WO2023224263A1

WO2023224263A1 - Mask device

Info

Publication number: WO2023224263A1
Application number: PCT/KR2023/004715
Authority: WO
Inventors: 이승엽; 황보등
Original assignee: 엘지전자 주식회사
Priority date: 2022-05-19
Filing date: 2023-04-07
Publication date: 2023-11-23
Also published as: KR20230161761A

Abstract

A mask device according to an embodiment of the present invention is characterized by comprising: a mask body, a portion of the front surface of which protrudes forward to form a breathing space therein; goggles detachably coupled to the upper end of the mask body; an inner cover that is coupled to the front surface of the mask body and divides the inner space into an intake passage and a discharge passage; and an outer cover coupled to the front surface of the inner cover. Outside air flows into a lower portion of the mask body and is then moved to the breathing space via the intake passage, and air discharged from the breathing space flows through the discharge passage and is then ejected rearward from the mask body.

Description

mask device

The present invention relates to a mask device.

The mask covers the user's nose and mouth to filter out harmful substances, including germs and dust, contained in the air when the user breathes in, and prevents viruses or bad breath released when the user exhales from spreading to people around them. It can be defined as hygiene products that can be minimized.

Recently, as highly spreadable and contagious viruses are rampant, individuals are being recommended to wear masks when going out for safety reasons in order to minimize contagion.

Currently, various types and types of masks are being released on the market, and in particular, masks equipped with a filter module are being sold to minimize the direct inflow of harmful substances contained in the air into the respiratory tract of the mask wearer.

Additionally, masks equipped with fans are also being sold to facilitate the flow of air passing through the mask when the user inhales or exhales.

Prior document: Republic of Korea Patent No. 10-2331688 (registration date: November 23, 2021) discloses a mask that includes air purification, sterilization, and body temperature tracking management functions.

The mask disclosed in the prior literature includes a mask body with an air inlet, a filter and a fan installed on the mask body, so that harmful substances contained in the outside air can be filtered and then introduced into the user's respiratory tract.

However, the mask disclosed in the prior literature has the following problems.

First, since the conventional mask has components including filters and fans densely arranged on the front left side of the mask body, there is a problem that the center of gravity of the mask is eccentric to one side.

In this case, there is a problem that when a mask is worn for a long time, significant pressure corresponding to the load of the mask is applied to the mask wearer's ears or face.

Second, since conventional masks have an air inlet through which air flows in on the front of the mask body, the appearance of the mask may give a bad impression when worn.

In addition, since the air inlet is exposed to the outside of the front of the mask, droplets can penetrate into the inside of the mask when talking to the other person, and there is a problem of rainwater penetrating into the inside of the mask when it rains.

Third, the air exhaled through the respirator while wearing a mask is discharged to the outside through the air inlet rather than through a separate air outlet, so air flow resistance increases, making breathing uncomfortable.

Fourth, conventional masks are only sized to cover the user's nose and mouth, but cannot cover the eyes, so there is a problem that moisture or dust easily penetrates into the eyes.

In particular, outdoor workers working in strong windy or bad weather environments need masks that protect not only their respiratory system but also their entire face.

The present invention was proposed to improve the above problems, and the purpose of the present invention is to provide a mask device that separates the air intake passage and the air discharge passage, thereby minimizing air flow resistance due to breathing and making breathing easier. there is.

Another object of the present invention is to provide a mask device that improves the appearance of the mask when worn and minimizes the infiltration of droplets or moisture through the air inlet.

Another object of the present invention is to provide a mask device that can minimize the impact applied to the user's face when wearing the mask for a long time.

Another object of the present invention is to provide a mask device that can protect not only the respiratory tract but also the entire face.

A mask device according to an embodiment of the present invention for achieving the above object includes: a mask body with a portion of the front protruding forward to form a breathing space therein; Goggles detachably coupled to the top of the mask body; an inner cover coupled to the front of the mask body and dividing the inner space into an intake passage and an exhaust passage; and an outer cover coupled to the front of the inner cover.

At this time, the outside air flows into the lower part of the mask body and then moves to the breathing space through the intake passage, and the air discharged from the breathing space flows through the exhaust passage and is then discharged to the rear of the mask body. You can.

According to this configuration of the present invention, the air intake passage through which the air flows into the inside of the mask device and the air discharge passage through which the air inside the mask device flows out are independently configured, so the air flow resistance due to breathing is minimized, making breathing comfortable. has advantages. In addition, by allowing the user to directly choose whether to wear goggles, the entire face can be protected and convenience can be improved.

The mask device includes a fan module installed on the front of the mask body; an intake port formed on the bottom of the mask body; And it may further include an exhaust port formed on the upper rear surface of the mask body.

Therefore, since the air intake port for sucking in air and the air discharge port for discharging air are not exposed on the front of the mask, the appearance of the mask becomes neat when worn and the infiltration of droplets or moisture through the air inlet can be minimized.

The exhaust port includes: a first exhaust port through which air discharged from the breathing space is directed to the exhaust passage; and a second exhaust port through which air passing through the exhaust passage is discharged to the rear of the mask body. The second exhaust ports may be formed on both sides of the upper part of the mask body, and the first exhaust ports may be formed at a point between the second exhaust ports.

The mask device further includes a protrusion with the front center of the mask body protruding forward, the fan module is installed on the front of the protrusion, and the first exhaust port is located above the fan module. It may be formed on the side of the protrusion.

In front of the fan module, an intake filter is disposed to purify foreign substances in the air flowing into the intake port. The intake filter may be placed in front of the fan module while mounted on the inner cover.

An air duct is formed on the front surface of the protrusion to provide air discharged from the fan module to the breathing space. The lower surface of the air duct is connected to the air outlet of the fan module, and the rear surface of the air duct is connected to the breathing space.

The inner cover may include a partition rib whose rear portion extends rearward and contacts the front of the mask body. The compartment rib includes a first compartment rib extending from the center of the back of the inner cover to both sides, the exhaust passage is located on the upper side of the first compartment rib, and the intake passage is located on the lower side of the first compartment rib. can be located.

In addition, the partition rib includes a second partition rib extending on both sides from a point spaced apart from the upper side of the first partition rib; And it may further include a pair of third compartment ribs extending downward from any two points of the first compartment rib.

The exhaust passage is defined by the first compartment rib, the second compartment rib, and an edge portion of the inner cover, and is defined by the first compartment rib, the pair of third compartment ribs, and an edge portion of the inner cover. The intake flow path may be defined. An electric field area where a battery or a board is installed may be formed on both sides of the intake passage.

The mask device includes an air grill coupled to the intake port; And it may further include an air cover inserted inside the air grill to cover the intake port.

The mask device may further include a mask sealer coupled to the back of the mask body and in close contact with the user's face.

A plurality of magnet coupling parts may be provided at an edge of the mask body, and a plurality of magnets coupled to the plurality of magnet coupling parts may be provided at an edge of the mask sealer.

The mask device further includes a body bracket coupled to surround an edge of the mask body, and the goggles may be detachably coupled to an upper end of the body bracket.

The goggles include a goggle bracket mounted on an upper part of the body bracket; A lens coupled to the inside of the goggle bracket; and a goggle sealer coupled to the rear edge of the goggle bracket.

The mask device may further include a strap detachably coupled to an edge of the body bracket.

The mask device according to an embodiment of the present invention configured as described above has the following effects.

First, since the air intake passage through which the air flows into the inside of the mask device and the air discharge passage through which the air inside the mask device flows out are formed independently, the air flow resistance due to breathing is minimized, which has the advantage of making breathing easier.

Second, since the air inlet and air outlet are not exposed to the front of the mask, the appearance of the mask improves when worn and the infiltration of droplets or moisture through the air inlet can be minimized.

Third, since the fan module is placed at the center of the mask device and the battery and board are distributed on both sides of the fan module, the impact on the user's face when wearing the mask for a long time can be minimized.

Fourth, since goggles are provided that are detachably attached to the top of the mask body, there is an advantage in protecting not only the respiratory system but also the entire face.

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

Figure 2 is a rear view of a mask device according to an embodiment of the present invention.

Figure 3 is a bottom view of a mask device according to an embodiment of the present invention.

Figure 4 is an exploded perspective view of a mask device according to an embodiment of the present invention.

Figure 5 is an exploded perspective view of a mask device viewed from another angle according to an embodiment of the present invention.

Figure 6 is a front perspective view of the mask device with the outer cover removed according to an embodiment of the present invention.

FIG. 7 is a view showing the mask device in FIG. 6 with the front of the inner cover removed.

Figure 8 is a front perspective view of the mask device with the outer and inner covers removed according to an embodiment of the present invention.

Figure 9 is a rear view of a mask device with the mask sealer removed according to an embodiment of the present invention.

Figure 10 is a longitudinal cross-sectional view of a mask device according to an embodiment of the present invention.

FIG. 1 is a front view of a mask device according to an embodiment of the present invention, FIG. 2 is a rear view of a mask device according to an embodiment of the present invention, and FIG. 3 is a bottom view of a mask device according to an embodiment of the present invention. Figure 4 is an exploded perspective view of a mask device according to an embodiment of the present invention, and Figure 5 is an exploded perspective view of a mask device viewed from another angle according to an embodiment of the present invention.

1 to 5, the mask device 1 according to an embodiment of the present invention includes a mask body 10 and mask covers 30 and 40 detachably coupled to the front of the mask body 10. ) includes.

The mask body 10 may be formed in the shape of a mask to cover the nose and mouth of the user (or wearer). The front of the mask body 10 is used as a space where a number of electronic components are installed, and the back of the mask body 10 can be in close contact with the user's face. When the mask body 10 is in close contact with the user's face, the user's mouth and nose can be covered by the mask body 10.

The mask body 10 may have a portion of the front surface protruding forward to form a breathing space (see 109 in FIG. 10 ) inside the mask body 10 . The breathing space 109 refers to a space defined by the back of the mask body 10 and the user's face. The breathing space 109 allows purified external air to flow in and air discharged from the user's respiratory system to flow. When a user wears the mask device 1, the user's nose and mouth can be accommodated in the breathing space 109.

An intake filter 13 and a fan module 14 may be installed on the front of the mask body 10. The suction filter 13 functions to filter foreign substances in the air sucked in from the outside, and the fan module 14 functions to suck air in the axial direction and discharge air in the radial direction. The suction filter 13 may include a HEPA filter, and the fan module 14 may include a centrifugal fan.

The intake filter 13 may be placed in front of the fan module 14. That is, the intake filter 13 may be placed at the air inlet formed on the front of the fan module 14.

At this time, the intake filter 13 may be arranged to be aligned with the center of the rotation axis of the fan module 14. Accordingly, air sucked in from the outside can quickly pass through the intake filter 13 and the fan module 14 in a straight line.

A battery that provides power to operate the fan module 14 and a board that controls the operation of the fan module 14 may be installed on the front of the mask body 10. The battery and the substrate may be installed on at least one of the front left and right sides of the mask body 10.

For example, the battery may be installed in the front left area of the mask body 10, and the substrate may be installed in the front right area of the mask body 10. Alternatively, the battery may be installed in the front right area of the mask body 10, and the substrate may be installed in the front left area of the mask body 10.

Differently, the battery may be installed in the front center area of the mask body 10, and the substrate may be installed in at least one of the front left and right areas of the mask body 10. However, considering the center of gravity of the mask device 1, the battery and the substrate may be distributedly disposed on the front of the mask device 1.

The mask body 10 has an intake port 101 through which external air flows into the inside of the mask body 10, and an air duct that guides the air purified through the intake filter 13 to the breathing space 109. It may include (103).

The intake port 101 may be formed in the lower part of the mask body 10. Specifically, the intake port 101 may be formed by penetrating a portion of the bottom of the mask body 10. Air sucked through the intake port 101 may flow into the intake filter 13 by driving the fan module 14.

An air grill 11 and an air cover 12 may be detachably coupled to the intake port 101. The air grill 11 may be coupled to the inside of the intake port 101, and the air cover 12 may be coupled to the inside of the air grill 11.

For example, the center of the air grill 11 is open, and the air cover 12 may be coupled to the open center of the air grill 11. When the air cover 12 is coupled to the air grill 11, external air may flow in through the empty space between the air cover 12 and the air grill 11.

That is, the intake port 101 is formed in the lower part (bottom surface) of the mask device 1 and can be covered by the air cover 12, so the appearance of the mask device 1 is neat and dust or moisture is prevented. Penetration into the interior of the mask device 1 can be minimized.

The air duct 103 may be formed on the front surface of the mask body 10. Specifically, the air duct 103 may form an air passage (see 103a in FIG. 10) inside the air duct 103 while a portion of the front of the mask body 10 protrudes. The inlet of the air duct 103 may be connected to the outlet of the fan module 14, and the outlet of the air duct 103 may be connected to the breathing space 109.

The air duct 103 may be placed on top of the fan module 14. And the air passing through the fan module 14 may move upward and then be provided to the breathing space 109 through the air passage 103a of the air duct 103.

The mask body 10 may include

exhaust ports

104 and 105 through which air discharged from the breathing space 109 is discharged to the outside. The

exhaust ports

104 and 105 include a first exhaust port 104 through which air discharged from the breathing space 109 primarily passes, and a second exhaust port 105 through which air passing through the first exhaust port 104 passes secondarily. may include.

The first exhaust port 104 may be formed on the upper part of the mask body 10. The first exhaust port 104 may be formed to penetrate the mask body 10 from the front to the back. The first exhaust port 104 may be formed to be spaced apart from each other on both sides of the air duct 103.

The second exhaust port 105 may be formed on the upper part of the mask body 10. The second exhaust port 105 may be formed to penetrate the mask body 10 from the front to the back. The second exhaust port 105 may be formed to be spaced apart from each other on both sides of the first exhaust port 104. The second exhaust port 105 may be disposed on both upper edges of the mask body 10. The first exhaust port 104 and the second exhaust port 105 may form a straight line in a direction parallel to the ground.

The discharge filter 15 may be detachably coupled to the second exhaust port 105. The discharge filter 15 may be formed of a relatively thin non-woven fabric. Accordingly, the discharged air that has passed through the first exhaust port 104 can be purified by passing through the discharge filter 15 of the second exhaust port 105 and then discharged to the outside of the mask body 10. At this time, the air that has passed through the second exhaust port 105 may be discharged to the outside toward the rear of the mask device 1.

That is, in the present invention, the air intake passage through which the air flows into the inside of the mask device 1 and the air discharge passage through which the air inside the mask device 1 flows out are independently configured, so the air flow resistance due to breathing is reduced. It has the advantage of being minimized and making breathing easier. In addition, since the air intake port for sucking in air and the air discharge port for discharging air are not exposed to the front of the mask, it has the advantage of improving the appearance and improving product stability.

The mask body 10 may include a breathing sensor 106 for detecting the internal pressure of the mask device 1.

Specifically, the breathing sensor 106 is installed on the back of the mask body 10 and can detect the internal pressure of the breathing space 109. The respiration sensor 106 may include an air pressure sensor or a differential pressure sensor. The respiration sensor 106 may be placed adjacent to the user's nose for accurate pressure sensing. For example, the respiration sensor 106 may be placed on the upper side of the air duct 103 or at a point between the pair of first exhaust ports 104.

The mask covers 30 and 40 include an inner cover 30 detachably coupled to the front of the mask body 10, and an outer cover 40 detachably coupled to the front of the inner cover 30. Includes.

Here, the inner cover 30 may be called a “first cover” and the outer cover 40 may be called a “second cover.”

The inner cover 30 is coupled to the front of the mask body 10 and functions to shield components (eg, fan module, battery, board) installed on the front of the mask body 10. The inner cover 30 may have a shape corresponding to the front shape of the mask body 10. The inner cover 30 may cover the entire front surface of the mask body 10.

In addition, the inner cover 30 can be coupled to the front of the mask body 10 to form an exhaust passage (see 302 in FIG. 7) between the mask body 10 and the inner cover 30. there is. The inlet of the exhaust passage 302 is connected to the first exhaust port 104, and the outlet of the exhaust passage 302 is connected to the second exhaust port 105. Accordingly, the air discharged from the breathing space 109 may flow into the exhaust passage 302 through the first exhaust port 104 and then be discharged to the outside through the second exhaust port 105.

The outer cover 40 is coupled to the front of the inner cover 30 to form the front exterior of the mask device 1. The outer cover 40 may have a shape corresponding to the front shape of the inner cover 30 so as to completely cover the front surface of the inner cover 30. The front of the outer cover 40 forms the front of the mask device 1, and the back of the inner cover 30 faces the user's face.

The mask device 1 may further include a body bracket 20 coupled to an outer edge of the mask body 10. The body bracket 20 may be formed to surround the outer edge of the mask body 10. The body bracket 20 functions to reinforce the strength of the outer edge of the mask body 10 and at the same time ensures that the goggles 70 and strap 60, which will be described later, are stably coupled to the mask body 10. .

Specifically, the body bracket 20 may be formed as a closed curve connected along the outer edge of the mask body 10. Strap mounting grooves 21 for mounting the strap 60 may be formed on both sides of the body bracket 20. Additionally, a goggle mounting groove 22 for mounting the goggles 70 may be formed on the upper surface of the body bracket 20.

The mask device 1 may further include a strap 60 connected to the mask body 10. The straps 60 may be coupled to both sides of the mask body 10 and caught on the user's ears or the back of the head. The strap 60 can be understood as an auxiliary component for attaching the mask device 1 to the user's face.

The strap 60 may include a pair of ear hooks 61 each coupled to both sides of the mask body 10, and a neck band 62 connecting the pair of ear hooks 61. . The end of the ear hook 61 may be inserted into and fixed to the strap mounting groove 21 formed on the body bracket 20.

The mask device 1 may further include goggles 70 detachably coupled to the mask body 10. The goggles 70 are placed on top of the mask body 10 and can cover and protect the area around the user's eyes. The goggles 70 can be coupled to or separated from the mask body 10 through the body bracket 20.

Accordingly, the user can use the goggles 70 coupled to the mask body 10 or use the goggles 70 separated from the mask body 10 depending on the surrounding environment or convenience. By allowing the user to directly select whether to wear the goggles 70, the entire face can be protected and convenience can be improved.

Specifically, the goggles 70 include a goggle bracket 71 mounted on the upper part of the mask body 10, a lens 72 coupled to the inside of the goggle bracket 71, and the goggle bracket 71. It may include a goggle sealer (73) coupled to the rear edge of.

The goggle bracket 71 has a certain thickness and may be formed in a closed curve shape with an empty interior. For example, the goggle bracket 71 may have the shape of a glasses frame. The goggle bracket 71 may have a shape in which the lower center portion is depressed toward the top.

The recessed portion of the goggle bracket 71 may be inserted into and fixed to the mounting hook 107 protruding from the top of the mask body 10. At this time, a mounting rib 74 may be provided between the goggle bracket 71 and the mounting hook 107 of the mask body 10 for more secure fixation.

The mounting rib 74 may be formed of an elastic material. The upper surface of the mounting rib 74 is configured to be inserted into the lower part of the goggle bracket 71, and the lower surface of the mounting rib 74 is configured to be coupled to the mounting hook 107.

The lens 72 may be formed of transparent or translucent glass. The lens 72 has a certain thickness and is mounted inside the goggle bracket 71. The area around the user's eyes can be protected by the lens 72.

The goggle sealer 73 is coupled to the back of the goggle bracket 71 and comes in close contact with the user's face, and may be molded from an elastic silicone or rubber material. The goggle sealer 73 may be formed to surround the back edge of the goggle bracket 71.

The mask device 1 may further include a mask sealer 50 detachably coupled to the rear surface of the mask body 10 . The mask sealer 50 is coupled to the back of the mask body 10 and comes in close contact with the user's face, and may be molded from an elastic silicone or rubber material. The mask sealer 50 may be formed to surround the rear edge of the mask body 10 .

The mask sealer 50 may include a magnet 51 to be fixed to the back of the mask body 10. A plurality of magnets 51 may be spaced apart from each other and placed on the front edge of the mask sealer 50 .

The plurality of magnets 51 may be coupled to the magnet mounting portion 108 provided on the mask body 10. A magnet that exerts an attractive force on the magnet 51 is mounted on the magnet mounting portion 108. As a result, the mask sealer 50 is detachably mounted on the back of the mask body 10 by the magnetic force of the magnet. A plurality of magnet mounting units 108 may be spaced apart from the front edge of the mask body 10 .

In the present invention, it is explained that there are three magnets 51 and three magnet mounting units 108 each, but it is not limited thereto. For example, it is obvious that the magnets 51 and the magnet mounting portion 108 may be composed of two magnets each or four or more magnets.

Hereinafter, the components constituting the mask device will be described in more detail with reference to the drawings.

FIG. 6 is a front perspective view of the mask device with the outer cover removed according to an embodiment of the present invention, and FIG. 7 is a view showing the mask device in FIG. 6 with the front inner cover removed.

6 and 7, the outer cover 40 is detachably coupled to the front of the inner cover 30, and the inner cover 30 is detachably attached to the front of the mask body 10. are combined.

When the outer cover 40 is separated from the front of the inner cover 30, the front of the inner cover 30 is exposed to the outside and the suction filter 13 can be replaced. In addition, when the inner cover 30 is separated from the front of the mask body 10, the fan module 14, air duct 103, battery, and substrate provided on the front of the mask body 10 are exposed to the outside. exposed.

Specifically, the inner cover 30 includes a recessed portion 31 whose front surface is recessed toward the rear. The recessed portion 31 creates a space where the suction filter 13 is mounted by recessing a portion of the front surface of the inner cover 30.

The inner cover 30 includes a filter frame 311 on which the suction filter 13 is detachably mounted. The filter frame 311 may protrude forward from the inner surface of the recessed portion 31. The filter frame 311 may be formed in a square frame shape at the inner center portion of the depression 31. The filter frame 311 may be placed in a position corresponding to or facing the front of the fan module 14.

Accordingly, when the intake filter 13 is mounted on the filter frame 311, the fan module 14 can be placed immediately behind the intake filter 13.

The inner cover 30 may further include

air intake ports

312 and 313. The

air intake ports

312 and 313 serve to guide external air sucked through the intake port 101 toward the intake filter 13 and the fan module 14.

The

air intake ports

312 and 313 are formed by penetrating the inner surface of the depression 31. The

air intake ports

312 and 313 may be formed along the perimeter of the filter frame 311 on the inner surface of the recessed portion 31. That is, the

air intake ports

312 and 313 may be formed to surround the edge of the intake filter 13.

The

air intake ports

312 and 313 may include a first intake port 312 formed on the bottom of the depression 31 and a second intake port 313 formed on the front surface of the depression 31. . The first intake port 312 may be located at a portion of the lower center of the inner cover 30 that protrudes forward. The first intake port 312 may be located below the intake filter 13 and above the intake port 101. The second suction port 313 may be arranged to surround both edges of the suction filter 13.

The inner cover 30 is coupled to the front of the mask body 10, and the space between the front of the mask body 10 and the inner cover 30 can be divided into a plurality of spaces. To this end, the inner cover 30 may include a plurality of partition ribs extending rearward from the rear surface.

The plurality of partition ribs includes a first partition rib 32 extending long from the center of the back of the inner cover 30 to both sides, and a second partition rib extending from the upper side of the first partition rib 32 to both sides. (33) and a pair of third compartment ribs (34) extending downward from any two points of the first compartment rib (32).

The first compartment rib 32 can divide the inner space of the inner cover 30 into an intake passage 301 located at the bottom and an exhaust passage 302 located at the top. To this end, the first compartment rib 32 may extend from the center of the back of the inner cover 30 to both sides and be connected to the edge portion 35 of the inner cover 30.

The second compartment rib 33 may extend to both sides from a point spaced apart above the first compartment rib 32 to form the exhaust passage 302. That is, the exhaust passage 302 can be understood as being defined by the first compartment rib 32, the second compartment rib 33, and the edge portion 35. The exhaust passage 302 is connected to the first exhaust port 104 and the second exhaust port 105.

The pair of third compartment ribs 34 divide the inner space of the inner cover 30 into an intake passage 301 and a full-length area 303 located on both sides of the intake passage 301. You can. To this end, the pair of third compartment ribs 34 each extend downward at a predetermined distance on both sides from the center of the first compartment rib 32, and form the edge portion 35 of the inner cover 30. ) can be connected to.

The intake passage 301 may be located at the lower center of the inner cover 30. The intake passage 301 may be understood as being defined by the first compartment rib 32, the pair of third compartment ribs 34, and the lower end of the inner cover 30. The intake passage 301 is connected to the first intake port 312 and the second intake port 313.

The full-length area 303 may be located on both sides of the intake passage 301. The full-length area 303 may be understood as being defined by the first compartment rib 32, the pair of third compartment ribs 34, and the edge portion 35.

The battery and/or substrate may be installed in the electric field area 303. For example, the battery may be disposed in one electrical field area 303 and the substrate may be disposed in the remaining electrical field area 303. Alternatively, the battery may be disposed in the intake passage 301, and the substrate may be dispersedly disposed in the electric field area 303.

Figure 8 is a front perspective view of the mask device with the outer and inner covers removed according to an embodiment of the present invention, Figure 9 is a rear view of the mask device with the mask sealer removed according to an embodiment of the present invention, and Figure 10 is a This is a longitudinal cross-sectional view of a mask device according to an embodiment of the present invention.

Referring to Figures 8 to 10, as described above, the mask body 10 is formed in the shape of a mask to cover the user's nose and mouth. The mask body 10 may include a protrusion 102 whose front portion protrudes forward.

The protrusion 102 protrudes forward from the front center of the mask body 10 and forms a breathing space 109 therein. When a user wears the mask device 1, the user's nose and mouth can be accommodated in the breathing space 109. The protrusion 102 may have a left-right width or a horizontal cross-sectional area that increases from top to bottom. For example, the protrusion 102 may be formed in a water drop shape.

The air duct 103 of the mask body 10 may be formed on the front surface of the protrusion 102. The air duct 103 may be formed so that the front of the protrusion 102 protrudes further forward. For example, the air duct 103 may have a triangular shape.

The air duct 103 has an air inlet formed on its lower surface and an air outlet formed on its rear surface. And the fan module 14 may be placed below the air duct 103. The fan module 14 may have an air inlet formed on the front side and an air outlet formed on the upper side. The air outlet of the fan module 14 may be connected to the air inlet of the air duct 103.

A pair of first exhaust ports 104 of the mask body 10 may be formed on the side of the protrusion 102. The pair of first exhaust ports 104 may be arranged to be spaced apart from each other on both sides of the air duct 103.

A pair of second exhaust ports 105 of the mask body 10 may be arranged to be spaced apart from each other on both sides of the protrusion 102 . The pair of second exhaust ports 105 may be disposed on both upper edges of the mask body 10, respectively. The discharge filter 15 may be installed in the second exhaust port 105.

The mask body 10 may include a magnet mounting portion 108 for fixing it to the mask sealer 50. The magnet mounting portion 108 may be provided in plural numbers at the edge of the mask body 10. The magnet mounting portion 108 may be formed by being recessed from the back to the front of the mask body 10. The magnet mounting portion 108 is equipped with a magnet that exerts an attractive force on the magnet 51 provided in the mask sealer 50.

In this embodiment, the magnet mounting portion 108 consists of three pieces, and may be disposed at edges corresponding to the left, right, and lower sides, respectively, based on the center of the mask body 10.

The mask body 10 may include a hook mounting groove 110 for coupling with the mask sealer 50. The hook mounting groove 110 may be understood as a configuration for fitting into a sealer hook provided on the mask sealer 50. The hook mounting groove 110 may be formed at the top of the rear surface of the mask body 10.

By this structure, while the sealer hook of the mask sealer 50 is coupled to the hook mounting groove 110, the magnets 51 of the mask sealer 50 are respectively fixed to the magnet mounting portions 108. It can be. Accordingly, the user can easily and stably attach and detach the mask sealer 50 to the mask body 10.

Hereinafter, the air flow of the mask device 1 will be described.

First, the user wears the mask device 1 in close contact with the face. Then, the mask device 1 is turned on to drive the fan module 14.

When the fan module 14 is driven, external air is sucked into the intake port 101 through the air cover 12 provided on the bottom of the mask body 10. And the air sucked through the intake port 101 is purified while passing through the first intake port 312 and the second intake port 313 of the inner cover 30 and then passing through the intake filter 13. The purified air is guided to the air passage 103a of the air duct 13 through the fan module 14 and then provided to the breathing space 109.

The user can use the purified air provided to the breathing space 109 and then discharge it. The discharged air flows through the exhaust passage 302 through the first exhaust port 104 and is then discharged to the rear of the mask device 1 through the second exhaust port 105. At this time, the discharged air passes through the second exhaust port 105 and is purified by the discharge filter 15 before being discharged.

Claims

A mask body with a portion of the front protruding forward to form a breathing space inside;

Goggles detachably coupled to the top of the mask body;

an inner cover coupled to the front of the mask body and dividing the inner space into an intake passage and an exhaust passage; and

It includes an outer cover coupled to the front of the inner cover,

Outside air flows into the lower part of the mask body and then moves into the breathing space through the intake passage,

A mask device in which the air discharged from the breathing space flows through the exhaust passage and is then discharged to the rear of the mask body.
According to claim 1,

A fan module installed on the front of the mask body;

an intake port formed on the bottom of the mask body; and

A mask device further comprising an exhaust port formed on an upper rear surface of the mask body.
According to claim 2,

The exhaust port is

a first exhaust port through which air discharged from the breathing space is directed to the exhaust passage; and

A mask device including a second exhaust port through which air passing through the exhaust passage is discharged to the rear of the mask body.
According to claim 3,

The second exhaust port is formed on both sides of the upper part of the mask body,

The first exhaust port is a mask device formed at a point between the second exhaust ports.
According to claim 3,

The front center of the mask body further includes a protrusion protruding forward,

The fan module is installed on the front of the protrusion,

The first exhaust port is a mask device formed on the protrusion corresponding to an upper portion of the fan module.
According to claim 5,

A mask device in which an intake filter is disposed in front of the fan module to purify foreign substances in the air flowing into the intake port.
According to claim 5,

A mask device in which an air duct is formed on the front of the protrusion to provide air discharged from the fan module to the breathing space.
According to claim 7,

The lower surface of the air duct is connected to the air outlet of the fan module,

A mask device where the back of the air duct is connected to the breathing space.
According to claim 2,

The inner cover is a mask device including a partition rib with a rear portion extending rearwardly and contacting the front surface of the mask body.
According to clause 9,

The partition rib includes a first partition rib extending from the back of the inner cover to both sides,

The exhaust passage is located on the upper side of the first compartment rib,

A mask device in which the intake passage is located below the first compartment rib.
According to claim 10,

The partition rib is,

a second compartment rib extending on both sides from a point spaced apart above the first compartment rib; and

The mask device further includes a pair of third compartment ribs extending downward from any two points of the first compartment ribs.
According to claim 11,

A mask device in which the exhaust passage is defined by the first compartment rib, the second compartment rib, and an edge portion of the inner cover.
According to claim 12,

A mask device in which the intake passage is defined by the first compartment rib, the pair of third compartment ribs, and an edge portion of the inner cover.
According to claim 13,

A mask device in which a full-length area where a battery or a substrate is installed is formed on both sides of the intake passage.
According to claim 2,

an air grill coupled to the intake port; and

The mask device further includes an air cover inserted inside the air grill and covering the intake port.
According to claim 1,

A mask device further comprising a mask sealer coupled to the back of the mask body and in close contact with the user's face.
According to claim 16,

A plurality of magnet coupling portions are provided at the edges of the mask body,

A mask device including a plurality of magnets coupled to the plurality of magnet coupling portions at an edge of the mask sealer.
According to claim 1,

Further comprising a body bracket coupled to surround an edge of the mask body,

The goggles are a mask device that is detachably coupled to the top of the body bracket.
According to claim 18,

The goggles are,

A goggle bracket mounted on the upper part of the body bracket;

A lens coupled to the inside of the goggle bracket; and

A mask device including a goggle sealer coupled to the rear edge of the goggle bracket.
According to claim 1,

A mask device further comprising a strap detachably coupled to an edge of the body bracket.