CN114767891A - High-power microwave, ultraviolet and ozone synergistic disinfection and sterilization technology - Google Patents
High-power microwave, ultraviolet and ozone synergistic disinfection and sterilization technology Download PDFInfo
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- CN114767891A CN114767891A CN202210540275.9A CN202210540275A CN114767891A CN 114767891 A CN114767891 A CN 114767891A CN 202210540275 A CN202210540275 A CN 202210540275A CN 114767891 A CN114767891 A CN 114767891A
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- ultraviolet lamp
- electrodeless ultraviolet
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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
- A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
- A61L2/02—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using physical processes
- A61L2/08—Radiation
- A61L2/10—Ultraviolet [UV] radiation
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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
- A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
- A61L2/16—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using chemical substances
- A61L2/20—Gaseous substances, e.g. vapours
- A61L2/202—Ozone
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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
- A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
- A61L2/24—Apparatus using programmed or automatic operation
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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
- A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
- A61L2/26—Accessories
-
- 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
- A61L2103/00—Materials or objects being the target of disinfection or sterilisation
- A61L2103/75—Room floors or walls
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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
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
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- 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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses a technology for sterilizing and disinfecting based on high-power microwave, ultraviolet and ozone. The microwave generator is used for generating high-power microwaves to excite the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp so as to generate ultraviolet rays, and simultaneously according to the gas discharge principle, the higher the frequency of an electric field for exciting ionization is, the higher the excitation efficiency is, the efficiency of the microwave ultraviolet lamp is more than 20 times that of the traditional ultraviolet lamp, the microwave ultraviolet lamp has the characteristics of high power density and high ultraviolet output power in unit area, and the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp have no problem of electrode aging loss due to no motor, the service life of the lamp tube can be as long as decades, the lamp tube replacement and maintenance times are few, high-concentration ozone sterilization is thorough, no residue is left, the sterilization range is wide, and meanwhile, due to the poor stability of ozone, the ozone can be automatically decomposed into nontoxic oxygen, so toxic residues can not exist by using ozone sterilization.
Description
Technical Field
The invention belongs to the technical field of disinfection and sterilization, and particularly relates to a technology based on high-power microwave, ultraviolet ray and ozone synergistic disinfection and sterilization.
Background
The pandemic of new coronary pneumonia is a public health emergent event of international concern, and the Ormcken variant strain is one of variant strains, is spread to a plurality of countries and regions, compared with the early stage, the variant strain has more mutations, the propagation speed is obviously higher, the doubling time of the infected people is 2 to 3 days, the propagation process is very hidden, the risk of breakthrough infection is increased, and researches prove that the variant new crown strain has long survival time and stronger infectivity and can be attached to the surface of an object to cause the phenomenon of 'object transmission', furthermore, the Ormcken variant strain can carry toxicity to spread on smooth surfaces of glass, plastic, stainless steel and the like for 7 days, the infection ability of the original strain of the new crown is greatly weakened on the 2 nd day and loses the transmission ability on the 4 th day, it is therefore becoming vital to disinfect the objects in contact, even in a home or office environment;
ultraviolet lamps mainly adopt ultraviolet rays with two wavelengths of 253.7nm and 185nm in the disinfection field, wherein the ultraviolet rays with the wavelength of 253.7nm can destroy the molecular structure of DNA or RNA in microbial organism cells to cause the death of growing cells and (or) the death of regenerative cells, so as to achieve the effect of sterilization and disinfection.
Disclosure of Invention
The invention aims to provide a technology based on high-power microwave, ultraviolet ray and ozone synergistic disinfection and sterilization, and aims to solve the problem that the prior art has difficulty in realizing epidemic prevention and disinfection scenes of clothes wrapped in homes, hotels, office places and the like, and the problem that the goods quality can be guaranteed and the clothes can be thoroughly disinfected and killed.
In order to achieve the purpose, the invention adopts the following technical scheme: the technology based on high-power microwave, ultraviolet ray and ozone synergetic disinfection and sterilization comprises the following steps:
s1, placing the object to be disinfected in a designated area, setting the parameters of the driving power supply through the control button and the display screen, and selecting and using the side electrodeless ultraviolet lamp or the top electrodeless ultraviolet lamp according to the size of the object to be disinfected after the parameters are set;
s2, after the side electrodeless ultraviolet lamp or the top electrodeless ultraviolet lamp is selected, the sterilizing device is close to an article to be sterilized, a switch of a driving power supply is started, the driving power supply can excite a microwave generator through direct current to generate high-power microwaves, and then the high-power microwaves can excite the side electrodeless ultraviolet lamp or the top electrodeless ultraviolet lamp to generate ultraviolet rays to sterilize the article to be sterilized;
s3, after the side electrodeless ultraviolet lamp or the top electrodeless ultraviolet lamp generates ultraviolet rays, the ultraviolet rays can promote oxygen in the air near the side electrodeless ultraviolet lamp or the top electrodeless ultraviolet lamp to react to generate high-concentration ozone, so that the high-concentration ozone is used for killing the objects to be disinfected in cooperation with the ultraviolet rays, and the ozone can be automatically decomposed into nontoxic oxygen for dissipation due to poor stability after disinfection.
Preferably, both the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp in the S1 adopt UVC lamp beads, and the light-emitting angle of the UVC lamp beads is 50-70 degrees.
Preferably, in S1, the irradiation area of the side electrodeless ultraviolet lamp is greater than or equal to 400 square centimeters, and the irradiation area of the top electrodeless ultraviolet lamp is greater than or equal to 25 square centimeters.
Preferably, after the parameter setting of the driving power supply in S1 is completed, a prompt may be sent to a user through the speaker and the indicator light, and the display screen may display the remaining power amount and the current operating states of the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp.
Preferably, the wavelength range of ultraviolet rays generated by the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp in S2 is 185-254 mm, and the frequency of the microwave generator is 2.5 GHz.
Preferably, filter screens are embedded in the inner walls of the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp in the S1, the surfaces of the filter screens are coated with a mixture of a light stabilizer and an ultraviolet absorbent, and the thickness of the mixture is 3-4 mm.
Preferably, the distance between the filter screen and the inner lamp tube of the side electrodeless ultraviolet lamp and the distance between the filter screen and the inner lamp tube of the top electrodeless ultraviolet lamp is 5-6 mm.
Preferably, the filter screen is a foaming material body loaded with modified titanium dioxide.
The invention has the technical effects and advantages that: compared with the prior art, the technology based on the high-power microwave, ultraviolet ray and ozone collaborative disinfection and sterilization provided by the invention has the following advantages:
1. the driving power supply has a function of a microwave generator, and generates high-power microwaves to excite a side electrodeless ultraviolet lamp and a top electrodeless ultraviolet lamp so as to generate ultraviolet rays, and meanwhile, according to the gas discharge principle, the higher the frequency of an electric field for exciting ionization is, the higher the excitation efficiency is, the microwave ultraviolet lamp is more than 20 times of the efficiency of the traditional ultraviolet lamp, and the microwave ultraviolet lamp has the characteristics of high power density and large ultraviolet output power in unit area, and because the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp do not have motors, the problem of electrode aging loss does not exist, the service life of the lamp tube can be as long as decades, the number of times of lamp tube replacement and maintenance is small, and the microwave ultraviolet lamp is suitable for occasions with difficult maintenance;
2. and the high-concentration ozone is thorough in sterilization, free of residue and wide in sterilization range, can kill bacterial propagules, spores, viruses, fungi and the like, and meanwhile, ozone can be automatically decomposed into non-toxic oxygen due to poor stability, so that toxic residues can not exist in the ozone sterilization to cause secondary pollution.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
fig. 2 is a block diagram of the system of the present invention.
Reference numbers in the figures: 1. a filter screen; 2. a top electrodeless ultraviolet lamp; 3. a control button; 4. a speaker; 5. a handle; 6. a killing device body; 7. a lateral electrodeless ultraviolet lamp; 8. an indicator light; 9. a display screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
The invention provides a technology based on high-power microwave, ultraviolet ray and ozone synergic disinfection and sterilization as shown in figure 2, which comprises the following steps:
s1, placing the object to be sterilized in a designated area, setting parameters of a driving power supply through a control button and a display screen, selecting and using a side electrodeless ultraviolet lamp or a top electrodeless ultraviolet lamp according to the size of the object to be sterilized after the parameter setting is finished, wherein the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp both adopt UVC lamp beads, the light-emitting angle of the UVC lamp beads is 50 degrees, the irradiation area of the side electrodeless ultraviolet lamp is more than or equal to 400 square centimeters, the irradiation area of the top electrodeless ultraviolet lamp is more than or equal to 25 square centimeters, after the parameter setting of the driving power supply is finished, prompting can be sent to users through a loudspeaker and an indicator lamp, the display screen can display the residual electric quantity and the current working states of the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp, and filter screens are embedded in the inner walls of the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp, the surface of the filter screen is coated with a mixture of a light stabilizer and an ultraviolet absorbent, the thickness of the mixture is 3mm, the distance between the filter screen and the inner lamp tubes of the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp is 5mm, the filter screen is a foaming material body loaded with modified titanium dioxide, the mixture of the light stabilizer and the ultraviolet absorbent can reduce ultraviolet scattering, the risk that ultraviolet leakage can be fully avoided due to damage to a human body caused by ultraviolet leakage is prevented, people can coexist during space sterilization, and no side effect is caused to the human body. The operation is started at a reasonable time interval, so that the virus concentration in the space can be always controlled to be extremely low;
s2, after the side electrodeless ultraviolet lamp or the top electrodeless ultraviolet lamp is selected, the sterilizing device is close to an object to be sterilized, a switch of a driving power supply is started, the driving power supply can excite a microwave generator through direct current to generate high-power microwaves, then the high-power microwaves can excite the side electrodeless ultraviolet lamp or the top electrodeless ultraviolet lamp to generate ultraviolet rays to sterilize the object to be sterilized, the wavelength range of the ultraviolet rays generated by the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp is 185mm, the frequency of the microwave generator is 2.5GHz, and the wavelength range can directly perform efficient sterilizing effect on various viruses such as new crown viruses;
s3, after the side electrodeless ultraviolet lamp or the top electrodeless ultraviolet lamp generates ultraviolet rays, the ultraviolet rays can promote oxygen in the air near the side electrodeless ultraviolet lamp or the top electrodeless ultraviolet lamp to react to generate high-concentration ozone, so that the high-concentration ozone is used for killing objects to be disinfected together with the ultraviolet rays, the high-concentration ozone is thoroughly sterilized, has no residue and a wide sterilization range, can kill bacterial propagules, spores, viruses, fungi and the like, and meanwhile, the ozone can be automatically decomposed into nontoxic oxygen due to poor stability, so toxic residues can not exist during ozone sterilization to cause secondary pollution.
Example 2
Different from embodiment 1, in S1 of embodiment 2, the light-emitting angle of the UVC lamp bead is 60 °, the thickness of the mixture is 3.5mm, the distance between the filter screen and the inner lamp tube of the side electrodeless ultraviolet lamp and the inner lamp tube of the top electrodeless ultraviolet lamp is 5.5mm, and the wavelength range of ultraviolet rays generated by the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp is 253.7 mm.
Example 3
Different from embodiment 1, in S1 of this embodiment 3, the light-emitting angle of the UVC lamp bead is 70 °, the thickness of the mixture is 4mm, the distance between the filter screen and the inner lamp tube of the side electrodeless ultraviolet lamp and the inner lamp tube of the top electrodeless ultraviolet lamp is 6mm, and the wavelength range of the ultraviolet rays generated by the side electrodeless ultraviolet lamp and the top electrodeless ultraviolet lamp is 254 mm.
The invention provides a killing device as shown in figure 1, which comprises a killing device main body;
the inside of killing device body 6 is provided with controller, drive power supply and microwave generator, just the surface of killing device body 6 is inlayed and is equipped with display screen 9, control button 3, speaker 4 and pilot lamp 8, display screen 9, control button 3, speaker 4, pilot lamp 8 and drive power supply and controller electric connection, microwave generator and drive power supply electric connection, the surface rigid coupling of killing device body 6 has top electrodeless ultraviolet lamp 2 and side electrodeless ultraviolet lamp 7, top electrodeless ultraviolet lamp 2 and side electrodeless ultraviolet lamp 7 and microwave generator electric connection, just the inner wall of top electrodeless ultraviolet lamp 2 and side electrodeless ultraviolet lamp 7 all inlays and is equipped with filter screen 1, and the surface rigid coupling of killing device body 6 has handle 5.
The high-power microwave can form a local strong electric field in a space, and the inert gas can be directly excited in the lamp tube to ionize (glow) by utilizing the space strong electric field without a traditional high-voltage electrode and a traditional starter, so the microwave ultraviolet lamp is also called as an electrodeless ultraviolet lamp, and the electrodeless ultraviolet lamp 2 at the top and the electrodeless ultraviolet lamp 7 at the side can remove volatile organic waste gas (VOC) generated by various industries (such as chemical industry, medicine, light industry, plastics, printing, machinery, electronics, furniture, shoemaking, vehicles and ships, aviation, building materials, waste incineration, foul smell generated in sewage treatment and the like) and can efficiently decompose and sterilize.
Due to the size of the equipment, the irradiation time is generally very short, and therefore, the UVC output intensity of the lamp tube is the most important parameter for measuring the performance of the ultraviolet disinfection equipment. In the ultraviolet lamp, the higher the frequency of an electric field for exciting ionization is, the higher the excitation efficiency is, and the efficiency of the microwave ultraviolet lamp is more than 20 times that of the traditional ultraviolet lamp. In addition, the microwave ultraviolet lamp has short glow starting time, can realize instant start and restart, and has stable light output; because the electrode is not included, the problem of electrode aging loss does not exist, and the service life of the lamp tube is longer.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210540275.9A CN114767891A (en) | 2022-05-18 | 2022-05-18 | High-power microwave, ultraviolet and ozone synergistic disinfection and sterilization technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210540275.9A CN114767891A (en) | 2022-05-18 | 2022-05-18 | High-power microwave, ultraviolet and ozone synergistic disinfection and sterilization technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117679543A (en) * | 2023-12-22 | 2024-03-12 | 电子科技大学 | An electrodeless ultraviolet lamp disinfection and sterilization device |
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| CN1457082A (en) * | 2003-06-10 | 2003-11-19 | 武汉科技学院 | Microwave ultraviolet sterilizing light |
| CN1486746A (en) * | 2003-06-10 | 2004-04-07 | 东南大学 | Efficient and pollution-free air disinfection device and disinfection method |
| CN2686608Y (en) * | 2003-08-14 | 2005-03-23 | 郭汉彪 | Medical cotton-plastic product and liquid sterilizer |
| CN101790389A (en) * | 2007-05-17 | 2010-07-28 | 加菲尔德工业公司 | System and method for photocatalytic oxidation air filtration using substrate coated with photocatalyst particle powder thereon |
| CN107712570A (en) * | 2017-09-20 | 2018-02-23 | 海宁杜氏进出口有限公司 | A kind of bird's nest sterilization process |
| CN111249493A (en) * | 2020-03-27 | 2020-06-09 | 东营市晨星照明科技有限公司 | A handheld dual-frequency compound sterilizer |
| CN113521349A (en) * | 2021-07-20 | 2021-10-22 | 苏州鱼翔环境工程有限公司 | Sterilizer that no dead angle of trace ozone combination strong ultraviolet was disinfected |
| US20210402446A1 (en) * | 2020-06-26 | 2021-12-30 | Piedmont National Corporation | Automated mobile device for cleaning and disinfecting |
-
2022
- 2022-05-18 CN CN202210540275.9A patent/CN114767891A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1457082A (en) * | 2003-06-10 | 2003-11-19 | 武汉科技学院 | Microwave ultraviolet sterilizing light |
| CN1486746A (en) * | 2003-06-10 | 2004-04-07 | 东南大学 | Efficient and pollution-free air disinfection device and disinfection method |
| CN2686608Y (en) * | 2003-08-14 | 2005-03-23 | 郭汉彪 | Medical cotton-plastic product and liquid sterilizer |
| CN101790389A (en) * | 2007-05-17 | 2010-07-28 | 加菲尔德工业公司 | System and method for photocatalytic oxidation air filtration using substrate coated with photocatalyst particle powder thereon |
| CN107712570A (en) * | 2017-09-20 | 2018-02-23 | 海宁杜氏进出口有限公司 | A kind of bird's nest sterilization process |
| CN111249493A (en) * | 2020-03-27 | 2020-06-09 | 东营市晨星照明科技有限公司 | A handheld dual-frequency compound sterilizer |
| US20210402446A1 (en) * | 2020-06-26 | 2021-12-30 | Piedmont National Corporation | Automated mobile device for cleaning and disinfecting |
| CN113521349A (en) * | 2021-07-20 | 2021-10-22 | 苏州鱼翔环境工程有限公司 | Sterilizer that no dead angle of trace ozone combination strong ultraviolet was disinfected |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117679543A (en) * | 2023-12-22 | 2024-03-12 | 电子科技大学 | An electrodeless ultraviolet lamp disinfection and sterilization device |
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Application publication date: 20220722 |