CN218608816U - Ultraviolet ray and photocatalyst combined multiple disinfection, sterilization and odor removal structure - Google Patents
Ultraviolet ray and photocatalyst combined multiple disinfection, sterilization and odor removal structure Download PDFInfo
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- CN218608816U CN218608816U CN202220124885.6U CN202220124885U CN218608816U CN 218608816 U CN218608816 U CN 218608816U CN 202220124885 U CN202220124885 U CN 202220124885U CN 218608816 U CN218608816 U CN 218608816U
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Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model relates to an air purification equipment technical field especially relates to a multiple disinfection of ultraviolet ray combination photocatalyst removes flavor structure, including metal casing, fan and ultraviolet LED support plate, the fan is installed in metal casing's bottom, and ultraviolet LED support plate and metal casing's inner wall interconnect are formed with the disinfection retort room in the metal casing, and ultraviolet LED support plate setting is connected with the photocatalyst support plate in the upper end of disinfection retort room in the inside of disinfection retort room, the utility model discloses at metal casing, the photocatalyst support plate is connected to the upper end of disinfection retort roomPhotocatalyst material TiO is loaded on photocatalyst carrier plate with foam structure 2 Air or aerosol with virus and bacteria is input into the structure under the action of a fan or other convection to irradiate ultraviolet rays on the surfaces of the photocatalyst plate and the inner wall of the disinfection and sterilization chamber and air, so that the DNA and RNA structures of various viruses and bacterial cells are damaged, the cells cannot regenerate, and the bacteria and the viruses lose the self-replication capacity, thereby achieving the purposes of disinfection and sterilization.
Description
Technical Field
The utility model relates to a disinfection field equipment technical field relates to an ultraviolet ray combines multiple disinfection of photocatalyst to disinfect and removes flavor structure.
Background
As is known, a plurality of viruses and bacteria are transmitted through air, a disinfected and sterilized air environment not only protects and protects the personal health, but also is beneficial to blocking the transmission of the viruses and the bacteria, a good public space is created, and the application of disinfection and sterilization products and technologies has good economic and social benefits, which also puts higher requirements on relevant technologies and products of the disinfection and sterilization products.
The existing air disinfection and sterilization technology on the market at present mainly comprises the following steps: ozone disinfection, spraying disinfection of various disinfection preparations, ultraviolet disinfection and the like; ozone disinfection is harmful to human bodies, and people cannot be disinfected simultaneously when moving in space, so that the use scene is limited; various disinfection preparations cannot be sprayed uninterruptedly at any time, and the disinfection preparations also have certain negative effects; if the ultraviolet disinfection with a single wavelength is adopted, although the ultraviolet disinfection is harmless to human bodies, the real-time dynamic disinfection can be realized, for example, a small ultraviolet air disinfector is disclosed in patent CN00258276.7, the device is provided with an air filter, a centrifugal fan, a quartz ultraviolet disinfection lamp and an electric control device in a box body with an air return opening and an air supply opening, and a lamp tube of the quartz ultraviolet disinfection lamp is arranged in an air duct of a fan outlet or an inlet and is parallel to the direction of air flow; the centrifugal fan is driven by a volute built-in outer rotor motor, and the device can quickly kill floating bacterial strains in the air and effectively control the bacterial concentration in the air of a room.
However, similar to the ultraviolet air disinfection device disclosed in the prior art, the air circulation speed is too high, the ultraviolet rays cannot reach the bactericidal dose, viruses and bacteria cannot be effectively inactivated, and the safety is low.
Therefore, a structure for multiple disinfection, sterilization and odor removal by combining ultraviolet rays and photocatalyst is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multiple disinfection of ultraviolet combination photocatalyst disinfects removes flavor structure includes the fan, ultraviolet ray LED module, metal casing, it constitutes disinfection and removes flavor room to scribble the mutual assembled fitting of photocatalyst support plate who coats titanium dioxide photocatalysis material, will need the disinfection and disinfect the empty band that removes the flavor under the drive of fan or outside air circulation part to go into disinfection and remove flavor room, the ultraviolet ray shines photocatalyst board and disinfection and removes flavor room inner wall surface and air, make its virus, the DNA of bacterium cell, the RNA structure is destroyed, the unable regeneration of cell, bacterium and the ability of virus loss self-replication, thereby reach the disinfection's purpose of disinfecting.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: an ultraviolet ray combines multiple disinfection of photocatalyst to disinfect and removes flavor structure includes: the fan, a metal casing and install in the inside ultraviolet LED module of metal casing, ultraviolet LED module and metal casing's inner wall interconnect, ultraviolet LED module is installed inside metal casing, and ultraviolet LED module is including PCB board and a plurality of ultraviolet LED emitting diode, and ultraviolet LED emitting diode connects in the upper end of PCB board, the photocatalyst support plate is installed in metal casing upper end, coats on the photocatalyst support plate and has scribbled titanium dioxide photocatalysis material and binder, its inner wall of metal casing coats and has scribbled titanium dioxide photocatalysis material and binder, metal casing, ultraviolet LED module and photocatalyst support plate interconnect assembly constitute a disinfection and sterilization room of removing flavor.
Further, the ultraviolet LED comprises an LED ultraviolet LED A and an LED ultraviolet LED B, wherein the LED ultraviolet LED A adopts a UVC light-emitting diode with the wavelength of 200 nm-280 nm, and emits ultraviolet light for directly killing bacteria and viruses; the LED ultraviolet light-emitting diode B adopts a UVA light-emitting diode with the wavelength of 315 nm-400 nm, and the ultraviolet light emitted by the UVA light-emitting diode B is used for carrying out photocatalytic reaction with titanium dioxide.
Furthermore, the PCB board adopts any one of an epoxy board, an aluminum substrate, a copper substrate or a ceramic substrate, a notch is reserved on the PCB board to form an airflow channel, and the notch is in any one of a rectangular shape, a square shape or a circular shape.
Furthermore, the photocatalyst support plate is made of foamed nickel.
Further, the metal shell of the disinfection, sterilization and odor removal chamber is made of any one of an alloy shell or a plastic electroplated metal shell, and the metal shell is rectangular, square or cylindrical.
Furthermore, the fan is used for bringing the air which needs to be disinfected, sterilized and deodorized into the disinfection, sterilization and deodorization room, and simultaneously brings out the air which is disinfected, sterilized and deodorized, so that air circulation is realized, and the fan adopts any one of a speed-adjustable fan or a non-speed-adjustable fan.
The utility model has the advantages that: based on the technical problem who exists among the prior art at present, the utility model provides a brand-new disinfection removes flavor structure, the utility model discloses utilize two kinds of wave band ultraviolet LED to combine to have fused the photocatalyst technique simultaneously, this device forms a disinfection removes flavor room in a metal casing, has combined the characteristics of two kinds of disinfection techniques of ultraviolet ray and photocatalyst effectively, has realized the common stack of multiple disinfection technique, not only disinfects more effectively and can get rid of the organic gas in the air, can also produce certain beneficial negative oxygen ion to the health, the utility model discloses a foam structure's metal foam nickel or foam aluminium can furthest's assurance photocatalyst and the area of contact of ultraviolet photon, and then improve photocatalytic reaction's efficiency, can effectually exterminate bacterium and virus, the utility model discloses a structure of disinfecting has persistence, broad-spectrum nature, and is nontoxic, tasteless, to skin, has high security.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the structure of the present invention;
wherein:
1. a fan; 2. An ultraviolet LED module; 3. A metal housing;
4. a photocatalyst carrier plate; 5. A disinfection and sterilization room; 6. An LED ultraviolet light emitting diode A;
7. an LED ultraviolet light emitting diode B; 8. And (7) a PCB board.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly specified or limited, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Example 1:
fig. 1 is a schematic view of a three-dimensional structure of the present invention, fig. 2 is a schematic view of a structure of the present invention, such as the ultraviolet ray combined photocatalyst multiple disinfection and sterilization odor removing structure shown in fig. 1 and fig. 2, which includes a fan below the disinfection and sterilization chamber and an ultraviolet LED module installed inside the metal shell, wherein the size of the ultraviolet LED module in this embodiment is 50mm and 50mm, the ultraviolet LED module includes a PCB board and a plurality of ultraviolet LED light emitting diodes, and 6 a band LED ultraviolet light emitting diodes B are attached to the PCB board; and 3C wave band LED ultraviolet light-emitting diodes A; the PCB board is divided into 3 paths, and each path of PCB board is provided with 3A wave band LED ultraviolet light-emitting diodes B which are connected with 1C wave band LED ultraviolet light-emitting diode A in series; 4 slotted holes are formed in the middle of the PCB to form an airflow channel; the utility model discloses adopt 53mm 2mm's foam nickel as photocatalyst support plate in the implementation case, the coating has titanium dioxide (TiO) on the photocatalyst support plate 2 ) A photocatalytic material; the utility model adopts 52mm 28.5mm (length, width and height) aluminum metal shell, and the inner wall of the shell is coated with titanium dioxide (TiO) 2 ) Photocatalytic material, the utility model discloses the execution case is through ultraviolet LED module, photocatalyst support plate and the mutual assembled joint of metal casing have constituted a disinfection and sterilization room of removing flavor, ultraviolet ray that the ultraviolet LED module sent and strong oxidizing nature hydroxyl free radical (OH) and super oxide ion free radical (-O2) that the photocatalytic reaction produced wherein, 3 kinds of disinfection factor combined action have been realized, use the fan (the amount of wind is 4CFM to 8 CFM) as power, bring the air that will disinfect and sterilize and remove flavor into disinfection and sterilization room and disinfect and remove flavor processing, the fan is connected to power supply and controller (belonging to prior art, not shown in the figure) through the lead-out wire, or under the condition that has outside air circulation power (belonging to prior art, not shown in the figure), can not install the fan, a condition air gets into disinfection and sterilization room through the slotted hole on PCB under the effect of fan earlier, in addition, the condition air is in the slotted hole on PCB under the effect of fan, the disinfection and sterilization room is removed to the disinfection and sterilization room, and sterilization room is reached to the effect of fan, and the disinfectionIn the other situation, air firstly passes through the photocatalyst support plate and enters the disinfection and deodorization chamber under the action of the fan; the utility model discloses photocatalyst support plate in just to ultraviolet irradiation direction, photocatalyst support plate is under the shining excitation of ultraviolet ray, the inside photocatalytic reaction that accomplishes of surface and mesh, generate hydroxyl free radical (OH) and superoxide ion free radical (-O2) of strong oxidizing property, arouse chain reaction, pierce through the cell wall of bacterium easily, destroy the cell membrane matter, it blocks its respiratory and electron transmission system to get into passing of thallus prevention film forming material, thereby effectual bacterium and the virus of exterminating, get rid of formaldehyde simultaneously, organic gas such as benzene, meanwhile photocatalyst support plate makes the virus bacterium have certain residence, ultraviolet irradiation dose has been improved.
Particularly, the utility model provides a photocatalyst support plate can make virus and bacterium make it stop for a short time on the surface, has optimized disinfection and sterilization effect, the photocatalyst material TiO material that the photocatalyst support plate of foam nickel structure coated 2 The wide-gap semiconductor is a wide-gap semiconductor with a band gap of 3.2eV, and consists of a low-energy Valence Band (VB) filled with electrons and an empty high-energy Conduction Band (CB), wherein the valence band and the conduction band are separated by a forbidden band, when the wide-gap semiconductor is irradiated by light with energy equal to or greater than the forbidden band width (Eg), electrons (e-) on the valence band of the semiconductor are excited to jump to the conduction band, and corresponding photogenerated holes (h +) are generated on the valence band, so that electron-hole (e-and h +) pairs are generated in the semiconductor, and the photogenerated electrons and the photogenerated holes can directly react with cell walls, cell membranes and cell components to cause the inactivation of functional units, thereby causing the cell death. In addition, the photo-generated holes can also adsorb OH or H on the surface of the catalyst 2 0 molecule is oxidized into hydroxyl radical (OH), and photo-generated electrons and O adsorbed on the surface 2 Act to generate superoxide ion free radical (O) 2 ) Further generate hydroxyl free radical (: OH) and H 2 O 2 Isoactive oxygen species, photocatalytic TiO 2 The disinfection and sterilization mechanism is mainly (OH) and other active oxygen substances (O) 2 ,O0H,H 2 O 2 ) The result of the combined action.
The above reaction is carried out in TiO 2 Hydroxyl radical (OH) and superoxide ion radical (-O) generated on surface 2 ) Has the advantages ofThe reaction energy of hydroxyl free radical is 402.8MJ/mol, which is enough to destroy the bonds of C-C, C-H, C-N, C-O, N-H, etc. in organic substances, so that the main indoor pollutants such as hydrocarbon, benzene, formaldehyde, sulfide, ammonia, etc. can be effectively removed, and organic pollutants are generated in OH and O 2 Is completely oxidized to CO under the action of 2 、H 2 O。
Above-mentioned the utility model discloses the effect that the implementation case reached, through the test of a certain province's microorganism detection center, disinfection and isolation is respond well, and the contrast table is as follows:
wherein the test strain is Staphylococcus albus (Staphylococcus albus) 8032; the detection method comprises the following steps: second part of the Disinfection Specification (Ministry of health, 2002) (2.1.3);
wherein, the test space size is: test chamber 1.0m 3 (ii) a The relative humidity of the test environment is: 62 percent; the test environment temperature is: 24 ℃; the result of the kill rate test eliminates the influence of the natural death factor of the microorganisms in the air.
Wherein the test space is 1.0m 3 Test chamber (test using a sample machine)
Can find out through above-mentioned analysis and detection test result, the utility model discloses disinfection and sterilization is respond well, can effectively get rid of virus bacterium and formaldehyde in the air.
The utility model discloses disinfection removes flavor theory of operation does: when the utility model is used, the air and the aerosol with the virus and the bacteria enter the disinfection chamber and are in purpleUnder the irradiation of outside lines (mainly in a UVC wave band), air, bacterium-carrying air and aerosol attached to a disinfection, sterilization and odor removal chamber and a photocatalyst carrier plate are disinfected and sterilized, the molecular structure in cells of microbial organisms (pathogens such as bacteria and viruses) is destroyed in a short time, and the DNA and RNA of the microbes are destroyed to prevent the microbes from propagating, so that the cells cannot be regenerated, and the first disinfection and sterilization are realized; photocatalytic reaction in TiO in sterilizing chamber 2 Hydroxyl radical (OH) and superoxide ion radical (-O) generated on surface 2 ) The active oxygen can oxidize coenzyme A in the bacteria body, destroy the permeability of cell walls (membranes) and DNA structures of the bacteria, interrupt electron transmission and the like to play a role in photocatalysis antibiosis, and realize superposition combination disinfection of multiple disinfection factors; the hydroxyl radical generated by photocatalysis has strong oxidation, can decompose all organic pollutants and partial inorganic substances into inorganic micromolecular harmless substances such as carbon dioxide, water and the like, and the air after disinfection, sterilization and odor removal is output to the space under the action of a fan or other convection, thereby realizing circular disinfection, sterilization and odor removal.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. An ultraviolet ray combines multiple disinfection of photocatalyst to disinfect and removes flavor structure includes: a fan (1), a metal shell (3) and an ultraviolet LED module (2) arranged in the metal shell (3), wherein the ultraviolet LED module (2) is connected with the inner wall of the metal shell (3),
the method is characterized in that:
the ultraviolet LED module (2) is arranged inside the metal shell (3), the ultraviolet LED module (2) comprises a PCB (8) and a plurality of ultraviolet LED light-emitting diodes, the ultraviolet LED light-emitting diodes are connected to the upper end of the PCB (8), a photocatalyst carrier plate (4) is arranged at the upper end of the metal shell (3), a titanium dioxide photocatalytic material and a binder thereof are coated on the photocatalyst carrier plate (4), the inner wall of the metal shell (3) is coated with the titanium dioxide photocatalytic material and the binder thereof, and the metal shell (3), the ultraviolet LED module (2) and the photocatalyst carrier plate (4) are mutually assembled and connected to form a disinfection and sterilization room (5).
2. The ultraviolet-combined photocatalyst multiple disinfection, sterilization and odor removal structure as claimed in claim 1, wherein: the ultraviolet LED comprises an LED ultraviolet LED A (6) and an LED ultraviolet LED B (7), wherein the LED ultraviolet LED A (6) adopts a UVC light-emitting diode with the wavelength of 200 nm-280 nm, and emits ultraviolet light for directly killing bacteria and viruses; the LED ultraviolet light-emitting diode B (7) adopts a UVA light-emitting diode with the wavelength of 315 nm-400 nm, and emits ultraviolet light for carrying out photocatalytic reaction with titanium dioxide.
3. The ultraviolet-combined photocatalyst multiple disinfection, sterilization and odor removal structure as claimed in claim 1, wherein: the PCB (8) is made of any one of an epoxy board, an aluminum substrate, a copper substrate or a ceramic substrate, a notch is reserved on the PCB (8) to form an air flow channel, and the notch is rectangular, square or circular.
4. The ultraviolet-combined photocatalyst multiple disinfection, sterilization and odor removal structure as claimed in claim 1, wherein: the photocatalyst carrier plate (4) is made of foamed nickel.
5. The ultraviolet-combined photocatalyst multiple disinfection, sterilization and odor removal structure as claimed in claim 1, wherein: the metal shell (3) of the disinfection, sterilization and odor removal chamber (5) is made of any one of an alloy shell or a plastic electroplated metal shell, and the metal shell (3) is in any one of a rectangular shape, a square shape or a cylindrical shape.
6. The ultraviolet-combined photocatalyst multiple disinfection, sterilization and odor removal structure as claimed in claim 1, wherein: the fan (1) is used for bringing air which needs to be disinfected, sterilized and deodorized into the disinfection, sterilization and deodorization chamber (5), and simultaneously bringing out the air which is disinfected, sterilized and deodorized, so that air circulation is realized, and the fan (1) adopts any one of a speed-adjustable fan or a non-speed-adjustable fan.
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