CN111803670B - Object surface virus killing device and method based on plasma jet - Google Patents
Object surface virus killing device and method based on plasma jet Download PDFInfo
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- CN111803670B CN111803670B CN202010684124.1A CN202010684124A CN111803670B CN 111803670 B CN111803670 B CN 111803670B CN 202010684124 A CN202010684124 A CN 202010684124A CN 111803670 B CN111803670 B CN 111803670B
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- shell
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- hot air
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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
- A61L2/14—Plasma, i.e. ionised gases
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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
- A61L2/26—Accessories or devices or components used for biocidal treatment
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
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- General Health & Medical Sciences (AREA)
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- Spectroscopy & Molecular Physics (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
An object surface virus killing device and method based on plasma jet flow, the device includes a shell, a protective isolation net, an axial fan, a heater, a sliding arc exciter array, a water storage box, a power supply and a handle; the protection isolation net, the axial flow fan, the heater and the sliding arc exciter array are smoothly arranged in the shell, an atomization area is formed between the heater and the sliding arc exciter array, the water storage box is arranged at the top of the shell and located above the atomization area, and the water storage box is communicated with the atomization area through a negative pressure water delivery pipe. The method comprises the following steps: the power supply is switched on, air flows through the protective isolation net, the axial flow fan and the heater in sequence under the driving of the axial flow fan, the formed hot air flows through the atomization zone, negative pressure is formed in the atomization zone, under the action of the negative pressure, water in the water storage box is sprayed into the atomization zone through the negative pressure water conveying pipe and is mixed with hot air, the hot air mixed with the water vapor is heated to be water vapor, the hot air mixed with the water vapor flows through the sliding arc exciter array, and ionized active particle jet flow is sprayed out of the shell to kill viruses on the surface of an object.
Description
Technical Field
The invention belongs to the technical field of virus killing, and particularly relates to object surface virus killing equipment and method based on plasma jet.
Background
In a special period of the prevention and control of the epidemic situation of the new coronary pneumonia, the normalized virus killing work is particularly important, the current virus killing mainly adopts a mode of spraying disinfectant, and the disinfectant mainly adopts 84 disinfectant and medical alcohol. However, the above two kinds of disinfection solutions are not suitable for spraying on all object surfaces, because some object surfaces made of certain materials are damaged by 84 disinfection solutions and medical alcohol, and therefore, the surfaces made of these materials cannot be disinfected by spraying disinfection solutions.
Besides the mode of spraying disinfectant to kill viruses, an ultraviolet ray disinfection mode and a high-temperature disinfection mode can be adopted, wherein the ultraviolet ray disinfection mode generally needs a characteristic disinfection room, and the disinfection efficiency is low, so that the limitation of the ultraviolet ray disinfection mode is large. For the high-temperature sterilization mode, the application range is too small, and the surfaces of a plurality of objects cannot bear high temperature, so that the surfaces of most objects are not applicable to the high-temperature sterilization mode.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the object surface virus killing equipment and method based on the plasma jet, which have the characteristics of simple structure, convenience in carrying and wide applicable object surface range, can be used by holding in hand and can kill viruses on the object surface, and simultaneously have the advantage of high killing efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme: an object surface virus killing device based on plasma jet comprises a shell, a protective isolation net, an axial fan, a heater, a sliding arc exciter array, a water storage box, a power supply and a handle; the shell is of a cylindrical structure, the protective isolation net is arranged at a cylinder opening at one end of the shell, the sliding arc exciter array is arranged at a cylinder opening at the other end of the shell, the axial flow fan is arranged in the shell, the axial flow fan is adjacent to the protective isolation net, the heater is arranged in the shell, the heater is adjacent to the axial flow fan, and the axial flow fan is positioned between the protective isolation net and the heater; an atomization area is formed between the heater and the sliding arc exciter array; the water storage box is arranged at the top of the shell and is positioned above the atomization area, the top of the water storage box is provided with a water injection port and an atmospheric pressure balance hole, and a ventilation water stop valve is arranged in the atmospheric pressure balance hole; the inside of the water storage box is communicated with the atomization area through a negative pressure water delivery pipe; the lifting handle is arranged at the top of the shell and is positioned behind the water storage box, and a starting button is arranged on the lifting handle; the power supply is arranged at the bottom of the shell, and the axial flow fan, the heater and the sliding arc exciter array are all powered by the power supply.
A plasma jet-based object surface virus killing method adopts the plasma jet-based object surface virus killing equipment and comprises the following steps: the handle is held by a hand, the starting button is pressed simultaneously to switch on the power supply, the axial flow fan, the heater and the sliding arc exciter array finish the power-on starting, air is sucked into the shell from the outside of the shell under the driving action of the axial flow fan, the sucked air sequentially flows through the protective isolation net, the axial flow fan and the heater, is heated into hot air when flowing through the heater and then flows through the atomization zone, the pressure in the atomization zone is lower than the atmospheric pressure when the hot air flows through the atomization zone, so that a negative pressure effect is formed in the atomization zone, water in the water storage box enters the negative pressure water pipe under the negative pressure action at the moment and then is sprayed into the atomization zone and mixed with the hot air until the hot air is heated and changed into steam, and finally the hot air flows to the sliding arc exciter array along with the hot air, when the hot air mixed with the steam flows through an ionization channel between a low-voltage electrode and a high-voltage electrode in the sliding arc exciter array, gas molecules can be ionized into active particles, the active particles can be rapidly sprayed out of the shell along with the airflow, at the moment, the shell barrel mouth at the end where the sliding arc exciter array is located is aligned to the surface of an object, and then virus killing can be carried out on the surface of the object through active particle jet flow.
The invention has the beneficial effects that:
the object surface virus killing device and method based on the plasma jet flow have the characteristics of simple structure, convenience in carrying, high killing efficiency and wide applicable object surface range, and can kill viruses on the object surface in a handheld mode.
Drawings
FIG. 1 is a schematic structural diagram of a plasma jet-based object surface virus killing device according to the present invention;
in the figure, 1-shell, 2-protective separation net, 3-axial fan, 4-heater, 5-sliding arc exciter array, 6-water storage box, 7-power supply, 8-handle, 9-atomization zone, 10-water injection port, 11-atmospheric pressure balance hole, 12-negative pressure water pipe, 13-start button.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1, an object surface virus killing device based on plasma jet comprises a shell 1, a protective isolation net 2, an axial fan 3, a heater 4, a sliding arc exciter array 5, a water storage box 6, a power supply 7 and a handle 8; the shell 1 is of a cylindrical structure, the protective isolation net 2 is arranged at a cylinder opening at one end of the shell 1, the sliding arc exciter array 5 is arranged at a cylinder opening at the other end of the shell 1, the axial flow fan 3 is arranged in the shell 1, the axial flow fan 3 is adjacent to the protective isolation net 2, the heater 4 is arranged in the shell 1, the heater 4 is adjacent to the axial flow fan 3, and the axial flow fan 3 is positioned between the protective isolation net 2 and the heater 4; an atomization area 9 is formed between the heater 4 and the sliding arc exciter array 5; the water storage box 6 is arranged at the top of the shell 1 and is positioned above the atomization area 9, a water injection port 10 and an atmospheric pressure balance hole 11 are arranged at the top of the water storage box 6, and a ventilation water stop valve is arranged in the atmospheric pressure balance hole 11; the inside of the water storage box 6 is communicated with the atomization area 9 through a negative pressure water delivery pipe 12; the handle 8 is arranged at the top of the shell 1 and is positioned behind the water storage box 6, and a starting button 13 is arranged on the handle 8; the power supply 7 is arranged at the bottom of the shell 1, and the axial flow fan 3, the heater 4 and the sliding arc exciter array 5 are all powered by the power supply 7.
A plasma jet-based object surface virus killing method adopts the plasma jet-based object surface virus killing equipment and comprises the following steps: the handle 8 is held by a hand, the starting button 13 is pressed at the same time, the power supply 7 is switched on, the axial flow fan 3, the heater 4 and the sliding arc exciter array 5 are powered on and started, air is sucked into the shell 1 from the outside of the shell 1 under the driving action of the axial flow fan 3, the sucked air sequentially flows through the protective isolation net 2, the axial flow fan 3 and the heater 4, is heated into hot air when flowing through the heater 4 and then flows through the atomization zone 9, the pressure in the atomization zone 9 is lower than the atmospheric pressure when the hot air flows through the atomization zone 9, a negative pressure effect is formed in the atomization zone 9, at the moment, water in the water storage box 6 enters the negative pressure water conveying pipe 12 under the negative pressure action, then is sprayed into the atomization zone 9 and is mixed with the hot air until the hot air is heated and changed into steam, and finally flows to the sliding arc exciter array 5 along with the hot air, when hot air mixed with water vapor flows through an ionization channel between a low-voltage electrode and a high-voltage electrode in the sliding arc exciter array 5, gas molecules are ionized into active particles, the active particles can be rapidly sprayed out of the shell 1 along with the air flow, at the moment, the cylindrical opening of the shell 1 at the end of the sliding arc exciter array 5 is aligned to the surface of an object, and virus killing can be carried out on the surface of the object through active particle jet flow.
In the actual use process, the active particle jet length can be adjusted according to the actual condition, specifically by adjusting the rotating speed of the axial flow fan 3 and the discharge voltage of the sliding arc exciter array 5. As the water vapor is mixed in the hot air, when the water vapor flows through the sliding arc exciter array 5, a large amount of OH-ions are formed, and the OH-ions have very high activity, and the active particles are easy to chemically react with protein and nucleic acid in the virus, so that the virus is destroyed to be inactivated and killed, and finally, the efficient killing of the virus is realized.
The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications without departing from the scope of the present invention are intended to be included in the scope of the present invention.
Claims (1)
1. A plasma jet-based object surface virus killing method adopts plasma jet-based object surface virus killing equipment, and the equipment comprises a shell, a protective isolation net, an axial fan, a heater, a sliding arc exciter array, a water storage box, a power supply and a handle; the shell is of a cylindrical structure, the protective isolation net is arranged at a cylinder opening at one end of the shell, the sliding arc exciter array is arranged at a cylinder opening at the other end of the shell, the axial flow fan is arranged in the shell, the axial flow fan is adjacent to the protective isolation net, the heater is arranged in the shell, the heater is adjacent to the axial flow fan, and the axial flow fan is positioned between the protective isolation net and the heater; an atomization area is formed between the heater and the sliding arc exciter array; the water storage box is arranged at the top of the shell and is positioned above the atomization area, the top of the water storage box is provided with a water injection port and an atmospheric pressure balance hole, and a ventilation water stop valve is arranged in the atmospheric pressure balance hole; the inside of the water storage box is communicated with the atomization area through a negative pressure water delivery pipe; the lifting handle is arranged at the top of the shell and is positioned behind the water storage box, and a starting button is arranged on the lifting handle; the power supply is arranged at the bottom of the shell, and the axial flow fan, the heater and the sliding arc exciter array are all powered by the power supply; the method is characterized by comprising the following steps: the handle is held by a hand, the starting button is pressed simultaneously to switch on the power supply, the axial flow fan, the heater and the sliding arc exciter array finish the power-on starting, air is sucked into the shell from the outside of the shell under the driving action of the axial flow fan, the sucked air sequentially flows through the protective isolation net, the axial flow fan and the heater, is heated into hot air when flowing through the heater and then flows through the atomization zone, the pressure in the atomization zone is lower than the atmospheric pressure when the hot air flows through the atomization zone, so that a negative pressure effect is formed in the atomization zone, water in the water storage box enters the negative pressure water pipe under the negative pressure action at the moment and then is sprayed into the atomization zone and mixed with the hot air until the hot air is heated and changed into steam, and finally the hot air flows to the sliding arc exciter array along with the hot air, when the hot air mixed with the steam flows through an ionization channel between a low-voltage electrode and a high-voltage electrode in the sliding arc exciter array, gas molecules can be ionized into active particles, the active particles can be rapidly sprayed out of the shell along with the airflow, at the moment, the shell barrel mouth at the end where the sliding arc exciter array is located is aligned to the surface of an object, and then virus killing can be carried out on the surface of the object through active particle jet flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010684124.1A CN111803670B (en) | 2020-07-16 | 2020-07-16 | Object surface virus killing device and method based on plasma jet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010684124.1A CN111803670B (en) | 2020-07-16 | 2020-07-16 | Object surface virus killing device and method based on plasma jet |
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| Publication Number | Publication Date |
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| CN111803670A CN111803670A (en) | 2020-10-23 |
| CN111803670B true CN111803670B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010684124.1A Active CN111803670B (en) | 2020-07-16 | 2020-07-16 | Object surface virus killing device and method based on plasma jet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115350299B (en) * | 2022-09-26 | 2024-03-29 | 清华大学 | Electric sterilizing equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992015184A1 (en) * | 1991-02-20 | 1992-09-03 | Zhan Kapashevich Kulzhanov | Method of forming electric arc discharge in a plasma generator and plasma generator |
| CN101156955A (en) * | 2007-11-21 | 2008-04-09 | 中山大学 | Non-equilibrium plasma type spray disinfection sanitizer generating apparatus |
| CN110642332A (en) * | 2019-10-12 | 2020-01-03 | 大连民族大学 | Array jet water purifier |
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2020
- 2020-07-16 CN CN202010684124.1A patent/CN111803670B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992015184A1 (en) * | 1991-02-20 | 1992-09-03 | Zhan Kapashevich Kulzhanov | Method of forming electric arc discharge in a plasma generator and plasma generator |
| CN101156955A (en) * | 2007-11-21 | 2008-04-09 | 中山大学 | Non-equilibrium plasma type spray disinfection sanitizer generating apparatus |
| CN110642332A (en) * | 2019-10-12 | 2020-01-03 | 大连民族大学 | Array jet water purifier |
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| CN111803670A (en) | 2020-10-23 |
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