CN113175721A - Plasma humidifier - Google Patents
Plasma humidifier Download PDFInfo
- Publication number
- CN113175721A CN113175721A CN202110525414.6A CN202110525414A CN113175721A CN 113175721 A CN113175721 A CN 113175721A CN 202110525414 A CN202110525414 A CN 202110525414A CN 113175721 A CN113175721 A CN 113175721A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- power supply
- plasma
- water mist
- electrode
- 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.)
- Pending
Links
- 239000003595 mist Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 9
- 238000000889 atomisation Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000000678 plasma activation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000001994 activation Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009688 liquid atomisation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Dispersion Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Plasma Technology (AREA)
Abstract
The invention discloses a plasma humidifier, which comprises a water mist generator for generating water mist, a power supply, a hollow columnar permanent magnet with openings at two ends, a power supply and a power supply, wherein the permanent magnet is arranged in the middle of the hollow columnar permanent magnet; a rod-shaped high-voltage electrode is arranged in the permanent magnet, and one or more discharge electrodes electrically connected with the high-voltage electrode are arranged at intervals along the axial direction of the high-voltage electrode; the water mist enters the permanent magnet through the bottom opening of the permanent magnet, flows through the discharge electrode and is discharged through the top opening of the permanent magnet; the high-voltage electrode is connected with a power supply, and the permanent magnet is connected with the negative electrode of the power supply. The plasma generated in the permanent magnet is in a sliding arc state, namely the discharge channel rotates under the action of the magnetic field, so that the water mist and the plasma can be ensured to have larger contact area, and more OH particles are generated.
Description
Technical Field
The invention belongs to the technical field of plasma application, and particularly relates to a plasma humidifier.
Background
Chinese patent "a device and method for purifying air by using low-temperature plasma activation", publication No. CN110394038A, publication No. 2019.11.01, discloses a device and method for purifying air by using low-temperature plasma activation, comprising a low-temperature plasma generating device and an activated water atomizing device; the low-temperature plasma generating device comprises a power supply, an insulating container and a plasma generating mechanism arranged in the insulating container; the plasma generating mechanism comprises an electrode array plate, a porous electrode column and a blocking medium tube; the electrode array plate comprises a connecting plate and an electrode column array group which is arranged at the bottom of the connecting plate and consists of high-voltage electrode columns; through holes matched with the high-voltage electrode column are distributed in the porous electrode column, and a blocking medium pipe is arranged between the through holes and the high-voltage electrode column; at least two air inlets used for loading working gas are symmetrically arranged on the upper part of the side wall of the insulating container.
Chinese patent "a plasma activation fog preparation facilities", publication No. CN110693692A, published japanese 2020.01.17 discloses a plasma activation fog preparation facilities, belongs to disinfection treatment field, includes: the device comprises a liquid atomization module, a gas output module, a high-voltage power supply and a gas ionization atomization module; the liquid atomization module is used for atomizing liquid and then introducing the atomized liquid into the gas ionization atomization module; the gas output module is used for providing working gas for the gas ionization and atomization module; and the gas ionization atomization module ionizes the working gas under the action of the high-voltage power supply to generate plasma active particles, and the plasma active particles are adsorbed on the atomized liquid drops to form plasma activated mist.
The above scheme and other schemes in the prior art have the problems of low discharge efficiency, poor stability and the like.
Disclosure of Invention
In view of the problems in the prior art, the present invention aims to provide a plasma humidifier with high discharge efficiency, good stability and high activation efficiency.
In order to achieve the above object, the present invention provides a plasma humidifier including a mist generator for generating mist, and a power supply, wherein: the permanent magnet is hollow and columnar, and two ends of the permanent magnet are opened; a rod-shaped high-voltage electrode is arranged in the permanent magnet, and one or more discharge electrodes electrically connected with the high-voltage electrode are arranged at intervals along the axial direction of the high-voltage electrode;
the water mist enters the permanent magnet through the bottom opening of the permanent magnet, flows through the discharge electrode and is discharged through the top opening of the permanent magnet;
the high-voltage electrode is connected with a power supply, and the permanent magnet is connected with the negative electrode of the power supply.
Preferably, the magnetic field strength of the permanent magnet is 0.5T to 2T.
Preferably, a gap is formed between the discharge electrode and the inner wall of the permanent magnet.
More preferably, the gap is in the range of 2mm to 5 mm.
Further preferably, the discharge electrode is in the shape of a circular disk.
Further preferably, the discharge electrode is made of one or a combination of copper, stainless steel, tungsten and graphite.
Still more preferably, the outer surface of the discharge electrode is coated with a ceramic layer. Thus, corrosion due to long-term discharge is prevented.
Preferably, the high-voltage electrode is a stainless steel metal rod.
Further preferably, the outer surface of the high-voltage electrode is coated with a ceramic layer. Thus, corrosion due to long-term discharge is prevented.
Preferably, the high-voltage power supply is a high-voltage high-frequency alternating-current power supply or a high-voltage high-frequency pulse power supply.
Preferably, the water mist generator is an ultrasonic water mist generator, and the diameter of an outlet of the water mist generator is smaller than or equal to the inner diameter of the permanent magnet.
The invention has the beneficial effects that: the plasma generated in the permanent magnet is in a sliding arc state, namely the discharge channel rotates under the action of the magnetic field, so that the water mist and the plasma can be ensured to have larger contact area, and more OH particles are generated.
The invention utilizes the generated rotating sliding arc to break down the water mist, so that the generated plasma is uniformly contacted with the water mist, the discharge efficiency and stability are improved, the generation of ozone harmful to human bodies is reduced, and meanwhile, the water mist contains various active substances such as hydroxyl free radicals, oxygen free radicals and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention
In the figure; 1. a permanent magnet; 2. a discharge electrode; 3. a ground electrode; 4. a high voltage electrode; 5. a water mist generator; 6. a water tank.
Detailed Description
The invention will now be described in further detail, including the preferred embodiments, by means of figure 1 and by way of a list of some alternative embodiments of the invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
The plasma humidifier comprises a water mist generator 5 for generating water mist, a power supply, a hollow columnar permanent magnet 1 with openings at two ends; a rod-shaped high-voltage electrode 4 is arranged in the permanent magnet 1, and one or more discharge electrodes 2 electrically connected with the high-voltage electrode 4 are arranged at intervals along the axial direction of the high-voltage electrode 4; the water mist enters the permanent magnet 1 through the bottom opening of the permanent magnet 1, flows through the discharge electrode 2 and is discharged through the top opening of the permanent magnet 1; the high-voltage electrode 4 is connected with a power supply, and the permanent magnet 1 is connected with the negative electrode of the power supply through the grounding electrode 3.
The magnetic field intensity of the permanent magnet 1 is 0.5T-2T. Preferably, the inner diameter of the permanent magnet 1 is 2cm to 5cm, and the outer diameter is 3cm to 6 cm.
The discharge electrode 2 is in a disc shape, and the outer surface of the discharge electrode can be optionally coated with a ceramic layer, so that corrosion caused by long-term discharge is prevented. When one discharge electrode 2 is selected, the material of the discharge electrode is one of copper, stainless steel, tungsten and graphite; when a plurality of discharge electrodes 2 are provided, the material of the discharge electrodes is one or a combination of several of copper, stainless steel, tungsten and graphite, that is, the material of the discharge electrodes 2 in one humidifier may be different. The discharge electrodes 2 are connected in series in multiple stages, so that the water mist is ensured to be in more sufficient contact with the plasma to the maximum extent, and higher activation efficiency is generated.
Preferably, the diameter of the discharge electrode is matched with the inner diameter of the permanent magnet 1, in this example, a gap is arranged between the discharge electrode 2 and the inner wall of the permanent magnet 1, and the range of the gap is 2 mm-5 mm.
The high-voltage electrode 4 is a stainless steel metal bar. Preferably, in order to prevent corrosion due to long-term discharge, the outer surface of the high voltage electrode 4 is coated with a ceramic layer.
The power supply is a high-voltage high-frequency alternating current power supply or a high-voltage high-frequency pulse power supply.
The water mist generator is an ultrasonic water mist generator, and the diameter of an outlet of the water mist generator is smaller than or equal to the inner diameter of the permanent magnet. The bottom of the water mist generator is provided with a water tank 6 for storing water sources required by water mist generation.
When the device works, the water mist generator 5 is controlled to generate water mist, then the power switch of the high-voltage electrode 4 is switched on, so that plasma is generated between the high-voltage electrode and the permanent magnet 1, the plasma is in a sliding arc state, namely, a discharge channel rotates under the action of a magnetic field, and therefore, the water mist and the plasma can be ensured to have larger contact area, and more OH particles are generated.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and any modification, combination, replacement, or improvement made within the spirit and principle of the present invention is included in the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110525414.6A CN113175721A (en) | 2021-05-11 | 2021-05-11 | Plasma humidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110525414.6A CN113175721A (en) | 2021-05-11 | 2021-05-11 | Plasma humidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113175721A true CN113175721A (en) | 2021-07-27 |
Family
ID=76929257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110525414.6A Pending CN113175721A (en) | 2021-05-11 | 2021-05-11 | Plasma humidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113175721A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113630949A (en) * | 2021-08-30 | 2021-11-09 | 西安交通大学 | A large area low temperature plasma activated water mist generating device |
| CN114923244A (en) * | 2022-06-23 | 2022-08-19 | 珠海格力电器股份有限公司 | Plasma humidifying device and air purifier |
| CN116939937A (en) * | 2022-04-08 | 2023-10-24 | 广东美的制冷设备有限公司 | Plasma module and air treatment device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2507563Y (en) * | 2001-10-30 | 2002-08-28 | 张辛衡 | Magnetic controlled electrostatic duster |
| CN101863536A (en) * | 2010-06-04 | 2010-10-20 | 浙江大学 | Magnetically driven helical sliding arc non-equilibrium plasma wastewater treatment device |
| CN203731562U (en) * | 2014-01-27 | 2014-07-23 | 西安交通大学 | Air cleaning unit |
| CN107178858A (en) * | 2017-07-08 | 2017-09-19 | 佛山市正略信息科技有限公司 | A kind of small indoor Humidifier |
| CN217763742U (en) * | 2021-05-11 | 2022-11-08 | 武汉海思普莱生命科技有限公司 | Plasma humidifier |
-
2021
- 2021-05-11 CN CN202110525414.6A patent/CN113175721A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2507563Y (en) * | 2001-10-30 | 2002-08-28 | 张辛衡 | Magnetic controlled electrostatic duster |
| CN101863536A (en) * | 2010-06-04 | 2010-10-20 | 浙江大学 | Magnetically driven helical sliding arc non-equilibrium plasma wastewater treatment device |
| CN203731562U (en) * | 2014-01-27 | 2014-07-23 | 西安交通大学 | Air cleaning unit |
| CN107178858A (en) * | 2017-07-08 | 2017-09-19 | 佛山市正略信息科技有限公司 | A kind of small indoor Humidifier |
| CN217763742U (en) * | 2021-05-11 | 2022-11-08 | 武汉海思普莱生命科技有限公司 | Plasma humidifier |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113630949A (en) * | 2021-08-30 | 2021-11-09 | 西安交通大学 | A large area low temperature plasma activated water mist generating device |
| CN116939937A (en) * | 2022-04-08 | 2023-10-24 | 广东美的制冷设备有限公司 | Plasma module and air treatment device |
| CN114923244A (en) * | 2022-06-23 | 2022-08-19 | 珠海格力电器股份有限公司 | Plasma humidifying device and air purifier |
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