CN111358997A - Photocatalyst hydroxyl sterilization device inside air disinfection machine - Google Patents
Photocatalyst hydroxyl sterilization device inside air disinfection machine Download PDFInfo
- Publication number
- CN111358997A CN111358997A CN202010188070.XA CN202010188070A CN111358997A CN 111358997 A CN111358997 A CN 111358997A CN 202010188070 A CN202010188070 A CN 202010188070A CN 111358997 A CN111358997 A CN 111358997A
- Authority
- CN
- China
- Prior art keywords
- filter screen
- sterilization device
- hydroxyl
- tubular filter
- photocatalyst
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 54
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 53
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 29
- 125000002887 hydroxy group Chemical group [H]O* 0.000 title claims abstract description 24
- 239000003054 catalyst Substances 0.000 claims abstract description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 25
- 239000010935 stainless steel Substances 0.000 claims description 25
- 230000001699 photocatalysis Effects 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 241000894006 Bacteria Species 0.000 abstract description 8
- 238000005286 illumination Methods 0.000 abstract description 6
- 230000005855 radiation Effects 0.000 abstract description 6
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 3
- 241000700605 Viruses Species 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 230000007937 eating Effects 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- -1 hydroxyl free radical Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a photocatalyst hydroxyl sterilization device in an air sterilization machine, and relates to the field of sterilization equipment. The surface of the tubular filter screen is coated with the catalyst, and various bacteria in the air are killed by utilizing the catalytic chemical reaction of the base material, so that the sterilization effect is further enhanced; ultraviolet ray through setting up board-like photocatalyst filter screen and revealing the tubulose filter screen is recycled, further improves illumination radiation's utilization efficiency, further strengthens bactericidal effect.
Description
Technical Field
The invention relates to the field of sterilization equipment, in particular to a photocatalyst hydroxyl sterilization device in an air sterilizer.
Background
In the human living environment, there are many kinds of bacteria and viruses, which enter human body by breathing, eating, drinking and other objects, and the pathogenic bacteria and viruses can cause various diseases to the human body, thus seriously affecting the human health. Ultraviolet sterilization has been found and used in the fortieth years, and is the best sterilization method recognized in the world, namely, pathogenic bacteria which can kill the surfaces of objects and move in liquid or air can be killed, and the breeding and the transmission of various bacteria and viruses are prevented. Therefore, ultraviolet rays have been used for sterilization in hospitals, laboratories, indoors, edible water sources, and other places at present. However, the existing ultraviolet disinfection products only directly utilize the irradiation of ultraviolet rays, and have low utilization efficiency and poor sterilization effect.
Disclosure of Invention
Therefore, the invention provides a photocatalyst hydroxyl sterilization device in an air sterilizer, which aims to solve the problems of low ultraviolet light utilization rate and poor sterilization effect of the existing ultraviolet sterilization equipment.
In order to achieve the above object, the present invention provides a photocatalyst hydroxyl sterilization device inside an air sterilizer, the photocatalyst hydroxyl sterilization device in the air sterilization machine comprises a box body, a plate-type photocatalyst filter screen and an ultraviolet sterilization device arranged in the box body, the top and the bottom of the box body are provided with openings, the plate-type photocatalyst filter screen is arranged at the top of the box body, the surface of the plate-type photocatalyst filter screen is coated with a catalyst, the ultraviolet sterilization device comprises an ultraviolet lamp, a tubular filter screen and two mirror surface stainless steel sheets provided with through holes, the two ends of the tubular filter screen are provided with openings, the ultraviolet lamp is arranged in the tubular filter screen, the two mirror surface stainless steel sheets are arranged at the two ends of the tubular filter screen in a one-to-one correspondence manner, the two mirror surface stainless steel sheets are connected with the side wall of the box body, two ends of the ultraviolet lamp are inserted into the through holes of the two mirror surface stainless steel sheets in a one-to-one correspondence mode.
Further, the surface of the tubular screen is coated with a catalyst.
Further, the catalyst is a titanium dioxide catalyst.
Further, one side that the nonrust steel sheet of mirror surface deviates from the tubulose filter screen is provided with the stationary blade, ultraviolet lamp's one end, another is located to the stationary blade cover one side that the nonrust steel sheet of mirror surface deviates from the tubulose filter screen is provided with spacing piece, spacing piece supports and leans on in ultraviolet lamp's the other end.
Further, a plurality of protrusions extending along the length direction of the tubular filter screen are arranged on the surface of the tubular filter screen at intervals.
Further, the cross section of the tubular filter screen is oval.
Further, the inside photocatalyst hydroxyl sterilizing equipment of air sterilizing machine still includes two connecting pieces, the stainless steel sheet of mirror surface is connected with the lateral wall of box through two connecting pieces.
Furthermore, an access hole is formed in the side wall of the box body.
The invention has the following advantages: according to the photocatalyst hydroxyl sterilization device in the air sterilization machine, the ultraviolet lamp is arranged in the tubular filter screen, the mirror surface stainless steel sheets are arranged at the two ends of the tubular filter screen, and the ultraviolet rays are reflected again by utilizing the mirror surface reflection effect, so that the utilization efficiency of illumination radiation is increased, and the sterilization effect is enhanced; the surface of the tubular filter screen is coated with the catalyst, and various bacteria in the air are killed by utilizing the catalytic chemical reaction of the base material, so that the sterilization effect is further enhanced; ultraviolet ray through setting up board-like photocatalyst filter screen and revealing the tubulose filter screen is recycled, further improves illumination radiation's utilization efficiency, further strengthens bactericidal effect.
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 description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic perspective view of a photo-catalytic hydroxyl sterilization device inside an air sterilizer according to the present invention;
FIG. 2 is a schematic structural view of a photocatalyst-based hydroxyl sterilization device inside an air sterilizer according to the present invention in a disassembled state;
FIG. 3 is a schematic top view of a photo-catalytic hydroxyl sterilization device inside an air sterilizer according to the present invention;
FIG. 4 is a left side view of the ultraviolet sterilization apparatus according to the present invention;
FIG. 5 is a schematic diagram of a right-view structure of the ultraviolet sterilization apparatus provided by the present invention;
fig. 6 is an exploded view of the ultraviolet sterilizer according to the present invention.
Description of reference numerals: 10. an ultraviolet lamp; 20. a tubular screen; 21. a protrusion; 30. a mirror surface stainless steel sheet; 40. a fixing sheet; 50. a limiting sheet; 60. a box body; 61. an access hole; 70. a plate-type photocatalyst filter screen; 80. a connecting member.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the photocatalyst hydroxyl sterilization device inside the air sterilizer includes a box body 60, a plate-type photocatalyst filter screen 70, two connecting pieces 80 and an ultraviolet sterilization device arranged in the box body 60, the top and the bottom of the box body 60 are open, the lower port of the box body 60 is used as an air inlet, and the upper port is used as an air outlet. Plate-type photocatalyst filter 70 sets up in the top of box 60, and plate-type photocatalyst filter 70's surface coating has the catalyst, need contact with plate-type photocatalyst filter 70 when the air after ultraviolet germicidal device disinfects flows out from the air outlet, uses plate-type photocatalyst filter 70 can increase with the contact surface of air. Be provided with access hole 61 on the lateral wall of box 60, access hole 61 uses access hole lid shutoff at ordinary times, only needs open it during the use, sets up access hole 61 and can make things convenient for ultraviolet sterilizing equipment's installation and dismantlement.
As shown in fig. 4, 5 and 6, the ultraviolet sterilization apparatus includes an ultraviolet lamp 10, a tubular filter screen 20 and two mirror-surface stainless steel sheets 30 provided with through holes, wherein the tubular filter screen 20 is open at both ends, and the cross section of the tubular filter screen 20 is oval, but may be rectangular or other shapes. The surface of the tubular filter screen 20 is provided with a plurality of protrusions 21 at intervals, the protrusions 21 extend along the length direction of the tubular filter screen 20, and the arrangement of the protrusions 21 not only enhances the structural strength of the tubular filter screen 20, but also increases the contact surface of the tubular filter screen 20 and air. The two mirror surface stainless steel sheets 30 are correspondingly arranged at two ends of the tubular filter screen 20 one by one, the surface of the mirror surface stainless steel sheet 30 is smooth, and can reflect ultraviolet light rays emitted by the ultraviolet lamp 10, the ultraviolet lamp 10 is arranged in the tubular filter screen 20, the central axis of the ultraviolet lamp 10 and the central axis of the tubular filter screen 20 are the same straight line, and two ends of the ultraviolet lamp 10 are correspondingly inserted into through holes of the two mirror surface stainless steel sheets 30 one by one. As shown in fig. 3, one mirror surface stainless steel sheet 30 is connected with the side wall of the box body 60 through two connecting pieces 80, one side of the mirror surface stainless steel sheet 30 departing from the tubular filter screen 20 is provided with a fixing sheet 40, the fixing sheet 40 is connected with the mirror surface stainless steel sheet 30 through a screw, one end of the ultraviolet lamp 10 is sleeved with the fixing sheet 40, one end of the ultraviolet lamp 10 is electrically connected with a power supply through a lead, the other mirror surface stainless steel sheet 30 is connected with the side wall of the box body 60 through a screw, one side of the mirror surface stainless steel sheet 30 departing from the tubular filter screen 20 is provided with a limiting sheet 50, the limiting sheet 50 abuts against the other end of the ultraviolet lamp 10, and the limiting. During the passage of the air through the tubular screen 20, bacteria in the air are killed by the ultraviolet light of the ultraviolet lamp 10. By arranging the ultraviolet lamp 10 in the tubular filter net 20 and arranging the mirror surface stainless steel sheets 30 at both ends of the tubular filter net 20, the ultraviolet rays are reflected again by utilizing the mirror surface reflection effect, the utilization efficiency of the illumination radiation is increased, and the sterilization effect is enhanced.
Further, in another embodiment of the present invention, the surface of the tubular screen 20 is coated with a catalyst, which is a titanium dioxide catalyst. By coating the surface of the tubular filter screen 20 with a catalyst, various bacteria in the air are killed by the catalytic chemical reaction of the base material, and the sterilization effect is further enhanced.
After the air current passes through air intake entering box 60, at first get into tubular filter screen 20 in, the ultraviolet ray that ultraviolet lamp 10 sent can kill the bacterium in the air, and the catalyst on tubular filter screen 20 can produce catalytic reaction under the irradiation of ultraviolet ray simultaneously, produces the hydroxyl free radical factor, very big increase bactericidal effect, and experimental data can know that the hydroxyl sterilization technique is 3000 times ultraviolet sterilization. The ultraviolet lamp is arranged in the tubular filter screen, the mirror surface stainless steel sheets are arranged at the two ends of the tubular filter screen, and the ultraviolet rays are reflected again by utilizing the mirror surface reflection effect, so that the utilization efficiency of illumination radiation is increased, and the sterilization effect is enhanced; the surface of the tubular filter screen is coated with the catalyst, and various bacteria in the air are killed by utilizing the catalytic chemical reaction of the base material, so that the sterilization effect is further enhanced; ultraviolet rays leaked by the tubular filter screen are reused by arranging the plate-type photocatalyst filter screen 70, so that the utilization efficiency of illumination radiation is further improved, and the sterilization effect is further enhanced.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. A photocatalyst hydroxyl sterilization device in an air sterilizer is characterized in that the photocatalyst hydroxyl sterilization device in the air sterilizer comprises a box body, a plate-type photocatalyst filter screen and an ultraviolet sterilization device arranged in the box body, the top and the bottom of the box body are provided with openings, the plate-type photocatalyst filter screen is arranged at the top of the box body, the surface of the plate-type photocatalyst filter screen is coated with a catalyst, the ultraviolet sterilization device comprises an ultraviolet lamp, a tubular filter screen and two mirror surface stainless steel sheets provided with through holes, the two ends of the tubular filter screen are provided with openings, the ultraviolet lamp is arranged in the tubular filter screen, the two mirror surface stainless steel sheets are arranged at the two ends of the tubular filter screen in a one-to-one correspondence manner, the two mirror surface stainless steel sheets are connected with the side wall of the box body, two ends of the ultraviolet lamp are inserted into the through holes of the two mirror surface stainless steel sheets in a one-to-one correspondence mode.
2. The photo-catalytic hydroxyl sterilization device inside an air sterilizer of claim 1, wherein the surface of the tubular filter is coated with a catalyst.
3. The photo-catalytic hydroxyl sterilization device inside an air sterilizer of claim 2, wherein the catalyst is a titanium dioxide catalyst.
4. The inside photocatalyst hydroxyl sterilizing device of claim 1, 2 or 3, wherein one side of the stainless steel mirror surface sheet facing away from the tubular filter screen is provided with a fixing sheet, the fixing sheet is sleeved at one end of the ultraviolet lamp, the other side of the stainless steel mirror surface sheet facing away from the tubular filter screen is provided with a limiting sheet, and the limiting sheet is abutted against the other end of the ultraviolet lamp.
5. The photo-catalytic hydroxyl sterilization device inside an air sterilizer as claimed in claim 4, wherein a plurality of protrusions extending along the length direction of the tubular filter screen are provided at intervals on the surface of the tubular filter screen.
6. The photo-catalytic hydroxyl sterilization device inside an air sterilizer of claim 5, wherein the cross section of the tubular filter screen is oval.
7. The photo-catalytic hydroxyl sterilization device inside an air sterilizer of claim 6, wherein the photo-catalytic hydroxyl sterilization device inside the air sterilizer further comprises two connecting members, and the mirror surface stainless steel sheet is connected with the side wall of the box body through the two connecting members.
8. The photo-catalytic hydroxyl sterilization device inside an air sterilizer of claim 7, wherein an access opening is provided on a sidewall of the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188070.XA CN111358997A (en) | 2020-03-17 | 2020-03-17 | Photocatalyst hydroxyl sterilization device inside air disinfection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188070.XA CN111358997A (en) | 2020-03-17 | 2020-03-17 | Photocatalyst hydroxyl sterilization device inside air disinfection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111358997A true CN111358997A (en) | 2020-07-03 |
Family
ID=71198598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010188070.XA Withdrawn CN111358997A (en) | 2020-03-17 | 2020-03-17 | Photocatalyst hydroxyl sterilization device inside air disinfection machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN111358997A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001411A (en) * | 2020-07-28 | 2022-02-01 | 广东美的制冷设备有限公司 | Disinfection and sterilization module of air conditioner and air conditioner |
-
2020
- 2020-03-17 CN CN202010188070.XA patent/CN111358997A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001411A (en) * | 2020-07-28 | 2022-02-01 | 广东美的制冷设备有限公司 | Disinfection and sterilization module of air conditioner and air conditioner |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200703 |
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| WW01 | Invention patent application withdrawn after publication |