KR20210002793A - Air purification mask - Google Patents

Abstract

The present invention relates to an air purification mask. The air purification mask according to a first embodiment of the present invention includes: a cover worn on a wearer′s face and forming a purification space; a purification unit disposed on the cover, allowing outside air to flow in, removing a pollutant from the outside air after the inflow, and discharging the purified air to the purification space; and a spacer having a surface fixed to the inside of the cover with the other surface provided so as to be in close contact with a part of the face and maintaining a predetermined gap between the circumference of the cover and the wearer′s face. According to the present invention, the wearer can breathe comfortably even with the mask on. In addition, the mask cover is worn with a predetermined gap from the wearer′s face, and thus the wearer′s discomfort can be minimized.

Description

Air Purification Mask {AIR PURIFICATION MASK}

The present invention relates to an air purification mask, and more particularly, to provide purified air to the wearer by purifying external air, but maintaining a predetermined gap between the circumference of the cover disposed opposite the wearer's face and the wearer's face It relates to an air purification mask worn as possible.

Recently, in Korea, pollutants contained in the air such as yellow dust, fine dust, and ultrafine dust are increasing, and the need for an air purification mask to protect the respiratory tract or bronchi from pollutants contained in the air is expanding.

Conventional air purification masks include a fibrous mask that filters out contaminants using the density of the fibers forming the cover of the mask, and a separate purification means provided with a filter to seal some spaces including the nose and mouth from the outside. It can be classified as an airtight mask that purifies outside air through the air and then allows the purified air to flow into the enclosed space.

Conventional fibrous masks are difficult to breathe due to low air permeability due to the denseness of the fibers, and they cannot be reused because their performance is greatly degraded due to damage to the fibrous tissue during washing, and contaminants do not adhere to the face through the gaps. There is a disadvantage in that unfiltered air is introduced.

In addition, in the conventional sealed mask, it is difficult to breathe due to the formation of intake resistance due to the sealed space, and the circumference of the cover is worn in close contact with the wearer's face to form a sealed space, so that the wearer may feel cramped. May leave marks due to close contact of the cover.

In addition, since conventional fibrous masks and sealed masks have a large area in close contact with the wearer's face, when the wearer who wears makeup wears the conventional mask, the wearer who wears makeup due to the problem of removing or bleeding makeup in a large area There arises a problem that it is not suitable for wearing.

Korean Patent Registration No. 10-1881034 (2018.07.17)

The present invention is to solve the problems of the prior art mentioned above, and an object of the present invention is to provide an air purification mask through which a wearer can breathe comfortably.

Another object of the present invention is to minimize discomfort or cramping that the wearer feels when wearing it, and even when wearing it with makeup, it is possible to minimize the erasure or spread of makeup, and the formation of marks by the mask after wearing. It is to provide an air purifying mask.

Another object of the present invention is to provide an air purification mask capable of minimizing the introduction of contaminated air, even if a closed space by the mask is not formed.

The air purification mask according to the first embodiment of the present invention is worn to cover the face of the wearer and disposed on a cover and a cover to form a purification space to allow external air to flow in and to remove contaminants contained in the introduced external air. A purification unit that purifies and discharges the purified air into the purification space, and a gap maintaining unit that has one side fixed to the inside of the cover, and the other side is provided in close contact with a partial area of the face to maintain a predetermined gap between the circumference of the cover and the face of the wearer. Include

In this case, the air purification mask may discharge the purified air into the purification space to create a positive pressure in the purification space.

In addition, the purification unit purifies the intake hole through which external air is introduced and the intake fan that sucks external air through the intake hole, at least one filter that filters contaminants from the external air sucked through the intake fan, and the purified air purified by the filter. It includes a discharge hole for discharging to the space, and the intake fan can inhale a larger amount of external air than a wearer's inhalation amount so that positive pressure is formed in the purification space.

In addition, the air purification mask further includes a transfer unit connected to the discharge hole and having a transfer pipe for transferring the purified air discharged through the discharge hole, and a transfer unit having a jet hole for spraying the purified air that is punched through the transfer pipe. May include a first injection port through which the purified air transferred from the transfer pipe is injected into the purification space.

In addition, the transfer pipe includes a first transfer pipe connected to the discharge hole, and a second transfer pipe connected to the first transfer pipe and disposed along the circumference of the cover, and the injection port is a gap between the circumference of the cover and the face of the wearer. It may further include at least one second injection port disposed along the second transfer pipe so that the air curtain is formed and the injection angle faces the wearer's face.

In addition, the first injection port is disposed in the upper section of the second transfer pipe, and the injection angle may be lowered.

In addition, the space maintaining part has a predetermined length, one side is fixed to the inside of the cover, and a first length adjustment member having two or more grooves arranged in the longitudinal direction on both sides, and an inner space is formed with a predetermined length, and one side is open. The first length adjustment member is accommodated, and includes a second length adjustment member provided with projections inserted into the grooves on both inner sides, and the second length adjustment member slides and selects a groove into which the projection is inserted, so that the length of the gap maintaining portion Can be adjusted.

In addition, the cover may further include a top cover covering a gap close to the wearer's eye at the top of the gap between the circumference of the cover and the wearer's face so that air discharged from the purification space toward the wearer's eyes is blocked.

According to the present invention, comfortable breathing is possible even when the wearer is wearing a mask, and since the cover of the mask is worn at a predetermined interval from the face of the wearer, it is possible to minimize discomfort or cramping that the wearer feels. have.

In addition, when the mask is worn, the area in contact with the face is minimized, so that even if the makeup is worn with the makeup on, erasing or smearing of the makeup can be minimized, and the formation of marks by the mask after wearing can be minimized.

In addition, while the mask cover is spaced apart from the face at predetermined intervals, positive pressure is formed inside the mask by spraying purified air into the purification space, and an air curtain is formed along the spaced space between the mask cover and the face. It is possible to minimize the introduction of contaminated air from the outside into the purification space even in a state separated from the air.

1 is a view showing a front view of wearing an air purification mask according to a first embodiment of the present invention.
2 is a view showing a side view of wearing the air purification mask according to the first embodiment of the present invention.
3 is a diagram illustrating in more detail a purification unit according to a first embodiment of the present invention.
4 is a diagram illustrating that positive pressure is formed in a purification space of an air purification mask according to a first embodiment of the present invention.
5 is a diagram showing a movement path of purified air in an air purification mask according to a first embodiment of the present invention.
6 is a view showing that an air curtain is formed along a second transfer pipe according to the first embodiment of the present invention.
7 is a diagram illustrating in more detail the space maintaining unit according to the first embodiment of the present invention.
8 is a view showing a state in which the length of the gap maintaining unit according to the first embodiment of the present invention is adjusted.
9 is a diagram illustrating an upper cover according to a first embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to elements of each drawing, it should be noted that the same elements have the same numerals as possible even if they are indicated on different drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

1 and 2 are views showing front and side views of an air purification mask according to a first embodiment of the present invention, and FIG. 3 is a detailed description of a purification unit according to a first embodiment of the present invention. 4 is a diagram illustrating a principle of forming a positive pressure in a purification space of an air purification mask according to a first embodiment of the present invention, and FIG. 5 is a diagram illustrating a first embodiment of the present invention. It is a view showing the movement path of the purified air of the air purification mask according to the. And Figure 6 is a view showing that the air curtain is formed along the second transfer pipe according to the first embodiment of the present invention.

1 to 6, the air purification mask according to the first embodiment of the present invention includes a cover 100, a purification unit 200, a transfer unit 300, a gap maintaining unit 400, and a support unit 500. do.

The cover 100 is worn to cover a part of the face including at least one respiratory system such as the wearer's mouth and nostrils, and purified air purified by the purification unit 200 in the space between the cover 100 and the face. The purification space (S1) in which can be accommodated is formed.

In this case, the cover 100 may be formed to be bent in the outer direction of the wearer so that the purification space S1 is sufficiently formed.

The purification unit 200 allows external air to be introduced, filters pollutants contained in the introduced external air, and allows the purified air from which the pollutants have been filtered to be discharged into the purification space.

To this end, as shown in FIG. 3, the purification unit 200 may include a housing 210, an intake hole 220, an intake fan 230, a filter 240, and an exhaust hole 250.

The housing 210 may be disposed on the cover 100 so that at least one surface is exposed to the outside, and an internal space in which the intake fan 230 and the filter 240 may be accommodated may be formed.

The intake hole 220 may be disposed on a surface exposed to the outside of the housing 210, and may be provided to open the exposed surface of the housing 210 so that external air can be introduced into the inner space of the housing 210. .

The intake fan 230 may be disposed in the inner space of the housing 210, but disposed adjacent to the intake hole 220 and driven to increase the amount of external air introduced through the intake hole 220.

In this case, although omitted in the drawings, the intake fan 230 may provide a driving force to the intake fan 230 by connecting a driving means provided with a motor, a battery, etc. that enables the intake fan 230 to be driven.

The filter 240 is disposed in the inner space of the housing 210 and disposed at the rear end of the intake fan 230 to purify contaminants of the introduced external air.

Here, the filter 240 is a composite filter formed by stacking at least one of filters such as a HEPA filter, a pre-filter, a deodorizing filter, an antibacterial filter, and a carbon filter.

Incidentally, the housing 210 may be provided to be openable and closed so that the filter 240 can be replaced.

The discharge hole 250 may be disposed at the rear end of the filter 240 so that the purified air is discharged into the purification space S1.

At this time, the discharge hole 25 may be provided to be connected to the purification space (S1) and provided to directly discharge the purified air into the purification space (S1), but it is connected to the transfer unit 300 to allow the purified air to flow through the transfer unit (300). It can be discharged to the purification space (S1).

The transfer unit 300 may include a transfer pipe 310 and an injection port 320 connected to the discharge hole 250 to transfer the purified air discharged through the discharge hole and spray the transferred purified air. A more detailed description of 300) will be described after a rough description of the space maintaining unit 400.

The gap maintaining part 400 is formed to have a predetermined length, and one side is fixed to the inside of the cover 100, and the other side is provided so as to be in close contact with a partial area of the face, so that the circumference of the cover 100 is at a predetermined distance from the face of the wearer ( L) can be worn while maintaining.

Here, it has been described that the circumference of the cover 100 is spaced apart by a predetermined distance (L) from the face of the wearer, but if the transfer unit 400 is disposed closer to the face of the wearer around the cover 100, the transfer unit 400 is also It may be arranged to be spaced apart from the wearer's face by a predetermined distance (L).

The purifying mask in this embodiment by the space maintaining part 400 is arranged so that the circumference of the cover 100 is spaced apart from the face by a predetermined distance (L), and the purification space S1 formed by the cover 100 is a cover It becomes a space opened by the gap (L) between the circumference of (100) and the face.

That is, the cover 100 is worn in a state in which all portions including the circumference are not in contact with the face and are spaced apart by the gap maintaining unit 400.

Here, the intake fan 230 is provided to rotate at a speed sufficient to allow a large amount of external air to flow into the purification space S1 than the inhalation amount of the wearer, so that a positive pressure that is higher than atmospheric pressure is formed in the purification space S1. I can.

And the air contained in the purification space (S1) is discharged to the outside through the gap (L) between the circumference of the cover and the face, but external air is caused by the positive pressure formed in the purification space (S1). Inflow into the purification space S1 through) may be reduced or prevented.

In addition, the gap maintaining unit 400 may be provided so that the other surface is in close contact with at least one of the wearer's chin and nose, and in FIG. 4, the gap maintaining unit 400-1 in close contact with the wearer’s nose and the wearer’s chin It is shown as an example that all of the space maintaining parts 400-2 are provided.

On the other hand, as described above, the transfer unit 300 is connected to the discharge hole 250 to transfer the purified air discharged through the discharge hole, and includes a transfer pipe 310 and a spray hole 320 to inject the transferred purified air. can do.

The transfer pipe 310 may include a first transfer pipe 311 and a second transfer pipe 312 connected to the discharge hole 250 to transfer the purified air discharged through the discharge hole 250.

The first transfer pipe 311 has one end connected to the discharge hole 250 and the other end connected to the second transfer pipe 312 to remove the purified air discharged when the purified air purified by the purification unit 200 is discharged. 2 It can be transferred to the transfer pipe 312.

Here, depending on the position of the purification unit 200, the first transfer pipe 311 may be omitted and the second transfer pipe 312 may be directly connected to the discharge hole 250 of the purification unit.

The second transfer pipe 312 is connected to the first transfer pipe 311 and is disposed along the circumference of the cover 100 to allow the purified air to be transferred along the circumference of the cover 100.

The injection hole 320 may be formed by perforating the outer circumferential surfaces of the first and second transfer pipes 311 and 312 so that the purified air is injected.

The injection port 320 may include a first injection port 321 for directing the injected purified air to the purification space S1 and a second injection port 322 for directing the injected purified air to the face f. have.

The first injection port 321 is formed by perforating at an angle from the outer peripheries of the first and second transfer pipes 311 and 312 toward the purification space S1 so that the injected purified air directly faces the purification space S1. I can.

Specifically, the first injection port 321 may be disposed so that the injected purified air faces the nostril or the mouth, and is disposed downward from the uppermost end of the second transfer pipe 312 to prevent the air in the purification space S1. Flow can be directed downwards.

This is to prevent the wearer's eyes from drying out by allowing the air discharged through the gap L between the circumference of the cover and the face to be concentrated to the lower end, thereby minimizing the air discharged toward the wearer's eyes.

The second injection port 322 allows the purged air transferred from the second transfer pipe 312 to be formed in the gap L between the circumference of the cover and the face of the wearer. It can be sprayed at an angle toward the face (f) of.

Specifically, the second injection port 322 is formed by being perforated along a point where the distance to the user's face (f) is closest among the outer circumferential surfaces of the second transfer pipe 312, and is injected through the second injection port 322 The purified air may form an air curtain between the circumference of the cover and the face to block external air from flowing into the purification space S1.

In this case, the second injection hole 322 may be formed densely so that the air curtain can be continuously formed along the circumference of the cover 100.

And the first injection port 321 is formed with a sufficiently large diameter so that a sufficient amount of purified air is injected into the purification space S1 to form a sufficient positive pressure in the purification space S1, and is injected through the second injection hole. In order to increase the injection pressure of the purified air, the diameter of the second injection hole 322 may be formed significantly smaller than the diameter of the first injection hole 321.

In addition, when the purified air of relatively high pressure is injected from the second injection port 322, there is an effect of reducing the contact of the circumference of the cover with the face f of the wearer by the injected purified air.

Meanwhile, the support part 500 may support the cover 100 by being connected to both sides of the cover 100 and connected to a part of the user's body.

The support part 500 is provided in a pair, and both ends of each are connected to both sides of the cover 100 and are provided to be hung on the wearer's ears to support the cover 100 to be worn.

In addition, in order to prevent the gap between the circumference of the cover 100 and the face from being narrowed or the circumference of the cover 100 from coming into contact with the face by pulling the cover 100, the support part 500 may be provided in a different shape. I can.

For example, the support part 500 is provided in a pair, each end is connected to both sides of the cover 100 and the other end is provided to be worn over the top of the wearer's ear, and prepared of a material capable of maintaining a certain shape Can be.

7 is a diagram illustrating in more detail the space maintaining unit according to the first embodiment of the present invention. And Figure 8 is a view showing a state in which the length of the gap maintaining unit according to the first embodiment of the present invention is adjusted.

7 to 8, the distance maintaining unit 400 in the present embodiment may be provided to be adjustable in length so that the distance L between the circumference of the cover and the face of the wearer is adjusted.

To this end, the distance maintaining unit 400 may include a first length adjustment member 410, a second length adjustment member 420, and a cushion member 430.

The first length adjustment member 410 is formed to have a predetermined length, one side is fixed to the inside of the cover 100, and a plurality of grooves 411 are provided on both sides of the first length adjustment member to be arranged in the length direction of the first length adjustment member. have.

The second length adjustment member 420 is formed to have a predetermined length, the inner space is formed, and one surface is opened to accommodate the first length adjustment member 410 through the open surface, and a protrusion inserted into the groove 411 421 can be arranged along both sides.

In addition, the second length adjustment member 420 may be slid to select a groove into which the protrusion 421 is inserted, as shown in a and b of FIG. 8, so that the length of the gap maintaining part 400 can be adjusted. .

The cushion member 430 may be disposed on the other side of the open surface of the second length adjustment member to be in close contact with the wearer's face.

In this case, the cushion member 430 is formed of an elastic material so that the shape of the cushion member 430 is deformed according to the bend of the face portion to be adhered to, thereby improving the fit of the air cleaning mask.

9 is a diagram illustrating the top cover 120 according to the first embodiment of the present invention.

Referring to FIG. 9, the cover 100 according to this embodiment may include a front cover 110 and an upper cover 120.

The front cover 110 may be disposed in front of the wearer's face to cover a part of the face including the wearer's respiratory system so that a purification space S1 in which purified air can be accommodated is formed in a space between the face and the face. .

As shown in FIG. 9, the upper cover 120 is a space formed by the gap between the circumference of the face cover and the face of the wearer to prevent the air contained in the purification space S1 from being discharged toward the wearer's eyes. , It may be provided to cover the upper space close to the wearer's eyes.

Accordingly, the air purification mask can prevent the air discharged from the purification space S1 from drying the wearer's eyes.

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the art to which the present invention pertains will be able to make various modifications and variations without departing from the essential characteristics of the present invention. Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain the technical idea, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be interpreted as being included in the scope of the present invention.

100: cover
110: front cover
120: top cover
200: purification unit
210: housing
220: intake hole
230: intake fan
240: filter
250: discharge hole
300: transfer unit
310: transfer pipe
311: first transfer pipe
312: second transfer pipe
320: nozzle
321: first nozzle
322: second nozzle
400: gap maintaining unit
410: first length adjustment member
411: home
420: second length adjustment member
421: protrusion
430: cushion member
500: support

Claims (8)

A cover worn to cover the wearer's face and forming a purification space;
A purification unit disposed on the cover to allow external air to flow in, purify pollutants contained in the introduced external air, and discharge purified air to the purification space; And
And a spacing part maintaining a predetermined distance between the circumference of the cover and the wearer's face, provided that one side is fixed to the inside of the cover and the other side is in close contact with a partial area of the face.
The method of claim 1, wherein the air purification mask
And generating a positive pressure in the purification space by discharging the purified air to the purification space.
The method of claim 2, wherein the purification unit
An intake hole through which external air is introduced;
An intake fan for inhaling external air through the intake hole;
At least one filter for filtering contaminants of external air sucked through the intake fan; And
And a discharge hole for discharging the purified air purified by the filter to the purification space,
The intake fan
An air purification mask, characterized in that inhaling a larger amount of external air than a wearer's inhalation amount so that positive pressure is formed in the purification space.
The method of claim 3, wherein the air purification mask
Further comprising a transfer unit connected to the discharge hole and having a transfer pipe for transferring the purified air discharged through the discharge hole, and a jet hole pierced through the transfer pipe to allow the transferred purified air to be injected,
And the injection port includes a first injection port through which the purified air transferred from the transfer pipe is injected into the purification space.
The method of claim 4, wherein the transfer pipe
A first transfer pipe connected to the discharge hole; And
And a second transfer pipe connected to the first transfer pipe and disposed along the circumference of the cover,
The nozzle is
Air purification, characterized in that it further comprises at least one second injection port disposed along the second conveying pipe so that an air curtain is formed in the gap between the circumference of the cover and the face of the wearer and having an injection angle toward the face of the wearer. Mask.
The method of claim 5,
The first injection port is disposed in an upper section of the second transfer pipe and the injection angle is lowered.
The method of claim 1, wherein the gap maintaining unit
A first length adjustment member having a predetermined length, one side of which is fixed to the inside of the cover, and two or more grooves respectively arranged in the length direction on both side surfaces; And
And a second length adjusting member having a predetermined length and having an inner space formed and one surface open to accommodate the first length adjusting member, and provided with protrusions inserted into the grooves on both inner sides,
The second length adjustment member
The air purification mask, characterized in that the length of the gap maintaining portion is adjusted by selecting a groove into which the protrusion is inserted by sliding.
The method of claim 2, wherein the cover
Air purification, characterized in that it further comprises a top cover covering a gap close to the wearer's eye at the top of the gap between the circumference of the cover and the wearer's face so that air discharged from the purification space toward the wearer's eyes is blocked. Mask.

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