CN210089019U - Nano ion generating device with filter screen - Google Patents
Nano ion generating device with filter screen Download PDFInfo
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- CN210089019U CN210089019U CN201920926912.XU CN201920926912U CN210089019U CN 210089019 U CN210089019 U CN 210089019U CN 201920926912 U CN201920926912 U CN 201920926912U CN 210089019 U CN210089019 U CN 210089019U
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Abstract
The utility model relates to a nanometer ion generating device with a filter screen, which mainly comprises a nanometer ion generator, a contraposition electrode plate, a filter screen and a high-voltage power supply module; the nanometer ion generator comprises at least one ion generating head, is used for discharging to generate a large amount of nanometer ions and ultraviolet light so as to charge or aggregate fine particles such as PM2.5 and the like into large particles, and activates a photocatalyst on the opposite electrode plate to decompose formaldehyde and VOC, sterilize, disinfect and the like; the opposite electrode plate is used for coarsely collecting charged particles and eliminating the charges of the charged particles in time; the filter screen is composed of coarse filter screens such as activated carbon or foam metal and the like and is used for efficiently collecting charged particles; and the high-voltage power supply module is used for providing corresponding power supplies for the nano ion generator and the opposite electrode plate. The device not only can high-efficiently purify fine particles such as PM2.5, but also can decompose pollutants such as formaldehyde, VOC, bacteria, viruses and the like, and has the characteristics of no ozone, no consumables, small wind resistance, large dust holding capacity, efficient purification, simple structure and the like.
Description
Technical Field
The utility model relates to a nanometer ion generating device with filter screen belongs to the air purification field, especially relates to a no ozone, no consumptive material, low resistance efficient clarifier field.
Background
Along with the attention of people to the air quality, the air purifier receives more and more attention. Air purifiers on the market are various in types, and used purification technologies are also characterized. The most common and mature purification technology at present utilizes the high-efficient filter screen of HEPA, but the HEPA filter screen is the consumptive material, and not only it is troublesome to change, moreover because its resistance is big, need dispose the fan, leads to the noise of product big, the power consumption is big.
The electrostatic dust removal technology can overcome the defects of the HEPA filter screen. The electrostatic dust collection is a dust collection method which utilizes an electrostatic field to ionize gas so as to enable dust particles to be adsorbed on an electrode in a charged manner, and no material consumption is caused. But it has many disadvantages such as easy to generate a large amount of ozone, large volume, small dust holding capacity, etc. In the past, on the basis of the electrostatic dust removal technology, researchers have proposed a purification technology that uses an electric field to charge fine particles in air and then sets an electrostatic field to polarize a coarse filter, such as a reference (application No. 201710442021.2), so as to capture the fine particles. However, the technology adopts a mode of corona discharge of a plurality of or a plurality of groups of electrode needles, and still has the defects of generation of a large amount of ozone, reduction of filtration efficiency after long-term use and the like. Moreover, the purification technology can only remove fine particulate matters such as PM2.5 and the like, and has no capability and weakness for formaldehyde, VOC, bacteria, viruses and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a compensate the not enough of prior art, provide a nanometer ion generating device with filter screen.
The utility model adopts the technical proposal that:
a nanometer ion generating device with a filter screen comprises a nanometer ion generator, wherein the nanometer ion generator comprises at least one ion generating head and a hollow porous high-voltage electrode plate, and the ion generating head is fixedly arranged on the high-voltage electrode plate; the device also comprises a counter electrode plate and a filter screen, wherein the counter electrode plate and the filter screen are arranged at the downstream of the nano ion generator along the airflow direction.
Further, the ion generating heads are fixed on the high-voltage electrode plate in parallel.
Further, the high-voltage electrode plate and the opposite electrode plate are electrically connected with the high-voltage power supply module.
Further, the counter electrode plate is disposed upstream or downstream of the screen, or embedded in the screen.
The nano ion generator, the counter electrode plate and the filter screen are respectively and fixedly arranged in the airflow channel, and the airflow channel is respectively communicated with the air inlet and the air outlet.
Further, the nano-ion generator is loaded with a negative high voltage electricity or a positive high voltage electricity; the opposite electrode plate is grounded or loaded with high-voltage electricity opposite to the high-voltage electricity loaded by the nanometer ion generator.
Further, the opposite electrode plate is a circular ring or a hollow porous conductor.
Further, the counter electrode plate is coated with a photocatalyst material such as titanium dioxide.
Further, the ion generating head is composed of a plurality of corrosion-resistant conductors which are easy to excite positive and negative ions.
Furthermore, the filter screen is composed of a coarse filter screen such as activated carbon or foam metal.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model relates to a nanometer ion generating device with filter screen, include: a nano-ion generator including at least one ion generating head, the ion generating head being composed of a plurality of corrosion-resistant conductors (such as carbon fibers, fullerenes, graphene fibers, etc.) which are easy to excite positive and negative ions, and being used for generating a large amount of nano-ions and ultraviolet light by discharging so as to charge or aggregate fine particles such as PM2.5 and the like into large particles, and activating a photocatalyst on the counter electrode plate to decompose formaldehyde and VOC, sterilize, disinfect, and the like; meanwhile, the opposite electrode plate is used for collecting charged particles roughly and eliminating the charges of the charged particles in time; the filter screen is composed of coarse filter screens such as activated carbon or foam metal and the like and is used for efficiently collecting charged particles; and the high-voltage power supply module is used for respectively providing corresponding power supplies for the nano ion generator and the opposite electrode plate. This nanometer ion generating device with filter screen not only can high-efficiently purify fine particles such as PM2.5, and the pollutant such as resolvable formaldehyde, VOC, bacterium, virus has characteristics such as no ozone, no consumptive material, wind resistance is little, the dust holding capacity is big, high-efficiently purifies and simple structure.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is also obvious for a person skilled in the art to obtain other drawings based on these drawings.
FIG. 1 is a schematic structural diagram of a nano-ion generating device with a filter screen according to a first embodiment;
FIG. 2 is a schematic structural diagram of a nano-ion generating device with a filter screen according to a second embodiment;
FIG. 3 is a schematic structural diagram of a nano-ion generating device with a filter screen according to a third embodiment;
FIG. 4 is a schematic structural diagram of a nano-ion generating device with a filter screen according to a fourth embodiment;
FIG. 5 is a schematic cross-sectional view of a single circular ring type of counter electrode plate;
FIG. 6 is a schematic cross-sectional view of a coaxial multiple ring counter electrode plate;
FIG. 7 is a schematic cross-sectional view of a porous opposed electrode plate;
fig. 8 is a schematic cross-sectional view of an ion generating head.
In the figure: 1-a shell; 2-an air outlet; 3, filtering by using a filter screen; 4-counter electrode plate; 41-electrode soot deposition plate; 42-a fixing member; 43-a photocatalyst coating; 5-an air flow channel; 6-nano ion generator; 61-ion generating head; 611-a discharge section; 612-insulating fixing part; 613-connecting line; 62-high voltage electrode plate; 7-an air inlet; 8-high voltage wire; 9-a high voltage power supply module; 10-electrically conductive wire.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The first embodiment is as follows:
referring to fig. 1, the present embodiment provides a nano-ion generating device with a filter screen, which includes the following main components: the device comprises a shell 1, a nano ion generator 6, an opposite electrode plate 4, a filter screen 3 and a high-voltage power supply module 9.
Further, the nano-ion generator 6 comprises at least one ion generating head 61 and a hollow porous high-voltage electrode plate 62, wherein the ion generating head 61 is fixedly arranged on the high-voltage electrode plate 62; the device also comprises a counter electrode plate 4 and a filter screen 3, wherein the counter electrode plate 4 and the filter screen 3 are arranged at the downstream of the nano ion generator 6 along the airflow direction.
Further, the ion generating head 61 is fixed in parallel to the high voltage electrode plate 62.
Further, the high-voltage electrode plate 62 and the opposite electrode plate 4 are electrically connected to the high-voltage power module 9.
Specifically, the high-voltage power supply module 9 is electrically connected with the nano-ion generator 6 through a high-voltage lead 8, and the high-voltage power supply module 9 is electrically connected with the counter electrode plate 4 through a conductive wire 10 to provide a corresponding power supply for the counter electrode plate.
Specifically, the nano-ion generator 6 is composed of at least one ion generating head 61 connected in parallel to increase the generation amount of nano-ions (negative ions or positive ions) and ultraviolet light, so that fine particles such as PM2.5 and the like are charged or aggregated into large particles, and a photocatalyst is activated to decompose formaldehyde and VOC, sterilize, disinfect and the like, and the nano-ion generator 6 is electrically connected with the high-voltage power supply module 9 through a hollow porous high-voltage electrode plate 62.
Referring to fig. 8, the ion generating head 61 further includes a discharging portion 611, an insulating fixing portion 612, and a connecting line 613. The discharge portion 611 is fixed to and electrically connected to a connection line 613 via an insulating fixing portion 612. The connecting wire 613 is electrically connected to the hollowed-out porous high-voltage electrode plate 62 by welding or the like. The insulating fixing portion 612 is made of an insulating material such as silicon gel or teflon, and is used for fixedly connecting the discharge portion 611 and the connection line 613, insulating one end of the discharge portion 611, and preventing dust from being deposited thereon.
Specifically, the discharge portion 611 of the ion generating head 61 is composed of a plurality of corrosion-resistant conductors that easily excite positive and negative ions, so as to increase the generation amount of nano-ions (negative ions or positive ions) and ultraviolet light and reduce the generation amount of ozone.
Specifically, the discharge portion 611 is composed of a plurality of carbon fibers, fullerenes, graphene fibers, and the like.
Further, the device also comprises a shell 1, wherein an airflow channel 5 is formed on the inner wall of the shell 1, the nano-ion generator 6, the counter electrode plate 4 and the filter screen 3 are respectively and fixedly arranged in the airflow channel 5, and the airflow channel 5 is respectively communicated with the air inlet 7 and the air outlet 2.
Specifically, the case 1 may be opened to facilitate the removal and installation of the nano-ion generator 6, the filter screen 3, and the opposite electrode plate 4.
Further, the nano-ion generator 6 is loaded with negative high voltage electricity or positive high voltage electricity; the counter electrode plate 4 is grounded or loaded with high voltage electricity opposite to the high voltage electricity loaded by the nano-ion generator 6.
Referring to fig. 5 or 6, the opposite electrode plate 4 is a circular conductor, and the outer periphery of the circular conductor is provided with an electrode soot deposition plate 41 and fixed to the housing 1 by a fixing member 42, or directly fastened to the housing 1.
Referring to fig. 7, the counter electrode plate 4 is preferably a hollow porous conductor.
Preferably, the counter electrode plate 4 is coated with a photocatalyst coating 43 such as titanium dioxide, and undergoes a photocatalytic reaction under the irradiation of ultraviolet light generated by the discharge of the ion generating head 61 to generate a large amount of active substances such as hydroxyl radicals, hydrogen peroxide, holes, and the like, so as to oxidize and decompose formaldehyde and VOCs, sterilize, disinfect, and the like. Meanwhile, the generated ultraviolet light also has good sterilization and disinfection effects.
Further, the filter 3 is made of a coarse filter made of activated carbon or foamed metal, and is disposed downstream of the nano-ion generator 6 and the counter electrode plate 4 in the air flow direction.
Specifically, a high voltage electric field is applied between the nano-ion generator 6 and the counter electrode plate 4, and due to the high voltage electric field, the filter screen 3 is polarized to efficiently collect charged particles.
Specifically, the counter electrode plate 4 and the high voltage electrode plate 62 are both in a grid-like design so that the air in the air flow channel 5 can flow therethrough.
Preferably, the high voltage electrode plate 62 may be in a porous design, a bar grid design, or the like, so as to facilitate airflow and reduce wind resistance.
Preferably, a low-resistance and coarse-effect filter screen is arranged at the air inlet 7 to filter out hair, large-particle dust and the like and protect the working stability of the nano-ion generator 6.
Preferably, a fan may be provided in the air flow passage 5 to increase the supply air pressure.
Example two:
referring to fig. 2, on the basis of the first embodiment, in the present embodiment, the opposite electrode plate 4 is embedded in the filter screen 3 to enhance polarization of the filter screen 3 and efficiently remove charges of charged particles, thereby maintaining the filtering efficiency continuously and stably.
Example three:
referring to fig. 3, on the basis of the first embodiment, in the present embodiment, the counter electrode plate 4 is disposed downstream of the filter screen 3 in the airflow direction.
Example four:
referring to fig. 4, on the basis of the first embodiment, in this embodiment, the filter screen 3 is made of a thick filter screen capable of conducting electricity, such as a foamed metal, and is electrically connected to the high voltage power module 9 directly through the conductive wire 10, and at this time, the filter screen 3 simultaneously functions as the opposite electrode plate 4, and the separate opposite electrode plate 4 is not provided.
Preferably, the discharge part 611 of the present invention is made of carbon fiber bundle (12K), the voltage loaded by the high voltage electrode is-5 KV (or +5KV), the opposite electrode plate 4 is coated with the photocatalyst material titanium dioxide, and the air volume in the air flow channel 5 is 15m3The filter screen 3 is an active carbon coarse filter screen or a foam metal coarse filter screen, and the ozone concentration in the experimental environment is 30 ppb.
Specific experimental data are shown in table 1:
specifically, the data in the comparison file in the background art are also shown in table 1.
TABLE 1 Experimental data sheet for different types of filter screen type nano ion generating devices
Note: one pass efficiency, i.e. removal rate (concentration at inlet-concentration at outlet)/concentration at inlet
From table 1, the following conclusions can be drawn:
(1) in the embodiments 1 to 4, under the same high voltage loading, the purification effect of the filter screen 3 using the activated carbon coarse filter screen is better than that of the foam metal.
(2) In the case of an ozone concentration of around 30ppb in the ambient atmosphere, the apparatus of examples 1 to 4 produces substantially no ozone, whereas the ozone concentration at the outlet of the apparatus of the reference is 19 times that of examples 1 to 4 and far exceeds the limit of the national standard; the single pass efficiency of PM2.5 was increased by 28.6% -47.6% and the single pass efficiency of formaldehyde by 164% -196% for the apparatus described in the comparative documents. The device described in the embodiments 1-4 not only can purify fine particulate matters such as PM2.5 with high efficiency, but also can effectively decompose pollutants such as formaldehyde, and basically does not generate ozone. The device of the comparison document generates a large amount of ozone, although the device has a certain purification effect on PM2.5, the device basically does not have an effect on pollution such as formaldehyde and the like, and has an extremely limited removal effect completely depending on the adsorption effect of the active carbon coarse filter screen.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like 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, and 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 therefore, should not be construed as limiting the present invention.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (10)
1. A nanometer ion generating device with filter screen, includes nanometer ion generator (6), its characterized in that: the nanometer ion generator (6) comprises at least one ion generating head (61) and a hollow porous high-voltage electrode plate (62), wherein the ion generating head (61) is fixedly arranged on the high-voltage electrode plate (62); the nano ion generator is characterized by further comprising a counter electrode plate (4) and a filter screen (3), wherein the counter electrode plate (4) and the filter screen (3) are arranged at the downstream of the nano ion generator (6) along the airflow direction.
2. The nano-ion generation device with the filter screen according to claim 1, wherein: the ion generating heads (61) are fixed on the high-voltage electrode plate (62) in parallel.
3. The nano-ion generation device with the filter screen according to claim 1, wherein: the high-voltage electrode plate (62) and the opposite electrode plate (4) are electrically connected with the high-voltage power supply module (9).
4. The nano-ion generation device with the filter screen according to claim 1, wherein: the counter electrode plate (4) is arranged upstream or downstream of the screen (3) or embedded in the screen (3).
5. The nano-ion generation device with the filter screen according to claim 4, wherein: still include casing (1), casing (1) inner wall forms airflow channel (5), nanometer ion generator (6), opposition electrode board (4) and filter screen (3) fixed respectively set up in airflow channel (5), just airflow channel (5) are linked together with air inlet (7) and air outlet (2) respectively.
6. The nano-ion generation device with the filter screen according to any one of claims 1 to 5, wherein: the nanometer ion generator (6) loads negative high voltage electricity or positive high voltage electricity; the opposite electrode plate (4) is grounded or loaded with high-voltage electricity opposite to the high-voltage electricity loaded by the nano ion generator (6).
7. The nano-ion generation device with the filter screen according to claim 6, wherein: the opposite electrode plate (4) is a circular or hollow porous conductor.
8. The nano-ion generation device with the filter screen according to claim 7, wherein: the opposite electrode plate (4) is coated with photocatalyst materials such as titanium dioxide.
9. The nano-ion generation device with the filter screen according to claim 1, wherein: the ion generating head (61) is composed of a plurality of corrosion-resistant conductors which are easy to excite positive ions and negative ions.
10. The nano-ion generation device with the filter screen according to claim 1, wherein: the filter screen (3) is composed of coarse filter screens such as activated carbon or foam metal.
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| CN201920926912.XU CN210089019U (en) | 2019-06-19 | 2019-06-19 | Nano ion generating device with filter screen |
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| CN201920926912.XU CN210089019U (en) | 2019-06-19 | 2019-06-19 | Nano ion generating device with filter screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442429A (en) * | 2020-04-01 | 2020-07-24 | 珠海格力电器股份有限公司 | Sterilization and disinfection module and air purifier |
| CN111467557A (en) * | 2020-04-16 | 2020-07-31 | 佛山市顺德区美的洗涤电器制造有限公司 | Sterilization and purification device and household appliance |
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2019
- 2019-06-19 CN CN201920926912.XU patent/CN210089019U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442429A (en) * | 2020-04-01 | 2020-07-24 | 珠海格力电器股份有限公司 | Sterilization and disinfection module and air purifier |
| CN111467557A (en) * | 2020-04-16 | 2020-07-31 | 佛山市顺德区美的洗涤电器制造有限公司 | Sterilization and purification device and household appliance |
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