TW202012016A - Mask - Google Patents

Abstract

The invention provides a mask which can add liquid to filter dust particles, and the mask is at least composed of the mask body, the attached airway structure and the hydrophilic foaming body. The mask body can be flexibly deformed and attached to the face of the wearer, and when the wearer inhales the breathing airflow only enters the air chamber of the mask through the attached airway structure. The hydrophilic foaming body can absorb dust particles in breathing airflow by absorbing the liquid, so as to filter dust particles in breathing airflow and clean the breathing air flow, providing a clean breathing environment for the wearer to protect the health of the wearer. In addition, the ventilation passage through the hydrophilic foaming body allows the breathing airflow to go through the attached airway structure in the case of almost no resistance, so as to make the wearer breathe smoothly and reduce discomfort, and solve the problem that the use of high-density masks will cause difficulty in breathing.

Description

Mask

The present invention is a mask, in particular, a mask that can filter dust particles entrained by the wearer's breathing airflow.

According to press, masks on the market have different filtering effects due to different materials. As shown in Figure 1, gauze masks and surgical masks have poor filtering effects, and cannot effectively fit the wearer's face, making the wearer breathe in the airflow. Dust particles 3 easily enter the gap 4 between the mask and the face of the wearer and allow the wearer to inhale. In response, some people use N95 masks that can fit the face of the wearer to block the dust particles from the external environment. However, the N95 mask is made of a high-density material with poor air permeability, and blocks the dust particles 3 in the respiratory air flow of the wearer to provide filtering for the respiratory air flow and allows the N95 mask to filter well, but it is easy to cause wearing The breathing airflow of the wearer cannot smoothly pass through the mask, which makes the wearer's breathing difficult. Therefore, it is not suitable for general wearers to use for a long time. However, if the mask is made of low-density material with good air permeability, it can provide the wearer with smooth breathing, but it cannot effectively block the dust particles in the breathing airflow.

In view of this, how to provide a mask that can block dust particles in the breathing airflow and also allow the wearer to breathe smoothly to solve the above-mentioned technical problems.

In view of the above-mentioned shortcomings of the prior art, the present invention provides a mask that can add a liquid to provide filtering of a dust particle entrained by a wearer's breathing airflow, and includes: a mask body, the mask system is flexible Made of air-impermeable material, the mask system can be elastically deformed and attached to the face of the wearer; an attached airway structure that passes through and is combined with the mask body to provide the breathing air flow; and A hydrophilic foam body, the hydrophilic foam system is disposed on the attached air channel structure, the hydrophilic foam system has a breathable channel that extends through the body and bends, the breathing airflow can pass through the hydrophilic foam body through the breathable channel The body, and the breathing airflow flowing in the breathable channel will be guided by the bent and extended breathable channel and collide with the inner wall of the breathable channel; wherein, the hydrophilic foaming system can absorb the liquid and penetrate the liquid The dust particles entrained by the breathing airflow are adsorbed around the inner wall of the ventilation channel to achieve the effect of filtering the dust particles in the breathing airflow.

Optionally, for the aforementioned mask, there is also a breathable cover body, the breathable cover system is combined with the attached air passage structure to form a first storage space between the breathable cover body and the attached air passage structure, the The first storage space is used to store the hydrophilic foam.

Optionally, for the aforementioned mask, wherein the attached airway structure further includes an upper ring structure and a lower ring structure, the upper ring structure and the lower ring structure are buckled with each other, and clamped and combined with the In the mask body, the upper ring structure and the breathable cover system are buckled with each other to complete the combination of the breathable cover body and the attached airway structure.

Optionally, for the mask mentioned above, wherein the lower ring structure has a pushing mechanism that pushes the hydrophilic foam in a direction away from the face of the wearer to make the wearer The face is not easy to touch the hydrophilic foam.

In addition, the present invention also provides a mask, which can be added with a liquid to provide filtering of a dust particle entrained by a wearer's breathing airflow, and includes: a mask body, the mask system is made of elastic and airtight material The mask system can be elastically deformed and attached to the face of the wearer, wherein the mask body also has a mask body airway structure to provide the breathing air flow; and a hydrophilic foam body, the hydrophilic foam The system is provided on the mask body. The hydrophilic foaming system has a breathable channel that extends through the body and extends curvedly. The breathing airflow can pass through the body of the hydrophilic foam body through the breathable channel and flow through the breathable channel. The breathing air flow will be guided by the curved ventilation passage and collide with the inner wall of the ventilation passage; wherein, the hydrophilic foaming system can absorb the liquid and absorb the breath around the inner wall of the ventilation passage through the liquid The dust particles entrained in the airflow achieve the effect of filtering the dust particles in the respiratory airflow.

Optionally, for the aforementioned mask, wherein the mask system has an isolation portion, the isolation portion separates the wearer's face from the hydrophilic foam, and the isolation portion has at least one isolation portion The airway, the airway of the isolation portion provides the flow of breathing airflow.

Optionally, for the aforementioned mask, there is also a breathable cover body combined with the mask body to form a second storage space between the breathable cover body and the mask body, the second storage space is Used to house the hydrophilic foam.

Optionally, for the aforementioned mask, wherein the hydrophilic foaming system is added with a humidity sensing material, the humidity sensing material senses the water content of the water-containing inner wall, and displays the sensed result through color or pattern .

Optionally, for the aforementioned mask, wherein the hydrophilic foaming system is added with a dust particle sensing material, the dust particle sensing material senses the degree to which the water-containing inner wall adsorbs the dust particles, and transmits the color or pattern The sensed result is displayed.

Optionally, for the aforementioned mask, wherein the breathable cover further has an observation window to observe the state of the hydrophilic foam; the pore size of the breathable channel is between 300 μm and 800 μm.

In summary, the present invention provides a mask that can add liquid to filter dust particles. The mask is at least composed of a mask body, an air channel structure, and a hydrophilic foam. The hydrophilic foaming system is installed on the attached airway structure. After the hydrophilic foaming system can absorb the liquid, the absorbed liquid can absorb the dust particles in the respiratory airflow, and the dust particles in the respiratory airflow can be filtered to clean the respiratory airflow. Clean breathing environment to protect the wearer's health.

The mask body has elasticity that can be attached to the face of the wearer, and only retains the airway structure to circulate the breathing airflow, so that the breathing airflow of the wearer when inhaling can flow through the breathable channel of the hydrophilic foam body, in the case of almost no resistance Pass through the hydrophilic foam body and enter the air chamber inside the mask, so that the wearer can breathe smoothly and reduce discomfort and can be worn for a long time, thereby solving the problem that the use of conventional high-density masks will cause the wearer to breathe hard problem.

The following content will be combined with the drawings to illustrate the technical content of the present invention through specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied by other different specific embodiments. Various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the spirit of the present invention. In particular, the proportional relationships and relative positions of the various elements in the drawings are for exemplary purposes only, and do not represent the actual status of the implementation of the present invention.

For the mask of the present invention, the liquid added by the hydrophilic foam absorbs the dust particles, and then filters the dust particles entrained in the wearer's breathing airflow, and through the breathable passage through the body of the hydrophilic foam, The breathing airflow can travel under the condition of the attached airway structure with almost no resistance, so that the wearer can breathe smoothly and reduce discomfort, and solve the use of conventional high-density masks (that is, poorly breathable masks) will cause the wearer to breathe hard The problem is that the wearer can breathe smoothly and can use it for a long time.

For the technical disclosure of the present invention, please refer to FIGS. 2 to 10 in the drawings.

First embodiment:

Please refer to FIGS. 2 to 5 together. As shown in the drawings referred to in the left column, the mask 1 of the present embodiment can add liquid 132 and has a mask body 11, an attached airway structure 12, a hydrophilic foam 13 and a breathable cover体14. 14. The mask body 11 is bent to form an air chamber 16 in the mask. The air chamber 16 in the mask can directly face the wearer's mouth and nose to provide breathing. The mask body 11 can be made of an air-impermeable material, so as to prevent the dust particles 3 from directly passing through the mask body 11 and into the air chamber 16 of the mask, so as to prevent the dust particles 3 from being inhaled into the respiratory system of the wearer 2 and affecting the health . In addition, the mask body 11 can also be made of elastic materials such as elastic gel, so that the mask body 11 can be closely attached to the face of the wearer 2 through elastic deformation, so that the mask body 11 and the wearer 2 There is almost no gap between the faces that allows the dust particles 3 to pass through. In this way, the dust particles 3 can be effectively blocked to protect the wearer 2's respiratory system from inhaling the dust particles 3 and affecting their health.

Please refer to FIGS. 3 to 5 in particular. The attached airway structure 12 passes through and is combined with the mask body 11 to provide the flow of breathing air F. The upper ring structure 122 and the lower ring can be optionally connected to each other Structure 123. In this embodiment, the attached airway structure 12 passes through the mask body 11, and the mask body 11 is combined with the upper ring structure 122 and the lower ring structure 123 due to the clamping, because the mask body 11 itself is made of an airtight material It is made so that the breathing airflow F when the wearer 2 inhales will only flow from the outside through the gas flow channel 121 with the airway structure 12 attached, and through the mask body 11 into the air chamber 16 in the mask to provide the wearer 2 Inhalation, in addition, causes the wearer 2 to exhale the breathing airflow only through the gas flow path 121 with the airway structure 12 through the mask air chamber 16 through the mask body 11 to the outside world. Therefore, the airway is provided The structure 12 can provide a gas flow path 121 for the breathing air flow F, and the outside air can only exchange gas with the air chamber 16 in the mask through the attached airway structure 12 to provide the breathing air flow F to circulate.

In addition, the hydrophilic foam 13 is disposed on the attached airway structure 12 to absorb the liquid 132 to absorb the dust particles entrained by the respiratory air flow F, so the hydrophilic foam 13 that absorbs the liquid 132 can filter and flow through the gas flow The breathing air flow F of channel 121, and the hydrophilic foam 13 can be made of hydrophilic materials such as polyvinyl formal, as shown in FIGS. 9-1 and 9-2, the hydrophilic foam 13 has a through The air passage 131 constituted by a body and a curved (or meandering) extending structure, that is, the air passage 131 is an open curved air passage extending from one side of the hydrophilic foam body 13 to the other side, breathing The airflow F can be sucked through the body of the hydrophilic foam 13 via the ventilation channel 131, so that the respiratory airflow F can travel in the attached airway structure 12 with little resistance, more specifically, in the ventilation channel 131 The breathing airflow F flowing in the middle will be guided by the ventilating channel 131 extending in a curved manner, changing the flow direction and colliding with the inner wall of the ventilating channel 131. When the breathing air flow F collides with the inner wall of the ventilation channel 131, the liquid 132 absorbed by the hydrophilic foam 13 will surround the inner wall of the breathing channel 131 to adsorb the dust particles 3 entrained by the breathing air flow F to protect the breathing air flow F The breathing airflow F is filtered while flowing, so that the wearer 2 breathes clean gas, thereby providing the wearer 2 with a clean breathing environment, so as to achieve the effect of filtering the dust particles 3 in the breathing airflow F, and It will not allow the wearer to easily inhale dust particles during breathing and affect health.

Furthermore, as shown in FIG. 10, the pore size of the breathable channel 131 of the hydrophilic foam 13 in the mask of the present invention can be selected to be between 300 μm and 800 μm. In this way, the resistance of the respiratory airflow can be effectively reduced, that is, , So that the respiratory airflow easily flows from the outside through the ventilation channel 131 into the air chamber 16 in the mask, or that the respiratory airflow easily flows from the internal air chamber 16 through the ventilation channel 131 and leaves the air chamber 16 in the mask, so that the wearer 2 When wearing the mask of the present invention, breathing is smooth and discomfort is reduced, therefore, the willingness of the wearer 2 to wear for a long time is improved.

It can be seen from the cross-sectional view shown in FIG. 4 that the breathable cover 14 is combined with the attached air passage structure 12 to form a first storage space S1 between the breathable cover 14 and the attached air passage structure 12, and the first storage space S1 is For storing the hydrophilic foam 13, wherein the breathable cover 14 is used in conjunction with the upper ring structure 122 in the attached airway structure 12, the upper ring structure 122 and the breathable cover body 14 are buckled with each other to complete the breathable cover The combination of the body 14 and the attached airway structure 12, so that the breathable cover 14 can pass the respiratory air flow F to the hydrophilic foam 13 through its own breathability, and can also provide a shield to the hydrophilic foam 13 to avoid hydrophilic The foam 13 is exposed to the outside, and the exposed hydrophilic foam 13 affects the overall aesthetics of the mask. In addition, the breathable cover 14 can provide positioning for the hydrophilic foam 13 to prevent the hydrophilic foam 13 from leaving the attached airway structure 12. In addition, the air-permeable cover 14 can also provide protection to the hydrophilic foam 13 to avoid the hydrophilic foam 13 being affected by external forces.

Furthermore, the lower annular structure 123 with the airway structure 12 has a pushing mechanism 1231. In this embodiment, the pushing mechanism 1231 pushes the hydrophilic foam 13 in a direction away from the face of the wearer 2 so that When the hydrophilic foam 13 leaves the face of the wearer 2, the hydrophilic foam 13 is separated from the face of the wearer 2, so that there is an appropriate distance between the hydrophilic foam 13 and the face of the wearer 2, so , The face of the wearer 2 is not easy to contact the hydrophilic foam 13, and the wearer will not feel wet discomfort due to contact with the hydrophilic foam after absorbing the liquid, thereby improving the comfort of the wearer using the mask of the present invention Sex.

In summary, the mask of this embodiment can add liquid, and has a mask body, an airway structure and a hydrophilic foam. The mask body can be elastically deformed and attached to the face of the wearer, so as to avoid the respiratory airflow when the wearer inhales into the air chamber of the mask without passing through the airway structure. The hydrophilic foam system has a breathable channel that penetrates the body, allowing the breathing air flow to travel through the attached airway structure with almost no resistance, so that the wearer can breathe smoothly and reduce discomfort, while solving the problem of using conventional high-density masks. Causes wearer's breathing problems. The hydrophilic foaming system can absorb liquid, and the absorbed liquid absorbs dust particles in the respiratory airflow around the ventilation channel, thereby filtering the dust particles in the respiratory airflow to clean the respiratory airflow, providing a clean breathing environment for the wearer to protect the The health of the wearer is to solve the problem that the conventional low-density mask cannot effectively block the dust particles in the respiratory airflow.

Second embodiment:

Please refer to FIGS. 6 to 8-3 together. As shown in the drawings referred to in the left column, both the second embodiment and the first embodiment have a mask body 11 and a hydrophilic foam body 13, wherein the second embodiment and The biggest difference between the first embodiment is that the second embodiment omits the additional airway structure. In addition, in the second embodiment, the mask body 11 further has a partition 15 that separates the face of the wearer 2 from the hydrophilic foam 13 and the partition 15 can be selected as a waterproof material. The moisture of the hydrophilic foam 13 after absorbing water is not easy to penetrate the partition 15, and letting the partition 15 get wet makes the wearer 2 feel uncomfortable, that is, when the face of the wearer 2 touches the partition 15, The insulating portion 15 does not feel wet, and the wearer 2 feels comfortable.

Furthermore, the isolating portion 15 is provided with an isolating air passage 151, and accordingly, the mask body 11 is provided with a mask body air passage structure 111. The airway structure 151 of the isolation part and the airway structure 111 of the mask body can provide an airway for the wearer to breathe. However, the mask body 11 itself is made of an airtight material, so that the respiratory airflow F can only pass through the airway structure 111 of the mask body and the airway 151 of the isolation part. The air chamber 16 in the inlet and outlet masks, therefore, the breathing air flow F is provided through the airway structure 111 of the mask body and the airway 151 of the isolator. In detail, when the wearer 2 inhales, the breathing air flow F will be sequentially sent by the outside through the hydrophilic The bubble 13 and the airway 151 of the isolation part enter the air chamber 16 in the mask; when the wearer 2 exhales, the respiratory air flow F will be discharged from the air chamber 16 in the mask through the airway 151 of the isolation part and the hydrophilic foam 13 in sequence The outside world thereby provides the flow of breathing air flow F to provide the wearer 2 with breathing.

As can be seen from the cross-sectional views shown in FIGS. 8-1 to 8-2, the mask body 11 can be combined with the breathable cover 14 to form a second storage space S2 between the breathable cover 14 and the mask body 11 The second storage space S2 is used to store the hydrophilic foam 13 to prevent the hydrophilic foam 13 from leaving the mask body 11. The mask body 11 and the breathable cover 14 are fastened to each other to complete the combination of the mask body 11 and the breathable cover 14. In this way, the breathable cover 14 can also provide shielding to the hydrophilic foam 13 to avoid the hydrophilic foam 13 It is exposed to the outside world, and letting the exposed hydrophilic foam 13 affect the overall aesthetics of the mask.

As shown in FIG. 7, the breathable cover 14 is also provided with an observation window 141 for observing the state of the hydrophilic foam 13. The hydrophilic foam 13 can be added with a sensing material to reflect the usage state of the hydrophilic foam 13 for the wearer 2 to observe, so that the wearer 2 can immediately grasp the usage status of the hydrophilic foam 13. In detail, the hydrophilic foam 13 may be added with a humidity sensing material 133. The humidity sensing material 133 can sense the degree to which the hydrophilic foam 13 absorbs liquid. Optionally, the sensing result of the humidity sensing material 133 can be displayed by color or pattern, wherein the humidity sensing material 133 can The color change of the material added, such as cobalt chloride, is selected to observe the change in humidity to remind the wearer 2 the state of absorbing liquid of the hydrophilic foam 13 in the mask 1.

In order to remind the wearer 2 to add liquid when the hydrophilic foam 13 is excessively dried. In other words, the wearer 2 can observe the display result of the humidity sensing material 133 through the observation window 141 to avoid that the hydrophilic foam 13 is too dry and affects its filtering effect, thereby providing the wearer 2 to easily notice the mask In order to improve the alertness of the use condition of 1, the hydrophilic foam 13 is immediately replenished with liquid, and the hydrophilic foam 13 has enough liquid to adsorb the dust particles 3.

Furthermore, the hydrophilic foam 13 is further added with a dust particle sensing material 134. The dust particle sensing material 134 senses the degree to which the hydrophilic foam 13 adsorbs the dust particles 3, and optionally, the sensing result of the dust particle sensing material 134 can be presented by color or pattern to foam in the hydrophilic When the body 13 is excessively contaminated with dust particles 3, the wearer 2 is reminded to replace or clean the hydrophilic foam body 13. In other words, the wearer 2 can also observe the display result of the dust particle sensing material 134 through the observation window 141 to avoid the excessive adhesion of the dust particles 3 in the liquid of the hydrophilic foam 13 to affect the filtering effect, thereby allowing the wearer The wearer 2 easily notices the usage status of the mask 1 and immediately cleans or replaces the hydrophilic foam 13 with a new material, while avoiding that the hydrophilic foam 13 excessively contaminated by the dust particles 3 exists in the mask 1 to comply with hygiene.

In summary, the mask body of this embodiment is provided with a waterproof partition, which can provide a thickness to separate the wearer’s face from the wet (water-absorbing) hydrophilic foam without leaving the wearer’s face directly. In contact with the wet hydrophilic foam, it is not easy to feel the moisture from the hydrophilic foam and feel uncomfortable. The breathable cover body is also provided with an observation window, so that the wearer can easily observe the use state of the hydrophilic foam body, and can immediately replenish water and replace with new materials. Correspondingly, sensing materials can also be added to the hydrophilic foam body to It reflects the usage state of the hydrophilic foam for the wearer to observe, and allows the wearer to immediately grasp the usage status of the hydrophilic foam.

The above-mentioned embodiments are only illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone who is familiar with this technology can modify and change the above embodiments without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the rights of the present invention should be as listed in the patent application scope of the present invention.

1: mask 11: mask body 111: mask body airway structure 12: attached airway structure 121: gas flow channel 13: hydrophilic foam 131: breathable channel 132: liquid 133: humidity sensing material 134: dust particle sensing material 14 : Breathable cover 141: Observation window 15: Isolation part 16: Air chamber inside the mask 151: Isolation part air passage 122: Upper ring structure 123: Lower ring structure 1231: Pushing mechanism 2: Wearer 3: Dust particles 4 : Gap F: breathing airflow S1: first storage space S2: second storage space

FIG. 1 is a schematic view of the state of use of a conventional mask.

FIG. 2 is a perspective view of the first embodiment of the mask of the present invention.

FIG. 3 is an exploded view of the mask shown in FIG. 2.

FIG. 4 is a cross-sectional view taken along line A of the mask shown in FIG. 2.

FIG. 5 is a diagram showing the state of use of the mask shown in FIG. 2.

FIG. 6 is a perspective view of the second embodiment of the mask of the present invention.

FIG. 7 is a diagram showing the state of use of the mask shown in FIG. 6.

8-1 is a cross-sectional view of the first structural aspect of the mask shown in FIG. 6.

Fig. 8-2 is a cross-sectional view omitting the second structural aspect of the hydrophilic foam in the mask shown in Fig. 8-1.

8-3 is a cross-sectional view omitting the third structural aspect of the partition part and the breathable cover in the mask shown in FIG. 8-1.

Fig. 9-1 is a partially enlarged view of the hydrophilic foam in the mask of the present invention before use.

Fig. 9-2 is a partially enlarged view of the hydrophilic foam in the mask of the present invention after use.

Fig. 10 is a graph showing the normal distribution of the pore size of the hydrophilic foam of the mask of the present invention.

1: mask

11: Mask body

12: Attach airway structure

121: Gas flow path

122: upper ring structure

123: Lower ring structure

13: Hydrophilic foam

14: Breathable cover

16: Air chamber inside the mask

Claims (10)

A mask can add a liquid to provide filtering of a dust particle entrained by a wearer's breathing airflow, which includes: a mask body, the mask system is made of elastic and airtight material, and the mask system Elastically deformable and attached to the face of the wearer; an attached airway structure that passes through and is coupled to the mask body to provide the breathing air flow; and a hydrophilic foam body, the hydrophilic foam The system is arranged on the attached airway structure. The hydrophilic foaming system has a breathable channel that extends through the body and bends. The breathing airflow can pass through the body of the hydrophilic foam body through the breathable channel and flow in the breathable channel The breathing airflow is guided by the curved air passage and collides with the inner wall of the air passage; wherein, the hydrophilic foaming system can absorb the liquid, and absorb the liquid around the inner wall of the air passage through the liquid The dust particles entrained in the breathing airflow can achieve the effect of filtering the dust particles in the breathing airflow. The mask as described in item 1 of the patent application scope, further comprising a breathable cover body, the breathable cover system is combined with the attached air passage structure to form a first storage space between the breathable cover body and the attached air passage structure The first storage space is used to store the hydrophilic foam. The mask as described in item 2 of the patent application scope, wherein the attached airway structure further includes an upper ring structure and a lower ring structure, the upper ring structure and the lower ring structure are buckled to each other to hold Combined with the mask body, the upper ring structure and the breathable cover system are buckled with each other, thereby completing the combination of the breathable cover body and the attached air passage structure. The mask as described in item 1 of the patent application, wherein the lower ring structure has a pushing mechanism which pushes the hydrophilic foam in a direction away from the face of the wearer to make the mask fit The wearer's face does not easily contact the hydrophilic foam. A mask can add a liquid to provide filtering of a dust particle entrained by a breathing airflow of the wearer, which includes: a mask body, the mask system is made of elastic and airtight material, and the mask system It can be elastically deformed and attached to the face of the wearer, wherein the mask body further has a mask body airway structure to provide the breathing air flow; and a hydrophilic foam body, the hydrophilic foam system is disposed on the mask body The hydrophilic foam system has a breathable channel that extends through the body and bends, the breathing airflow can pass through the body of the hydrophilic foam body through the breathable channel, and the breathing airflow flowing in the breathable channel will be bent Guiding of the extended breathable channel while colliding with the inner wall of the breathable channel; wherein, the hydrophilic foaming system can absorb the liquid and permeate the dust entrained by the respiratory airflow around the inner wall of the breathable channel through the liquid Particles to achieve the effect of filtering out dust particles in the respiratory airflow. The mask as described in item 5 of the patent application scope, wherein the mask system has an isolating portion that separates the wearer's face from the hydrophilic foam, and the isolating portion has at least one The airway of the isolation part, which provides the breathing airflow. The mask as described in item 5 of the patent application scope, further comprising a breathable cover body, which is combined with the mask body to form a second storage space between the breathable cover body and the mask body, the second storage The space is used to house the hydrophilic foam. The mask as described in item 1 or 5 of the patent application scope, wherein the hydrophilic foaming system is added with a humidity sensing material, which senses the water content of the water-containing inner wall and is displayed by color or pattern The sensed result. The mask as described in item 1 or 5 of the patent application scope, wherein the hydrophilic foam system is added with a dust particle sensing material, the dust particle sensing material senses the degree to which the water-containing inner wall adsorbs the dust particles, and Display the sensed result through color or pattern. The mask as described in item 2 or 7 of the patent application range, wherein the breathable cover further has an observation window to observe the state of the hydrophilic foam; the pore size of the breathable channel is between 300 μm and 800 μm.

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