CN209253716U - Ultraviolet sterilization device - Google Patents
Ultraviolet sterilization device Download PDFInfo
- Publication number
- CN209253716U CN209253716U CN201821667967.5U CN201821667967U CN209253716U CN 209253716 U CN209253716 U CN 209253716U CN 201821667967 U CN201821667967 U CN 201821667967U CN 209253716 U CN209253716 U CN 209253716U
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- light source
- reticular structure
- sterilization device
- ultraviolet sterilization
- ultraviolet
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses a kind of ultraviolet sterilization device and the equipment for being equipped with the sterilizing unit, wherein the sterilizing unit includes UVA light source, UVC light source and reticular structure, the UVA light source is more than or equal to 300nm for generation wavelength and is less than or equal to the ultraviolet light of 400nm, the UVC light source is more than or equal to 200nm for generation wavelength and is less than or equal to the ultraviolet light of 280nm, the reticular structure surface is covered with photocatalyst and has certain gap, ultraviolet light a part that the UVC light source generates is irradiated on the reticular structure, and a part penetrates the reticular structure.
Description
Technical field
The utility model relates to the fields of sterilizing, and particularly relate to a kind of ultraviolet-sterilization deodorizing device and setting using the device
It is standby.
Background technique
It is that a kind of novel sterilization eliminates the unusual smell mode that ultraviolet radiation for sterilizing and disinfecting, which eliminates the unusual smell, is had a extensive future on the market.
It is purple that ultraviolet light is generally divided into UVA (400~315nm), UVB (315~280nm), UVC (280~200nm) and vacuum
Four wave bands of outside line (200~100nm).It is ideal with the sterilization effect of UVC in this four wave bands, because of the wave band
Ultraviolet light can destroy the molecular structure of DNA (DNA) or RNA (ribonucleic acid) in microflora organisms cell,
The ability for making it lose self-replacation causes growth cell death and (or) regenerative cell dead, reaches sterilizing
Effect.
It is significantly killed experiments have shown that UVC ultraviolet light has the harmful organisms such as various harmful virus, bacterium, gemma, helminth
The killing effects such as the effect of going out, such as common Escherichia coli, staphylococcus aureus, salmonella, influenza virus are excellent.
UVA ultraviolet light irradiates specific photocatalyst, can effective decomposing organic pollutant, achieve the purpose that remove odors.
Its principle is photocatalyst under the irradiation by the light of effective wavelength, it may occur that it is extremely strong to produce oxidability for light-catalyzed reaction
Free hydroxy and active oxygen, have very excellent redox ability.Free hydroxy and active oxygen can aoxidize point
Various organic compounds and part inorganic pollution are solved, organic matter can be resolved into free of contamination water (H2) and (CO O2).UVA
Ultraviolet light, which irradiates specific photocatalyst, can also kill the harmful microorganisms such as part bacterium, but effect is general.
The prior art is only sterilized using UVC mostly, or only UVA eliminates the unusual smell, in certain applications such as refrigerator
Interior sterilizing deodoring, air purifier inner sterilization taste removal both of which have flaw.
Summary of the invention
The purpose of this utility model is to provide a kind of sterilizing unit that can overcome at least one disadvantage of prior art,
It is suitable for refrigerator, air-conditioning, air purifiers etc..
This kind of ultraviolet sterilization device includes at least a UVA light source, a UVC light source and a reticular structure, the net
Part other than shape structure hollow gap is covered with photocatalyst.Wherein, the UVA light source for generation wavelength be more than or equal to 300nm and
Ultraviolet light less than or equal to 400nm, the UVC light source are more than or equal to 200nm for generation wavelength and are less than or equal to 280nm
Ultraviolet light.
In the device, the reticular structure surface is covered with photocatalyst and has certain gap, what the UVC light source generated
Ultraviolet light a part is irradiated on the reticular structure, kills the harmful microorganism adsorbed by the reticular structure, another part
The hollow-out part other than gap and reticular structure through reticular structure, shines directly into be sterilized on object and plays bactericidal effect.
The ultraviolet light in the UVA light source postpartum has been irradiated on the photocatalyst on reticular structure, and photochemical reaction occurs, decomposes netted knot
The larger molecular organics adsorbed on structure and the harmful microbe residue being killed, have the function that innoxious eliminate the unusual smell.
Preferably, at least 10% penetrates the netted knot above by the gap in the light that the UVC light source emits
Structure.The output power for defining the UVC light source is A, then reaches 1/10A or more through the power of the UVC light of the reticular structure.
In one embodiment, which is set in the space of a such as cavity, kills the intracorporal bacterium of chamber, UVC light for source
Light a part of source transmitting is radiated on reticular structure surface, and defining some light is UVC1, and a part of light is from described
Gap penetrates the reticular structure, and defining some light is UVC 2, some is penetrated from the space other than reticular structure
Out, defining some light is UVC 3, and the output power for defining the UVC light source is B, the power B2's and B of light UCV 2
Relationship is preferably the B of B2 >=0.1, and the relationship that the general power for defining light UCV 2 and UVC 3 is B3 and B is preferably the B of B3 >=0.3,
In a specific embodiment, 0.5 B of B3 ≈.
Preferably, the reticular structure has adsorption capacity.In some embodiments, the reticular structure selects graphite
Alkene, reticular structure, which is located at, to be sterilized between object and light source, graphene mesh and is sterilized level in LED light emission direction side.One
Determine in space, can use the circulated air of the inside of refrigerator, air-conditioning, air purifier and the adsorption capacity of graphene, You Haiwei
Biology and there are the larger molecular organics etc. of peculiar smell to be adsorbed on graphene mesh.
Further, the reticular structure upright projection fretwork area and reticular structure upright projection gross area ratio 5% ~
Between 90%.
Further, the UVA light source and UVC light source at least respectively have one.
In some embodiments, the UVA light source and/or UVC light source include the LED light source of multiple series connections.
In some embodiments, the UVA light source and/or UVC light source include multiple LED light sources being connected in parallel.
In some embodiments, the UVA light source and/or UVC light source include the first LED light source group and the second LED light
Source group is connected in parallel between the first LED light source group and the second LED light source group, and the first LED light source group includes multiple concatenated first
LED light source, the second LED light source group include multiple concatenated second LED light sources.
Further, in the circuit board, LED and front are equipped with and can pass through UVA and UVC for UVA light source and the installation of UVC light source
The protective cover of ultraviolet light, plays the role of water proof and dust proof.
Further, the netted junction structure face at a distance from UVA light source and UVC light source >=5mm.
Further, the photocatalyst covered on the reticular structure is can be by the material of UVA ultraviolet catalyzed, such as nanometer two
Titanium oxide, nano zine oxide, nano zirconium dioxide etc., but not limited to this.
Preferably, photocatalyst is distributed in gross area ratio > 10% of area and reticular structure on reticular structure
Preferably, described device further includes the frame for fixing the reticular structure.In some embodiments, described
UVA light source and UVC light source are mounted on a wiring board, and the wiring board is connect with the frame.In some embodiments, described
Frame is equipped with fixing piece, for the sterilizing unit to be installed in a cavity.
The device may be implemented to sterilize, eliminate the unusual smell two functions, get good using effect by test.The device
It can be applied to the equipment that refrigerator, air purifier, air-conditioning etc. have sterilizing function.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages can pass through
Specifically noted structure is achieved and obtained in the specification, claims and drawings.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In addition, attached drawing data are
Summary is described, is not drawn to scale.
Fig. 1 is a kind of structural schematic diagram for the ultraviolet sterilization device implemented according to the utility model.
Fig. 2 is the structural schematic diagram of the reticular structure in device shown in FIG. 1.
Fig. 3 illustrates a kind of equipment for being equipped with ultraviolet sterilization device described in the utility model.
Fig. 4 illustrates equipment shown in Fig. 3 and is sterilized.
Specific embodiment
It is described in detail below with reference to sterilizing unit of the schematic diagram to the utility model, it is practical being further described
Before novel, it should be understood that due to that can be transformed to specific embodiment, the utility model is not limited to following
Specific embodiment.It is also understood that since the scope of the utility model is only defined by the following claims, it is used
Embodiment is introductory, rather than restrictive.
In the following description content, component similar or identical will be indicated with being identically numbered.
Please refer to attached drawing 1, a kind of ultraviolet sterilization device 100, including ultraviolet source module and reticular structure 140.Wherein
Reticular structure 140 is located on the light direction of ultraviolet source module.
Wherein, which includes 110 component of UVA light source, UVC light source assembly 120 and its drive control
(not shown) can also include further Power Supply Assembly.UVA light source assembly 110 for generation wavelength be greater than etc.
In 300nm and be less than or equal to 400nm ultraviolet light, UVC light source assembly 120 for generation wavelength be more than or equal to 200nm and
Ultraviolet light less than or equal to 280nm.Preferably, the UVA light source assembly 110 and UVC light source assembly 120 use LED lamp bead,
Ultraviolet source module may include one or more UVA lamp bead 110, one or more UVC lamp bead 120.One
In a embodiment, outer linear light source module includes 3-20 lamp bead.In UVA the and UVC lamp bead quantity of LED chip can for 1 or
The number of natural number greater than 1, LED chip can be selected according to factors such as power demands.In a specific embodiment, UVA
It is can be in light source assembly 110 and/or UVC light source assembly 120 comprising multiple series LED chips, multiple LED chip series connection connect
It connects, multiple LED chips will work at the same time, and improve the illumination effect of LED light source, and the output intensity of unit area will be higher, sterilization
It is more efficient.In another embodiment, it can be in UVA light source assembly 110 and/or UVC light source assembly 120 comprising multiple
LED chip improves the service life of LED light source.In another embodiment, UVA light source assembly 110 and/or UVC light source
Component 120 includes the first LED chip group and the second LED chip group.In the present embodiment, UVA light source 110 and UVC light source 120
It is respectively formed in different components.In further embodiments, UVA light source 110 and UVC light source 120 can be located at same
In lamp bead.Drive control and Power Supply Assembly may include switching device, timing means, power storage and release device etc., wherein
Switching device is used to control the starting or closing of the sterilizing function of ultraviolet source module, and timing means is for controlling UV LED's
Duration is sterilized, power storage and release device can be attaching plug or battery, for providing power supply to UV LED component.
Preferably, ultraviolet source module is installed on wiring board 130.Further, can also be equipped in the front of LED lamp bead can be saturating
The protective cover for crossing UVA and UVC ultraviolet light, plays the role of water proof and dust proof.
Reticular structure 140 is arranged on the light direction of ultraviolet source module, and surface is covered with a certain amount of light touching
Matchmaker, and there is certain gap 131, as shown in Figure 2.Preferably, reticular structure 140 has certain adsorption capacity, so works as
When the sterilizing unit 100 is installed in certain space, the inside that can use the equipment such as refrigerator, air-conditioning, air purifier is followed
The adsorption capacity of ring wind and reticular structure itself by harmful microorganism and has the larger molecular organics etc. of peculiar smell to be adsorbed onto netted knot
On structure.In the present embodiment, the material selection graphene of reticular structure 140, ultraviolet light a part that UVC light source 120 emits are shone
It is mapped on reticular structure 140, kills the harmful microorganism adsorbed by graphene, another part penetrates the gap 141 of reticular structure
It is irradiated to be sterilized on object with the hollow-out part other than reticular structure and plays bactericidal effect；The ultraviolet light that UVA light source 110 emits shines
Be mapped on the photocatalyst on reticular structure, photochemical reaction occur, decompose on graphene mesh the larger molecular organics that adsorb and
The harmful microbe residue being killed, has the function that innoxious eliminate the unusual smell.It should be appreciated that reticular structure 140
Material is not limited to graphene, can also be using active carbon, aluminium alloy etc..Preferably, netted junction structure face and ultraviolet
The distance in source is 5mm or more, and when distance between the two is too short, ultraviolet source is possible to can not the entire netted knot of uniform irradiation
Structure.Preferably, the distance of both control is 150mm or less.
Further, the upright projection gross area of the planimetric area and reticular structure in the gap 141 of reticular structure
Ratio is preferably 5% ~ 90%, is selected according to specific application.Corresponding to different equipment, the void designs meeting of reticular structure
There is difference, when the gap of reticular structure is larger, is conducive to UVC light source and kills the intracorporal bacterium of chamber, be relatively suitble to the application of refrigerator；Net
When the gap of shape structure is smaller, is conducive to taste removal and kills the bacterium on reticular structure, be relatively suitble to air-conditioning, air purifier
Deng.In some embodiments, when sterilizing unit 100 is applied to refrigerator, which is generally disposed in fresh-keeping chamber, net
Shape structure 140, which is located at, to be sterilized between object (such as food materials) and ultraviolet light source, the ultraviolet light one that UVC light source 120 issues at this time
On partial illumination to reticular structure 140, another part, which shines directly into, to be sterilized the surface of object and is sterilized, therefore reticular structure
140 141 diameter of gap is preferably 0.5mm ~ 3mm, such as 1mm, and the planimetric area in gap 141 is vertical with reticular structure
The ratio for projecting the gross area is preferably 30% ~ 90%, such as can be 50% ~ 60%.In further embodiments, the sterilizing unit
100 when being applied to air-conditioning, which may be disposed in filter, and emphasis is sterilized for air, control gap
Size and area are adsorbed onto reticular structure so that harmful microorganism in air and the larger molecular organics for having peculiar smell etc. are most of,
Therefore 141 diameter of gap of reticular structure is preferably 0.2mm ~ 1.5mm, for example, 0.5mm, planimetric area and netted knot
The ratio of the upright projection gross area of structure is preferably 30% ~ 60%, such as can be 40%, and reticular structure 140 can be by there is work at this time
Property layer of charcoal, pure and fresh oxidant layer and nonwoven layer constitute.
Further, photocatalyst be distributed in area and reticular structure on reticular structure 140 gross area ratio be 10% with
On.Photocatalyst be can by the material of UVA ultraviolet catalyzed, such as nano-titanium dioxide, nano zine oxide, nano zirconium dioxide,
But not limited to this.
Further, which can also include a frame 150, and wherein reticular structure is fixed on the frame
On 150.Preferably, wiring board 130 is connect with frame 150.The equipment such as refrigerator are mounted in order to facilitate the sterilizing unit 100
On, fixing piece 160 can also be designed, which can be located at the outer edge of frame 150, as shown in Figure 1, the fixing piece
160 can also be designed on wiring board 130.
Although reticular structure 140 is fixed on frame 140 in device shown in FIG. 1, however, it is not limited to this, at other
In embodiment, reticular structure 140 is also possible to a plate structure, is fixed there is no specific frame, is being applied to root
According to being placed, such as a fixed structure is set in the equipment of this sterilizing unit to be installed, the net assembling structure is directly solid
Due in equipment.
Fig. 3 simply illustrates the equipment for being equipped with above-mentioned sterilizing unit 100, which can be one kind of such as refrigerator
Product has the cavity 200 for placing article 300, and sterilizing unit 100 is installed in cavity 200, wherein reticular structure 140
It is placed between ultraviolet source and article 300.In some embodiments, which also has air circulation system, sterilizes at this time
Device 100 is installed preferably adjacent to air circulation system, so that the flowing of chamber intracorporal partial air is by ultraviolet source towards stone
Reticular structure flowing, as shown in Figure 3.
Fig. 4 simply illustrates the schematic diagram that above-mentioned sterilizing unit is sterilized in a device.In this configuration, reticular structure
A certain amount of photocatalyst is covered on 140, and there are certain gaps 141；In certain space, the circulation inside equipment is utilized
The adsorption capacity of wind and reticular structure 140 itself, harmful microorganism and to have the larger molecular organics etc. of peculiar smell to be adsorbed to netted
In structure 140, a part of ultraviolet (UV) C 1 that UVC light source 120 emits at this time is irradiated on reticular structure 140, is killed by net
The harmful microorganism of shape structure absorption, another part ultraviolet (UV) C 2 and UVC 3 are respectively through the gap of reticular structure and netted
Space other than structure, which shines directly into be sterilized on object 300, plays bactericidal effect.Define UVC light source 120 output power be
The relationship of the power A2 and A of WA, light UCV 2 are preferably the general power A3 and A of the A of A2 >=0.1, light UCV 2 and UVC 3
Relationship is preferably the A of A3 >=0.3, in a specific embodiment, 0.5 A of A3 ≈.The ultraviolet light that UVA light source 110 emits is irradiated to
On photocatalyst on reticular structure, photochemical reaction occurs, decompose the larger molecular organics adsorbed on reticular structure and is killed
The harmful microbe residue to go out, has the function that innoxious eliminate the unusual smell.The above, the only implementation of the utility model
Example, cannot limit the claim of the utility model with this.It is all according to present utility model application the scope of the patents and new practical
Equivalent changes and modifications made by specification, in the covering scope for still belonging to the utility model patent.
Claims (15)
1. a kind of ultraviolet sterilization device, includes UVA light source, UVC light source and reticular structure, the UVA light source is used for generation wavelength
More than or equal to 300nm and less than or equal to the ultraviolet light of 400nm, the UVC light source is more than or equal to 200nm for generation wavelength
And it is less than or equal to the ultraviolet light of 280nm, it is characterised in that: the reticular structure surface is covered with photocatalyst and has certain sky
Gap, ultraviolet light a part that the UVC light source generates are irradiated on the reticular structure, and a part penetrates the reticular structure.
2. ultraviolet sterilization device according to claim 1, it is characterised in that: in the light of the UVC light source transmitting at least
10% or more penetrates the reticular structure.
3. ultraviolet sterilization device according to claim 1, it is characterised in that: the light emission direction phase of the UVC and UVA light source
Together, the reticular structure is located at light source luminescent direction side.
4. ultraviolet sterilization device according to claim 1, it is characterised in that: the reticular structure is at a distance from the light source
For 5mm or more.
5. ultraviolet sterilization device according to claim 1, it is characterised in that: the upright projection in the gap of the reticular structure
The ratio of the upright projection gross area of area and the reticular structure is between 5% ~ 90%.
6. ultraviolet sterilization device according to claim 1, it is characterised in that: the photocatalyst is distributed in the reticular structure
On area and the reticular structure gross area ratio be 10% or more.
7. ultraviolet sterilization device according to claim 1, it is characterised in that: the UVA light source and UVC light source are LED light
Source.
8. ultraviolet sterilization device according to claim 7, it is characterised in that: the UVA light source and/or UVC light source include
Multiple LED light sources.
9. ultraviolet sterilization device according to claim 7, it is characterised in that: the UVA light source and/or UVC light source include
First LED light source group and the second LED light source group, are connected in parallel, first between the first LED light source group and the second LED light source group
LED light source group includes multiple concatenated first LED light sources, and the second LED light source group includes multiple concatenated second LED light sources.
10. ultraviolet sterilization device according to claim 7, it is characterised in that: the luminous side of the LED light source is equipped with saturating
The protective cover of ultraviolet light.
11. ultraviolet sterilization device according to claim 1, it is characterised in that: the reticular structure has adsorption capacity.
12. ultraviolet sterilization device according to claim 1, it is characterised in that: the photocatalyst can be urged by UVA ultraviolet light
Change.
13. ultraviolet sterilization device according to claim 1, it is characterised in that: further include for fixing the reticular structure
Frame.
14. ultraviolet sterilization device according to claim 13, it is characterised in that: the UVA light source and UVC light source are mounted on
On one wiring board, the wiring board is connect with the frame.
15. ultraviolet sterilization device according to claim 13, it is characterised in that: the frame is equipped with fixing piece, and being used for will
The sterilizing unit is installed in an equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821667967.5U CN209253716U (en) | 2018-10-15 | 2018-10-15 | Ultraviolet sterilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821667967.5U CN209253716U (en) | 2018-10-15 | 2018-10-15 | Ultraviolet sterilization device |
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| Publication Number | Publication Date |
|---|---|
| CN209253716U true CN209253716U (en) | 2019-08-16 |
Family
ID=67558358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821667967.5U Active CN209253716U (en) | 2018-10-15 | 2018-10-15 | Ultraviolet sterilization device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110917369A (en) * | 2019-10-23 | 2020-03-27 | 电子科技大学中山学院 | Sterilizing and deodorizing box |
| CN111870729A (en) * | 2020-06-16 | 2020-11-03 | 西安交通大学 | Human-computer coexistence in-vitro new coronavirus optical killing method |
| CN113082239A (en) * | 2021-03-30 | 2021-07-09 | 湖北协进半导体科技有限公司 | LED sterilization and disinfection lamp with double-ultraviolet-light-gain interlayer packaging |
| WO2021155616A1 (en) * | 2020-02-09 | 2021-08-12 | 厦门哈夭德企业管理有限公司 | Disinfecting, sterilizing and purifying apparatus |
| WO2022203599A1 (en) * | 2021-03-22 | 2022-09-29 | Opulent Electronics International Pte. Ltd. | Device, system and method for providing disinfection |
-
2018
- 2018-10-15 CN CN201821667967.5U patent/CN209253716U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110917369A (en) * | 2019-10-23 | 2020-03-27 | 电子科技大学中山学院 | Sterilizing and deodorizing box |
| WO2021155616A1 (en) * | 2020-02-09 | 2021-08-12 | 厦门哈夭德企业管理有限公司 | Disinfecting, sterilizing and purifying apparatus |
| CN111870729A (en) * | 2020-06-16 | 2020-11-03 | 西安交通大学 | Human-computer coexistence in-vitro new coronavirus optical killing method |
| WO2022203599A1 (en) * | 2021-03-22 | 2022-09-29 | Opulent Electronics International Pte. Ltd. | Device, system and method for providing disinfection |
| CN113082239A (en) * | 2021-03-30 | 2021-07-09 | 湖北协进半导体科技有限公司 | LED sterilization and disinfection lamp with double-ultraviolet-light-gain interlayer packaging |
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