CN214501587U

CN214501587U - Air purifying device

Info

Publication number: CN214501587U
Application number: CN202120302190.8U
Authority: CN
Inventors: 孟世飞; 郑小文
Original assignee: Fancheng Xiamen Intelligent Manufacturing Co ltd
Current assignee: Fancheng Xiamen Intelligent Manufacturing Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-26
Anticipated expiration: 2031-02-03

Abstract

The utility model relates to an air purification device, which comprises a casing and a wind wheel arranged in the casing; the wind wheel is a vertical shaft wind wheel with an air outlet arranged on the side surface; the shell is provided with an air inlet, an air outlet and an air duct extending to the air outlet; the air inlet of the shell is communicated with the air inlet of the wind wheel, and the air outlet of the wind wheel is communicated with the inlet of the air channel; the air duct is streamline and shrinks towards the direction of the air outlet of the casing, and air flowing out of the side face of the wind wheel is accelerated and then converged to the air outlet of the casing to be discharged. The air purification device accelerates the clean air by adopting the streamline contraction air channel, so that the air flow in the air channel is accelerated in a mode that the air at the air outlet generates high-speed collision to generate negative pressure difference, and the CADR value is improved by increasing the air output and accelerating the release speed of the clean air. The product can achieve high-efficiency air purification effect without large power consumption and size.

Description

Air purifying device

Technical Field

The utility model relates to an air purification technical field especially relates to an air purification device.

Background

An air purifier, also known as an air cleaner, an air freshener, and a purifier, refers to a product capable of adsorbing, decomposing, or converting various air pollutants (generally including PM2.5, dust, pollen, odor, formaldehyde, and other decoration pollutants, bacteria, allergens, and the like), and effectively improving air cleanliness, and is mainly classified into household, commercial, industrial, and building. The Air purification products vary from small to large, and the main parameters for showing the performance of the Air purifier are CADR values (Clean Air purification Rate). The existing products generally need to improve the CADR value by increasing the size of a poor product or increasing the fan power, but the problems of reduced convenience and increased power consumption of the air purifier follow the CADR value. Therefore, how to maintain a small size and a small power consumption while increasing the CADR value is an urgent problem to be solved in the industry at present.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide an air purifying device for solving the problems of large volume and high power of the existing air purifier.

An air purification device comprises a casing and a wind wheel arranged in the casing; the wind wheel is a vertical shaft wind wheel with an air outlet arranged on the side surface; the shell is provided with an air inlet, an air outlet and an air duct extending to the air outlet; the air inlet of the shell is communicated with the air inlet of the wind wheel, and the air outlet of the wind wheel is communicated with the inlet of the air channel; the air duct is streamline and shrinks towards the direction of the air outlet of the casing, and air flowing out of the side face of the wind wheel is accelerated and then converged to the air outlet of the casing to be discharged.

The casing is roughly cylindrical, an air outlet of the casing is arranged at the top of the casing, and an air inlet of the casing is arranged at the bottom of the casing.

In order to accelerate the wind in the air duct, an arc-shaped transition part which is contracted towards the air outlet is arranged between the side wall and the top of the shell; the side wall of the casing and the transition part jointly form a streamline shape and contract towards the air outlet direction of the casing, and the air flowing out of the side face of the wind wheel is accelerated and then converged to the air outlet of the casing to be discharged through the air duct.

In order to guide the air flow at the air outlet and enable the accelerated air to collide at a high speed at the middle position to generate a high-speed air flow beam and a negative pressure difference, the casing is internally provided with an arc-shaped flow blocking cover; the flow blocking cover is arranged at a position close to the air outlet in the machine shell and is bent and protruded towards the air outlet, and the flow blocking cover and the machine shell jointly form an air channel beside the air outlet.

The device comprises a blade, a wind wheel cover, a wind inlet, a wind outlet, a wind inlet air outlet, a wind outlet air inlet, a wind wheel cover, a wind inlet air outlet, a wind outlet air inlet air outlet; the wind wheel cover is a sealing cover plate which is sunken towards the direction of the air inlet, and the air flowing out of the wind wheel is guided to the inlet of the air channel.

Wherein, in order to improve fan efficiency, reduce fan noise, the wind wheel is hypsokinesis formula wind wheel.

Wherein, in order to enable the wind wheel to rotate at high speed to generate high wind pressure, the inclination angle of the blades of the wind wheel is more than 50 degrees.

Wherein, in order to make the wind pressure in the wind channel rise fast, the wind wheel air outlet is less than 20mm apart from the distance of casing side.

The utility model provides an efficient air purification device adopts streamlined shrink wind channel to accelerate clean air for the air flow in the wind channel is accelerated to the mode that the gaseous high-speed collision of air outlet department produced the negative pressure difference, through promoting the air output and accelerating the mode of clean gaseous release velocity in order to reach promotion CADR value. The product can achieve high-efficiency air purification effect without large power consumption and size.

Drawings

Fig. 1 is an overall schematic view of an embodiment of the air purification apparatus of the present invention;

fig. 2 is an overall schematic view of an embodiment of an air purification apparatus according to the present invention from another angle;

FIG. 3 is a cross-sectional view of an embodiment of the air purification apparatus shown in FIG. 1;

fig. 4 is a schematic view of a wind wheel structure of an embodiment of the air purification device of the present invention;

FIG. 5 is a top view of FIG. 4;

fig. 6 is a schematic view of an air duct and an air flow direction of an embodiment of the air purification device of the present invention;

fig. 7 is a schematic view of a flow blocking cover according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a housing; 11. an air inlet; 12. an air outlet; 2. a flow blocking cover; 3. a wind wheel; 31. a wind wheel cover; 5. an air duct.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is apparent that the specific details set forth in the following description are merely exemplary of the invention, which can be practiced in many other embodiments that depart from the specific details disclosed herein. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" 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," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

In an embodiment, referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 6, an air purifying apparatus includes a casing 1 and a wind wheel 3 disposed in the casing 1; the wind wheel 3 is a vertical axis wind wheel with an air outlet arranged on the side surface, wherein the vertical axis wind wheel is a wind wheel with the axis vertical to the horizontal plane or the air flow direction; the machine shell 1 is provided with an air inlet 11, an air outlet 12 and an air duct 5 extending to the air outlet 12; an air inlet 11 of the shell 1 is communicated with an air inlet of the wind wheel 3, and an air outlet of the wind wheel 3 is communicated with an inlet of the air duct 5; the air duct 5 is streamlined and shrinks towards the air outlet 12 of the casing 1, so that the air flowing out of the side surface of the wind wheel 3 is accelerated and then converged to the air outlet 12 of the casing 1 for discharge.

The utility model provides an efficient air purification device adopts streamlined shrink wind channel 5 to accelerate clean air for the air flow in wind channel 5 is accelerated to the mode that air outlet 12 department gas produced the high-speed collision and produces the negative pressure difference, through promoting the air output and accelerating clean gaseous release velocity in order to reach the mode that promotes the CADR value. The product can achieve high-efficiency air purification effect without large power consumption and size.

On the basis of the utility model, further, casing 1 roughly is the cylinder shape, and casing 1's air outlet 12 sets up in casing 1 top, and casing 1's air intake 11 sets up in casing 1 bottom. An arc transition part which is contracted towards the air outlet 12 is arranged between the side wall and the top of the machine shell 1; the side wall of the casing 1 and the transition part jointly form a streamline-shaped air duct 5 which shrinks towards the direction of the air outlet 12 of the casing 1, and the air flowing out of the side surface of the wind wheel 3 is accelerated by the air duct 5 and then converged to the air outlet 12 of the casing 1 for discharging.

The cylindrical casing 1 has the air inlet 11 and the air outlet 12 respectively arranged at the top and the bottom of the casing 1, so that the air duct 5 can be conveniently arranged, and the air in the air duct 5 can be accelerated by contracting the air duct 5 in order to reduce the volume of the casing 1. Of course, the casing 1 may be provided in other shapes, such as a rectangular parallelepiped, a truncated cone, etc.

Referring to fig. 7, in the present embodiment, the casing 1 further includes an arc-shaped flow blocking cover 2; the flow blocking cover 2 is arranged at a position close to the air outlet 12 in the machine shell 1, and is bent and protruded towards the air outlet 12, and the flow blocking cover 2 and the machine shell 1 jointly form an air duct 5 beside the air outlet 12.

It can be understood that the flow blocking cover 2 and the casing 1 form an outlet portion of the air duct 5 at the position of the air outlet 12 of the casing 1, and guides the air flow at the air outlet 12, so that the accelerated air collides at a high speed at a middle position, and a high-speed air flow beam and a negative pressure difference are generated.

Wherein, the sucked wind is ensured to be thrown out after being accelerated in the blades, so that the blades generate larger pressure difference on the two sides of the inlet wind and the outlet wind, the accelerated inlet wind is sucked into the outside air, and wind wheel covers 31 are arranged at the opposite positions of the inlet wind ports of the wind wheels 3; the wind wheel cover 31 is a sealing cover plate which is concave towards the direction of the air inlet, and guides the air flowing out of the wind wheel 3 to the inlet of the air duct 5. The sunken sealing cover plate forms an inclined plane, the wind at the air inlet of the wind wheel 3 is changed in direction and then led out from the side face of the wind wheel 3, and the wind enters the inlet of the air duct 5.

Specifically, in order to improve the fan efficiency and reduce the fan noise, the wind wheel 3 is a backward inclined wind wheel 3. Of course, the wind wheel 3 may also use a forward-leaning wind wheel 3, but a backward-leaning wind wheel 3 is preferred.

Referring to fig. 5, in order to generate high wind pressure by rotating the wind rotor 3 at a high speed, the inclination angle of the blades of the wind rotor 3 is greater than 50 degrees. In order to make the wind pressure in the wind channel 5 rise rapidly, the distance between the wind outlet 12 of the wind wheel 3 and the side surface of the machine shell 1 is less than 20 mm. In addition, the blade shape of the wind wheel 3 adopts the radian fall not higher than 3mm, and the air quantity and the high static pressure are improved under the condition of ensuring high wind pressure.

An efficient air purification device is provided. Under the condition of the optimal wind wheel 3 and the air channel 5 which are adjusted through repeated tests, the streamline contraction air channel 5 is adopted to accelerate the clean air, so that the air flow in the air channel 5 is accelerated in a mode that the air at the air outlet 12 generates high-speed collision to generate negative pressure difference, and the purposes of increasing the air output and accelerating the release speed of the clean air to achieve the purpose of increasing the CADR value are achieved. Has the advantages of small volume and low power consumption.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, substitutions and improvements can be made, and all of them should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. An air purification apparatus, comprising: the wind wheel is arranged in the shell; the wind wheel is a vertical shaft wind wheel with an air outlet arranged on the side surface; the shell is provided with an air inlet, an air outlet and an air duct extending to the air outlet; the air inlet of the shell is communicated with the air inlet of the wind wheel, and the air outlet of the wind wheel is communicated with the inlet of the air channel; the air duct is streamline and shrinks towards the direction of the air outlet of the casing, and air flowing out of the side face of the wind wheel is accelerated and then converged to the air outlet of the casing to be discharged.

2. The air purification apparatus as claimed in claim 1, wherein the housing is substantially cylindrical, the outlet of the housing is disposed at the top of the housing, and the inlet of the housing is disposed at the bottom of the housing.

3. The air purification device according to claim 2, wherein an arc-shaped transition part which is contracted towards the air outlet is arranged between the side wall and the top of the machine shell; the side wall of the casing and the transition part jointly form a streamline shape and contract towards the air outlet direction of the casing, and the air flowing out of the side face of the wind wheel is accelerated and then converged to the air outlet of the casing to be discharged through the air duct.

4. The air cleaning device according to claim 1, further comprising a curved flow blocking cover in the housing; the flow blocking cover is arranged at a position close to the air outlet in the machine shell and is bent and protruded towards the air outlet, and the flow blocking cover and the machine shell jointly form an air channel beside the air outlet.

5. The air purification device according to claim 1, wherein a wind wheel cover is arranged at a position opposite to the air inlet of the wind wheel; the wind wheel cover is a sealing cover plate which is sunken towards the direction of the air inlet, and the air flowing out of the wind wheel is guided to the inlet of the air channel.

6. The air purification apparatus of claim 1, wherein the wind wheel is a backward tilted wind wheel.

7. An air cleaning device according to claim 6, wherein the pitch of the blades of the wind wheel is greater than 50 degrees.

8. An air cleaning device according to claim 3, wherein the wind wheel outlet is less than 20mm from the side of the housing.