CN219375583U - Plasma sterilizing device - Google Patents
Plasma sterilizing device Download PDFInfo
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- CN219375583U CN219375583U CN202222680024.9U CN202222680024U CN219375583U CN 219375583 U CN219375583 U CN 219375583U CN 202222680024 U CN202222680024 U CN 202222680024U CN 219375583 U CN219375583 U CN 219375583U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model relates to the field of air sterilization, in particular to a plasma sterilization device, which comprises an air duct main body, an air inlet component and a sterilization component; the sterilizing component comprises a conductive tube, an insulating medium tube, an excitation rod, an energy supply and a magnetic control coil; the excitation rod comprises a rod bone main body and a plurality of excitation electrodes, wherein the excitation electrodes extend from the rod bone main body to the conductive tube and are not contacted with the conductive tube; the energy supply source supplies power to the excitation rod, so that plasma is formed in an air flow field between the excitation rod and the conductive pipe; and the energy supply source supplies power to the magnetic control coil, so that the magnetic control coil forms a magnetic field in the conductive tube cavity, and the magnetic field is opposite to the air flow field. The high voltage between the conductive tube and the excitation rod is utilized to promote the airflow passing through the discharge area to be plasma, so that the sterilization efficiency is high, the sterilization effect is thorough, the limitation of bacterial drug resistance is avoided, and the environment is protected.
Description
Technical Field
The utility model relates to the field of air sterilization, in particular to a plasma sterilization device.
Background
The plasma is the fourth state where the substance exists in addition to solid, liquid, and gas. When the temperature of the gaseous substance is raised to a certain value, the gaseous molecules are ionized due to severe mutual collision, so that positive ions and electrons with almost the same number of molecules are generated. The plasma is thus an overall charge-neutral mixture (highly ionized gas) consisting of a large number of positive ions, electrons and neutral particles, and is thus referred to as a plasma.
Air is the most gas that human body contacts, and because air is ubiquitous in life, various germs, microorganisms are easily carried, and inhalation of such air can affect human body health. In addition, sterilization and disinfection of air are more important in places requiring sterility such as food, pharmaceutical manufacturing factories, hospitals, and the like. In ordinary life, clean air has important significance in various aspects of human body health, life quality, disease prevention and the like.
The conventional sterilizing devices in the market at present comprise an ultraviolet sterilization device, an ozone generation device, a spray sterilization disinfectant device and the like, however, the methods have defects, such as the sterilization disinfectant can be subjected to the test of drug resistance in sterilization, and the long-term use effect is poor; the ultraviolet sterilization can only realize the purification of air in an ultraviolet illumination area, and the sterilization and disinfection time is longer; the ozone generating device has the risk of secondary pollution, and particularly under indoor conditions, the accumulation of ozone can cause air pollution and even threaten the physical health of people.
Therefore, how to provide a sterilization technology which has thorough sterilization effect, high sterilization speed, no limitation of bacterial drug resistance, green environmental protection and no secondary pollution is a problem to be solved in the prior art.
Disclosure of Invention
The utility model aims to provide a plasma sterilizing device, which solves the problems of the prior art that the air sterilizing device has more limiting conditions and poor sterilizing effect in the use process.
In order to solve the technical problems, the utility model provides a plasma sterilizing device, which comprises an air duct main body, an air inlet component and a sterilizing component;
the air inlet component is arranged at the head part of the air channel main body, and external air is pumped into the air channel main body by the air inlet component and enters the killing component from the tail part of the air channel main body;
the sterilizing component comprises a conductive tube, an insulating medium tube, an excitation rod, an energy supply and a magnetic control coil;
the conductive tube is sleeved outside the excitation rod;
the excitation rod comprises a rod bone main body and a plurality of excitation electrodes, wherein the excitation electrodes extend from the rod bone main body to the conductive tube and are not contacted with the conductive tube;
the insulating medium tube is sleeved on the outer side of the conductive tube, and the magnetic control coil is wound on the outer surface of the insulating medium tube;
the energy supply source supplies power to the excitation rod, so that plasma is formed in an air flow field between the excitation rod and the conductive pipe; and the energy supply source supplies power to the magnetic control coil, so that the magnetic control coil forms a magnetic field in the conductive tube cavity, and the magnetic field is opposite to the air flow field.
Optionally, in the plasma sterilizing device, the plasma sterilizing device comprises a coaxial fixing piece;
the coaxial fixing piece is used for fixing the excitation rod on the central axis of the conductive tube.
Optionally, in the plasma sterilizing device, the plasma sterilizing device comprises a clamping groove fixing piece;
the clamping groove fixing piece and the conductive tube form a clamping groove, and the insulating medium tube is arranged in the clamping groove and is attached to the conductive tube;
the clamping groove fixing piece is fixedly connected with the coaxial fixing piece through a fixing bolt.
Optionally, in the plasma sterilizing device, the air duct main body further comprises an active carbon filter layer;
the outside air enters the disinfection component through the activated carbon filter layer.
Optionally, in the plasma sterilizing device, the air duct main body further comprises a water vapor introducing component;
the water vapor introduction assembly is used for introducing water vapor into the air duct main body.
Optionally, in the plasma sterilizing device, the air duct main body further comprises a desiccant layer;
the desiccant bed is disposed downwind of the water vapor introduction assembly.
Optionally, in the plasma sterilizing device, the excitation electrode is a circular plate electrode;
the rod bone body passes through the center of the circular plate electrode.
Optionally, in the plasma sterilizing device, the tail part of the air duct main body comprises a plurality of branches;
the air outlet of each branch is provided with a corresponding killing component.
Optionally, in the plasma sterilizing device, the energy supply source is a pulse power source.
Optionally, in the plasma sterilizing device, the plasma sterilizing device further comprises an adsorption component;
the gas sent out by the air flow field of the sterilizing component enters the use environment through the adsorption component;
the adsorption component is used for adsorbing ozone and nitrogen dioxide in the gas sent out by the air flow field.
The plasma sterilizing device provided by the utility model comprises an air duct main body, an air inlet component and a sterilizing component; the air inlet component is arranged at the head part of the air channel main body, and external air is pumped into the air channel main body by the air inlet component and enters the killing component from the tail part of the air channel main body; the sterilizing component comprises a conductive tube, an insulating medium tube, an excitation rod, an energy supply and a magnetic control coil; the conductive tube is sleeved outside the excitation rod; the excitation rod comprises a rod bone main body and a plurality of excitation electrodes, wherein the excitation electrodes extend from the rod bone main body to the conductive tube and are not contacted with the conductive tube; the insulating medium tube is sleeved on the outer side of the conductive tube, and the magnetic control coil is wound on the outer surface of the insulating medium tube; the energy supply source supplies power to the excitation rod, so that plasma is formed in an air flow field between the excitation rod and the conductive pipe; and the energy supply source supplies power to the magnetic control coil, so that the magnetic control coil forms a magnetic field in the conductive tube cavity, and the magnetic field is opposite to the air flow field.
The plasma sterilizing device disclosed by the utility model utilizes high voltage between the conductive tube and the excitation rod to promote the air flow passing through a discharge area to completely participate in discharge to form plasma, and the structures of viruses, bacteria and other substances in the air generate irreversible damage under the action of high-energy particles or particle clusters of the plasma to achieve a sterilizing effect.
Drawings
For a clearer description of embodiments of the utility model or of the prior art, the drawings that are used in the description of the embodiments or of the prior art will be briefly described, it being apparent that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a plasma abatement device according to one embodiment of the present utility model;
FIG. 2 is a schematic diagram of a physical field of an embodiment of a plasma abatement device according to the present utility model;
fig. 3 and fig. 4 are schematic diagrams of plasma distribution before and after activating the magnetic control coil according to a specific embodiment of the plasma sterilizing device provided by the present utility model;
FIG. 5 is a schematic view of a structure of a plasma abatement device according to an embodiment of the present utility model;
FIG. 6 is a schematic structural view of a specific embodiment of a plasma abatement device according to the present utility model;
fig. 7 and 8 are schematic structural diagrams of an excitation electrode of a plasma sterilizing apparatus according to an embodiment of the present utility model.
Detailed Description
In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The core of the utility model is to provide a plasma sterilizing device, a structural schematic diagram of one specific embodiment of which is shown in fig. 1, which is called as a specific embodiment one, and comprises an air duct main body 20, an air inlet assembly 10 and a sterilizing assembly;
the air inlet assembly 10 is arranged at the head of the air channel main body 20, and external air is pumped into the air channel main body 20 by the air inlet assembly 10 and enters the killing assembly from the tail of the air channel main body 20;
the sterilizing component comprises a conductive tube 31, an insulating medium tube 32, an excitation rod, an energy supply 34 and a magnetic control coil 35;
the conductive tube 31 is sleeved outside the excitation rod;
the excitation rod comprises a rod bone body 33A and a plurality of excitation electrodes 33B, wherein the excitation electrodes 33B extend from the rod bone body 33A to the conductive tube 31 and are not contacted with the conductive tube 31;
the insulating medium tube 32 is sleeved on the outer side of the conductive tube 31, and the magnetic control coil 35 is wound on the outer surface of the insulating medium tube 32;
the energy supply source 34 supplies power to the excitation rod, so that plasma is formed in an air flow field between the excitation rod and the conductive pipe 31; and the power supply 34 supplies power to the magnetic control coil 35, so that the magnetic control coil 35 forms a magnetic field in the cavity of the conductive tube 31, which is opposite to the air flow field.
The utility model first requires the whole device to be assembled before discharging. When discharging, gas is continuously introduced into the device to keep ventilation, and meanwhile, in order to ensure the normal operation of the disinfection assembly, besides the excitation rod and one end of the magnetic control coil 35 are connected with the energy supply source 34, the other ends of the conductive tube 31 and the magnetic control coil 35 are required to be grounded, and the conductive tube 31 can be grounded through a wiring hole 37 on the insulating medium tube 32. In addition, the conductive tube 31 is preferably a cathode for studying the killing effect of different electrode shapes and different polarities.
Preferably, different components in the device are spliced, so that the device is convenient to clean and replace and low in cost.
The conductive tube 31 and/or the insulating medium tube 32 may be a cylindrical tube or a rectangular tube, and may be selected according to practical requirements.
As a preferred embodiment, the plasma abatement device includes a coaxial fixture 36;
the coaxial fixing member 36 fixes the excitation rod on the central axis of the conductive pipe 31. The coaxial fixing piece 36 is used to fix the excitation rod on the central axis of the conductive tube 31, so that the distance from the excitation rod to the peripheral side wall of the conductive tube 31 is as uniform as possible, which is beneficial to the uniform distribution of the plasma in the conductive tube 31 and improves the disinfection effect.
The power supply 34 may be connected to the excitation rod through a high-voltage wire 38, as shown in fig. 1, and the coaxial fixing member 36 is provided with a wire hole 37, and the high-voltage wire 38 penetrates into the cavity of the conductive tube 31 through the wire hole 37.
The coaxial fixing member 36 may include a fixing base fixedly connected to a side wall of the conductive tube 31, and a fixing arm 36A extending into the conductive tube 31, where the fixing arm 36A is disposed on the excitation rod fixing member 36B at a position of an axis of the conductive tube 31, and the excitation rod is fixed on the excitation rod fixing member 36B. The excitation rod fixing member 36B may be a temperature-resistant metal material fixing member such as an aluminum alloy fixing member or a copper alloy fixing member, or a temperature-resistant insulating material fixing member. The coaxial fixing member 36 may be a resin material fixing member or other insulating material fixing members resistant to high voltage, so as to ensure the stability of discharge.
The air intake assembly 10 may be a fan or blower, or a suitable air intake device may be selected according to actual needs, and the present utility model is not limited herein.
The main body 33A of the rod bone may be a tungsten rod, and the excitation electrode 33B may be a tungsten electrode, a stainless steel electrode or other conductive electrodes, and of course, other high temperature resistant conductive materials may be selected according to practical situations, and the high temperature resistance is due to the high temperature of the plasma, so that the discharge electrode is ensured not to deform in the continuous discharge process, and the discharge stability is ensured.
Preferably, the conductive tube 31 is a stainless steel tube; the stainless steel can be used for a long time without worrying about rust problem, has long service life and is high-temperature resistant.
The insulating medium tube 32 may be a high borosilicate glass tube, a quartz glass tube, or other insulating material tube with high temperature resistance, so as to ensure the stability of discharge.
Still further, the plasma abatement device includes a clamping slot fixture 39;
the clamping groove fixing piece 39 and the conductive tube 31 form a clamping groove, and the insulating medium tube 32 is arranged in the clamping groove and is attached to the conductive tube 31;
the clamping groove fixing piece 39 is fixedly connected with the coaxial fixing piece 36 through a fixing bolt.
Referring to fig. 1, in the preferred embodiment, the clamping groove fixing member 39 is used to fix the insulating medium tube 32 on the surface of the conductive tube 31, so that the space occupation of the device is greatly reduced while the fixing effect is ensured, the relative displacement between the conductive tube 31 and the insulating medium tube 32 is avoided, the integration degree of the device is improved, and meanwhile, the clamping groove fixing member 39 is fixed on the coaxial fixing member 36 through the fixing bolt, so that the coaxial arrangement of the magnetic control coil 35 and the conductive tube 31 is ensured, that is, the distribution of the magnetic field excited by the magnetic control coil 35 in the conductive tube 31 is centered on the axis of the conductive tube 31, the distribution uniformity of the plasma in the cavity of the conductive tube 31 is further ensured, the insufficient coverage of the plasma in partial area is avoided, and the killing effect is improved.
Fig. 3 is a schematic diagram of the distribution of the plasma in the section of the conductive tube 31 before the magnetic field is applied to the magnetron coil 35, and fig. 4 is a schematic diagram of the distribution of the plasma in the section of the conductive tube 31 after the magnetic field is applied to the magnetron coil 35.
The clamping groove fixing member 39 may be a heat-resistant metal conductive material fixing member such as an aluminum alloy fixing member or a copper alloy fixing member.
In addition, the air duct main body 20 also comprises an active carbon filter layer 21;
the outside air enters the sterilizing module through the activated carbon filter layer 21. The activated carbon filter layer 21 may be installed in the upwind of the air intake assembly 10 or in the downwind of the air intake assembly 10, preferably in the downwind of the air intake assembly 10. The activated carbon filter layer 21 is arranged to remove small solid particles and other impurities in the air before the sterilizing component, so that the purity of the finally filtered air is improved, and a better air purifying effect is achieved.
As a preferred embodiment, the power supply 34 is a pulsed power supply. Of course, the pulse power source may use a dc power source or an ac power source, and the pulse power source intermittently generates plasma inside the conductive tube 31, so that the high level of the plasma can be achieved only in a short time due to a good sterilizing effect of the plasma, and by-products such as ozone or nitrogen dioxide in the ionization process can be increased after the long-time power-on is maintained, so that the environmental pollution can be reduced while the sterilizing effect is further ensured by adopting the pulse power source.
Still further, an adsorption assembly 40;
the gas sent out by the air flow field of the sterilizing component enters the use environment through the adsorption component 40;
the adsorption component 40 is used for adsorbing ozone and nitrogen dioxide in the gas sent out by the air flow field.
The adsorption component 40 can be arranged at the rear end of the disinfection component in fig. 1, and after the adsorption component 40 is additionally arranged, a small amount of ozone and nitrogen dioxide generated by the disinfection component in the ionization process are removed completely, so that the harm to the body of a user is greatly reduced, the pollution to the surrounding environment is reduced, and the environmental friendliness is improved. Of course, in addition to the adsorption module 40, a catalyst layer 50 for decomposing the nitrogen dioxide and ozone may be provided as shown in fig. 1.
As a preferred embodiment, the tail of the air duct main body 20 includes a plurality of branches;
the air outlet of each branch is provided with a corresponding killing component. In the preferred embodiment, multiple branches and multiple sterilizing components can form an array, as shown in fig. 5, so that multiple components can be simultaneously discharged for sterilizing, and the air purifying rate is improved.
The plasma sterilizing device provided by the utility model comprises an air duct main body 20, an air inlet assembly 10 and a sterilizing assembly; the air inlet assembly 10 is arranged at the head of the air channel main body 20, and external air is pumped into the air channel main body 20 by the air inlet assembly 10 and enters the killing assembly from the tail of the air channel main body 20; the sterilizing component comprises a conductive tube 31, an insulating medium tube 32, an excitation rod, an energy supply 34 and a magnetic control coil 35; the conductive tube 31 is sleeved outside the excitation rod; the excitation rod comprises a rod bone body 33A and a plurality of excitation electrodes 33B, wherein the excitation electrodes 33B extend from the rod bone body 33A to the conductive tube 31 and are not contacted with the conductive tube 31; the insulating medium tube 32 is sleeved on the outer side of the conductive tube 31, and the magnetic control coil 35 is wound on the outer surface of the insulating medium tube 32; the energy supply source 34 supplies power to the excitation rod, so that plasma is formed in an air flow field between the excitation rod and the conductive pipe 31; and the power supply 34 supplies power to the magnetic control coil 35, so that the magnetic control coil 35 forms a magnetic field in the cavity of the conductive tube 31, which is opposite to the air flow field.
The plasma sterilizing device in the utility model utilizes the high voltage between the conductive tube 31 and the excitation rod to promote the air flow passing through the discharge area to completely participate in discharge to form plasma, viruses, bacteria and other substances in the air are irreversibly destroyed under the action of high-energy particles or particle clusters of the plasma, so as to achieve the sterilizing effect, and the magnetic control coil 35 is additionally arranged on the basis, the magnetic control coil 35 generates a magnetic field with the opposite direction to the air flow field in the cavity of the conductive tube 31, so that the plasma is restrained in a certain area inside the conductive tube 31, and the momentum opposite to the air flow field is endowed to the high-energy particles or particle clusters inside the plasma, so that the sterilizing efficiency is effectively improved (as shown in fig. 2, and fig. 2 is a schematic diagram of various physical fields in the utility model).
Based on the first embodiment, the air before entering the sterilizing component is further pretreated to obtain a second embodiment, and the structure schematic diagram of the second embodiment is shown in fig. 6, and the second embodiment comprises an air duct main body 20, an air inlet component 10 and a sterilizing component;
the air inlet assembly 10 is arranged at the head of the air channel main body 20, and external air is pumped into the air channel main body 20 by the air inlet assembly 10 and enters the killing assembly from the tail of the air channel main body 20;
the sterilizing component comprises a conductive tube 31, an insulating medium tube 32, an excitation rod, an energy supply 34 and a magnetic control coil 35;
the conductive tube 31 is sleeved outside the excitation rod;
the excitation rod comprises a rod bone body 33A and a plurality of excitation electrodes 33B, wherein the excitation electrodes 33B extend from the rod bone body 33A to the conductive tube 31 and are not contacted with the conductive tube 31;
the insulating medium tube 32 is sleeved on the outer side of the conductive tube 31, and the magnetic control coil 35 is wound on the outer surface of the insulating medium tube 32;
the energy supply source 34 supplies power to the excitation rod, so that plasma is formed in an air flow field between the excitation rod and the conductive pipe 31; the energy supply source 34 supplies power to the magnetic control coil 35, so that the magnetic control coil 35 forms a magnetic field with the opposite direction to the air flow field in the cavity of the conductive tube 31;
the air duct main body 20 also comprises a water vapor introducing component 22;
the steam introducing assembly 22 is used for introducing steam into the air duct main body 20.
The difference between the present embodiment and the above embodiment lies in that, in the present embodiment, steam is introduced into the air to be killed in advance, and the other structures are the same as those of the above embodiment, so that the details are not repeated here.
In this embodiment, steam is introduced into the air to be introduced into the sterilizing component, so as to increase the humidity of the air, make the ionization process in the sterilizing component more sufficient, reduce the obstruction in the ionization process, and obtain better sterilizing effect.
Still further, the duct body 20 includes a desiccant layer 23 therein;
the desiccant bed 23 is disposed downwind of the water vapor introduction assembly 22. That is, in this embodiment, water is added to the air first, and then the water is removed through the desiccant layer 23, which is advantageous to the ionization, but too heavy moisture will also cause a significant decrease in the service life of the device components, so that after the water vapor is introduced, the desiccant layer 23 is added to absorb the excessive moisture, so that the humidity of the air introduced into the disinfection component is maintained within a reasonable range, thereby not only improving the ionization effect, but also not affecting the service life of the device.
On the basis of the second embodiment, the excitation electrode 33B entering the killing component is further limited, so as to obtain a third embodiment, and the partial structure schematic diagram of the third embodiment is shown in fig. 7 and 8, and the third embodiment comprises an air duct main body 20, an air inlet component 10 and a killing component;
the air inlet assembly 10 is arranged at the head of the air channel main body 20, and external air is pumped into the air channel main body 20 by the air inlet assembly 10 and enters the killing assembly from the tail of the air channel main body 20;
the sterilizing component comprises a conductive tube 31, an insulating medium tube 32, an excitation rod, an energy supply 34 and a magnetic control coil 35;
the conductive tube 31 is sleeved outside the excitation rod;
the excitation rod comprises a rod bone body 33A and a plurality of excitation electrodes 33B, wherein the excitation electrodes 33B extend from the rod bone body 33A to the conductive tube 31 and are not contacted with the conductive tube 31;
the insulating medium tube 32 is sleeved on the outer side of the conductive tube 31, and the magnetic control coil 35 is wound on the outer surface of the insulating medium tube 32;
the energy supply source 34 supplies power to the excitation rod, so that plasma is formed in an air flow field between the excitation rod and the conductive pipe 31; the energy supply source 34 supplies power to the magnetic control coil 35, so that the magnetic control coil 35 forms a magnetic field with the opposite direction to the air flow field in the cavity of the conductive tube 31;
the air duct main body 20 also comprises a water vapor introducing component 22;
the steam introducing assembly 22 is used for introducing steam into the air duct main body 20;
the excitation electrode 33B is a circular plate electrode;
the rod bone body 33A passes through the center of the circular plate electrode.
The present embodiment is different from the above embodiment in that the shape of the excitation electrode 33B is defined in the present embodiment, and the other structures are the same as those of the above embodiment, and will not be described in detail herein.
In this embodiment, the excitation electrode 33B is defined as a circular plate electrode, which makes the excitation electrode 33B have the same distance from the side wall of the conductive tube 31 in all directions, so as to facilitate uniform distribution of plasma in the conductive tube 31, and preferably, the circular plate electrode is perpendicular to the rod bone body 33A. Of course, the excitation electrode 33B may have a gear-like or burr-like structure, and may be selected according to the actual requirements. Preferably, the excitation electrode 33B is a stainless steel electrode.
Preferably, the edge of the circular plate electrode includes a plurality of equally spaced thorn-like protrusions. Referring to fig. 7 and 8, the two drawings are schematic views of the shapes of the two excitation electrodes 33B. The present embodiment can further improve ionization effect, so that the plasma can more fully fill the space between the excitation electrode 33B and the conductive tube 31, and thus the sterilization effect is improved.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, so that the same or similar parts between the embodiments are referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
It should be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The plasma sterilizing device provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. The plasma sterilizing device is characterized by comprising an air duct main body, an air inlet component and a sterilizing component;
the air inlet component is arranged at the head part of the air channel main body, and external air is pumped into the air channel main body by the air inlet component and enters the killing component from the tail part of the air channel main body;
the sterilizing component comprises a conductive tube, an insulating medium tube, an excitation rod, an energy supply and a magnetic control coil;
the conductive tube is sleeved outside the excitation rod;
the excitation rod comprises a rod bone main body and a plurality of excitation electrodes, wherein the excitation electrodes extend from the rod bone main body to the conductive tube and are not contacted with the conductive tube;
the insulating medium tube is sleeved on the outer side of the conductive tube, and the magnetic control coil is wound on the outer surface of the insulating medium tube;
the energy supply source supplies power to the excitation rod, so that plasma is formed in an air flow field between the excitation rod and the conductive pipe; and the energy supply source supplies power to the magnetic control coil, so that the magnetic control coil forms a magnetic field in the conductive tube cavity, and the magnetic field is opposite to the air flow field.
2. The plasma abatement apparatus of claim 1, wherein the plasma abatement apparatus comprises a coaxial fixture;
the coaxial fixing piece is used for fixing the excitation rod on the central axis of the conductive tube.
3. The plasma abatement apparatus of claim 2, wherein the plasma abatement apparatus comprises a card slot fixture;
the clamping groove fixing piece and the conductive tube form a clamping groove, and the insulating medium tube is arranged in the clamping groove and is attached to the conductive tube;
the clamping groove fixing piece is fixedly connected with the coaxial fixing piece through a fixing bolt.
4. The plasma sterilizing device of claim 1 wherein the air duct body further comprises an activated carbon filter layer therein;
the outside air enters the disinfection component through the activated carbon filter layer.
5. The plasma sterilizing device of claim 1 wherein the air duct body further includes a water vapor introduction assembly therein;
the water vapor introduction assembly is used for introducing water vapor into the air duct main body.
6. The plasma sterilizing device of claim 5 wherein the tunnel body further includes a desiccant layer therein;
the desiccant bed is disposed downwind of the water vapor introduction assembly.
7. The plasma sterilizing device according to claim 1, wherein the excitation electrode is a circular plate-like electrode;
the rod bone body passes through the center of the circular plate electrode.
8. The plasma sterilizing device of claim 1 wherein the tail of the tunnel body includes a plurality of branches;
the air outlet of each branch is provided with a corresponding killing component.
9. The plasma sterilizing device of claim 1 wherein said energizing power source is a pulsed power source.
10. The plasma sterilizing device according to any one of claims 1 to 9, further comprising an adsorption assembly;
the gas sent out by the air flow field of the sterilizing component enters the use environment through the adsorption component;
the adsorption component is used for adsorbing ozone and nitrogen dioxide in the gas sent out by the air flow field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222680024.9U CN219375583U (en) | 2022-10-10 | 2022-10-10 | Plasma sterilizing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222680024.9U CN219375583U (en) | 2022-10-10 | 2022-10-10 | Plasma sterilizing device |
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| CN219375583U true CN219375583U (en) | 2023-07-21 |
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| CN202222680024.9U Active CN219375583U (en) | 2022-10-10 | 2022-10-10 | Plasma sterilizing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102622086B1 (en) * | 2023-08-03 | 2024-01-05 | 주식회사 앤알씨 | Apparatus and method for removing harmful environmental substances using plasma applied with tokamak technology |
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2022
- 2022-10-10 CN CN202222680024.9U patent/CN219375583U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102622086B1 (en) * | 2023-08-03 | 2024-01-05 | 주식회사 앤알씨 | Apparatus and method for removing harmful environmental substances using plasma applied with tokamak technology |
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