CN111228618A - Ultraviolet air disinfection respirator - Google Patents
Ultraviolet air disinfection respirator Download PDFInfo
- Publication number
- CN111228618A CN111228618A CN202010166138.4A CN202010166138A CN111228618A CN 111228618 A CN111228618 A CN 111228618A CN 202010166138 A CN202010166138 A CN 202010166138A CN 111228618 A CN111228618 A CN 111228618A
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- Prior art keywords
- air
- ultraviolet
- light source
- opening
- face
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- 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.)
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Links
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 12
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 24
- 238000004887 air purification Methods 0.000 claims abstract description 5
- 239000004745 nonwoven fabric Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 239000004750 melt-blown nonwoven Substances 0.000 claims description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 3
- 230000000249 desinfective effect Effects 0.000 claims 4
- 241000894006 Bacteria Species 0.000 abstract description 21
- 241000700605 Viruses Species 0.000 abstract description 21
- 244000005700 microbiome Species 0.000 abstract description 11
- 210000002345 respiratory system Anatomy 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000241 respiratory effect Effects 0.000 abstract description 4
- 238000004132 cross linking Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 3
- 230000010076 replication Effects 0.000 abstract description 3
- 230000001954 sterilising effect Effects 0.000 abstract description 2
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 230000002147 killing effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 231100000518 lethal Toxicity 0.000 description 2
- 230000001665 lethal effect Effects 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
-
- 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—Ultraviolet radiation
Landscapes
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Pulmonology (AREA)
- Emergency Medicine (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention provides an ultraviolet air disinfection respirator, which comprises a face mask, a breathing cavity formed by the face mask attached to the face, an air purification channel and an ultraviolet light source, wherein the face mask is provided with a plurality of holes; the air purifying channel is communicated with the breathing cavity, and the ultraviolet light source is arranged in the air purifying channel. After the face mask is attached to the face, air in the breathing cavity can be exchanged with air outside the respirator only through the purified air channel. After the ultraviolet radiation with the wavelength range of 250-260nm, the bonds and chains of the DNA of the bacteria, the viruses and the spores are broken, the cross-linking reaction is carried out, and photochemical products are formed, so that the microorganisms such as the bacteria, the viruses and the spores are inactivated, the replication of the microorganisms can not be carried out, and the sterilization effect of the microorganisms is achieved. The microorganisms in the air passing through the air purifying channel are all radiated and killed by the ultraviolet light source, so that the active bacteria and viruses entering the respiratory tract of the human body can be effectively reduced when the air purifying channel is exchanged with the air in the respiratory cavity.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an ultraviolet air disinfection respirator.
Background
In hospitals or special places, in order to prevent some tiny harmful substances such as bacteria or viruses from entering human bodies through respiratory tracts and causing damage to the human bodies, the common approach is to require field personnel to wear a mask or a respirator, air enters the respiratory tracts of the human bodies after being filtered by the mask or the respirator, and the mask or the respirator performs necessary filtering and isolation on the harmful substances to protect the human bodies from being damaged. As is known, the protection efficiency of the filtering mode is low, and some bacteria or viruses can enter the respiratory tract of the human body through the filtering layer to cause damage to the human body.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a breathing machine with better protection effect.
In order to solve the technical problems, the invention adopts the technical scheme that:
an ultraviolet air disinfection respirator comprises a face mask, a breathing cavity formed by the face mask after being attached to the face, an air purification channel and an ultraviolet light source; the air purifying channel is communicated with the breathing cavity, and the ultraviolet light source is arranged in the air purifying channel.
Further, the air purifying channel is cylindrical, and two ends of the air purifying channel are respectively provided with a first opening and a second opening for exchanging air; the purified air channel is communicated with the outside of the respirator through the first opening, and is also communicated with the breathing cavity through the second opening; a first filter screen is arranged on the first opening, and a second filter screen is arranged on the second opening.
Furthermore, an ultraviolet blocking portion used for protecting a human body is further arranged at the second opening, and the ultraviolet blocking portion is located between the ultraviolet light source and the second filtering portion.
Furthermore, the ultraviolet blocking part is composed of at least two light shielding plates for limiting the air to flow in a wave shape.
Further, still include anchor clamps, first filter screen passes through anchor clamps are fixed on first opening.
Further, the second opening is connected with the mask through a thread structure; and a pull ring for tying and buckling a rope belt is arranged on the other surface of the face mask which is jointed with the face.
Further, the first filter screen is made of dustproof non-woven fabric.
Further, the second filter screen is made of a first spun-bonded non-woven fabric, a melt-blown non-woven fabric and a second spun-bonded non-woven fabric which are sequentially laminated.
Furthermore, activated carbon is wrapped in the first spun-bonded non-woven fabric and/or the second spun-bonded non-woven fabric.
Further, the ultraviolet light source is an LED lamp light source or a mercury lamp light source; the material of the face guard and the face binding face is silica gel.
The invention has the beneficial effects that: the ultraviolet ray with the wavelength range of 250-260nm has good killing effect on bacteria, viruses and spores. After the ultraviolet radiation in this wavelength range, DNA of bacteria, viruses and spores is damaged and destroyed, and thus, it is fatal. This lethal process is: after ultraviolet irradiation, the bonds and chains of DNA of bacteria, viruses and spores are broken, cross-linking reaction is carried out, and photochemical products are formed, so that the microorganisms such as the bacteria, the viruses and the spores are inactivated, self replication can not be carried out, and the killing effect of the microorganisms is achieved. The microorganisms in the air passing through the air purifying channel are all radiated and killed by the ultraviolet light source, so that the active bacteria and viruses entering the respiratory tract of the human body can be effectively reduced when the air purifying channel is exchanged with the air in the respiratory cavity.
Drawings
The detailed structure of the invention is described in detail below with reference to the accompanying drawings
FIG. 1 is a view showing the construction of the external appearance of an ultraviolet air sterilizer of the present invention;
FIG. 2 is a first exploded view of an ultraviolet air sterilizer of the present invention;
FIG. 3 is a structural exploded view of an ultraviolet air sterilizer of the present invention;
the mask comprises a mask body 1, a purified air channel 2, a first filter screen 3, a second filter screen 4, an ultraviolet blocking part 5, an ultraviolet light source 6, a clamp 7 and a pull ring 8.
Detailed Description
The most key concept of the invention is as follows: the air entering the breathing cavity is filtered and sterilized by ultraviolet light, so that the protection effect of the breathing machine is improved.
In order to further explain the feasibility of the inventive concept, the detailed description of the embodiments according to the technical content, the constructional features, the objectives and the effects achieved will be described in detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1, 2 and 3, an ultraviolet air disinfection respirator comprises a face mask 1, a breathing cavity formed by the face mask 1 after being attached to the face, a purified air channel 2 and an ultraviolet light source 6; the air purifying channel 2 is communicated with the breathing cavity, and the ultraviolet light source 6 is arranged in the air purifying channel 2.
After the face mask 1 is attached to the face, air in the breathing cavity can be exchanged with air outside the respirator only through the purified air channel 2. The ultraviolet ray with the wavelength range of 250-260nm has good killing effect on bacteria, viruses and spores. After the ultraviolet radiation in this wavelength range, DNA of bacteria, viruses and spores is damaged and destroyed, and thus, it is fatal. This lethal process is: after ultraviolet irradiation, the bonds and chains of DNA of bacteria, viruses and spores are broken, cross-linking reaction is carried out, and photochemical products are formed, so that the microorganisms such as the bacteria, the viruses and the spores are inactivated, self replication can not be carried out, and the killing effect of the microorganisms is achieved. The microorganisms in the air passing through the air purifying channel 2 are all radiated and killed by the ultraviolet light source, so that the active bacteria and viruses entering the respiratory tract of the human body can be effectively reduced when the air purifying channel 2 is exchanged with the air in the respiratory cavity.
Example 2
On the basis of the structure of the above embodiment, the purified air channel 2 is cylindrical, and the two ends of the purified air channel are respectively provided with a first opening and a second opening for exchanging air; the purified air channel 2 is communicated with the outside of the respirator through the first opening, and the purified air channel 2 is also communicated with the breathing cavity through the second opening; a first filter screen 3 is arranged on the first opening, and a second filter screen 4 is arranged on the second opening. The ultraviolet light source 6 is positioned between the first filter screen 3 and the second filter screen 4; the second filter 4 is located between the uv light source 6 and the face mask 1.
The first filter screen 3 is used for filtering matters such as dust and the like in the sucked air for preliminary filtration, so that the pollution degree of the air entering the purified air channel 2 is reduced, and the ultraviolet disinfection and sterilization effect is improved; the second filter screen 4 is used for filtering micro substances such as bacteria, viruses, spores and dust in the air and improving the cleanness of the air entering the breathing cavity. The air enters the air purifying channel 2 after being filtered and removed large-particle dust through the first filter screen 3, then is irradiated by the ultraviolet light source 6, and finally enters the breathing cavity after being filtered through the second filter screen 4. Through multi-layer filtration and ultraviolet disinfection, the active bacteria and viruses entering human respiratory tracts can be effectively reduced.
If the user of the respirator is a patient, the gas exhaled by the patient flows out of the respirator after being filtered by the second filter screen 4, the first filter screen 3 and the ultraviolet light source 6. Therefore, the breathing machine can effectively prevent micro active substances such as bacteria, viruses and the like in respiratory secretions of patients from entering the air to be transmitted.
Example 3
On the basis of the structure of the embodiment, the second opening is further provided with an ultraviolet blocking part 5 for protecting a human body, and the ultraviolet blocking part 5 is positioned between the ultraviolet light source 6 and the second filtering part 4.
Set up ultraviolet barrier part 5 and block acting on human skin behind the ultraviolet ray passes second filter part 4, avoid the ultraviolet ray to cause the injury to the human body.
Example 4
In addition to the structure of the above embodiment, the ultraviolet blocking part 5 is composed of at least two light shielding plates for limiting the air to flow in a wave shape.
The adjacent light screens are arranged in a staggered mode, namely a gap which is convenient for air to flow through is formed between the different side edges of the two adjacent light screens and the inner side wall of the air purifying channel 2, so that the air is prevented from flowing linearly, the aim of blocking light and not blocking the flow of air is fulfilled, namely, ultraviolet rays are prevented from irradiating the second filter screen 4 and even penetrating through the second filter screen 4, and the ultraviolet light source is ensured not to cause ultraviolet injury to human bodies.
Example 5
On the basis of the structure of the above embodiment, the filter further comprises a clamp 7, and the first filter screen 3 is fixed on the first opening through the clamp 7.
The outer wall of the purified air channel 2 is provided with a first groove matched with the clamp 7 at the first opening. The clamp 7 is made of a material with excellent deformation resistance, and preferably, the clamp 7 is made of a stainless steel material. The fixture 7 fixes the first filter screen 3 on the first groove by deformation.
Example 6
On the basis of the structure of the above embodiment, the second opening is connected with the mask 1 through a thread structure; and a pull ring 8 for tying and buckling a rope belt is arranged on the other surface of the face mask 1 which is jointed with the face.
The inner wall of the purified air channel 2 is provided with a second groove matched with the second filter screen 4 at the second opening. The second filter screen 4 is fixed at the second opening through the extrusion of a second groove and a thread structure. The pull ring 8 is buckled by a rope belt, so that a supporting force is provided for the breathing machine to fit the face.
Example 7
On the basis of the structure of the above embodiment, the first filter 3 is made of dustproof non-woven fabric. Dust in the air entering the air purification channel 2 is filtered by dustproof non-woven fabrics. The replacement is carried out regularly according to the use environment condition.
Example 8
On the basis of the structure of the above embodiment, the second filter 4 is made of a first spunbonded nonwoven fabric, a meltblown nonwoven fabric and a second spunbonded nonwoven fabric which are laminated in this order. The melt-blown non-woven fabric and the second spun-bonded non-woven fabric are combined together to form a filter screen for filtering micro substances such as bacteria, viruses, spores and dust in the air. The filter screen structure is suitable for common medical environments. The replacement is carried out periodically according to the use environment condition and the use time.
Example 9
On the basis of the structure of the embodiment, activated carbon is wrapped in the first spunbonded non-woven fabric and/or the second spunbonded non-woven fabric. When the filter is used in an environment with peculiar smell, the second filter screen with an activated carbon structure is adopted.
Example 10
On the basis of the structure of the above embodiment, the ultraviolet light source 6 is an LED lamp light source or a mercury lamp light source; the material of the face guard 1 and the face binding face is silica gel. Preferably, the light source wavelength is 254 nm; the mask 1 is made of silica gel materials, is used for covering the face of a person, can be tightly attached to the face, and prevents air from entering a breathing cavity at the attachment position; the shell of the air purifying channel 2 and the shading plate are made of PVC materials.
Example 11
On the basis of the structure of the embodiment, the air purifier further comprises a light source socket, wherein the light source socket is arranged in the purified air channel 2; the ultraviolet light source 6 is fixed in the purified air channel 2 through the light source socket. The light source socket is connected with a power supply and a power adapter provided with a switch. The power adapter is a constant-current switch power circuit, can be supplied by a battery or a mains supply, and can be used according to different occasions.
In summary, according to the ultraviolet air disinfection respirator provided by the invention, air entering the breathing cavity is filtered by the multi-layer filter screen and is disinfected by ultraviolet rays, so that dust, bacteria, viruses, spores and other active microorganisms in the air are removed, and the active bacteria and viruses are effectively prevented from entering the respiratory tract of a human body. After the mask made of silica gel is attached to the face, air can only enter the breathing cavity through the air purifying channel. In addition, the design of the clamp is convenient for replacing the first filter screen; the threaded structure and the second groove are designed, and the second filter screen and the air purification channel are installed in an extrusion mode, so that the second filter screen can be replaced regularly; the design of the shading plate avoids the damage of ultraviolet rays to human bodies; the second filter net of the activated carbon structure provides a deodorizing effect. The breathing machine that this application designed can provide better protection effect for the user.
The first … … and the second … … are only used for name differentiation and do not represent how different the importance and position of the two are.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An ultraviolet air disinfection respirator, which comprises a face mask and a breathing cavity formed by the face mask after being attached to the face, and is characterized by also comprising an air purification channel and an ultraviolet light source; the air purifying channel is communicated with the breathing cavity, and the ultraviolet light source is arranged in the air purifying channel.
2. The ultraviolet air sterilizer of claim 1, wherein the purified air passage has a cylindrical shape, and both ends thereof are respectively provided with a first opening and a second opening for exchanging air; the purified air channel is communicated with the outside of the respirator through the first opening, and is also communicated with the breathing cavity through the second opening; a first filter screen is arranged on the first opening, and a second filter screen is arranged on the second opening.
3. The ultraviolet air disinfecting respirator of claim 2, wherein the second opening is further provided with an ultraviolet blocking portion for protecting a human body, and the ultraviolet blocking portion is positioned between the ultraviolet light source and the second filtering portion.
4. The UV air sterilizer of claim 3, wherein the UV blocking portion is formed of at least two light blocking plates for restricting the air from flowing in a wave shape.
5. The ultraviolet air disinfecting respirator of claim 4, further comprising a clamp by which the first filter screen is secured over the first opening.
6. The ultraviolet air disinfecting respirator of claim 5, wherein the second opening is connected to the face mask by a threaded arrangement; and a pull ring for tying and buckling a rope belt is arranged on the other surface of the face mask which is jointed with the face.
7. The ultraviolet air sterilizer of any one of claims 2 to 6, wherein the first filter is made of dust-proof non-woven fabric.
8. The ultraviolet air sterilizer of any one of claims 2 to 6, wherein the second filter is made of a first spun-bonded nonwoven fabric, a melt-blown nonwoven fabric and a second spun-bonded nonwoven fabric which are laminated in this order.
9. The ultraviolet air disinfecting respirator of claim 8, wherein the first spunbond nonwoven and/or the second spunbond nonwoven is wrapped with activated carbon.
10. The ultraviolet air sterilizer of any one of claims 1 to 6, wherein the ultraviolet light source is an LED lamp light source or a mercury lamp light source; the material of the face guard and the face binding face is silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010166138.4A CN111228618A (en) | 2020-03-11 | 2020-03-11 | Ultraviolet air disinfection respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010166138.4A CN111228618A (en) | 2020-03-11 | 2020-03-11 | Ultraviolet air disinfection respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111228618A true CN111228618A (en) | 2020-06-05 |
Family
ID=70879097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010166138.4A Pending CN111228618A (en) | 2020-03-11 | 2020-03-11 | Ultraviolet air disinfection respirator |
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| Country | Link |
|---|---|
| CN (1) | CN111228618A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11806558B2 (en) | 2020-06-26 | 2023-11-07 | Clear Blew | Body-worn air-treatment devices and methods of deactivating pathogens |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2624909Y (en) * | 2003-05-12 | 2004-07-14 | 孙学政 | Portable electronic spectrum breathing equipment with sterilizing function |
| CN202822393U (en) * | 2012-10-26 | 2013-03-27 | 武洪霞 | Respirator for tuberculosis internal medicine department |
| CN205106453U (en) * | 2015-11-12 | 2016-03-30 | 王淑芳 | Protective facial mask with deactivation pathogenic organism function |
| CN206979853U (en) * | 2017-07-25 | 2018-02-09 | 民乐县疾病预防控制中心 | A kind of prevention from suffering from the diseases breathing sterilization mask |
-
2020
- 2020-03-11 CN CN202010166138.4A patent/CN111228618A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2624909Y (en) * | 2003-05-12 | 2004-07-14 | 孙学政 | Portable electronic spectrum breathing equipment with sterilizing function |
| CN202822393U (en) * | 2012-10-26 | 2013-03-27 | 武洪霞 | Respirator for tuberculosis internal medicine department |
| CN205106453U (en) * | 2015-11-12 | 2016-03-30 | 王淑芳 | Protective facial mask with deactivation pathogenic organism function |
| CN206979853U (en) * | 2017-07-25 | 2018-02-09 | 民乐县疾病预防控制中心 | A kind of prevention from suffering from the diseases breathing sterilization mask |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11806558B2 (en) | 2020-06-26 | 2023-11-07 | Clear Blew | Body-worn air-treatment devices and methods of deactivating pathogens |
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