JP2006289093A - Multi-functional mask - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a multi-functional mask which is light weight and small in volume being easy to carry for the usual people, with built-in purification filter which can decompose and eliminate various harmful gas and fine dust which are harmful to the human body. <P>SOLUTION: The multi-functional mask comprises a hood 1 comprising transparent films of thermosetting resin base, a structure 14 with an exhaust valve 22 attached to one face of the hood 1, a gas decomposing filter 11 and dust removing filters 9 and 12 closely connected with the structure 14, a structure 8 for air intake built-in with a dehumidifying filter 10, a structure 6 for sealing a front face composed of a silicone or a soft rubber material, a string adjusting member 7 for inserting a string 7 and adjusting for closely fixing the structure 6 for sealing the front face to a user's front face, and an adjusting string 5 for preventing various harmful gas and fine dust from coming in. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention is a mask having a structure that is lightweight and does not have a large volume and is easy to be carried by the general public, and can be taken out and worn easily when necessary. A transparent hood having a size that is easy for a user to wear, and a hood having a purification filter for decomposing and purifying harmful gas and dust and an air suction valve; and the air suction valve and the hood An exhaust valve that exhausts the sucked air is installed between the hood and the hood. The exhaust hood is installed in close contact with the structure on which the exhaust valve is installed, and is made of silicon or a soft rubber material. There is a structure for sealing so that it does not flow into the body through the user's nose and mouth, and various harmful gases or dusts are sucked into the lower part of the hood and directly touch the face. Capable of tightening the odd string to a multi-functional masks provided.

Conventional masks contain activated carbon in a non-woven fabric or remove dust using a non-woven fabric to remove soot and the like that are generated in the event of a fire. Carbon monoxide that is generated in large quantities in the event of a fire Efficiently decomposes (CO), sulfurous acid gas (SO ₂ ), hydrogen chloride gas (HCl), hydrogen cyanide gas (HCN), etc., or various harmful gases present in the general atmosphere and toxic gases generated from industrial sites There was no means for well decomposing and removing, and various gases and dusts in the atmosphere harmful to the human body could not be removed efficiently. In addition, there are problems such as incompatibility of air flow and difficulty in breathing.

  Further, the conventional mask is not provided with a separate structure for sealing the toxic gas and dust from flowing into the body through the user's nose and mouth, and the toxic gas or dust is not inside the hood. There was a problem in reliability and stability with respect to sealing performance. In addition, the conventional mask is not configured to easily discharge the air sucked into the structure of the air purification filter, so that it cannot be worn for a long time due to insufficient oxygen and difficulty in breathing due to air flow obstruction. Has been pointed out as a problem.

  Conventionally, as a tool capable of simultaneously processing gas and dust harmful to the human body, there has been a relatively large and heavy gas mask. However, this type of gas mask is inconvenient for general users to carry around at all times, and the price is relatively high and the economic burden is large, so it is difficult for users to purchase easily. there were.

  Therefore, the present invention has been made in view of such problems, and its purpose is that a general user can easily use a PI (polyimide) -based transparent film which is a thermosetting resin relatively resistant to heat. The hood is designed and manufactured to a size that can be worn and rectangular or easy to wear in an emergency. On one side of the hood, toxic gas generated in the event of a fire or harmful gas in the atmosphere An exhaust structure with an exhaust valve that discharges inhaled air is combined with an intake structure that has an air purification catalyst filter of a size suitable for the decomposition and purification of dust. Outside the hood, it is installed in close contact with the end of the exhaust structure, made of silicon or soft rubber material that is harmless to the human body, and no toxic gas or dust flows into the body through the user's nose and mouth like A front sealing structure for closing is arranged, and a reflective tape having a predetermined size and hue is attached to the upper end of the hood so that it can be easily identified in the dark, and the lower part of the hood is Necessary while carrying around by designing and manufacturing a string that can be tightened so that various gases or dusts that are harmful to the human body are inhaled and do not touch the face directly, and can be folded in small size and light weight An object of the present invention is to provide a multifunctional mask that can be taken out and worn easily.

  Another object of the present invention is to attach a reflective tape of a predetermined size to the upper end of the surface on which the air purification catalyst filter is attached, so that sound can be transmitted to the other end of the exhaust structure. A small caller is attached to the unit, and when necessary, the power switch is turned on to make the LED emit light, or it is equipped with a sound generator and activated when necessary to detect the presence and danger of human beings. To prevent or reduce accidents.

  Another object of the present invention is to install a relatively large exhaust valve with a sufficient space between the hood and a structure having a built-in filter for air purification, and easily discharge air when discharging air. The valve is opened to ensure that the valve is closed during normal times and when inhaling air, so that harmful gases and dust do not flow in, making breathing more free and allowing the user to wear it for a long time. There is.

  Another object of the present invention is to reduce the size and weight when the mask is folded, so that it is not inconvenient for the user to always carry it, and generates light and sound where light and sound are required. When the means for producing sound does not work, it is possible to keep the production cost low while providing various functions such as generating light and sound using reflective tape and callers. It is to make it easy to purchase and to greatly reduce the user's economic burden.

  In order to solve the above-mentioned problems, the present invention is a mask having a structure that is easy to carry by the general public because the volume is not relatively large, and can be taken out and worn easily when necessary. A transparent hood with a size and shape that does not melt at high temperatures and can be easily worn by the user is provided, and various toxic gases and dusts harmful to the human body are decomposed and removed for purification. Provided is a multifunctional mask with a built-in cleaning filter.

  The present invention uses a PI (polyimide) -based transparent film, which is a thermosetting resin that is relatively resistant to heat, and has a size and shape that is easy to wear and can efficiently prevent harmful gases and dust. An air purification catalyst filter of a size suitable for the decomposition and purification of toxic gases, smoke, harmful gases in the atmosphere or dust generated in the event of a fire is attached to one side of the hood. The purification catalyst filter is made of silicon or soft rubber material that is harmless to the human body, and is equipped with a structure for sealing so that toxic gas or dust does not flow into the body through the nose and mouth of the user. Designed and manufactured in a small and lightweight multi-functional mask with a strap that can be tightened so that various toxic gases or dusts are inhaled and do not touch the face directly. By making it possible to easily wear is taken out when needed while always carry, there is a function and effect of minimizing the names damage by toxic gases or dust.

  According to another effect of the present invention, a reflective tape of a predetermined size is attached to the upper end of the surface on which the air purification catalyst filter is attached, and a sound is sent to the other party inside the structure with the exhaust valve that discharges air. A small caller is attached so that the presence of a person can be detected by turning on the power and turning on the LED when necessary, or by providing a sound generator and operating them. Can inform the danger and prevent the accident.

  According to another effect of the present invention, a relatively large exhaust valve is installed on the side surface of the edge of the air purification filter while ensuring a marginal space between the structure of the air purification filter and the hood. The valve is opened to facilitate air discharge during air discharge, and the valve is closed during normal and air inhalation to prevent harmful gases and dust from entering. As a result, the user can wear the multifunctional mask for a long time by making oxygen supply and breathing easier.

  According to another effect of the present invention, since the multifunctional mask is small and light in size, there is no inconvenience even when it is always carried, and light and sound are generated where light and sound are required. When the means for emitting light and sound does not work, it is convenient for the user because the production cost is low while providing various functions such as generating light and sound using a reflective tape and a caller. The economic burden of purchasing can be greatly reduced.

  The present invention has been made with a focus on solving the above-mentioned conventional problems. The drawings for facilitating understanding of the present invention will be described. FIG. 1 is a front view showing the overall configuration of a multifunction mask according to the present invention, and FIG. 2 is a cross-sectional view of the intake structure and the exhaust structure according to the present invention as viewed from above. FIG. 3 is a front view of an intake structure provided with an LED and sound generating means according to the present invention, FIG. 4 is a cross-sectional view of the multifunctional mask according to the present invention as viewed from above, and FIG. 5 is a string according to the present invention. It is a front view which shows the member for adjustment.

  Considering the configuration means of the present invention more specifically, the transparent hood 1 that covers the entire face is composed of a PI (polyimide) -based transparent film, which is a thermosetting resin that does not melt even with fire. It is designed and manufactured in a size and shape that is easy to store for the user, is easy to wear, and can easily decompose various gases and dusts harmful to the human body.

  On one side of the hood 1 where the nose and mouth are located when the user wears the hood 1, the toxic gas generated in the event of a fire, the harmful gas and dust generated in the atmosphere or generated from the industrial site are decomposed. A toxic gas decomposition catalyst agent to be purified and an intake structure 8 having a predetermined size with a dust removal filter built therein, and an intake structure 8 in close contact with the intake structure 8 for easily discharging the sucked air The exhaust structure 14 to which the exhaust valve 22 is attached is attached in close contact using an adhesive.

  The exhaust structure 14 is provided with a male screw structure 15, which can be fastened and used when necessary. The male screw structure 15 located at the end of the exhaust structure 14 is provided with a female screw so as to protrude from the exhaust structure 14. Corresponding to this, the female screw structure 16 is formed in a circular shape of a predetermined size. The female screw structure 16 has a structure that can be used by being tightly fastened to the male screw structure 15 when necessary.

  The intake / exhaust structure 4 in which the intake structure 8 and the exhaust structure 14 are tightly coupled to each other decomposes various gases harmful to the human body to remove dust, and at the same time provides a good flow of purified air. To make the user's breathing easier. The inhalation structure 8 is designed and manufactured with silicon or soft rubber material that is harmless to the human body, and is used for front sealing to seal harmful gas and dust from flowing into the body through the user's nose and mouth. A structure 6 is attached.

  A string 23 is inserted and fixed to a string adjusting member 7 that is inserted and fixed to the intake structure 8 and that prevents the inflow of harmful gas and dust to the maximum by bringing the front sealing structure 6 into close contact. . The string adjusting member 7 is provided with a string inserting groove 24 on both sides so that the string 23 can be inserted and adjusted with a desired strength. The string 23 is inserted and fastened from the outside to the inside of the string insertion groove 24 provided on both sides of the string adjusting member 7, and the string 23 inserted into the string insertion groove 24 rotates around the outer periphery of the hood 1. When the user pulls the string 23 inserted through the back of the head of the user, the front sealing structure 6 is brought into close contact.

  In the exhaust structure 14, an intake valve 20 having a predetermined size for sucking air is located in a central portion fastened to the intake structure 8, and a predetermined size for facilitating air discharge on both the left and right sides thereof. A large exhaust valve 22 is attached. The air purification catalyst filter for removing harmful gases and dusts arranged inside the intake structure 8 is designed so that air flows into the interior through a total of four stages of purification filters. It is responsible for decomposing and filtering all gases, dust, smoke and fine dust.

  According to the structure of the catalyst filter for air purification comprising four stages (FIG. 2), the first nonwoven fabric that filters dust with relatively large particles for the first removal as the first stage in contact with the external air. A filter 9 is installed, and in order to remove moisture in the air as a second stage, which is the next stage, a dehumidifying filter 10 containing a dehumidifying catalyst agent is located, and a third stage, which is the next stage. In order to decompose toxic gas as a stage, a gas decomposition filter 11 containing a catalyst agent for removing toxic gas is located, and in order to more efficiently remove dust as the fourth stage, which is the final stage, The second nonwoven fabric filter 12 provided with an electrostatic function is located.

  The catalyst agent for removing toxic gas is a substance containing various kinds of metal oxides depending on the kind of gas, and is manufactured in a small particle size and packaged by a nonwoven fabric or a plastic structure 19 that allows free flow of air. Built in the filter. The material of the nonwoven fabric used in the present invention is a synthetic resin system such as polyester, polypropylene and acrylic resin.

  The intake structure 8 and the exhaust structure 14 are made of a plastic material that is lightly and easily manufactured. The intake valve 20 is located at a central portion where the intake structure 8 and the exhaust structure 14 are coupled to each other, and the intake valve 20 opens when the user inhales air. Is designed to remain closed. The exhaust structure 14 is formed in order to minimize the resistance of the air during air discharge and to freely discharge the air, and has a separate space.

  The exhaust valves 22 are installed in a predetermined size on both the left and right sides of the exhaust structure 14. The structure is designed so that the valve opens when the user exhausts air, and keeps the valve closed during normal or air inhalation, allowing external harmful gases or dust to enter. The configuration can be prevented. The exhaust valves 22 may be installed on both the left and right sides of the exhaust structure 14 in consideration of the resistance of air when exhausting, or may be installed on all of the left, right, and upper sides.

  At the front of the front sealing structure 6 inside the hood 1, a small caller 21 fixed to a cord 23 of a predetermined length, or a desired sound such as “There is a person here” or “Help” is generated. It can be used to generate sounds such as the presence or danger of human presence in the dark or when necessary by attaching a small speaker (sound generator) 18 that can be used Can do.

  A reflective tape 3 having a hue is adhered to the upper end of the hood 1 with a predetermined width and length so that the presence of a person can be easily recognized in the dark, or a power source (a normal small battery or the like is incorporated) And at least one light-emitting means (such as LED 17) that has a built-in switch and can generate light when or where needed, is mounted on the plastic structure 19 outside the filter. . They are used as a means to easily recognize each other, or to inform the danger or request a rescue.

  A fiber-based adjustment string 5 is inserted in the lower portion of the hood 1 in order to prevent external toxic gas and dust from flowing into the hood 1 after wearing. Both ends of the adjustment cord 5 are extended to the outside in a widened state, and when the user needs them, they are pulled and tightened to release various gases and dusts that are harmful to the human body. Inflow into the hood 1 can be prevented.

When the filter used for the mask designed and manufactured according to the present invention was requested to the Korea Institute of Construction Technology for the hazardous gas decontamination performance test based on the FI certification standard test standards of the Fire Service Authority, In the case of an air purification catalyst filter (gas decomposition filter 11) attached to a mask, for example, in the case of carbon monoxide (CO), sulfurous acid gas (SO ₂ ), hydrogen chloride gas (HCl), hydrogen cyanide gas (HCN), etc. The following test results were shown.

In the case of carbon monoxide gas (CO), when the test was conducted with a standard gas concentration of 2498 ppm and an injection flow rate of 30 L / min, the differential pressure was 46 mmH ₂ O or less, and 0 ppm was maintained until 49 seconds. It showed 305 ppm at 226 seconds and 396 ppm at 276 seconds, and the detoxification performance was 86% or more.

In the case of sulfurous acid gas (SO ₂ ), when the test was conducted with a standard gas concentration of 198 ppm and an injection flow rate of 30 L / min, the differential pressure was 32 mmH ₂ O or less, and the concentration of sulfurous acid gas was 0 ppm for 923 seconds. It showed that the removal capacity of sulfurous acid gas was very high.

In the case of hydrogen chloride gas (HCl), when the test was conducted at 1061 ppm and the injection flow rate was 30 L / min, the differential pressure was 30 mmH ₂ O or less, and the concentration of hydrogen chloride gas was 0 ppm for 936 seconds. The hydrogen gas removal capability is very high. In the case of hydrogen cyanide gas (HCN), when the test was conducted with a standard gas concentration of 295 ppm and an injection flow rate of 30 L / min, the differential pressure was 30 mmH ₂ O. , Which showed 0 ppm for 906 seconds, indicating that the hydrogen cyanide gas removal ability was considerably superior.

  As described above, the detoxification ability of carbon monoxide, sulfurous acid gas, hydrogen chloride gas, and hydrogen cyanide gas according to the present invention shows a result that sufficiently satisfies the safety standard of the FI certification standard of the Fire Fighting Authority. It can be seen that the present invention shows considerably superior performance in terms of poison gas detoxification performance.

It is a front view which shows the whole structure of the multifunctional mask which concerns on this invention. It is sectional drawing which looked at the structure for intake / exhaust which concerns on this invention from upper direction. It is a front view of the structure for intake / exhaust according to the present invention. It is sectional drawing which looked at the multifunctional mask concerning the present invention from the upper part. It is a front view which shows the member for string adjustment which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hood 2 Adhesive part 3 Reflective tape 4 Intake / exhaust structure 5 Adjustment string 6 Front sealing structure 7 String adjustment member 8 Intake structure 9 First nonwoven fabric filter 10 Dehumidification filter 11 Gas decomposition filter 12 Second nonwoven fabric filter 14 Exhaust structure 15 Male thread structure 16 Female thread structure (combined with male thread structure 15)
17 LED
18 Speaker (sound generator)
19 Plastic structure 20 Intake valve 21 Nominator 22 Exhaust valve 23 String 24 Slot for inserting string

Claims (5)

In a mask that decomposes and filters various gases and dusts harmful to the human body,
A hood that consists of a thermosetting resin-based transparent film, designed and manufactured in a size and shape that can be easily worn,
An exhaust structure attached to one surface of the hood and provided with an exhaust valve;
A structure for intake air that is tightly coupled to the exhaust structure and contains a harmful gas decomposition catalyst that decomposes and filters harmful gases and dust, a dust removal filter, and a dehumidification catalyst that removes moisture; ,
A front sealing structure made of silicon or a soft rubber material, which is closely attached to the exhaust structure inside the hood and prevents inflow of harmful gas and dust, and
It is installed in close contact with the exhaust structure on the outside of the hood, and when worn, inserts a string to go around the outside of the hood and fix the front sealing structure to the front face of the user. A string adjusting member formed so as to be adjustable;
A multifunctional mask provided at the lower end of the hood, comprising an adjustment string for preventing various harmful gases and dust harmful to the human body from flowing into the face.   The intake structure includes a first non-woven fabric that removes dust having relatively large particles and a dehumidification catalyst that adsorbs and removes moisture in order to efficiently remove gas, dust, and moisture harmful to the human body. And a harmful gas decomposition catalyst agent that decomposes and removes harmful gas, and a second nonwoven fabric for removing fine dust that has been subjected to electrostatic treatment for efficiently removing dust. The multifunctional mask according to claim 1.   In the exhaust structure, exhaust valves are installed left and right or left and right and up and down, and each exhaust valve maintains a closed state during normal times or when air is sucked in, and air sucked when air is discharged. The multifunctional mask according to claim 1, wherein the multifunctional mask is configured to freely discharge air or to be sucked and discharged through a filter.   The multifunction mask according to claim 3, wherein the hood further includes a reflective tape attached to an upper end of the hood and a light emitting unit that generates light by a power source.   The multi-function according to claim 4, wherein the hood further includes a caller that is installed inside the hood and generates a sound when necessary, and a sound generation unit that generates a sound by a power source. Sex mask.

Images