CN113368274A - Full-automatic high-adaptability wide-spectrum IPUV high-energy pulse ultraviolet disinfection and killing system - Google Patents
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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—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
- A23B2/00—Preservation of foods or foodstuffs, in general
- A23B2/50—Preservation of foods or foodstuffs, in general by irradiation without heating
- A23B2/53—Preservation of foods or foodstuffs, in general by irradiation without heating with ultraviolet light
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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—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/088—Radiation using a photocatalyst or photosensitiser
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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—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; 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
- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
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Abstract
本发明提供一种全自动高适应性宽光谱IPUV高能脉冲紫外消杀系统，属于紫外消杀技术领域。该系统包括光电主模块、辅助功能选配模块及自动化控制模块。其中光电主模块包括高能驱动电源和脉冲氙灯光源。辅助功能选配模块包括水/风冷散热模块、冷光源过滤模块、光催化模块。本发明利用自动化控制模块将光电主模块与辅助功能选配模块配合在一起，使该系统在定制化的光电主模块与不同辅助功能选配模块的配合满足不同场景、不同功能的需求。本系统不仅可以实现快速灭菌还能实现多场合、多功能的条件适配，实现不同难度条件下的灭菌功能。在医疗卫生、低温冷链、物流运输、食品安全、生鲜加工等领域都有相当的应用前景。
The invention provides an automatic high-adaptability wide-spectrum IPUV high-energy pulse ultraviolet disinfection system, which belongs to the technical field of ultraviolet disinfection. The system includes photoelectric main module, auxiliary function matching module and automatic control module. The photoelectric main module includes a high-energy driving power source and a pulsed xenon light source. Auxiliary function optional modules include water/air cooling cooling module, cold light source filtering module, and photocatalytic module. The invention utilizes the automatic control module to cooperate with the optoelectronic main module and the auxiliary function matching module, so that the system can meet the needs of different scenarios and different functions in the cooperation of the customized optoelectronic main module and different auxiliary function matching modules. This system can not only realize rapid sterilization but also realize multi-occasion and multi-functional condition adaptation, and realize the sterilization function under different difficult conditions. It has considerable application prospects in the fields of medical and health, low-temperature cold chain, logistics and transportation, food safety, and fresh processing.
Description
Technical Field
The invention relates to the technical field of ultraviolet disinfection, in particular to a full-automatic high-adaptability wide-spectrum IPUV high-energy pulse ultraviolet disinfection system.
Background
Ultraviolet rays exist in sunlight, but ultraviolet rays in natural light have limited irradiation energy. Artificially obtained ultraviolet radiation (UVR) is an electromagnetic wave in the ultraviolet band generated by plasma luminescence or solid luminescence. Uv sterilization is one of the most common and oldest sterilization and disinfection techniques in medicine, and is an effective method for inactivating viruses and bacteria on solid surfaces, water, and in the air, which has been in history for hundreds of years so far. As early as the 19 th century, the use of uv light for disinfection was mentioned in Downes and Blunt studies. Danish scientists Niels Ryberg Finsen apply ultraviolet rays to the field of medical health, and realize treatment of skin diseases by ultraviolet sterilization. In 190 years, he was awarded a nobel physiological or medical prize. In 2003, the experts of the Chinese disease prevention and control center research and discovery show that the Chinese medicine composition is strong in useThe degree is more than 90 mu W/cm2The ultraviolet ray irradiates the coronavirus at the position of 80cm for 60min, so that the virus can be effectively killed. Compared with the disinfection modes of medical alcohol, disinfectant and the like, the ultraviolet disinfection technology is a physical disinfection method and has the advantages of high efficiency, rapidness, convenience, no secondary pollution, simplicity, practicability, easy operation and the like.
Ultraviolet radiation is generally divided into three types by wavelength: ultraviolet radiation with the wavelength of 315-400 nm is called ultraviolet radiation A band (UV-A for short); ultraviolet radiation with the wavelength of 280-315 nm is called an ultraviolet radiation B wave band (called UV-B for short); ultraviolet radiation with a wavelength of 100-280 nm is called ultraviolet radiation C band (UV-C for short). Among them, the UV-C band has the highest energy but the shortest wavelength, which is easily absorbed in the atmosphere, causes severe attenuation, and is also called "solar blind" UV band because it contains almost no UV light in the near-earth solar spectrum.
The inactivation mechanism of the microorganisms by destroying nucleic acid sterilization ultraviolet rays mainly utilizes the absorption of the ultraviolet rays by the nucleic acids (DNA and RNA) of the microorganisms to destroy the functions of the nucleic acids, thereby realizing disinfection and purification. When nucleic acids are irradiated with ultraviolet rays, ultraviolet light is absorbed in a large amount, and thus, a part of m-diazepine (mainly composed of protease) and isomers of m-diazepine are formed in vivo. This substance can cause metabolic dysfunction of the bacteria themselves and cause genetic problems in the bacteria, and continued exposure to ultraviolet radiation can ultimately lead to the death of the bacterial population for the reasons described above. DNA has the strongest absorption to ultraviolet rays with the wavelength of 265nm, and has the sterilization effect when the wavelength of light is below 300 nm; and the sterilizing effect is most obvious near 265 nm. The ozone-generating sterilizing low-pressure mercury vapor discharge can generate ultraviolet rays of 254nm and 185nm, after the ultraviolet rays are emitted from the glass tube, the ultraviolet rays of 254nm are absorbed by microorganisms, and the ultraviolet rays of 185nm and air react to generate ozone. When oxygen molecules in the air absorb ultraviolet light with the central wavelength of 185nm of the germicidal lamp, the photosensitization utilizes high-energy high-ozone ultraviolet light beams to decompose the oxygen molecules in the air to generate free oxygen (namely active oxygen) which is carried by the free oxygenThe negative electrons are not balanced and therefore need to combine with oxygen molecules to produce ozone. Ozone has strong oxidizing property, can kill bacteria propagules, spores, viruses, fungi and the like, can destroy botulinum toxin, and can inactivate enzyme by strong oxidizing action to cause death of microorganisms. The ozone has obvious effect of killing microbes in the air, and 30mg/m is adopted3The ozone with the concentration acts for 15min, the killing rate of the natural bacteria can reach more than 90 percent, and the ozone can remove peculiar smell, purify the environment and refresh the air.
Disclosure of Invention
The invention aims to provide a full-automatic high-adaptability broad-spectrum IPUV high-energy pulse ultraviolet disinfection system.
The system comprises a photoelectric main module, an auxiliary function matching module and an automatic control module, wherein the photoelectric main module and the auxiliary function matching module are connected and intelligently adjusted through the automatic control module; the photoelectric main module comprises a high-energy driving power supply and a pulse xenon lamp light source, the auxiliary function matching module comprises a water/air-cooled heat dissipation module, a cold light source filtering module and a photocatalysis module, the high-energy driving power supply and the pulse xenon lamp light source are connected through an automatic control module, and the water/air-cooled heat dissipation module, the cold light source filtering module and the photocatalysis module are all connected with the automatic control module.
Wherein, the pulse xenon lamp light source is formed by high-intensity sealing of a high-pressure resistant lamp tube filled with high-pressure xenon at the high temperature of 800-1000 ℃, and the energy of UVC wave band excited by one pulse of the pulse xenon lamp light source is 100mW/cm2～100W/cm2The range is adjusted, 1-100 pulses can be excited within 1s, and the adjustment mode is completed through the cooperative work of the high-energy driving power supply and the automatic control module.
The photoelectric main module can stably work within the temperature range of-50 ℃ to 50 ℃, and the continuous working time reaches more than 1000 hours; the frequency of the photoelectric main module is 10Hz, the irradiation height is 15cm, the pulse time is 10s, and the killing efficiency of the photoelectric main module on escherichia coli and staphylococcus aureus can reach more than 99.9 percent under the condition of-8 ℃.
254nm wave when 1KW electric energy is input to photoelectric main moduleThe energy released by long ultraviolet light at the distances of 0.05m, 0.2m and 1m is 240W/cm2、60W/cm2、12W/cm2The energy released by 265nm ultraviolet light at the distances of 0.05m, 0.2m and 1m is 260W/cm2、65 W/cm2、13W/cm2The energy released by ultraviolet light with a wavelength of 270nm at the distances of 0.05m, 0.2m and 1m is 283W/cm respectively2、70.75W/cm2、14.15W/cm2。
The water/air cooling heat dissipation module cools the high-energy driving power supply and the pulse xenon lamp light source, and the water/air cooling heat dissipation module can reduce the temperature of the high-energy driving power supply and the pulse xenon lamp light source from 100 ℃ to 25 ℃ within 5 s.
The cold light source filtering module directionally filters high-energy ultraviolet light excited by the pulse xenon lamp light source and filters UVC section high-energy ultraviolet light with the wavelengths of 254nm, 265nm and 270 nm.
The inside catalyst that is equipped with of photocatalysis module can be with the ozone catalysis conversion of being no less than 99% that the pulse xenon lamp light source produced in the work oxygen, and wherein catalyst is under 10000 airspeed conditions, and the catalytic efficiency to 1000ppm ozone reaches more than 99.9%.
Wherein the catalyst is a manganese-based catalyst, and 50g of catalyst is filled in the photocatalytic module every 400 hours of operation.
The system is mainly applied to the fields of medical health, low-temperature cold chain, logistics transportation, food safety, fresh processing and the like.
The technical scheme of the invention has the following beneficial effects:
in the above scheme, not only can realize the quick disinfection to virus and bacterium, but also can make full use of a small amount of ozone of this system's production secondary sterilization as far as possible, realize higher sterilization efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a full-automatic high-adaptability broad-spectrum IPUV high-energy pulse ultraviolet disinfection system of the present invention.
Wherein: 1-a photoelectric main module; 2-high energy driving power supply; 3-a pulsed xenon lamp light source; 4-an auxiliary function matching module; 5-water/air cooling heat dissipation module; 6-a cold light source filtering module; 7-a photocatalytic module; 8-an automation control module.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description is made with reference to the accompanying drawings and specific embodiments.
The invention provides a full-automatic high-adaptability broad-spectrum IPUV high-energy pulse ultraviolet disinfection and killing system.
As shown in fig. 1, the system includes a photoelectric main module 1, an auxiliary function matching module 4, and an automation control module 8, wherein the photoelectric main module 1 and the auxiliary function matching module 4 are connected and intelligently adjusted through the automation control module 8; the photoelectric main module 1 comprises a high-energy driving power supply 2 and a pulse xenon lamp light source 3, the auxiliary function matching module 4 comprises a water/air-cooled heat dissipation module 5, a cold light source filtering module 6 and a photocatalysis module 7, the high-energy driving power supply 2 and the pulse xenon lamp light source 3 are connected through an automation control module 8, and the water/air-cooled heat dissipation module 5, the cold light source filtering module 6 and the photocatalysis module 7 are all connected with the automation control module 8.
Wherein, the pulse xenon lamp light source 3 is formed by high-intensity sealing of a high-pressure resistant lamp tube filled with high-pressure xenon at the high temperature of 800-1000 ℃, and the energy of UVC wave band excited by one pulse of the pulse xenon lamp light source 3 is 100mW/cm2～100W/cm2Within range, 1-100 pulses can be excited within 1s, and the adjustment mode is completed through the cooperative work of the high-energy driving power supply 2 and the automatic control module 8.
The photoelectric main module 1 can stably work within the temperature range of-50 ℃ to 50 ℃, and the continuous working time reaches more than 1000 hours; the frequency of the photoelectric main module 1 is 10Hz, the irradiation height is 15cm, the pulse time is 10s, and the killing efficiency of the photoelectric main module on escherichia coli and staphylococcus aureus can reach more than 99.9 percent under the condition of-8 ℃.
When 1KW electric energy is input into the photoelectric main module 1, the energy released by ultraviolet light energy with 254nm wavelength at the distances of 0.05m, 0.2m and 1m is 240W/cm respectively2、60W/cm2、12W/cm2The energy released by 265nm ultraviolet light at the distances of 0.05m, 0.2m and 1m is respectivelyIs 260W/cm2、65 W/cm2、13W/cm2The energy released by ultraviolet light with a wavelength of 270nm at the distances of 0.05m, 0.2m and 1m is 283W/cm respectively2、70.75W/cm2、14.15W/cm2。
The water/air cooling heat dissipation module 5 cools the high-energy driving power supply 2 and the pulse xenon lamp light source 3, and the water/air cooling heat dissipation module 5 can reduce the temperature of the high-energy driving power supply 2 and the pulse xenon lamp light source 3 from 100 ℃ to 25 ℃ within 5 s.
The cold light source filtering module 6 directionally filters the high-energy ultraviolet light excited by the pulse xenon lamp light source 3, and filters out UVC section high-energy ultraviolet light with wavelengths of 254nm, 265nm and 270 nm.
The inside of the photocatalytic module 7 is provided with a catalyst, which can convert at least 99% of ozone generated in the work of the pulse xenon lamp light source 3 into oxygen in a catalytic manner, wherein the catalytic efficiency of the catalyst on 1000ppm ozone reaches more than 99.9% under the condition of 10000 space velocity.
Wherein the catalyst is a manganese-based catalyst, and 50g of catalyst is filled in the photocatalytic module every 400 hours of operation.
When the system works specifically, high voltage of ten thousand volts is applied to two ends of a pulse xenon lamp light source 3 through a high-energy driving power supply 2, so that the pulse xenon lamp light source 3 can release high-strength ultraviolet light in a short time, germs in air water bodies are killed, meanwhile, a water/air cooling heat dissipation module 5 automatically adjusts specific working power and modes of the water/air cooling heat dissipation module 5 through real-time measurement of the high-energy driving power supply 2 and the temperature of the whole body of the pulse xenon lamp light source 3 and through temperature feedback of a temperature sensor. Cold light source filter module 6 and photocatalysis module 7 belong to fixed passive work module, and cold light source filter module 6 can the directional regulation release the ultraviolet ray of what kind of wavelength to this matches suitable ultraviolet intensity and wavelength when different operational environment, and what photocatalysis module 7 can be free installs on box or shell, with the unnecessary ozone of assurance degradation, avoids the excessive of ozone. The refraction of the ultraviolet light generated by the system in the air is negligible, and the refraction angle in the water body is slightly smaller than the incident angle.
The foregoing is a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should be considered as the protection scope of the present invention.
Claims (8)
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| CN202110714692.6A CN113368274A (en) | 2021-06-25 | 2021-06-25 | Full-automatic high-adaptability wide-spectrum IPUV high-energy pulse ultraviolet disinfection and killing system |
| US18/551,775 US20240173447A1 (en) | 2021-06-25 | 2022-06-13 | High-adaptability pulsed ultraviolet disinfection and sterilization system |
| PCT/CN2022/098470 WO2022267924A1 (en) | 2021-06-25 | 2022-06-13 | Highly-adaptive pulse ultraviolet disinfection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114185293A (en) * | 2021-12-10 | 2022-03-15 | 无锡市智控科技有限公司 | Efficient sterilization device based on deep ultraviolet rays |
| CN115463231A (en) * | 2022-09-27 | 2022-12-13 | 北京科技大学 | Aircraft cabin disinfecting robot and working method thereof |
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| US6264836B1 (en) * | 1999-10-21 | 2001-07-24 | Robert M. Lantis | Method and apparatus for decontaminating fluids using ultraviolet radiation |
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| CN103528940A (en) * | 2012-07-05 | 2014-01-22 | 阿特拉斯材料测试技术公司 | Device to simulate a UV spectral characteristic using UV-LEDs |
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