CN113229550A - Ultraviolet self-disinfecting mask - Google Patents
Ultraviolet self-disinfecting mask Download PDFInfo
- Publication number
- CN113229550A CN113229550A CN202010081117.2A CN202010081117A CN113229550A CN 113229550 A CN113229550 A CN 113229550A CN 202010081117 A CN202010081117 A CN 202010081117A CN 113229550 A CN113229550 A CN 113229550A
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- CN
- China
- Prior art keywords
- mask
- layer
- ultraviolet
- unit
- disinfection
- 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.)
- Pending
Links
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 56
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 230000000249 desinfective effect Effects 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 229910002704 AlGaN Inorganic materials 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 60
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 4
- 244000005700 microbiome Species 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000241 respiratory effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 239000002346 layers by function Substances 0.000 abstract description 2
- 244000052616 bacterial pathogen Species 0.000 description 6
- 230000001954 sterilising effect Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 108091093078 Pyrimidine dimer Proteins 0.000 description 2
- ASJWEHCPLGMOJE-LJMGSBPFSA-N ac1l3rvh Chemical class N1C(=O)NC(=O)[C@@]2(C)[C@@]3(C)C(=O)NC(=O)N[C@H]3[C@H]21 ASJWEHCPLGMOJE-LJMGSBPFSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 231100000518 lethal Toxicity 0.000 description 2
- 230000001665 lethal effect Effects 0.000 description 2
- 244000000010 microbial pathogen Species 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 239000013635 pyrimidine dimer Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 206010003757 Atypical pneumonia Diseases 0.000 description 1
- 241000711573 Coronaviridae Species 0.000 description 1
- 241001115402 Ebolavirus Species 0.000 description 1
- 208000002979 Influenza in Birds Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 206010064097 avian influenza Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005560 droplet transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1192—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with antimicrobial agent
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/30—Antimicrobial, e.g. antibacterial
- A41D31/305—Antimicrobial, e.g. antibacterial using layered materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultra-violet radiation
Abstract
The invention provides an ultraviolet disinfection mask, wherein two ultraviolet disinfection unit layers are arranged in the mask, and can disinfect and sterilize a filter layer and air flow passing through the filter layer in use or idle, so that the defect that respiratory protection articles in the prior art lack effective treatment and recycling means is overcome, and the service life of the mask is greatly prolonged. The detachable disinfection filtering unit provides a modular design structure, and all functional layers can be conveniently replaced according to actual needs. The mask can flexibly select and replace ultraviolet LED chips with different wave bands or specifications according to the killing requirements of different microorganisms, thereby providing better protection effect.
Description
Technical Field
The invention relates to the technical field of respiratory protection articles, in particular to a mask with an ultraviolet disinfection function for the mask.
Background
In recent years, microorganisms such as atypical pneumonia (SARS), ebola virus, avian influenza, novel coronavirus (2019-nCoV) have caused serious public health problems, and respiratory and droplet transmission are important transmission pathways for these viruses or viral outbreaks. When a mask with a specific specification is used, such as an N95 mask, the mask can better block germs, but the attenuation of the protective performance of the mask along with time is serious, and when germs are adsorbed on a filter layer or the amount of particles is high, the risk that the germs partially permeate through the filter layer and are inhaled by a human body may occur. And because the better sealing property of the mask also causes larger suction resistance, the mask can have adverse effect on the respiratory system after being worn for a long time, and therefore, the mask is generally recommended to be discarded after being worn for more than 4 hours. In some extreme periods, the consumption of the mask is extremely high, and society inevitably pays extremely high cost on the mask with high protection performance, so how to effectively carry out necessary disinfection treatment on the mask and realize recycling is a technical problem to be solved urgently in the field.
Although some masks with simpler structures or breathing protective masks with more complex structures such as internal airflow channels or ventilation systems have appeared in the prior art, airflow sucked by a human body is subjected to certain disinfection and sterilization treatment through ultraviolet light, so that the air can reach lower concentration of pathogenic bacteria before passing through a final filter layer. However, these solutions still mainly focus on solving the technical problem of how to treat the air, but not how to sterilize the mouth mask itself, thereby achieving recycling.
Disclosure of Invention
In view of the above technical problems in the art, the present invention provides an ultraviolet disinfection mask, comprising:
the mask comprises a mask body, a disinfection and filtration unit and a fixing band;
the mask main body is used for covering the mouth and nose positions on the face of a person and filtering inhaled air;
the disinfection filtering unit is arranged in the center of the mask main body; the disinfecting and filtering unit sequentially comprises an external isolating layer, a first ultraviolet disinfecting unit layer, a filtering layer, a second ultraviolet disinfecting unit layer and a power supply unit layer which are arranged in a laminated manner from the outside to the inside of the mask body;
the first ultraviolet disinfection unit layer and the second ultraviolet disinfection unit layer have the same structure and respectively comprise an outer frame, the outer frame is provided with at least one ultraviolet LED chip facing to the center of the outer frame, and the power supply unit layer is used for supplying power to the ultraviolet LED chips;
the filter layer between the two ultraviolet disinfection unit layers can be irradiated and disinfected through ultraviolet rays emitted by the ultraviolet LED chip. Even if the mask is worn for a long time, the protection effect can be ensured not to be weakened, and the service life of the mask is further prolonged. And in the wearing and use process, the airflow can play a certain role in disinfection while flowing through the ultraviolet disinfection unit layer and the filter layer.
The fixing band is used for fixing the mask main body on the face of a person when the mask main body is worn.
According to the teaching of the invention, the person skilled in the art can realize excellent disinfection and sterilization effects on the filter layer and the airflow by setting the proper size and shape of the disinfection and filtration unit to cover the mask body part with the highest particle accumulation degree after long-term wearing.
Furthermore, first ultraviolet disinfection unit layer, filter layer, second ultraviolet disinfection unit layer and power supply unit layer in the disinfection filter unit adopt and can dismantle the setting, outside isolation layer still is used for fixing each layer of detachable. Through the design, the ultraviolet disinfection unit layer suitable for the wave band or specification can be flexibly selected according to the actual disinfection requirement, and the filter layer can be conveniently replaced under the necessary condition, so that a modular design is formed.
Those skilled in the art can use a variety of suitable shapes and configurations of the outer barrier layer to achieve good retention of the removable layers in accordance with the teachings of the present invention as described above.
Further, the ultraviolet LED chip is an LED chip manufactured using AlGaN or GaN, and is configured to provide ultraviolet light having a wavelength of 210nm to 365 nm. The wave bands comprise three wave bands of UVA (400-315 nm), UVB (315-280 nm) and UVC (280-200 nm), can better enter pathogenic bacteria and other pathogenic microorganisms to generate pyrimidine dimers, and enable accounting mutation and damage of bioplasmatic protein and enzyme to be finally lethal.
Furthermore, all be equipped with the electrical contact on first ultraviolet disinfection unit layer, second ultraviolet disinfection unit layer, the outside isolation layer for when ultraviolet disinfection unit layer installs on the outside isolation layer, form the electricity with the power supply unit and be connected.
Further, the power supply unit specifically includes: the power supply unit, the control circuit unit and the switch unit.
Furthermore, the mask body is provided with a reflecting material which reflects ultraviolet rays to the outside and is used for preventing excessive ultraviolet rays from being emitted into the mask, so that improper irradiation on a wearer is avoided.
Compared with the prior art, the ultraviolet disinfection mask provided by the invention at least has the following beneficial effects:
(1) the two ultraviolet disinfection unit layers arranged in the mask can disinfect and sterilize the filter layer and the passing air flow in the mask in the using process or in the idle process, the defect that the breathing protective articles are lack of effective treatment and recycling means in the prior art is overcome, and the service life of the mask is greatly prolonged.
(2) The detachable disinfection filtering unit provides a modular design structure, and all functional layers can be conveniently replaced according to actual needs.
(3) And the ultraviolet LED chips with different wave bands or specifications can be flexibly selected and replaced according to the killing requirements of different microorganisms, so that a better protection effect is provided.
Drawings
Fig. 1 is a schematic view of the overall structure of the mask of the present invention;
FIG. 2 is an overall view of the sterilizing filter unit;
FIG. 3 is an exploded view of the various layers of the sterilizing filter unit;
FIG. 4 is a side view of the sterilizing filter unit;
FIG. 5 is a schematic diagram of the circuit contacts;
FIG. 6 is a schematic diagram of a preferred layout of UV LED chips;
FIG. 7 is a schematic view of the outermost barrier layer of the mask of the present invention;
FIG. 8 is a schematic view of an alternative barrier layer on the outermost layer of the inventive mask;
fig. 9 is a schematic circuit diagram of a circuit for controlling the light emission of the ultraviolet LED chip.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.
The ultraviolet disinfection mask provided by the invention is shown in figures 1-4 and comprises:
the mask comprises a mask body 3, a disinfection and filtration unit 2 and fixing belts 4 and 5;
wherein, the mask main body 3 is used for covering the mouth and nose positions on the face of a person and filtering the inhaled air;
the disinfection filtering unit 2 is arranged in the center of the mask body 3; the disinfecting and filtering unit 2 sequentially comprises an external isolating layer 7, a first ultraviolet disinfecting unit layer 8, a filtering layer 9, a second ultraviolet disinfecting unit layer 10 and a power supply unit layer 11 which are arranged in a laminated manner from the outside to the inside of the mask body 3;
the first ultraviolet disinfection unit layer 8 and the second ultraviolet disinfection unit layer 10 have the same structure and respectively comprise an outer frame, at least one ultraviolet LED chip 19 facing the center of the outer frame is arranged on the outer frame, and the power supply unit layer is used for supplying power to the ultraviolet LED chips; as shown in fig. 6, the uv LED chips may be disposed in a plurality and uniformly distributed on the outer frame, and are connected to the power supply layer 11 through the bottom contact 20, and controlled by the switch unit 30.
The fixing straps 4 and 5 are used to fix the mask body 3 to the face of a person when worn, and may be fixed to the mask body by means of various common connecting structures 6.
In the preferred embodiment of the invention, by setting the proper size and shape of the disinfection and filtration unit, the mask body part with the highest particle accumulation degree after long-time wearing is covered, and the excellent disinfection and sterilization effect on the filtration layer and the airflow can be realized. For example, a circular shape as shown in fig. 1 to 3, a polygonal shape, etc. may be used.
In a preferred embodiment of the present invention, the first ultraviolet disinfection unit layer, the filter layer, the second ultraviolet disinfection unit layer, and the power supply unit layer in the disinfection filter unit are detachably disposed, and the external isolation layer is further configured to fix the detachable layers. As shown in fig. 3 and 5, the external isolation layer is a hollow structure with an opening, and has loading slots and slide rails 14, 15 and 16 for loading other functional units, and has electric contacts 17 and 18 at the bottom. The housing may be a non-woven fabric, permeable to air at various locations, or a sealing material, and may be slotted 25 at several specific locations to allow air to enter from a plurality of selected locations. The external isolation layer can be fixed with the mask main body through a suture line, and also can be fixed through other various known modes.
In some preferred embodiments, the outer barrier layer may be made of a material that is completely breathable as shown in FIG. 7, or may be made of a material that is impermeable as shown in FIG. 8 but has a plurality of ventilation holes 25.
In a preferred embodiment of the present invention, the ultraviolet LED chip is an LED chip manufactured using AlGaN or GaN, and is configured to provide ultraviolet light having a wavelength of 210nm to 365 nm. The wave bands comprise three wave bands of UVA (400-315 nm), UVB (315-280 nm) and UVC (280-200 nm), can better enter pathogenic bacteria and other pathogenic microorganisms to generate pyrimidine dimers, and enable accounting mutation and damage of bioplasmatic protein and enzyme to be finally lethal.
Fig. 9 shows a circuit diagram for controlling light emission of an ultraviolet LED chip, wherein a power supply unit layer includes: a power supply unit 26, a control circuit unit 27, and a switch unit 30.
Furthermore, the mask body is provided with a reflecting material which reflects ultraviolet rays to the outside and is used for preventing excessive ultraviolet rays from being emitted into the mask, so that improper irradiation on a wearer is avoided.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. An ultraviolet disinfection mask is characterized in that: the method comprises the following steps:
the mask comprises a mask body, a disinfection and filtration unit and a fixing band;
the mask main body is used for covering the mouth and nose positions on the face of a person and filtering inhaled air;
the disinfection filtering unit is arranged in the center of the mask main body; the disinfecting and filtering unit sequentially comprises an external isolating layer, a first ultraviolet disinfecting unit layer, a filtering layer, a second ultraviolet disinfecting unit layer and a power supply unit layer which are arranged in a laminated manner from the outside to the inside of the mask body;
the first ultraviolet disinfection unit layer and the second ultraviolet disinfection unit layer have the same structure and respectively comprise an outer frame, the outer frame is provided with at least one ultraviolet LED chip facing to the center of the outer frame, and the power supply unit layer is used for supplying power to the ultraviolet LED chips;
the fixing band is used for fixing the mask main body on the face of a person when the mask main body is worn.
2. The ultraviolet disinfection mask as set forth in claim 1, wherein: first ultraviolet disinfection unit layer, filter layer, second ultraviolet disinfection unit layer and power supply unit layer in the disinfection filter unit adopt and to dismantle the setting, outside isolation layer still is used for fixing each layer of detachable.
3. The ultraviolet disinfection mask as set forth in claim 1, wherein: the ultraviolet LED chip is made of AlGaN or GaN and is used for providing ultraviolet rays with the wavelength of 210nm to 365 nm.
4. The ultraviolet disinfection mask as set forth in claim 1, wherein: and the first ultraviolet disinfection unit layer, the second ultraviolet disinfection unit layer and the external isolation layer are all provided with electric contacts for forming electric connection with the power supply unit layer when the ultraviolet disinfection unit layer is installed on the external isolation layer.
5. The ultraviolet disinfection mask as set forth in claim 1, wherein: the power supply unit layer specifically includes: the power supply unit, the control circuit unit and the switch unit.
6. The ultraviolet disinfection mask as set forth in claim 1, wherein: the mask body is provided with a reflecting material for reflecting ultraviolet rays to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010081117.2A CN113229550A (en) | 2020-02-06 | 2020-02-06 | Ultraviolet self-disinfecting mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010081117.2A CN113229550A (en) | 2020-02-06 | 2020-02-06 | Ultraviolet self-disinfecting mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113229550A true CN113229550A (en) | 2021-08-10 |
Family
ID=77129879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010081117.2A Pending CN113229550A (en) | 2020-02-06 | 2020-02-06 | Ultraviolet self-disinfecting mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113229550A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5165395A (en) * | 1992-02-14 | 1992-11-24 | Ricci Mark R | Ultra-violet germicidal mask system |
| CN101579152A (en) * | 2009-05-25 | 2009-11-18 | 无锡市新区梅村镇同春太阳能光伏农业种植园 | Anti-influenza device applying lithium ion battery on mask |
| CN102763917A (en) * | 2011-05-03 | 2012-11-07 | 周瓴 | Mask |
| WO2016003604A1 (en) * | 2014-07-03 | 2016-01-07 | Ling Zhou | Breathing apparatus with ultraviolet light emitting diode |
| CN204969592U (en) * | 2015-08-10 | 2016-01-20 | 无锡能创物联网科技有限公司 | Gauze mask with UVLED function of disinfecting |
| CN205611849U (en) * | 2016-05-10 | 2016-10-05 | 苏州晶世达光电科技有限公司 | Ultraviolet disinfection gauze mask that disinfects |
| CN106362318A (en) * | 2016-11-03 | 2017-02-01 | 吴桂恒 | Ventilation method of automatic-ventilating mouth muffler and mouth muffler ventilator |
| US20180264161A1 (en) * | 2018-05-11 | 2018-09-20 | Gerry M. Welch | Ultraviolet Light Germicidal Facemask Apparatus and Method |
| CN209436293U (en) * | 2018-09-28 | 2019-09-27 | 周丽 | A kind of childhood infection protective mask |
-
2020
- 2020-02-06 CN CN202010081117.2A patent/CN113229550A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5165395A (en) * | 1992-02-14 | 1992-11-24 | Ricci Mark R | Ultra-violet germicidal mask system |
| CN101579152A (en) * | 2009-05-25 | 2009-11-18 | 无锡市新区梅村镇同春太阳能光伏农业种植园 | Anti-influenza device applying lithium ion battery on mask |
| CN102763917A (en) * | 2011-05-03 | 2012-11-07 | 周瓴 | Mask |
| WO2016003604A1 (en) * | 2014-07-03 | 2016-01-07 | Ling Zhou | Breathing apparatus with ultraviolet light emitting diode |
| CN204969592U (en) * | 2015-08-10 | 2016-01-20 | 无锡能创物联网科技有限公司 | Gauze mask with UVLED function of disinfecting |
| CN205611849U (en) * | 2016-05-10 | 2016-10-05 | 苏州晶世达光电科技有限公司 | Ultraviolet disinfection gauze mask that disinfects |
| CN106362318A (en) * | 2016-11-03 | 2017-02-01 | 吴桂恒 | Ventilation method of automatic-ventilating mouth muffler and mouth muffler ventilator |
| US20180264161A1 (en) * | 2018-05-11 | 2018-09-20 | Gerry M. Welch | Ultraviolet Light Germicidal Facemask Apparatus and Method |
| CN209436293U (en) * | 2018-09-28 | 2019-09-27 | 周丽 | A kind of childhood infection protective mask |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230412 Address after: No. 1088, Xueyuan Avenue, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: SOUTH University OF SCIENCE AND TECHNOLOGY OF CHINA Address before: Taizhou building, No. 1088, Xueyuan Avenue, Xili University Town, Nanshan District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN THIRD GENERATION SEMICONDUCTOR Research Institute |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210810 |