CN111202280A

CN111202280A - Ultraviolet sterilization mask

Info

Publication number: CN111202280A
Application number: CN202010165297.2A
Authority: CN
Inventors: 刘召军; 高丹鹏; 莫炜静
Original assignee: Shenzhen Stan Technology Co Ltd
Current assignee: Shenzhen Stan Technology Co Ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-05-29

Abstract

The invention discloses an ultraviolet sterilization mask which comprises a mask body, an air suction valve, an exhalation valve and a power supply, wherein the air suction valve is arranged on the mask body, the air suction valve comprises an air suction ultraviolet lamp, an air suction ultraviolet absorption layer and an air suction one-way ventilation layer, the air suction one-way ventilation layer is configured to allow external airflow to flow to the mask body in a one-way mode, the exhalation valve is arranged on the mask body and comprises an exhalation ultraviolet lamp, an exhalation ultraviolet absorption layer and an exhalation one-way ventilation layer, the exhalation one-way ventilation layer is configured to allow airflow in the mask body to flow to the outside in a one-way mode, the power supply is arranged in the mask body, and the. This ultraviolet sterilization gauze mask has guaranteed that the air current that flows to the user is comparatively clean, has guaranteed that the external air current of user's exhalation is also comparatively clean to the effect of killing virus and bacterium of ultraviolet sterilization gauze mask has been ensured.

Description

Ultraviolet sterilization mask

Technical Field

The invention relates to the technical field of air filtering devices, in particular to an ultraviolet sterilization mask.

Background

The air contains various fine particles and toxic substances harmful to human bodies, including acid, alkali, salt, amine, phenol and the like, as well as dust, pollen, mites, influenza viruses, tubercle bacillus, pneumococcus and the like, and fine dust-shaped floating particles, and the harmful substances can enter the bronchus of the human bodies and even the lung to cause harm to the health of the human bodies through a respiratory system.

Harmful substances in the air can be filtered by wearing the mask, so that harm to human bodies is reduced. But the gauze mask commonly used at present generally uses the non-woven fabrics to carry out filtration, can filter to a certain extent dust form floating particulate matter in the air like harmful tiny solid particle such as PM2.5 in the haze, but can't effectively kill bacterium and virus in the air.

Disclosure of Invention

The invention aims to provide an ultraviolet sterilization mask which can effectively kill bacteria and viruses in the air.

In order to achieve the technical effects, the technical scheme of the invention is as follows:

the invention discloses an ultraviolet sterilization mask, which comprises: a cover body; the suction valve, the suction valve is established on the cover body, the suction valve includes: an air-breathing ultraviolet lamp for releasing ultraviolet rays to achieve sterilization; the two air suction ultraviolet absorption layers are respectively positioned on two sides of the air suction ultraviolet lamp; a gas-drawing one-way gas-permeable layer positioned inside the gas-drawing ultraviolet absorbing layer disposed inside the gas-drawing ultraviolet lamp, the gas-drawing one-way gas-permeable layer configured to allow an external gas flow to flow one-way toward the cover; an exhalation valve disposed on the mask body, the exhalation valve comprising: the breath ultraviolet lamp is used for releasing ultraviolet rays to realize sterilization; the two breath ultraviolet absorption layers are respectively positioned at two sides of the breath ultraviolet lamp; the expiration one-way ventilation layer is positioned on the inner side of the expiration ultraviolet absorption layer arranged on the inner side of the expiration ultraviolet lamp and is configured to allow airflow inside the cover body to flow to the outside in one way; the power supply is arranged in the cover body and is respectively electrically connected with the inspiration ultraviolet lamp and the expiration ultraviolet lamp.

In some embodiments, the inhalation valve further comprises an inhalation air filter layer located outside the inhalation ultraviolet lamps and inside one of the inhalation ultraviolet absorbing layers.

In some optional embodiments, the inhalation valve further comprises an inhalation antibacterial layer located between the inhalation air filtering layer and the inhalation ultraviolet lamp.

In some embodiments, the exhalation valve further comprises an exhalation air filter layer that is located inside the exhalation ultraviolet lamp and outside one of the exhalation ultraviolet absorber layers.

In some optional embodiments, the exhalation valve further comprises an expiratory antimicrobial layer, the expiratory antimicrobial layer being located between the expiratory air filter layer and the expiratory ultraviolet lamp.

In some embodiments, the uv germicidal mask further comprises an airflow sensing element disposed on the exhalation valve, the airflow sensing element being electrically connected to the inhalation uv lamp and the exhalation uv lamp, respectively.

In some embodiments, the uv germicidal mask further comprises a speaker, and the speaker is disposed on the mask body.

In some embodiments, the expiratory ultraviolet lamp and the inspiratory ultraviolet lamp each comprise a UVC-LED light source.

In some embodiments, the power source comprises one of a dry cell battery, a storage battery, a lithium battery, and a solar cell.

In some embodiments, there are two of said aspirating ultraviolet lamps, said aspirating ultraviolet lamps being disposed opposite one another; the two expiratory ultraviolet lamps are arranged oppositely.

The ultraviolet sterilization mask of this embodiment, owing to be equipped with in the inspiratory valve and breathe in ultraviolet lamp and breathe in the ultraviolet absorption layer, and be equipped with in the expiratory valve and exhale ultraviolet lamp and exhale the ultraviolet absorption layer, guaranteed that flow direction user's air current is comparatively clean, guaranteed that the external air current of user's exhalation is also comparatively clean to the effect of killing virus and bacterium of ultraviolet sterilization mask has been ensured. In addition, the ultraviolet sterilization mask also avoids the harmful effect of ultraviolet rays on the user and people around the user, and improves the use safety of the ultraviolet sterilization mask.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of an ultraviolet germicidal mask in embodiment 1 of the present invention.

Fig. 2 is another schematic structural view of the ultraviolet germicidal mask of embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of an ultraviolet germicidal mask in embodiment 2 of the present invention.

Fig. 4 is another schematic structural view of the ultraviolet germicidal mask of embodiment 2 of the present invention.

Reference numerals:

10. a cover body;

20. an air intake valve; 201. an aspirating ultraviolet lamp; 202. a gettering ultraviolet absorbing layer; 203. a gas-absorbing one-way breathable layer; 204. an intake air filter layer; 205. a gettering antimicrobial layer;

30. an exhalation valve; 301. an expiratory ultraviolet lamp; 302. an expiratory ultraviolet absorbing layer; 303. a breathable layer for breathing; 304. a exhaled air filter layer; 305. a breath antimicrobial layer;

40. a power source; 50. an airflow sensing element; 60. a loudspeaker.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The specific structure of the ultraviolet germicidal mask in accordance with the embodiment of the present invention will be described with reference to fig. 1 to 4.

As shown in fig. 1-4, the ultraviolet sterilization mask of the embodiment of the present invention comprises a mask body 10, an inhalation valve 20, an exhalation valve 30 and a power source 40, wherein the inhalation valve 20 is disposed on the mask body 10, the inhalation valve 20 comprises an inhalation ultraviolet lamp 201, an inhalation ultraviolet absorbing layer 202 and an inhalation one-way ventilation layer 203, the inhalation ultraviolet lamp 201 is used for releasing ultraviolet rays to achieve sterilization, the inhalation ultraviolet absorbing layer 202 is two, the two inhalation ultraviolet absorbing layers 202 are respectively disposed at two sides of the inhalation ultraviolet lamp 201, the inhalation one-way ventilation layer 203 is disposed at the inner side of the inhalation ultraviolet absorbing layer 202 disposed at the inner side of the inhalation ultraviolet lamp 201, the inhalation one-way ventilation layer 203 is configured to allow outside air to flow to the mask body 10 in one way, the exhalation valve 30 is disposed on the mask body 10, the exhalation valve 30 comprises an exhalation ultraviolet lamp 301, an exhalation ultraviolet absorbing layer 302 and an exhalation one-way ventilation layer 303, the exhalation, the number of the expiratory ultraviolet absorption layers 302 is two, the two expiratory ultraviolet absorption layers 302 are respectively located at two sides of the expiratory ultraviolet lamp 301, the expiratory one-way air-permeable layer 303 is located at the inner side of the expiratory ultraviolet absorption layer 302 arranged at the inner side of the expiratory ultraviolet lamp 301, the expiratory one-way air-permeable layer 303 is configured to allow the air flow inside the cover 10 to flow to the outside in a one-way manner, the power source 40 is arranged in the cover 10, and the power source 40 is respectively electrically connected with the inspiratory ultraviolet lamp 201 and the expiratory ultraviolet lamp 301.

It can be understood that, in the actual use process, when the user wears the mask, when the outside air passes through the inhalation valve 20, the ultraviolet rays emitted by the inhalation ultraviolet lamp 201 can effectively kill the bacteria and viruses contained in the air flow, thereby ensuring that the air flow flowing to the user is relatively clean. When the user exhales, the exhaled air flow passes through the exhalation valve 30, and the ultraviolet rays emitted by the exhalation ultraviolet lamp 301 can effectively kill the bacteria and viruses contained in the air flow, so that the air flow exhaled by the user is relatively clean. Meanwhile, the inhalation ultraviolet absorption layer 202 and the exhalation ultraviolet absorption layer 302 can better absorb ultraviolet rays emitted by the ultraviolet lamp, and the ultraviolet rays are prevented from generating adverse effects on the user and people around the user, so that the phenomenon of ultraviolet ray pollution is avoided.

In addition, be equipped with breathing in ultraviolet absorbing layer 202 in the inspiratory valve 20 and be equipped with expiration ultraviolet absorbing layer 302 in the expiratory valve 30, breathing in ultraviolet absorbing layer 202 and expiration ultraviolet absorbing layer 302 can control the ultraviolet ray that breathing in ultraviolet lamp 201 and expiration ultraviolet lamp 301 sent in inspiratory valve 20 and expiratory valve 30 to avoid the ultraviolet to produce harmful effects to user itself and the crowd around the user, promoted the safety in utilization of the ultraviolet sterilization gauze mask of this embodiment.

It should be added that the provision of the inspiration unidirectional air-permeable layer 203 and the expiration unidirectional air-permeable layer 303 can realize the continuous circulation of the air in the mask body 10 and the outside air, thereby ensuring the use satisfaction of the user.

The ultraviolet sterilization mask of this embodiment, owing to be equipped with in the inspiratory valve 20 and breathe in ultraviolet lamp 201 and breathe in ultraviolet absorbing layer 202 and be equipped with expiration ultraviolet lamp 301 and expiration ultraviolet absorbing layer 302 in the expiratory valve 30, guaranteed that the air current that flows to the user is comparatively clean, guaranteed that the external air current of user's exhalation is also comparatively clean to the effect of the virus and the bacterium of killing of ultraviolet sterilization mask has been ensured. In addition, the ultraviolet sterilization mask also avoids the harmful effect of ultraviolet rays on the user and people around the user, and improves the use safety of the ultraviolet sterilization mask.

It should be additionally noted that the inhalation uv absorbing layer 202 and the exhalation uv absorbing layer 302 are both nonwoven fabrics, and the nonwoven fabrics are provided with uv absorber coatings. It can be understood that the formation of the inhalation uv absorbing layer 202 and the exhalation uv absorbing layer 302 in a non-woven fabric structure coated with a uv absorbent coating can reduce the production cost of both layers while ensuring the antibacterial effect, thereby controlling the production cost of the entire uv sterilizing mask. In addition, the main bodies of the inhalation ultraviolet absorption layer 202 and the exhalation ultraviolet absorption layer 302 are made of non-woven fabrics, so that the softness of the inhalation ultraviolet absorption layer and the exhalation ultraviolet absorption layer can be improved, and the wearing comfort of a user is improved. Of course, in other embodiments of the present invention, the ultraviolet absorption layer may also be a layer structure made of other air permeable materials, and is not limited to the nonwoven fabric of this embodiment.

Optionally, the ultraviolet absorbent is one or more of salicylic acid esters, benzophenones, benzotriazoles, substituted acrylonitriles, and triazines. Of course, in other embodiments of the present invention, the ultraviolet light absorber may be selected according to the actual application.

In some embodiments, as shown in fig. 4, the inhalation valve 20 further comprises an inhalation air filtration layer 204, the inhalation air filtration layer 204 being located outside the inhalation ultraviolet lamp 201 and inside one of the inhalation ultraviolet absorption layers 202. It can be understood that the air filtering layer 204 of breathing in can filter the particulate matter in the outside air, has promoted the filter effect of this ultraviolet sterilization gauze mask on the one hand, and on the other hand has avoided the adverse effect of particulate matter to ultraviolet to the bactericidal effect of ultraviolet lamp 201 of breathing in has been guaranteed. It should be noted that the air filter layer 204 can be a detachable layer structure, so that the user can replace the air filter layer 204 according to actual needs after long-term use, thereby ensuring that the uv sterilization mask of the present embodiment still has a good filtering effect after long-term use. In addition, in the present embodiment, the intake air filter layer 204 may be any laminate structure having a filtering effect, and the intake air filter layer 204 is not particularly limited.

In some alternative embodiments, as shown in fig. 4, the inhalation valve 20 further comprises an inhalation antibacterial layer 205, the inhalation antibacterial layer 205 being located between the inhalation air filtering layer 204 and the inhalation ultraviolet lamp 201. It can be understood that the added air-breathing antibacterial layer 205 can further improve the sterilization effect of the air-breathing valve 20, thereby ensuring the cleanliness of the air flow flowing to the user and ensuring the health of the user. It should be noted that the detachable layer structure of the air intake antibacterial layer 205 can be selected, so that after long-term use, a user can replace the air intake antibacterial layer 205 according to actual needs, thereby ensuring that the ultraviolet sterilization mask of the present embodiment still has a good sterilization effect after long-term use.

Optionally, the air-breathing antibacterial layer 205 is a non-woven fabric on which a nano silver and nano zinc oxide coating is provided. It can be understood that the formation of the air-breathing antibacterial layer 205 as a non-woven fabric structure coated with nano silver and nano zinc oxide coating can reduce the production cost of the air-breathing antibacterial layer 205 on the premise of ensuring the antibacterial action, thereby controlling the production cost of the whole ultraviolet sterilization mask. In addition, the main body of the air-breathing antibacterial layer 205 is made of non-woven fabric, so that the flexibility of the air-breathing antibacterial layer 205 is improved, and the wearing comfort of a user is improved. Of course, in other embodiments of the present invention, the air-breathing antibacterial layer 205 may also be a layer structure made of other air-permeable materials, and is not limited to the nonwoven fabric of this embodiment.

In some embodiments, the exhalation valve 30 further comprises an exhalation air filter layer 304, the exhalation air filter layer 304 being located inside the expiratory ultraviolet lamps 301 and outside one of the expiratory ultraviolet absorbing layers 302. It can be understood that expiration air filter layer 304 can play the filter effect to the air current of user's exhalation, has promoted the filter effect of this ultraviolet sterilization gauze mask on the one hand, and on the other hand has avoided the foreign matter in the air current of user's exhalation to ultraviolet adverse effect to expiration ultraviolet lamp 301's bactericidal effect has been guaranteed. It should be noted that the expiration air filter 304 may be a detachable sheet structure, so that the user may replace the expiration air filter 304 according to actual needs after long-term use, thereby ensuring that the uv sterilization mask of the present embodiment still has a good filtering effect after long-term use. In addition, in the present embodiment, any laminate structure having a filtering effect may be used for the expiratory air filter layer 304, and the expiratory air filter layer 304 is not particularly limited.

In some alternative embodiments, as shown in fig. 4, the expiratory valve 30 further comprises a expiratory antimicrobial layer 305, the expiratory antimicrobial layer 305 being located between the expiratory air filter layer 304 and the expiratory ultraviolet lamp 301. It can be understood that the added expiratory antimicrobial layer 305 can further improve the degerming effect of the expiratory valve 30, thereby ensuring the cleanliness of the airflow flowing to the outside of the user and ensuring the health of other users around the user. It should be noted that the expiration antibacterial layer 305 may be a detachable layer structure, so that after long-term use, the user may replace the expiration antibacterial layer 305 according to actual needs, thereby ensuring that the ultraviolet sterilization mask of the present embodiment still has a good sterilization effect after long-term use.

Optionally, the expiratory antimicrobial layer 305 is a non-woven fabric, and the non-woven fabric is provided with a nano silver coating and a nano zinc oxide coating. It can be understood that the exhalation antibacterial layer 305 is formed into a non-woven fabric structure coated with nano silver and nano zinc oxide coatings, so that the production cost of the exhalation antibacterial layer 305 can be reduced on the premise of ensuring the antibacterial action, and the production cost of the whole ultraviolet sterilization mask can be controlled. In addition, the main body of the expiratory antimicrobial layer 305 is a non-woven fabric, so that the softness of the expiratory antimicrobial layer 305 is improved, and the wearing comfort of a user is improved. Of course, in other embodiments of the present invention, the expiratory antimicrobial layer 305 may also be a layer structure made of other air-permeable materials, and is not limited to the nonwoven fabric of this embodiment.

In some embodiments, as shown in fig. 4, the uv germicidal mask further comprises an airflow sensing element 50, the airflow sensing element 50 is disposed on the exhalation valve 30, and the airflow sensing element 50 is electrically connected to the inhalation uv lamp 201 and the exhalation uv lamp 301 respectively. It can be understood that, airflow induction element 50 can realize inhaling ultraviolet lamp 201 and exhale ultraviolet lamp 301's intelligent regulation and control simultaneously, and when the human body used this gauze mask breathing, produce the air current in the expiratory valve 30, change air current atmospheric pressure into the signal of telecommunication through airflow induction element 50, show that gauze mask people used this moment, then inhale ultraviolet lamp 201 and exhale ultraviolet lamp 301 and start, launch the ultraviolet ray and carry out the sterilization of the interior air current of inspiratory valve 20 and expiratory valve 30. Meanwhile, the power of the ultraviolet lamp can be regulated according to the flow rate and the air pressure of the respiratory airflow. Thereby avoiding the phenomenon that the inspiration ultraviolet lamp 201 and the expiration ultraviolet lamp 301 are still turned on when the ultraviolet sterilization mask is not worn.

It should be noted that the gas flow sensing element 50 may be a gas sensor of the prior art, which is commercially available, and the specific model, parameters and sensitivity of the gas flow sensing element 50 may be selected according to actual needs.

In some embodiments, as shown in fig. 3-4, the uv germicidal mask further comprises a speaker 60, and the speaker 60 is disposed on the mask body 10. It can be understood that the speaker 60 can amplify the sound of the wearer, so that the wearer can wear the mask in some special occasions, such as traffic police duty, teacher class, conference hall host, etc., thereby improving the user satisfaction of the uv sterilization mask of the present embodiment.

In some embodiments, both expiratory ultraviolet lamp 301 and inspiratory ultraviolet lamp 201 comprise UVC-LED light sources. It can be understood that the UVC-LED light source is low in power, small in size, environmentally friendly and safe. The selection of the UVC-LED light source by the expiration ultraviolet lamp 301 and the inspiration ultraviolet lamp 201 not only can control the size of the whole ultraviolet sterilization mask, avoid the phenomenon that the size of the ultraviolet sterilization mask is too large, but also can ensure the use safety of the ultraviolet sterilization mask.

Optionally, the UVC-LED light source is packaged by a photoelectric semiconductor chip with a peak wavelength of emitted light of 200 and 280 nm.

Of course, in other embodiments of the present invention, other ultraviolet light sources may be selected for the expiratory ultraviolet lamp 301 and the inspiratory ultraviolet lamp 201 according to the actual application.

In some embodiments, the power source 40 includes one of a dry cell battery, a storage battery, a lithium battery, and a solar cell.

In some embodiments, there are two aspirating ultraviolet lamps 201, and the two aspirating ultraviolet lamps 201 are disposed opposite to each other; two expiratory ultraviolet lamps 301 are provided, and the two expiratory ultraviolet lamps 301 are arranged oppositely. Therefore, the sterilization effect of the inhalation ultraviolet lamp 201 and the exhalation ultraviolet lamp 301 can be ensured, and the cleanliness of the inhalation airflow and the exhalation airflow can be ensured. Of course, the arrangement of the inspiratory ultraviolet lamp 201 and the expiratory ultraviolet lamp 301 may be selected according to practical use, and is not limited to two in the present embodiment.

Specific structures of the ultraviolet germicidal mask according to two embodiments of the present invention will be described with reference to fig. 1 to 4.

Example 1:

as shown in fig. 1-2, the ultraviolet sterilization mask of the present embodiment includes a mask body 10, an inhalation valve 20, an exhalation valve 30 and a power source 40, the inhalation valve 20 is disposed on the mask body 10, the inhalation valve 20 includes inhalation ultraviolet lamps 201, inhalation ultraviolet absorbing layers 202 and inhalation one-way ventilation layers 203, the inhalation ultraviolet lamps 201 are used for releasing ultraviolet rays to achieve sterilization, there are two inhalation ultraviolet absorbing layers 202, the two inhalation ultraviolet absorbing layers 202 are respectively disposed at two sides of the inhalation ultraviolet lamps 201, the inhalation one-way ventilation layers 203 are disposed at the inner sides of the inhalation ultraviolet absorbing layers 202 disposed at the inner sides of the inhalation ultraviolet lamps 201, the inhalation one-way ventilation layers 203 are configured to allow outside air to flow to the mask body 10 in one way, the exhalation valve 30 is disposed on the mask body 10, the exhalation valve 30 includes an exhalation ultraviolet lamp 301, an exhalation ultraviolet absorbing layer 302 and an exhalation one-way ventilation layer 303, the exhalation ultraviolet lamp 301 is, the number of the expiratory ultraviolet absorption layers 302 is two, the two expiratory ultraviolet absorption layers 302 are respectively located at two sides of the expiratory ultraviolet lamp 301, the expiratory one-way air-permeable layer 303 is located at the inner side of the expiratory ultraviolet absorption layer 302 arranged at the inner side of the expiratory ultraviolet lamp 301, the expiratory one-way air-permeable layer 303 is configured to allow the air flow inside the cover 10 to flow to the outside in a one-way manner, the power source 40 is arranged in the cover 10, and the power source 40 is respectively electrically connected with the inspiratory ultraviolet lamp 201 and the expiratory ultraviolet lamp 301.

Example 2:

as shown in fig. 3-4, the structure of the uv germicidal mask of this embodiment is substantially the same as that of embodiment 1, except that the uv germicidal mask further comprises an airflow sensing element 50 and a speaker 60, the airflow sensing element 50 is disposed on the exhalation valve 30, and the airflow sensing element 50 is electrically connected to the inhalation uv lamp 201 and the exhalation uv lamp 301, respectively. The speaker 60 is provided on the enclosure 10. The inhalation valve 20 further comprises an inhalation air filtering layer 204 and an inhalation antibacterial layer 205, the inhalation air filtering layer 204 being positioned outside the inhalation ultraviolet lamp 201 and inside one of the inhalation ultraviolet absorbing layers 202. The aspirating antimicrobial layer 205 is located between the aspirating air filtration layer 204 and the aspirating ultraviolet lamp 201. The exhalation valve 30 further includes an exhalation air filter layer 304 and an exhalation antibacterial layer 305, the exhalation air filter layer 304 being located inside the expiratory ultraviolet lamp 301 and outside one of the expiratory ultraviolet absorbing layers 302. The expiratory antimicrobial layer 305 is located between the expiratory air filter layer 304 and the expiratory ultraviolet lamp 301.

The ultraviolet sterilization mask of the embodiment has the following advantages:

firstly, all inhaled air is subjected to multi-layer filtration and sterilization by the inhalation valve 20 and all exhaled air is subjected to multi-layer filtration and sterilization by the exhalation valve 30, so that the treatment effect of the inhaled and exhaled air is ensured;

secondly, the air in the air suction valve 20 and the air in the exhalation valve 30 are sterilized and disinfected through the air suction ultraviolet lamp 201 and the exhalation ultraviolet lamp 301 respectively, so that the harm of harmful substances in the air to human bodies is reduced to the maximum extent;

thirdly, the added inhalation ultraviolet absorption layer 202 and exhalation ultraviolet layer can avoid the harm of excessive ultraviolet radiation to human bodies or other organisms;

fourth, the added airflow sensing element 50 can generate air pressure by sensing respiration, and when a person wears the mask, the air suction ultraviolet lamp 201 and the air expiration ultraviolet lamp 301 are turned on to sterilize air, and when the mask is not worn by the person, the air suction ultraviolet lamp 201 and the air expiration ultraviolet lamp 301 are turned off, so that the phenomenon that the air suction ultraviolet lamp 201 and the air expiration ultraviolet lamp 301 still work when the mask is not worn by the person is avoided;

fifthly, the additional loudspeaker 60 can solve the problems of sound distortion of a microphone when a mask is worn and is convenient for a part of personnel in special working occasions to wear;

sixthly, the added air-breathing unidirectional air-permeable layer 203 and the added air-breathing unidirectional air-permeable layer 303 can ensure the circulation of the air inside the cover body 10 and the outside air, thereby ensuring the use safety of users.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. an ultraviolet sterilization mask, is characterized in that, comprises:

cover body (10);

A suction valve (20), the suction valve (20) is provided on the cover body (10), and the suction valve (20) comprises:

a suction ultraviolet lamp (201), the suction ultraviolet lamp (201) is used for releasing ultraviolet rays to achieve sterilization;

Inhalation ultraviolet absorbing layers (202), the inhalation ultraviolet absorbing layers (202) are two, and the two inhaling ultraviolet absorbing layers (202) are respectively located on both sides of the inhalation ultraviolet lamp (201);

an inhalation one-way breathable layer (203), the inhalation one-way air permeable layer (203) is located on the inner side of the inhalation ultraviolet absorbing layer (202) arranged on the inner side of the inhalation ultraviolet lamp (201). The inhalation one-way breathable layer (203) is configured to allow the outside airflow to flow to the cover body (10) in one direction;

An exhalation valve (30), the exhalation valve (30) is provided on the cover body (10), and the exhalation valve (30) comprises:

an exhalation ultraviolet lamp (301), the exhalation ultraviolet lamp (301) is used for releasing ultraviolet rays to achieve sterilization;

an exhalation ultraviolet absorbing layer (302), the number of the exhalation ultraviolet absorbing layers (302) is two, and the two exhalation ultraviolet absorbing layers (302) are respectively located on both sides of the exhalation ultraviolet lamp (301);

An exhalation one-way breathable layer (303), the exhalation one-way breathable layer (303) is located on the inner side of the exhalation ultraviolet absorbing layer (302) arranged on the inner side of the exhalation ultraviolet lamp (301), and the The exhalation one-way breathable layer (303) is configured to allow the air flow inside the cover body (10) to flow in one direction to the outside;

A power supply (40), the power supply (40) is provided in the cover body (10), and the power supply (40) is electrically connected to the inhalation ultraviolet lamp (201) and the exhalation ultraviolet lamp (301) respectively. connect.

2. ultraviolet sterilization mask according to claim 1, is characterized in that, described suction valve (20) also comprises suction air filter layer (204), and described suction air filter layer (204) is located in the suction air filter layer (204). The outer side of the gas ultraviolet lamp (201) is located on the inner side of one of the inhalation ultraviolet absorbing layers (202).

3. The ultraviolet sterilization mask according to claim 2, the inhalation valve (20) further comprises an inhalation antibacterial layer (205), and the inhalation antibacterial layer (205) is located at the inhalation air filter layer (204) ) and the suction ultraviolet lamp (201).

4. ultraviolet sterilization mask according to claim 1, is characterized in that, described exhalation valve (30) also comprises exhalation air filter layer (304), and described exhalation air filter layer (304) is located in described exhalation air filter layer (304). The inner side of the exhalation ultraviolet lamp (301), and the outer side of one of the exhalation ultraviolet absorbing layers (302).

5. The ultraviolet sterilization mask according to claim 4, wherein the exhalation valve (30) further comprises an exhalation antibacterial layer (305), and the exhalation antibacterial layer (305) is located in the exhalation air between the filter layer (304) and the exhalation ultraviolet lamp (301).

6. The ultraviolet sterilizing mask according to claim 1, wherein the ultraviolet sterilizing mask also comprises an airflow sensing element (50), and the airflow sensing element (50) is arranged on the exhalation valve (30) and the airflow sensing element (50) is respectively electrically connected to the inhalation ultraviolet lamp (201) and the exhalation ultraviolet lamp (301).

7. The ultraviolet sterilization mask according to claim 1, characterized in that, the ultraviolet sterilization mask further comprises a speaker (60), and the speaker (60) is provided on the cover body (10).

8. The ultraviolet germicidal mask according to claim 1, wherein the exhalation ultraviolet lamp (301) and the inhalation ultraviolet lamp (201) both comprise UVC-LED light sources.

9. The ultraviolet sterilizing mask according to claim 1, wherein the power source (40) comprises one of dry cells, accumulators, lithium batteries and solar cells.

10. The ultraviolet sterilizing mask according to claim 1, wherein the number of the inhalation ultraviolet lamps (201) is two, and the two inhalation ultraviolet lamps (201) are arranged oppositely; the exhalation ultraviolet lamps (301) is two, and the two exhalation ultraviolet lamps (301) are arranged opposite each other.