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WO2021261608A1 - Masque de stérilisation uv - Google Patents

Masque de stérilisation uv Download PDF

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Publication number
WO2021261608A1
WO2021261608A1 PCT/KR2020/008161 KR2020008161W WO2021261608A1 WO 2021261608 A1 WO2021261608 A1 WO 2021261608A1 KR 2020008161 W KR2020008161 W KR 2020008161W WO 2021261608 A1 WO2021261608 A1 WO 2021261608A1
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WO
WIPO (PCT)
Prior art keywords
air
exhaust port
mask
air purification
present
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2020/008161
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English (en)
Korean (ko)
Inventor
이상혁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2021261608A1 publication Critical patent/WO2021261608A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00Filters for breathing-protection purposes
    • A62B23/02Filters for breathing-protection purposes for respirators

Definitions

  • the present invention relates to a UV sterilization mask that can sterilize air using UV (ultraviolet rays) and photocatalytic reaction. Specifically, it uses UV and photocatalytic reaction to sterilize viruses such as COVID-19 in the air to breathe It is a technology related to a mask that can supply air.
  • a mask (or face mask) is a sanitary product that wraps the wearer's respiratory tract so as not to allow the inflow of contaminants and/or cold air, and a fibrous material (filter It is connected to both ends of the exhaust vent body part and the exhaust vent body part of) and consists of an ear hook that is hung on the wearer's ear.
  • the conventional face mask inevitably has a problem in that the filtering effect is remarkably reduced due to the inflow of dust and cold wind through the gap between the face and the exhaust port body part due to the facial structures such as the bridge of the nose and the cheeks.
  • the exhaust port body of the fiber material becomes damp, which interferes with breathing.
  • a dust mask for nasal cavity such as disclosed in the patent literature (Republic of Korea Patent No. 10-0522155) is known, but due to structural limitations, it has to be limited to the filtering function of contaminants through the filter. There is no problem.
  • several types of masks using UV or the like are known, but these known masks have a problem in that it is difficult to actually use them because the efficiency of sterilization is decisively low.
  • the present invention was created to solve the above-mentioned problems, and an object of the present invention is to provide a headgear type UV sterilization mask that does not have a problem of breathing difficulties when used for a long time and restrictions on reuse.
  • an object of the present invention is to provide a UV sterilization mask in which sterilization of intake air using UV or the like can be efficiently performed.
  • An air purification mask includes: an intake port having a blowing fan and a filter to suck air; an exhaust port disposed adjacent to the wearer's nostrils for discharging purified air; a pair of air guide tubes interposed in fluid communication between the intake port and the exhaust port; and a plurality of UV LED light sources disposed along the longitudinal direction on the inner circumferential surface of the hollow part of the air guide tube, wherein the air sucked in through the intake port is first sterilized with UV light emitted from the UV LED light source, and can be guided to the exhaust port.
  • a photocatalytic member may be applied to the inner circumferential surface of the hollow part of the air induction tube to induce a photocatalytic reaction with light energy emitted from an ultraviolet LED light source to treat the air as secondary antibacterial treatment.
  • the photocatalyst member is preferably made of titanium dioxide (TiO 2 ).
  • the present invention can induce a meandering flow of air so that the residence time of air in the air guide tube can be extended by alternately disposing the first partition wall and the second partition wall in the longitudinal direction in the hollow portion of the air guide tube.
  • the air guide tube may be made of a non-UV-transmissive material, whereas the first partition wall and the second partition wall may be made of an UV-transmissive material.
  • the air guide tube may be formed in a corrugated tube shape with a rear end adjacent to the exhaust port.
  • the exhaust port according to the present invention includes an exhaust port body having a through hole penetrating therein; a pair of nasal insertion tubes disposed on the inner surface of the exhaust port body opposite to the nostril and in fluid communication with one end of the through-hole, respectively; and a pair of connecting tubes protruding to the outside from the outer surface of the exhaust port body to be in fluid communication with the other end of the through hole, respectively.
  • the ultraviolet LED light source may emit ultraviolet rays in a wavelength range of 200 nm to 400 nm.
  • the present invention may further include a fastening band that is fastened to a pair of air induction tubes across the circumference of the wearer's occipital region.
  • the present invention may further incorporate a heater within the vent body.
  • the present invention provides a UV sterilization mask that can effectively supply air that has been sterilized and antibacterially treated by a photocatalytic reaction along with the emission of ultraviolet rays to the tip of a wearer's nose.
  • the present invention is made of a headgear type to correspond to the curvature of the head and face, and is supported by the wearer's head, while the exhaust port body is closely attached to the wearer's nose tip to protect against viruses (further fine dust, harmful substances, etc.) It is designed to minimize inflow.
  • the present invention is formed in the above-described headgear type, so that the wearer's mouth is not covered, smooth conversation and food intake can be ensured.
  • the present invention has the advantage of enabling more effective sterilization by moving air from the intake port toward the exhaust port in a zigzag form to perform UV irradiation and/or photocatalytic reaction on a long path.
  • FIG. 1 is a wearing state diagram of a UV sterilization mask for air purification according to a preferred embodiment of the present invention.
  • FIG. 2 is a perspective view of the UV sterilization mask for air purification according to the preferred embodiment of the present invention shown in FIG. 1 as viewed from the rear.
  • FIG. 3 is an exploded perspective view schematically illustrating an intake port
  • FIG. 4 is a partial cut-away view confirming the inside of the main portion illustrated in the arc portion (A) of FIG.
  • the UV sterilization mask for air purification according to the present invention is configured to continuously, continuously, periodically, or intermittently supply the purified air around the nose, specifically, to the tip of the nose.
  • the present invention may supply purified air into the nasal cavity.
  • the present invention is designed as a headgear type that is worn around the wearer's (or user's) head so that the exhaust port is disposed adjacent to the nostril to support and hold the wearer's head.
  • the UV sterilization mask for air purification has an intake port 10, an exhaust port 20 disposed adjacent to the nostrils, an intake port 10 and an exhaust port 20 ) interposed between a pair of air guide tubes (30; 30a, 30b) to help enable mutual fluid communication, and a fastening band (40) fastened to a pair of air guide tubes (30; 30a, 30b) to cross the occipital region of the wearer ) is included.
  • the present invention utilizes ultraviolet rays (UV) and photocatalysts to guide the air introduced into the intake port 10 to the exhaust port 20 along the air guide tubes 30; 30a, 30b to prevent harmful substances contained in the air. It is possible to supply clean air to the wearer by destroying or decomposing the component.
  • UV ultraviolet rays
  • photocatalysts to guide the air introduced into the intake port 10 to the exhaust port 20 along the air guide tubes 30; 30a, 30b to prevent harmful substances contained in the air. It is possible to supply clean air to the wearer by destroying or decomposing the component.
  • the intake port 10 is a constituent member for guiding air to a pair of air guide tubes 30 ; 30a and 30b disposed on the downstream side thereof, and includes a blowing fan 11 and a filter 12 .
  • the present invention forcibly blows the air sucked into the opening of the intake port 10 by the driving of the blower fan 11 to pass through the air guide tubes 30; 30a, 30b and to the wearer's nose through the exhaust port 20. can do.
  • the flow rate and/or flow rate of air moving along the air guide pipe can be adjusted by varying the rotation speed of the blower fan 11 in association with the operation signal of the control panel 50 .
  • the filter 12 may filter foreign substances such as yellow dust and fine dust from the air forcedly sucked by the blower fan 11 .
  • the present invention may be composed of cotton, microfiber, non-woven fabric, activated carbon filter, HEPA filter, etc. in order to give the functional effect of the filter.
  • the filter 12 may be disposed on the upstream side of the blowing fan 11 , that is, at the outermost part of the opening of the exhaust port. As a result, only the inflow of filtered air through the filter is allowed.
  • the present invention can be removably positioned on the opening of the inlet by providing the cartridge around the edge of the filter 12 to be detachably mounted on the opening of the exhaust.
  • the filter 12 may be screwed to the intake port 10 so that the entire filter 12 can be replaced.
  • the intake port 10 is mounted on the wearer's head, and as shown, it can be disposed on the wearer's head (parietal).
  • the exhaust port 20 may be disposed in the temporal region, the frontal region, the occipital region, or the like.
  • the present invention opens the opening of the exhaust port 20 upward
  • the direction of the opening of the exhaust port is not limited thereto, and the direction of the opening of the exhaust port may be positioned forward, rearward, or laterally.
  • the air sucked into the intake port 10 may be supplied into the nasal passages or around the nostrils, which are the wearer's nostrils, by the exhaust port 20 .
  • the exhaust port 20 is located on the pharynx between the nose and the mouth and disposed adjacent to the nostrils. It includes a pair of nasal insertion tubes 22 arranged, and a pair of connecting tubes 23 protruding outward from the outer surface of the exhaust port body 21 .
  • the exhaust port body 21 is formed in a shape surrounding the nose droplet at the tip of the nose, and has a through hole (not shown) penetrating the inside.
  • the exhaust port body 21 is a hollow nasal cannula 22 extending in an outward direction from the inner surface of the exhaust port body in fluid communication with one end side of a through hole penetrating the interior thereof, specifically toward the nostril, and, through A hollow connecting pipe 23 protruding outward from the outer surface of the exhaust port body in fluid communication with the other end of the ball may be disposed, and the air passing through the air induction pipe 30 to be described later is connected to the connecting pipe 23 ) through the hollow part, the through hole, and the hollow part of the nasal insertion tube 22 may be supplied to the wearer's nose tip.
  • the nasal insertion tube 22 may be made of a soft synthetic resin or rubber material in order to reduce the feeling of a foreign body inside the nostril.
  • the exhaust port 20 has disposed a pair of connecting pipes 23 to be oriented in opposite directions on both sides of the exhaust port body 21 .
  • the vent body 21 is made of a soft material, and the vent body 21 has an open vent allowing vent to the nasal cavity, and surrounds the open vent.
  • An inwardly rolled flange is configured, and the flange may be configured to be in close contact with the bridge of the nose, the nose ball and the pharynx.
  • the present invention is interposed in fluid communication between the intake port 10 and the exhaust port 20, and a pair of air induction tubes 30 curved in an arc shape to correspond to the contours of the wearer's head and face. ;30a, 30b) are provided.
  • One air guide pipe 30a is extended in length from one side of the intake port 10 and is connected to one side connection pipe 23 of the exhaust port body 21
  • the other air guide pipe 30b has a length from the other side of the intake port 10 . It extends and is connected to the other side connection pipe 23 of the exhaust port body 21 .
  • a pair of air guide tubes 30; 30a, 30b are disposed on both sides of the head and both cheeks of the wearer in a symmetrical structure, but between the intake and exhaust ports depending on the arrangement position of the intake ports, for example. It may be provided with two air guide tubes formed in different shapes.
  • the pair of air guide tubes 30 serve as a movement path for guiding the air sucked into the intake port 10 to the exhaust port 20, and purify the air through ultraviolet emission and photocatalytic reaction while guiding the air sucked into the intake port downstream. It performs the role of supporting and holding the intake and exhaust ports on the wearer's head and face.
  • the air guide pipe 30 is formed in a hollow, elongated tube shape as shown, and the air sucked into the intake port through the inner hollow part 31 of the air guide tube is directed to the exhaust port body 21 of the exhaust port. can guide you
  • the present invention provides the advantage of being able to forcibly blow air toward the downstream side while sucking atmospheric air into the UV sterilization mask using the blowing fan 11 as a means.
  • the air guide tube 30 has a plurality of ultraviolet LED light sources L and a photocatalyst member C installed on the inner circumferential surface of the hollow part 31 along the longitudinal direction.
  • the ultraviolet LED light source (L) is an ultraviolet sterilization light source capable of emitting ultraviolet rays in a wavelength range of 200 nm to 400 nm, and can primary sterilize air that is breathed by ultraviolet rays in a sterilization wavelength band.
  • UV light in a wavelength band of 250 nm to 280 nm has a strong sterilization power and can kill bacteria, such as bacteria, viruses, and fungi.
  • ultraviolet rays in the 185 nm wavelength band can provide a strong oxidizing action by reforming oxygen into ozone, but have a problem of generating ozone.
  • the photocatalyst member (C) applied to the inner circumferential surface of the hollow part of the air guide tube causes a photocatalytic reaction with respect to the light energy in the ultraviolet region irradiated from the ultraviolet LED light source (L) and follows the air guide tube with the oxidation power of hydroxyl radicals (OH-).
  • the flowing air can be subjected to secondary antibacterial treatment.
  • the photocatalyst member (C) may be any one of cadmium selenide (CdSe), zinc oxide (ZnO), cadmium sulfide (CdS), strontium titanate (SrTiO 3 ), tungsten oxide (WO 3 ), and titanium dioxide (TiO 2 ) and, preferably, titanium dioxide that is harmless to the human body and has chemical stability is used.
  • the photocatalyst member (C) when the photocatalyst member (C) is exposed to light from an ultraviolet LED light source capable of emitting ultraviolet light in a wavelength range of 300 nm to 400 nm to activate the photocatalytic function, bacteria and viruses attached to the photocatalytic member are killed (volatile ) It has the advantage of keeping the inner circumferential surface of the air guide pipe clean as well as the air purification effect by decomposing harmful substances.
  • the tube portion of the air guide tube 30 is made of an ultraviolet impermeable (ultraviolet ray reflective) material or the outside of the tube portion is coated with an ultraviolet impermeable (ultraviolet ray reflective) material, so that a sufficient amount of light can be irradiated to the photocatalyst member While guiding it, it ensures stability so that UV rays are not directly exposed to the skin.
  • the present invention provides an air induction tube (30; 30a, 30b) that has a predetermined length to correspond to the curvature of the head and face and is curved in order to ensure a reliable contact opportunity between UV rays and the photocatalyst. It induces a meandering flow of air in the guide tube.
  • the first partition wall 34a and the second partition wall 34b are alternately arranged in the longitudinal direction in the hollow part 31 .
  • the first partition wall 34a extends from one inner peripheral surface side of the hollow part 31 toward the opposite inner peripheral surface side
  • the second partition wall 34b extends from the other inner peripheral surface side of the hollow part 31 toward one inner peripheral surface side.
  • the air introduced into the hollow portion of the air guide pipe passes through the first space between the end of the first partition wall 34a and the other side of the inner peripheral surface and into the second space between the end of the second partition wall 34b and one side of the inner peripheral surface. It flows along the meandering path indicated by the arrow in Fig.
  • the lengths of the first partition wall and the second partition wall are adjusted so that the first space and the second space do not overlap each other in the longitudinal direction of the air guide pipe. Extend by 1/2 or more to the distance between them (the length of the inner width of the hollow part).
  • the photocatalyst member C is applied not only on the inner peripheral surface of the hollow part 31 but also on the first partition wall 34a and the second partition wall 34b to further improve the chance of contact with air.
  • a photocatalyst member (C) may be applied to the above-mentioned surface after the binder is applied to the inner peripheral surface of the hollow part 31 and/or the surfaces of the partition walls 34a and 34b.
  • the photocatalytic reaction is a phenomenon in which a material is decomposed when the photocatalyst member absorbs ultraviolet rays having a predetermined range, and the reaction is activated by the amount of light irradiated to the photocatalytic member.
  • the first partition wall 34a and the second partition wall 34b are made of an ultraviolet light-transmitting material to increase the absorption amount of ultraviolet rays emitted from the plurality of ultraviolet LED light sources L.
  • the shape of the air induction tube can be changed even under an external force due to the partition support structure in which the first partition wall 34a and the second partition wall 34b are disposed in the hollow part 31 of the air guide tube 30; 30a, 30b. It is possible to secure an air flow path in the hollow part.
  • the mask for air purification of the present invention is supported by the wearer's head and includes a fastening band 40 bound to a pair of air induction tubes 30; 30a, 30b so that the exhaust port is in close contact with the tip of the nose.
  • the fastening band 40 is disposed around the wearer's head, for example, the back of the head, and may be made of a material having flexibility to support the UV sterilization mask of the present invention.
  • one end of the fastening band 40 is bound to a fastening groove (no reference sign) of one air guide pipe 30a, and the other end thereof is a fastening groove (no reference sign) of the other air guide pipe 30b.
  • the fastening band may be provided with various types of distance adjustments, such as Velcro, for example, to be adjustable in length to fit the wearer's head.
  • the present invention can control the application of power to the blower fan 11 and the ultraviolet LED light source L through the control panel 50 and also perform a function of charging the power supplied through the USB terminal to the built-in battery. .
  • the wearer may change the rotation speed of the blower fan through manipulation of the control panel.
  • the control panel 50 performs short-range wireless communication with a smart phone by having a short-range wireless communication module for short-range wireless communication such as Bluetooth, and uses a smart phone (smartphone and an application installed therein) to blow the fan 11 ) and the UV LED light source (L) power application and the rotation speed of the blowing fan can be wirelessly controlled for the functions of the UV sterilization mask.
  • PCB printed circuit board mounted on the control panel 50, a battery, a USB terminal, a blower fan 11, an ultraviolet LED light source (L), a short-range wireless communication module, and a heater (H) to be described later are connected. Electrical wiring is already widely known to those skilled in the art, and detailed description will be omitted.
  • the present invention is a UV sterilization mask that induces nasal breathing instead of oral breathing, and a commercially available mask may be additionally worn while wearing the UV sterilization mask for air purification described in the detailed description of the present invention.
  • the invention improves the antibacterial effect and hygiene condition by applying a silver nano coating to the inner peripheral surface of the hollow part 31 of the air guide tube 30, the exhaust port body 21 of the exhaust port 20, and the nasal insertion tube 22 of the exhaust port can do it
  • the air induction pipe (30; 30a, 30b) may be formed as a corrugated pipe on the rear end side adjacent to the exhaust port (20).
  • the rear end of the pair of air guide tubes 30; 30a, 30b that is, the portion of the air guide tube coupled to the connecting tube 23 of the exhaust port 20, is formed as a bellows. to form That is, according to the present invention, the position of the mask body 21 can be varied through the corrugated pipe of the air guide pipe 30 so that it can be arranged on the pharynx between the wearer's nose and mouth to match the facial contour.
  • a heater (not shown) is disposed in the exhaust port body 21 of the exhaust port 20, for example, cold air in winter is heated to a predetermined temperature, so that a cold protection effect can be expected during nasal breathing.
  • the exhaust port body is placed in the pharynx between the nose and the mouth or is placed on the tip of the nose to warm the tip of the nose with a heat source provided by the heater powered by the control panel to help circulate blood around the nose, thereby preventing colds and rhinitis. A preventive effect can also be expected.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

La présente invention concerne un masque de purification d'air comprenant : un orifice d'admission ayant au moins un filtre de façon à aspirer de l'air ; un orifice d'évacuation conçu pour être adjacent aux narines d'un porteur de façon à évacuer l'air purifié ; une paire de tubes de guidage d'air interposés entre l'orifice d'admission et l'orifice d'évacuation de telle sorte qu'une communication fluidique soit permise entre ceux-ci ; et une pluralité de sources de lumière à DEL ultraviolettes disposées dans la direction longitudinale de celui-ci sur les surfaces circonférentielles internes des parties creuses des tubes de guidage d'air, l'air aspiré dans l'orifice d'admission étant principalement stérilisé par les rayons ultraviolets émis par les sources de lumière à DEL ultraviolettes et pouvant être guidé vers l'orifice d'évacuation. De plus, la présente invention permet à l'air d'être stérilisé secondairement par une réaction photocatalytique induite dans le milieu de rayons ultraviolets à émettre à l'intérieur des tubes de guidage d'air.
PCT/KR2020/008161 2020-06-22 2020-06-23 Masque de stérilisation uv Ceased WO2021261608A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2020-0075513 2020-06-22
KR20200075513 2020-06-22

Publications (1)

Publication Number Publication Date
WO2021261608A1 true WO2021261608A1 (fr) 2021-12-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2020/008161 Ceased WO2021261608A1 (fr) 2020-06-22 2020-06-23 Masque de stérilisation uv

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WO (1) WO2021261608A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220331618A1 (en) * 2021-04-19 2022-10-20 André V. Asselin Avaaka: anti-contaminant venting apparatus and angelic kanga apparel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040073857A (ko) * 2003-02-15 2004-08-21 주식회사 인디스 공기정화기
JP2009514654A (ja) * 2005-11-08 2009-04-09 ネクスト セイフティ インク 空気供給装置
CN102716556A (zh) * 2012-05-31 2012-10-10 廖瑞军 头戴式空气净化器
KR20140095875A (ko) * 2013-01-25 2014-08-04 서울바이오시스 주식회사 Uvled를 이용하는 공기 정화 장치
KR20190141311A (ko) * 2018-06-14 2019-12-24 전자부품연구원 스마트 마스크

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040073857A (ko) * 2003-02-15 2004-08-21 주식회사 인디스 공기정화기
JP2009514654A (ja) * 2005-11-08 2009-04-09 ネクスト セイフティ インク 空気供給装置
CN102716556A (zh) * 2012-05-31 2012-10-10 廖瑞军 头戴式空气净化器
KR20140095875A (ko) * 2013-01-25 2014-08-04 서울바이오시스 주식회사 Uvled를 이용하는 공기 정화 장치
KR20190141311A (ko) * 2018-06-14 2019-12-24 전자부품연구원 스마트 마스크

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220331618A1 (en) * 2021-04-19 2022-10-20 André V. Asselin Avaaka: anti-contaminant venting apparatus and angelic kanga apparel

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