CN220911616U - Low-temperature plasma air purifier - Google Patents
Low-temperature plasma air purifier Download PDFInfo
- Publication number
- CN220911616U CN220911616U CN202322154833.0U CN202322154833U CN220911616U CN 220911616 U CN220911616 U CN 220911616U CN 202322154833 U CN202322154833 U CN 202322154833U CN 220911616 U CN220911616 U CN 220911616U
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- Prior art keywords
- air
- plasma generator
- plasma
- shell
- circuit board
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000007772 electrode material Substances 0.000 claims description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 241000700605 Viruses Species 0.000 abstract description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 8
- 241000894006 Bacteria Species 0.000 abstract description 8
- 241000712431 Influenza A virus Species 0.000 abstract description 7
- 241000588724 Escherichia coli Species 0.000 abstract description 6
- 241000191967 Staphylococcus aureus Species 0.000 abstract description 6
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- 231100001243 air pollutant Toxicity 0.000 abstract description 6
- 244000309467 Human Coronavirus Species 0.000 abstract description 5
- 229910021529 ammonia Inorganic materials 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 4
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- 239000000203 mixture Substances 0.000 abstract description 4
- 241000191940 Staphylococcus Species 0.000 abstract description 2
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 7
- 230000001954 sterilising effect Effects 0.000 description 7
- 238000005070 sampling Methods 0.000 description 6
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- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 241000134304 Influenza A virus H3N2 Species 0.000 description 3
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- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses a low-temperature plasma air purifier, which comprises a shell, wherein an air inlet is formed in the side surface of the shell, an air outlet is formed in the top end of the shell, a fan and a plasma generating device are arranged between the air inlet and the air outlet, and mesh plates are arranged at the air inlet and the air outlet; the low-temperature plasma air purifier can achieve the following effects: the bactericidal composition has low noise, small volume and low energy consumption, efficiently kills bacteria and viruses, has no influence on human bodies, and can kill more than 99.9 percent of human coronaviruses (Hcov-229 e), influenza A viruses H3n2, influenza A viruses, escherichia coli, staphylococcus aureus, staphylococcus albuminosus and other air pollutants through detection of an authoritative detection mechanism, thereby effectively killing formaldehyde, benzene, ammonia and other air pollutants.
Description
Technical Field
The utility model relates to the technical field of air purifiers, in particular to a low-temperature plasma air purifier.
Background
The prior traditional air purifier generally purifies air by mechanical filtration, electrostatic dust collection or ozone sterilization, and has the following characteristics: the mechanical filtration is used for intercepting and filtering the fine particles by utilizing modes such as direct interception, inertial collision, screening effect and the like through a filter screen; electrostatic dust collection is a dust collection method in which a high-voltage electrostatic field is used to ionize gas so that dust particles are electrically adsorbed onto an electrode; ozone sterilization kills harmful substances in the air by releasing a large amount of ozone through an ozone generator.
The above-mentioned conventional air purifier also has the following problems: the mechanical filtration can only intercept part of fine particles, cannot kill bacteria and viruses, has large wind resistance, has large resistance for obtaining high purification efficiency, and needs to be compact to reduce service life and to be replaced periodically; the static dust collection can not kill bacteria and viruses, has poor effect, can cause discharge, and is troublesome and time-consuming to clean; ozone sterilization can kill bacteria and viruses, but the effect is poor, and the high concentration of ozone in the air can cause discomfort to human body, so we propose a low-temperature plasma air purifier for solving the problems.
Disclosure of utility model
The utility model aims to provide a low-temperature plasma air purifier so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a low temperature plasma air purifier, includes the casing, the casing side is equipped with the air intake, the casing top is equipped with the air outlet, the air intake with be equipped with fan and plasma generating device between the air outlet, the air intake with air outlet department all is equipped with the otter board.
Preferably, the plasma generating device comprises a first plasma generator and a second plasma generator which are fixedly connected and arranged in the shell, and the positions of the first plasma generator and the second plasma generator are distributed up and down.
Preferably, two coaxial cylinder electrodes are arranged in parallel in the first plasma generator and the second plasma generator, the outer wall of the coaxial cylinder electrode is a quartz medium, and alloy electrode materials are filled in the coaxial cylinder electrodes.
Preferably, one end of the coaxial cylindrical electrode is closed by a quartz medium, and the other end extends to the outer side of the coaxial cylindrical electrode and is connected with a power supply.
Preferably, a switch button is arranged at the air outlet, a control circuit board and a light guide strip are arranged in the shell, and the control circuit board is connected with the switch button and the plasma generating device.
Preferably, a gradual change lamp circuit board is installed in the shell, a light guide strip is installed on the gradual change lamp circuit board, and the control circuit board is connected with the gradual change lamp circuit board.
Compared with the prior art, the utility model has the beneficial effects that:
The low-temperature plasma air purifier can achieve the following effects: the bactericidal composition has low noise, small volume and low energy consumption, efficiently kills bacteria and viruses, has no influence on human bodies, and can kill more than 99.9 percent of human coronaviruses (Hcov-229 e), influenza A viruses H3n2, influenza A viruses, escherichia coli, staphylococcus aureus, staphylococcus albuminosus and other air pollutants through detection of an authoritative detection mechanism, thereby effectively killing formaldehyde, benzene, ammonia and other air pollutants.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a plasma generator according to the present utility model;
FIG. 3 is a schematic view of a coaxial cylindrical electrode structure according to the present utility model;
FIG. 4 is a graph showing the sterilization effect of the utility model on Staphylococcus albus;
FIG. 5 is a graph showing the effect of the present utility model on sterilizing human tubular viruses and influenza A viruses;
FIG. 6 is a graph showing the effect of the utility model on sterilizing E.coli and Staphylococcus aureus;
In the figure:
1. a switch button; 2. an air outlet; 3. a fan; 4. a catheter strip; 5. a gradual change lamp circuit board; 6. a first plasma generator; 7. a second plasma generator; 8. an air inlet; 9. and a control circuit board.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 4-6, the utility model can kill human coronavirus (Hcov-229 e), influenza a virus H3n2, influenza a virus, escherichia coli, staphylococcus aureus, staphylococcus albus and the like with the killing rate of more than 99.9%, and can effectively kill air pollutants such as formaldehyde, benzene, ammonia and the like.
In a 3m 3 test chamber, stirring by a fan while spraying, continuing stirring by the fan for 5min after spraying is finished, standing for 5min until the number of positive control bacteria in air in the aerosol chamber reaches 5.0x10 4cfiu/m3-5.0x106cfi/m3, sampling before sterilizing the aerosol chambers of the test group and the control group by using a liquid impact type microorganism aerosol sampler, sampling at a flow rate of 11L/min, wherein the volume of sampling liquid is 20mL, the sampling time of the test group and the control group is 2min, starting the action of the sample machine for 1h, sampling the sterilized aerosol chambers at the same flow rate, the sampling time of the test group and the control group is 2min, culturing the collected plates in a 37C incubator for 48h, and observing the results; the test was repeated 3 times.
The test strains were Staphylococcus albus, human coronavirus (Hcov-229 e), influenza A virus H3n2, escherichia coli and Staphylococcus aureus.
Referring to fig. 1-3, in a first embodiment of the present utility model, a low temperature plasma air purifier is provided, which comprises a housing, an air inlet 8 is provided at the side of the housing, an air outlet 2 is provided at the top of the housing, a fan 3 and a plasma generating device are provided between the air inlet 8 and the air outlet 2, mesh plates are provided at the air inlet 8 and the air outlet 2, the plasma generating device comprises a first plasma generator 6 and a second plasma generator 7 which are fixedly connected and arranged in the housing, the first plasma generator 6 and the second plasma generator 7 are vertically distributed at the position, two coaxial cylinder electrodes 63 are arranged in parallel side by side in the first plasma generator 6 and the second plasma generator 7, quartz media 61 are provided at the outer wall of the coaxial cylinder electrode 63, alloy electrode materials 62 are filled in the coaxial cylinder electrode 63, one end of the coaxial cylinder electrode 63 is sealed by quartz media, the other end extends to the outer side of the coaxial cylinder electrode 63 and is connected with a power supply, a switch circuit 1 is provided at the air outlet 2, a control circuit 9 is mounted in the housing, a light guide circuit 9 is mounted in the light guide plate, a light guide plate is connected with the control circuit 9, and a light guide plate is connected with the light guide plate 9, and the light guide plate is connected with the light guide plate 9.
Specifically, the method is applicable to relatively closed places such as offices, families, schools, hospitals and markets, active free radicals, anions and the like released by the low-temperature plasma generator are diffused into the air through the fan, and are subjected to chemical reaction with harmful gas molecules to finally generate harmless products, and simultaneously, the electrostatic effect enables tiny particles to gather and sink, so that suspended particles in the air are reduced. The killing rate of the composition on human coronavirus (Hcov-229 e), influenza A virus H3n2, influenza A virus, escherichia coli, staphylococcus aureus, staphylococcus albus and the like can reach over 99.9 percent, and the composition can effectively kill air pollutants such as formaldehyde, benzene, ammonia and the like.
Specifically, the switch button 1 is pressed to operate, the gradual change lamp on the gradual change lamp circuit board 5 starts to emit light through the light guide strip 4, the gradual change lamp is turned on to operate, air is sucked from the air inlet 8 through the screen, high-energy electrons, positive and negative ions, excited state particles and free radicals with strong oxidability in the air are collided and combined with part of ozone molecules under the action of the first plasma generator 6 and the second plasma generator 7, a large amount of active free radicals such as OH, HO 2 and O and the like and O 3 with extremely strong oxidability are generated under the action of an electric field, then the active free radicals, negative ions and the like released by the low-temperature plasma generator are diffused into the air from the air outlet 2 through the fan 3, wherein charged particles with higher energy can break down the external structures of microorganisms such as bacteria, active oxygen components can react with macromolecules such as proteins, nucleic acids and lipids in the external structures of the microorganisms such as bacteria, the structures are damaged by the etching effect, the cell permeability is changed, and the cell permeability is thoroughly killed; for viruses, particles with strong oxidation can damage the outer protein capsids of the viruses, react with central nucleic acids, and cause the death of the viruses; simultaneously, the electrostatic effect causes tiny particles to gather and sink, and the suspended particles in the air are reduced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a low temperature plasma air purifier which characterized in that: the plasma generator comprises a shell, wherein an air inlet (8) is formed in the side face of the shell, an air outlet (2) is formed in the top end of the shell, a fan (3) and a plasma generator are arranged between the air inlet (8) and the air outlet (2), and a screen is arranged at the positions of the air inlet (8) and the air outlet (2); the plasma generating device comprises a first plasma generator (6) and a second plasma generator (7) which are fixedly connected and arranged in the shell, and the positions of the first plasma generator (6) and the second plasma generator (7) are distributed up and down; the plasma generating device comprises a first plasma generator (6) and a second plasma generator (7), wherein two coaxial cylindrical electrodes (63) are arranged in parallel in the first plasma generator (6) and the second plasma generator (7), quartz media (61) are arranged on the outer wall of each coaxial cylindrical electrode (63), and alloy electrode materials (62) are filled in the coaxial cylindrical electrodes (63).
2. A low temperature plasma air cleaner as defined in claim 1, wherein: one end of the coaxial cylindrical electrode (63) is closed by a quartz medium (61), and the other end extends to the outer side of the coaxial cylindrical electrode (63) and is connected with a power supply.
3. A low temperature plasma air cleaner as defined in claim 1, wherein: the air outlet (2) is provided with a switch button (1), a control circuit board (9) and a light guide strip (4) are arranged in the shell, the control circuit board (9) is connected with the switch button (1) and the plasma generating device.
4. A low temperature plasma air cleaner as defined in claim 3, wherein: the LED lamp is characterized in that a gradual change lamp circuit board (5) is arranged in the shell, a light guide strip (4) is arranged on the gradual change lamp circuit board (5), and a control circuit board (9) is connected with the gradual change lamp circuit board (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322154833.0U CN220911616U (en) | 2023-08-11 | 2023-08-11 | Low-temperature plasma air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322154833.0U CN220911616U (en) | 2023-08-11 | 2023-08-11 | Low-temperature plasma air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220911616U true CN220911616U (en) | 2024-05-07 |
Family
ID=90918040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322154833.0U Active CN220911616U (en) | 2023-08-11 | 2023-08-11 | Low-temperature plasma air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220911616U (en) |
-
2023
- 2023-08-11 CN CN202322154833.0U patent/CN220911616U/en active Active
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