CN212666836U

CN212666836U - Automatic sterilization screen window of joule heat

Info

Publication number: CN212666836U
Application number: CN202020530968.6U
Authority: CN
Inventors: 俞书宏; 管庆方; 凌张弛; 韩子盟; 杨怀斌; 杨昆鹏; 尹崇翰
Original assignee: University of Science and Technology of China USTC
Current assignee: University of Science and Technology of China USTC
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-03-09
Anticipated expiration: 2030-04-10

Abstract

The utility model relates to a screen window field to a joule heat automatic sterilization screen window is disclosed, it includes screen window supporting layer and sterilization filter layer. The sterilization filter layer comprises a breathable non-woven fabric layer and a joule heat conductive sterilization filter layer. The joule heat conductive sterilization filter layer is composed of a plant nano fiber layer, a conductive fiber layer and a plant micro fiber layer. The screen window has good air permeability, can automatically sterilize when being electrified, and can effectively improve indoor air.

Description

Automatic sterilization screen window of joule heat

Technical Field

The utility model relates to a screen window field especially relates to an automatic sterilization screen window of joule heat.

Background

Haze, as the name implies, is fog and haze. Mist is an aerosol system consisting of a large number of tiny water droplets or ice crystals suspended in the air near the ground, and haze is composed of particles in the air such as dust, sulfuric acid, nitric acid, organic hydrocarbons, and the like. The haze contains hundreds of atmospheric chemical particulate matters, and if filtration and purification treatment are not carried out, the atmospheric chemical particulate matters invade respiratory tracts and lung leaves of human bodies along with air when people have no precaution, so that diseases such as respiratory system diseases and cardiovascular system diseases are caused, and the haze is in the environment for a long time and can cause great harm to human health.

In view of the great harm of haze to the human body, the problem of haze treatment is not easy to solve. Urban people are in indoor environment for a long time, and indoor air quality is closely related to human health. The window is used as a main way for indoor and outdoor air exchange, and the screen window becomes a main method for isolating indoor and outdoor pollutants. At present, the screen window on the market obtains better ventilation performance due to larger aperture, but can not effectively isolate substances such as dust and other harmful particles in outdoor air, so that the indoor air quality can be worried about.

Meanwhile, some microorganisms and pathogens float in the air, and the air is harmful to human health when entering the room, so that how to kill various germs in the air is also a point of concern.

SUMMERY OF THE UTILITY MODEL

The utility model discloses mainly filter to present common screen window and prevent the not enough on haze and the antibacterial property, provide a novel screen window cloth, it can be when having higher air permeability, can effectively completely cut off various harmful particles in the outdoor air and exterminate the germ, is showing and promotes the indoor air quality.

In order to solve the technical problem, the utility model discloses the scheme of taking is: a joule heat automatic sterilization screen window comprises a screen window supporting layer and a sterilization filter layer. The sterilization filter layer comprises a breathable non-woven fabric layer and a joule heat conductive sterilization filter layer. The joule heat conductive sterilization filter layer consists of a plant nano fiber layer, a conductive fiber layer and a plant micro fiber layer. This screen window has that the gas permeability is good, has better filtration efficiency to the haze, and the function that can disinfect automatically of circular telegram moreover can effectively improve the room air.

Preferably, the plant microfiber layer consists of 1-10 μm diameter microfiber with pore size of 0.5-20 μm and thickness of 1-2mm, and can block and adsorb large diameter particle in air effectively and has high air permeability.

Preferably, the conductive fiber layer is composed of conductive fibers with high joule heating effect, and the nano metal wires, the carbon nano tubes, the conductive carbon fibers and the conductive polymer fibers with one-dimensional nano structure characteristics are selected to generate the joule heating effect under the condition of electrifying through an external power supply and a lead, so that the conductive fiber layer has a killing effect on bacteria and viruses.

Preferably, the plant nanofiber layer is composed of nanocellulose with the diameter of 4-100nm, the pore size distribution of a nanocellulose network formed by interlacing the nanocellulose layer is 50-300nm, the thickness of the layer structure is 1-2mm, and harmful particles in air can be further isolated.

Preferably, the air-permeable nonwoven fabric is an organic fiber nonwoven fabric having excellent physical properties and good air permeability.

Preferably, the screen support layer is made of metal material of a traditional screen base, and plays a supporting role.

The utility model discloses following beneficial effect has:

the first plant nanofiber layer, the plant nanofiber layer and the plant microfiber layer can absorb and filter dust and harmful particles in air to the maximum extent, and meanwhile good air permeability is guaranteed. Meanwhile, the plant nano fiber layer and the plant micro fiber layer have better mechanical and physical properties.

And secondly, the conductive fiber layer has excellent sterilization performance, and conductive metal spread in the screen window can generate a large amount of heat by introducing safe voltage through an external power supply by utilizing the joule heat effect, so that various microorganisms such as bacteria in the air can be effectively killed.

And thirdly, the gauze window cloth has better mechanical strength, is not easy to damage, is convenient to disassemble and wash, and can be used for a long time.

Drawings

FIG. 1 is a schematic cross-sectional view of a Joule heating automatic sterilization screen window, wherein 1, a screen window supporting layer; 2. a sterilization filtration functional layer; 3. 4, a breathable non-woven fabric layer, and a joule heat conductive sterilization filter layer; 5. a plant nanofiber layer; 6. a conductive fiber layer; 7. plant micron fiber layer.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in figure 1, the joule heat automatic sterilization screen window comprises a screen window supporting layer 1 and a sterilization filter layer 2. The sterilization filter layer 2 comprises a breathable non-woven fabric layer 3 and a joule heat conduction sterilization filter layer 4. The joule heat conductive sterilization filter layer 4 is composed of a plant nanofiber layer 5, a conductive fiber layer 6 and a plant microfiber layer 7. The screen window supporting layer 1 is made of traditional metal, such as 304 stainless steel, the breathable non-woven fabric layer 3 is made of organic fiber non-woven fabric, the plant nano-fiber layers 5 formed by interleaving nano-cellulose with the diameter of 4-100nm are 50-300nm in pore size and 1-2mm in thickness, the non-woven fabric layer is adhered to the non-woven fabric layer, the conductive fiber layers 6 are placed on the non-woven fabric layer, the conductive fiber layers are made of conductive fibers with high Joule heating effect, the pore size distribution is 200-500nm, the thickness is 100-300 mu m, the plant micro-fiber layers are tightly combined with the plant micro-fiber layers 7, the plant micro-fiber layers are made of micro-cellulose with the diameter of 1-10 mu m, the pore size distribution is 0.5-20 mu m, and the.

The utility model discloses a joule heat sterilization screen window, 7 apertures in the superiors' plant micron fibrous layer are greater than plant nanofiber layer 5, not only are favorable to the circulation of air to get into the inlayer, can also carry out prefilter to large granular substance, in addition, because the better physical properties of plant micron fibrous layer 7, also can play a guard action to inside material, this kind of unique laminated structure order has improved the screen window performance to realize the utilization of resources maximize.

The utility model relates to a screen window can carry out the automatic effect of killing of joule heat to bacterium etc. and material such as harmful particle in the effective filtration air simultaneously, when guaranteeing good ventilative, effectively improves the air quality.

The above is only described with respect to the embodiments of the present invention, which is not right, the present invention is limited, and any right, the present invention discloses the scheme after simple transformation all belongs to the protection scope of the present invention.

Claims

1. The utility model provides an automatic sterilization screen window of joule heat which includes screen window supporting layer (1) and functional layer (2), its characterized in that: the functional layer (2) comprises an air-permeable non-woven fabric layer (3) and a Joule thermal conductivity sterilization filter layer (4) which are sequentially stacked above the screen window supporting layer (1), and the Joule thermal conductivity sterilization filter layer (4) comprises a plant nanofiber layer (5), a conductive fiber layer (6) and a plant microfiber layer (7) which are sequentially stacked above the air-permeable non-woven fabric layer (3), wherein the plant nanofiber layer (6) and the plant microfiber layer (7) are sequentially stacked above the air-permeable non-woven fabric layer (3)

The plant nanofiber layer (5) has a nanocellulose network with a pore size distribution of 50-300nm formed by nanocellulose with a diameter of 4-100 nm;

the conductive fiber layer (6) is composed of conductive fibers with higher joule heating effect, has the pore size distribution of 200-500nm, and generates the joule heating effect under the condition of electrifying through an external power supply and a lead; and is

The plant microfiber layer (7) has a cellulose network with a pore size distribution of 0.5-20 μm formed from a microfiber with a diameter of 1-10 μm.

2. The joule heat automatic sterilization screen window according to claim 1, wherein: the conductive fiber layer (6) comprises nano metal wires with one-dimensional nano structural characteristics, carbon nano tubes, conductive carbon fibers or conductive polymer fibers.

3. The joule heat automatic sterilization screen window according to claim 1, wherein: the screen window supporting layer (1) is made of traditional metal screen window materials and comprises stainless steel.

4. The joule heat automatic sterilization screen window according to claim 1, wherein: the thickness of the plant nanofiber layer (5) is 1-2 mm.

5. The joule heat automatic sterilization screen window according to claim 1, wherein: the layer thickness of the conductive fiber layer (6) is 100-300 μm.

6. The joule heat automatic sterilization screen window according to claim 1, wherein: the thickness of the plant micro-fiber layer (7) is 1-2 mm.