阅读说明：本技术 室内紫外光催化冠状病毒空气消毒机 (Indoor ultraviolet light catalytic coronavirus air sterilizer ) 是由 毛守红 毛雨 于 2021-08-19 设计创作，主要内容包括：本发明公开了一种室内紫外光催化冠状病毒空气消毒机,该消毒机的底部设有空气进风口,顶部设有清洁空气排风口,在空气进风口处设有空气灭菌消毒过滤网,在清洁空气排风口处设有风机；空气灭菌消毒过滤网包括外层的活性炭过滤网层和内层的光触媒海绵过滤网层；消毒机的内部设有一紫外线光触媒杀菌消毒装置,该紫外线光触媒杀菌消毒装置包括蜂窝状光触媒铝基板制成的圆柱形体以及设于圆柱形体中间的紫外线灯管,紫外线灯管对应的消毒机内壁上围设有紫外线反光膜。本发明采用多重拦阻和灭活室内冠状病毒菌的功能和机理,结合整机其它的灭活手段,从而有效提高了室内冠状病毒空气消毒机的整机性能,实现了对室内空气中的冠状病毒彻底的灭活。(The invention discloses an indoor ultraviolet light catalytic coronavirus air sterilizer, wherein an air inlet is formed in the bottom of the sterilizer, a clean air outlet is formed in the top of the sterilizer, an air sterilizing and disinfecting filter screen is arranged at the air inlet, and a fan is arranged at the clean air outlet; the air sterilization disinfection filter screen comprises an outer activated carbon filter screen layer and an inner photocatalyst sponge filter screen layer; the inside of sterilizer is equipped with an ultraviolet ray photocatalyst sterilizing and disinfecting device, and this ultraviolet ray photocatalyst sterilizing and disinfecting device includes the cylindrical body that aluminium base board of cellular photocatalyst made and locates the ultraviolet tube in the middle of the cylindrical body, encloses on the sterilizer inner wall that the ultraviolet tube corresponds and is equipped with the ultraviolet ray reflective membrane. The invention adopts the function and mechanism of multiple blocking and inactivating the indoor coronavirus bacteria, and combines other inactivation means, thereby effectively improving the overall performance of the indoor coronavirus air sterilizer and realizing the complete inactivation of the coronavirus in the indoor air.)

1. An indoor ultraviolet light catalysis coronavirus air sterilizer is characterized in that an air inlet is formed in the bottom of the sterilizer, a clean air outlet is formed in the top of the sterilizer, an air sterilization and disinfection filter screen is arranged at the air inlet, and a fan is arranged at the clean air outlet; the air sterilization and disinfection filter screen comprises an active carbon filter screen layer positioned on the outer layer and a photocatalyst sponge filter screen layer positioned on the inner layer; the inside of sterilizer is equipped with an ultraviolet ray photocatalyst sterilizing and disinfecting device, and this ultraviolet ray photocatalyst sterilizing and disinfecting device includes the cylindrical body that aluminium base board of cellular photocatalyst made and locates the ultraviolet tube in the middle of the cylindrical body, encloses on the sterilizer inner wall that the ultraviolet tube corresponds and is equipped with the ultraviolet ray reflective membrane.

2. The indoor UV-photocatalytic coronavirus air sterilizer of claim 1, wherein the activated carbon filter screen layer is a microporous filter cotton layer made of flame-retardant cotton adsorbing activated carbon powder.

3. The indoor UV-photocatalytic coronavirus air sterilizer as claimed in claim 2, wherein the photocatalyst sponge filter screen layer is a sponge layer coated with anatase-type titanium dioxide photocatalyst nano-scale powder.

4. The indoor UV-photocatalytic coronavirus air sterilizer of claim 3, wherein the microporous filter cotton layer has a thickness of 10mm, and the sponge layer has a thickness of 10 mm.

5. The indoor UV-photocatalytic coronavirus air sterilizer of claim 1, wherein the blower is a three-speed suspension type split centrifugal blower.

6. The indoor UV-photocatalytic coronavirus air sterilizer of claim 1 or 5, wherein the maximum air flow of the fan is 800m³/h。

7. The indoor UV-photocatalytic coronavirus air sterilizer of claim 1, wherein the UV tube emits UV light having a wavelength of 253.7 nm.

8. The indoor UV-photocatalytic coronavirus air sterilizer of claim 1, wherein the UV-reflective membrane is an aluminum paper membrane.

9. The indoor UV-photocatalytic coronavirus air sterilizer of claim 8, wherein the thickness of the aluminum paper-like film is 0.3 mm.

Technical Field

The invention relates to the technical field of disinfection equipment, in particular to an indoor ultraviolet light catalysis coronavirus air disinfection machine.

Background

At present, biological and virus research institutions of various countries all over the world lead to the conclusion that ultraviolet rays in special wave bands can radiate the air containing new coronavirus to effectively inactivate the human coronavirus. The selected indoor air disinfector for the coronavirus needs three elements and necessary conditions for inactivating the coronavirus; 1. ultraviolet light source of special wavelength band. 2. Inactivating the residence time of coronavirus in the air in the room. 3. The coronavirus is irradiated by the strong ultraviolet light source at zero distance and without dead angle. In addition, the intense ultraviolet light source has an injurious effect on the skin and eyes of people indoors, and thus the ultraviolet light source must be shielded and isolated from leakage.

The photocatalyst is formed by irradiating ultraviolet light (with a light wave of 253.7nm) on a coating made of titanium dioxide material to catalyze the titanium dioxide coating to generate hydroxide particles to achieve the effects of sterilization and disinfection, so that dust, various harmful gases and various pathogenic bacteria in indoor air can be effectively eliminated, neutralized and decomposed. Therefore, it is possible to try to apply it to a coronavirus air sterilizer.

Disclosure of Invention

In view of the above, the invention provides an indoor ultraviolet light catalysis coronavirus air disinfection machine, which has the following specific technical scheme:

an indoor ultraviolet light catalysis coronavirus air sterilizer, the bottom of the sterilizer is provided with an air inlet, the top is provided with a clean air outlet, the air inlet is provided with an air sterilization disinfection filter screen, and the clean air outlet is provided with a fan; the air sterilization and disinfection filter screen comprises an active carbon filter screen layer positioned on the outer layer and a photocatalyst sponge filter screen layer positioned on the inner layer; the inside of sterilizer is equipped with an ultraviolet ray photocatalyst sterilizing and disinfecting device, and this ultraviolet ray photocatalyst sterilizing and disinfecting device includes the cylindrical body that aluminium base board of cellular photocatalyst made and locates the ultraviolet tube in the middle of the cylindrical body, encloses on the sterilizer inner wall that the ultraviolet tube corresponds and is equipped with the ultraviolet ray reflective membrane.

By adopting the technical scheme, the indoor ultraviolet light catalytic coronavirus air sterilizer adopts multiple functions and mechanisms for blocking and inactivating indoor coronavirus bacteria, and combines other inactivation means of the whole machine, so that the whole machine performance of the indoor coronavirus air sterilizer is effectively improved, and the coronavirus in indoor air is completely inactivated.

Preferably, the activated carbon filter screen layer is a microporous filter cotton layer which adopts flame-retardant cotton to adsorb activated carbon powder. The active carbon filter screen layer is used for blocking various virus bacteria in the dust and air at the air inlet of the sterilizer.

Preferably, the photocatalyst sponge filter screen layer is a sponge layer sprayed with anatase type titanium dioxide photocatalyst nano-scale powder. The photocatalyst sponge filter screen layer can catalyze high-efficiency sterilizing substances under ultraviolet light to decompose harmful gases in the air.

Preferably, the thickness of the microporous filter cotton layer is 10mm, and the thickness of the sponge layer is 10 mm.

Preferably, the fan is a three-speed suspension type split centrifugal fan.

Preferably, the maximum wind flow of the fan is 800m³/h。

Preferably, the wavelength of the ultraviolet light emitted from the ultraviolet lamp is 253.7 nm.

The 253.7nm radiation light source of the ultraviolet lamp tube can inactivate coronavirus in indoor air and catalyze the honeycomb photocatalyst aluminum substrate at the same time. The invention adopts a high-intensity 253.7nm ultraviolet radiation light source and a photocatalyst catalytic sterilization disinfection function, and fully improves the effect of inactivating coronavirus of the whole machine.

Preferably, the ultraviolet reflecting film is an aluminum paper-shaped film, and the ultraviolet reflecting film has the effect of enhancing the ultraviolet intensity.

Preferably, the thickness of the aluminum paper-like film is 0.3 mm.

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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of an indoor ultraviolet light catalytic coronavirus air sterilizer of the invention.

FIG. 2 is a perspective view of a honeycomb photocatalyst aluminum substrate according to the present invention.

FIG. 3 is a top view of the honeycomb photocatalyst aluminum substrate of the present invention.

In the figure: 1-air inlet, 2-clean air outlet, 3-fan, 4-active carbon filter screen layer, 5-photocatalyst sponge filter screen layer, 6-honeycomb photocatalyst aluminum substrate, 7-ultraviolet lamp tube, 8-ultraviolet reflecting film.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Example (b):

as shown in fig. 1, the air sterilizer for catalyzing coronavirus by ultraviolet light in the room of the invention has an air inlet 1 at the bottom, a clean air outlet 2 at the top, an air sterilizing and disinfecting filter screen at the air inlet 1, and a fan 3 at the clean air outlet 2; wherein, the air sterilization disinfection filter screen comprises an active carbon filter screen layer 4 positioned on the outer layer and a photocatalyst sponge filter screen layer 5 positioned on the inner layer.

Specifically, the activated carbon filter screen layer 4 is a microporous filter cotton layer with the thickness of 10mm and adopting flame-retardant cotton to adsorb activated carbon powder, and can firstly block various viruses in tiny dust and air at the air inlet 1 of the sterilizer.

The photocatalyst sponge filter screen layer 5 is formed by spraying anatase type titanium dioxide photocatalyst nano-scale powder on a sponge body with the thickness of 10mm, and can catalyze high-efficiency sterilizing substances under ultraviolet light to decompose harmful gases in the air.

In the cleaning airThe blower 3 arranged at the air exhaust port 2 preferably uses a three-speed suspension type split centrifugal blower, and the maximum air flow of the blower 3 is 800m³/h。

The invention realizes primary filtration and sterilization of virus and bacteria at the air inlet 1 by arranging the activated carbon filter screen layer 4 and the photocatalyst sponge filter screen layer 5 at the air inlet 1.

The invention is further provided with an ultraviolet photocatalyst sterilizing device in the sterilizer, and the ultraviolet photocatalyst sterilizing device comprises a cylindrical body (shown in figures 2 and 3) made of a honeycomb photocatalyst aluminum substrate 6 and an ultraviolet lamp tube 7 arranged in the middle of the cylindrical body. The wavelength of the ultraviolet light emitted from the ultraviolet lamp 7 is preferably 253.7 nm.

In the invention, a 253.7nm radiation light source emitted by the ultraviolet lamp tube 7 is used for inactivating coronavirus in indoor air, and simultaneously, the ultraviolet radiation light source can catalyze the honeycomb photocatalyst aluminum substrate 6 arranged around the ultraviolet lamp tube, so that a titanium dioxide coating on the substrate generates hydroxide particles, thereby playing a role in sterilization and disinfection, and effectively eliminating and decomposing dust, various harmful gases and various pathogenic bacteria in indoor air.

The honeycomb photocatalyst aluminum substrate 6 is designed into a cylindrical body innovatively, the ultraviolet lamp tube 7 is placed in the middle of the cylindrical body, and the honeycomb photocatalyst aluminum substrate has the following functions: 1. increasing the catalytic area of the photocatalyst; 2. the ultraviolet lamp tube 7 can effectively inactivate coronavirus and provide a catalytic light source for catalyzing the honeycomb photocatalyst aluminum substrate 6; 3. the two functions are combined to fully improve the inactivation effect of the coronavirus of the whole machine.

Meanwhile, the inner wall of the sterilizer corresponding to the ultraviolet lamp tube 7 is surrounded with an ultraviolet reflecting film 8, and the ultraviolet reflecting film 8 is an aluminum paper-shaped film with the thickness of 0.3 mm. The ultraviolet reflecting film 8 is mainly used for reflecting ultraviolet light, and has the effect of enhancing the ultraviolet intensity.

Therefore, the invention adopts the function and mechanism of multiple blocking and inactivating the indoor coronavirus bacteria, and combines other inactivation means of the whole machine, thereby effectively improving the whole machine performance of the indoor coronavirus air sterilizer and realizing the complete inactivation of the coronavirus in the indoor air.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.