CN211189587U - Plasma filter screen device - Google Patents
Plasma filter screen device Download PDFInfo
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- CN211189587U CN211189587U CN201921661933.XU CN201921661933U CN211189587U CN 211189587 U CN211189587 U CN 211189587U CN 201921661933 U CN201921661933 U CN 201921661933U CN 211189587 U CN211189587 U CN 211189587U
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- electrode plate
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Abstract
The utility model discloses a plasma filter unit contains: the filter comprises a hollow outer frame, a first filter screen, a high-voltage electrode plate, a low-voltage electrode plate and a power module, wherein the first filter screen and the low-voltage electrode plate are respectively arranged at two sides of the high-voltage electrode plate at intervals, the first filter screen is positioned at one side of the air inlet, the power module is respectively electrically connected with the low-voltage electrode plate and the high-voltage electrode plate, the low-voltage electrode plate and the high-voltage electrode plate are electrified to form potential difference, and the high-voltage electrode plate, the low-voltage electrode plate and the first filter screen are fixedly arranged in the outer frame at intervals, so that the air is filtered by two stages; active particles generated by a plasma discharge chamber formed between the high-voltage electrode plate and the low-voltage electrode plate can effectively remove VOCs and formaldehyde.
Description
Technical Field
The utility model relates to an air purification device technical field, more specifically the plasma filter unit that says so.
Background
With the continuous improvement of the living standard of people, the requirements for the living environment are increasingly strict. The indoor air quality has direct influence on the health of people. Indoor air pollution factors are various, PM2.5 particles, VOCs, formaldehyde, bacteria and the like exist, and the traditional single ventilation, filtration and adsorption type purification mode cannot meet the requirement of modern indoor air pollution treatment.
Air purifier in the existing market adopts a plurality of functional modules more, realizes indoor air purification through the mode of hierarchical processing, and wherein most common functional module is for using HEPA filter core to realize getting rid of formaldehyde, VOCs to PM2.5 particulate matter's high-efficient interception and adopting the active carbon adsorption to realize indoor air purification through the stack use of functional module. However, the functional module overlapping use mode can cause larger wind resistance and small purified air volume, so that a centrifugal fan must be used, but the power and the noise of the centrifugal fan are also greatly increased. In addition, the activated carbon is used for treating VOCs and formaldehyde, which is mainly a physical adsorption process, and the adsorption effect of the activated carbon is lower as the adsorption capacity of the activated carbon is longer, so that the activated carbon cannot be used for a long time and must be replaced frequently, and the VOCs and the formaldehyde are difficult to be effectively treated; in addition, after the activated carbon is saturated in adsorption, the desorption of pollutant molecules has the problem of secondary pollution.
In view of the above, the present invention provides a designer to make an idea of the above disadvantages and inconveniences, and actively research, improve and try to develop and design the present invention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plasma filter unit improves the entrapment effect to the particulate matter through the two-stage filtration to can get rid of VOCs and formaldehyde etc. simultaneously.
In order to realize the purpose, the utility model discloses a technical scheme is:
a plasma screen apparatus, comprising: hollow frame, first filter screen, high-voltage electrode board, low-voltage electrode board and power module, the both sides of high-voltage electrode board are located at the interval respectively to first filter screen and low-voltage electrode board, first filter screen is located into wind one side, power module respectively with low-voltage electrode board, high-voltage electrode board electric connection, circular telegram forms the potential difference between low-voltage electrode board and the high-voltage electrode board, low-voltage electrode board and first filter screen interval set firmly in the frame.
The high-voltage electrode plate is a metal filter screen with 1000 meshes and 1500 meshes.
The first filter screen is one of glass fiber filter paper, polypropylene filter paper or polyethylene terephthalate filter paper.
The first filter screen is planar or folded three-dimensional.
The low-voltage electrode plate is made of ceramic or quartz, and the surface of the low-voltage electrode plate facing the high-voltage electrode plate is coated with a conductive material.
The conductive material is one of silver, copper or nickel.
The distance between the high-voltage electrode plate and the low-voltage electrode plate is 5-15 mm.
The frame includes metal casing and mounting, the mounting is the U type that two openings set up relatively, and the relative internal surface of two mountings is equipped with a plurality of draw-in grooves that supply first filter screen, high voltage electrode board and low voltage electrode board card respectively to go into, the metal casing cladding is outside the mounting, and two mounting tip are to bumping fixedly.
The fixing piece is made of polytetrafluoroethylene.
After the technical scheme is adopted, the air is pre-filtered by using the first filter screen as a primary filter screen, so that the influence of impurities such as particles on dielectric barrier discharge generated between the subsequent high-voltage electrode plate and the subsequent low-voltage electrode plate is avoided; dust is coagulated by an electric field formed between the high-voltage electrode plate and the low-voltage electrode plate, so that air is filtered by two stages, and the filtering precision of PM2.5 is further improved; active particles generated by a plasma discharge chamber formed between the high-voltage electrode plate and the low-voltage electrode plate can effectively remove VOCs and formaldehyde.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an exploded view of the present invention.
[ notation ] to show
High-voltage electrode plate 2 of first filter screen 1
And a low-voltage electrode plate 3 fixing part 4.
Detailed Description
To achieve the above objects and advantages, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a plasma screen device includes: hollow frame, first filter screen 1, high voltage electrode board 2, low voltage electrode board 3 and power module (not shown in the figure), the both sides of high voltage electrode board 2 are located at the interval respectively to first filter screen 1 and low voltage electrode board 3, first filter screen 1 is located into wind one side, power module respectively with low voltage electrode board 3, high voltage electrode board 2 electric connection, the circular telegram forms the potential difference between low voltage electrode board 3 and the high voltage electrode board 2, low voltage electrode board 3 and first filter screen 1 interval set firmly in the frame, wherein power module can adopt high frequency high voltage power supply.
Furthermore, the first filter screen 1 may be one of glass fiber filter paper, ultra-fine polypropylene (PP) filter paper, or polyethylene terephthalate (PET) filter paper, and the first filter screen 1 may be planar or folded three-dimensional.
Wherein, the high voltage electrode plate 2 can be a metal filter screen with 1000-1500 meshes.
Further, the low-voltage electrode plate 3 may be made of ceramic or quartz, a surface hole of the ceramic or quartz is a gas channel, and a surface of the low-voltage electrode plate 3 facing the high-voltage electrode plate 2 is coated with a conductive material, which may be one of silver, copper, or nickel.
Secondly, the distance between the high-voltage electrode plate 2 and the low-voltage electrode plate 3 can be 5mm-15 mm.
Therefore, the utility model utilizes the first filter screen 1 as a primary filter screen to pre-filter the air, i.e. when the polluted air enters from the inlet side of the first filter screen 1, the particles are intercepted by the first filter screen 1, thereby avoiding the influence of impurities such as particles on the dielectric barrier discharge generated between the subsequent high-voltage electrode plate 2 and the low-voltage electrode plate 3; fine particles in dust which cannot be trapped by the first filter screen 1 are coagulated by an electric field formed between the high-voltage electrode plate 2 and the low-voltage electrode plate 3, so that air is filtered in two stages, and the filtering precision of PM2.5 is further improved; in other words, high-energy electrons generated by dielectric barrier discharge between the high-voltage electrode plate 2 and the low-voltage electrode plate 3 collide with pollutant molecules, chemical bonds among the pollutant molecules are broken, meanwhile, water and oxygen in the air generate active particles with strong oxidizing property such as OH free radicals and active oxygen, and the active particles can also react with the pollutant molecules to promote pollutant degradation.
In addition, the outer frame is arranged around the outer sides of the first filter screen 1, the high electrode plate 2 and the low electrode plate 3, can comprise a metal shell and a fixing piece 4, the fixing piece 4 is in a U shape with two opposite openings, the opposite inner surfaces of the two fixing pieces 4 are provided with a plurality of clamping grooves for clamping the first filter screen 1, the high-voltage electrode plate 2 and the low-voltage electrode plate 3 respectively, the first filter screen 1, the high-voltage electrode plate 2 and the low-voltage electrode plate 3 are inserted into a fixing piece 4 in sequence, then the end part of the other fixing piece 4 is used for being in butt-collision fixing with the end part of one fixing piece 4, the metal casing passes through the mode cladding of buckle outside being fixed in mounting 4, the material of mounting 4 can be polytetrafluoroethylene, prevents that electrode and metal casing from contacting, avoids the risk that the electric leakage produced, installs high plate electrode 2 and low plate electrode 3's draw-in groove one side and is equipped with the conducting strip to can be connected conducting strip and power module through the wire.
The technical content and technical features of the present invention have been disclosed as above, and the present invention is not limited to the above-mentioned components, and those skilled in the art may make various replacements and modifications based on the disclosure of the present invention without departing from the spirit of the present invention. Therefore, the protection scope of the present invention should not be limited to the embodiments disclosed, but should include various alternatives and modifications without departing from the invention, and be covered by the claims.
Claims (9)
1. A plasma screen apparatus, comprising: hollow frame, first filter screen, high-voltage electrode board, low-voltage electrode board and power module, the both sides of high-voltage electrode board are located at the interval respectively to first filter screen and low-voltage electrode board, first filter screen is located into wind one side, power module respectively with low-voltage electrode board, high-voltage electrode board electric connection, circular telegram forms the potential difference between low-voltage electrode board and the high-voltage electrode board, low-voltage electrode board and first filter screen interval set firmly in the frame.
2. The plasma screen apparatus of claim 1, wherein the high voltage electrode plate is a 1000-1500 mesh metal screen.
3. A plasma screen apparatus as defined in claim 1, wherein: the first filter screen is one of glass fiber filter paper, polypropylene filter paper or polyethylene terephthalate filter paper.
4. A plasma screen apparatus as defined in claim 3, wherein: the first filter screen is planar or folded three-dimensional.
5. A plasma screen apparatus as defined in claim 1, wherein: the low-voltage electrode plate is made of ceramic or quartz, and the surface of the low-voltage electrode plate facing the high-voltage electrode plate is coated with a conductive material.
6. The plasma screen apparatus of claim 5, wherein: the conductive material is one of silver, copper or nickel.
7. A plasma screen apparatus as defined in claim 1, wherein: the distance between the high-voltage electrode plate and the low-voltage electrode plate is 5-15 mm.
8. A plasma screen apparatus as defined in claim 1, wherein: the frame includes metal casing and mounting, the mounting is the U type that two openings set up relatively, and the relative internal surface of two mountings is equipped with a plurality of draw-in grooves that supply first filter screen, high voltage electrode board and low voltage electrode board card respectively to go into, the metal casing cladding is outside the mounting, and two mounting tip are to bumping fixedly.
9. A plasma screen apparatus as defined in claim 8, wherein: the fixing piece is made of polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661933.XU CN211189587U (en) | 2019-09-30 | 2019-09-30 | Plasma filter screen device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661933.XU CN211189587U (en) | 2019-09-30 | 2019-09-30 | Plasma filter screen device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211189587U true CN211189587U (en) | 2020-08-07 |
Family
ID=71881175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921661933.XU Active CN211189587U (en) | 2019-09-30 | 2019-09-30 | Plasma filter screen device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211189587U (en) |
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2019
- 2019-09-30 CN CN201921661933.XU patent/CN211189587U/en active Active
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