KR100641710B1 - A mask with various functions - Google Patents

Abstract

The present invention has a light weight and bulky structure that is convenient for the general public to carry out when needed and can be simply worn by the user. The present invention relates to a multifunctional mask having a purifying filter for decomposing and removing dust. More specifically, the present invention uses a PI (Polyimide) film, which is a transparent thermosetting resin that is insoluble in fire, to design and manufacture a hood in a convenient shape of a size that can be easily worn by general users, and the hood An air suction valve and a catalyst filter for air purification are installed on one side of the air to remove and purify the toxic gas and dust generated during a fire, and exhaust air is discharged between the air inlet and the hood. Valve is installed, and the inside of the hood and the exhaust valve is installed in the structure attached to the front sealing structure made of silicone or soft rubber material to seal the toxic gas and dust from entering the user's nose and mouth attached The top of the hood has a half with a certain size and color for easy identification in the dark. Tape is attached and the lower part of the hood is a small and lightweight multifunctional mask with a strap that can be sucked in various kinds of harmful gases and dusts so as not to touch the face directly. Its feature is that it can be easily worn in places where the concentration of gas is relatively high or in places where spraying of toxic gas is suspected.

Multifunctional mask, filter for toxic gas and dust purification.

Description

A mask with various functions}

1: Overall configuration of the multifunctional mask according to the present invention

2 is a structure having a toxic gas and smoke purification filter, an intake valve and an exhaust valve according to the present invention and attached to the front of the hood

Figure 3 (a): front view of the filter structure attached to the LED (LED) and the sound generating means according to the present invention

Figure 3 (b): cross-sectional view from above of the multifunctional mask according to the present invention

<Explanation of symbols for the main parts of the drawings>

1: mask hood 2: adhesive part

3: Reflective tape 4: Structure with built-in catalyst and filter for air purification

5: adjusting strap 6: structure to seal nose and mouth

7: strap for tightly fixing the structure 6 to the front surface

8: Structure with built-in air purification catalyst and filter

9: non-woven filter for dust removal

10: Filter with moisture removal catalyst

11: Filter with toxic gas decomposition catalyst

12: Dust removal nonwoven filter with electrostatic function

14: structure installed exhaust valve

15: Structure with male thread at the end of the exhaust valve

16: Structure with female thread attached to structure for sealing nose and mouth (in combination with 15)

17: LED

18: Speaker 19: Space to free the suction of air

20: Intake valve to facilitate intake of air

21: whistle 22: exhaust valve for exhausting air

23: String fastening structure formed on the structure containing the air filter catalyst filter

The present invention is lightweight and not bulky, so that the general public can easily carry it when needed and can be easily worn by a structure that does not melt at high temperatures on the outside and is convenient for the user to wear. A purifying filter for disassembling and purifying and an air intake valve are attached and installed, and an exhaust valve for discharging the sucked air is installed between the air intake port and the hood, and is located inside the hood and attached to a structure in which the exhaust valve is installed. Or, it is made of soft rubber material, and a structure is installed to seal the toxic gas and dust from entering the user's nose and mouth, and various kinds of harmful gas or dust are sucked in the lower part of the hood so that it does not directly touch the face. It relates to a multifunctional mask having a string that can be.

Conventionally, carbon monoxide (CO), sulfurous acid gas (SO ₂ ), and hydrogen chloride gas (HCl) generated in a fire are enough to remove dust by using activated carbon inside the nonwoven fabric or to remove dust, and to change the fire. ), It does not have a means to decompose hydrogen cyanide gas (HCN), or to effectively decompose and remove various kinds of harmful gases in the general atmosphere and toxic gases generated in industrial sites. Not only do not efficiently remove the gas and dust of the kind, but also there is a problem that the flow of air is not free, resulting in difficulty in breathing.

In addition, conventionally, there is no separate structure for enclosing the toxic gas and dust into the user's nose and mouth so that no toxic gas or dust is introduced into the hood, which causes problems in reliability and stability. It was pointed out that the problem of not being able to wear it for a long time due to lack of oxygen and difficulty in breathing due to the disturbance of the air flow because it is not configured to easily discharge the air sucked into the structure.

In addition, conventionally, as a tool that can simultaneously handle harmful gases and dust, it is relatively bulky and heavy, such as gas masks, which makes it easy for general users to carry around, and the price is relatively high, so the economic burden is high, so users can easily purchase it. There are problems such as being difficult to do.

The technical problem to be achieved by the present invention is to recognize the problems of the prior art as described above, to a size that can be easily worn by the general user as a transparent film of PI (Polyimide) series, which is a relatively strong thermosetting resin to heat Design and manufacture a hood (Hood) in a size and shape convenient to wear in a rectangular or emergency, and one side of the hood is a catalyst for air purification of a suitable size to decompose and purify the toxic gas generated in the fire, harmful gases or dust in the air, etc. It is combined with a structure with an exhaust valve for discharging the air sucked into the structure in which the filter is built, and located on the outside of the hood, the end of the structure with the exhaust valve for discharging air is made of harmless silicone or soft rubber material. To prevent toxic gases or dust from entering your nose and mouth. A structure for the disposal is installed, and a reflective tape having a certain size and color is attached to the top of the hood for easy identification in the dark, and various types of harmful gases or dust are inhaled on the lower part of the hood. Its purpose is to provide a multifunctional mask that has a strap that can be pulled out of direct contact and is designed to be folded in a small size and light weight.

Another object of the present invention is a reflective tape of a certain size is attached to the upper surface of the air filter catalyst filter is attached, the exhaust valve is located inside the hood to deliver the sound to the other side is attached to the exhaust valve At the end of the structure, there is a small whistle attached, and if necessary, it turns on the LED to emit light, or if it is equipped with a sound generator and operates it when necessary, it informs the presence and danger of a person to prevent or reduce the accident. have.

Another object of the present invention is to install a relatively large exhaust valve to ensure a free space between the structure and the hood with a built-in filter for air purification to facilitate the discharge of air when the air is discharged, and during normal and air intake Since the valve is closed, it is designed to prevent harmful gas and dust from entering, so that the user can wear it for a long time by breathing more freely.

Another object of the present invention is that when the mask is folded, its size is small and light, it is not inconvenient to carry it all the time and generates light and sound in a place where light and sound are needed, and the means for producing light and sound does not work. Equipped with various functions such as light and sound generated by using a reflective tape and whistle, the production cost is low, so that users can easily purchase it, thereby greatly reducing the economic burden.

The present invention is not bulky, convenient for the general public to carry it out as needed, and can be easily worn by a structure that does not melt outside at a high temperature without the transparent hood and various types of harmful to human body The present invention relates to a multifunctional mask incorporating a purification filter for decomposing, removing and purifying toxic gas and dust.

Conventionally, carbon monoxide (CO), sulfurous acid gas (SO ₂ ), and hydrogen chloride gas (HCl), which are frequently generated in a fire, are embedded in the nonwoven fabric or the nonwoven fabric is used to remove dust or change in fire. Removes hydrogen cyanide gas (HCN), removes various types of harmful gases (such as ozone, carbon dioxide, and sulfurous acid gas) and fine dust present in the general atmosphere, or efficiently decomposes toxic gases generated in industrial sites. There is a problem in that it is not provided with a means for removing the efficient removal of them, and also conventionally there is no separate structure for sealing the toxic gas and dust so that the user's nose and mouth does not flow into the toxic gas or dust There is a problem in reliability and stability due to a slight inflow inside the hood, Since there is no means for easily discharging the air sucked from the structure of the purifying filter, there is a problem such that it can not be worn for a long time due to lack of oxygen and difficulty in breathing due to air flow obstruction.

The present invention focuses on solving the above problems of the prior art. It looks at the drawings to facilitate understanding of the present invention. 1 is an overall configuration diagram of a multifunctional mask according to the present invention, Figure 2 shows a structure having a toxic gas and smoke purification filter, an intake valve and an exhaust valve according to the present invention and attached to the front of the hood. Figure 3 (a) is a front view of the filter structure is attached to the LED (LED) and the sound generating means according to the present invention, Figure 3 (b) shows a cross-sectional view from above the multifunctional mask according to the present invention.

Looking at the constituent means of the present invention in more detail, the transparent hood (1, Hood) surrounding the entire face is a transparent film of PI (Polyimide) series of thermosetting resins insoluble in the fire while being easy to store and convenient for general users It is designed and manufactured in size and shape that can easily decompose various kinds of gas and dust harmful to human body. One side of the hood where the nose and mouth are located when the user wears the hood has a toxic gas decomposition catalyst and a dust removal filter that decomposes and purifies toxic gas generated in a fire, harmful gases and dust generated in the air or industrial sites. The structure 14 of the predetermined size and the built-in predetermined size and the structure (8) in which the toxic gas decomposition catalyst and the filter for removing dust is tightly fastened and the structure (14) provided with an exhaust valve for easily discharging the sucked air is adhesive It can be used by tightly attaching or by attaching the fastening structure 15 attached to the installation if necessary. The fastening structure 15 tightly fastens a round structure 16 having a predetermined size with a female thread formed at a position where the exhaust valve 14 of the hood 1 is installed, and easily discharges the sucked air. To form a somewhat protruding structure on the end portion 15 of the structure 14, the exhaust valve is installed to form a male screw on the outside is made of a structure that can be used combined if necessary. The structure in which the structure containing the filter for removing dust and harmful gas and the structure 14 provided with an exhaust valve for easily discharging the sucked air decompose various kinds of harmful gases and purify the dust. At the same time, the flow of purified air is good, allowing users to breathe as freely as possible. Inside the structure with the filter for removing dust is designed and manufactured with a harmless silicon or soft rubber material harmless to the human body is attached to the front sealing structure (6) for sealing to prevent harmful gas and dust from entering the user's nose and mouth. Is done. The left and right sides of the structure in which the toxic gas decomposition catalyst and the filter for removing the dust are built are attached to the front sealing structure around the nose and the mouth so that the strap 7 is installed to prevent the inflow of harmful gas and dust to the maximum. The strap 7 is connected to the rear portion of the head to the outside of the hood is made of a structure that is fixed to the coupling or fixed from the back of the head. The structure 14 is provided with an exhaust valve for easily discharging the sucked air is an air intake valve of a predetermined size in the center portion that is engaged with the structure containing the toxic gas decomposition catalyst and the filter for removing dust and air on the left and right sides A predetermined size exhaust valve is attached to facilitate the discharge. The toxic gas decomposition catalyst and the filter for removing the harmful gas and dust located inside the structure containing the filter for removing dust are all designed through the four stages of purifying filter so that the air is introduced into the various types. Its role is to decompose and filter all harmful gases, dust, smoke and fine dust. The configuration of the four stages of the air filter catalyst filter (Fig. 2) is provided with a nonwoven filter for filtering dust having a relatively large diameter in order to first remove the relatively large dust in the first step in contact with the outside air (9). In the second step, the next step is a built-in dehumidifying catalyst for removing moisture in the air (10), the next step is a built-in catalyst for removing toxic gases that decompose the third step toxic gas is located (11) In the fourth step, which is the last step, a nonwoven filter provided with an electrostatic function is positioned to remove dust once more efficiently (12). The catalyst for removing the toxic gas is made of granules having a small diameter as a material containing various kinds of metal oxides depending on the type of gas, and then packaged in a non-woven fabric or a plastic structure free of air flow and embedded in a filter. The material of the nonwoven fabric used in the present invention is made of synthetic resin series such as polyester, polypropylene and acrylic resin. The structure in which the filter for dust and harmful gas removal is embedded and the structure in which the exhaust valve for easily discharging the inhaled air are installed are made of a structure that is tightly coupled to each other and is made of a light-weight and easy-to-fabric material. . The intake valve is located in the central portion where the structure in which the filter for dust and noxious gas removal is built and the structure in which the exhaust valve is installed are coupled to each other, and the valve 20 is opened when the user inhales air. It is designed to remain closed in normal or air discharge. The exhaust valve forms a structure having a separate space in order to minimize the resistance of the air when the air is discharged to free the discharge of air, and install an exhaust valve of a predetermined size on the left and right sides of the structure. The structure is configured to open the valve 20 when the users discharge the air, and to maintain the closed state during normal or air intake to prevent the harmful gas or dust from entering the outside. The exhaust valve may be installed on the left and right sides of the structure in which the exhaust valve is installed in consideration of the resistance of the air when the air is exhausted, or may be installed on both the left and right sides. In the front part of the front sealing structure 6 inside the hood, there is a small whistle 21 fixed to a string of a predetermined length or □□ there is a person □□ □□ Small sound generating means can be attached and used to generate sound in the dark or when necessary to inform the presence or danger of a person. At the top of the hood, a colored reflective tape (3) can be attached in a certain width and length to easily recognize the presence of a person in the dark, or a power supply (with a built-in small battery) and a switch can be installed if necessary. Alternatively, at least one light emitting means (light emitting diode, etc.) capable of illuminating the light at a necessary place may be attached to at least one external structure of the filter to easily recognize each other, to inform a danger, or to request a structure. The lower part of the hood is inserted with a fibrous string 5 to prevent external toxic gases and dust from entering the larynx after wearing. Both ends of the string are stretched out to allow sufficient length to come out so that the user can pull and tighten as needed to prevent the introduction of various gases and dust harmful to the human body into the larynx.

EXAMPLES

The filter used for the mask designed and manufactured according to the present invention was commissioned by the Korea Institute of Construction Technology in accordance with the FI certification standard test criteria, and as a result, the catalytic filter for air purification attached to the mask of the present invention. In the case of carbon monoxide (CO), sulfur dioxide (SO ₂ ), hydrogen chloride gas (HCl), hydrogen cyanide gas (HCN), the following test results were shown. In the case of carbon monoxide gas (CO), when the test was carried out at a flow rate of 30 liters per minute at a standard gas concentration of 2498 ppm, the differential pressure was maintained at 0 ppm until 49 seconds under 46 mmH ₂ O, and then 305 ppm at 226 seconds. At 276 seconds, the detoxification capacity was 396ppm, which was more than 86%. In the case of sulfur dioxide (SO ₂ ), when the flow rate was injected at 30 liters per minute at a standard gas concentration of 198 ppm, the sulfite gas concentration was 0 ppm for 923 seconds under a differential pressure of 32 mmH ₂ O. It showed excellent gas removal capability. In the case of hydrogen chloride gas (HCl), when the flow rate was injected at 30 liters per minute at 1061 ppm, the differential pressure was 30 mmH ₂ O or less, and the concentration of hydrogen chloride gas was 0 ppm for 936 seconds. In the case of hydrogen cyanide gas (HCN), when the flow rate was injected at 30 liters per minute at a standard gas concentration of 295 ppm, the differential pressure was 0 ppm for 906 seconds under 30 mmH ₂ O. It showed that the removal ability of was quite good. The detoxification ability of carbon monoxide, sulfur dioxide, hydrogen chloride gas, and hydrogen cyanide gas of this multifunctional mask is a result that satisfies the safety standards of the FI certification standard of the Fire Protection Corporation. Able to know.

The present invention design and manufacture a hood (Hood) in a size and shape that is convenient to wear a transparent film of PI (Polyimide) series, a thermosetting resin that is relatively resistant to heat, and efficiently prevent harmful gases and dust, and one side of the hood. It is equipped with air filter catalyst filter of proper size to decompose and purify toxic gas, change, harmful gas or dust in the air, and inside of air filter catalyst filter is made of harmless silicone or soft rubber material. A structure is installed to seal the toxic gas or dust from entering the nose and mouth of the body. A multifunctional mask is provided at the lower part of the hood with a strap that can inhale various toxic gases or dusts and prevent it from directly touching the face. Designed and manufactured in small size and light weight, you can always carry it with you. By making it possible to wear it has the effect of minimizing the damage to life due to toxic gases or dust.

Another effect of the present invention is a reflective tape of a certain size is attached to the upper surface of the air filter catalyst filter is attached, the inside of the structure is attached to the exhaust valve with a small whistle to discharge the air to deliver the sound to the other party It is attached, and if necessary to turn on the power to emit an LED (LED) or to have a sound generator and operate it to inform the presence and danger of people to prevent accidents in advance.

Another effect of the present invention is to provide a clearance between the structure and the hood of the air purification filter to install a relatively large exhaust valve installed on the side of the edge of the air purification filter to open the valve easily when the air is discharged, In normal and air intake, the valve is closed so that no harmful gas and dust are introduced, so that oxygen supply and breathing are made easier for the user to wear for a long time.

Another effect of the present invention is that the size is small and light, it is not inconvenient to carry at all times and generates light and sound in a place where light and sound are needed, and when the means for producing light and sound does not work, It is equipped with various functions such as generating light and sound, and the production cost is low so that users can use it conveniently and greatly reduce the economic burden of purchasing.

Claims (5)

In the mask having various functions while decomposing, filtering and treating various kinds of gases and dust harmful to the human body, It is composed of a transparent film of thermosetting resin which is insoluble in fire, and is designed and manufactured in a size and shape that can be easily worn, A structure attached to one side of the hood and provided with an exhaust valve to facilitate the discharge of air; And a structure in which the exhaust valve is tightly coupled to the structure, and at the same time, a structure including a harmful gas decomposition catalyst and a dust removal filter for decomposing and filtering harmful gases and dusts for the human body, and a catalyst for removing moisture to remove moisture; Located inside the hood and installed in close contact with the structure inside the exhaust valve is installed in the front sealing structure made of silicon or soft rubber material to prevent harmful gas and dust into the user's nose and mouth, A strap for fastening and fixing the front sealing structure to the face by fastening and fixing to both sides of the structure including the filter for removing the harmful gas and dust, The lower end of the hood is a multifunctional mask having a strap for adjusting to prevent the harmful gas and dust harmful to the human body to enter the face. The method according to claim 1, The structure containing the harmful gas decomposition catalyst, the filter for removing dust and the catalyst for removing moisture at the same time has a non-woven fabric which removes large particles of dust in order to efficiently remove harmful gases, dust and moisture, and adsorbs moisture. Multifunctional mask consisting of a moisture removal catalyst to remove, a harmful gas decomposition catalyst to decompose and remove harmful gas, and an electrostatically treated fine dust removal nonwoven fabric to effectively remove dust. The method according to claim 1 or 2, In the structure in which the exhaust valve is installed, the exhaust valve is installed on the left and right sides or the left and right upper and lower sides to maintain a closed state during normal or air intake, and to provide a valve for freely discharging the sucked air during air discharge. Functional mask. The method according to claim 3, The hood is a multi-functional mask further comprises a light emitting means for generating light by a built-in small battery attached to the top or a reflective tape for generating light in the dark. The method according to claim 4, The inside of the hood is a multifunctional mask having a sound generating means by a built-in small battery or a whistle that can generate a sound when needed.

Images