CN111840628A - Novel low-temperature plasma air disinfection device - Google Patents
Novel low-temperature plasma air disinfection device Download PDFInfo
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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
- A61L9/22—Ionisation
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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
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/10—Preparation of ozone
- C01B13/11—Preparation of ozone by electric discharge
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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
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/11—Apparatus for controlling air treatment
- A61L2209/111—Sensor means, e.g. motion, brightness, scent, contaminant sensors
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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
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/13—Dispensing or storing means for active compounds
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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
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/21—Use of chemical compounds for treating air or the like
- A61L2209/212—Use of ozone, e.g. generated by UV radiation or electrical discharge
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/20—Electrodes used for obtaining electrical discharge
- C01B2201/24—Composition of the electrodes
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/30—Dielectrics used in the electrical dischargers
- C01B2201/34—Composition of the dielectrics
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/70—Cooling of the discharger; Means for making cooling unnecessary
- C01B2201/72—Cooling of the discharger; Means for making cooling unnecessary by air
Abstract
The invention discloses a novel low-temperature plasma air disinfection device, which comprises a low-temperature plasma generator, an air environment sensor, an intelligent processor and a power supply, wherein the low-temperature plasma generator is connected with the air environment sensor; the air environment sensor is used for detecting the concentration of an active substance in the environment; and the intelligent processor reads the data detected by the air environment sensor and adjusts the input voltage and pulse frequency of the power supply to the low-temperature plasma generator so as to enable the concentration of ozone in the environment to be lower than the preset highest ozone concentration. The invention can intelligently adjust and monitor the concentration of the indoor ozone within a safe range through the intelligent processor and the air environment sensor according to the characteristics of different molecular masses and different ionization energies of oxygen and nitrogen, the generated harmful products of the nitrogen oxide are few, the nitrogen oxide aggregation phenomenon with high carcinogenic toxicity can not occur, and the problem of generating carcinogenic nitrogen oxide byproducts when natural air is used as a raw material for ionization is solved.
Description
Technical Field
The invention relates to the technical field of plasma disinfection, in particular to a novel low-temperature plasma air disinfection device.
Background
The low-temperature plasma disinfection is a novel air disinfection technology, and has the advantages of strong disinfection effect, short action time, environmental protection, safety, low energy consumption and long service lifeLong, etc. The plasma is an ionized gas-like substance consisting of positive and negative ions generated after air ionization, is considered as a fourth form of the substance except solid, liquid and gas, and is electrically neutral to the outside. The positive ions and the negative ions generated by the low-temperature plasma generator simultaneously generate huge energy release at the moment of neutralizing positive and negative charges in the air, so that the structure of bacteria around the low-temperature plasma generator is changed to cause the bacteria to die, and the sterilization effect of the low-temperature plasma generator is realized. Because the quantity of the negative ions is greater than that of the positive ions, redundant negative ions still float in the air, and the effects of eliminating indoor smoke, benzene, formaldehyde, ammonia gas and the like can be achieved, so that peculiar smell is eliminated, and the quality of the air is improved. The low temperature plasma contains a large amount of active oxygen components, such as monatomic oxygen (-O), ozone (O)3) Neutral metastable oxygen molecule, hydroxyl (-OH) radical, etc., wherein O3The gas components can rapidly diffuse into the whole sterilization space, no dead angle exists in sterilization, and O is3Because of poor stability, the ozone can be decomposed into oxygen or single oxygen atom rapidly, the single oxygen atom can be combined into oxygen molecule automatically, the hydroxyl radical sterilization product is water molecule and oxygen molecule, no toxic substance residue exists, and when the ozone concentration is lower than the limit value of the allowable contact of human body, no harm can be generated to human body. The low-temperature plasma has low macroscopic temperature which is close to room temperature, and the low-temperature plasma is adopted for air disinfection, so that the air disinfection device can be completely used under the condition of people, work and disinfection are realized, indoor air is continuously disinfected and purified dynamically, and the propagation and regeneration of germs are prevented. Compared with other electrochemical disinfection methods, the plasma disinfection method has the technical advantages of simple operation, high disinfection efficiency, low energy consumption, relatively higher safety and the like.
The key core for realizing dynamic disinfection is that the released disinfection factors cannot cause harm to human bodies, namely, toxic substances cannot be generated or the toxicity is low and controllable. The nitrogen oxide is a carcinogenic substance recognized by the international health organization at present, and the ozone generator in the prior art utilizes air as a raw material, and generates a large amount of nitrogen oxide while generating ozone by high-voltage ionization.
Therefore, how to manufacture an ozone generator which can not generate nitrogen oxides is a problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a novel low-temperature plasma air disinfection device, which can intelligently adjust and monitor the concentration of indoor ozone within a safe range through an intelligent processor and an air environment sensor according to the characteristics of different molecular masses and different ionization energies of oxygen and nitrogen, generates few harmful products of nitrogen oxide, does not generate the phenomenon of nitrogen oxide aggregation with high carcinogenic toxicity, overcomes the problem of generating carcinogenic nitrogen oxide byproducts when natural air is used as a raw material for ionization, and can solve the problems in the background technology.
In order to achieve the purpose, the invention provides a novel low-temperature plasma air disinfection device which comprises a low-temperature plasma generator, an air environment sensor, an intelligent processor and a power supply, wherein the power supply is electrically connected with the low-temperature plasma generator, the air environment sensor and the intelligent processor respectively;
The air environment sensor is used for detecting the concentration of an active substance in the environment;
and the intelligent processor reads the data detected by the air environment sensor and adjusts the input voltage and pulse frequency of the power supply to the low-temperature plasma generator so as to enable the ozone concentration in the environment to be lower than the preset highest ozone concentration.
Preferably, when the air environment sensor detects that the concentration of ozone in the environment is not lower than a preset maximum ozone concentration, the intelligent processor stops the power supply of the power supply to the low-temperature plasma generator.
The amount of active species in the low temperature plasma is closely related to the input voltage power and pulse shape, and a corresponding voltage waveform is required to match for a specific dielectric barrier discharge reactor to achieve the optimal ozone yield and match value without generating nitrogen oxides. The device accurately produces the high-purity ozone with extremely tiny nitrogen oxides by adjusting discharge process parameters according to the characteristics of different molecular masses and different ionization energies of oxygen and nitrogen.
Preferably, the low-temperature plasma generator comprises two coaxial cylindrical electrodes arranged side by side, the outer walls of the coaxial cylindrical electrodes are quartz media, alloy electrode materials are filled in the coaxial cylindrical electrodes, and the quartz media and the alloy electrode materials are coaxially arranged without gaps. The outer wall of the coaxial cylindrical electrode adopts a high-impedance quartz medium to seal the electrode, and filament discharge blocked by the quartz medium is formed, the discharge voltage is only 2000 volts, and the coaxial cylindrical electrode has small discharge spark energy, high safety and small volume.
Preferably, the two coaxial cylindrical electrodes are arranged in parallel to form a dielectric barrier discharge.
Preferably, one end of the coaxial cylindrical electrode is closed by a quartz medium, and the other end of the coaxial cylindrical electrode extends to the outer side of the coaxial cylindrical electrode and is connected with the power supply.
Preferably, the alloy electrode material is a titanium alloy. The titanium alloy has higher hardness, can not cause quartz medium on the outer wall of the coaxial cylinder electrode to be broken, has the advantage of corrosion resistance, and is suitable for extreme environments such as ocean and the like.
Preferably, the novel low-temperature plasma air disinfection device further comprises a heat dissipation device, the heat dissipation device is used for dissipating heat of the low-temperature plasma generator, and the heat dissipation device is electrically connected with the power supply.
Preferably, the heat sink is a fan.
Preferably, novel low temperature plasma air disinfection device still includes the WIFI module, the WIFI module with intelligent treater electric connection. Big data analysis can be carried out simultaneously with data upload backstage through the WIFI module, realizes two-way parallel low accurate precaution and accurate disinfection of carrying out.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention can intelligently adjust and monitor the concentration of the indoor ozone within a safe range through the intelligent processor and the air environment sensor according to the characteristics of different molecular masses and different ionization energies of oxygen and nitrogen. Meanwhile, by adjusting the discharge voltage, the harmful products of the nitrogen oxides are extremely tiny, the phenomenon of nitrogen oxide aggregation with high carcinogenic toxicity can not occur, and the problem that carcinogenic nitrogen oxide byproducts are derived when natural air is used as a raw material for ionization is solved.
(2) The invention generates a plurality of disinfection factors of charged particles and active oxygen components by quartz medium barrier discharge, wherein the charged particles with higher energy can puncture the external structures of microbes such as bacteria, and the active oxygen components can react with macromolecules such as protein, nucleic acid, lipid and the like in the external structures of the microbes such as bacteria, and the like to generate an etching effect to destroy the structure of a microbial membrane and change the permeability of cells so as to lead the cells to be completely dead. In the case of viruses, particles with strong oxidative effects can disrupt the outer protein coat of the virus, interacting with the central nucleic acid, and causing the virus to die.
(3) The invention adopts coaxial cylinder electrodes, the outer walls of the coaxial cylinder electrodes adopt high-impedance quartz medium closed electrodes, the two coaxial cylinder electrodes are arranged in parallel to form filiform discharge blocked by the quartz medium, the discharge voltage is only 2000 volts, and the discharge spark energy is small, the safety is high and the volume is small.
(4) The invention adopts an integrated design of integration of intelligent monitoring, controlling and treating, wherein the low-temperature plasma generator is a high-efficiency disinfection treatment execution unit adopting a micro-manufacturing technology, and has the function of releasing a large amount of disinfection factors to realize environmental disinfection and air cleaning; the air environment sensor adopts an MAMS technology, accurately senses concentration data of volatile organic compounds, temperature and humidity, carbon dioxide, ozone and nitric oxides in air, and can identify and proportion the flow of people, the environment where bacteria and viruses grow, the concentration of the volatile organic compounds and the release concentration equivalent of disinfection factors on site after analog-to-digital conversion and bottom-layer embedded software operation analysis, so that an intelligent safe disinfection closed-loop system is formed; because the equipment adopts micro-manufacturing and integration technology, the energy consumption is low, the efficiency is high, the lithium battery can be continuously sterilized for more than 6 hours in an environment of 240m3 after being charged, and the equipment can be applied to more severe environment.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic structural diagram of a low-temperature plasma generator according to the present invention;
FIG. 3 is a front view of the coaxial cylindrical electrode of the present invention;
fig. 4 is a cross-sectional view of the coaxial cylindrical electrode of the present invention.
In the figure: 1. a low temperature plasma generator; 2. an air environment sensor; 3. an intelligent processor; 4. a heat sink; 5. a power source; 6. a WIFI module; 7. a coaxial cylindrical electrode; 8. a quartz medium; 9. an alloy electrode material.
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. 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.
Fig. 1 shows a block diagram of the structure of the novel low-temperature plasma air disinfection device of the present embodiment, which includes a low-temperature plasma generator 1, an air environment sensor 2, an intelligent processor 3, a heat dissipation device 4 and a power supply 5; the power supply 5 is respectively electrically connected with the low-temperature plasma generator 1, the air environment sensor 2 and the intelligent processor 3, and the intelligent processor 3 is electrically connected with the air environment sensor 2;
The air environment sensor 2 is used to detect the concentration of active substances in the environment.
The intelligent processor 3 reads the data detected by the air environment sensor 2 and adjusts the input voltage and pulse frequency of the power supply 5 to the low-temperature plasma generator 1 so as to make the ozone concentration in the environment lower than the preset highest ozone concentration.
When the air environment sensor 2 detects that the ozone concentration in the environment is not lower than the preset highest ozone concentration, the intelligent processor 3 stops the power supply of the power supply 5 to the low-temperature plasma generator 1.
The amount of active species in the low temperature plasma is closely related to the input voltage power and pulse shape, and a corresponding voltage waveform is required to match for a particular dielectric barrier discharge reactor to achieve optimal ozone yield. The device accurately produces the high-purity ozone with extremely tiny nitrogen oxides by adjusting discharge process parameters according to the characteristics of different molecular masses and different ionization energies of oxygen and nitrogen.
The low-temperature plasma generator 1 comprises two coaxial cylindrical electrodes 7 arranged side by side, the outer walls of the coaxial cylindrical electrodes 7 are quartz media 8, alloy electrode materials 9 are filled in the coaxial cylindrical electrodes 7, the quartz media 8 and the alloy electrode materials 9 are coaxially and seamlessly arranged, one end of each coaxial cylindrical electrode 7 is sealed by the quartz media 5, and the alloy electrode materials 9 at the other end extend to the outer side of the coaxial cylindrical electrode 7 to be connected with a power supply 5 for power supply. The outer wall of the coaxial cylindrical electrode 7 adopts a high-impedance quartz medium 8 to seal the electrode, the two coaxial cylindrical electrodes 7 are arranged in parallel to form filiform discharge blocked by the quartz medium 8, the discharge voltage is only 2000 volts, and the discharge spark energy is small, the safety is high, and the size is small.
In a preferred embodiment, the alloy electrode material 9 is a titanium alloy. The titanium alloy has higher hardness, can not cause the quartz medium 8 on the outer wall of the coaxial cylinder electrode 7 to be broken, has the advantage of corrosion resistance, and is suitable for extreme environments such as ocean and the like.
The heat sink 4 is used to dissipate heat from the low-temperature plasma generator 1. Preferably, the heat dissipation device 4 is a fan.
In a preferred embodiment, the novel low-temperature plasma air sterilization device further comprises a WIFI module 6, wherein the WIFI module 6 is electrically connected with the intelligent processor 3. Big data analysis can be carried out simultaneously with data upload backstage through WIFI module 6, realizes that two-way parallel is low to carry out accurate precaution and accurate disinfection.
Example 1 ozone concentration and harmful nitrogen oxide concentration test with certain conventional corona discharge ozone generator
The air outlet of the device is measured by adopting a Shanghai Weitai pump suction type WT80 series detector.
Table 1 table for detecting and analyzing concentration of harmful derivatives of nitrogen oxides
It can be seen from the comparative data in table 1 that, compared with the current similar electrochemical sterilization equipment, the novel low-temperature plasma air sterilization device has less harmful nitrogen oxide products, does not generate the nitrogen oxide aggregation phenomenon with high carcinogenic toxicity, and overcomes the problem of generating carcinogenic nitrogen oxide byproducts when natural air is used as a raw material for ionization. In addition, the micro ozone also has better biological safety, and the maximum allowable concentration of the ozone in the air is 0.3mg/m specified by the national ministry of health 3(0.15ppm), the labor legislation specifies a safe concentration of ozone, O.1ppm, at which workers cannot work continuously for more than ten hours. When the ozone concentration of a human body is below 0.15ppm, the human body can not be influenced or damaged by contacting ozone for a short time in public environments such as an elevator, an indoor environment and the like, and the highest ozone concentration can be set by a person skilled in the art according to needs and is not higher than O.1ppm-0.15 ppm.
TABLE 2 comparison of energy consumption for UV lamp disinfection
As can be seen from the comparative data in Table 2, the energy consumption of the novel low-temperature plasma air disinfection device is only 3% of that of the ultraviolet disinfection, and the energy consumption is low.
Example 3 bacterial virus air sanitization test
The test is carried out by the microorganism detection center of Guangdong province according to the test specification of national ministry of health (Disinfection technical Specification) 2002 edition 3.1.
TABLE 3 bacterial virus air sanitization test report results
The test data is shown in table 3, which proves that the novel low-temperature plasma air disinfection device has obvious disinfection and inactivation effects on the bacteria and viruses in the tested air.
EXAMPLE 4 in-situ testing of air and object surface Disinfection
Under the actual field environment that the novel low-temperature plasma air disinfection device is used for carrying out dynamic disinfection on the object surface (taking the culture dish surface as a simulation state) of a clean workshop of a certain medical instrument production enterprise, according to pharmacopoeia of the people's republic of China (2015 edition), staphylococcus aureus and escherichia coli are adopted for carrying out the test of the field disinfection effect.
TABLE 4 analysis of the data from the surface test of the Petri dish
The test data is shown in table 4, which proves that the novel low-temperature plasma air disinfection device has obvious sterilization effect under the actual field environment of dynamic disinfection.
EXAMPLE 5 indoor space article Sterilization test
3 pieces of clean clothes in a laundry room under a D-level environment are disinfected, cotton swabs are used for respectively coating the collar, the cuffs and the foot openings of the clean clothes, the sampling area is 25cm2, and the growth condition of microorganisms is observed under the conditions that the experimental temperature is 23.5 ℃, the humidity is 56% RH and the room volume is 24m 3.
TABLE 5 Disinfection Effect of clean clothes in laundry
The test data are shown in table 5, which proves that the novel low-temperature plasma air disinfection device also has obvious disinfection effect on the inside of the laundry room under the D-level environment.
In conclusion, the harmful nitrogen oxide products generated by the novel low-temperature plasma air disinfection device are few, the nitrogen oxide gathering phenomenon with high carcinogenic toxicity can not occur, and the problem that carcinogenic nitrogen oxide byproducts are derived when natural air is used as a raw material for ionization is solved.
This novel low temperature plasma air disinfection device has that the action time is short, do not have the toxicity accessory substance, can be at the room temperature normal pressure characteristics of disinfecting of lasting developments, can broad-spectrum, high-efficient inactivation bacteria virus, because plasma does not form the toxic substance, does not have any toxic substance to remain, and the remaining active particle can degrade fast after cutting off the power, has good security. This novel low temperature plasma degassing unit does not produce harmful effects basically to establishing the facility in human body and the environment, consequently can be used to the environment that has the people's activity to carry out the disinfection of continuously starting up like intensive public environment of personnel such as hospital operating room, ICU and school, market, elevator, subway public transit and purify, reduces the microorganism quantity of dynamic environment, reduces the probability that bacterial virus propagates and infects in the crowd by a wide margin, and infection and epidemic propagation have the significance to prevention and control hospital.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A novel low-temperature plasma air disinfection device is characterized by comprising a low-temperature plasma generator, an air environment sensor, an intelligent processor and a power supply, wherein the power supply is electrically connected with the low-temperature plasma generator, the air environment sensor and the intelligent processor respectively;
the air environment sensor is used for detecting the concentration of an active substance in the environment;
and the intelligent processor reads the data detected by the air environment sensor and adjusts the input voltage and pulse frequency of the power supply to the low-temperature plasma generator so as to enable the ozone concentration in the environment to be lower than the preset highest ozone concentration.
2. The novel low-temperature plasma air sterilization device according to claim 1, wherein the intelligent processor stops the power supply of the power supply to the low-temperature plasma generator when the air environment sensor detects that the ozone concentration in the environment is not lower than a preset maximum ozone concentration.
3. The novel low-temperature plasma air disinfection device as claimed in claim 1, wherein the low-temperature plasma generator comprises two coaxial cylindrical electrodes arranged side by side, the outer walls of the coaxial cylindrical electrodes are quartz media, the interiors of the coaxial cylindrical electrodes are filled with alloy electrode materials, and the quartz media and the alloy electrode materials are coaxially arranged without gaps.
4. A novel low-temperature plasma air sterilizer as claimed in claim 3, wherein two of said coaxial cylindrical electrodes are arranged in parallel to form a dielectric barrier discharge.
5. The novel low-temperature plasma air disinfection device as claimed in claim 4, wherein one end of the coaxial cylinder electrode is closed by quartz medium, and the other end of the coaxial cylinder electrode extends to the outer side of the coaxial cylinder electrode and is connected with the power supply.
6. A novel low temperature plasma air sterilizer as claimed in any one of claims 3 to 5, wherein the alloy electrode material is a titanium alloy.
7. The novel low-temperature plasma air sterilization device according to claim 1, further comprising a heat dissipation device for dissipating heat from the low-temperature plasma generator, wherein the heat dissipation device is electrically connected to the power supply.
8. The novel low-temperature plasma air disinfection device of claim 1, further comprising a WIFI module electrically connected to the intelligent processor.
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| CN112361536A (en) * | 2020-11-04 | 2021-02-12 | 杭州宏海新空气科技有限公司 | Plasma density control equipment and method |
| CN112972723A (en) * | 2021-02-24 | 2021-06-18 | 西安交通大学 | Discharge plasma disinfection device combining nitrogen oxide mode and ozone mode |
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| 王军等: "双介质低温等离子体空气放电光谱分析及工作参数对NOx生成的影响", 《车用发动机》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361536A (en) * | 2020-11-04 | 2021-02-12 | 杭州宏海新空气科技有限公司 | Plasma density control equipment and method |
| CN112972723A (en) * | 2021-02-24 | 2021-06-18 | 西安交通大学 | Discharge plasma disinfection device combining nitrogen oxide mode and ozone mode |
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