CN212282321U - Circulating air multi-directional ultraviolet irradiation disinfection system and disinfection device with same - Google Patents
Circulating air multi-directional ultraviolet irradiation disinfection system and disinfection device with same Download PDFInfo
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- CN212282321U CN212282321U CN202020884268.7U CN202020884268U CN212282321U CN 212282321 U CN212282321 U CN 212282321U CN 202020884268 U CN202020884268 U CN 202020884268U CN 212282321 U CN212282321 U CN 212282321U
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Abstract
The utility model discloses a circulating air multi-azimuth ultraviolet irradiation disinfection system and a disinfection device with the same, which comprises an installation cylinder and a disinfection channel; a plurality of groups of reflecting surfaces are formed inside the disinfection channel, and the plurality of groups of reflecting surfaces are mutually overlapped and/or distributed in parallel to form a composite reflecting surface; ultraviolet rays irradiated by the ultraviolet lamp form multi-angle reflection through the composite reflecting surface; the distance between the reflecting surface far away from the axis of the disinfection channel and the axis of the disinfection channel is 40mm to 200 mm; the disinfection structure of the utility model adopts a physical disinfection method, and utilizes the reflection surface of strong reflection ultraviolet materials such as aluminum or tin or galvanized and expanded polytetrafluoroethylene to reflect ultraviolet light so as to kill bacteria and viruses; wherein disinfection passageway internal reflection face design is the compound plane of reflection of multi-angle, can realize multi-angle reflection in the unit interval, and when bacterium, virus passed through the disinfection passageway, ultraviolet ray can follow each angle and shine, kill to bacterium, virus, improves the disinfection effect.
Description
Technical Field
The utility model relates to a disinfection system technical field especially relates to a diversified ultraviolet irradiation disinfection system of circulated air and degassing unit who has it.
Background
New coronaviruses spread throughout the world and become a major global event. The disinfection problem of the closed space is related to human safety and health, and is a necessary condition for recovering normal life all over the world.
If it is applied to vehicles such as automobiles, passenger cars, taxis, buses, trains, high-speed rails, subways, airplanes, ships and other related infrastructures, such as stations, airports, waiting rooms and the like; the air disinfection in living and working places such as families, offices, factory buildings, meeting rooms, classrooms of schools, hospitals, markets, hotels and restaurants, movie theaters, gymnasiums, museums, public toilets and other living and working buildings has important practical significance.
Air disinfection generally adopts a chemical method and a physical method, wherein the chemical method is mainly peracetic acid, chlorine dioxide, 75% alcohol, vinegar, hydrogen peroxide, ozone and the like; the physical method adopts Ultraviolet (UV) air dynamic disinfection technology and the like. The chemical method can cause some toxic and side effects while disinfecting.
Ultraviolet rays are electromagnetic waves having a wavelength of 100nm to 400nm, and are classified into: vacuum ultraviolet region (100 nm-200nm), UVC (200nm-280nm), UCB (280nm-320nm), UVA (320 nm-400 nm). Vacuum ultraviolet rays have a very low penetrating power in air although they have a very high energy, and are almost completely absorbed by substances in air on the surface of a lamp to generate ozone, which can be sterilized, but is harmful to human bodies. The secondary standard of environmental air quality standard GB3095-2012 (applicable to urban environmental air) stipulates that the average value of the ozone concentration in 1 hour cannot exceed 100ppb, and the ozone limit value of indoor air quality standard GB/T18883-2002 is 80 ppb.
The ultraviolet absorption peak of the genetic material nucleic acid of the virus and the microorganism is in a UVC interval, the nucleic acid is taken as an important genetic material, when the nucleic acid is irradiated and absorbed by ultraviolet, a tissue structure is damaged, thymine dimer (TT) is formed in DNA, uracil dimer (UU) is formed in RNA, the virus and the microorganism lose the replication and transcription capability, and the virus and the microorganism die, although the ultraviolet absorption peaks of different types of viruses and microorganisms are not completely the same, the absorption peaks of a plurality of viruses and microorganisms are in a 240 nm-280nm interval, the ultraviolet near 260nm is a band with the highest disinfection and sterilization rate, and the ultraviolet lamp with the wavelength of 253.7nm has strong disinfection and sterilization capability except that the maximum absorption peak of individual microorganisms such as MS-2 bacteriophage, tobacco mosaic virus and the like is below 230 nm. Ultraviolet rays also have certain destructive effect on proteins, enzymes, sugars and other substances of microorganisms, the proteins absorb the ultraviolet rays mainly by the amino acids which form the unit, and the ultraviolet rays can destroy chemical groups on the amino acids, so that the structures of the amino acids are destroyed, the proteins are inactivated, and then viruses are inactivated to kill the microorganisms; ultraviolet rays can also inactivate enzymes necessary for the survival of microorganisms, leading to the reduction of the activity of the microorganisms, and can also destroy the ribose chains, thereby leading to the inhibition and stop of the metabolism of the microorganisms and further leading to the inactivation of dead viruses of the microorganisms. Direct ultraviolet irradiation is harmful to human health, people cannot enter the ultraviolet irradiation disinfection period, and people only need to be disinfected in most cases due to the existence of people.
In recent years, a filtration type circulating air sterilizing apparatus in which ultraviolet rays are confined in a machine has been used, but the system is complicated, the cost is high, and secondary pollution is easily caused by improper operation.
Therefore, in view of the above technical problems, there is a need for a circulating air multi-directional ultraviolet radiation disinfection system and a disinfection device having the same.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a have compound plane of reflection in order to improve unit interval reflection number of times, direction, improve the diversified ultraviolet irradiation disinfection system of circulated air and have its degassing unit to the probability of shining of bacterium, virus.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a diversified ultraviolet irradiation disinfection system of circulated air, this structure includes:
the mounting cylinders are positioned at two ends; and
a disinfection channel connected between the mounting cylinders at two ends;
the ultraviolet lamp is electrically connected with the ultraviolet reflector and arranged along the extending direction of the disinfection channel;
a plurality of groups of reflecting surfaces are formed inside the disinfection channel, and the plurality of groups of reflecting surfaces are mutually overlapped and/or distributed in parallel to form a composite reflecting surface;
ultraviolet rays irradiated by the ultraviolet lamp form multi-angle reflection through the composite reflecting surface;
the distance between the reflecting surface far away from the axis of the disinfection channel and the axis of the disinfection channel is 40mm to 200 mm;
the structure further includes:
the exhaust fan is integrated with the mounting cylinder at the other end;
the mounting cylinder integrated with the ultraviolet emitter is configured as an air inlet, and the mounting cylinder integrated with the exhaust fan is configured as an air outlet;
air enters the disinfection channel from the air inlet through the exhaust fan and is discharged from the air outlet.
Further, the disinfection channel is at least made of aluminum or tin or galvanized or expanded polytetrafluoroethylene on the inner wall;
the reflecting surface of the inner wall of the disinfection channel is configured to be protruded out of the polygonal convex structure and/or the arc convex structure of the inner wall of the disinfection channel.
Further, when the reflecting surface of the inner wall of the disinfection channel is configured as a polygonal protruding structure, the extending angle of the structural surface of the polygonal protruding structure is 0 ° to 180 °.
Furthermore, the ultraviolet lamp is a group of lamp wicks extending along the axial direction of the disinfection channel or a plurality of groups of lamp wicks extending along the axial direction of the disinfection channel and distributed in a snake shape;
the ultraviolet lamp is arranged at the center of the disinfection channel.
Furthermore, the air inlet and the air outlet are both fixed with cotton cloth layers;
the cotton layer includes cotton and titanium dioxide polyester sponge.
Further, a closed cylinder with the length matched with that of the disinfection channel is integrated on the outer portion of the disinfection channel.
Furthermore, the ultraviolet lamp is an ozone-free UVC ultraviolet lamp with the wavelength of about 260 nm.
The utility model discloses a sterilizing device, this sterilizing device internal integration have as above the diversified ultraviolet irradiation disinfection system of circulated air.
In the technical scheme, the utility model provides a pair of diversified ultraviolet irradiation disinfection system of circulated air and degassing unit who has it has following beneficial effect:
the disinfection structure of the utility model adopts a physical disinfection method, and utilizes the reflection surface of strong reflection ultraviolet materials such as aluminum or tin or galvanized and expanded polytetrafluoroethylene to reflect ultraviolet light so as to kill bacteria and viruses; the inner reflecting surface of the disinfection channel is designed into a multi-angle composite reflecting surface, so that multi-angle reflection in unit time can be realized, when bacteria and viruses pass through the disinfection channel, ultraviolet light can irradiate and kill the bacteria from various angles, and the disinfection effect is improved;
the utility model discloses a disinfection structure has designed the distance of plane of reflection apart from the axis of disinfection passageway, promptly with the maximum distance of bacterium, virus, according to ultraviolet irradiation distance and the characteristic that the luminous intensity is the inverse ratio, guarantees bacterium, virus killing effect and quality.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
FIG. 1 is a schematic structural view of a circulating air multi-directional ultraviolet irradiation disinfection system provided by an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the circulating air multi-directional ultraviolet irradiation disinfection system provided by the embodiment of the present invention;
FIG. 3 is a cross-sectional view of the circulating air multi-directional ultraviolet irradiation disinfection system integrated with a closed cylinder and a cotton cloth layer;
fig. 4 is a first distribution diagram of the reflecting surface of the circulating air multi-directional ultraviolet irradiation disinfection system provided by the embodiment of the present invention;
FIG. 5 is a second distribution diagram of the reflecting surfaces of the circulating air multi-directional UV irradiation disinfection system according to the embodiment of the present invention;
fig. 6 is a schematic structural view of a bent arrangement of the circulating air multi-directional ultraviolet irradiation disinfection system provided by the embodiment of the present invention.
Description of reference numerals:
1. mounting the cylinder; 2. a disinfection channel; 3. an ultraviolet reflector; 4. an exhaust fan; 5. bacteria, viruses; 6. a closed cartridge; 7. cotton cloth and titanium dioxide polyester sponge;
201. a reflective surface;
301. an ultraviolet lamp.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The first embodiment is as follows:
see fig. 1-6;
the utility model discloses a diversified ultraviolet irradiation disinfection system of circulated air, this structure includes:
the mounting cylinders 1 are positioned at two ends; and
a sterilizing channel 2 connected between the mounting cylinders 1 at both ends;
an ultraviolet lamp 301 which is integrated with the ultraviolet emitter 3 on the mounting cylinder 1 at one end, is electrically connected with the ultraviolet reflector 3 and is arranged along the extending direction of the disinfection channel 2;
a plurality of groups of reflecting surfaces 201 are formed inside the disinfection channel 2, and the plurality of groups of reflecting surfaces 201 are mutually overlapped and/or distributed in parallel to form a composite reflecting surface;
ultraviolet rays irradiated by the ultraviolet lamp 301 form multi-angle reflection through the composite reflecting surface;
the distance between the reflecting surface 201 far away from the axis of the disinfection channel 2 and the axis of the disinfection channel 2 is 40mm to 200 mm;
the structure further includes:
an exhaust fan 4 integrated at the other end of the mounting tube 1;
the installation cylinder 1 integrated with the ultraviolet emitter 3 is configured as an air inlet, and the installation cylinder 1 integrated with the exhaust fan 4 is configured as an air outlet;
air enters the disinfection channel 2 from the air inlet through the exhaust fan 4 and is exhausted from the air outlet.
Specifically, the present embodiment first discloses a circulating air multi-directional ultraviolet irradiation disinfection system, which introduces air outside the structure into the disinfection channel 2 by using a circulating air principle, and kills bacteria and viruses in the disinfection channel 2 by using ultraviolet light generated by the ultraviolet reflector 3 to realize air disinfection. Meanwhile, the inner wall of the disinfection channel 2 of the present embodiment is formed as a reflection surface 201, which is different from the reflection structure of the prior art, the reflection surface 201 of the present embodiment adopts an irregular reflection surface structure, so as to realize multi-angle reflection of ultraviolet light, and multiple groups of reflection surfaces 201 can be arranged in a mutually overlapping manner, or can be arranged in a parallel manner, and simultaneously, can be arranged in a manner of overlapping and parallel existing simultaneously, and finally, the purpose is to form the irregular reflection surface 201. Since the radiation intensity of the ultraviolet light is significantly reduced with the increase of the irradiation distance, the distance of the reflecting surface 201 of the present embodiment with respect to the axis of the disinfection passage 2 is most preferably set to 40mm to 200 mm; the distance between the reflecting surface 201 and the axis of the disinfection channel 2 is limited, so that the bacteria and viruses 5 on the axis of the disinfection channel 2 are farthest from the reflecting surface 201, and the distance value at the position is limited to ensure that the distances between the reflecting surfaces 201 at other positions are within the distance range, so that the ultraviolet light can be ensured to fully kill the bacteria and viruses 5.
In addition, the ultraviolet reflector 3 of this embodiment emits ultraviolet light in the mode of ultraviolet lamp 301, and the ultraviolet light shines in disinfection passageway 2 and forms multi-angle reflection through above-mentioned compound reflecting surface, has realized the design requirement of shining bacterium, virus 5 in multi-angle ground, compares traditional disinfection system, and the 2 unit interval of disinfection passageway of this embodiment can shine bacterium, virus 5 angles more, shine more abundant.
Ultraviolet rays are electromagnetic waves having a wavelength of 100nm to 400nm, and are classified into: vacuum ultraviolet region (100 nm-200nm), UVC (200nm-280nm), UCB (280nm-320nm), UVA (320 nm-400 nm). Vacuum ultraviolet rays have a very low penetrating power in air although they have a very high energy, and are almost completely absorbed by substances in air on the surface of a lamp to generate ozone, which can be sterilized, but is harmful to human bodies. The secondary standard of environmental air quality standard GB3095-2012 (applicable to urban environmental air) stipulates that the average value of the ozone concentration in 1 hour cannot exceed 100ppb, and the ozone limit value of indoor air quality standard GB/T18883-2002 is 80 ppb.
The ultraviolet absorption peak of the genetic material nucleic acid of the virus and the microorganism is in a UVC interval, the nucleic acid is taken as an important genetic material, when the nucleic acid is irradiated and absorbed by ultraviolet, a tissue structure is damaged, thymine dimer (TT) is formed in DNA, uracil dimer (UU) is formed in RNA, the virus and the microorganism lose the replication and transcription capability, and the virus and the microorganism die, although the ultraviolet absorption peaks of different types of viruses and microorganisms are not completely the same, the absorption peaks of a plurality of viruses and microorganisms are in a 240 nm-280nm interval, the ultraviolet near 260nm is a band with the highest disinfection and sterilization rate, and the ultraviolet lamp with the wavelength of 253.7nm has strong disinfection and sterilization capability except that the maximum absorption peak of individual microorganisms such as MS-2 bacteriophage, tobacco mosaic virus and the like is below 230 nm.
The ultraviolet lamp 301 of this embodiment is an ozone-free UVC ultraviolet lamp with a wavelength of about 260 nm.
Preferably, in this embodiment, the disinfection channel 2 is made of a material with at least an inner wall made of a material with strong ultraviolet reflection, such as aluminum, tin, galvanized or expanded polytetrafluoroethylene;
the reflecting surface 201 of the inner wall of the disinfection passage 2 is configured as a polygonal convex structure and/or an arc convex structure protruding from the inner wall of the disinfection passage 2.
The material of the inner wall of the disinfection channel 2 has certain requirements for realizing the reflection of ultraviolet light, and the material of the inner wall of the disinfection channel 2 needs to be strong reflection ultraviolet material such as aluminum, tin, galvanized or expanded polytetrafluoroethylene and the like, so as to realize the reflection to the maximum extent.
In addition, the reflecting surface 201 of the present embodiment may adopt a polygonal convex structure, or an arc convex structure, or both of them may be used simultaneously. For example, the first structural form of the reflecting surface 201 may be a triangular protruding structure protruding from the inner wall of the disinfection channel 2, and both inclined surfaces on both sides of the triangular protruding structure may be used as reflecting surfaces; the second structure form of the reflecting surface 201 can be a quadrilateral body convex structure protruding out of the inner wall of the disinfection channel 2, and except for one side surface of the quadrilateral body coinciding with the inner wall, the other side surface and the five side surfaces can be used as reflecting surfaces; in addition, the third structural form of the reflecting surface 201 may also be an arc-shaped protruding structure protruding from the inner wall, and the arc-shaped surface of the arc-shaped protruding structure may reflect ultraviolet light. The reflecting surface 201 of the present embodiment may be combined in various ways, and the above-mentioned protruding structures may be used singly, or the above-mentioned multiple groups of protruding structures may be used in combination. Thus, an irregular multi-angle reflecting surface structure can be formed.
In addition, based on the arrangement of the reflective surfaces 201 described above, the reflective surfaces 201 of the present embodiment may be formed in a parallel arrangement, a superimposed arrangement, or even a partially superimposed arrangement.
Preferably, when the reflective surface of the inner wall of the disinfection passage 2 of the present embodiment is configured as a polygonal protrusion structure, the extension angle of the structural surface of the polygonal protrusion structure is 0 ° to 180 °.
Preferably, the arrangement of the ultraviolet lamps 301 can be divided into the following two types according to the extending length of the disinfection channel 2 and the requirement of the use environment:
the first method comprises the following steps: the ultraviolet lamp 301 is a group of lamp wicks extending along the axial direction of the disinfection channel 2; the first ultraviolet lamp 301 disclosed in this embodiment may be a lamp wick, and extends along the extending direction of the disinfection channel 2, and in order to improve the killing effect, the lamp wick needs to be disposed at the axis of the disinfection channel 2 to achieve uniform irradiation.
And the second method comprises the following steps: a plurality of groups of lamp wicks which extend along the axis of the disinfection channel 2 and are distributed in a snake shape;
the ultraviolet lamp 301 is disposed at a central position of the sterilizing tunnel 2.
If the length of the disinfection channel 2 is limited and the applied environmental space is limited, the disinfection channel 2 and the wick can be bent appropriately to reduce the space occupied by the disinfection channel 2 and the wick in order to ensure the irradiation effect. To achieve a curved arrangement of the ultraviolet lamp 301, the ultraviolet lamp 301 of the present embodiment may employ an LED ultraviolet lamp.
Preferably, in this embodiment, the air inlet and the air outlet are both fixed with cotton cloth layers;
the cotton cloth layer comprises cotton cloth and titanium dioxide polyester sponge 7.
Because ultraviolet light 301 need avoid the people to contact when using, and avoid ultraviolet light 301 to leak, this embodiment covers the cotton layer in air intake and air outlet department, and cotton and titanium dioxide polyester sponge 7 are chooseed for use to the material on cotton layer, and it can furthest absorbs the ultraviolet light of shining in this department, avoids the ultraviolet light to be jetted out by air intake or air outlet to improve the security.
Example two:
in order to be able to further increase the mechanical strength and the light-tightness of the disinfection channel 2, a closure cylinder 6 is integrated on the outside of the disinfection channel 2, the length of which matches that of the disinfection channel 2. The material of the closed cylinder 6 can adopt rubber material, or other lighttight hard materials or soft materials, and the disinfection channel 2 is completely wrapped inside, so that the lighttightness is further improved.
Example three:
the utility model discloses a sterilizing device, this sterilizing device internal integration have as above the diversified ultraviolet irradiation disinfection system of circulated air.
The disinfection structure disclosed in the first and second embodiments can be directly integrated in a purifier as a circulating air channel, that is, in the disinfection device of the present embodiment, air is driven to flow by the exhaust fan 4, and ultraviolet light in the disinfection channel 2 kills bacteria 5, so that purification and disinfection of indoor air are finally realized.
In addition, the disinfection channel of the embodiment can be formed into a folding structure or a bent structure according to the volume of the disinfection device and the space limitation of an application place, the occupied space is further reduced while the path length is ensured, and the disinfection device is convenient to use in a limited space such as an automobile.
In the technical scheme, the utility model provides a pair of diversified ultraviolet irradiation disinfection system of circulated air and degassing unit has following beneficial effect:
the disinfection structure of the utility model adopts a physical disinfection method, and utilizes the reflection surface 201 of strong reflection ultraviolet materials such as aluminum, tin, galvanized or expanded polytetrafluoroethylene to reflect ultraviolet light so as to kill bacteria and viruses 5; the internal reflection surface 201 of the disinfection channel 2 is designed into a multi-angle composite reflection surface, so that multi-angle reflection in unit time can be realized, when bacteria 5 pass through the disinfection channel 2, ultraviolet light can irradiate and kill the bacteria and viruses 5 from various angles, and the disinfection effect is improved;
the utility model discloses a disinfection structure has designed the distance of plane of reflection 201 apart from disinfection passageway 2's axis, promptly with bacterium 5's maximum distance, according to ultraviolet irradiation distance and the characteristic that the luminous intensity is the inverse ratio, guarantees bacterium 5 effect and the quality of killing.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. Diversified ultraviolet irradiation disinfection system of circulated air, its characterized in that, this structure includes:
the mounting cylinders (1) are positioned at two ends; and
a disinfection channel (2) connected between the mounting cylinders (1) at two ends;
the ultraviolet emitter (3) is integrated on the mounting cylinder (1) at one end, and the ultraviolet lamp (301) is electrically connected with the ultraviolet emitter (3) and arranged along the extending direction of the disinfection channel (2);
a plurality of groups of reflecting surfaces (201) are formed inside the disinfection channel (2), and the plurality of groups of reflecting surfaces (201) are mutually overlapped and/or distributed in parallel to form a composite reflecting surface;
ultraviolet rays irradiated by the ultraviolet lamp (301) form multi-angle reflection through the composite reflecting surface;
the distance between the reflecting surface (201) far away from the axis of the disinfection channel (2) and the axis of the disinfection channel (2) is 40mm to 200 mm;
the structure further includes:
an exhaust fan (4) integrated with the other end of the mounting cylinder (1);
the mounting cylinder (1) integrated with the ultraviolet emitter (3) is configured as an air inlet, and the mounting cylinder (1) integrated with the exhaust fan (4) is configured as an air outlet;
air enters the disinfection channel (2) from the air inlet through the exhaust fan (4) and is discharged from the air outlet.
2. The circulated air multi-azimuth ultraviolet irradiation disinfection system as claimed in claim 1, wherein said disinfection tunnel (2) is made of aluminum or tin or galvanized or expanded polytetrafluoroethylene at least on the inner wall;
the reflecting surface (201) of the inner wall of the disinfection channel (2) is configured to be a polygonal convex structure and/or an arc convex structure protruding out of the inner wall of the disinfection channel (2).
3. A circulated air multi-azimuth uv irradiation disinfection system as claimed in claim 2, wherein the reflective surface of the inner wall of the disinfection tunnel (2) is configured as a polygonal protrusion structure, the extension angle of the structural surface of the polygonal protrusion structure is 0 ° to 180 °.
4. The circulated air multi-azimuth ultraviolet irradiation disinfection system according to claim 2, wherein the ultraviolet lamps (301) are a set of lamp wicks extending along the axial direction of the disinfection channel (2), or a plurality of sets of lamp wicks extending along the axial direction of the disinfection channel (2) and distributed in a serpentine shape;
the ultraviolet lamp (301) is arranged in the center of the disinfection channel (2).
5. The circulated air multi-azimuth ultraviolet irradiation disinfection system as claimed in claim 1, wherein a cotton cloth layer is fixed to both the air inlet and the air outlet;
the cotton cloth layer comprises cotton cloth and titanium dioxide polyester sponge (7).
6. A circulating air multi-azimuth uv irradiation disinfection system as claimed in claim 1, characterized in that outside of said disinfection tunnel (2) a closed cartridge (6) is integrated with a length matching said disinfection tunnel (2).
7. The circulated air multi-azimuth ultraviolet irradiation disinfection system as claimed in claim 1, wherein said ultraviolet lamp (301) is an ozone-free UVC ultraviolet lamp with a wavelength of 260 nm.
8. A disinfection apparatus incorporating a circulating air multi-azimuth uv irradiation disinfection system as claimed in any one of claims 1 to 7 therein.
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| CN202020884268.7U CN212282321U (en) | 2020-05-22 | 2020-05-22 | Circulating air multi-directional ultraviolet irradiation disinfection system and disinfection device with same |
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| CN202020884268.7U CN212282321U (en) | 2020-05-22 | 2020-05-22 | Circulating air multi-directional ultraviolet irradiation disinfection system and disinfection device with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022214657A1 (en) * | 2021-04-09 | 2022-10-13 | Signify Holding B.V. | Reflected light air disinfection chamber with limited light escape. |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022214657A1 (en) * | 2021-04-09 | 2022-10-13 | Signify Holding B.V. | Reflected light air disinfection chamber with limited light escape. |
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