阅读说明：本技术 一种低温等离子体富氧灭菌面罩 (Low-temperature plasma oxygen-enriched sterilization mask ) 是由 姚锦元 姚茗方 寿方仪 方宇红 卢析赤 张起 李亚辉 吴永进 于 2021-07-05 设计创作，主要内容包括：本发明提供一种低温等离子体富氧灭菌面罩,包括罩体,罩体设有第一、二网状光纤层、第一、第二玻璃纤维布层和网孔隧道式等离子体层,第一玻璃纤维布层内表面上设有纳米氧化银杀菌层；第一网状光纤层使LED激光光源发出的波长185纳米紫外光照射在有纳米氧化银杀菌层的第一玻璃纤维布层上；第二玻璃纤维布层内表面上设有纳米二氧化钛消毒灭菌层,第二网状光纤层使LED激光光源发出的波长256纳米紫外光照射在有纳米二氧化钛消毒灭菌层的第二玻璃纤维布层上；网孔隧道式等离子体层对进入微孔隧道内的病毒细菌进行灭杀,对进入罩体的空气进行富氧活化。本发明能对病毒细菌采取多道灭杀,同时对进入罩体的空气进行富氧活化,以提高罩体内的氧饱和量。(The invention provides a low-temperature plasma oxygen-enriched sterilization mask which comprises a mask body, wherein the mask body is provided with a first reticular optical fiber layer, a second reticular optical fiber layer, a first glass fiber cloth layer, a second glass fiber cloth layer and a mesh tunnel type plasma layer, and a nano silver oxide sterilization layer is arranged on the inner surface of the first glass fiber cloth layer; the first reticular optical fiber layer enables 185-nanometer ultraviolet light with wavelength emitted by the LED laser light source to irradiate the first glass fiber cloth layer with the nanometer silver oxide sterilization layer; the inner surface of the second glass fiber cloth layer is provided with a nano titanium dioxide disinfection and sterilization layer, and the second reticular optical fiber layer enables 256-nanometer ultraviolet light with wavelength emitted by the LED laser light source to irradiate on the second glass fiber cloth layer with the nano titanium dioxide disinfection and sterilization layer; the mesh tunnel type plasma layer kills virus and bacteria entering the micropore tunnel and carries out oxygen-enriched activation on air entering the cover body. The invention can kill virus and bacteria for multiple times, and simultaneously carry out oxygen-enriched activation on air entering the cover body so as to improve the oxygen saturation amount in the cover body.)

1. The utility model provides a low temperature plasma oxygen boosting sterilization face guard which characterized in that: comprises a cover body provided with a fixing part, the cover body is provided with a first reticular optical fiber layer, a first glass fiber cloth layer, a second reticular optical fiber layer, a second glass fiber cloth layer and a mesh tunnel type plasma layer from an outer layer to an inner layer in sequence, wherein,

the inner surface of the first glass fiber cloth layer is provided with a nano silver oxide sterilizing layer, and the nano silver oxide sterilizing layer is sterilized by using nano silver oxide;

the first reticular optical fiber layer uniformly irradiates the first glass fiber cloth layer provided with the nano silver oxide sterilization layer with the deep ultraviolet light with the wavelength of 185 nanometers emitted by the first LED laser light source by utilizing the light guide capability of the optical fiber, and plays a role in sterilization through the combined action of ultraviolet sterilization and nano silver oxide sterilization;

a layer of nano titanium dioxide disinfection and sterilization layer is arranged on the inner surface of the second glass fiber cloth layer, and the nano titanium dioxide disinfection and sterilization layer utilizes nano titanium dioxide photocatalysis to sterilize and degrade organic matters;

the second reticular optical fiber layer uniformly irradiates ultraviolet light with the wavelength of 256 nanometers, which is emitted by the second LED laser light source, onto the second glass fiber cloth layer provided with the nano titanium dioxide disinfection and sterilization layer by utilizing the light guide capability of the optical fiber, and plays a role in disinfection and sterilization by ultraviolet sterilization and degradation of toxic and harmful substances and bacterial corpses in the air by the nano titanium dioxide;

the mesh tunnel type plasma layer is used for generating ultraviolet rays, negative ions and ozone, and is used for killing virus and bacteria entering the micropore tunnel and carrying out oxygen-enriched activation on air entering the cover body so as to improve the oxygen saturation amount in the cover body.

2. A low temperature plasma oxygen-enriched sterilization mask as claimed in claim 1, wherein: the nano silver oxide sterilizing layer is formed on the inner surface of the first glass fiber cloth layer through nano silver oxide sputtering or evaporation.

3. A low temperature plasma oxygen-enriched sterilization mask as claimed in claim 1, wherein: the nano titanium dioxide disinfection and sterilization layer is formed on the inner surface of the second glass fiber cloth layer through sputtering or evaporation of nano titanium dioxide.

4. A low temperature plasma oxygen-enriched sterilization mask as claimed in claim 1, wherein: the first reticular optical fiber layer adopts a 185nm comb-shaped laser ultraviolet optical fiber sterilization layer.

5. A low temperature plasma oxygen-enriched sterilization mask as claimed in claim 1, wherein: the second reticular optical fiber layer adopts a 256nm laser ultraviolet optical fiber sterilization layer.

6. A low temperature plasma oxygen-enriched sterilization mask as claimed in claim 1, wherein: the mesh tunnel type plasma layer comprises two layers of metal sheets and an insulator, wherein the insulator is clamped between the two layers of metal sheets to form an integrated structure, the integrated structure is provided with a plurality of micron-sized through holes penetrating the thickness of the integrated structure, the micron-sized through holes are perpendicular to the plane of the cover body and distributed to form the micropore tunnel, and radio frequency voltage is applied to the two layers of metal sheets to form an ionization field in the micropore tunnel to generate ultraviolet rays, negative ions and ozone.

7. A low temperature plasma oxygen-enriched sterilization mask as claimed in claim 1, wherein: the outer surface of the cover body is provided with an air quality detection sensor and a wireless communication component, wherein the air quality detection sensor is used for detecting the air quality outside the cover body in real time, detection data are transmitted to an external terminal through the wireless communication component, and the external terminal adjusts the working frequency of the mesh tunnel type plasma layer according to the received detection data.

8. A low temperature plasma oxygen boosting sterilization mask as claimed in claim 7, wherein: an energy collector for collecting external energy and converting the external energy into electric energy is arranged on the outer surface of the cover body; and the energy storage device is used for storing the electric energy collected by the energy collector and providing power for the first LED laser light source, the second LED laser light source, the air quality detection sensor and the wireless communication component.

Technical Field

The invention relates to the field of sanitation, in particular to a low-temperature plasma oxygen-enriched sterilization mask.

Background

The mask is a common sanitary protective article, can play a role in keeping warm, preventing dust, preventing bacteria, preventing odor and the like, and can play a certain role in isolating viruses during the outbreak period of influenza or viruses infected by droplets. General or special medical masks may also serve to isolate viruses.

During the period of infectious disease outbreak, especially when working or living in places with higher virus concentration, a mask with an active sterilization function is needed, but the traditional mask mainly plays a role in isolation and filtration, cannot be directly sterilized or disinfected, especially cannot be used for preventing and controlling pathogen carriers, and cannot cut off the path of the pathogen carriers for transmitting the pathogens to the outside, so that the viruses are further diffused, and the difficulty of epidemic prevention work is increased.

Disclosure of Invention

In view of the defects in the prior art, the invention aims to provide a low-temperature plasma oxygen-enriched sterilization mask.

According to the present invention, there is provided a low temperature plasma oxygen-enriched sterilization mask, comprising: a cover body provided with a fixing part, wherein the cover body is provided with a first reticular optical fiber layer, a first glass fiber cloth layer, a second reticular optical fiber layer, a second glass fiber cloth layer and a mesh tunnel type plasma layer from an outer layer to an inner layer in sequence,

the inner surface of the first glass fiber cloth layer is provided with a nano silver oxide sterilizing layer, and the nano silver oxide sterilizing layer is sterilized by using nano silver oxide;

the first reticular optical fiber layer uniformly irradiates the first glass fiber cloth layer provided with the nano silver oxide sterilization layer with the deep ultraviolet light with the wavelength of 185 nanometers emitted by the first LED laser light source by utilizing the light guide capability of the optical fiber, and plays a role in sterilization through the combined action of ultraviolet sterilization and nano silver oxide sterilization;

a layer of nano titanium dioxide disinfection and sterilization layer is arranged on the inner surface of the second glass fiber cloth layer, and the nano titanium dioxide disinfection and sterilization layer utilizes nano titanium dioxide photocatalysis to sterilize and degrade organic matters;

the second reticular optical fiber layer uniformly irradiates ultraviolet light with the wavelength of 256 nanometers, which is emitted by the second LED laser light source, onto the second glass fiber cloth layer provided with the nano titanium dioxide disinfection and sterilization layer by utilizing the light guide capability of the optical fiber, and plays a role in disinfection and sterilization by ultraviolet sterilization and degradation of toxic and harmful substances and bacterial corpses in the air by the nano titanium dioxide;

the mesh tunnel type plasma layer is used for generating ultraviolet rays, negative ions and ozone, and is used for killing virus and bacteria entering the micropore tunnel and carrying out oxygen-enriched activation on air entering the cover body so as to improve the oxygen saturation amount in the cover body.

Preferably, the nano silver oxide sterilization layer is formed on the inner surface of the first glass fiber cloth layer by nano silver oxide sputtering or evaporation.

Preferably, the nano titanium dioxide disinfection and sterilization layer is formed by sputtering or evaporating nano titanium dioxide on the inner surface of the second glass fiber cloth layer.

Preferably, the first reticular optical fiber layer adopts a 185nm comb-shaped laser ultraviolet optical fiber sterilization layer.

Preferably, the second reticular optical fiber layer adopts a 256nm laser ultraviolet optical fiber sterilization layer.

Preferably, the mesh tunnel type plasma layer comprises two layers of metal sheets and an insulator, the insulator is sandwiched between the two layers of metal sheets to form an integrated structure, the integrated structure is provided with a plurality of micron-sized through holes penetrating through the thickness of the integrated structure, the micron-sized through holes are distributed perpendicular to the plane of the cover body to form the micropore tunnel, and an ionization field is formed in the micropore tunnel to generate ultraviolet rays, negative ions and ozone by applying radio frequency voltage to the two layers of metal sheets.

Preferably, an air quality detection sensor and a wireless communication component are arranged on the outer surface of the cover body, wherein the air quality detection sensor is used for detecting the air quality outside the cover body in real time, detection data are transmitted to an external terminal through the wireless communication component, and the external terminal adjusts the working frequency of the mesh tunnel type plasma layer according to the received detection data.

Preferably, an energy collector for collecting external energy and converting the external energy into electric energy is arranged on the outer surface of the cover body; and the energy storage device is used for storing the electric energy collected by the energy collector and providing power for the first LED laser light source, the second LED laser light source, the air quality detection sensor and the wireless communication component.

Compared with the prior art, the invention has at least one of the following beneficial effects:

according to the mask, the first path is a 185nm comb-shaped laser ultraviolet optical fiber sterilization layer, the second path is a nano silver oxide sterilization layer, the first path, namely the first reticular optical fiber layer, is mainly used for uniformly irradiating deep ultraviolet light generated by a first LED laser light source with the ultramicro wavelength of 185nm manufactured based on MEMS on a first glass fiber cloth layer with nano silver oxide through the light guide capability of optical fibers, the sterilization effect is achieved through the combined action of ultraviolet sterilization and nano silver oxide sterilization, and the sterilization capability of nano silver oxide sterilization can be effectively improved through the effective combination of the first path and the second path of nano silver oxide sterilization layers; the third is a 256nm laser ultraviolet optical fiber sterilization layer, the fourth is a nano titanium dioxide sterilization layer, and the effective combination of the third and the fourth nano titanium dioxide sterilization layers can improve the efficiency of nano titanium dioxide sterilization and organic matter degradation; the third and fourth paths are combined to achieve the functions of disinfection and degradation of toxic and harmful organic matters in the air (generally, toxic and harmful gases exist in the form of organic matters); the second function is to assist the second step of further killing harmful bacteria and degrading the bacterial corpse by the nano silver oxide sterilization layer; the nano silver oxide sterilization layer is used for killing, and the nano titanium dioxide sterilization layer is used for killing, so that the air inlet channel can realize effective sterilization and disinfection functions; after four sterilization, the final air flows into the flexible mesh tunnel type plasma layer, ultraviolet rays, negative ions and ozone generated by an ionization field formed in the micropore tunnel through micropore low-temperature plasma kill virus and bacteria, and oxygen-enriched activation is carried out on the air entering the cover body so as to improve the oxygen saturation amount in the cover body.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of the structure of a low temperature plasma oxygen-enriched sterilization mask in accordance with a preferred embodiment of the present invention;

FIG. 2 is a flow chart of the sterilization of the low temperature plasma oxygen-enriched sterilization mask in accordance with a preferred embodiment of the present invention;

FIG. 3 is a schematic diagram of the operation of the low temperature plasma oxygen-enriched sterilization mask in accordance with a preferred embodiment of the present invention;

FIG. 4 is a schematic diagram of the structure of a low temperature plasma oxygen-enriched sterilization mask in accordance with a preferred embodiment of the present invention;

FIG. 5 is a cross-sectional view of a low temperature plasma oxygen sterilization mask in accordance with a preferred embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a first mesh optical fiber layer of the low-temperature plasma oxygen-enriched sterilization mask according to a preferred embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a second mesh optical fiber layer of the low-temperature plasma oxygen-enriched sterilization mask according to a preferred embodiment of the present invention;

FIG. 8 is a schematic diagram of the structure of the mesh tunnel plasma layer of the low temperature plasma oxygen-rich sterilization mask in accordance with a preferred embodiment of the present invention;

FIG. 9 is a schematic view of the distribution of the microporous structure of the mesh tunnel plasma layer of the low temperature plasma oxygen sterilization mask in accordance with a preferred embodiment of the present invention;

the scores in the figure are indicated as: the device comprises a cover body 1, a wireless communication component 2, an air quality detection sensor 3, an energy collector 4, an energy accumulator 5, a fixing part 6, a first reticular optical fiber layer 20, a first LED laser light source 21, a nano silver oxide sterilization layer 22, a first glass fiber cloth layer 23, a second LED laser light source 24, a second reticular optical fiber layer 25, a microporous structure 26, a nano titanium dioxide sterilization layer 27, a second glass fiber cloth layer 28, a mesh tunnel type plasma layer 29, a metal sheet 291 and an insulator 292.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.

Referring to fig. 1, which is a schematic structural view of a low-temperature plasma oxygen-enriched sterilization mask according to a preferred embodiment of the present invention, the mask includes a mask body 1, and the mask body 1 is arranged on the face of a wearer. The cover 1 is provided with a fixing portion 6 for fixing with the head of the wearer, and the fixing portion 6 may be a head band, a connecting member provided with a hook and loop fastener, or the like.

The cover body 1 is provided with a first reticular optical fiber layer 20, a first glass fiber cloth layer 23, a second reticular optical fiber layer 25, a second glass fiber cloth layer 28 and a mesh tunnel type plasma layer 29 from the outer layer to the inner layer in sequence, wherein,

the inner surface of the first glass fiber cloth layer 23 is provided with a nano silver oxide sterilization layer 22, and the nano silver oxide sterilization layer 22 is sterilized by using nano silver oxide.

The first reticular optical fiber layer 20 uniformly irradiates the 185-nanometer deep ultraviolet light generated by the first LED laser light source 21 with the ultramicro wavelength of 185 nanometers prepared based on MEMS on the first glass fiber cloth layer 23 provided with the nano silver oxide sterilization layer 22 by utilizing the light guide capability of the optical fiber, and plays a sterilization role through the combined action of ultraviolet sterilization and nano silver oxide sterilization; the first LED laser light source 21 is disposed at a cross-sectional port of the first mesh optical fiber layer 20, and penetrates the entire optical fiber network by the optical guiding function of the optical fibers.

The inner surface of the second glass fiber cloth layer 28 is provided with a nano titanium dioxide disinfection and sterilization layer 27, and the nano titanium dioxide disinfection and sterilization layer 27 utilizes the photocatalysis of nano titanium dioxide to sterilize and degrade organic matters.

The second reticular optical fiber layer 25 uniformly irradiates ultraviolet light with the wavelength of 256 nanometers, which is generated by the MEMS-based preparation ultramicro-type second LED laser light source 24 with the wavelength of 256 nanometers, onto the second glass fiber cloth layer 28 provided with the nano titanium dioxide disinfection and sterilization layer 27 by utilizing the light guide capability of the optical fiber, so that toxic and harmful substances and bacterial corpses in the air are degraded through ultraviolet sterilization and nano titanium dioxide, and the disinfection and sterilization effects are achieved; the second LED laser light source 24 is disposed at the cross-sectional port of the second mesh optical fiber layer 25, and penetrates the entire optical fiber network by the light guiding action of the optical fibers.

The mesh tunnel type plasma layer 29 is used for generating ultraviolet rays, negative ions and ozone, and is used for killing virus and bacteria entering the micropore tunnel and carrying out oxygen-enriched activation on air entering the cover body 1 so as to improve the oxygen saturation amount in the cover body 1.

The two-way sterilization and purification mask with the cavitation effect of the embodiment has the functions of two-way disinfection and sterilization in and out. The mask is manufactured by adopting an NEMS micro-nano integrated manufacturing technology. Therefore, the utility model has the advantages of light weight, small size, flexibility and foldability. The mask adopts an active disinfection and sterilization mode, and the air inlet channel consists of nanometer titanium dioxide photocatalysis sterilization, nanometer silver oxide sterilization, 185nm and 256nm laser ultraviolet sterilization and mesh tunnel type plasma sterilization oxygen enrichment activation.

Referring to fig. 2, 3, 4 and 5, a first LED laser source 21 with a wavelength of 185nm is guided into a first mesh optical fiber layer 20 woven by optical fibers from the side to form a 185nm comb-shaped laser ultraviolet optical fiber sterilization layer, ultraviolet light with a wavelength of 185nm emitted from the first mesh optical fiber layer 20 enters first glass fiber cloth to be uniformly dispersed so as to kill various viruses and bacteria in the air, and finally, the ultraviolet light is photo-catalyzed with a nano silver oxide sterilization layer 22 coated on the surface of the first glass fiber cloth to achieve the purpose of further disinfection and sterilization; the second LED laser light source 24 with the wavelength of 256nm is guided into the second reticular optical fiber layer 25 woven by optical fibers from the side surface to form a 256nm laser ultraviolet optical fiber sterilization layer, ultraviolet light with the wavelength of 256nm emitted by the second reticular optical fiber layer 25 enters the second glass fiber cloth layer 28 to be uniformly dispersed so as to kill various viruses and bacteria in the air, and finally, the ultraviolet light and nano titanium dioxide coated on the surface of the second glass fiber cloth layer 28 are subjected to photocatalysis to achieve the aim of further disinfection and sterilization. A 185nm comb-shaped laser ultraviolet optical fiber sterilization layer, a nano silver oxide sterilization layer 22, a 256nm laser ultraviolet optical fiber sterilization layer and a nano titanium dioxide sterilization layer 27, so that a four-path sterilization structure is formed; the first 185nm comb-shaped laser ultraviolet optical fiber sterilization layer and the second nano silver oxide sterilization layer 22 are effectively combined, and 185nm ultraviolet rays have the capability of generating ozone, so that the disinfection and sterilization capability of nano silver oxide sterilization can be effectively improved. The third 256nm laser ultraviolet optical fiber sterilization layer and the fourth nano titanium dioxide sterilization layer 27 are effectively combined to improve the efficiency of nano titanium dioxide sterilization and organic matter degradation; meanwhile, in consideration of the damage of ultraviolet rays to skin, a first glass fiber cloth layer 23 coated with a nano silver oxide sterilizing layer 22 is added on the inner side surface of the 185nm comb-shaped laser ultraviolet optical fiber sterilizing layer, and the nano silver oxide sterilizing layer 22 is positioned on the inner side surface of the first glass fiber cloth layer 23; the second glass fiber cloth layer 28 coated with the nano titanium dioxide disinfection and sterilization layer 27 is added on the inner side surface of the 256nm laser ultraviolet optical fiber sterilization layer, and the nano titanium dioxide disinfection and sterilization layer 27 is positioned on the inner side surface of the second glass fiber cloth layer 28, so that a dual-function protective layer is achieved. The inner side here refers to the side close to the wearer of the mask. The first LED laser light source 21 and the second LED laser light source 24 can be low-power-consumption LED light sources, have very small size, and can be carried by the mask body.

Referring to fig. 6 and 7, the first mesh optical fiber layer 20 and the second mesh optical fiber layer 25 are of a mesh structure woven by interweaving two optical fibers, and particularly, the first mesh optical fiber layer 20 is arranged on the outermost layer of the air inlet channel 2, so that large particles can be effectively blocked, viruses and bacteria can be effectively killed, and a first protection system of the air inlet channel 2 is formed.

In other preferred embodiments, the nano silver oxide sterilizing layer 22 is formed by sputtering or vapor deposition of nano silver oxide on one side of the first glass fiber cloth layer 23, and the nano titanium dioxide sterilizing layer 27 is formed by sputtering or vapor deposition of nano titanium dioxide on one side of the second glass fiber cloth layer 28. The glass fiber cloth has the light guide function, so that ultraviolet rays are uniformly distributed in each fiber and can provide uniform light guide distribution, and the ultraviolet rays are not easy to leak due to the blocking of the nano titanium dioxide layer and the nano silver oxide on the other surface. Simultaneously, the structure of glass fiber cloth can also play the effect of blockking the particulate matter.

Referring to fig. 5, a mesh tunnel type plasma layer 29 is provided on the innermost layer of the cover 1, i.e., on the inner side of the nano titanium dioxide sterilization layer 27. The mesh tunnel type plasma layer 29 is prepared by an MEMS process, and a micro-scale plasma structure is prepared by adopting the MEMS process, so that low-temperature plasma discharge can work under the condition of atmospheric normal pressure and low voltage, and generated plasma has no harm to a human body; the mask is safe and reliable when being used on the mask. Referring to fig. 8, the mesh tunnel plasma layer 29 includes two metal sheets 291 and an insulator 292, and the insulator 292 is sandwiched between the two metal sheets 291 to form an integral structure. The insulator 292 may be a flexible material, and the upper and lower metal sheets 291 may be formed on both sides of the flexible insulating layer by evaporation or sputtering. Referring to fig. 9, a plurality of uniformly distributed micron-sized through holes are formed through the thickness of the integrated structure to form a microporous structure 26 (i.e., microporous tunnels). A plurality of micron-sized through holes are distributed vertical to the plane of the cover body 1; pores having diameters varying from several tens of micrometers to several hundreds of micrometers can be formed. Plasma is generated in the micron-sized through-holes by applying a radio frequency voltage to the two layers of metal sheets 291. In practice, the exposed portions of the two metal sheets 291 of the mesh tunnel plasma layer 29 are coated with silicone or polyimide for safety protection. Referring to fig. 6, a plurality of micron-sized through holes are uniformly distributed on the inner layer of the nano titanium dioxide sterilization layer 27, so as to form a 5 th protective layer of the air inlet channel, and further sterilize the inlet air. In practice, when a radio frequency dc or high frequency ac power is applied to the system, a plasma is generated between the two electrodes of the metal sheet 291, and the discharge condition is related to the aperture size, the electrode spacing, the gas pressure and the current. The plasma generator can work in a high-pressure environment, when the aperture is small, stable discharge can be generated between the two electrodes only by low voltage, and plasma with high gas temperature and high electron density is obtained.

The mesh tunnel type plasma layer 29 is different from the traditional needle point-shaped plasma discharge, the low-pressure plasma manufactured by the MEMS method in the embodiment does not need a complex and heavy booster circuit, the power consumption is low, the low-pressure low-temperature plasma manufactured based on the MEMS integration adopts a micron-sized through hole structure densely distributed on a vertical plane, and the discharge energy of the electrode of the microporous structure 26 generates the plasma under the working environment of normal pressure and low power consumption. The plasma is generated in the micropores by applying radio frequency voltage to the metal electrodes on two sides of the plane, and the generated plasma is very uniform due to the adoption of an MEMS manufacturing method and a microscale effect, large-particle substances are effectively blocked by the microporous structure 26, the uniform ultraviolet glow low-temperature plasma is generated by effectively utilizing the length of the pore channel, and meanwhile, the low-temperature plasma in the tunnel can crack water molecules to generate oxygen and ozone, so that the tunnel effect of the low-temperature plasma is formed.

In other preferred embodiments, the metal foil 291 is made of any one of copper, nickel, platinum, tungsten, molybdenum, and rhenium.

In other preferred embodiments, the insulator 292 is made of mica, ceramic, fiberglass, teflon, polyimide, PDMS, or the like.

In other preferred embodiments, referring to fig. 1, an air quality detection sensor 3 and a wireless communication component 2 are arranged on the outer surface of the cover 1, wherein the air quality detection sensor 3 is used for detecting the air quality outside the cover 1 in real time, the detection data is transmitted to an external terminal through the wireless communication component 2, and the external terminal adjusts the working frequency of the mesh tunnel type plasma layer 29 according to the received detection data so as to effectively improve the cruising ability of the disinfection and sterilization system. As a preferable mode, the air quality detection sensor 3 is an air quality detection sensor 3 having a photoelectric effect manufactured based on MEMS.

In other preferred embodiments, referring to fig. 1, an energy collector 4 for collecting external energy and converting the external energy into electric energy is arranged on the outer surface of the cover body 1; and the energy storage device 5 is used for storing the electric energy collected by the energy collector 4 and providing power for the first LED laser light source 21 and the second LED laser light source 24. And also supplies power to the air quality detecting sensor 3 and the wireless communication unit 2. The self-power supply of the mask can be realized by arranging the energy collector 4 and the energy storage 5.

As a preferred mode, the energy collector 4 may include any one or more of a solar energy collector, a temperature difference collector, a respiratory energy collector, and a radio frequency energy collector. The solar energy collector, the temperature difference energy collector, the respiratory energy collector and the radio frequency energy collector are commercially available products.

The mask is mainly used for areas with serious epidemic situations of infectious diseases and areas polluted by biochemical weapons, an MEMS (micro-electromechanical systems) scale production manufacturing process is adopted, the cost is very low under the condition of scale production, and the mask can be randomly combined according to the condition so as to reduce the cost and improve the effectiveness. The mask can be used for a long time, the mask body 1 of the mask can be replaced, and the electronic device arranged on the mask body 1 can be used repeatedly.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.