CN114177551A

CN114177551A - Gauze mask

Info

Publication number: CN114177551A
Application number: CN202010966128.9A
Authority: CN
Inventors: 袁仕杰
Original assignee: Zhongxing Technology Group Co ltd
Current assignee: Zhongxing Technology Group Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2022-03-15

Abstract

The invention provides a mask, which comprises a mask body, a filtering module, a light generator and a photocatalyst piece, wherein the filtering module, the light generator and the photocatalyst piece are arranged on the mask body, the filtering module comprises a cavity, an air inlet and an air outlet are formed in the filtering module, the air inlet and the air outlet are positioned in different areas of the filtering module, the photocatalyst piece and the light generator are both positioned in the cavity, a photocatalyst layer covers the surface of the photocatalyst piece, and light emitted by the light generator irradiates on the photocatalyst piece. In the embodiment of the invention, the light generator and the photocatalyst element are arranged in the cavity of the filtering module, and the photocatalyst generates substances with strong oxidizing property under the irradiation of light, so that toxic and harmful substances can be inactivated. Therefore, the light generator and the photocatalyst piece are placed in the cavity of the filtering module, toxic and harmful substances on the mask can be sterilized and inactivated, the sterilized and inactivated toxic and harmful substances are no longer toxic, secondary separation cannot cause pollution, and the problem that secondary pollution is caused due to the fact that the toxic and harmful substances of the mask are easily separated in the prior art is solved.

Description

Gauze mask

Technical Field

The invention relates to the field of air purification, in particular to a mask.

Background

In the prior art, the mask mainly adsorbs particle dust and toxic and harmful substances in air through an active carbon filter layer or a flock spraying cloth, so that the effect of preventing the particle dust and the toxic and harmful substances in the air from being inhaled into the mouth and the nose by people is achieved. However, the toxic and harmful substances adsorbed by the activated carbon filter layer or the flock spraying cloth are easy to separate to form secondary pollution, namely, the mask in the prior art only adsorbs the toxic and harmful substances, and the toxic and harmful substances are easy to separate to cause secondary pollution.

Disclosure of Invention

The embodiment of the invention provides a mask, which solves the problem that the mask in the prior art only adsorbs fine dust and toxic and harmful substances, and the toxic and harmful substances are easy to separate to form secondary pollution.

In order to achieve the above object, an embodiment of the present invention provides a mask, including: the mask comprises a mask body and a filtering module arranged on the mask body;

the filter module comprises a cavity, an air inlet and an air outlet which are arranged on the cavity, and a light generator and a photocatalyst piece which are arranged in the cavity;

the surface of the photocatalyst part is covered with a photocatalyst layer, and light emitted by the light generator irradiates on the photocatalyst part.

Optionally, the filter module further comprises a filter element disposed at the air inlet.

Optionally, the filter module further includes a reflector, the reflector is located in the cavity, and the reflector reflects the light emitted by the light generator.

Optionally, the light generator is an ultraviolet generator.

Optionally, the mask further comprises a protective cover, wherein the protective cover is located outside the filter module and outside the filter element.

Optionally, the filter module further includes a power interface disposed outside the filter module and a rechargeable battery disposed in the cavity, and the rechargeable battery is electrically connected to the power interface and the light generator respectively.

Optionally, the filter module further includes a controller and an indicator lamp located in the cavity, an opening adapted to the indicator lamp is formed in the filter module, so that the indicator lamp is exposed on the surface of the filter module, and the controller is electrically connected to the light generator.

Optionally, a gasket is further arranged around the mask body and connected with the mask body.

Optionally, still be equipped with first magnetite on the gauze mask body, be equipped with the sheetmetal on the filter module, the filter module passes through the sheetmetal with on the gauze mask body first magnetite adsorbs the connection.

Optionally, a second magnet is arranged on one side of the filter module, which is opposite to the protective cover.

In the embodiment of the invention, the light generator and the photocatalyst element are arranged in the cavity of the filter module, the surface of the photocatalyst element is covered with the photocatalyst layer, and light emitted by the light generator irradiates on the photocatalyst element. The photocatalyst can effectively degrade toxic and harmful substances in the air such as various bacteria and viruses due to the generation of substances with strong oxidizing property under the irradiation of light, and can decompose and harmlessly treat toxins released by the bacteria or the viruses, so that the photocatalyst has no toxicity to human bodies. Therefore, the light generator and the photocatalyst piece are placed in the cavity of the filter module, toxic and harmful substances on the mask can be sterilized and inactivated, the sterilized and inactivated toxic and harmful substances are no longer toxic, secondary separation cannot cause pollution, and the problem that secondary pollution is caused because the mask only adsorbs particle dust and toxic and harmful substances and the toxic and harmful substances are separated easily in the prior art is solved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings in the specification are described below, it is obvious that the drawings are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a front view of a mask according to an embodiment of the present invention;

fig. 2 is a left side view of the mask according to the embodiment of the present invention;

fig. 3 is a right side view of a mask provided in accordance with an embodiment of the present invention;

fig. 4 is a top view of a mask provided in accordance with an embodiment of the present invention;

fig. 5 is a bottom view of a mask according to an embodiment of the present invention;

fig. 6 is a rear view of a mask provided in accordance with an embodiment of the present invention;

FIG. 7 is a perspective view of the mask of the present invention;

fig. 8 is a second perspective view of the mask according to the embodiment of the present invention;

fig. 9 is a cross-sectional view of a mask according to an embodiment of the present invention;

fig. 10 is a second cross-sectional view of the mask according to the embodiment of the present invention;

fig. 11 is a third sectional view of the mask of the present invention;

fig. 12 is an exploded perspective view of the mask according to the embodiment of the present invention.

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. On the basis of the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any inventive work are within the scope of the present invention.

Referring to fig. 7 and 12, the mask provided in the embodiment of the present invention includes a mask body 5, and a filter module 29 disposed on the mask body 5;

the filter module 29 comprises a cavity 7, an air inlet 3 and an air outlet 4 arranged on the cavity 7, and a light generator 9 and a photocatalyst element 8 arranged in the cavity 7;

the surface of the photocatalyst piece 8 is covered with a photocatalyst layer, and light emitted by the light generator 9 irradiates on the photocatalyst piece 8.

Specifically, the mask body 5 provided by the embodiment of the present invention may be made of a plastic material having a certain strength, and when the mask is worn by a user, an external force may be slightly applied to the mask body 5 to cause the mask body 5 to generate plastic deformation, so as to more closely conform to the shape of the face of the user, thereby forming a closed breathing space. The mask body 5 may have an oval shape or the like, and the shape is designed to be more closely fitted to the face of the user according to the shape of the face of the user. The filter module 29 may be formed by fixedly connecting the first half-shell 1 and the second half-shell 2 made of plastic material by means of fasteners such as screws. Have cavity 7 between first half shell 1 and the second half shell 2, be equipped with air inlet 3 on the first half shell 1, be equipped with gas outlet 4 on the second half shell 2, the position department that corresponds with gas outlet 4 on the gauze mask body 5 is equipped with air-inlet grille 12.

The shape of the photocatalyst element 8 can be set according to actual needs, for example, the shape can be a quadrangle. The photocatalyst member 8 can be made of plastic or metal, and the surface of the photocatalyst member 8 can be uniformly covered with a nano photocatalyst layer by spraying and other methods. The air inlet 3 department is equipped with support 11 in the cavity, and support 11 can paste and weld in first half shell 1 inboard, and support 11 department is located to photocatalyst piece 8. The cavity 7 can be internally provided with an embedded groove or an embedded column, and the photocatalyst piece 8 is fixed through the embedded groove or the embedded column.

The type of light emitted by the light generator 9 may be any type of light that can cause the photocatalyst member 8 to degrade toxic and harmful substances. The light generator 9 is electrically connected to a power supply, and the power supply supplies power to the light generator 9. The power supply may be a disposable power supply or a rechargeable power supply built into the air purifier. The light generator 9 is disposed adjacent to the photocatalyst element 8 and between the photocatalyst element 8 and the air outlet 4, and the light emitted from the light generator 9 can sufficiently irradiate the photocatalyst element 8. The cavity 7 may be provided with an insert slot or an insert column, and the light generator 9 is fixed by the insert slot or the insert column.

When a user inhales with the mask provided by the embodiment of the invention, external air enters from the air inlet 3, flows through the photocatalyst piece 8 through the cavity, flows out from the air outlet 4, and enters a breathing space formed by the mask body 5 and the face of the user for the user to breathe. The photocatalyst generates substances with strong oxidizing property under the irradiation of light, effectively degrades toxic and harmful substances in the air such as various bacteria and viruses, and decomposes and harmlessly treats toxins released by the bacteria or the viruses so that the photocatalyst has no toxicity to human bodies. Therefore, the light generator 9 and the photocatalyst piece 8 are arranged in the cavity 7 of the filter module 29, toxic and harmful substances on the mask can be sterilized and inactivated, the sterilized and inactivated toxic and harmful substances have no toxicity, and secondary separation does not cause pollution, so that the problem that secondary pollution is caused because the mask only adsorbs particle dust and toxic and harmful substances and the toxic and harmful substances are easily separated in the prior art is solved.

In addition, the mask in the prior art does not have the function of disinfection and sterilization, and the gas exhaled by the user is easily cross-infected if the gas has germs and is discharged into the air, so that when the user exhales by using the mask provided by the embodiment of the invention, the exhaled gas enters from the air inlet grid 12, flows through the photocatalyst element 8 through the cavity 7 and flows out from the air inlet 3. Because the exhaled air flows through the light generator 9 and the photocatalyst element 8, the photocatalyst element can carry out harmless treatment on toxic and harmful substances under the illumination, and the toxic and harmful substances in the exhaled air such as germs are sterilized and inactivated in the cavity 7 and then discharged into the air, so that the problem that the mask in the prior art does not have the function of sterilization and disinfection, and cross infection is easily caused if the gas exhaled by a user is discharged into the air with germs is solved.

Alternatively, as shown in fig. 9 and 12, the filter module 29 also comprises a filter element 16 arranged at the air inlet 3.

Specifically, filter 16 and filter module 29 may be detachably connected, and filter 16 may be placed on filter placement frame 18 by disposing filter placement frame 18 outside first half shell 1, so as to detachably connect filter 16 and filter module 29. The filter piece 16 can be made of polypropylene melt-blown non-woven fabric, the fiber diameter of the melt-blown non-woven fabric is relatively small, about 2 microns, and toxic and harmful substances such as bacteria can be effectively blocked outside the mask. Through setting up poisonous and harmful substance such as dust, bacterium and virus in the filtration air of filtering piece 16, can further improve the filter effect of gauze mask to the air.

Optionally, as shown in fig. 10 and 12, the filter module 29 further includes a reflector, which is located in the cavity 7 and reflects the light emitted by the light generator 9.

Specifically, the reflection member may include a first reflection member 10a and a second reflection member 10 b. The first reflector 10a is disposed at the support 11 of the air inlet 3 and located outside the photocatalyst element 8, and the first reflector 10a may be further bonded to the inside of the support 11. First reflection part 10a can be formed by the level crossing combination, the level crossing includes first mirror, second mirror, third mirror and fourth mirror, and first mirror, second mirror, third mirror and fourth mirror connect gradually and enclose and close and form first reflection part 10a, and the plane of reflection of first mirror, second mirror, third mirror and fourth mirror is towards photocatalyst piece 8. The second reflecting member 10b may be a plane mirror, the second reflecting member 10b is located at a first side of the light generator 9 and is disposed opposite to the reflecting surface of the first reflecting member 10a, and the reflecting surface of the second reflecting member 10b faces the reflecting surface of the first reflecting member 10a opposite thereto.

Light that sends light generator 9 through setting up the reflection part reflects like shortwave ultraviolet ray, can strengthen illumination density to strengthen photocatalyst 8 and degraded the effect of poisonous and harmful substance, strengthened the sterile effect of gauze mask sterilization.

Optionally, the light generator 9 is an ultraviolet generator.

Specifically, the light generator 9 capable of generating short-wave ultraviolet rays, such as UVC lamp beads (UVC is short-wave ultraviolet rays), can be selected to irradiate the photocatalyst layer, and the photocatalyst generates substances with strong oxidizing property under the irradiation of the short-wave ultraviolet rays, so that toxic and harmful substances in the air, such as various bacteria and viruses, can be effectively degraded, and toxins released by the bacteria or the viruses can be decomposed and subjected to harmless treatment, so that the photocatalyst has no toxicity to a human body. In addition, the short wave ultraviolet rays can also destroy the molecular structure of DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) in the cells of the microorganism body, cause the death of growing cells and/or regenerative cells, and have the functions of sterilization and disinfection. The ultraviolet light generator 9 is selected to have the sterilization and disinfection function due to the ultraviolet light itself, so that the sterilization and disinfection effects of the mask can be further enhanced.

Optionally, as shown in fig. 12, the mask further includes a protective cover 17, and the protective cover 17 is located outside the filter module 29 and outside the filter 16.

In particular, the protective cover 17 can be detachably connected to the filter module 29. The protective cover 17 may be made of plastic, and a grille is disposed at a position of the protective cover 17 corresponding to the air inlet 3. The protective cover 17 prevents foreign objects from striking and damaging the internal components of the filter module 29. In addition, the protective cover 17 is detachably connected with the filter module 29, so that a user can conveniently take the protective cover 17 to clean or replace internal devices such as the filter piece 16 and the reflection piece in the filter module 29, and the service life of the mask is prolonged.

Optionally, as shown in fig. 11 and 12, the filter module 29 further includes a power interface 19 disposed outside the filter module 29 and a rechargeable battery 20 disposed in the cavity 7, and the rechargeable battery 20 is electrically connected to the power interface 19 and the light generator 9, respectively. The user may charge the rechargeable battery 20 via the power interface 19, the rechargeable battery 20 providing power to the light generator 9. The rechargeable battery 20 is adopted to supply power to the light generator 9, so that the disposable battery is avoided, and the disposable battery with exhausted electric quantity is discarded to cause environmental pollution.

Optionally, as shown in fig. 12, the filter module 29 further includes a controller and an indicator lamp located in the cavity 7, an opening adapted to the indicator lamp is formed on the filter module 29, so that the indicator lamp is exposed on the surface of the filter module, and the controller is electrically connected to the light generator 9.

Specifically, the controller includes a power supply circuit board 23 and a switch 24, and the power supply circuit board 23 is electrically connected to the rechargeable battery 20. The switch 24 may be disposed on the power supply circuit board 23, and electrically connected to the power supply circuit board 23, for controlling the opening and closing of the light generator 9. The switch 24 may be a mechanical switch such as a push button switch, a knob switch, etc., and the first half-shell 1 is provided with an opening corresponding to the switch 24, so that the switch 24 is exposed on the surface of the filtering device for the convenience of the user.

Further, as shown in fig. 1 and 7, the filter module 29 further includes a first indicator light 21 and a second indicator light 26. The filter module 29 is provided with a first lamp hole 22 and a second lamp hole 25 corresponding to the first indicator lamp 21 and the second indicator lamp 26, respectively, so that the light information of the indicator lamps can be emitted to the outside through the lamp holes.

Specifically, the first indicator light 21 and the second indicator light 26 may be LED lights (LEDs are light emitting diodes), and the LED lights may be attached to the power supply circuit board 23 and electrically connected to the power supply circuit board 23. The state of the light generator 9 or the rechargeable battery 20 is indicated by blinking, lighting or displaying a different color by an LED or the like. Such as: the first indicator light 21 may indicate any of the following states by blinking, lighting, or different colors:

the rechargeable battery 20 is being charged;

the rechargeable battery 20 is low;

the rechargeable battery 20 is fully charged.

Optionally, as shown in fig. 4 and 5, a gasket 6 is further disposed around the mask body 5, and the gasket 6 is connected to the mask body 5.

Specifically, the gasket 6 may be made of rubber, or may be made of medical sponge to form the sponge gasket 6. The gasket 6 can be internally provided with a groove, and the elastic connection between the gasket 6 and the periphery of the mask body 5 is realized through the groove. The gasket 6 may be adhered to the periphery of the mask body 5. Can make the more inseparable laminating user face of gauze mask body 5 through setting up packing ring 6, form inclosed breathing space more, avoid the poisonous and harmful substance in the air to get into breathing space through the gap of gauze mask body 5 with the facial laminating department of user, lead to the filter effect variation of gauze mask.

Optionally, still be equipped with first magnetite 27 on the gauze mask body 5, be equipped with sheetmetal 28 on the filter module 29, filter module 29 passes through sheetmetal 28 with on the gauze mask body 5 first magnetite 27 adsorbs the connection.

The detachable connection between the mask body 5 and the filter module 29 is realized through the magnetic adsorption of the metal sheet 28 and the first magnet 27, so that the filter module 29 and the mask body 5 can be detached by a user conveniently, and the mask body is cleaned and disinfected respectively.

Optionally, a second magnet 13 is disposed on a side of the filter module 29 opposite to the protective cover 17.

Specifically, the second magnet 13 is fixedly connected with the filter module 29, a metal block may be disposed at a position on the protective cover 17 opposite to the second magnet 13, and the filter module 29 and the protective cover 17 are detachably connected by magnetic attraction of the second magnet 13 and the metal block.

Further, as shown in fig. 2, 3, 6 and 8, the mask body 5 is further provided with a hole 15 at opposite sides thereof, and an elastic band 14 with adjustable length passes through the hole 15. When the user wears the gauze mask, through adjusting the length of elastic webbing 14 makes the more inseparable laminating user face of gauze mask, reduces the possibility that poisonous and harmful substance gets into respiratory space through the gap of gauze mask body 5 with the facial laminating department of user, has also reduced the possibility that the user propagated bacterium and virus.

Further, can be equipped with the circular shrinkage pool of evenly arranging on gauze mask body 5, this circular shrinkage pool can improve the coefficient of friction on 5 surfaces of gauze mask body to play skid-proof effect when the user wears.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The mask is characterized by comprising a mask body and a filtering module arranged on the mask body;

2. The mask of claim 1 wherein said filter module further comprises a filter disposed at said air inlet.

3. The mask of claim 1 wherein said filter module further comprises a reflector positioned within said cavity, said reflector reflecting light emitted by said light generator.

4. The mask of claim 1 wherein said light generator is an ultraviolet light generator.

5. The mask of claim 2 further comprising a protective cover positioned outside said filter module and outside said filter.

6. The mask of claim 1 wherein said filter module further comprises a power source port disposed outside said filter module and a rechargeable battery disposed within said cavity, said rechargeable battery being electrically connected to said power source port and said light generator, respectively.

7. The mask of claim 1 wherein the filter module further comprises a controller and an indicator located in the cavity, the filter module is provided with an opening adapted to the indicator such that the indicator is exposed on the surface of the filter module, and the controller is electrically connected to the light generator.

8. The mask of claim 1 wherein said mask body is further provided with a gasket around said mask body, said gasket being connected to said mask body.

9. The mask of claim 1 wherein said mask body further comprises a first magnet, said filter module comprises a metal sheet, and said filter module is connected to said first magnet of said mask body by said metal sheet.

10. The mask of claim 5 wherein a second magnet is provided on a side of said filter module opposite said protective cover.