KR102416882B1 - Mask apparatus - Google Patents

Abstract

A mask device according to the present invention includes a mask body in which a connector hole for charging is formed; an electronic component installed on the mask body; a battery for providing power to the electronic component; and a power module for charging the battery, wherein the power module includes: a circuit board; a charging terminal installed on the circuit board and inserted into the connector hole; and a sealing member interposed between an outer circumferential surface of the charging terminal and an inner circumferential surface of the connector hole.

Description

Mask device {MASK APPARATUS}

The present invention relates to a mask device.

In general, a mask is a device that covers a user's nose and mouth to prevent inhalation and scattering of germs and dust. The mask is attached to the user's face to cover the user's nose and mouth. The mask filters germs and dust contained in the air flowing into the user's nose and mouth, and allows the filtered air to flow into the user's mouth and nose.

Air and germs, dust, etc. contained in the air pass through the body of the mask formed of the filter, while the germs, dust, etc. are filtered by the body of the mask. However, there is a problem in that the user's breathing is not smooth in the process in which air is introduced into the user's nose and mouth after passing through the body of the mask or flows out after passing through the body of the mask.

Prior Literature Korean Patent Publication No. 10-1460942 (registration date: November 05, 2014) discloses a "mask".

The mask disclosed in the preceding document includes a mask body disposed on the wearer's face, an air purifier coupled to the mask body and purifying and discharging air introduced therein, and coupled to the mask body and purified through the air purifier It includes a control unit for controlling the amount of air discharged.

The air purifier includes an air inlet through which air is introduced, a filter unit for purifying air introduced into the air inlet, an air outlet through which the air purified by the filter unit is discharged, and air introduced into the air inlet through the filter unit. To be discharged to the air outlet, it may include a blowing fan for forcibly circulating air. That is, in the case of the prior literature, by providing a filter and a blowing fan in the mask, it is possible to help the wearer's breathing.

On the other hand, the conventional mask further includes a power supply unit for supplying power to the air purifier and the control unit, a switch unit for switching whether power is supplied to the air purifier and the control unit from the power supply unit, and a light emitting unit for emitting light when the switch unit is powered on do.

The power supply unit includes a battery for supplying power to the air purifier and a charging terminal for charging the battery, and an external charging device is coupled to the charging terminal to charge the battery.

However, in the case of the conventional mask, since the charging terminal is exposed to the outside of the mask, there is a problem that water or dust flows into the inside of the charging terminal. When water flows into the charging terminal, water penetrates into the mask to cause malfunction of the battery as well as other electronic components.

In addition, since the switch unit for operating the air purifier is located inside the mask body close to the wearer's face, there is an inconvenience in that the wearer cannot operate the switch unit while wearing the mask.

The present invention has been devised to solve the above problems, and an object of the present invention is to provide a mask device capable of preventing water or foreign substances from flowing into the charging terminal.

Another object of the present invention is to provide a mask device capable of effectively waterproofing internal electronic components even if water penetrates into the charging terminal.

Another object of the present invention is to provide a mask device capable of easily operating the power of a fan module even while wearing a mask.

Another object of the present invention is to provide a mask device that can easily check an operating state when a fan module is operating.

A mask device according to an embodiment of the present invention includes a mask body in which a connector hole for charging is formed, an electronic component installed in the mask body, a battery for supplying power to the electronic component, and a battery for charging the battery Includes power module.

In this case, the power module may include a circuit board, a charging terminal installed on the circuit board and inserted into the connector hole, and a sealing member interposed between an outer peripheral surface of the charging terminal and an inner peripheral surface of the connector hole. Therefore, since the inside of the charging terminal is sealed by the sealing member, it is possible to prevent water or foreign substances from easily flowing into the charging terminal from the outside.

In addition, since the outer surface of the circuit board is treated with a waterproof coating, it is possible to prevent the circuit board from being damaged even if water penetrates into the mask device.

The mask body may include a base portion on which the electronic component is installed and an edge portion extending to a predetermined height along an edge of the base portion.

Here, the connector hole may be formed at an edge of the mask body, and the charging terminal may be disposed upwardly spaced apart from the base of the mask body.

A support rib for supporting the circuit board to be spaced upwardly from the base may be formed on the base portion or the edge portion. Therefore, even if water penetrates through the charging terminal, it is possible to minimize the occurrence of a failure due to immersion.

The mask device may further include a mask body cover having an air inlet through which air is sucked and coupled to the mask body so as to cover the electronic component. In this case, the battery may be disposed at a central portion of the mask body, and the power module may be disposed at an edge portion of the mask body.

In addition, the mask device may further include a fan module disposed between the battery and the power module, and the air sucked through the air inlet may be introduced into a suction side of the fan module. That is, since the power module is disposed adjacent to the air flow path through which the air flows, there is an advantage that the power module can be dissipated according to air cooling.

The mask device may further include a sealing unit coupled to the mask body to define a breathing space in which the wearer breathes, and the air discharged from the fan module may be provided as a breathing space of the sealing unit.

In addition, the mask device according to an embodiment of the present invention includes a mask body in which a power module including a power switch and an LED is installed, a mask body cover coupled to the mask body to cover the power module, and the mask body cover It may include a filter cover that is detachably coupled to the filter cover and a manipulation unit that is movably installed in the filter cover and can press the power switch.

In this case, the LED may be disposed to face the manipulation unit so that the light emitted from the LED passes through the manipulation unit and is emitted to the outside. Accordingly, the power of the mask device can be easily manipulated, and the light of the LED can be reflected or diffused softly to the outside through the manipulation unit, so that the operating state of the mask device can be easily checked.

In addition, the mask device may further include a diffusion plate protruding to a predetermined height along the circumference of the LED. The diffusion plate may wrap around the LED so that the LED is positioned therein. In this case, the diffusion plate protrudes toward the manipulation unit, and the cross-sectional area of the diffuser plate may become smaller as it approaches the manipulation unit.

Accordingly, the light emitted from the LED may not spread, but may be gathered toward the manipulation unit.

In addition, the inner surface of the manipulation unit facing the LED may be formed to be rounded for light diffusion. In this case, since a diffusion groove for light diffusion is recessed and formed in the inner surface of the manipulation unit, light emitted from the LED can be uniformly irradiated to the surface of the manipulation unit.

The manipulation unit includes a front surface inserted into the filter cover and exposed to the outside, and a rear surface facing the LED. In this case, a contact portion extending rearward toward the operation switch may be provided on a rear surface of the operation unit, and a locking portion inserted into a locking groove formed inside the filter cover may be provided on a side surface of the operation unit.

The filter cover may include a front surface and a plurality of side surfaces extending rearward along an edge of the front surface, and a filter may be accommodated in an inner space formed by the front surface and the plurality of side surfaces.

The filter cover may further include a partition rib connecting opposite sides of the filter cover, and a space in which the filter is accommodated and a space in which the manipulation unit is accommodated may be partitioned by the partition rib.

According to the mask apparatus of the present invention as described above, the following effects are obtained.

First, since the inside of the charging terminal is sealed by the sealing member, there is an advantage that can prevent water or foreign substances from easily flowing into the charging terminal from the outside.

Second, since the entire substrate connected to the charging terminal is coated with a waterproof coating, it is possible to minimize the occurrence of failure due to immersion even if water penetrates into the charging terminal.

Third, since the power of the mask device can be easily turned on or off through the manipulation unit of the filter case provided on the front surface of the mask, there is an advantage in that the usability is improved. That is, the fan module can be turned on or off even when the mask device is worn.

Fourth, when the power of the mask is turned on through the operation unit, light generated from the LED may be reflected or diffused softly around the operation unit, so that it is possible to easily check the operating state of the fan module.

1 is a left perspective view of a mask apparatus according to an embodiment of the present invention.
2 is a right perspective view of a mask device according to an embodiment of the present invention.
3 is a rear view of a mask device according to an embodiment of the present invention.
4 is a bottom view of a mask device according to an embodiment of the present invention.
5 is an exploded perspective view of a mask device according to an embodiment of the present invention.
6 and 7 are diagrams illustrating the flow of air when the mask apparatus according to an embodiment of the present invention is operated.
8 is a view showing a state in which the first filter cover is removed from the mask apparatus according to an embodiment of the present invention.
9 is a view showing a state in which the mask body cover is removed from the mask apparatus according to an embodiment of the present invention.
10 is a perspective view showing a mask body according to an embodiment of the present invention.
11 is a rear perspective view of a filter cover according to an embodiment of the present invention.
12 is a cross-sectional perspective view illustrating a cross-section of a filter cover according to an embodiment of the present invention.
13 is a cross-sectional view showing a cross-section taken along line 13-13' of FIG. 2 .
14 is a cross-sectional view showing a cross-section taken along line 14-14' of FIG.
15 is a view showing a path of light for irradiating light to the periphery of the manipulation unit according to an embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. In adding reference numerals to the components of each drawing, it should be noted that the same components are given the same reference numerals as much as possible even though they are indicated on different drawings. In addition, in describing the embodiment of the present invention, if it is determined that a detailed description of a related known configuration or function interferes with the understanding of the embodiment of the present invention, the detailed description thereof will be omitted.

In addition, in describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only for distinguishing the elements from other elements, and the essence, order, or order of the elements are not limited by the terms. When it is described that a component is "connected", "coupled" or "connected" to another component, the component may be directly connected or connected to the other component, but another component is between each component. It will be understood that may also be "connected", "coupled" or "connected".

1 is a left perspective view of a mask apparatus according to an embodiment of the present invention, FIG. 2 is a right perspective view of a mask apparatus according to an embodiment of the present invention, and FIG. 3 is a rear view of the mask apparatus according to an embodiment of the present invention , Figure 4 is a bottom view of the mask device according to an embodiment of the present invention.

1 to 4 , the mask device 1 according to an embodiment of the present invention may include a mask body 10 and a mask body cover 20 coupled to the mask body 10 .

The mask body 10 and the mask body cover 20 may be detachably coupled. When the mask body 10 and the mask body cover 20 are coupled, an inner space may be formed between the mask body 10 and the mask body cover 20 .

Components for driving the mask device 1 may be disposed in the inner space. The inner space may be positioned between the front surface of the mask body 10 and the rear surface of the mask body cover 20 . The mask body 10 may form a rear surface of the mask apparatus 1 , and the mask body cover 20 may form a front surface of the mask apparatus 1 .

The rear of the mask apparatus 1 defines a direction in which the rear surface of the mask apparatus 1 facing the user's face is located, and the front of the mask apparatus 1 is the front surface of the mask apparatus 1 exposed to the outside The direction in which it is located is defined as the opposite direction of the rear.

The mask device 1 may further include a sealing bracket 30 and a sealing part 40 .

The sealing bracket 30 may be detachably coupled to the rear surface of the mask body 10 . The sealing bracket 30 may fix the sealing part 40 to the rear surface of the mask body 10 . When the sealing bracket 30 is separated from the rear surface of the mask body 10 , the sealing part 40 may be separated from the mask body 10 .

The sealing part 40 is supported on the rear surface of the mask body 10 by the sealing bracket 30 , and a breathing space for breathing is defined between the sealing part 40 and the mask body 10 . can be The sealing part 40 may be in close contact with the user's face, and may restrict the inflow of external air into the breathing space by covering the user's nose and mouth.

The mask body cover 20 may include a first filter mounting part 21 and a second filter mounting part 22 . The first filter mounting part 21 may be located on the right side of the mask body cover 20 , and the second filter mounting part 22 may be located on the left side of the mask body cover 20 . A left direction (left) and a right direction (right) are defined based on the mask device 1 mounted on the user's face. In addition, an upward direction (upward) and a downward direction (downward) are defined based on the mask device 1 mounted on the user's face.

A first filter cover 25 may be mounted on the first filter mounting unit 21 , and a second filter cover 26 may be mounted on the second filter mounting unit 22 . A filter is disposed inside the first filter mounting unit 21 and the second filter mounting unit 22 , and the first filter cover 25 and the second filter cover 26 may cover the filter. .

The first filter cover 25 and the second filter cover 26 may be detachably coupled to the first filter mounting unit 21 and the second filter mounting unit 22 , respectively. For example, the first filter cover 25 and the second filter cover 26 may be fitted to the first filter mounting part 21 and the second filter mounting part 22 .

A first air inlet 251 may be formed in the first filter cover 25 . A second air inlet 261 may be formed in the second filter cover 26 . A plurality of the first air inlet 251 and the second air inlet 261 may be provided.

In a state in which the first filter cover 25 is mounted on the first filter mounting part 21 , the first air inlet 251 may be formed to be exposed to an external space. In a state in which the second filter cover 26 is mounted on the second filter mounting part 22 , the second air inlet 261 may be formed to be exposed to the outside space. The first air inlet 251 and the second air inlet 261 may be formed on at least one of an upper surface and a side surface of the first filter cover 25 and the second filter cover 26 .

Based on the filter covers 25 and 26, a surface facing the filter mounting parts 21 and 22 is defined as a bottom surface, a surface exposed to the external space is defined as an upper surface, and the bottom surface and the upper surface are connected A side is defined as a side.

When the first air inlet 251 and the second air inlet 261 are provided on the side surfaces of the filter covers 25 and 26, the lower side of the filter covers 25 and 26 are formed with the filter mounting part ( 21 and 22), the first air inlet 251 and the second air inlet 261 may be formed on the upper side of the filter covers 25 and 26.

In this embodiment, the first air inlet 251 is a first air inlet 251a provided on the side of the first filter cover 25 facing upward of the mask device 1, A first air inlet 251b provided on a side surface of the first filter cover 25 facing forward, and a first air inlet port provided on a side surface of the first filter cover 25 facing downward of the mask device 1 (251c) may be included.

The second air inlet 261 is a second air inlet 261a provided on a side surface of the second filter cover 26 facing upward of the mask device 1, and a second air inlet 261a facing the front of the mask device 1 2 A second air inlet 261b provided on a side surface of the filter cover 26, and a second air inlet 261c provided on a side surface of the second filter cover 26 facing downward of the mask device 1; can do.

Meanwhile, an opening for installing a manipulation unit 195 for controlling the operation of the mask device 1 may be formed in any one of the first filter cover 25 and the second filter cover 26 . The manipulation unit 195 may be provided as a manipulation switch for turning on/off the power of the mask device 1 . The manipulation unit 195 may be exposed to the front of the mask device 1 through the openings of the filter covers 25 and 26 .

The mask body 10 may include a hook mounting part 108 . The hanger mounting portion 108 may be provided on the left and right sides of the mask body 10, respectively. A hook mounting part provided on the right side of the mask body 10 is defined as a first hook mounting part 108a, and a hook mounting part provided on the left side of the mask body 10 is defined as a second hook mounting part 108b.

A plurality of the first hanger mounting part 108a and the second hanger mounting part 108b may be provided to be spaced apart from each other in the vertical direction of the mask body 10 . The first hanger mounting portion 108a may be provided on the upper right and lower right sides of the mask body 10, and the second hanger mounting portion 108b may be provided on the upper left and lower left sides of the mask body 10. have.

A string or string for wearing the mask device 1 on the user's face may be mounted on the hanger mounting part 108 . A string or string connects the first hanger mounting part 108a and the second hanger mounting part 108b, or a plurality of first hanger mounting parts 108a spaced apart in the vertical direction and a plurality of second hangers spaced apart in the vertical direction. Each of the hanger mounting portions 108b may be connected.

The hanger mounting part 108 may be formed by cutting a part of the mask body 10 . Therefore, air may be introduced into the inner space of the mask body 10 and the mask body cover 20 through the hanger mounting part 108 . The external air introduced into the internal space through the hanger mounting part 108 may air-cool the electronic components disposed in the internal space of the mask device 1 .

External air introduced into the inner space of the mask body 10 through the hanger mounting part 108 is discharged back to the external space through the hanger mounting part 108, and the external air is restricted from flowing into the breathing space To this end, the inside of the mask device 1 may have a sealing structure.

The mask body 10 may include an air outlet 129 for discharging filtered air to the breathing space. The user can breathe in the filtered air supplied from the air outlet 129 to the breathing space. The air outlet 129 includes a first air outlet 129a that flows into the first air inlet 251 and discharges filtered air into the breathing space, and the second air inlet 261 introduced into the filtered air. It may include a second air outlet (129b) for discharging air to the breathing space.

The first air outlet 129a may be disposed on the right side with respect to the center of the mask body 10 , and the second air outlet port 129b may be disposed on the left side. The air introduced into the first air inlet 251 may flow to the first air outlet 129a after passing through the filter. The air introduced into the second air inlet 261 may flow to the second air inlet 261 after passing through the filter.

The mask body 10 may include air outlets 154 and 155 for discharging air exhaled by the user to the external space. The air outlets 154 and 155 may be located under the mask body 10 .

The air outlets 154 and 155 may include a first air outlet 154 formed by opening the mask body 10 and a second air outlet 155 formed on the bottom surface of the mask body 10 . . Between the mask body 10 and the mask body cover 20, a flow space for passing air passing through the first air outlet 154 and flowing toward the second air outlet 155 may be formed. can

A check valve may be formed at at least one of the first air outlet 154 and the second air outlet 155 . A backflow of external air into the breathing space may be prevented by the check valve. The check valve may be located in a flow space connecting the first air outlet 154 and the second air outlet 155 .

The mask body 10 may include a sensor mounting part 109 . The sensor mounting unit 109 may be equipped with a sensor for acquiring information from the breathing space. The sensor mounting part 109 may be located above the mask body 10 . The sensor mounting part 109 may be located on the upper part of the mask body 10 in consideration of a position where a change in pressure in the breathing space can be constantly detected when the user breathes.

The mask body 10 may include a connector hole 135 . The connector hole 135 may be understood as an opening in which a connector (not shown) for supplying power to the mask device 1 is installed. The connector hole 135 may be located on any one of the left and right sides of the mask body 10 . In this embodiment, since the manipulation unit 195 and the connector are connected to a power module 19 to be described later, the connector hole 135 is a mask body 10 corresponding to a position where the power module 19 is installed. may be provided on either the left or right side of

Hereinafter, the components of the mask device 1 will be described in detail based on an exploded perspective view.

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

Referring to FIG. 5 , the mask device 1 according to the present invention may include a mask body 10 , a mask body cover 20 , a sealing bracket 30 , and a sealing part 40 . The mask body 10 and the mask body cover 20 may be coupled to each other to form a body of the mask device 1 .

An inner space for accommodating components for operating the mask device 1 may be formed between the mask body 10 and the mask body cover 20 . The sealing bracket 30 and the sealing part 40 are coupled to the rear surface of the mask body 10 to form a breathing space between the user's face and the mask body 10, and external air into the breathing space can be prevented from entering.

The mask body 10 may include a cover coupling groove 101 . The cover coupling groove 101 may be formed on the front edge of the mask body 10 . The cover coupling groove 101 may be formed by a step. The cover coupling groove 101 may be formed to correspond to the edge of the mask body cover 20 . The cover coupling groove 101 may be formed by recessing a portion of the front surface of the mask body 10 to the rear. The mask body cover 20 may be inserted into the cover coupling groove 101 by moving the mask body cover 20 toward the cover coupling groove 101 of the mask body 10 .

The mask body 10 may include a first cover coupling portion 102 . An upper portion of the mask body cover 20 may be supported by the first cover coupling portion 102 . The first cover coupling part 102 may be formed on the front surface of the mask body 10 . The first cover coupling portion 102 may be located on the mask body 10 .

For example, the first cover coupling portion 102 may be formed as a hook engaging portion to which a hook is coupled to the front surface of the mask body 10 . A hook coupled to the first cover coupling part 102 may be formed on the mask body cover 20 . The first cover coupling portion 102 may be provided in plurality, and the hook may also be provided in plurality to correspond to the first cover coupling portion 102 . In this embodiment, the first cover coupling portion 102 may be provided on the left and right sides with respect to the center of the mask body 10, respectively. The first cover coupling part 102 may be referred to as an upper cover coupling part.

The mask body 10 may include a first bracket coupling part 103 . The first bracket coupling part 103 may support an upper portion of the sealing bracket 30 . The first bracket coupling part 103 may be formed on the rear surface of the mask body 10 . The first bracket coupling part 103 may be located on the mask body 10 .

For example, the first bracket coupling part 103 may be formed in the shape of a hook protruding backward from the rear surface of the mask body 10 . A first body coupling part 304 coupled to the first bracket coupling part 103 may be formed in the sealing bracket 30 . The first bracket coupling part 103 may be provided in plurality, and the first body coupling part 304 may also be provided in plurality to correspond to the first bracket coupling part 103 . In the present embodiment, the first bracket coupling part 103 may be provided on the left and right sides of the mask body 10, respectively. The first bracket coupling part 103 may be referred to as an upper bracket coupling part.

The mask body 10 may include a support rib 104 . The support rib 104 may be formed to protrude forward from the front surface of the mask body 10 . The support rib 104 may contact the mask body cover 20 when the mask body 10 and the mask body cover 20 are coupled. The mask body 10 and the mask body cover 20 may resist external force in the front-rear direction by the support rib 104 . A plurality of the support ribs 104 may be provided on the front surface of the mask body 10 .

The mask body 10 may include a second cover coupling part 106 . A lower portion of the mask body cover 20 may be supported by the second cover coupling portion 106 . The second cover coupling part 106 may be formed on the front surface of the mask body 10 . The second cover coupling part 106 may be located under the mask body 10 .

For example, the second cover coupling part 106 may be formed as a hook on the front surface of the mask body 10 . A hook engaging portion coupled to the second cover coupling portion 106 may be formed on the mask body cover 20 . The second cover coupling portion 106 may be provided in plurality, and the hook engaging portion may also be provided in plurality to correspond to the second cover coupling portion 106 . In this embodiment, the second cover coupling portion 106 may be provided on the left and right sides of the mask body 10, respectively, based on the center. The second cover coupling part 106 may be referred to as a lower cover coupling part.

The mask body 10 may include a second bracket coupling part 107 . A lower portion of the sealing bracket 30 may be supported by the second bracket coupling part 107 . The second bracket coupling part 107 may be formed by opening the mask body 10 . The second bracket coupling part 107 may be located under the mask body 10 .

For example, the second bracket coupling part 107 may be formed as a through hole through which the mask body 10 is opened. A second body coupling part 305 coupled to the second bracket coupling part 107 may be formed in the sealing bracket 30 . The second bracket coupling part 107 may be provided in plurality, and the second body coupling part 305 may also be provided in plurality to correspond to the second bracket coupling part 107 . In this embodiment, the second bracket coupling part 107 may be provided on the left and right sides of the mask body 10, respectively. The second bracket coupling part 107 may be referred to as a lower bracket coupling part.

The mask body 10 may include a sensor mounting part 109 . The sensor mounting part 109 may be formed on the front surface of the mask body 10 . The sensor mounting part 109 may be formed so that the front surface of the mask body 10 protrudes forward, and has an installation space in which the sensor is installed. A hole communicating the installation space and the breathing space is formed in the mask body 10, and the sensor disposed in the installation space obtains information of the breathing space from the air introduced into the installation space through the hole. can In this embodiment, the sensor is provided as a pressure sensor, it is possible to sense the pressure information of the breathing space.

The mask body 10 may include a fan module mounting unit 110 . The fan module mounting unit 110 may include a first fan module mounting unit 110a in which the first fan module 16 is mounted and a second fan module mounting unit 110b in which the second fan module 17 is mounted. . The first fan module mounting part 110a and the second fan module mounting part 110b may be formed on the front surface of the mask body 10 .

The first fan module mounting part 110a may be disposed on the right side of the mask body 10 , and the second fan module mounting part 110b may be disposed on the left side of the mask body 10 . The first fan module 16 and the second fan module 17 may be detachably coupled to the first fan module mounting part 110a and the second fan module mounting part 110b, respectively.

The mask body 10 may include an air duct unit 120 . The air duct part 120 may be formed on the front surface of the mask body 10 . A flow path through which air may pass may be formed in the air duct unit 120 . The air duct unit 120 includes a first air duct unit 120a connected to the first fan module mounting unit 110a and a second air duct unit 120b connected to the second fan module mounting unit 110b. may include

The first air duct part 120a and the second air duct part 120b are one side of the first fan module mounting part 110a facing the center of the mask body 10 and the second fan module mounting part 110b. It may be disposed on the other side. The first air duct part 120a and the second air duct part 120b may be positioned between the first fan module mounting part 110a and the second fan module mounting part 110b. One end of the air duct unit 120 communicates with the fan modules 16 and 17 to introduce air, and the other end of the air duct unit 120 communicates with the air outlet 129 to allow the introduced air to flow. can be ejected.

The air duct unit 120 may include a control module mounting unit 128 for mounting the control module 18 . A part of the air duct part 120 is formed as a plane on which the control module 18 can be mounted, and the plane is defined as the control module mounting part 128 . The control module mounting unit 128 includes a first control module mounting unit 128a provided to the first air duct unit 120a and a second control module mounting unit 128b provided to the second air duct unit 120b. may include One control module 18 or a plurality of control modules may be respectively fixed to the first control module mounting part 128a and the second control module mounting part 128b.

The mask body 10 may include a power module mounting unit 130 for mounting the power module 19 . The power module mounting part 130 may be formed on the front surface of the mask body 10 . The power module mounting unit 130 may be provided on any one of the left and right sides of the mask body 10 .

The power module mounting unit 130 may be located on the side of the control module mounting unit 128 . The power module mounting unit 130 may be provided between the control module mounting unit 128 and the end of any one of the left and right sides of the mask body 10 . The connector hole 135 may be located adjacent to any one of the left and right sides of the mask body 10 provided with the power module mounting unit 130 .

The mask body 10 may include a battery mounting unit 140 for mounting a battery. The battery mounting part 140 may be formed on the front surface of the mask body 10 . The battery mounting unit 140 may be formed to protrude forward from the front surface of the mask body 10 to surround the battery.

For example, the battery mounting unit 140 may be formed by protruding a plurality of guide ribs from the front surface of the mask body 10 to the front. When some of the plurality of guide ribs protruding forward are bent in a direction to face each other, a battery accommodating space in which the battery is accommodated may be formed between the plurality of guide ribs and the front surface of the mask body 10 . The battery may be moved in the vertical direction to be inserted or removed from the battery accommodating space of the battery mounting unit 140 . A lower portion of the battery inserted into the battery mounting unit 140 may be supported by an air discharge unit 150 to be described later.

The mask body 10 may include an air outlet 150 . The air outlet 150 may be formed under the mask body 10 . The air outlet 150 may form a flow space through which air flowing from the first air outlet 154 toward the second air outlet 155 passes. The air outlet 150 may be formed so that the front surface of the mask body 10 protrudes forward.

When the mask body 10 and the mask body cover 20 are coupled, the air outlet 150 is in contact with the mask body cover 20, and the inner space of the mask body 10 and the flow space This can be differentiated. For example, the air discharge unit 150 may include an upper surface, a bottom surface, and both sides defining a flow space. The front surface of the air discharge unit 150 is defined by the mask body cover 20 , and the rear surface of the air discharge unit 150 is defined by the mask body 10 . The battery may be supported on the upper surface of the air discharge unit 150 .

A bottom surface of the air outlet 150 may be opened, and the second air outlet 155 may be formed. The bottom surface of the air discharge unit 150 is connected to the bottom surface of the mask body 10 , and the bottom surface of the mask body 10 has a front surface of the mask body 10 protruding toward the air discharge unit 150 . It may be defined as one surface of the reinforcing rib formed by The cover coupling groove 101 is formed on the bottom surface of the mask body 10 , and the lower end of the mask body 10 and the mask body cover 20 may be coupled to each other. A rear surface of the air outlet 150 may be opened, and the first air outlet 154 may be formed. Both side surfaces of the air discharge unit 150 may be formed to be bent.

The mask body cover 20 may include filter mounting parts 21 and 22 . The filter mounting portions 21 and 22 may be formed by being depressed in a direction in which the front surface of the mask body cover 20 faces the rear surface. Filters 23 and 24 are accommodated inside the recessed filter mounting parts 21 and 22, and filter covers 25 and 26 are provided on the filter mounting parts 21 and 22 in a state in which the filters 23 and 24 are accommodated. can be installed.

Air intakes 211 and 221 may be formed on the bottom surfaces of the filter mounting parts 21 and 22 . The air intake ports 211 and 221 may communicate with intake ports of fan modules 16 and 17 to be described later. The air intakes 211 and 221 may have an inclined surface inclined downward. A filter cover mounting groove 212 for fixing the filter covers 25 and 26 may be formed on side surfaces of the filter mounting parts 21 and 22 .

A coupling protrusion inserted into the filter cover mounting groove 212 may be formed on the filter covers 25 and 26 . The upper surfaces of the filter mounting parts 21 and 22 are opened, so that the filters 23 and 24 and the filter covers 25 and 26 can be inserted. The filter mounting parts 21 and 22 define a front surface of the mask body cover 20 as an upper surface, a rear surface of the mask body cover 20 as a bottom surface, and a surface connecting the upper surface and the lower surface as a side surface.

The bottom surfaces of the filter mounting parts 21 and 22 may be in close contact with the suction ports of the fan modules 16 and 17 to be described later. A sealing material for sealing may be provided between the filter mounting parts 21 and 22 and the fan modules 16 and 17 . The sealing material may surround the air intake ports 211 and 221 and the intake ports of the fan modules 16 and 17 to prevent external air from being introduced.

The filter mounting parts 25 and 26 include a first filter mounting part 21 provided on the right side of the mask body cover 20 and a second filter mounting part 22 provided on the left side of the mask body cover 20 . can do. An air inlet formed in the first filter mounting part 21 may be defined as a first air inlet 211 , and an air inlet formed in the second filter mounting part 22 may be defined as a second air inlet 221 . have.

The filters 23 and 24 may include a first filter 23 accommodated inside the first filter mounting unit 21 and a second filter 24 accommodated inside the second filter mounting unit 22 . can

The filter covers 25 and 26 may include a first filter cover 25 mounted on the first filter mounting unit 21 and a second filter cover 26 mounted on the second filter mounting unit 22 . have. A plurality of first air inlets 251 are formed in the first filter cover 25 to introduce outside air, and a plurality of second air inlets 261 are formed in the second filter cover 26 to allow outside air to flow in. can be introduced.

The inside of the body of the mask device 1 may include fan modules 16 and 17 , a control module 18 , and a power module 19 . The fan modules 16 and 17, the control module 18, and the power module 19 are provided in an internal space formed between the front surface of the mask body 10 and the rear surface of the mask body cover 20. can be accepted. The control module 18 may be referred to as a first electronic circuit component, and the power module 19 may be referred to as a second electronic circuit component.

The fan modules 16 and 17 may include a fan and a fan motor, and a fan housing accommodating the fan and the fan motor. The fan housing may include an inlet through which air is introduced into the fan and an outlet through which air forcedly flowing by the fan is discharged. The fan may be provided as a centrifugal fan.

In this embodiment, the fan modules 16 and 17 may suck in air from the front of the mask body cover 20 and discharge it to the side of the mask body 10 . The fan modules 16 and 17 include a first fan module 16 mounted on the first fan module mounting unit 110a and a second fan module 17 mounted on the second fan module mounting unit 110b. may include

The first fan module 16 communicates with the first air inlet 211 and flows into the first air inlet 251 toward the first air inlet 211 to filter the first filter 23 . The air that has passed through can be sucked in. The second fan module 17 communicates with the second air inlet 221 , and flows into the second air inlet 261 toward the second air inlet 221 to filter the second filter 24 . The air that has passed through can be sucked in. The first fan module 16 communicates with the first air duct part 120a to discharge air into the breathing space, and the second fan module 17 communicates with the second air duct part 120b. to be able to discharge air into the breathing space.

The control module 18 may control the operation of the mask device 1 . The control module 18 may be fixed to the control module mounting unit 128 . The control module 18 may operate by receiving power from the battery or the power module 19 . The control module 18 may transmit/receive various information including a communication module.

The control module 18 may include a data storage module to store various information. The control module 18 may control the operation of the fan modules 16 and 17 . The control module 18 may control the operation of the fan modules 16 and 17 based on information sensed by the sensor. The control module 18 may be electrically connected to the power module 19 , the fan modules 16 and 17 , and a battery to interwork.

The power module 19 may receive power from the outside. The power module 19 may charge the battery. The power module 19 may include a connector and a manipulation unit 195 . The power module 19 may control the power of the mask device 1 by the manipulation unit 195 . The power module 19 may be electrically connected to the control module 18 , the fan modules 16 and 17 , and the battery to supply power.

The sealing part 40 may be coupled to the rear surface of the mask body 10 by the sealing bracket 30 to be in close contact with the user's face. The rear surface of the mask body 10 may be disposed to be spaced apart from the user's face by the sealing part 40 .

The sealing bracket 30 may be formed in a ring shape forming a closed loop. The sealing bracket 30 may be configured such that the sealing part 40 is detachably coupled. By separating the sealing bracket 30 from the mask body 10 , the sealing part 40 may be cleaned. After coupling the sealing part 40 to the sealing bracket 30 , when the sealing bracket 30 is coupled to the mask body 10 , the sealing part 40 is firmly fixed to the mask body 10 . can be

The sealing bracket 30 may include a sealing insertion part 301 to which the sealing part 40 is coupled. The sealing insertion part 301 may be formed as an insertion protrusion into which the sealing part 40 is fitted. The sealing insertion part 301 may be formed to extend from the inside to the outside. The sealing insertion part 301 may be formed to have a smaller thickness from the inside to the outside. The body of the sealing bracket 30 may be formed by the sealing insertion part 301 and a fixing guide 302 to be described later.

The sealing bracket 30 may include a fixing guide 302 . The fixing guide 302 may be formed at an inner end of the sealing insert 301 . The fixing guide 302 may guide the fixing position of the sealing part 40 inserted into the sealing insertion part 301 . When the sealing part 40 is in contact with the fixing guide 302 , the sealing part 40 may be closely coupled to the sealing bracket 30 . The fixing guide 302 may be formed to have a thickness greater than that of the sealing insert 301 . Movement of the sealing part 40 may be restricted by the fixing guide 302 having a greater thickness from the outside to the inside of the sealing insertion part 301 and having a thickness greater than that of the sealing insertion part 301 .

The sealing bracket 30 may include a first body coupling part 304 coupled to the first bracket coupling part 103 . The first body coupling part 304 may be provided on the sealing bracket 30 . The first body coupling part 304 may be provided in a position and number corresponding to the first bracket coupling part 103 . The first body coupling part 304 may be referred to as an upper body coupling part. For example, the first body coupling part 304 may be formed in a locking shape in which the first bracket coupling part 103 formed in a hook shape is hooked.

The sealing bracket 30 may include a second body coupling part 305 coupled to the second bracket coupling part 107 . The second body coupling part 305 may be provided under the sealing bracket 30 . The second body coupling part 305 may be provided in a position and number corresponding to the second bracket coupling part 107 . The second body coupling part 305 may be referred to as a lower body coupling part. For example, the second body coupling part 305 may be formed in a hook shape protruding forward from the sealing insertion part 301 .

The sealing bracket 30 may include a bracket insertion part 306 coupled to the mask body 10 . The bracket insertion part 306 may be inserted into the cutout 127 formed in the mask body 10 . The cutout 127 may be understood as an opening through which air communicates with the air duct 120 . The bracket insertion part 306 may be inserted into one side of the cutout 127 . When the bracket insertion part 306 is inserted into one side of the cutout 127, the other side of the cutout 127 is the air outlet 129 through which the air passing through the air duct 120 is discharged. can be defined.

When the bracket insertion part 306 is inserted into one side of the cutout 127 to shield one side of the cutout 127 , the air discharged from the fan modules 16 and 17 is transferred to the air duct part 120 . ) and the bracket insertion part 306 , it may flow to the other side of the cut-out part 127 , the air outlet 129 . The bracket insertion part 306 may provide a function of fixing the sealing bracket 30 to the mask body 10 while forming one side of the air duct part 120 .

The upper part of the sealing bracket 30 is fixed to the upper part of the mask body 10 by the first body coupling part 304, and the lower part of the sealing bracket 30 is the second body coupling part 305. is fixed to the lower portion of the mask body 10 by the , and the middle portion of the sealing bracket 30 may be fixed to the middle portion of the mask body 10 by the bracket insertion portion 306 .

The sealing part 40 may be formed of a material having elasticity. The sealing part 40 may be in close contact with the user's face and be deformed to correspond to the user's face. The sealing part 40 may be formed in a ring shape forming a closed loop. The sealing part 40 may be formed to cover the user's nose and mouth.

The sealing part 40 may include a rear surface in contact with the user's face, a front surface in contact with the mask body 10 , and a side surface connecting the rear surface and the front surface and having a hollow inner side. A first opening may be included in the front inner side of the sealing part 40 , and a second opening may be included in the rear inner side of the sealing part 40 . When the sealing part 40 is coupled to the mask body 10 , the air outlet 129 and the air outlets 154 and 155 may be positioned inside the first opening. When the user's face and the sealing part 40 come into contact, the user's nose and mouth may be located inside the second opening.

The sealing unit 40 is positioned between the user's face and the mask body 10, and the front side of the sealing unit 40, the back side, and the inside of the side connecting the front side and the back side for breathing space is defined.

The sealing part 40 may include a bracket insertion groove 401 . The bracket insertion groove 401 may be configured to be inserted into the sealing insertion part 301 of the sealing bracket 30 . The bracket insertion groove 401 may be formed on the front surface of the sealing part 40 . The bracket insertion groove 401 may be formed at an inner end of the front surface. The bracket insertion groove 401 formed on the front surface of the sealing part 40 is inserted into the sealing insertion part 301 of the sealing bracket 30 so that the sealing part 40 and the sealing bracket 30 are coupled to each other. can

The sealing part 40 includes seating grooves 404 and 406 in which the first body coupling part 304 and the bracket insertion part 306 are seated, and a through hole 405 through which the second body coupling part 305 passes. ) may be included. The seating grooves 404 and 406 and the through hole 405 may be formed on the front surface of the sealing part 40 .

The seating grooves 404 and 406 are first seating grooves 404 formed in the number and position corresponding to the first body coupling part 304, and the number and position corresponding to the bracket insertion part 306. A second seating groove 406 may be included. The through-holes 405 may be formed in the number and positions corresponding to the second body coupling parts 305 .

When the first body coupling part 304, the second body coupling part 305, and the bracket insertion part 306 are inserted into the seating grooves 404 and 406 and the through hole 405, the sealing part ( 40) and the sealing bracket 30 may be closely coupled.

6 and 7 are diagrams illustrating the flow of air when the mask device according to an embodiment of the present invention is operated.

6 and 7 , the mask device 1 according to the present invention may suck in external air through the air inlets 251,261 formed in the filter covers 25 and 26 . The flow direction of the external air sucked into the mask device 1 is indicated by an arrow "A". Since a plurality of the air inlets 251,261 are configured to suck air in various directions, an inflow of external air may be increased.

For example, the air inlets 251,261 are air inlets 251a and 261a for sucking air from above the mask device 1, air inlets 251b for sucking air from the front of the mask device 1, 261b), air inlets 251c and 261c for sucking air from a lower side of the mask device 1 may be included. Since the filter covers 25 and 26 in which the air inlets 251,261 are formed are respectively disposed on both sides of the mask device 1 , external air can be smoothly sucked from both sides of the mask device 1 .

Foreign matter may be filtered out of the external air introduced through the air inlets 251,261 by the filters 23 and 24 located inside the filter covers 25 and 26 and the filter mounting parts 21 and 22 . The filters 23 and 24 are replaceable when the filter covers 25 and 26 are separated from the mask device 1 .

The air passing through the filters 23 and 24 may be introduced into the intake ports of the fan modules 16 and 17 through the air intake ports 211 and 221 . Since the filter mounting parts 21 and 22 where the air intakes 211 and 221 are formed and the fan modules 16 and 17 are in close contact with each other, it is possible to prevent filtered air from leaking or external air from being introduced.

The air discharged through the outlets of the fan modules 16 and 17 may be introduced into the breathing space through the air outlet 129 after passing through the air duct unit 120 . The flow direction of the air introduced into the breathing space through the air outlet 129 is indicated by an arrow “B”. The breathing space may be defined by the mask body 10 and the sealing part 40 . When the mask body 10 is mounted on the user's face, the sealing part 40 is in close contact with the mask body 10 and the user's face to form an independent breathing space separated from the external space.

The filtered air supplied through the air outlet 129 may be inhaled by the user, and air exhaled by the user may be discharged to the external space through the air outlets 154 and 155 . The air outlets 154 and 155 include a first air outlet 154 communicating with the breathing space and a second air outlet 155 communicating with an external space, the first air outlet 154 and the second air outlet 155 may be in communication with each other by a flow space. Air exhaled by the user may flow into the flow space through the first air outlet 154 . A flow direction of the air flowing into the flow space through the first air outlet 154 is indicated by an arrow “C”.

The air flowing into the flow space through the first air outlet 154 may be discharged to the external space through the second air outlet 155 . A flow direction of the air flowing into the external space through the second air outlet 155 is indicated by an arrow “D”. A check valve is provided at at least one of the first air outlet 154 and the second air outlet 155 to prevent backflow of external air into the breathing space.

8 is a view showing a state in which the first filter cover is removed from the mask apparatus according to an embodiment of the present invention, and FIG. 9 is a view showing a state in which the mask body cover is removed from the mask apparatus according to an embodiment of the present invention. , Figure 10 is a perspective view showing a mask body according to an embodiment of the present invention.

8 to 10 , the mask body cover 20 may be coupled to the front of the mask body 10 . The mask body cover 20 may be formed to be elongated in the left and right directions, and a central portion may be convexly rounded forward. In addition, the mask body cover 20 may be formed symmetrically in the left and right directions with respect to the center of the front surface.

The mask body cover 20 may include a cover front surface forming an outer surface or an outer surface, and a cover rear surface forming an inner surface or a mounting surface.

The front surface of the cover is a portion exposed to the outside to form an appearance when the user wears the mask device 1 . The front surface of the cover may include a first filter mounting part 21 to which the first filter 23 is mounted, and a second filter mounting part 22 to which the second filter 24 is mounted.

The first filter mounting part 21 and the second filter mounting part 22 may be respectively formed on the left and right sides with respect to the center of the front surface of the cover. The first filter mounting part 21 and the second filter mounting part 22 may be symmetrically formed in the left and right directions with respect to the center of the front surface of the cover. The first filter mounting part 21 and the second filter mounting part 22 may be formed to have the same shape or a similar shape to each other.

According to an embodiment, the first filter mounting part 21 and the second filter mounting part 22 may be formed by recessing a part of the front surface of the cover. For example, in the first filter mounting part 21 and the second filter mounting part 22, a part of the front surface of the cover is recessed rearward, so that the first filter 23 and the second filter 24 are seated. space can be created.

Accordingly, the first filter mounting unit 21 and the second filter mounting unit 22 include bottom surfaces 21a and 22a on which the first filter 23 and the second filter 24 are supported in contact with each other, and the Each of the inner surfaces 21b forming the edges of the bottom surfaces 21a and 22a may be included.

A first air intake port 211 through which external air is sucked may be formed on the bottom surface 21a of the first filter mounting part 21 . The air that has passed through the first filter 23 may be sucked into the first fan module 16 through the first air intake 211 .

The first air intake 211 may be located at the center of the bottom surface 21a. For example, the first air intake 211 may be formed to be opened in a circular shape.

The first air inlet 211 may be formed in a shape corresponding to the fan shape of the first fan module 16 . When the first air inlet 211 is formed in a circular shape, the center of the first air inlet 211 and the rotation center of the first fan module 16 may coincide. In this case, the diameter of the first air intake 211 may be smaller than the diameter of the fan of the first fan module 16 .

The first air inlet 211 is positioned between the first filter 23 and the first fan module 16 . In addition, the first filter 23, the first air intake 211, and the first fan module 16 may be concentric.

That is, the first filter 23 is disposed in front of the first air inlet 211 , and the first fan module 16 is disposed in the rear of the first air inlet 211 , so that the first The air introduced into the filter cover 25 may flow straight through the first filter 23 , the first air inlet 211 , and the first fan module 16 .

Therefore, since the flow path of the air sucked from the outside has a straightness, flow resistance is minimized and the suction flow rate can be improved.

In addition, since the first air inlet 211 is formed to have a smaller diameter toward the rear from the bottom surface 21a, the air passing through the first filter 23 can quickly pass through the first fan module 16. can be guided to flow.

At least one first filter cover mounting groove 212 for mounting the first filter cover 25 may be formed on the inner surface 21b of the first filter mounting part 21 .

The first filter cover mounting groove 212 may be further depressed inward from the inner surface 21b of the first filter mounting part 21 . Accordingly, a portion of the first filter cover 25 may be fitted into the first filter cover mounting groove 212 and mounted on the first filter mounting portion 21 .

On the other hand, on the bottom surface 21a of the first filter mounting part 21, a switch opening 21c exposing the power switch 192 of the power module 19, and the LED 193 of the power module 19 ) to expose the LED opening (21d) may be formed.

The switch opening 21c is opened so that the power switch 192 can be contacted by a manipulation unit 50 to be described later.

The LED opening 21d may be opened so that light emitted from the LED 193 is directed toward the manipulation unit 50 .

In this case, the LED opening 21d may be formed to have a smaller cross-sectional area toward the rear from the bottom surface 21a. Accordingly, the light emitted from the LED 193 may not be spread far away, but may be intensively diffused toward the manipulation unit 50 .

The mask body 10 may include a base portion 10a forming a surface on which a plurality of electronic components are installed, and an edge portion 10b extending to a predetermined height along an edge of the base portion 10a. .

The base portion 10a may have a forward convex shape in order to secure an area in which electronic components are installed as much as possible and to make the mask device 1 compact.

A plurality of support ribs 182 , 183 , and 184 for supporting the power module 19 may be provided on the base portion 10a. The plurality of support ribs 182 , 183 , and 184 may be positioned at an edge of the base portion 10a. The plurality of support ribs 182 , 183 , and 183 may be disposed on the side of the fan module mounting unit 110 .

The plurality of support ribs 182 , 183 , and 184 support the power module 19 to be spaced apart from the base portion 10a by a predetermined height without touching the base portion 10a.

The reason for this is to minimize the failure of the power module 19 due to immersion when water penetrates from the outside. In addition, the power module 19 is firmly fixed so that it is not shaken or separated even by an external shock.

The edge portion 10b may be understood as a portion to which the mask body cover 20 is coupled. A connector hole 10c to which a charging terminal 196 to be described later is connected may be formed in the edge portion 10b.

As the charging terminal 196 is inserted into the connector hole 10c, an external power charging cable may be mounted to the charging terminal 196 through the connector hole 10c. Then, an external power source is connected to the charging terminal 196 , so that the power module 19 or the battery 140 can be charged.

A support rib 181 for supporting the power module 19 may also be provided on the edge portion 10b. The support ribs 181 may be provided on both sides of the connector hole 10c in the edge portion 10b, respectively. Accordingly, the power module 19 may be spaced upward from the base portion 10a and located as close to the connector hole 10c as possible.

The power module 19 may include a circuit board 191 , and an operation switch 192 and an LED 193 installed on the circuit board 191 .

The circuit board 191 may be disposed on an edge of the mask body 10 . The circuit board 191 may be supported and seated by the plurality of support ribs 181 , 182 , 183 , and 184 .

In addition, the outer surface of the circuit board 191 may be treated with a waterproof coating. Accordingly, even if water penetrates through the connector hole 10c, damage due to immersion can be minimized.

The operation switch 192 may function to turn on or off the power of the mask device 1 . Alternatively, the operation switch 192 may be used as a function of adjusting the rotation speed of the fan modules 16 and 17 .

The manipulation switch 192 may be mounted on the circuit board 191 . The operation switch 192 may be operated by being pressed by the operation unit 50 to be described later.

The LED 193 may be installed under the circuit board 192 to emit light. The LED 193 may diffuse light forward through the LED opening 21d. The light emitted from the LED 193 may pass through the manipulation unit 50 and be emitted to the outside.

A diffusion plate 195 for light diffusion of the LED 193 may be installed on the circuit board 191 .

The diffusion plate 195 may protrude from the circuit board 191 to a predetermined height along the circumference of the LED 193 . The diffusion plate 195 may surround the circumference of the LED 193 so that the LED 193 is positioned therein.

In this case, the diffusion plate 195 protrudes toward the manipulation unit 50 , and the cross-sectional area of the diffuser plate 195 may become smaller as it approaches the manipulation unit 50 . Accordingly, the light emitted from the LED 193 may be gathered and directed toward the manipulation unit 50 without spreading.

In addition, a charging terminal 196 for charging power may be provided on the circuit board 191 . The charging terminal 196 may be fixed to the circuit board 191 by a bracket 197 .

The charging terminal 196 is disposed to be inserted into the connector hole 10c. Specifically, the charging terminal 196 may be formed in a circular or polygonal shape with an empty interior, and may be inserted into the connector hole 10c.

In this case, a sealing member 198 may be interposed between the outer peripheral surface of the charging terminal 196 and the inner peripheral surface of the connector hole 10c. The sealing member 198 may function to seal a gap between the connector hole 10c and the charging terminal 196 .

Accordingly, even if water is introduced through the connector hole 10c, it is possible to prevent water from flowing over to the circuit board 191 side.

Hereinafter, the configuration of the filter cover and the operation unit will be described in detail with reference to the drawings.

11 is a rear perspective view of a filter cover according to an embodiment of the present invention, and FIG. 12 is a cross-sectional perspective view showing a cross section of the filter cover according to an embodiment of the present invention.

13 is a cross-sectional view showing a cross-section taken along 13-13' of FIG. 2, FIG. 14 is a cross-sectional view showing a cross-section taken along 14-14' of FIG. 2, and FIG. 15 is an embodiment of the present invention. It is a diagram showing the path of light for irradiating light to the periphery of the control unit.

11 to 15 , the filter cover 25 is formed to have a side suction structure.

Specifically, the filter cover 25 may include a cover part 252 disposed in front of the filter mounting part 21 , and a plurality of side parts 253 extending rearwardly from the cover part 252 . .

The cover part 252 is formed in a plate shape to cover the open inner space of the filter mounting part 21 . The cover part 252 may be formed in a shape corresponding to the recessed shape of the filter mounting part 21 . For example, the cover part 252 may be formed in a rectangular plate shape.

The side part 253 is a part extending rearward along the edge of the cover part 252 . The side part 253 may extend to the rear of the cover part 252 and be mounted on the inner surface of the filter mounting part 21 . An air inlet 251 through which air passes may be formed in the side portion 253 .

A first partition rib 256 and a second partition rib 257 may be formed on the filter cover 25 to connect the side surfaces 253 facing each other.

The first partition rib 256 and the second partition rib 257 connect the side surfaces 253 facing each other to form a filter receiving space 25a into which the filter 23 is inserted. The filter 23 may be substantially inserted into the filter accommodation space 25a and fixed.

The first mounting space (not shown) may be formed between the first compartment rib 256 and the side portion 253 facing the first compartment rib 256 .

A first protrusion 254 for fittingly coupled to the filter cover mounting groove 212 may be formed in the first mounting space. The first protrusion 254 may be formed to protrude rearward from the inner surface of the first mounting space.

A second mounting space 257b for mounting the manipulation unit 50 may be formed between the second compartment rib 257 and the side portion 253 facing the second compartment rib 257 .

The manipulation unit 50 is disposed in the second mounting space 257b, and can be moved by a predetermined distance in the front-rear direction.

A locking groove 257a to which a portion of the manipulation unit 50 is engaged may be formed in the second partition rib 257 . Accordingly, the manipulation unit 50 is not removed from the second mounting space 257b, and the movement distance can be limited.

In addition, a first wall 259 and a second wall 260 connecting the second partition rib 257 and the side part 253 facing the second partition rib 257 to each other are formed, so that the operation unit You can guide the location of (50).

An opening for exposing the manipulation unit 50 to the outside may be formed in the cover part 252 of the filter cover 25 . The manipulation unit 50 may be moved in the front-rear direction while being inserted into the second mounting space 257b, and may be exposed to the outside through the opening.

The manipulation unit 50 may be movably installed in the filter cover 25 to press the power switch 192 . The manipulation unit 50 may be formed of a transparent or translucent material. Accordingly, light emitted from the LED 193 may pass or be transmitted.

The manipulation unit 50 includes a manipulation unit body 51 . The manipulation unit body 51 may be formed in a plate or bar shape.

The manipulation unit body 51 may include a front surface 51a inserted into the filter cover 25 and exposed to the outside, and a rear surface 51b facing the LED 193 .

A contact portion 52 extending rearward toward the operation switch 192 may be provided on the rear surface 51b of the operation unit 50 . Accordingly, when the manipulation unit 50 is moved rearward, the contact unit 52 may press the manipulation switch 192 to turn on the power of the mask device 1 .

A locking part 53 inserted into the locking groove 257a formed inside the filter cover 25 may be formed on a side surface of the manipulation unit 50 . The height of the locking part 53 may be formed to be lower than the height of the locking groove 257a, and thus may be limited to move only a certain distance.

The manipulation unit 50 may be disposed to face the LED 193 .

The rear surface 51b of the manipulation unit 50 facing the LED 193 may be formed to be rounded for light diffusion. A diffusion groove 55 for light diffusion may be recessed and formed in the rear surface 51b of the manipulation unit 50 .

As shown in FIG. 15 , the light emitted from the LED 193 may not be spread far away by the diffusion plate 195 , but may be intensively directed toward the manipulation unit 50 .

And the light directed to the manipulation unit 50 is diffused in contact with the rounded rear surface 50b of the manipulation unit 50, and the light introduced into the diffusion groove 55 is diffused to the side of the manipulation unit 50. can Accordingly, the light emitted from the LED 193 may be evenly irradiated to the surface of the manipulation unit.

Therefore, when the power of the mask device 1 is turned on through the manipulation unit 50 , the light generated from the LED 193 may be gently reflected or diffused in front or around the manipulation unit 50 , so that the mask There is an advantage in that the operating state of the device 1 or the fan modules 16 and 17 can be easily checked.

Although the present invention has been described in detail through representative embodiments above, those of ordinary skill in the art to which the present invention pertains will understand that various modifications are possible within the limits without departing from the scope of the present invention with respect to the above-described embodiments. will be. Therefore, the scope of the present invention should not be limited to the described embodiments and should be defined by all changes or modifications derived from the claims and equivalent concepts as well as the claims to be described later.

Claims (20)

A battery is disposed in the center, a fan module is disposed on both sides of the battery, and a base part on which a power module is disposed on a side of the fan module, and a point extending to a predetermined height along an edge of the base part and facing the power module a mask body including an edge on which a connector hole is formed; and
and a mask body cover having an air inlet through which air is sucked and coupled to an edge of the mask body to cover the battery, fan module and power module,
The power module is
a circuit board disposed to be upwardly spaced apart from the base part;
a charging terminal installed on the circuit board and inserted into the connector hole; and
and a sealing member interposed between an outer circumferential surface of the charging terminal and an inner circumferential surface of the connector hole. The method of claim 1,
The outer surface of the circuit board, the mask device, characterized in that the waterproof coating. delete delete The method of claim 1,
A mask device having a support rib formed on the base portion to support the circuit board to be spaced upwardly from the base portion. The method of claim 1,
A mask device having a support rib formed on the edge portion to support the circuit board to be upwardly spaced apart from the base portion. delete The method of claim 1,
The power module is a mask device disposed on the edge portion of the mask body. 9. The method of claim 8,
the fan module is disposed between the battery and the power module;
The air sucked in through the air inlet is introduced into the suction side of the fan module. 10. The method of claim 9,
It is coupled to the mask body, further comprising a sealing portion defining a breathing space in which the wearer breathes,
The air discharged from the fan module is provided as a breathing space of the sealing unit. delete delete delete delete delete delete delete delete delete delete

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