CN111594955A - Air purification structure, wearable equipment and air purification device - Google Patents

Air purification structure, wearable equipment and air purification device Download PDF

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Publication number
CN111594955A
CN111594955A CN202010632394.8A CN202010632394A CN111594955A CN 111594955 A CN111594955 A CN 111594955A CN 202010632394 A CN202010632394 A CN 202010632394A CN 111594955 A CN111594955 A CN 111594955A
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air
purification
air purification
plasma generator
purification structure
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CN202010632394.8A
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Chinese (zh)
Inventor
刘奔
南志捷
解伟桐
邹艳艳
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/081Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/192Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/30Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation

Abstract

The embodiment of the invention provides an air purification structure, wearable equipment and an air purification device, wherein the air purification structure comprises a shell, a filtering membrane component and a plasma generator which are arranged in the shell, the plasma generator comprises a plurality of purification tubes and a plurality of installation parts which are arranged in a nested way, a gap is arranged between any two purification tubes, the outer side and the inner side of each purification tube are respectively provided with electrodes with opposite polarities, the electrodes are electrically connected with a power supply module, thus, the plasma generator is internally deformed into a plasma annular cavity, the ionization area and the ionization degree are increased, large particles in the air are favorably absorbed and removed at the position, toxic and harmful gases, organic chemicals and the like are oxidized and decomposed into harmless products, meanwhile, pathogenic microorganisms are killed under instantaneous high-voltage electric shock, and the air is secondarily purified by the filtering membrane component, so that the purification effect is greatly improved; in addition, the plasma generator and the filtering membrane component are arranged side by side, so that the occupied space is small, the structure is simple, and the portable arrangement is facilitated.

Description

Air purification structure, wearable equipment and air purification device
Technical Field
The invention relates to the technical field of air purification, in particular to an air purification structure, wearable equipment and an air purification device.
Background
The current common purification methods of air purification devices include HEPA (High efficiency particulate air filter) filter screen technology and anion technology. The HEPA filter screen technology has the efficiency of removing particles with the diameter of more than 0.3 micron reaching 99.97 percent, but the HEPA filter screen is expensive and has limited service life, and meanwhile, particles and pathogenic microorganisms in the air are easy to accumulate on the surface of the HEPA filter screen, so that a potential pollution source is formed. The small negative ion technology releases a large amount of charged ions to the surrounding space, so that particles in the air are charged, accumulated and settled, and the effect of purifying the air is achieved. However, the purification ability of the anion technology depends on the power of the ionizer, the anion technology is used in an open space, the effect is very weak, and the settled particles are very easy to be disturbed and floated, which causes secondary pollution to the space.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an air purification structure, wearable equipment and an air purification device.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an air purification structure, including casing, filtering membrane subassembly and plasma generator, the casing has air inlet and the gas outlet of mutual intercommunication, plasma generator install in the casing and be close to the one end of air inlet, the vertical cartridge of filtering membrane subassembly in the gas outlet one end of casing, filtering membrane subassembly respectively plasma generator communicates each other, plasma generator includes a plurality of purge tubes that nested formula set up and locates the purge tube both ends just are used for the location installation respectively a plurality of installed parts of purge tube, arbitrary two for the clearance setting between the purge tube, each the outside and the inboard of purge tube are equipped with opposite electrode respectively, electrode and power module electric connection.
Optionally, each of the electrodes is spirally arranged along a height direction of the purge tube.
Optionally, a sawtooth structure is respectively arranged at one side and two end edges of any negative electrode of the electrodes, which are away from the purification tube.
Optionally, the filtering membrane module comprises a plurality of capillary ultrafiltration membranes arranged side by side in a bundle along the axial direction of the housing.
Optionally, the air purification structure further includes an electric screen layer, the electric screen layer surrounds the inner side that is arranged at the port of the purification tube near one end of the filtering membrane module.
Optionally, the air purification structure further includes an air supply assembly installed at the air inlet of the housing, and the air supply assembly is electrically connected to the power module.
Optionally, a port of the air inlet of the housing and a port of the air outlet of the housing are respectively filled with an activated carbon fiber filter layer.
Optionally, the air purification structure is still including locating in the casing and the cross section is the guide gas cover of loudspeaker form, the main aspects of guide gas cover with plasma generator links to each other, the tip of guide gas cover with filtering component connects.
The embodiment of the invention also provides wearable equipment comprising the air purification structure.
The embodiment of the invention also provides an air purification device which comprises the air purification structure.
The invention has the beneficial effects that: compared with the prior art, the air purification structure is provided with the plasma generator and the filtering membrane component, wherein the plasma generator comprises a plurality of purification pipes which are arranged in a nested manner, a gap is formed between any two purification pipes, and the outer side and the inner side of each purification pipe are respectively provided with the electrodes with opposite polarities, so that a plasma annular cavity is formed between the adjacent negative electrode and the positive electrode, ambient air is firstly introduced into the plasma generator, large particles in the air are adsorbed and removed at the position, toxic harmful gases, organic chemicals and the like are oxidized and decomposed into harmless products, pathogenic microorganisms are killed under instantaneous high-voltage electric shock, then the air enters the ultrafiltration membrane, and the harmful substances such as particles with the particle size larger than the micropores of the ultrafiltration membrane are effectively blocked, so that secondary purification is realized, the purification effect is good, and the purification efficiency is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic view of an internal structure of an air purification structure according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structural view of an air purification structure according to an embodiment of the present invention;
FIG. 3 is a cross-sectional structural view taken along line D-D in FIG. 2;
fig. 4 is a sectional structural view taken along line E-E in fig. 2.
Wherein, in the drawings, the reference numerals are mainly as follows:
100-an air purification structure;
1-a shell;
2-a filtration membrane module; 21-capillary ultrafiltration membrane;
3-a plasma generator; 31-a purge tube;
4-mounting a plate;
5-an activated carbon fiber filter layer;
6-electric screen layer.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, an air purification structure according to an embodiment of the present invention will now be described. The air purification structure 100 comprises a housing 1, a filter membrane assembly 2 and a plasma generator 3. The shell 1 is provided with an air inlet and an air outlet which are communicated with each other, the plasma generator 3 is arranged in the shell 1, the plasma generator 3 is close to one end of the air inlet, and the filtering membrane component 2 is vertically arranged at one end of the air outlet of the shell 1. The plasma generator 3 can decompose or kill organic particles, gas pollutants, pathogenic microorganisms and the like, thereby achieving the effect of purifying air. One end of the shell 1 close to the air outlet is inserted with a filtering membrane component 2, the filtering membrane component 2 is communicated with the plasma generator 3, and it can be understood that the plasma generator 3 and the filtering membrane component 2 are sequentially arranged along the direction of the air duct. The plasma generator 32 and the filtering membrane component 3 are arranged side by side, so that multiple air purification is realized, and the air purification efficiency is improved.
The plasma generator 3 comprises a plurality of purge tubes 31 and a plurality of mounting members (not shown) which are arranged in a nested manner, and a gap is arranged between any two purge tubes 31. Wherein, the installed part adopts insulating material to make and forms, and the installed part is two here, and two installed parts set up at the purge tube 31 both ends, and its installed part that is used for the installation of location each purge tube 31 is favorable to the purge tube 31 clearance to be fixed. The outside and the inside of each purification tube 31 are respectively provided with electrodes with opposite polarities, and the electrodes are electrically connected with a power supply module (not shown). For example, a positive electrode is disposed on the inner side of each purification tube 31, and a negative electrode is disposed on the outer side of the electrostatic tube, that is, the positive electrode and the negative electrode are alternately arranged on two sides of the purification tube 31 in sequence as viewed along the radial direction of the purification tube 31, so that an annular cavity is formed between any adjacent purification tubes 31, after the plasma generator 3 is powered on, an electric field is generated in the annular cavity formed between the cathode and the anode, a large amount of plasma is generated on the surface, and the gas is purified by the plasma on the surface of the purification tubes 21 when flowing along the gaps of each layer of purification tubes 21. In addition, in practical application, the voltage values applied to the cathode and the anode can be controlled according to the pollution degree of the purified air, and plasmas with different densities can be obtained.
Compared with the prior art, the air purification structure 100 of the invention adopts the nested arrangement of the plurality of purification tubes 31, the adjacent two purification tubes 31 are arranged in a clearance way, and the two sides of each purification tube 31 are provided with electrodes with opposite polarities, thus, the plasma generator 3 forms a plurality of ionization cavities arranged in a ring shape, the ionization degree is increased, more plasmas are generated, the air purification contact area is increased, the plasmas bombard pollutant molecules in the air, the pollutant molecules are ionized, dissociated and excited or toxic and harmful gases and organic chemicals are oxidized and decomposed into harmless products, the pollutant molecules are degraded into safe substance molecules with simple substance molecular structure and low harm to human body, and active ion derivatives are generated at the same time: for example, the reactive ion derivative is a commercially available electron and/or radical and/or ozone ion. Accordingly, the purified air enters the filtering membrane component 2, and harmful substances such as particles with the particle size larger than the micropores (such as 0.01 micron) of the membrane are effectively blocked, so that secondary purification is realized, the purification effect is good, and the air purification structure 100 can not only filter harmful particles in the air, but also kill harmful microorganisms and prevent secondary pollution. In addition, the plasma generator 3 and the filtering membrane component 2 are arranged side by side, the structure is simple, the air purifier can be widely applied to air purifiers in small and medium-sized spaces, and the air purifier can also be used for portable or wearable portable air purification devices.
Specifically, referring to fig. 1 and fig. 2, each electrode is spirally disposed along the height direction of the purification tube 31, and the gap between the electrodes is 0.5mm-1.6mm, so as to facilitate the installation of the electrodes and ensure the ionization effect at each position of the purification tube 31; on the other hand, dust or particles are not easy to adhere to the electrode, and the dust or particles adhered to the electrode automatically fall into the electrode after the electrode is powered off without affecting the next air purification effect. The air purification efficiency is inversely related to the thickness of the electrode, so that the thinner the electrode, the higher the purification rate is, but the processing difficulty and the cost of the metal material with the thickness of less than 0.05 mm are extremely high, so that the metal electrode material with the lower thickness is recommended to be selected under the conditions of production cost and allowable processing technology, and the electrode with the thickness of 0.5 mm-0.7 mm is selected on the basis of the metal electrode material.
Furthermore, a saw-toothed structure is respectively arranged on one side and two end edges of any negative electrode in the electrode, which is far away from the purifying tube 31, so that a point discharge effect is formed, ionization of particles in the air is enhanced, and the particles are subjected to electric field force action in a uniform electric field between the positive electrode and the negative electrode after ionization and charging, and are further adsorbed onto the purifying tube 31. The sawtooth structure can enhance the adsorption of particles and further improve the purification effect.
Further, the filtering membrane component 2 comprises a plurality of capillary type ultrafiltration membranes 21 which are bundled and arranged side by side along the axial direction of the shell 1, so that harmful substances such as particles with the particle size larger than the micropores (such as 0.01 micron) of the ultrafiltration membranes in the air are effectively blocked, secondary purification is realized, and the purification effect is good. Here, the filtration membrane design of bundling greatly increases filter area, is showing and is promoting filtration efficiency, is favorable to the miniaturized setting of this air purification structure 100. Here, the capillary ultrafiltration membrane 21 is a sheet-like ultrafiltration membrane that is convoluted into a tubular elongated structure. Preferably, the tube diameter of the capillary type ultrafiltration membrane 21 can be as small as 2 mm, which does not affect the air flow rate and also facilitates the bundling of more capillary type ultrafiltration membranes 21.
Further, referring to fig. 2, each ultrafiltration membrane is provided with a plurality of filtering holes (not shown) along the axial direction thereof. Wherein the pore diameter of the ultrafiltration membrane is between 0.001 and 0.1 micron, and can effectively cut off particles and even tiny viruses in media such as water, air and the like. The pipe diameter of the capillary ultrafiltration membrane 21 can be as thin as 2 mm without affecting the air flow rate. The system takes the capillary ultrafiltration membrane 21 as a filter element, adopts a parallel cluster design, obviously enlarges the total area of the filtration membrane without increasing the product volume, and improves the air filtration efficiency. The pore diameter of the micropores on the surface of the ultrafiltration membrane is small, so that the ultrafiltration membrane is easily blocked by particles in the air after long-term use. In order to solve the problem, the filtered gas in the device flows into the inner side from the outer side of the capillary tube, and the filtered particulate matters can be enriched in the space outside the capillary tube. This is also a great advantage of this design due to the greater volume of the space outside the tube of capillary ultrafiltration membrane 21 and the ease of cleaning up the collected dust. Although the capillary type ultrafiltration membranes 21 can be closely arranged to form a high density bundle to maximize the use of space for enhancing air purification efficiency. In consideration of the dust collection problem, the gap between any two adjacent capillary type ultrafiltration membranes 21 is 0.45mm to 0.65 mm.
Further, the air purification structure 100 further includes an air guide hood (not shown) with a flared cross section. The gas guide hood is arranged in the shell 1, the large end of the gas guide hood is connected with the plasma generator 3, and the small end of the gas guide hood is connected with the filtering membrane component 2. Here, the air guide hood plays a role of guiding air so that all the gas flowing through the plasma generator 3 stably flows into the filtering membrane module 2, thereby improving the purification rate of air.
Specifically, referring to fig. 1 and 3, the housing 1 is further provided with a mounting plate 4 between the filtering membrane module 2 and the air outlet, the mounting plate 4 is provided with mounting holes (not shown) corresponding to the positions of the capillary-type ultrafiltration membranes 21, and the corresponding ends of the capillary-type ultrafiltration membranes 21 are inserted into the corresponding mounting holes. Here, the installation plate 4 is provided so that the filter membrane module 2 is fixedly installed in the housing 1. The mounting plate 4 and the housing 1 are fixedly connected by means of fastening, welding, transition fit, and the like, which is not limited herein.
Specifically, referring to fig. 1 and 3, the air purification structure 100 further includes an air supply assembly (not shown) installed at the air inlet of the housing 1. The air supply assembly is arranged at the air inlet of the shell 1, so that the air flow rate is increased, the air purification efficiency of the plasma generator 3 and the filtering membrane assembly 2 is improved, and the air purification speed is increased. The air supply assembly may be an air pump, an air blower, or other mechanisms, which are not limited herein.
Further, referring to fig. 1 to 3, as an embodiment of the air purification structure of the present invention, an activated carbon fiber filter layer 5 is further filled at the port of the air inlet of the housing 1. The activated carbon fiber is used as a high-efficiency adsorption material, and the adsorption performance of the activated carbon fiber is greatly improved compared with that of the second-generation activated carbon. The active carbon fiber has a small fiber diameter (about 7 micrometers) and a large contact area with an adsorbed substance, thereby increasing the adsorption efficiency. The external surface area is large, the adsorption and desorption rate is high, the adsorption capacity is large, and compared with the activated carbon, the adsorption capacity can be improved by 10 times to the maximum. In addition, the active carbon fiber has small leakage loss, small filtration resistance, thin adsorption layer and small bulk density, and is easy to manufacture light and miniaturized production equipment.
Further, the port of the air outlet of the housing 1 is filled with an activated carbon fiber filter layer 5, so that the purified air passes through the activated carbon fiber material again, and high-voltage electric field by-products such as ozone possibly carried in the air can be removed. The thoroughly purified air is discharged through the air outlet for human body suction.
Further, referring to fig. 1 to 4, as another embodiment of the air purification structure of the present invention, a filter assembly is disposed at an air inlet of the housing 1 to realize coarse filtration of air, so as to effectively prevent coarse particles in the air from entering the plasma generator 3. Through being equipped with filter assembly at the air inlet department of casing 1, improved the air purification rate on the one hand, on the other hand has reduced the abluent frequency of plasma generator 3.
Specifically, the filter assembly comprises a ring-shaped outer frame (not shown) and a filter screen which is wrapped in the outer frame and is in interference fit with the inner wall of the outer frame, and the filter assembly is simple in structure, low in manufacturing cost and convenient to replace and clean. Here, the filter net preferably includes a plurality of wire nets, and the plurality of wire nets are arranged in a stacked manner in an axial direction of the outer frame.
Further, the air purification structure still includes electric screen layer 6, and electric screen layer 6 encircles the inboard that sets up in purifying tube 31 near filtration membrane module 2 port department. Here, by providing the electric shield layer 6, the electric shield layer 6 is mainly used for absorbing plasma and shielding a high voltage electric field, when the plasma generator 3 is operated, a high voltage of tens of kilovolts is generated, and meanwhile, if the generated plasma directly acts on a human body or other protected objects, the generated plasma may be damaged. Therefore, it is necessary to install an electric shielding device at the end of the plasma generator 3 for neutralizing the plasma while absorbing high-voltage static electricity.
Specifically, the working process of the air purification structure 100 is as follows: the environmental air is firstly introduced into the plasma generator 3 after being primarily purified by the activated carbon fiber filter layer 5, large particles in the air are absorbed and removed at the position, toxic and harmful gases, organic chemicals and the like are oxidized and decomposed into harmless products, and meanwhile, pathogenic microorganisms are killed under instantaneous high-voltage electric shock. Then the air enters the filtering membrane component 22, harmful substances such as particles with the particle size larger than the micropores (such as 0.01 micron) of the ultrafiltration membrane are effectively blocked, the purified air passes through the activated carbon fiber layer 5 again, and high-voltage electric field by-products such as ozone possibly carried in the air can be removed. The thoroughly purified air is discharged through the air outlet for human body suction. By using the plasma generator 3 and the capillary ultrafiltration membrane 21 as a core purification device and using the activated carbon fiber material as an auxiliary purification device, the air is filtered for multiple times, and the purification rate of the air is greatly improved.
Under the same environment, the relationship among the electrode thickness, the plasma generator output voltage and the purification rate TVOCs was tested, as shown in Table 1
Figure BDA0002569541340000091
Figure BDA0002569541340000101
TABLE 1
Note: TVOCs are the synthesis of all indoor organic substances obtained by sampling and analyzing, and mainly comprise gaseous pollutants such as toluene, benzene, butyl acetate, styrene and the like.
It can be seen that the higher the voltage between the electrodes, the thinner the electrode, the better the purification effect on TVOCs, and the purification capability on TVOCs can reach 84.1% under the condition of 0.10 mm electrode material matching with 18kV voltage. When the thickness of the electrode material is further reduced to 0.05 mm, the purification efficiency can be further improved to more than 90%. However, price jump of high-voltage components with peak voltage higher than 18kV in the current market is obvious, and the processing difficulty and cost of metal materials with thickness lower than 0.05 mm are extremely high, so that under the conditions of production cost and allowable processing technology, the selection of metal electrode materials with lower thickness is recommended, and the voltage difference of the high-voltage components is increased as much as possible to improve the purification effect. Meanwhile, the increase of the electrode spacing can reduce the voltage intensity of the reaction electric field, thereby causing the reduction of the plasma concentration and influencing the purification efficiency. For reference, the distance between any two adjacent purge pipes 31 in the experiment was 5 mm. On the other hand, as the treatment frequency increases, the discharge power of the plasma generator 3 also increases, thereby increasing the density of high-energy particles and increasing the germ-killing rate. However, as the operating frequency increases, the loss of the components also increases, which affects the service life. For reference, a high-frequency high-voltage ac power supply having a power supply frequency of 40kHZ was used in the experiment.
The embodiment of the invention also provides a wearable device, which comprises the air purification structure 100. Through be equipped with foretell air purification structure 100 on wearing formula equipment, can realize carrying out a lot of to getting into the air in the wearing formula equipment and purify, purifying effect is good, and remaining organic particulate matter, gaseous pollutant and pathogenic microorganism etc. can be decomposed or kill and can purify by plasma in the plasma generator. It should be noted that the current generated by the plasma generator 3 is very small, the duration is very short, and the wearable device is provided with an insulation protection, so that the wearable device does not have a potential safety hazard in use.
For example, the wearable device is a smart mask or smart mask. The air purification structure 100 is disposed on the smart mask body or inside the smart mask body. Here, this air purification structure 100 is as the filter core structure of wearing formula equipment, and it can purify the air that gets into intelligent face guard or intelligent mask on the one hand, and the particle in the isolation air gets into user's mouth nose through breathing, and on the other hand is favorable to the shape and the size that manufacturer's design changed this wearing formula equipment because characteristics such as air purification structure 100 has simple structure, small to it is high to realize that the user wears the travelling comfort.
Further, an embodiment of the present invention further provides an air purification apparatus, such as a portable air purifier, a household air filter, and the like, which includes the air purification structure 100 described above. Through be equipped with foretell air purification structure 100 on air purification device, can realize carrying out a lot of to the air that gets into in the air purification device and purify, purifying effect is good, and remaining organic particulate matter, gaseous pollutant and pathogenic microorganism etc. can be decomposed or kill and can purify by plasma generator plasma in, prevent secondary pollution.
The invention is not to be considered as limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (10)

1. The air purification structure is characterized by comprising a shell, a filtering membrane assembly and a plasma generator, wherein the shell is provided with an air inlet and an air outlet which are communicated with each other, the plasma generator is arranged in the shell and close to one end of the air inlet, the filtering membrane assembly is vertically inserted into one end of the air outlet of the shell, the filtering membrane assembly is communicated with the plasma generator, the plasma generator comprises a plurality of purifying tubes which are arranged in a nested manner and a plurality of mounting pieces which are arranged at two ends of each purifying tube and used for positioning and mounting the purifying tubes, and any two purifying tubes are arranged in a clearance manner, the outer sides and the inner sides of the purifying tubes are respectively provided with electrodes with opposite polarities, and the electrodes are electrically connected with a power supply module.
2. The air purification structure of claim 1, wherein each of the electrodes is spirally arranged along a height direction of the purification tube.
3. The air purification structure of claim 2, wherein a sawtooth structure is respectively arranged at one side and two end edges of any one of the negative electrodes, which are far away from the purification pipe.
4. The air purification structure according to claim 1, wherein the filtration membrane module includes a plurality of capillary type ultrafiltration membranes arranged side by side in a bundle along an axial direction of the housing.
5. The air purification structure as claimed in claim 1, further comprising an electrical shielding layer disposed around the inside of the purification tube near the end port of the filtration membrane module.
6. The air purification structure as claimed in claim 1, further comprising an air supply assembly mounted at the air inlet of the housing, the air supply assembly being electrically connected to the power module.
7. The air purification structure according to any one of claims 1 to 6, wherein a port of the air inlet of the housing and a port of the air outlet are filled with activated carbon fiber filter layers, respectively.
8. The air purification structure as claimed in any one of claims 1 to 6, further comprising a gas guide hood having a horn-shaped cross section and disposed in the housing, wherein a large end of the gas guide hood is connected to the plasma generator, and a small end of the gas guide hood is connected to the filtration membrane module.
9. A wearable device comprising an air purification structure as claimed in any of claims 1-8.
10. An air cleaning device characterized by comprising the air cleaning structure according to any one of claims 1 to 8.
CN202010632394.8A 2020-07-03 2020-07-03 Air purification structure, wearable equipment and air purification device Pending CN111594955A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112696777A (en) * 2020-12-31 2021-04-23 重庆中电大宇卫星应用技术研究所 Plasma air purifier
CN115950038A (en) * 2023-01-03 2023-04-11 广东美的暖通设备有限公司 Air purification device, air conditioner and control method and control device of air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112696777A (en) * 2020-12-31 2021-04-23 重庆中电大宇卫星应用技术研究所 Plasma air purifier
CN115950038A (en) * 2023-01-03 2023-04-11 广东美的暖通设备有限公司 Air purification device, air conditioner and control method and control device of air conditioner

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