a gas processing apparatus, including an outer shell assembly 1 and an impeller 2, where the outer shell assembly 1 includes a shell 11 and a wind guiding structure 12, a wind outlet 112 is provided on a side wall of the shell 11, and the wind guiding structure 12 is provided at the wind outlet 112; the impeller 2 is arranged in the casing 11, and the air outlet direction is consistent with the air guide direction of the air guide structure 12.

The air outlet direction of the impeller 2 is consistent with the air guide direction of the air guide structure 12, the direction of air discharged from the impeller 2 does not need to be changed in the air guide process, the wind resistance is reduced, and the noise is reduced; and reduces the air volume loss caused by the air in the process of changing the direction. The housing 11 is further provided with an air inlet 111, and the air inlet 111 may be disposed on a side wall of the housing 11, or may be disposed on a bottom wall or a top wall of the housing 11.

In an embodiment, the air outlets 112 are distributed along the circumferential direction of the housing 11, and divide the housing 11 into an upper shell and a lower shell, so that 360-degree side air outlet is realized, and the air outlet range is wide.

In this embodiment, the air guiding structure 12 includes a plurality of guide vanes 121 and a connecting structure 122, and the guide vanes 121 extend obliquely upward from the inner side of the casing 11 to the outer side of the casing 11; the connecting structure 122 is cross-connected to the guide vane 121, and two ends of the connecting structure are respectively connected to the upper wall surface 1121 and the lower wall surface 1122 of the air outlet 112.

Guide vane 121 achieves the air guiding effect, and connecting structure 122 connects guide vane 121 and housing 11 together. The housing 11 is integrally formed, and the air guide structure 12 is processed on the housing 11. The guide vane 121 extends upwards from the inner side of the casing 11 to the outer side of the casing 11 in an inclined manner, so that the air discharged from the impeller 2 is guided by the guide vane 121 and then discharged upwards along a certain angle, and the air volume circulation radiation area of the air purifier is increased.

In this embodiment, the guide vanes 121 are provided with a plurality of adjacent two, and the distance between the guide vanes 121 gradually decreases in the air guide direction, so that the air outlet speed of the air outlet 112 is increased, and the purification range is expanded.

In this embodiment, the guide vanes 121 are provided in plurality, and the distance h between two adjacent guide vanes 121 satisfies, and h is greater than or equal to 6mm and less than or equal to 8 mm. Guarantee to accord with the ann rule, prevent that user, especially young child's finger or other parts from inserting between stator 121, and then touch impeller 2, be hurt by rotatory impeller 2.

The distance between two adjacent guide vanes 121 is 6mm, which meets safety regulations and does not hurt users. The distance between two adjacent guide vanes 121 is 8mm, and the guide vanes conform to safety regulations and cannot hurt users. Preferably, the distance between two adjacent guide vanes 121 is 7mm, which meets safety regulations and does not hurt users.

In this embodiment, both the upper wall surface 1121 and the lower wall surface 1122 extend obliquely upward from the inside of the housing 11 to the outside of the housing 11. The upper wall surface 1121 and the lower wall surface 1122 have the same inclination direction as the guide vane 121, and also play a role of guiding wind, reducing wind resistance, and reducing noise.

In this embodiment, the distance between the upper wall surface 1121 and the lower wall surface 1122 gradually decreases in a small range along the air guiding direction, so as to increase the air outlet speed of the air outlet 112 and expand the purification range.

As an alternative embodiment, the air guiding structure 12 may include one guide vane 121, two guide vanes 121, or three or more guide vanes 121, and the distance between the upper wall surface 1121 and the lower wall surface 1122 is approximately large, and the distance between the upper wall surface 1121 and the lower wall surface 1122 is smaller and the guide vanes 121 are smaller as the number of the guide vanes 121 is larger.

In the present embodiment, the guide vane 121 has a plurality; the connecting structure 122 includes a plurality of connecting ribs which sequentially connect the guide vanes 121; the connecting ribs are of plate-shaped structures, and the plate surfaces of the connecting ribs are in the same direction with the air outlet direction of the blades 23 from the inclined direction of the inner sides of the connecting ribs to the outer sides. Reduce the area of keeping out the wind of splice bar, reduce the noise, reduce the air-out windage. The provision of a plurality of connecting ribs also enhances the strength of the air guiding structure 12.

As an alternative embodiment, the connecting structure 122 comprises one connecting rib, or two connecting ribs or three connecting ribs, or even more connecting ribs.

The angle between the connecting rib and the radial direction of the shell 11 is between 40 degrees and 70 degrees.

In this embodiment, the air guiding direction and the air outlet direction are both inclined upward. The wind resistance is reduced, and the air volume circulating radiation area of the gas treatment device is increased.

In this embodiment, the impeller 2 includes a front cover 21, a rear cover 22, and a vane 23 connected between the front cover 21 and the rear cover 22; an impeller outlet 24 suitable for air outlet is formed between the front cover 21 and the rear cover 22, a lower air outlet surface 242 is formed on one surface of the front cover 21 forming the impeller outlet 24, and an upper air outlet surface 241 is formed on one surface of the rear cover 22 forming the impeller outlet 24; the lower air outlet surface 242 and the upper air outlet surface 241 both extend obliquely upward from the inner side of the impeller 2 to the outer side of the impeller 2, so that the air outlet direction of the impeller 2 is obliquely upward and is consistent with the air guide direction of the air guide structure 12. The impeller 2 is used for supplying air from the front cover 21 and discharging air from an impeller outlet 24.

In this embodiment, an outlet angle of the front cover 21 is formed between the outer edge of the lower air outlet face 242 and a horizontal plane, and an inlet angle of the lower wall face 1122 is formed between the inner edge of the lower wall face 1122 and the horizontal plane; an outlet angle of the rear cover 22 is formed between the outer edge of the upper air outlet surface 241 and a horizontal plane, and an inlet angle of an upper wall surface 1121 is formed between the inner edge of the upper wall surface 1121 and the horizontal plane; the outlet angle of the front cover 21 is equal to the inlet angle of the lower wall 1122, and the outlet angle of the rear cover 22 is equal to the inlet angle of the upper wall 1121 to reduce wind resistance.

Alternatively, the outlet angle of the front cover 21 may be equal to the inlet angle of the lower wall surface 1122, or the outlet angle of the rear cover 22 may be equal to the inlet angle of the upper wall surface 1121. The wind resistance can be reduced, but if the exit angle of the front cover 21 is not equal to the entrance angle of the lower wall surface 1122, and the exit angle of the rear cover 22 is equal to the entrance angle of the upper wall surface 1121, the effect of reducing the wind resistance is good.

In this embodiment, the outlet angle of the front cover 21 is smaller than or equal to the outlet angle of the rear cover 22; the included angle between the inner edge of each guide vane 121 and the horizontal plane increases gradually from bottom to top in a manner of increasing the angle α. Further reducing the wind resistance and reducing the rotation noise of the impeller 2.

In this embodiment, the angle α satisfies:

α＝(β-δ)/(x+1)；

wherein β is an inlet angle of the upper wall surface 1121, δ is an inlet angle of the lower wall surface 1122, and x is the number of the guide vanes 121.

Preferably, an outlet angle of the lower wall 1122 is formed between the outer edge of the lower wall 1122 and the horizontal plane; an outlet angle of the upper wall surface 1121 is formed between the outer edge of the upper wall surface 1121 and the horizontal plane; in the above relational expression, β may be an exit angle of the upper wall surface 1121, and δ may be an exit angle of the lower wall surface 1122.

In this embodiment, the upper wall surface 1121 is higher than the upper air outlet surface 241, and the lower wall surface 1122 is lower than the lower air outlet surface 242. The wind guided out from the impeller 2 flows into the wind guide structure 12 without blocking, and the wind resistance is reduced. Preferably, the upper wall surface 1121 is higher than the upper air outlet surface 241 by 1mm, and the lower wall surface 1122 is lower than the lower air outlet surface 242 by 1 mm.

In this embodiment, the impeller outlet 24 is disposed near the air outlet 112, so as to reduce air loss.

In this embodiment, the impeller 2 is a backward centrifugal impeller 2. The centrifugal impeller 2 can change the wind direction, changes the wind from the axial direction to the radial direction, can enable the side surface of the shell 11 of the gas processing device to enter the wind, and the side surface of the shell 11 to discharge the wind, does not need the guide of an air duct, and reduces the loss of the wind quantity. And the backward centrifugal impeller 2 has smaller power and lower noise under the same rotating speed.

As an alternative embodiment, the impeller 2 may be a forward centrifugal impeller 2.

In the present embodiment, the guide vane 121 and the impeller 2 have a space a therebetween; the interval a is satisfied, and a is more than or equal to 10mm and less than or equal to 14 mm. And the air quantity loss is reduced.

The guide vanes 121 are spaced 10mm from the impeller 2; alternatively, the guide vane 121 is spaced from the impeller 2 by 14 mm.

In this embodiment, gas processing apparatus is air purifier, air purifier is desk-top air purifier, and is small, can realize 360 side air-outs, promotes CADR, noise reduction. The air purifier comprises a shell assembly 1, an impeller 2, a controller 3, a motor 4, a current collector 5 and a filter screen 6, wherein the shell assembly 1 comprises a shell 11, a top cover 7 and a base 8. The motor 4 is in a power output structure. The controller 3 has the functions of switching on and off, speed regulation and the like, and controls the operation of the whole air purifier. The current collector 5 is provided with a grid consisting of rings and strips, and has the functions of dividing and integrating airflow, reducing the turbulent flow of the airflow and reducing noise. The filter 6 is disposed between the intake opening 111 and the outtake opening 112 for filtering air.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A gas processing apparatus, comprising:

the air conditioner comprises a shell assembly (1) and a fan, wherein the shell assembly (1) comprises a shell (11) and an air guide structure (12), an air outlet (112) is formed in the side wall of the shell (11), and the air guide structure (12) is arranged at the air outlet (112);

and the impeller (2) is arranged in the shell (11), and the air outlet direction is consistent with the air guide direction of the air guide structure (12).

2. The gas treatment device according to claim 1, wherein the air guiding structure (12) comprises:

at least one guide vane (121) extending obliquely upward from the inside of the casing (11) to the outside of the casing (11);

and the connecting structure (122) is in cross connection with the guide vane (121), and two ends of the connecting structure are respectively connected to the upper wall surface (1121) and the lower wall surface (1122) of the air outlet (112).

3. The gas treatment device according to claim 2, wherein the guide vanes (121) are provided in plurality, and a distance between two adjacent guide vanes (121) is gradually reduced along the wind guide direction.

4. The gas treatment device according to claim 2, wherein the guide vanes (121) are provided in plurality, and a distance h between two adjacent guide vanes (121) is equal to or less than 6mm and equal to or less than 8 mm.

5. The gas processing apparatus according to claim 2, wherein the upper wall surface (1121) and the lower wall surface (1122) each extend obliquely upward from an inner side of the housing (11) to an outer side of the housing (11).

6. The gas treatment device according to claim 5, wherein a distance between the upper wall surface (1121) and the lower wall surface (1122) is gradually reduced in the air guiding direction.

7. The gas treatment device according to claim 2, wherein the guide vane (121) has a plurality; the connecting structure (122) comprises at least one connecting rib which is used for sequentially connecting each guide vane (121); the connecting ribs are of plate-shaped structures, and the plate surfaces of the connecting ribs are in the same direction with the air outlet direction of the impeller (2) from the inclined direction of the inner sides of the connecting ribs to the outer sides.

8. A gas treatment device according to any of claims 2-7, characterized in that the impeller (2) comprises a front cover (21), a rear cover (22), and vanes (23) connected between the front cover (21) and the rear cover (22); an impeller outlet (24) suitable for air outlet is formed between the front cover (21) and the rear cover (22), one surface of the front cover (21) forming the impeller outlet (24) is a lower air outlet surface (242), and one surface of the rear cover (22) forming the impeller outlet (24) is an upper air outlet surface (241); the lower air outlet surface (242) and the upper air outlet surface (241) both extend upwards from the inner side of the impeller (2) to the outer side of the impeller (2) in an inclined manner.

9. The gas processing apparatus according to claim 8,

an outlet angle of a front cover (21) is formed between the outer edge of the lower air outlet surface (242) and a horizontal plane, and an inlet angle of a lower wall surface (1122) is formed between the inner edge of the lower wall surface (1122) and the horizontal plane;

an outlet angle of a rear cover (22) is formed between the outer edge of the upper air outlet face (241) and a horizontal plane, and an inlet angle of an upper wall face (1121) is formed between the inner edge of the upper wall face (1121) and the horizontal plane;

the front cover (21) outlet angle is equal to the lower wall (1122) inlet angle, and/or the rear cover (22) outlet angle is equal to the upper wall (1121) inlet angle.

10. The gas treatment device according to claim 9, wherein the front cover (21) outlet angle is equal to or less than the rear cover (22) outlet angle; the included angle between the inner edge of each guide vane (121) and the horizontal plane is gradually increased from bottom to top in a mode of increasing the angle alpha.

11. The gas processing device according to claim 10, wherein the angle α satisfies:

α＝(β-δ)/(x+1)；

wherein β is an inlet angle of the upper wall surface (1121), δ is an inlet angle of the lower wall surface (1122), and x is the number of the guide vanes (121).

12. The gas processing apparatus according to claim 10, wherein the upper wall surface (1121) is higher than the upper outlet air surface (241), and/or the lower wall surface (1122) is lower than the lower outlet air surface (242).

13. The gas treatment device according to claim 8, wherein the impeller outlet (24) is disposed proximate to the air outlet (112).

14. A gas treatment device according to claim 8, characterized in that the impeller (2) is a backward centrifugal impeller (2).

15. The gas treatment device according to any of claims 2-7, wherein there is a space a between the guide vane (121) and the impeller (2); the interval a is satisfied, and a is more than or equal to 10mm and less than or equal to 14 mm.

16. The gas treatment device of claim 1, wherein the gas treatment device is an air purifier.