CN114749278A - Electrode structure, plasma generating device and air purifier - Google Patents
Electrode structure, plasma generating device and air purifier Download PDFInfo
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- CN114749278A CN114749278A CN202210352957.7A CN202210352957A CN114749278A CN 114749278 A CN114749278 A CN 114749278A CN 202210352957 A CN202210352957 A CN 202210352957A CN 114749278 A CN114749278 A CN 114749278A
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
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- 239000004065 semiconductor Substances 0.000 claims description 5
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 21
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 10
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- 230000001954 sterilising effect Effects 0.000 description 8
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/41—Ionising-electrodes
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/38—Particle charging or ionising stations, e.g. using electric discharge, radioactive radiation or flames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention relates to the technical field of air purification, in particular to an electrode structure, a plasma generating device and an air purifier, wherein the electrode structure comprises: the ionization electrode is arranged in a spiral shape and is suitable for being connected with a power supply; the dust collecting electrode is spirally arranged and suitable for being grounded, the dust collecting electrode and the ionizing electrode are arranged around the same axis, and the projection of the dust collecting electrode on the axis and the projection of the ionizing electrode on the axis are alternately arranged or overlapped. The electrode structure is favorable for realizing small-gap discharge, the small-gap discharge can not only reduce discharge voltage, but also increase discharge electric field, and the efficient sterilization and disinfection effect can be realized under the condition of no ozone generation.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to an electrode structure, a plasma generating device and an air purifier.
Background
The existing sterilization device mainly performs sterilization through ultraviolet, ozone and an electric purification device. Wherein, the irradiation time of the ultraviolet sterilization is long enough, and the service life of the ultraviolet lamp is short; ozone can actively sterilize, but the concentration of the ozone is high and harmful to human bodies; electric purification device utilizes corona discharge disinfection of disinfecting, and current electric purification device includes line formula electrode and plate electrode usually, and plate electrode is the rectangular plate usually, and the area is bigger to lead to whole electric purification device's volume great, the required discharge voltage of corona discharge is higher simultaneously, and the consumption is too high.
Disclosure of Invention
Therefore, the present invention is to overcome the defect of high discharge voltage of the electrical purification apparatus in the prior art, and to provide an electrode structure, a plasma generation apparatus and an air purifier capable of reducing the discharge voltage.
In order to solve the above technical problem, the present invention provides an electrode structure, including: the ionization electrode is arranged in a spiral shape and is suitable for being connected with a power supply; the dust collecting electrode is spirally arranged and suitable for being grounded, the dust collecting electrode and the ionizing electrode are arranged around the same axis, and the projection of the dust collecting electrode on the axis and the projection of the ionizing electrode on the axis are alternately arranged or overlapped.
Optionally, the ionization electrode is formed by spirally winding a conductive wire or a flat conductive strip;
or the ionization electrode is formed by spirally winding a metal sheet, and burrs or discharge needles are arranged on two sides of the metal sheet.
Optionally, the diameter of the conductive wire is d, and d is greater than or equal to 0.01mm and less than or equal to 10 mm.
Optionally, the projection of the ionizing electrode on a projection plane perpendicular to the axis is circular or elliptical.
Optionally, the dust collecting electrode comprises a conductive layer and an insulating layer disposed outside the conductive layer, the conductive layer being adapted to be grounded;
or the material of the dust collecting electrode is a semiconductor material.
Optionally, the conductive layer is a copper foil, and the insulating layer is a PTFE layer.
Alternatively, the dust collecting electrode is formed by spirally winding any one of a wire-shaped structure, a flat column structure and a sheet-shaped structure.
Optionally, the projection of the ionization electrode overlaps with the projection of the dust collection electrode on a projection plane perpendicular to the axis.
Optionally, at least one of the ionizing electrodes and the dust collecting electrode are alternately spirally arranged.
Optionally, the distance between the ionization electrode and the dust collecting electrode is L, and L is more than or equal to 1mm and less than or equal to 15 mm.
The invention also provides a plasma generating device which comprises at least one group of the electrode structure and a power supply connected with the ionization electrode.
The invention also provides an air purifier which comprises the plasma generating device.
The technical scheme of the invention has the following advantages:
according to the electrode structure provided by the invention, the ionization electrode and the dust collecting electrode are spirally arranged, the dust collecting electrode and the ionization electrode are arranged around the same axis, and the projection of the dust collecting electrode on the axis and the projection of the ionization electrode on the axis are alternately arranged or overlapped, so that the distance between the dust collecting electrode and the ionization electrode can be very small, small-gap discharge can be realized, the small-gap discharge can not only reduce the discharge voltage, but also increase the electric field of discharge, and the efficient sterilization and disinfection effects can be realized under the condition of not generating ozone. Simultaneously, because ionization pole and collection dirt utmost point all are the heliciform setting, can dwindle the volume of module of discharging greatly under the condition of equal discharge capacity, the module of discharging can be made into any shape or any volume, satisfies each place to the demand of high-efficient disinfection of disinfecting. When practical application, the ionization pole is connected with the power, and collection dirt utmost point ground connection, ionization pole can the ionized air, makes the particulate matter in the air electrified to exterminate bacterium, the virus in the air, the particulate matter is collected by collection dirt utmost point under the effect of electric field after electrified, consequently, this electrode structure can enough air-purifying, also can carry out the high efficiency and disinfect, just can realize the disinfection of high efficiency disinfecting under lower voltage. This electrode structure is because the air current can follow this electrode structure of all directions flow through, can satisfy not equidirectional discharge and the purification demand that disinfects, consequently can select the fan of any form, realizes the high efficiency disinfection of disinfecting through this electrode structure, does not have any windage and consumptive material.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of an electrode structure provided in embodiment 1 of the present invention;
fig. 2 is a front view of an electrode structure provided in embodiment 1 of the present invention;
fig. 3 is a longitudinal sectional view of an electrode structure provided in embodiment 1 of the present invention;
fig. 4 is a schematic diagram at a cross section of an ionization electrode and a ground electrode of the electrode structure provided in embodiment 1 of the present invention.
Description of reference numerals:
1. an ionization electrode; 2. a dust collecting electrode; 201. a conductive layer; 202. an insulating layer.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The existing sterilization device mainly carries out sterilization through ultraviolet, ozone and an electric purification device. Wherein, the irradiation time of the ultraviolet sterilization is long enough, and the service life of the ultraviolet lamp is short; ozone can actively sterilize, but the concentration of the ozone is high and harmful to human bodies; electric purification device utilizes corona discharge disinfection of disinfecting, and current electric purification device includes line formula electrode and plate electrode usually, and plate electrode is the rectangular plate usually, and the area is bigger to lead to whole electric purification device's volume great, the required discharge voltage of corona discharge is higher simultaneously, and the consumption is too high.
Therefore, the present embodiment provides an electrode structure, which can realize micro-distance discharge and reduce discharge voltage.
In one embodiment, as shown in fig. 1 to 4, the electrode structure includes an ionization electrode 1 and a dust collecting electrode 2. The ionization electrode 1 is spirally arranged, and the ionization electrode 1 is suitable for being connected with a power supply, and particularly can be connected with a 2 KV-8 KV high-voltage direct-current power supply or a high-frequency alternating-current power supply; the dust collecting electrode 2 is spirally arranged, the dust collecting electrode 2 is suitable for being grounded, the dust collecting electrode 2 and the ionization electrode 1 are arranged around the same axis, and the projection of the dust collecting electrode 2 on the axis and the projection of the ionization electrode 1 on the axis are alternately arranged or overlapped.
Because ionization utmost point 1 all is the heliciform setting with collection dirt utmost point 2, collection dirt utmost point 2 and ionization utmost point 1 encircle same axis setting, and the projection of collection dirt utmost point 2 on the axis sets up or overlaps the setting with the projection of ionization utmost point 1 on the axis in turn, the distance between collection dirt utmost point 2 and ionization utmost point 1 can be accomplished very little, be favorable to realizing the booth clearance discharge, the booth clearance discharge not only can reduce discharge voltage, can also increase the electric field of discharge, under the condition that does not produce ozone, can realize the efficient disinfection effect of disinfecting. Meanwhile, because the ionization electrode 1 and the dust collecting electrode 2 are both spirally arranged, the volume of the discharge module can be greatly reduced under the condition of the same discharge capacity, and the discharge module can be made into any shape or any volume, so that the requirements of various places on high-efficiency sterilization and disinfection are met. During practical application, ionization utmost point 1 is connected with the power, and collection dirt utmost point 2 ground connection, ionization utmost point 1 can the ionized air, makes the particulate matter in the air electrified to kill bacterium, the virus in the air, the particulate matter is collected by collection dirt utmost point 2 under the effect of electric field after electrified, consequently, this electrode structure can enough air-purifying, also can carry out high-efficient sterilization, just can realize high-efficient sterilization disinfection under lower voltage. This electrode structure is because the air current can follow this electrode structure of all directions flows through, can satisfy the discharge of equidirectional not and disinfect and purify the demand, consequently can select the fan of any form, realizes the high-efficient disinfection of disinfecting through this electrode structure, does not have any windage and consumptive material.
Wherein, high voltage dc power supply and high frequency ac power supply can both provide high voltage electricity for ionization electrode 1, in a preferred embodiment, select high voltage dc power supply to provide high voltage electricity for ionization electrode 1.
The voltage range of the high-voltage direct-current power supply or the high-frequency alternating-current power supply is 2 KV-8 KV, and the required discharge voltage is small. In a preferred embodiment, the high voltage dc power supply or the high frequency ac power supply has a voltage of 3 KV.
On the basis of the above embodiments, in a preferred embodiment, the ionization electrode 1 is formed by spirally winding a conductive wire. In this embodiment, the ionizing electrode 1 is thin and the air is more easily ionized, and in this embodiment, the diameter of the ionizing electrode 1 is not limited, and it is preferable that the ionizing electrode 1 is thin. In an alternative embodiment, the ionization electrode 1 is formed by spirally winding a flat conductive strip, and in this embodiment, the thinner the ionization electrode 1, the better. In another alternative embodiment, the ionization electrode 1 is formed by spirally winding a metal sheet, and burrs or discharge needles are arranged on two sides of the metal sheet, in this embodiment, after the metal sheet is connected with a power supply, air is ionized through the burrs or discharge needles on two sides of the metal sheet, particulate matters in the air are charged, bacteria and viruses in the air are killed, and the charged particulate matters are collected by the dust collection electrode 2 under the action of an electric field.
The ionization electrode 1 is made of metal or a non-metal material having a conductive property, and in a preferred embodiment, the ionization electrode 1 is made of metal.
On the basis of the above embodiments, in a preferred embodiment, the ionization electrode 1 is formed by spirally winding silver wires, and silver has excellent conductivity and can ionize air well. Of course, in other alternative embodiments, the ionization electrode 1 may be formed by spirally winding copper wire, iron wire, copper wire, carbon fiber wire, or the like.
In a preferred embodiment, the diameter of the conductive filament is d, and d is 0.01mm ≦ d ≦ 10 mm. In this embodiment, the conductive wire is thin, and is easy to ionize air, so as to charge the particulate matters in the air and kill bacteria and viruses in the air, and the charged particulate matters are collected by the dust collecting electrode 2 under the action of the electric field. In other alternative embodiments, the diameter of the conductive filaments may be less than 0.01mm or greater than 10 mm. In another alternative embodiment, when the ionization electrode 1 is formed by spirally winding a flat conductive strip, the thickness of the conductive strip may be in the range of 0.01mm to 10 mm.
In addition to the above embodiments, in a preferred embodiment, the projection of the ionization electrode 1 on the projection plane perpendicular to the axis is circular. In this embodiment, when the ionization electrode 1 is spirally wound, the spiral line is smoothly and circularly wound. In an alternative embodiment, the projection of the ionization electrode 1 on a projection plane perpendicular to the axis is elliptical. In another alternative embodiment, the projection of the ionization electrode 1 on a projection plane perpendicular to the axis is an irregular rectangle or polygon. The ionizing electrode 1 of the present embodiment can adopt any rotation radian, so as to satisfy different discharge structures and size designs.
In addition to the above embodiments, in a preferred embodiment, as shown in fig. 4, the dust collecting electrode 2 includes a conductive layer 201 and an insulating layer 202 disposed outside the conductive layer 201, and the conductive layer 201 is adapted to be grounded. In this embodiment, the insulating layer 202 is provided outside the conductive layer 201, the ionization electrode 1 is connected to a power supply, and after the conductive layer 201 is grounded, the insulating layer 202 forms a dielectric barrier, so that glow discharge is formed in a space between the ionization electrode 1 and the dust collection electrode 2, air is ionized, bacteria and viruses in the air are killed, and the charged particles are collected by the dust collection electrode 2 under the action of an electric field. In an alternative embodiment, the material of the dust collecting electrode 2 is a semiconductor material, and in this embodiment, since the material of the dust collecting electrode 2 is a semiconductor material, the insulating layer 202 is not required to be provided.
In addition to the above embodiments, in a preferred embodiment, the conductive layer 201 is a copper foil, and the insulating layer 202 is a PTFE (polytetrafluoroethylene) layer. In this embodiment, the conductive layer 201 is a copper foil and has a small thickness, and the insulating layer 202 is a PTFE layer and is not easily broken. In an alternative embodiment, the material of the insulating layer 202 may be polyamide, aramid. In another alternative embodiment, the material of the conductive layer 201 is nano-scale fibers.
In one embodiment, the PTFE layer is 0.01mm thick, and polytetrafluoroethylene may be uniformly sprayed on the outer surface of the copper foil by a spraying process to form the insulating layer 202. The thickness of the insulating layer 202 is related to the structural arrangement of the discharge module and the discharge volume, when the distance between the ionization electrode 1 and the dust collecting electrode 2 is small, the thickness of the insulating layer 202 can be made slightly thicker, and when the distance between the ionization electrode 1 and the dust collecting electrode 2 is large, the thickness of the insulating layer 202 can be made slightly thinner, and those skilled in the art can select the thickness of the insulating layer 202 according to specific situations.
In addition to the above embodiments, in a preferred embodiment, the dust collecting electrode 2 is formed by spirally winding any one of a filament structure, a flat column structure, and a sheet structure. In this embodiment, the cross-sectional shape of the dust collecting electrode 2 is not limited and can be freely selected as needed. It should be noted that, regardless of whether the dust collecting electrode 2 is formed by spirally winding a filament structure, a flat column structure or a sheet structure, the dust collecting electrode 2 includes a conductive layer 201 and an insulating layer 202 disposed outside the conductive layer 201, or the material of the dust collecting electrode 2 is a semiconductor material.
In a preferred embodiment, the dust collecting electrode 2 is formed by spirally winding a sheet-shaped structure, and in this embodiment, the surface area of the dust collecting electrode 2 is larger than that of the ionization electrode 1, so that particulate matters in air and killed bacteria and viruses can be better adsorbed.
In addition to the above embodiments, in a preferred embodiment, the projection of the ionization electrode 1 overlaps the projection of the dust collecting electrode 2 on a projection plane perpendicular to the axis. In this embodiment, in the direction parallel with the axis, ionization utmost point 1 sets up with collection dirt utmost point 2 interval in turn, and the both sides of ionization utmost point 1 are equipped with collection dirt utmost point 2, and perhaps the both sides of collection dirt utmost point 2 are equipped with ionization utmost point 1, and the distance between collection dirt utmost point 2 and the ionization utmost point 1 can be very close, is favorable to realizing the booth gap discharge, and the booth gap discharge not only can reduce discharge voltage, can also increase the electric field of discharge, under the condition that does not produce ozone, can realize efficient disinfection and isolation effect. In an alternative embodiment, the ionization electrode 1 and the dust collecting electrode 2 are not overlapped on a projection plane perpendicular to the axial line, the ionization electrode 1 can be arranged on the inner side or the outer side of the dust collecting electrode 2, and the volume of the electrode structure can be further reduced.
Wherein, the ionization electrode 1 and the dust collecting electrode 2 are spirally wound with equal distance, thereby ensuring that the ionization electrode 1 and the dust collecting electrode 2 have a distance.
In addition to the above embodiments, in a preferred embodiment, at least one ionization electrode 1 and dust collecting electrode 2 are alternately spirally disposed. As shown in fig. 1, one ionization electrode 1 corresponds to one dust collecting electrode 2, and one ionization electrode 1 and one dust collecting electrode 2 are alternately spirally arranged. In an alternative embodiment, two ionization electrodes 1 correspond to one dust collecting electrode 2, and the two ionization electrodes 1 and the one dust collecting electrode 2 are alternately spirally arranged. In another alternative embodiment, three ionizing electrodes 1 correspond to one dust collecting electrode 2, and the three ionizing electrodes 1 and the one dust collecting electrode 2 are alternately spirally arranged. In the present embodiment, preferably, one ionization electrode 1 corresponds to one dust collecting electrode 2, and one ionization electrode 1 and one dust collecting electrode 2 are alternately spirally arranged.
In a preferred embodiment, the distance between the ionization electrode 1 and the dust collecting electrode 2 is L, and L is 1mm or less and 15mm or less. In this embodiment, the distance between the ionization electrode 1 and the dust collecting electrode 2 is small, and ionization of air and collection of particulate matters in the air can be realized at a low voltage.
As shown in fig. 3, the cross-sectional view of the electrode structure is a semicircular ionization electrode 1 and a semicircular dust collecting plate alternately arranged in sequence, and the ionization electrode 1 and the dust collecting plate are spaced.
In a preferred embodiment, the distance between the ionization electrode 1 and the dust collecting electrode 2 is 2mm to 3mm, and the corresponding power voltage is preferably 3KV due to the small distance.
Example 2
The present embodiment provides a plasma generating device comprising at least one set of the electrode structures provided in the above embodiments and a power supply connected to the ionizing electrode 1. The power supply may be a high-voltage dc power supply or a high-frequency ac power supply, and the present embodiment preferably uses a high-voltage dc power supply. The voltage range of the high-voltage direct-current power supply is 2 KV-8 KV, and the voltage range of the high-voltage direct-current power supply is preferably 3 KV.
The plasma generating device provided by the embodiment can select multiple groups of electrode structures to be combined according to the requirements of finished products, can adopt one layer of multiple groups of electrode structures to be connected in parallel, can also adopt multiple layers of multiple groups of electrode structures to be combined, and can specifically select and combine according to actual needs.
Example 3
The embodiment provides an air purifier, which comprises the plasma generating device provided in the embodiment. The air purifier that this embodiment provided can select the fan of any form, and when the electrode structure was flowed through to the air current, there was not any windage and consumptive material, and this air purifier can realize the high efficiency disinfection of disinfecting.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (12)
1. An electrode structure, comprising:
the ionization electrode (1) is arranged in a spiral shape, and the ionization electrode (1) is suitable for being connected with a power supply;
the collection dirt utmost point (2), be the heliciform setting, collection dirt utmost point (2) are suitable for ground connection, collection dirt utmost point (2) with ionization utmost point (1) encircle same axis setting, just collection dirt utmost point (2) are in projection on the axis with ionization utmost point (1) are in projection on the axis sets up alternately or overlaps the setting.
2. The electrode structure according to claim 1, characterized in that the ionizing electrode (1) is formed by spirally winding a conductive wire or a flat conductive strip;
or the ionization electrode (1) is formed by spirally winding a metal sheet, and burrs or discharge needles are arranged on two sides of the metal sheet.
3. The electrode structure as claimed in claim 2, wherein the diameter of the conductive filaments is d, d is 0.01mm ≦ d ≦ 10 mm.
4. Electrode structure in accordance with claim 1 characterized in that the projection of the ionizing electrode (1) on a projection plane perpendicular to the axis is circular or elliptical.
5. The electrode structure according to any of claims 1-4, characterized in that the dust collecting electrode (2) comprises an electrically conductive layer (201) and an insulating layer (202) arranged outside the electrically conductive layer (201), the electrically conductive layer (201) being adapted to be grounded;
or the material of the dust collecting electrode (2) is a semiconductor material.
6. The electrode structure according to claim 5, wherein the conductive layer (201) is a copper foil and the insulating layer (202) is a PTFE layer.
7. The electrode structure according to claim 5, wherein the dust collecting electrode (2) is formed by spirally winding any one of a wire-like structure, a flat column structure, and a sheet-like structure.
8. Electrode structure in accordance with claim 5 characterized in that the projection of the ionizing electrode (1) overlaps the projection of the collector electrode (2) on a projection plane perpendicular to the axis.
9. The electrode structure according to claim 8, characterized in that at least one of the ionizing electrodes (1) is alternately helically arranged with the dust collecting electrode (2).
10. The electrode structure according to claim 8, characterized in that the distance between the ionization electrode (1) and the dust collection electrode (2) is L, L being 1mm ≦ 15 mm.
11. A plasma-generating device, characterized in that it comprises at least one set of electrode structures according to any one of claims 1-10 and a power supply connected to said ionizing electrode (1).
12. An air purifier, comprising the plasma generating device according to claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210352957.7A CN114749278A (en) | 2022-04-01 | 2022-04-01 | Electrode structure, plasma generating device and air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210352957.7A CN114749278A (en) | 2022-04-01 | 2022-04-01 | Electrode structure, plasma generating device and air purifier |
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