Laminar flow type fresh air disinfecting and cleaning screen

Abstract

The utility model discloses a laminar flow type fresh air disinfection cleaning screen, which comprises a box body and a fan, the box body is provided with a static pressure inner shell, a fluid channel is arranged between the static pressure inner shell and the inner wall of the box body, and the upper wall and the bottom wall of the static pressure inner shell are respectively provided with a fluid inlet and a fluid outlet; the box body is provided with a fresh air opening communicated with the fluid channel, a primary filter screen is arranged between the fresh air opening and the fluid inlet, the fan comprises a rotating motor arranged in the static pressure inner shell and an impeller arranged on the rotating motor, an air inlet opposite to the fluid inlet is formed in the upper end of the impeller, and an air outlet is formed in the peripheral wall of the impeller. A filtering cavity is defined between the air outlet and the fluid outlet; the filtering cavity is provided with a high-frequency pulse low-temperature plasma device; and the microporous electrostatic high-voltage dust collection and purification device comprises an electrostatic net and an efficient filter net arranged below the electrostatic net. The purification and disinfection efficiency is improved, no dead corner exists in disinfection, and the filtering efficiency reaches the H14 level.

Description

Technical Field

[0001] The utility model relates to the field of air purification and disinfection devices, in particular to a laminar flow type fresh air disinfection clean screen. Background Art

[0002] Existing air purification and disinfection in closed places (such as hospitals, public places, etc.) generally adopts a high-efficiency filtration + UV light disinfection mode. The filter has large resistance, so when there are many foreign objects in it, it needs to be replaced regularly. It is not environmentally friendly and is troublesome to install and disassemble.

[0003] At the same time, the disinfection and sterilization range of UV lamps is limited, and the entire cavity cannot be disinfected, and a complete disinfection effect cannot be guaranteed. At the same time, existing products have high power (UV lamps are generally equipped with multiple ones), so the electricity bill is high. Utility Model Content

[0004] The main purpose of the utility model is to propose a laminar fresh air disinfection clean screen, which aims to use a high-frequency pulse low-temperature plasma disinfection method combined with microporous electrostatic purification technology, while having stronger suction power, it can collect microorganisms and bacteria on particulate matter and kill and decompose them in a strong electric field;

[0005] At the same time, the super-large air outlet surface adopts four-sided inclined air outlet and the middle vertical air outlet method to reduce the fluid flow resistance, make the air outlet smoother and more uniform, and make the indoor air purification and disinfection device fresh and beautiful in appearance.

[0006] In order to achieve the above purpose, the utility model proposes a laminar flow type fresh air disinfection clean screen, comprising:

[0007] A box body, wherein the box body is provided with a static pressure inner shell, a fluid channel is provided between the static pressure inner shell and the inner wall of the box body, and the upper wall and the bottom wall of the static pressure inner shell are respectively provided with a fluid inlet and a fluid outlet;

[0008] The box body is provided with a fresh air inlet connected to the fluid channel, and a primary filter is provided between the fresh air inlet and the fluid inlet;

[0009] A fan, the fan comprising a rotating motor disposed in a static pressure inner shell and an impeller disposed in the rotating motor, an upper end of the impeller being provided with an air inlet disposed opposite to a fluid inlet, an outer peripheral wall of the impeller being provided with an air outlet, and a filter chamber being enclosed between the air outlet and the fluid outlet;

[0010] The filter chamber is provided with a high-frequency pulse low-temperature plasma device;

[0011] The filter chamber is provided with a microporous electrostatic high-pressure dust collection and purification device of suitable size and shape;

[0012] The microporous electrostatic high-pressure dust collection and purification device comprises an electrostatic net and a high-efficiency filter net arranged below the electrostatic net.

[0013] In the actual design of the technical solution of the utility model, the box is divided into two chambers, namely the static pressure inner shell and the fluid channel, so as to ensure that the air is fully disinfected and filtered after passing through the fan, avoiding the air filtration blind area, and the air flow adopts the vertical laminar flow form (that is, vertically downward after lateral flow), and the static pressure inner shell is designed inside to achieve a completely sealed state in the internal cavity;

[0014] The filtration and disinfection device includes a primary filter, a high-frequency pulse low-temperature plasma device, an electrostatic net and a high-efficiency filter, which can adsorb and disinfect floating dust, microorganisms and bacteria, actively release plasma into the air, improve the purification and disinfection efficiency, and ensure that there are no dead angles in the disinfection, ensuring that its filtration efficiency reaches the H14 level.

[0015] The primary filter achieves preliminary filtration of the air, for example, it filters out particles with larger diameters without affecting the flow of air.

[0016] The high-frequency pulse low-temperature plasma device releases a large amount of plasma, and the plasma moves irregularly in the air, which can fully cover the entire cavity and disinfect the entire area.

[0017] The electrostatic net adopts the principle of high-voltage electrostatic adsorption, with a power of less than 10W, and the microporous electrostatic structure is arranged in an irregular shape to form an electrostatic net on the whole surface, so that the air circulation area is larger, thereby making the air flow smoother and more uniform, and the resistance is less than 15Pa;

[0018] The high-efficiency filter uses an H12 filter to achieve a 99% filtration effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a cross-sectional view of the utility model when the fresh air outlet is arranged on the side wall of the box;

[0020] Figure 2 This is a half-section diagram of the utility model when the fresh air outlet is arranged on the top wall of the box;

[0021] Figure 3 This is a schematic diagram of the rear half section of the hidden box and the static pressure inner shell of the utility model;

[0022] Figure 4 It is a three-dimensional schematic diagram of the utility model.

[0023] In the figure, 1 is a box, 10 is a fresh air outlet, and 11 is a fluid channel.

[0024] 2 is a static pressure inner shell, 20 is a filter chamber, 21 is a fluid inlet, 22 is a fluid outlet,

[0025] 3 is a fan, 301 is a rotating motor, 302 is an impeller, 31 is an air inlet, 32 is an air outlet,

[0026] 4 is a plasma device,

[0027] 5 is a primary filter, 51 is an electrostatic filter, 52 is a high efficiency filter,

[0028] 61 is the first guide part, 62 is the second guide part, and 7 is the diffuser panel. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...), then the directional indication is only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] In addition, if there are descriptions involving "first" or "second" etc. in the embodiments of the utility model, the descriptions of "first" or "second" etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0032] like Figures 1 to 4 As shown, a laminar flow fresh air disinfection clean screen includes:

[0033] A box body 1, wherein the box body 1 is provided with a static pressure inner shell 2, a fluid channel 11 is provided between the static pressure inner shell 2 and the inner wall of the box body 1, and a fluid inlet 21 and a fluid outlet 22 are provided at the upper end and the bottom end of the static pressure inner shell 2 respectively;

[0034] The box body 1 is provided with a fresh air inlet 10 connected to the fluid channel 11, and a primary filter 5 is provided between the fresh air inlet 10 and the fluid inlet 21;

[0035] The fan 3 includes a rotating motor 301 disposed on the static pressure inner shell 2 and an impeller 302 disposed on the rotating motor 301. The upper end of the impeller 302 is provided with an air inlet 31 disposed opposite to the fluid inlet 21. The outer peripheral wall of the impeller 302 is provided with an air outlet 32. The air outlet 32 ​​and the fluid outlet 22 form a filter chamber 20.

[0036] The filter chamber 20 is provided with a high-frequency pulse low-temperature plasma device 4;

[0037] The filter chamber 20 is provided with a microporous electrostatic high-pressure dust collection and purification device of suitable size and shape;

[0038] The microporous electrostatic high-pressure dust collection and purification device includes an electrostatic net 51 and a high-efficiency filter net 52 arranged below the electrostatic net 51 .

[0039] In the actual design, the box body 1 is divided into two chambers, namely the static pressure inner shell 2 and the fluid channel 11, so as to ensure that the air is fully disinfected and filtered after passing through the fan 3, avoiding the air filtration blind area, and the air flow adopts the vertical laminar flow form (that is, vertically downward after lateral flow). The static pressure inner shell 2 is designed inside to achieve a completely sealed state in the internal cavity;

[0040] The filtering and disinfecting device includes a primary filter, a high-frequency pulse low-temperature plasma device 4, an electrostatic net 51 and a high-efficiency filter 52, so as to adsorb and disinfect floating dust, microorganisms and bacteria, actively release plasma into the air, improve the purification and disinfection efficiency, and ensure that there are no dead angles in the disinfection, thereby ensuring that the filtering efficiency reaches the H14 level.

[0041] The primary filter 5 achieves preliminary filtration of the air, for example, preliminary filtration of particles with larger diameters without affecting the flow of air;

[0042] The high-frequency pulse low-temperature plasma device 4 releases a large amount of plasma, and the plasma body moves irregularly in the air, which can fully cover the entire cavity and disinfect the entire area. The microporous electrostatic purification device can be repeatedly washed and reused without affecting the use effect.

[0043] The electrostatic net 51 adopts the principle of high-voltage electrostatic adsorption, with a power of less than 10W, and the microporous electrostatic structure is arranged in an irregular shape to form the entire electrostatic net 51, so that the air circulation area is larger, thereby making the air flow smoother and more uniform;

[0044] The high efficiency filter 52 adopts an H12 filter, thereby achieving a filtration effect of 99%.

[0045] Specifically, the high-frequency pulse low-temperature plasma device 4 can release plasma into the filter cavity 20. The plasma device 4 uses a bipolar plasma electrostatic field to decompose and destroy negatively charged bacteria, polarize and adsorb dust. This structure is a prior art, and high-frequency pulses and low temperatures are characteristics of the plasma device 4.

[0046] Features of high-frequency pulse low-temperature plasma device 4:

[0047] 1. In the process of generating plasma, the instantaneous high energy generated by high-frequency discharge can open the chemical bonds in some harmful gas molecules, decomposing them into single atoms or harmless molecules; 2. Plasma contains a large number of high-energy electrons, positive and negative ions, excited particles and hydroxyl free radicals with strong oxidizing properties, which react chemically with harmful gas molecules and eventually generate harmless products, which can effectively solve various indoor air pollution and make people feel that the indoor air is more "fresh". The power is only 1 / 3 of the existing one, which is energy-saving and environmentally friendly.

[0048] Specifically, the electrostatic net 51 is composed of irregularly arranged microporous structures, thereby forming a whole surface of the electrostatic net 51, so that the air circulation area is larger, thereby ensuring smoother and more uniform air flow; at the same time, the free plasma can also make people feel that the indoor air is more "fresh", improve the sterilization and purification efficiency, and achieve sterilization without dead angles.

[0049] Specifically, the plasma device adopts an electric device inner sealing structure, which can be understood as the electronic structure is sealed by an insulator, thereby effectively reducing the dangers of ignition, discharge and arcing, and increasing safety.

[0050] Specifically, the high-efficiency filter 52 uses an H12 filter. The higher the filter grade, the better the single purification effect. The single filtration effect of H11 is 98%, H12 is 99.9%, and H13 is 99.97%. Single filtration effect (efficiency): For example, 98%, the air passes through the filter once, and 98% of the corresponding substances can be purified.

[0051] Specifically, the primary filter 5 is a metal filter, so that the primary filter can be cleaned and reused repeatedly.

[0052] Specifically, the fresh air inlet 10 is arranged at the top wall of the box body 1 , and the primary filter is arranged at a position adjacent to the fresh air inlet 10 .

[0053] Specifically, the fresh air outlet 10 is arranged at the side wall of the box body 1, and the primary filter 5 is arranged at the position of the fluid inlet 21. According to different actual needs, the relative position of the fresh air outlet 10 is set, that is, the top wall or side wall position of the box body 1, thereby improving the installation applicability, one of the fresh air outlets 10 is opened and the other is closed.

[0054] Specifically, the static pressure inner shell 2 is located at the position of the fresh air outlet 10 and has a first guide portion 61 extending inward in an arc shape, and the impeller 302 is located at the air inlet 31 and has a second guide portion 62 extending upward to match the first guide portion 61, thereby achieving negative pressure air flowing into the impeller 302.

[0055] Specifically, the fluid outlet 22 is provided with a diffuser panel 7, thereby achieving a larger wind outlet surface.

[0056] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A laminar flow fresh air disinfection clean screen, characterized in that: include: A box body, wherein the box body is provided with a static pressure inner shell, a fluid channel is provided between the static pressure inner shell and the inner wall of the box body, and the static pressure inner shell is respectively provided with a fluid inlet and a fluid outlet; The box body is provided with a fresh air inlet connected to the fluid channel, and a primary filter is provided between the fresh air inlet and the fluid inlet; A fan, the fan comprising a rotating motor disposed in a static pressure inner shell and an impeller disposed in the rotating motor, an upper end of the impeller being provided with an air inlet disposed opposite to a fluid inlet, an outer peripheral wall of the impeller being provided with an air outlet, and a filter chamber being enclosed between the air outlet and the fluid outlet; The filter chamber is provided with a plasma device; The filter chamber is provided with a microporous electrostatic high-pressure dust collection and purification device of suitable size and shape; The microporous electrostatic high-pressure dust collection and purification device comprises an electrostatic net and a high-efficiency filter net arranged below the electrostatic net.

2. The laminar flow fresh air disinfection clean screen according to claim 1, characterized in that: The electrostatic net is composed of a microporous structure arranged in irregular shapes.

3. The laminar flow fresh air disinfection clean screen according to claim 1, characterized in that: The plasma device adopts an electric component inner sealing structure.

4. The laminar flow fresh air disinfection clean screen according to claim 1, characterized in that: The high efficiency filter screen adopts H12 filter.

5. The laminar flow fresh air disinfection clean screen according to claim 1, characterized in that: The primary filter is a metal filter.

6. The laminar flow fresh air disinfection clean screen according to claim 1, characterized in that: The fresh air inlet is arranged at the top wall of the box body, and the primary filter is arranged at a position adjacent to the fresh air inlet.

7. The laminar flow fresh air disinfection clean screen according to claim 1, characterized in that: The fresh air inlet is arranged at the side wall of the box body, and the primary filter is arranged at the fluid inlet.

8. The laminar flow fresh air disinfection clean screen according to claim 1, characterized in that: The static pressure inner shell is located at the position of the new air inlet and has a first guide portion extending inward in an arc shape, and the impeller is located at the air inlet and has a second guide portion extending upward that matches the first guide portion.

9. The laminar flow fresh air disinfection clean screen according to claim 1, characterized in that: The fluid outlet is provided with a diffuser panel.

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