CN112361521A - Photocatalyst disinfection subassembly and sterilizer - Google Patents
Photocatalyst disinfection subassembly and sterilizer Download PDFInfo
- Publication number
- CN112361521A CN112361521A CN202011370211.6A CN202011370211A CN112361521A CN 112361521 A CN112361521 A CN 112361521A CN 202011370211 A CN202011370211 A CN 202011370211A CN 112361521 A CN112361521 A CN 112361521A
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- Prior art keywords
- disinfection
- photocatalyst
- filter
- guide plate
- cavity
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 69
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 45
- 230000001954 sterilising effect Effects 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000005485 electric heating Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 230000001699 photocatalysis Effects 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 241000700605 Viruses Species 0.000 description 9
- 241000894006 Bacteria Species 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000234 capsid Anatomy 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- A61L9/205—Ultraviolet radiation using a photocatalyst or photosensitiser
-
- 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
- A61L9/22—Ionisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Catalysts (AREA)
Abstract
The utility model provides a photocatalyst disinfection subassembly, includes the cavity that is enclosed by bottom plate and curb plate and forms, is provided with the heliciform guide plate of perpendicular to air flow direction in the cavity, and the both ends of guide plate are fixed respectively on the inside wall of cavity, and the ultraviolet fluorescent tube is penetrated in the middle part of guide plate, scribbles the photocatalyst coating on the surface of guide plate and the inner wall of cavity. A sterilizing machine comprises a shell, wherein an air inlet and an air outlet are respectively formed in the shell, and the photocatalyst sterilizing component is arranged in the shell. The photocatalyst disinfection component and the disinfection machine enhance the sterilization and disinfection effect of the disinfection machine, reduce the power of the whole machine, reduce the energy consumption and prevent the influence of condensed water on the photocatalyst auxiliary disinfection component.
Description
Technical Field
The invention belongs to the field of household appliances, and particularly relates to a photocatalyst disinfection component and a disinfection machine.
Background
Along with the improvement of the living standard in recent years, the health life consciousness of people is gradually enhanced, the use of the disinfection machine is more and more concerned, the improvement of the disinfection effect and the disinfection efficiency of the disinfection machine is beneficial to the improvement of the health life standard of people, in order to meet the health requirement, the further development of the disinfection machine is extremely important, the disinfection modes of the existing disinfection machine are numerous, the plasma technology is concerned as an efficient disinfection mode, however, the risk that harmful viruses and bacteria are not completely inactivated can exist in a single disinfection mode, so that an electric heating auxiliary heating device is generally added on the market to further kill germs through high temperature, but the following problems still exist in the mode of electric heating high-temperature disinfection: electric heater unit's temperature homogeneity is difficult to control, and last high temperature and calorific loss need consume a large amount of energy, improve the complete machine required power greatly, and there are high temperature resistant virus and harmful bacterium in the environment, in addition to using the sterile sterilizer of photocatalyst, generally have among the photocatalyst degassing unit of spiral guide plate, the spiral guide plate is vertical to be placed, because the effect of blockking of spiral guide plate, sterilizer air-out efficiency greatly reduced, on the other hand, produce water and carbon dioxide among the photocatalyst disinfection process, make the air current humidity increase, thereby the low temperature vapor probably condenses into the liquid drop and influences the sterilizer normal operating.
Disclosure of Invention
The invention aims to provide a photocatalyst disinfection component and a disinfection machine, which solve the technical problems that the traditional disinfection mode has the risk that viruses are not completely inactivated, the temperature distribution of an added auxiliary heating module is difficult to control, the energy consumption of the whole machine is large, the required power is high, high-temperature resistant viruses or harmful bacteria exist in the air, the viruses or the harmful bacteria are difficult to inactivate through a heating mode, and condensed water drops possibly appear in a disinfection channel when a general photocatalyst disinfection machine runs in a low-temperature environment.
In order to achieve the purpose, the specific technical scheme of the photocatalyst disinfection component and the disinfection machine is as follows:
the utility model provides a photocatalyst disinfection subassembly, includes the cavity that is enclosed by bottom plate and curb plate and forms, is provided with the heliciform guide plate of perpendicular to air flow direction in the cavity, and the both ends of guide plate are fixed respectively on the inside wall of cavity, and the ultraviolet fluorescent tube is penetrated in the middle part of guide plate, scribbles the photocatalyst coating on the surface of guide plate and the inner wall of cavity.
Further, be provided with the third filter screen on the top surface of bottom plate, be provided with the electric heating part on the third filter screen, the air vent has been seted up on the bottom plate.
Further, an electrical box is arranged on the bottom plate and communicated with the ultraviolet lamp tube and the electric heating resistance wire, so that the on-off of the ultraviolet lamp tube and the electric heating resistance wire is controlled.
Further, the photocatalyst coating adopts titanium dioxide and/or silicon dioxide materials.
Further, the third filter screen is the HEPA filter screen.
The invention also provides a sterilizer which comprises a shell, wherein the shell is respectively provided with an air inlet and an air outlet, and the photocatalyst sterilizing component is arranged in the shell.
Further, be provided with plasma disinfection subassembly in the casing, plasma disinfection subassembly and the reverse low reaches that are located photocatalyst disinfection subassembly of air flow direction, plasma disinfection subassembly includes a plurality of interval alternate arrangement's standard collector and standard generator, the both ends of standard collector and standard generator are fixed on the inside wall of casing through the support respectively.
Further, be provided with first filter screen and second filter screen in the casing, first filter screen and air flow direction reverse are located plasma disinfection subassembly's low reaches, the second filter screen is located photocatalyst disinfection subassembly's upper reaches along the air flow direction.
Further, the air outlet and the second filter screen are communicated through a spiral air duct, and the top end of the spiral air duct is connected with a fan.
Further, first filter screen and second filter screen are the HEPA filter screen.
The photocatalyst disinfection component and the disinfection machine have the following advantages that: the sterilization and disinfection effect of the disinfection machine is enhanced, the power of the whole machine is reduced, the energy consumption is reduced, and the influence of condensed water on the photocatalyst auxiliary disinfection component is prevented.
Drawings
FIG. 1 is a schematic view of the overall structure of the sterilizer of the present invention;
FIG. 2 is a schematic view of the structure of the photo-catalytic disinfection module of the present invention.
The notation in the figure is: 1. a housing; 2. an air inlet; 3. an air outlet; 4. a first filter screen; 5. a plasma sterilization assembly; 51. a standard collector; 52. a standard generator; 6. a photocatalyst sterilizing component; 61. a third filter screen; 62. a baffle; 63. an ultraviolet lamp tube; 64. an electrical box; 7. a second filter screen; 8. a spiral duct; 9. a fan.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a photocatalyst sterilizing assembly and a sterilizer of the present invention will be described in further detail with reference to the accompanying drawings.
The photocatalyst disinfection component can be used for living electrical appliances such as disinfectors, air purifiers, air conditioners and the like, and comprises a shell 1, wherein the bottom end of the shell 1 is provided with an air inlet 2, the air inlet 2 adopts a shutter structure, the top end of the shell 1 is provided with an air outlet 3, and the inside of the shell 1 is sequentially provided with a first filter screen 4, a plasma disinfection component 5, a photocatalyst disinfection component 6, a second filter screen 7, a spiral air duct 8 and a fan 9 from bottom to top.
The edge part of first filter screen 4 passes through the support to be fixed on the inside wall of casing 1, and first filter screen 4 can adopt the high-efficient filter screen of HEPA.
The plasma sterilization assembly 5 comprises three standard collectors 51 and two standard generators 52, two ends of the standard collectors 51 and two ends of the standard generators 52 are respectively fixed on the inner side wall of the shell 1 through brackets, and the three standard collectors 51 and the two standard generators 52 are alternately arranged at intervals.
The photocatalyst disinfection component 6 comprises a bottom plate and a side plate surrounding the bottom plate, the inner walls of the bottom plate and the side plate are coated with photocatalyst coatings, the edge part of the bottom plate is fixed on the inner wall of the shell 1 through a bracket, the bottom plate is provided with a vent hole, the top surface of the bottom plate is provided with a third filter screen 61, the third filter screen 61 is positioned inside the side plate, the third filter screen 61 can adopt a HEPA high-efficiency filter screen, the third filter screen 61 is provided with an electric heating component, preferably, an electrothermal resistance wire is tiled on the third filter screen 61, a spiral guide plate 62 is horizontally arranged above the third filter screen 61, two ends of the guide plate 62 are respectively fixed at the centers of the inner walls of the side plates at two opposite ends, the surface of the guide plate 62 is coated with the photocatalyst coatings, the middle part of the guide plate 62 horizontally penetrates into an UV lamp tube 63, one end of the, the electrical box 64 is located outside the side plate, the electrical box 64 is connected with the electric resistance wire and the ultraviolet lamp tube 63, so that the on-off of the electric resistance wire and the ultraviolet lamp tube 63 is controlled, and preferably, the photocatalyst coating can be made of semiconductor materials such as titanium dioxide, silicon dioxide and the like.
The edge part of second filter screen 7 passes through the support to be fixed on the inside wall of casing 1, and second filter screen 7 can adopt the high-efficient filter screen of HEPA.
The bottom end of the spiral air duct 8 is fixed on the second filter screen 7, and the top end of the spiral air duct 8 is fixed on the inner side wall of the shell 1 through a support.
The fan 9 is fixed at the opening at the top end of the spiral air duct 8 and is communicated with the inside of the spiral air duct 8.
The work principle of the photocatalyst disinfection component and the disinfection machine is as follows: air enters the interior of the sterilizer from an air inlet 2 of the sterilizer, large particles are removed through a primary filter screen of a first filter screen 4, then the air enters a plasma sterilization assembly 5, pollutants in the air enter a standard generator 52 through an air duct, the particles are subjected to positive polarity strong electric field action to be electrified and positively charged due to the fact that the standard generator 52 is a high-voltage positive electrode area, the particles are subjected to coulomb force influence in an electric field to move and deflect and collide on a standard collector 51, the standard collector 51 is a negative electrode, the positively charged particles are adsorbed by a negative electric field due to mutual attraction of positive and negative charges, in addition, in the standard generator 52, due to electrostatic damage, the plasma can enable bacterial cells to be broken, and active substances generated by the plasma for viruses can damage protein capsids and genetic substances of the viruses, after passing through the standard generator 52, the remains of the virus and bacteria are absorbed by the standard collector 51, so the standard collector 51 needs to be cleaned periodically, most of the virus and harmful bacteria in the air are killed by the plasma disinfection component 5, then the air is preheated by the third filter screen 61, the heating temperature is preferably between 30 ℃ and 50 ℃, so as to heat the air with lower temperature during winter, prevent the water vapor contained in the air or the water generated by the reaction with the photocatalyst from being condensed into liquid drops due to the low temperature of the air, and influence the disinfection effect of the disinfection machine, the heated air enters the photocatalyst disinfection component 6, the photocatalyst is used as a catalyst, the adsorbed water and oxygen can be activated to form active oxygen and free hydroxyl groups with strong oxidation under the illumination, the residual harmful substances and high temperature resistant germs in the air are decomposed into water and carbon dioxide which are harmless to human body by the photocatalyst irradiated by the ultraviolet light, horizontal heliciform guide plate 62 of placing increases the air disturbance, increase the area of contact of air and photocatalyst coating, make photocatalyst coating contact with the air as far as possible, reinforcing disinfection effect, the excessive disturbance of spiral guide plate of having avoided vertically placing produces great resistance influence air-out efficiency, guide plate 62 sets up and ensures that each light is even in central point, later the air is remained harmful substance through 7 physics intercepts of second filter screen and makes the air by high-efficient purification, harmful gas such as second filter screen 7 can effective filtration formaldehyde, clean air passes through spiral duct 8, spiral duct 8 can promote the air flow, improve the air supply efficiency of fan 9, fan 9 carries clean air to air outlet 3, reach air-purifying's effect.
The photocatalyst disinfection component and the disinfection machine enhance the sterilization and disinfection effect of the disinfection machine, reduce the power of the whole machine, reduce the energy consumption and prevent the influence of condensed water on the photocatalyst auxiliary disinfection component.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a photocatalyst disinfection subassembly, its characterized in that includes the cavity that is enclosed by bottom plate and curb plate and forms, is provided with heliciform guide plate (62) of perpendicular to air flow direction in the cavity, and the both ends of guide plate (62) are fixed respectively on the inside wall of cavity, and ultraviolet fluorescent tube (63) are penetrated in the middle part of guide plate (62), scribbles the photocatalyst coating on the surface of guide plate (62) and the inner wall of cavity.
2. The photocatalytic disinfection assembly of claim 1, wherein the top surface of the bottom plate is provided with a third filter screen (61), the third filter screen (61) is provided with an electric heating component, and the bottom plate is provided with a vent hole.
3. The photocatalyst disinfection assembly of claim 2, wherein an electrical box (64) is disposed on the bottom plate, and the electrical box (64) is communicated with the ultraviolet lamp tube (63) and the electrothermal filament, so as to control the on/off of the ultraviolet lamp tube (63) and the electrothermal filament.
4. The photocatalytic disinfection assembly of claim 1, wherein the photocatalytic coating is made of titanium dioxide and/or silicon dioxide.
5. The photocatalytic disinfection assembly of claim 2, wherein the third filter (61) is a HEPA filter.
6. A sterilizer, comprising a shell (1), wherein the shell (1) is respectively provided with an air inlet (2) and an air outlet (3), characterized in that the shell (1) is internally provided with a photocatalyst sterilizing component as claimed in any one of claims 1 to 5.
7. The sterilizer according to claim 6, wherein a plasma sterilizing module (5) is arranged in the housing (1), the plasma sterilizing module (5) is located downstream of the photocatalyst sterilizing module in a direction opposite to the air flow direction, the plasma sterilizing module (5) comprises a plurality of standard collectors (51) and standard generators (52) which are alternately arranged at intervals, and two ends of each of the standard collectors (51) and the standard generators (52) are respectively fixed on the inner side wall of the housing (1) through brackets.
8. A disinfection machine as claimed in claim 7, characterized in that a first filter (4) and a second filter (7) are arranged in said housing (1), said first filter (4) being located downstream of said plasma disinfection module (5) in the direction opposite to the air flow direction, said second filter (7) being located upstream of said photocatalyst disinfection module in the air flow direction.
9. The sterilizing machine according to claim 8, characterized in that the air outlet (3) and the second filter (7) are communicated through a spiral duct (8), and the top end of the spiral duct (8) is connected with a fan (9).
10. A disinfection machine as claimed in claim 8, characterized in that said first filter (4) and second filter (7) are HEPA filters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370211.6A CN112361521A (en) | 2020-11-30 | 2020-11-30 | Photocatalyst disinfection subassembly and sterilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370211.6A CN112361521A (en) | 2020-11-30 | 2020-11-30 | Photocatalyst disinfection subassembly and sterilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112361521A true CN112361521A (en) | 2021-02-12 |
Family
ID=74536411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011370211.6A Pending CN112361521A (en) | 2020-11-30 | 2020-11-30 | Photocatalyst disinfection subassembly and sterilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112361521A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022239778A1 (en) * | 2021-05-11 | 2022-11-17 | クリスタルエンジニアリング株式会社 | Air conditioner |
-
2020
- 2020-11-30 CN CN202011370211.6A patent/CN112361521A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022239778A1 (en) * | 2021-05-11 | 2022-11-17 | クリスタルエンジニアリング株式会社 | Air conditioner |
| JP2022174671A (en) * | 2021-05-11 | 2022-11-24 | クリスタルエンジニアリング株式会社 | air conditioner |
| JP7265793B2 (en) | 2021-05-11 | 2023-04-27 | クリスタルエンジニアリング株式会社 | air conditioner |
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