CN107197585B - Plasma generator, preparation method thereof and air purifying device - Google Patents
Plasma generator, preparation method thereof and air purifying device Download PDFInfo
- Publication number
- CN107197585B CN107197585B CN201710452258.9A CN201710452258A CN107197585B CN 107197585 B CN107197585 B CN 107197585B CN 201710452258 A CN201710452258 A CN 201710452258A CN 107197585 B CN107197585 B CN 107197585B
- Authority
- CN
- China
- Prior art keywords
- electrode
- plasma generator
- insulating medium
- plasma
- voltage
- 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.)
- Active
Links
- 238000002360 preparation method Methods 0.000 title abstract description 4
- 238000000034 method Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 9
- 230000020169 heat generation Effects 0.000 abstract description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000004887 air purification Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OLBVUFHMDRJKTK-UHFFFAOYSA-N [N].[O] Chemical class [N].[O] OLBVUFHMDRJKTK-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- -1 oxygen ions Chemical class 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- H05H1/48—Generating plasma using an arc
- H05H1/50—Generating plasma using an arc and using applied magnetic fields, e.g. for focusing or rotating the arc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Plasma Technology (AREA)
Abstract
The invention discloses a plasma generator, which comprises an electrode group and an insulating medium, wherein the electrode group comprises a first electrode and a second electrode, the first electrode, the insulating medium and the second electrode are sequentially arranged around an air flow path, and the air flow path is a channel used for enabling air to pass through the channel to form plasma. The invention also discloses a preparation method of the plasma generator and an air purifying device. The plasma generator and the air purifying device do not need to boost too high, only need to boost to 1.3-1.6KV, and avoid the generation of ozone and other accompanying matters caused by discharge under the condition of too high voltage (more than 1.8 KV); in addition, the invention can quickly diffuse the plasma under the condition of low-pressure airflow without strong airflow, and the generated body electrode has small heat generation, thus prolonging the service life of the electrode.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a plasma generator, a preparation method thereof and an air purification device.
Background
At present, most of the existing anion generators, ozone generators, plasma generators and the like in the atmospheric pressure environment in the market adopt a traditional dielectric barrier discharge mode (high-voltage corona discharge), the discharge high voltage of the anion generators is generally more than 1 ten thousand volts, the discharge high voltage of the ozone generators is about 8 kilovolts, and the discharge high voltage of the plasma generators is about 2-3 kilovolts.
However, the existing solutions have the following drawbacks:
nitrogen, oxygen and the like in the air are extremely easy to ionize and decompose to generate gases such as ozone, nitrogen oxides and the like at more than 1800V, and the ozone is an excellent sterilizing and deodorizing medium, but people can be injured when staying in an environment with exceeding ozone for a long time, and the nitrogen oxides enable direct harmful gases.
Disclosure of Invention
In order to overcome the defects in the prior art, one of the purposes of the invention is to provide a plasma generator which can solve the technical problem of harmful gas generated by ionization.
The second objective of the present invention is to provide a method for preparing a plasma generator, which can solve the technical problem of harmful gas generated by ionization.
The third object of the present invention is to provide an air purifying device, which can solve the technical problem of harmful gas generated by ionization.
One of the purposes of the invention is realized by adopting the following technical scheme:
the plasma generator comprises an electrode group and an insulating medium, wherein the electrode group comprises a first electrode and a second electrode, the first electrode, the insulating medium and the second electrode are sequentially arranged around an air flow path, the air flow path is a channel and is used for enabling air to pass through the channel to form plasma, the first electrode is an anode, and the second electrode is a cathode.
Further, the first electrode, the second electrode and the insulating medium are all annular in shape.
Further, the thickness of the insulating medium is 0.3-0.6mm.
Further, the insulating medium is made of sensitive ceramic materials.
Further, the insulating medium is doped with a magnetically conductive iron element.
Further, the number of the electrode groups is plural, and two adjacent electrode groups are arranged in parallel.
The second purpose of the invention is realized by adopting the following technical scheme:
a method of manufacturing a plasma generator comprising the steps of:
an integral forming step: adopting a secondary injection molding integrated forming process for the first electrode, the insulating medium and the second electrode to form an integrated structure;
pulse magnetizing: pulse magnetizing is carried out on the generator with the integrated structure.
The third purpose of the invention is realized by adopting the following technical scheme:
an air cleaning device comprising a power supply circuit and a plasma generator as claimed in any one of the preceding claims, the power supply circuit comprising a transformer for converting a received ac voltage to a dc voltage and transmitting the dc voltage to the boost module such that the boost module generates a discharge arc at the electrode set.
Compared with the prior art, the invention has the beneficial effects that:
the plasma generator and the air purifying device do not need to boost too high, only need to boost to 1.3-1.6KV, and avoid the generation of ozone and other accompanying matters caused by discharge under the condition of too high voltage (more than 1.8 KV); in addition, the invention can quickly diffuse the plasma under the condition of low-pressure airflow without strong airflow, and the generated body electrode has small heat generation, thus prolonging the service life of the electrode.
Drawings
FIG. 1 is a block diagram of a plasma generator of the present invention;
FIG. 2 is an exploded view of the plasma generator of the present invention;
fig. 3 is a flowchart of a method of manufacturing a plasma generator according to the present invention.
Reference numerals: 1. a first electrode; 2. an insulating medium; 3. and a second electrode.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
As shown in fig. 1 and 2, the invention discloses a plasma generator, which comprises electrode groups and an insulating medium 2, wherein the thickness of the insulating medium 2 is 0.3-0.6mm, the insulating medium 2 is made of sensitive ceramic materials, the insulating medium 2 is doped with magnetic iron elements, the number of the electrode groups is multiple, two adjacent electrode groups are arranged in parallel, each electrode group comprises a first electrode 1 and a second electrode 3, the first electrode 1, the insulating medium 2 and the second electrode 3 are sequentially arranged around an air flow path, and the shapes of the first electrode 1, the second electrode 3 and the insulating medium 2 are all annular; the shapes of the first electrode 1, the second electrode 3 and the insulating medium 2 can be set according to the requirements, and the insulating medium can be not only annular, but also flaky, so that the insulating medium is installed and used;
the air flow path is a passage for passing air therethrough to form plasma, the first electrode 1 is an anode, and the second electrode 3 is a cathode.
The invention adopts a plurality of specially designed double-electrode structures to be arranged in a coplanar and parallel way. The single double electrodes are filled with insulating medium with thickness of 0.3-0.6mm. The insulating medium 2 is made of special sensitive ceramic material, a small amount of conductive magnet elements are doped in the insulating medium, the whole sensitive ceramic insulating medium annularly surrounds the inner high-voltage anode to form a peripheral non-uniform magnetic field, the electrode discharge power of the insulating medium under the condition of low and high voltage (1.3-1.6 KV) is enhanced, the voltage fluctuation range is increased, and the uniformity of plasma generation is improved.
The invention also discloses an air purifying device, which comprises a power circuit and the plasma generator, wherein the power circuit comprises a transformer and a boosting module, the transformer is used for converting received alternating voltage into direct voltage, the transformer is used for converting alternating voltage 220V into direct voltage 12V and transmitting the direct voltage to the boosting module, and the boosting module adopts a ZVS driving circuit to drive a high-voltage package so as to output high voltage of about 1.3-1.6KV; the step-up module generates discharge arc at the electrode group so as to generate 8000 thousands of positive and negative ion excited states, and the molecules are excited and ionized to generate a large number of active positive and negative oxygen ions, oxygen atoms, hydroxyl groups, high-energy electrons e and the like; the positive and negative ion clusters and the high-energy electrons are contacted and collided with pollutant molecules in the air, chemical bonds of the molecules are opened and reduced into carbon dioxide and water, so that air purification is finished, and ozone and harmful nitrogen-oxygen compounds are not generated basically.
The working principle of the invention is as follows:
when the air purification device operates, high-voltage discharge is generated at the high-voltage electrode, namely the anode, so that molecules at the high-voltage electrode are excited to generate a large number of active positive and negative oxygen ions, oxygen atoms, hydroxyl, high-energy electrons e and the like; the positive and negative ion clusters and the high-energy electrons are contacted and collided with pollutant molecules in the air, chemical bonds of the molecules are opened and reduced into carbon dioxide and water, so that air purification is finished, and ozone and harmful nitrogen-oxygen compounds are not generated basically.
As shown in fig. 3, the present invention also provides a method for preparing a plasma generator, comprising the steps of:
step S1: adopting a secondary injection molding integrated forming process for the first electrode, the insulating medium and the second electrode to form an integrated structure; forming an integrated generator structure through a secondary injection molding integrated forming process, wherein the electrodes are in seamless connection with the insulating medium, and consistency and uniformity of discharge gaps are ensured;
step S2: pulse magnetizing is carried out on the generator with the integrated structure.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (8)
1. The plasma generator is characterized by comprising an electrode group and an insulating medium, wherein the electrode group comprises a first electrode and a second electrode, the first electrode, the insulating medium and the second electrode are sequentially arranged around an air flow path, the air flow path is a channel and is used for enabling air to pass through the channel to form plasma, the first electrode is an anode, and the second electrode is a cathode.
2. The plasma generator of claim 1, wherein the first electrode, the second electrode, and the insulating medium are each annular in shape.
3. The plasma generator of claim 1, wherein the insulating medium has a thickness of 0.3-0.6mm.
4. The plasma generator of claim 1, wherein the dielectric medium is a sensitive ceramic material.
5. The plasma generator of claim 4 wherein said insulating medium incorporates magnetically permeable iron elements.
6. The plasma generator of claim 1, wherein the number of electrode sets is plural, and adjacent two electrode sets are arranged in parallel.
7. A method for manufacturing a plasma generator according to any one of claims 1 to 6, comprising the steps of:
an integral forming step: adopting a secondary injection molding integrated forming process for the first electrode, the insulating medium and the second electrode to form an integrated structure; pulse magnetizing:
pulse magnetizing is carried out on the generator with the integrated structure.
8. An air cleaning apparatus comprising a power supply circuit and the plasma generator of any one of claims 1 to 6, the power supply circuit comprising a transformer for converting a received ac voltage into a dc voltage and transmitting the dc voltage to the boost module such that the boost module generates a discharge arc at the electrode set, and a boost module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452258.9A CN107197585B (en) | 2017-06-15 | 2017-06-15 | Plasma generator, preparation method thereof and air purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452258.9A CN107197585B (en) | 2017-06-15 | 2017-06-15 | Plasma generator, preparation method thereof and air purifying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107197585A CN107197585A (en) | 2017-09-22 |
| CN107197585B true CN107197585B (en) | 2023-06-30 |
Family
ID=59878424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710452258.9A Active CN107197585B (en) | 2017-06-15 | 2017-06-15 | Plasma generator, preparation method thereof and air purifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107197585B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682899B (en) * | 2021-01-04 | 2024-06-25 | 东莞市唯帝信息技术有限公司 | Air purifier based on high-voltage ionized air |
| CN113727509B (en) * | 2021-09-02 | 2023-08-18 | 南通三信塑胶装备科技股份有限公司 | Discharge generating structure and planar plasma discharge generating device based on same |
| CN116347739A (en) * | 2023-03-22 | 2023-06-27 | 珠海格力电器股份有限公司 | Plasma generator and sterilizer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759162A (en) * | 2015-01-27 | 2015-07-08 | 北京银河之舟环保科技有限公司 | Dielectric filtration material charged regeneration device and method |
| CN106823707A (en) * | 2017-02-20 | 2017-06-13 | 苏州盟力环境科技有限公司 | A kind of low-temperature plasma emission-control equipment |
| CN207053860U (en) * | 2017-06-15 | 2018-02-27 | 青岛安德尔环保节能设备有限公司 | A kind of plasma generator and air cleaning unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6441554B1 (en) * | 2000-11-28 | 2002-08-27 | Se Plasma Inc. | Apparatus for generating low temperature plasma at atmospheric pressure |
-
2017
- 2017-06-15 CN CN201710452258.9A patent/CN107197585B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759162A (en) * | 2015-01-27 | 2015-07-08 | 北京银河之舟环保科技有限公司 | Dielectric filtration material charged regeneration device and method |
| CN106823707A (en) * | 2017-02-20 | 2017-06-13 | 苏州盟力环境科技有限公司 | A kind of low-temperature plasma emission-control equipment |
| CN207053860U (en) * | 2017-06-15 | 2018-02-27 | 青岛安德尔环保节能设备有限公司 | A kind of plasma generator and air cleaning unit |
Non-Patent Citations (1)
| Title |
|---|
| 江中和 ; 胡希伟 ; 刘明海 ; 孙承志 ; 张跃飞 ; 陈光良 ; 葛袁静 ; 张广秋 ; .两种电极结构等离子体发生器的静态电场计算.高电压技术.2007,(第09期),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107197585A (en) | 2017-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101500420B1 (en) | Dielectric barrier discharge type electrode assembly having a conductor protrusion | |
| CN101920031B (en) | Plasma air sterilization and purification device and air sterilization and purification method thereof | |
| US20110115415A1 (en) | Low ozone ratio, high-performance dielectric barrier discharge reactor | |
| CN111010790A (en) | Dielectric barrier discharge plasma reactor and sterilizing device | |
| WO2011079510A1 (en) | Metal belt-plate structure reactor | |
| CN107029644B (en) | A device for generating oxygen active substances by mesh-shaped creeping discharge plasma | |
| CN104127907A (en) | Non-thermal plasma air-purifying and disinfecting reactor | |
| DE60216261T8 (en) | ION GENERATOR AND AIR CONDITIONING DEVICE | |
| CN108322990A (en) | A kind of plasma generating assembly and air cleaning unit | |
| CN108325351A (en) | A kind of double medium low temperature plasma gas purifiers of electromagnetic induction coupling | |
| KR20170050121A (en) | dielectric barrier discharge electrode using side surface discharge | |
| CN107197585A (en) | A kind of plasma generator and preparation method thereof, air cleaning unit | |
| CN109429419A (en) | A kind of novel medium barrier plasma generating device | |
| KR100489508B1 (en) | Method and apparatus for generating of temperature plasma | |
| CN207053860U (en) | A kind of plasma generator and air cleaning unit | |
| CN114745839B (en) | Surface-body coupling discharge plasma device based on seed electron generation | |
| WO2018153278A1 (en) | New ozone generation plate | |
| CN117878723A (en) | Ion wind discharge electrode heating control method and ion wind generating electrode group | |
| CN205249592U (en) | Novel VOC handles device | |
| CN212347288U (en) | Three-phase three-dimensional electrode generator for plasma air purification device | |
| CN117015127A (en) | Spiral electrode structure, plasma generating device and air purifier | |
| CN108339379A (en) | Double medium low-temperature plasma emission-control equipments are coupled based on electromagnetic induction | |
| KR20070076939A (en) | Air purification system | |
| CN105344212A (en) | Single-dielectric barrier low temperature plasma discharge module | |
| CN220156702U (en) | Matrix medium barrier discharge low-temperature plasma purifying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 266041 No. 98 Linfen Road, Licang District, Qingdao City, Shandong Province Applicant after: QINGDAO ANDEER ECOLOGICAL TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 266041 No. 98 Linfen Road, Licang District, Qingdao City, Shandong Province Applicant before: QINGDAO ANDEER ENVIRONMENTAL PROTECTION AND ENERGY SAVING EQUIPMENT Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |