WO2021049714A1 - Dispositif et système de nettoyage d'air au plasma - Google Patents

Dispositif et système de nettoyage d'air au plasma Download PDF

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Publication number
WO2021049714A1
WO2021049714A1 PCT/KR2019/016247 KR2019016247W WO2021049714A1 WO 2021049714 A1 WO2021049714 A1 WO 2021049714A1 KR 2019016247 W KR2019016247 W KR 2019016247W WO 2021049714 A1 WO2021049714 A1 WO 2021049714A1
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Prior art keywords
plasma
air
air cleaning
fan
casing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2019/016247
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English (en)
Korean (ko)
Inventor
이수연
이광호
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jung Rok Co Ltd
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Jung Rok Co Ltd
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Filing date
Publication date
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Publication of WO2021049714A1 publication Critical patent/WO2021049714A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F24F2013/205—Mounting a ventilator fan therein
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/38—Personalised air distribution

Definitions

  • the present invention relates to a plasma air cleaning device, and more particularly, to a plasma air cleaning device that removes fine dust or harmful particles by generating plasma on an electrode such as a flexible electrode or a carbon electrode.
  • the dielectric acts as a conductor. This phenomenon is called insulation breakdown, and the current flows because the insulation property is lost due to this insulation breakdown, and this is called discharge.
  • the insulating material is a gas
  • plasma is generated by the discharge of a gas that becomes insulation breakdown, and atmospheric pressure plasma can be classified into several types according to its discharge characteristics. Among them, corona discharge, dielectric barrier discharges, and atmospheric pressure glow discharge are closely related to plasma jets.
  • an air cleaning device can be configured. Unlike the method of removing physically collected fine dust, the plasma air cleaning device is a method of chemically removing fine dust using OH groups generated by forming a plasma region, and only inorganic substances such as water or oxygen are generated even after removing the fine dust. Therefore, there is no concern about environmental pollution. Ozone is generated during the process of removing particles using plasma, but there is a widespread misconception that “ozone is harmful”, and ozone generated by plasma does not harm the human body/environment.
  • Air purifiers have a range of sizes and flow rates from low flow rates to large flow rates depending on the size of the space to be purified.
  • the contact time between the air and the plasma filter is very high.
  • the effect of the plasma filter did not appear properly due to the shortening. Due to this problem, the existing device has a plasma filter device formally and is used for advertising effect that it has a plasma filter function (the actual particle removal rate through plasma is very low, so there is no significant difference from the case without a plasma filter), and some flow rates In most cases, it is used in such a slow low flow condition, or in a large-sized device that increases the size/surface area of the plasma filter itself.
  • the problem to be solved by the present invention is to provide a plasma air cleaning device having a high particle removal rate regardless of a flow rate/flow rate in order to solve the problems of the conventional plasma air cleaning device as described above.
  • the present invention includes a casing 1 in which a predetermined internal space and an air flow path are formed; A fan (2) coupled to the inner side of the casing (1) to flow air; A control unit 3 for controlling the fan 2; And a plasma generator (4) that receives power from the control unit (3) to generate plasma and removes predetermined particles from the air flow path; A reflux space (R) is formed within a predetermined range from the plasma generator (4); A plasma air cleaning apparatus is provided, which is configured to allow contact between the plasma generating unit 4 and the air in the reflux space R a plurality of times.
  • the plasma generation unit 4 is connected to an electrode unit 31 formed to protrude from the control unit 3 by a predetermined length on one side of the control unit 3, and the plasma generation unit 4 and the control unit ( 3) A predetermined space may be formed between them.
  • the plasma generating unit 4 may be formed in the form of a plasma electrode printed in a predetermined pattern on one side of the control unit 3.
  • the fan 2 is provided with at least two intake ports for inhaling air, and at least one exhaust port 22 for discharging air, so that the air (I) from the outside of the casing 1 is provided with the fan ( 2) is sucked into the first intake port 211 and moves to the plasma generating unit 4 through the exhaust port 22, but some of the air that has moved to the plasma generating unit 4 (F) is It may be configured to be sucked back into the second intake port 212.
  • the casing (1) the inlet portion 11 through which air is introduced by the fan (2);
  • a pan casing portion 12 surrounding the outer circumferential surface of the fan 2 and configured to fix surfaces other than the intake ports 211 and 212 and the exhaust port 22 of the fan 2;
  • the pan casing portion 12 is provided with a predetermined jaw 120, and the pan casing portion 12 and the control portion 3 are coupled with the pan casing portion 12 so that the control portion 3 contacts the jaw 120.
  • An air passage 123 may be formed therebetween.
  • a primary filter 5 is provided between the inlet 11 and the fan 2;
  • the air (I) introduced from the inlet portion 11 may be configured to be introduced into the fan 2 in a filtered state.
  • control unit 3 is provided with a piezo device 32; Power input through the control unit 3 may be converted through the piezo device 32 to be output to the plasma generator 4 at a voltage of 2000V to 2500V.
  • the casing 1 may be formed to a thickness between 20mm and 50mm.
  • a plurality of plasma air cleaning devices as described above are provided; At least one side surface of the casing 1 is provided with a module connector 33 for connecting a plurality of plasma air cleaning devices to share power with each other; An external fan 7 is connected to one side of the plasma air cleaning assembly 1 ′ to which a plurality of plasma air cleaning devices are coupled through the module connection 33; A plasma air cleaning system is provided.
  • a casing 1 in which a predetermined internal space and an air flow path are formed;
  • a control unit 3 provided inside the casing 1 and connected to a power source for generating plasma;
  • a plasma air cleaning module including a plasma generating unit 4 that receives power from the control unit 3 and generates plasma to remove predetermined particles that have entered through the air flow path;
  • At least one side surface of the casing 1 is provided with a module connector 33 for connecting a plurality of plasma air cleaning modules to share power with each other;
  • An external fan 7 is connected to one side of the plasma air cleaning assembly 1'to which a plurality of plasma air cleaning modules are combined through the module connection part 33;
  • a plasma air cleaning device is provided.
  • an air cleaning device having a high pollutant filter rate is constructed even in a system with a large flow rate or a small size by generating a reflux (vortex) around the plasma generating unit to increase the number of contact between the pollutant and the plasma filter. can do.
  • some of the filtered air may be re-inspired and introduced into the plasma generating unit again, thereby filtering the once inhaled air several times to increase filtering efficiency.
  • the air cleaning device is configured to be modularized, the same module can be used universally from a personal portable air cleaning device to an industrial air cleaning device, so that mass productivity can be improved.
  • the load applied to the plasma filter is reduced, and the resorption rate and the number of recirculation are increased by appropriately controlling the flow rate/flow rate through the HEPA filter. It can improve the pollutant removal rate.
  • control unit including a piezo device
  • heat generated by continuous use of the plasma device is cooled with inhaled air, thereby improving the sustained use time and durability of the device.
  • FIG. 1 is an exploded perspective view of a plasma air cleaning apparatus according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of a plasma air cleaning apparatus according to an embodiment of the present invention.
  • FIG 3 is a view showing in detail a control unit of the plasma air cleaning apparatus according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a plasma air cleaning system according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view showing a cross-section A-A of FIG. 2.
  • FIG. 6 is a view comparing the air flow path of the plasma air cleaning device (b) according to an embodiment of the present invention and the conventional plasma air cleaning device (a).
  • FIG. 7 is a view comparing the amount of pollutant filtering between the plasma air cleaning device (b) according to an embodiment of the present invention and the conventional plasma air cleaning device (a).
  • FIG. 8 is a rear view of a control unit of a plasma air cleaning apparatus according to another embodiment of the present invention.
  • expressions such as “A or B,” “at least one of A or/and B,” or “one or more of A or/and B” may include all possible combinations of the items listed together.
  • “A or B,” “at least one of A and B,” or “at least one of A or B” includes (1) at least one A, (2) at least one B, Or (3) it may refer to all cases including both at least one A and at least one B.
  • first,” “second,” “first,” or “second,” used in this document can modify various elements regardless of their order and/or importance, and It is used to distinguish it from other components and does not limit the components.
  • a first user device and a second user device may represent different user devices regardless of order or importance.
  • a first component may be referred to as a second component, and similarly, a second component may be renamed to a first component.
  • Some component eg, the first component
  • another component eg, the second component
  • connected it should be understood that the certain component may be directly connected to the other component or may be connected through another component (eg, a third component).
  • a component eg, a first component
  • the component and the It may be understood that no other component eg, a third component exists between the different components.
  • a processor configured (or configured) to perform A, B, and C means a dedicated processor (eg, an embedded processor) for performing the operation, or by executing one or more software programs stored in a memory device.
  • a generic-purpose processor eg, a CPU or an application processor
  • a casing in which a predetermined internal space and an air flow path are formed;
  • a fan coupled to the inner side of the casing to flow air;
  • a control unit for controlling the fan;
  • a plasma generator configured to generate plasma by receiving power from the control unit to remove predetermined particles entering through an air flow path;
  • a reflux space is formed within a predetermined range from the plasma generating unit; It provides a plasma air cleaning apparatus configured to allow a plurality of contact between the plasma generating unit and the air in the reflux space.
  • the reflux may refer to a flow of air that contacts the plasma generating unit to re-contact the air from which contaminants have been removed once with the plasma generating unit.
  • Examples of reflux are vortex, eddy current, turbulence, turbulence, or turbulence generated within a predetermined range, or re-intake (F) air with a fan to return to the plasma generating unit together with the intake air (I).
  • F re-intake
  • the reflux space may be formed with a vortex generating member that disturbs air flow, such as a spiral blade, inside the casing.
  • the contact between the air and the plasma generating unit may occur multiple times in a form (protrusion formed in a predetermined pattern inside the casing) such as causing the air to flow back or collide with the vortex generating member near the outlet of the air.
  • the plasma generation unit may be connected to an electrode unit formed to protrude from the control unit by a predetermined length on one side of the control unit, so that a predetermined space may be formed between the plasma generation unit and the control unit.
  • the plasma generating unit and the control unit may be included in the reflux space, and vortex/turbulence may be formed while the re-inhaled air collides with the plasma generating unit and the control unit.
  • a plurality of circulation holes 40 are perforated in the plasma generation unit, and re-intake of air and generation of eddy currents may be promoted through the circulation holes.
  • re-intake of air and generation of eddy currents may be promoted through the circulation holes.
  • by increasing the surface area of the plasma generating unit through the circulation hole it is possible to increase the pollutant removal rate when contacting air once.
  • a flexible electrode can be applied to the plasma generator.
  • the surface area in contact with the air can be greatly increased.
  • a "c(C, U)" form in which a flexible electrode is bent once, a " ⁇ ( ⁇ , S)” form in which a flexible electrode is bent twice, etc. are possible, and other forms of the flexible electrode are Those skilled in the art will be able to make changes with reference to the specification of the present invention.
  • the flexible electrode includes: a first electrode and a second electrode formed to be spaced apart from each other; A dielectric material provided between the first electrode and the second electrode to insulate the first electrode and the second electrode;
  • the first electrode may have a circular cylinder shape in which a through hole is formed, and the second electrode may include a plasma electrode module composed of a circular plate.
  • the plasma electrode module may be flexibly deformed like a thread, and a plasma generator may be configured by combining a plurality of plasma electrode modules in a mesh form. According to an embodiment of the present invention, as shown in FIG. 1, it may be configured as a rectangular mesh, but may be configured to include a plurality of circulation holes inside.
  • the plasma generating unit may be formed in the form of a plasma electrode printed in a predetermined pattern on one side of the control unit.
  • the frequency (Hz) of the input power or output plasma, the capacitive value, the spacing between electrodes, etc. are variables, and a person skilled in the art will be able to freely print the pattern with reference to the description and drawings of the present invention. .
  • the plasma generating unit or control unit
  • 8 shows an embodiment of plasma electrode pattern printing. 8 is a rear view of the control unit, and other configurations (piezo cooling holes, etc.) other than the pattern are omitted.
  • the fan is provided with at least two intake ports for inhaling air, and at least one exhaust port for discharging air, so that the air from the outside of the casing is sucked into the first intake port of the fan and passes through the exhaust port to the plasma generating unit. While moving, some of the air that has moved to the plasma generating unit may be configured to be sucked back through the second intake port of the fan.
  • two intake ports and one exhaust port are provided.
  • the technical idea of the present invention is not limited to the number of intake ports and exhaust ports above, and a configuration in which some of the air in contact with the plasma generation unit is re-inhaled to contact the plasma generation unit again is in accordance with the technical idea of the present invention. Can be included.
  • the above configuration may be configured using a centrifugal fan ( ⁇ -). Air can be sucked in from both directions of the motor shaft and discharged in the circumferential direction by centrifugal force.
  • ⁇ - centrifugal fan
  • the casing may include an inlet through which air is introduced by the fan;
  • a pan casing part surrounding the outer circumferential surface of the fan and configured to fix surfaces other than the intake and exhaust ports of the fan;
  • the pan casing portion is provided with a predetermined jaw, and is coupled to the pan casing portion so that the control portion contacts the jaw to form an air passage between the pan casing portion and the control portion.
  • a passage (air passage 123 ⁇ air feedback passage 122 ⁇ second intake port) through which air in contact with the plasma generating portion is re-inhaled back into the fan may be formed.
  • An air discharge passage 121 may be formed on one or more sides of the casing part. Accordingly, an air discharge passage (exhaust 22 ⁇ air discharge passage 121 ⁇ air passage 123) may be formed.
  • Some of the air may be configured to pass through the inside of the controller through the piezo cooling hole 320, in which case the piezo device may be cooled by air.
  • a cooling fin is formed in the piezo device to increase the contact area with air, thereby maximizing the amount of heat dissipation.
  • a fan cover 13 may be provided outside the pan casing to form a structure that seals the inside and the outside of the air purifier.
  • a fan, a pan casing part, a control part, and a plasma generating part may be accommodated inside the fan cover, and some coupling parts of the inlet part 11 and the outlet part 14 may be accommodated.
  • Air introduced from the inlet may be configured to be introduced into the fan in a filtered state.
  • a HEPA filter may be applied as the first filter.
  • a phenomenon in which the intake flow rate of air is partially decreased by the HEPA filter may occur, and this decrease in the flow rate may increase the number of reflux in the plasma generating unit, the filtering rate per contact, and the reintake rate.
  • the total amount of foreign substances to be removed from the plasma generating unit can be reduced, thereby reducing the load applied to the plasma generating unit.
  • control unit is provided with a piezo device;
  • the power input through the control unit may be converted through a piezo device and may be configured to be output to the plasma generator at a voltage of 2000V to 2500V.
  • the piezo device may be composed of a ceramic cell, and the size of the control unit may be minimized through the piezo device.
  • the voltage of the plasma generator is higher than 2000V, but the current flowing from the plasma generator is very small (about 10 ⁇ 14W of power), so it is not harmful even if a person touches the plasma generator with their hands. .
  • a current of 5 mA or less is expressed as "sensing current” rather than “electric shock”, to the extent that it is felt as “stimulation”.
  • the casing may be formed to a thickness of between 20mm to 50mm.
  • a portable air cleaner having a size similar to that of a matchbox can be configured.
  • the small-sized plasma air purifier as described above can be used as a portable air purifier such as a necklace by hanging a ring on the casing. It is also possible to apply the above configuration to the smartphone case.
  • a plurality of plasma air cleaning devices as described above are provided; On one or more side surfaces of the casing, a module connection part for connecting a plurality of plasma air cleaning devices to share power with each other is provided; An external fan is connected to one side of the plasma air cleaning assembly to which a plurality of plasma air cleaning devices are coupled through the module connection portion; A plasma air cleaning system is provided.
  • the plasma air cleaning system as described above can be used as a domestic or industrial air purifier.
  • an air cleaning device having a flow rate suitable for the size of the space can be configured.
  • the individual air purifier can be configured to have a very small size compared to the conventional air purifier, it can be installed regardless of the size or shape of the place.
  • Plasma air cleaning assembly may be provided in multiple stages to maximize the removal rate of pollutants.
  • the module connection portion may be accommodated inside the casing, and a hole may be formed on the outside of the casing to expose the module connection portion to the outside.
  • a connector 6 can be coupled between the module connections to connect each air cleaning device.
  • a casing in which a predetermined internal space and an air flow path are formed;
  • a control unit provided inside the casing and connected to a power source for generating plasma;
  • a plasma air cleaning module including a plasma generating unit configured to generate plasma by receiving power from the control unit to remove predetermined particles entering through an air flow path;
  • At least one side surface of the casing is provided with a module connector for connecting a plurality of plasma air cleaning modules to share power with each other;
  • An external fan is connected to one side of the plasma air cleaning assembly to which a plurality of plasma air cleaning modules are coupled through the module connection portion;
  • a plasma air cleaning device is provided.
  • FIG. 7 a conventional air cleaning device and an embodiment of the present invention are compared.
  • the amount of filtering due to the first order filter is excluded and compared for simplicity.
  • Q is the flow rate of air passing through the air purifier (LPS, Liter Per Seconds; unit volume per unit time)
  • a is the mass of pollutants injected into the air purifier (g/s, gram per seconds; unit mass per unit time)
  • r is the reintake rate (%) representing the rate at which the air in contact with the plasma generating unit is re-inhaled by the fan
  • f is the proportion of contaminants removed when the plasma generating unit and air are in contact with one time (%)
  • e May mean the number of times the air and the plasma generator contact the air due to eddy flow/turbulence in the reflux space.
  • the suction flow rate is discharged to the outside as it is, and since the contact between the air and the plasma generator occurs once, the amount of pollutants at the output terminal can be expressed as (1-f)a.
  • some of the suctioned flow rate (rQ) is re-sucked into the fan and discharged ((1+r)Q) back to the plasma generation unit through the air passage, and vortex/turbulence in the reflux space Depending on the degree of, (e) contact occurs multiple times between the air-plasma generator.
  • the amount of pollutants contained in the re-inhaled air is expressed as r(1-ef)a, and the amount of pollutants in the output terminal may be expressed as (1-ef)(1-r)a.
  • Table 1 below shows the pollutant removal rate (f) 20% per contact and the number of times of reflux (e) to change the reintake rate (r), and the amount of pollutants discharged by the existing air cleaning device [(1-f ), the amount of pollutants discharged according to an embodiment of the present invention compared to the mass of the pollutants injected into the air cleaning device [(1-ef)(1-r), compared to the mass of the pollutants injected into the air cleaning device, %] ].
  • Table 2 shows a change in the pollutant removal rate (f) per contact when the reintake rate (r) is 50% and the number of reflux times (e) is once, and the amount of pollutants discharged by the existing air cleaning device [(1-f ), the amount of pollutants discharged according to the embodiment of the present invention compared to the mass of the pollutants injected into the air cleaning device, %] [(1-ef)(1-r), compared to the mass of the pollutants injected into the air cleaning device,% ].
  • Table 3 shows the number of reflux times (e) when the re-intake rate (r) is 50% and the pollutant removal rate per contact (f) 40%, the amount of pollutants discharged by the existing air cleaning device [(1-f) , Amount of pollutants discharged according to an embodiment of the present invention compared to the mass of pollutants injected into the air cleaning device, %] [(1-ef)(1-r), compared to the mass of pollutants injected into the air cleaning device, %] Is a comparison.
  • the number of reflux exceeds 2.4, it can be confirmed that 100% of contaminants are theoretically removed. It can be seen that every 0.2 times the number of reflux increases, the improvement rate increases by about 6%. Although it is difficult to directly measure the number of reflux or reintake rate in an actual device, it is possible to indirectly estimate the number of reflux and reintake rate by measuring the pollutant removal rate between devices according to an embodiment of the present invention compared to the existing device.
  • the number of reflux may mean the average number of reflux of each air component particle. Since it is an average value, it is possible to design by assuming the number of decimal points as described above, even though it is a number of times.
  • the pollutant removal rate of the conventional apparatus it is possible to confirm the remarkable effect of the formation of the reflux space.
  • the size of the device can be configured to be smaller than that of the existing one, but the pollutant removal rate is improved.
  • the "reintake rate (r) is 10% from 20% to 60%
  • the pollutant removal rate (f) per contact is 10% from 20% to 50%
  • the number of reflux (e) is from 1.2 to 2
  • the range of "up to times" may be a range that a person skilled in the art can easily implement with reference to the specification of the present invention.
  • control unit 31 electrode unit

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

La présente invention concerne un dispositif de nettoyage d'air au plasma et, plus particulièrement, un dispositif de nettoyage d'air au plasma permettant d'éliminer la poussière fine ou les particules nocives au moyen de la production d'un plasma sur une électrode, telle qu'une électrode flexible ou une électrode en carbone. Selon un mode de réalisation de la présente invention, le dispositif de nettoyage d'air au plasma comprend : un carter comportant un espace interne prédéfini et un passage d'écoulement d'air; un ventilateur accouplé à l'intérieur du carter afin de permettre l'écoulement de l'air; une unité de commande destinée à commander le ventilateur; et une unité de production de plasma destinée à produire un plasma à l'aide de la réception d'énergie en provenance de l'unité de commande, afin d'éliminer des particules prédéfinies entrant à travers le passage d'écoulement d'air. Un espace de retour est formé dans une étendue prédéfinie à partir de l'unité de production de plasma, afin de permettre, plusieurs fois, le contact entre l'unité de production de plasma et l'air dans l'espace de retour.
PCT/KR2019/016247 2019-09-11 2019-11-25 Dispositif et système de nettoyage d'air au plasma Ceased WO2021049714A1 (fr)

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KR102378536B1 (ko) * 2021-03-22 2022-03-24 주식회사 더미디어랩 공기 살균 방법
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KR102784344B1 (ko) 2022-09-06 2025-03-21 주식회사 플라즈메이스 공기와류식 플라즈마 살균부를 갖는 공기청정기
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