CN217004789U - A portable plasma device that disappears for air supply system - Google Patents

Abstract

The utility model relates to a local environment air pollution prevention and control technology, in particular to a portable plasma sterilization and killing device for an air supply system, which consists of a plasma tube, a mesh electrode coated on the outer side of the plasma tube, an ion base and a control unit, wherein the mesh electrode is arranged on the outer side of the plasma tube; the plasma tube and the mesh electrode jointly form an ion generator, and are connected and reinforced through a PVC sealing ring; the main body of the plasma tube is a hollow cylinder, the top end of the plasma tube is a spherical sealing closed structure, and electrodes are arranged in the plasma tube and form an electric field anode and a cathode of the ion generator with a mesh electrode coated on the outer side of the plasma tube; the ion generator is connected with the ion base through a screw, the ion base is provided with a conductive column, the conductive column is provided with a metal shifting sheet, and the metal shifting sheet is electrically connected with the mesh electrode. The utility model adopts a modular design, can flexibly increase and decrease the equipment quantity of the ion generator and adjust the area size of the ion base so as to adapt to installation spaces with different processing air volumes and different sizes.

Description

A portable plasma device that disappears for air supply system

Technical Field

The utility model relates to a local environment air quality improvement and pollution prevention technology, in particular to a portable plasma sterilization device for an air supply system.

Background

According to the design specification of air conditioning systems in hospitals, a medium-efficiency filter is required to be arranged at an air return inlet of an air conditioning system of a common room, a high-efficiency filter is required to be arranged at an air outlet of a sickroom containing pollutants such as harmful microorganisms and harmful aerosol, a high-efficiency filter is required to be arranged at an air outlet of a heating outpatient room, and a high-efficiency or sub-high-efficiency filter is arranged at an air supply end of a clean room. The traditional air filtering link generally adopts an active carbon or electrostatic air filter, the former generally has the problems of short service life, frequent replacement of a carbon plate to ensure the filtering efficiency and the like, the latter has a good removing effect on removing particles in the air but is difficult to play a significant role in toxic gas molecules, and the installation and the arrangement of the two structures need to change the structure of an air supply pipe on a large scale.

With the development of purification technology, a large number of air purification methods applying technologies such as ultraviolet rays, photocatalyst, photo-hydrogen ions, plasma, plant medicine, ozone and the like are emerging. However, according to the design specifications of the air conditioning system in the hospital, no special requirements are required, no ultraviolet lamp and other disinfection equipment are required to be installed in the air system unit in the hospital, a water spraying type air treatment device is not required, and an air pipe type humidifier is not suitable to be adopted. In recent years, air purification facilities such as ultraviolet rays or photocatalysts which generate ozone are prohibited from being used in industrial, public and civil fields by environmental protection departments.

Disclosure of Invention

In order to overcome the defects of the prior art, the portable plasma sterilizing device for the air supply system is simple in structure, and can improve the treatment capacity of the air purification unit on pathogenic microorganisms, toxic air molecules and particulate matters under the premise of reducing the large-range change of the air supply pipe in the air conditioning system of the hospital which is designed in advance as far as possible, solve the problem of frequent replacement of consumables, prolong the service life of equipment, and meet the air purification requirements under the conditions of epidemic situation prevention and control and the like under different environmental conditions.

In order to achieve the aim, the utility model discloses a portable plasma killing device for an air supply system, which consists of a plasma tube, a mesh electrode coated outside the plasma tube, an ion base and a control unit; the plasma tube and the mesh electrode jointly form an ion generator, and are connected and reinforced through a PVC sealing ring; the main body of the plasma tube is a cylinder with a hollow interior, the top end of the plasma tube is of a spherical sealing closed structure, and electrodes are arranged in the plasma tube and form an electric field anode and a field cathode of the ion generator together with a reticular electrode coated on the outer side of the plasma tube; the ion generator is connected with the ion base through a screw, the ion base is provided with a conductive column, the conductive column is provided with a metal shifting sheet, and the metal shifting sheet is electrically connected with the mesh electrode.

Further, the control unit comprises a power interface, an adjusting knob and a control indicator lamp.

Further, the ion base is fixed on a fixed base surface in an installation environment through screws.

Furthermore, the plasma tube main body is made of quartz.

Furthermore, an ion generator hole is formed in the fixed base surface, the ion generator integrally penetrates through the ion generator hole, one end of the ion generator is installed on the ion base, and the other end of the ion generator is located in the fixed base surface and contacts with the gas to be treated.

Furthermore, a viscose sealing material is laid on one side surface of the ion base facing the fixed base surface.

The utility model has the beneficial effects that: a portable plasma killing device for an air supply system adopts a modular design, and can flexibly increase and decrease the equipment quantity of an ion generator and adjust the area size of an ion base so as to adapt to installation spaces with different processing air volumes and different sizes; by using a 220V50hz power supply and adopting a bipolar shielding technology, an inner measuring electrode and an outer mesh electrode of the plasma tube which are isolated by a quartz tube form electric field line distribution in a very tiny annular space, so that oxygen molecules in the air are converted into various ion clusters. When pathogenic microorganisms and toxic pollutant gas molecules in incoming flow gas pass, ion clusters and high-energy electrons released by the ion generator can generate a series of oxidation reactions and physicochemical reactions with the ion clusters and the high-energy electrons, so that biological macromolecules and gas molecular structures of pathogenic bacteria are damaged; the plasma tube equipment has small integral volume and light dead weight, and the number of the plasma tubes and the size of the base can be flexibly adjusted according to the actual processing air quantity and the size of the field space; the equipment is connected with the wall of the blast pipe through the base, equipment installation can be carried out only by forming the pipe hole of the ion generator and the screw fixing hole in the pipe wall, integral cutting of the pipe section is not needed, large and heavy box-type purifying equipment is not added, the refitting difficulty is reduced to the maximum extent, and the deployment speed is accelerated.

Drawings

For ease of illustration, the present invention is described in detail by the following preferred embodiments and the accompanying drawings.

FIG. 1 is a schematic view of a portable plasma sterilizer apparatus for an air supply system according to the present invention;

fig. 2 is a schematic view of the internal structure of the portable plasma sterilizer installed on a fixed base surface.

FIG. 3 is a schematic view of an ionizer of the portable plasma sterilizer for an air supply system according to the present invention;

in the figure: the plasma tube 1, the reticular electrode 2, the ion base 3, the control unit 4, the ion generator 5, the PVC sealing ring 6, the electrode 11, the screw socket 51, the conductive column 31, the metal plectrum 32, the power interface 41, the adjusting knob 42, the control indicator lamp 43, the screw 33, the fixed base surface 7 and the ion generator hole 71.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

The portable plasma sterilizer for an air supply system according to the present invention will be further described with reference to the accompanying drawings:

as shown in fig. 1-3, the portable plasma killing device for an air supply system is composed of a plasma tube 1, a mesh electrode 2 coated outside the plasma tube 1, an ion base 3 and a control unit 4, wherein the control unit 4 comprises a power interface 41, an adjusting knob 42 and a control indicator lamp 43, and is located outside and connected with a power supply and convenient to adjust and maintain; the plasma tube 1 and the mesh electrode 2 jointly form an ion generator 5, and are connected and reinforced through a PVC sealing ring 6; the plasma tube 1 is made of quartz, the main body of the plasma tube 1 is a cylinder with a hollow interior, the top end of the plasma tube is of a spherical sealing closed structure, an electrode 11 is arranged in the plasma tube 1, and the plasma tube 1 and a mesh electrode 2 coated on the outer side of the plasma tube 1 form an electric field positive electrode and a negative electrode of an ion generator 5; the ion generator 5 is connected with the ion base 3 through a screw 51, the ion base 3 is provided with a conductive column 31, the conductive column 31 is provided with a metal shifting sheet 32, the metal shifting sheet 32 is electrically connected with the mesh electrode 2, and the mesh electrode on the outer side of the plasma tube is connected with an internal circuit through the conductive column on the ion base via the metal shifting sheet.

The whole ion base that relies on of equipment, fix through screw fixed orifices and the fixed base face in the installation environment through screw or viscose etc., ion generator wholly passes ion generator hole and is located the fixed base face in survey and pending gaseous contact, at the fixed base face of installation environment (like the opening of direct division adaptation on the pipeline wall), ion base 3 passes through screw 33 and fixes on the fixed base face 7 in the installation environment, be equipped with ion generator hole 71 on the fixed base face 7, ion generator 5 wholly passes ion generator hole 71, one end is installed on ion base 3, one end is located the fixed base face 7 survey and pending gaseous contact, for the laminating of assurance ion base that can be better and fixed base face, and there is good leakproofness, ion base 3 has laid the viscose sealing material towards fixed base face 7 side.

The internal plasma generator utilizes a 220V50hz power supply, adopts a bipolar shielding technology, and forms electric field line distribution in a tiny annular space by an inner measuring electrode and an outer reticular electrode of the super-energy plasma tube isolated by a quartz tube, so that oxygen molecules in the air are converted into various ion clusters. When pathogenic microorganisms and toxic polluted gas molecules in incoming flow gas pass, ion clusters and high-energy electrons released by the ion generator can generate a series of oxidation reactions and physicochemical reactions with the ion clusters and the high-energy electrons, so that biological macromolecules and gas molecular structures of pathogenic bacteria are damaged, and the method has the following characteristics:

1. the additional installation and modification are smaller: the plasma tube equipment used in the utility model has small integral volume and light dead weight, and the number of the plasma tubes and the size of the base can be flexibly adjusted according to the actual processing air quantity and the size of the field space. The equipment is connected with the wall (a fixed base surface) of the blast pipe through the ion base, equipment can be installed only by forming the hole of the ion generator pipe and the screw fixing hole on the pipe wall, the pipe section does not need to be integrally cut, no huge and heavy box type purifying equipment is added, the refitting difficulty is reduced to the maximum extent, and the deployment speed is increased.

2. Compared with competitive products, the method is better: the materials of general plasma equipment are uneven, the design and the working are not standard, and the quality cannot be guaranteed, so that the problems of insufficient ion energy, insufficient release amount, low sterilization efficiency and the like occur; the low-temperature plasma equipment essentially adopts an electrostatic dust removal technology, is generally used for removing large-diameter particles, and is difficult to effectively remove harmful substances at the molecular level in air; the photo-hydrogen photo-oxygen photo-electric plasma device is practically the same as an ultraviolet device, and emits ultraviolet rays invisible to naked eyes and ozone which can cause damage to surrounding people and articles. The super-energy plasma equipment used by the utility model does not release high-voltage ionizing radiation, does not emit light (including ultraviolet light) or generate ozone, and can realize purification anywhere and coexistence of man and machine. The negative ions generated in the working process of the plasma tube not only can purify air, but also can promote the repair of pulmonary alveoli and lung functions, effectively improve the activity of cerebral cortex, eliminate fatigue, improve sleep and delight mood.

3. The processing capacity is stronger: the super-energy plasma adopts a bipolar shielding technology, so that oxygen molecules can be separated into ecological atomic oxygen, pure ionic oxygen, hydroxyl free radicals, singlet oxygen, ions with positive and negative charges, ion oxygen clusters and the like under the environmental conditions of normal temperature and normal pressure, and various oxidation reactions occur; under the action of an electric field of the ion tube, electrons of plasma with energy are subjected to inelastic collision with other molecules at the speed of 300 to 3000 ten thousand times per second, and a series of complex physicochemical reactions such as ionization, cracking or excitation are initiated. The substances and reaction activities can change the molecular structure of toxic and smelly air molecules and the structure of pathogenic microorganism biomembranes, thereby achieving the purposes of purification and disinfection.

4. The service life of the device is longer: compared with the traditional purification means, the active carbon equipment needs frequent replacement of the carbon plate, the static equipment needs regular cleaning of accumulated dust to ensure the purification efficiency of the equipment, the plasma tube used by the utility model has the advantages of simple structure, no material loss, no need of special maintenance, longer service life and capability of treating the air of the blast pipe for 8-10 years.

5. The application conditions are wider: the plasma tube has strong waterproof performance, can be used in an environment at the temperature of-20-50 ℃, can effectively meet the air environment quality requirement under any climate condition, and has enough adaptability to hospitals and disease control places all over the country.

The foregoing summary and structure are provided to explain the principles, general features, and advantages of the product and to enable others skilled in the art to understand the utility model. The foregoing examples and description have been presented to illustrate the principles of the utility model and are intended to provide various changes and modifications within the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A portable plasma sterilizing and killing device for an air supply system is characterized by comprising a plasma tube, a mesh electrode coated on the outer side of the plasma tube, an ion base and a control unit; the plasma tube and the mesh electrode jointly form an ion generator, and are connected and reinforced through a PVC sealing ring; the main body of the plasma tube is a cylinder with a hollow interior, the top end of the plasma tube is of a spherical sealing closed structure, and electrodes are arranged in the plasma tube and form an electric field anode and a field cathode of the ion generator together with a reticular electrode coated on the outer side of the plasma tube; the ion generator is connected with the ion base through a screw, the ion base is provided with a conductive column, the conductive column is provided with a metal shifting sheet, and the metal shifting sheet is electrically connected with the mesh electrode.

2. The portable plasma abatement device for air supply systems of claim 1, wherein: the control unit comprises a power interface, an adjusting knob and a control indicator lamp.

3. The portable plasma abatement device for air supply systems of claim 1, wherein: the ion base is fixed on a fixed base plane in an installation environment through screws.

4. The portable plasma abatement device for air supply systems of claim 1, wherein: the plasma tube main body is made of quartz.

5. A portable plasma-abatement device for air supply systems according to claim 3, wherein: the ion generator is characterized in that an ion generator hole is formed in the fixed base surface, the ion generator integrally penetrates through the ion generator hole, one end of the ion generator is installed on the ion base, and the other end of the ion generator is located in the fixed base surface and contacts with the gas to be treated.

6. The portable plasma abatement device for air supply systems of claim 5, wherein: and a viscose sealing material is laid on one side surface of the ion base facing the fixed base surface.

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