阅读说明：本技术 一种高压脉冲电场过滤杀菌消毒装置及其杀菌消毒方法 (High-voltage pulse electric field filtering sterilization device and sterilization method thereof ) 是由 陈瑞 吴天文 于 2020-06-05 设计创作，主要内容包括：本发明涉及一种高压脉冲电场过滤杀菌消毒装置及其杀菌消毒方法；包括外壳和脉冲杀菌消毒机构,外壳两端设置有进气口和出气口,脉冲杀菌消毒机构设置有第一高压脉冲电场和第二高压脉冲电场所组成的双电场杀菌消毒通道,第一高压脉冲电场和第二高压脉冲电场之间设置有过滤网,脉冲杀菌消毒机构和出气口之间设置有过滤装置；本发明的有益效果体现为：通过在电场中安装过滤网,由过滤网对空气中的病毒细菌进行拦截,延长病毒细菌停留在电场中的时间,同时采用多个高压脉冲电场对病毒细菌进行反复消灭,最后空气经过过滤装置净化,有效加强杀菌消毒力度和提高空气质量,其结构简单,降低生产成本和占用的空间,便于拆装更换过滤网,实用性强。(The invention relates to a high-voltage pulse electric field filtering sterilization device and a sterilization method thereof; the pulse sterilization and disinfection device comprises a shell and a pulse sterilization and disinfection mechanism, wherein an air inlet and an air outlet are arranged at two ends of the shell, the pulse sterilization and disinfection mechanism is provided with a double-electric-field sterilization and disinfection channel consisting of a first high-voltage pulse electric field and a second high-voltage pulse electric field, a filter screen is arranged between the first high-voltage pulse electric field and the second high-voltage pulse electric field, and a filter device is arranged between the pulse sterilization and disinfection mechanism and the air outlet; the beneficial effects of the invention are as follows: through installing the filter screen in the electric field, by the viral bacterium interception in the filter screen to the air, the time that extension viral bacterium stops in the electric field adopts a plurality of high-voltage pulse electric fields to eliminate viral bacterium repeatedly simultaneously, and last air purifies through filter equipment, effectively strengthens the disinfection dynamics of disinfecting and improves the air quality, its simple structure, reduction in production cost and the space that occupies, the filter screen is changed in the dismouting of being convenient for, and the practicality is strong.)

1. The utility model provides a high-voltage pulse electric field filtration sterilization degassing unit which characterized in that: including the shell with install in pulse sterilization mechanism in the shell, the shell both ends are provided with air inlet and gas outlet respectively, pulse sterilization mechanism is provided with by being located the first high-voltage pulse electric field of air inlet department with be located the two electric fields of second high-voltage pulse electric field constitution of gas outlet department passageway of disinfecting, be provided with the filter screen that the extension was disinfected the time between first high-voltage pulse electric field and the second high-voltage pulse electric field, pulse sterilization mechanism with be provided with filter equipment between the gas outlet.

2. The high-voltage pulse electric field filtering, sterilizing and disinfecting device according to claim 1, wherein: the pulse sterilization mechanism comprises a lower electrode, a first middle electrode, a second middle electrode and an upper electrode which are sequentially arranged in the shell along the direction from the air inlet to the air outlet, the first middle electrode and the second middle electrode are respectively and electrically connected to the positive pole of a high-voltage pulse power supply, the lower electrode and the upper electrode are respectively and electrically connected to the negative pole of the high-voltage pulse power supply, the filter screen is arranged between the first middle electrode and the second middle electrode, and the filter device is arranged above the upper electrode.

3. The high-voltage pulse electric field filtering, sterilizing and disinfecting device according to claim 2, wherein: the first high-voltage pulse electric field is formed by the mutual cooperation of the lower electrode and the first middle electrode, and the second high-voltage pulse electric field is formed by the mutual cooperation of the second middle electrode and the upper electrode.

4. The high-voltage pulse electric field filtering, sterilizing and disinfecting device according to claim 2, wherein: the filter screen comprises an outer shell, wherein the outer shell is internally provided with an inner shell, the inner shell comprises an lower shell and an upper shell, the lower shell and the upper shell are mutually connected through a hinge, so that the upper shell can be opened or closed in a flip manner relative to the lower shell, a first middle electrode is fixedly arranged in the lower shell, a second middle electrode is fixedly arranged in the upper shell, a lower supporting plate and an upper supporting plate are respectively arranged on the first middle electrode and the second middle electrode, and the lower supporting plate and the upper supporting plate are respectively positioned on two sides of the filter screen and correspondingly clamped in the lower shell and the upper shell respectively.

5. The high-voltage pulse electric field filtering, sterilizing and disinfecting device according to claim 4, wherein: the first middle electrode is composed of a plurality of first polar plates which are arranged in a certain parallel distance and an array mode, the second middle electrode is composed of a plurality of second polar plates which are arranged in a certain parallel distance and an array mode, the first polar plates and the second polar plates are distributed in a staggered mode, the first polar plates and the second polar plates are clamped on the two sides of the filter screen respectively, and the filter screen is clamped in the middle of the lower shell and the upper shell.

6. The high-voltage pulse electric field filtering, sterilizing and disinfecting device according to claim 4, wherein: first well electrode is provided with down the current conducting plate, and the electrode is provided with the current conducting plate in the second, go up the current conducting plate with the current conducting plate all is located down the epitheca with inferior valve hinged joint's one side, first well electrode passes through current conducting plate down with high-voltage pulse power electrical property switches on, the electrode passes through in the second the current conducting plate with high-voltage pulse power electrical property switches on.

7. The high-voltage pulse electric field filtering, sterilizing and disinfecting device according to claim 5, wherein: the first polar plates are respectively arranged on a first positioning plate with a comb-tooth-shaped clamping groove, the first positioning plate is clamped in the upper shell and the first positioning groove matched with the upper shell, the second polar plates are respectively arranged on a second positioning plate with a comb-tooth-shaped clamping groove, and the second positioning plate is clamped in the second positioning groove matched with the lower shell.

8. The high-voltage pulse electric field filtering, sterilizing and disinfecting device according to claim 5, wherein: the first polar plate and the second polar plate are correspondingly and sequentially arranged in the lower shell and the upper shell.

9. A sterilization method of a high-voltage pulse electric field filtering sterilization device is characterized in that: the method comprises the following steps:

(1) starting a high-voltage pulse power supply, and simultaneously inputting air into the shell through an air inlet 3 on the shell 1 to enable the air to enter a first high-voltage pulse electric field for primary sterilization and disinfection;

(2) after the first sterilization and disinfection, the air flows onto the filter screen 5, is intercepted by the filter screen 5, and the virus and bacteria in the air are adsorbed by the filter screen 5, so that the retention time of the virus and bacteria in the first high-voltage pulse electric field is prolonged, the electric field can repeatedly act and kill the virus and bacteria, and the sterilization and disinfection effects of the first high-voltage pulse electric field are improved;

(3) the air after sterilization enters the second high-voltage pulse electric field through the filter screen 5, and the electric field carries out secondary sterilization and disinfection on the air, so that the sterilization and disinfection effect is further ensured;

(4) the clean gas after the disinfection of disinfecting through second high-voltage pulse electric field purifies through filter equipment, releases to indoor from gas outlet 4, further improves air quality.

Technical Field

The invention relates to a sterilization and disinfection device, in particular to a high-voltage pulse electric field filtration sterilization and disinfection device and a sterilization and disinfection method thereof, which can prolong the retention time of virus and bacteria in an electric field and improve the sterilization and disinfection capability.

Background

With the increasing awareness of environmental protection, people are paying more attention to the air quality under various environments, especially in the period of high incidence of infectious diseases, the existence of viruses and bacteria easily causes the risk of infection to people, therefore, people need various means to sterilize the air, at present, the air sterilizer mainly uses UV lamps, ozone and ultraviolet rays to sterilize the air, however, the sterilization effect of the methods is poor, the germs cannot be killed efficiently, and the use environment is limited, in order to solve the above defects, the market has appeared the device for sterilizing by adopting high-voltage pulse, which acts on the microbial cells through the external electric field, the electric field increases the potential difference inside and outside the membrane, the extrusion of the membrane is caused because the different charges accumulated on the two surfaces of the membrane attract each other, when the electric field strength is increased to the critical value, the permeability of the membrane is increased sharply, many small holes appear on the belly, which reduces the strength of the membrane, and the applied electric field is a pulse electric field, and the voltage fluctuates sharply in a very short time, which generates an oscillation effect on the membrane. The combined action in the increase in hole and oscillation effect makes the cell take place to collapse, makes the microorganism inactivation, but install the filter screen around the electric field usually in most present products that rely on high-tension electric field pulse disinfection, fail the effective utilization electric field, not only bactericidal effect does not improve, increases cost and extravagant space moreover, and the maintenance and the dismouting filter screen in later stage are loaded down with trivial details simultaneously, waste time and energy, are not convenient for use, and the practicality is relatively poor.

Disclosure of Invention

In order to solve the above problems, the present invention aims to provide a sterilization and disinfection apparatus, and in particular to a high-voltage pulse electric field filtration sterilization and disinfection apparatus and a sterilization and disinfection method thereof, which can prolong the retention time of virus and bacteria in an electric field and improve the sterilization capability.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a high-voltage pulse electric field filters degassing unit that disinfects, include the shell with install in pulse in the shell disinfects the mechanism, the shell both ends are provided with air inlet and gas outlet respectively, pulse disinfects the mechanism and is provided with by being located the first high-voltage pulse electric field of air inlet department with be located the two electric fields of second high-voltage pulse electric field constitution of gas outlet department disinfect the passageway, be provided with the filter screen that the extension time of disinfecting between first high-voltage pulse electric field and the second high-voltage pulse electric field, pulse disinfect the mechanism with be provided with filter equipment between the gas outlet.

Preferably, the pulse sterilization mechanism comprises a lower electrode, a first middle electrode, a second middle electrode and an upper electrode which are sequentially arranged in the shell along the direction from the air inlet to the air outlet, the first middle electrode and the second middle electrode are respectively and electrically connected to the positive pole of the high-voltage pulse power supply, the lower electrode and the upper electrode are respectively and electrically connected to the negative pole of the high-voltage pulse power supply, the filter screen is arranged between the first middle electrode and the second middle electrode, and the filter device is arranged above the upper electrode.

Preferably, the first high-voltage pulse electric field is formed by the cooperation of the lower electrode and the first middle electrode, and the second high-voltage pulse electric field is formed by the cooperation of the second middle electrode and the upper electrode.

Preferably, an inner shell is arranged in the outer shell, the inner shell comprises a lower shell and an upper shell, the lower shell and the upper shell are connected with each other through a hinge, so that the upper shell can be opened or closed in a flip manner relative to the lower shell, the first middle electrode is fixedly arranged in the lower shell, the second middle electrode is fixedly arranged in the upper shell, a lower supporting plate and an upper supporting plate are respectively arranged on the first middle electrode and the second middle electrode, and the lower supporting plate and the upper supporting plate are respectively positioned on two sides of the filter screen and correspondingly and respectively clamped in the lower shell and the upper shell.

Preferably, the first middle electrode is composed of a plurality of first polar plates which are arranged in a certain parallel distance and an array mode, the second middle electrode is composed of a plurality of second polar plates which are arranged in a certain parallel distance and an array mode, the first polar plates and the second polar plates are distributed in a staggered mode, the first polar plates and the second polar plates are clamped on the two sides of the filter screen respectively, and the filter screen is clamped on the lower shell and the middle of the upper shell.

Preferably, the first middle electrode is provided with a lower conductive plate, the second middle electrode is provided with an upper conductive plate, the upper conductive plate and the lower conductive plate are both located on one side of the upper shell and the lower shell hinged joint, the first middle electrode is electrically conducted with the high-voltage pulse power supply through the lower conductive plate, and the second middle electrode is electrically conducted with the high-voltage pulse power supply through the upper conductive plate.

Preferably, the plurality of first polar plates are respectively installed on a first positioning plate with a comb-tooth-shaped clamping groove, the first positioning plate is clamped in the upper shell and the first positioning groove matched with the upper shell, the plurality of second polar plates are respectively installed on a second positioning plate with a comb-tooth-shaped clamping groove, and the second positioning plate is clamped in the second positioning groove matched with the lower shell.

Preferably, a plurality of first polar plate and a plurality of the both sides of second polar plate all are provided with positioning fixture block, the inferior valve with the both sides of epitheca all be provided with positioning fixture block matched with positioning slot, through positioning fixture block with positioning slot joint each other makes a plurality of first polar plate and a plurality of the second polar plate correspond install in proper order in the inferior valve with in the epitheca.

Preferably, the filter screen does not restrict specific material type, great improvement the convenience of later stage replacement maintenance, its optimum but select for the PTFE filter screen not restrictively.

Preferably, the filter means is not limited to a specific product material type, which is optimally but not restrictively selected as an activated carbon filter layer.

A sterilization method of a high-voltage pulse electric field filtering sterilization device is characterized in that: the method comprises the following steps:

(1) starting a high-voltage pulse power supply, and simultaneously inputting air into the shell through an air inlet 3 on the shell 1 to enable the air to enter a first high-voltage pulse electric field for primary sterilization and disinfection;

(2) after the first sterilization and disinfection, the air flows onto the filter screen 5, is intercepted by the filter screen 5, and the virus and bacteria in the air are adsorbed by the filter screen 5, so that the retention time of the virus and bacteria in the first high-voltage pulse electric field is prolonged, the electric field can repeatedly act and kill the virus and bacteria, and the sterilization and disinfection effects of the first high-voltage pulse electric field are improved;

(3) the air after sterilization enters the second high-voltage pulse electric field through the filter screen 5, and the electric field carries out secondary sterilization and disinfection on the air, so that the sterilization and disinfection effect is further ensured;

(4) the clean gas after the disinfection of disinfecting through second high-voltage pulse electric field purifies through filter equipment, releases to indoor from gas outlet 4, further improves air quality.

The beneficial effects of the invention are as follows: the invention aims to provide a high-voltage pulse electric field filtering, sterilizing and disinfecting device, wherein a filter screen is arranged in an electric field, and quickly passing air germs are intercepted by the filter screen, so that the time of virus and bacteria staying in the electric field is prolonged, the electric field can repeatedly act and kill the virus and bacteria, a sterilizing and disinfecting channel is formed by adopting a plurality of high-voltage pulse electric fields, the virus and bacteria are repeatedly killed, the death of the virus and bacteria is ensured, and finally, the air is purified by the filter device and is released indoors. The invention not only effectively strengthens the sterilization and disinfection force and improves the air quality, but also has simple structure, effectively reduces the production cost and the occupied space, is convenient for dismounting and replacing the filter screen, is very convenient to use and has strong practicability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the overall internal structure of the present invention.

Fig. 3 is an exploded view of the structural principle of the sterilization channel of the present invention.

Fig. 4 is a schematic view showing an assembly structure of an electrode and an inner casing according to the present invention.

Fig. 5 is a cross-sectional view showing the internal structure of the middle electrode and the inner casing according to the present invention.

Fig. 6 is a cross-sectional view showing the internal structure of the present invention when the filter net of fig. 4 is assembled.

Reference is made to the accompanying drawings in which:

1-a housing; 2-a pulse sterilization mechanism; 3-an air inlet; 4-air outlet; 5, filtering the filter screen; 6-a filtration device; 7-a lower electrode; 8-a first middle electrode; 9-a second middle electrode; 10-an upper electrode; 11-an inner shell; 12-a lower shell; 13-upper shell; 14-a lower supporting plate; 15-mounting a pallet; 16-a first plate; 17-a second polar plate; 18-a lower conductive plate; 19-an upper conductive plate; 20-a first positioning plate; 21-a first positioning groove; 22-a second positioning plate; 23-a second positioning groove; 24-positioning a fixture block; 25-positioning card slot.

Detailed Description

In the following description, any concept relating to the directionality or orientation of up, down, left, right, front and rear is given with respect to the position shown in the drawings being described, and thus should not be construed as particularly limiting the technical solution provided by the present invention.

The following detailed description of embodiments of the invention refers to the accompanying drawings:

as shown in fig. 1-6, a high-voltage pulse electric field filtering, sterilizing and disinfecting device comprises a shell 1 and a pulse sterilizing mechanism 2 installed in the shell 1, wherein an air inlet 3 and an air outlet 4 are respectively arranged at two ends of the shell 1, the pulse sterilizing mechanism 2 is provided with a double electric field sterilizing channel consisting of a first high-voltage pulse electric field positioned at the air inlet 3 and a second high-voltage pulse electric field positioned at the air outlet 4, a filter screen 5 for prolonging the sterilizing time is arranged between the first high-voltage pulse electric field and the second high-voltage pulse electric field, and a filtering device 6 is arranged between the pulse sterilizing mechanism 2 and the air outlet 4.

Preferably, the pulse sterilization mechanism 2 includes a lower electrode 7, a first middle electrode 8, a second middle electrode 9 and an upper electrode 10 which are sequentially installed in the housing 1 along the direction from the air inlet 3 to the air outlet 4, the first middle electrode 8 and the second middle electrode 9 are respectively and electrically connected to the positive electrode of the high-voltage pulse power supply, the lower electrode 7 and the upper electrode 10 are respectively and electrically connected to the negative electrode of the high-voltage pulse power supply, the filter screen 5 is arranged between the first middle electrode 8 and the second middle electrode 9, and the filter device 6 is arranged above the upper electrode 10.

Preferably, the first high-voltage pulse electric field is formed by the cooperation of the lower electrode 7 and the first middle electrode 8, and the second high-voltage pulse electric field is formed by the cooperation of the second middle electrode 9 and the upper electrode 10.

Preferably, an inner shell 11 is arranged in the outer shell 1, the inner shell 11 includes a lower shell 12 and an upper shell 13, the lower shell 12 and the upper shell 13 are connected with each other through a hinge, so that the upper shell 13 can be opened or closed in a flip manner relative to the lower shell 12, the first middle electrode 8 is fixedly installed in the lower shell 12, the second middle electrode 9 is fixedly installed in the upper shell 13, a lower supporting plate 14 and an upper supporting plate 15 are respectively arranged on the first middle electrode 8 and the second middle electrode 9, the lower supporting plate 14 and the upper supporting plate 15 are respectively located at two sides of the filter screen 5 and are correspondingly and respectively clamped in the lower shell 12 and the upper shell 13.

Preferably, the first middle electrode 8 is composed of a plurality of first polar plates 16 which are arranged in an array mode and have a certain parallel distance, the second middle electrode 9 is composed of a plurality of second polar plates 17 which are arranged in an array mode and have a certain parallel distance, the first polar plates 16 and the second polar plates 17 are distributed in a staggered mode, the first polar plates 16 and the second polar plates 17 are clamped on two sides of the filter screen 5 respectively, and the filter screen 5 is clamped in the middle of the lower shell 12 and the middle of the upper shell 13.

Preferably, the first middle electrode 8 is provided with a lower conductive plate 18, the second middle electrode 9 is provided with an upper conductive plate 19, the upper conductive plate 19 and the lower conductive plate 18 are both located on one side of the upper shell 13 and the lower shell 12, the first middle electrode 8 is electrically conducted with the high-voltage pulse power supply through the lower conductive plate 18, and the second middle electrode 9 is electrically conducted with the high-voltage pulse power supply through the upper conductive plate 19.

Preferably, a plurality of the first polar plates 16 are respectively installed on a first positioning plate 20 with a comb-tooth-shaped clamping groove, the first positioning plate 20 is clamped in the first positioning groove 21 of the upper shell 13 matched with the first positioning plate, a plurality of the second polar plates 17 are respectively installed on a second positioning plate 22 with a comb-tooth-shaped clamping groove, and the second positioning plate 22 is clamped in the second positioning groove 23 of the lower shell 12 matched with the second positioning plate.

Preferably, a plurality of first polar plate 16 and a plurality of the both sides of second polar plate 17 all are provided with positioning fixture block 24, inferior valve 12 with the both sides of epitheca 13 all be provided with positioning fixture block 24 matched with positioning fixture block 25, through positioning fixture block 24 with positioning fixture block 25 joint each other makes a plurality of first polar plate 16 and a plurality of second polar plate 17 correspond install in proper order in inferior valve 12 with in the epitheca 13.

Preferably, the filter screen 5 is not limited to specific material types, so that convenience of later-stage replacement and maintenance is greatly improved, and the filter screen is optimally selected to be a PTFE (polytetrafluoroethylene) filter screen without limitation.

Preferably, the filtering means 6 is not limited to a specific type of product material, which is optimally but not exclusively chosen as an activated carbon filtering layer.

A sterilization method of a high-voltage pulse electric field filtering sterilization device is characterized in that: the method comprises the following steps:

(1) starting a high-voltage pulse power supply, and simultaneously inputting air into the shell through an air inlet 3 on the shell 1 to enable the air to enter a first high-voltage pulse electric field for primary sterilization and disinfection;

(2) after the first sterilization and disinfection, the air flows onto the filter screen 5, is intercepted by the filter screen 5, and the virus and bacteria in the air are adsorbed by the filter screen 5, so that the retention time of the virus and bacteria in the first high-voltage pulse electric field is prolonged, the electric field can repeatedly act and kill the virus and bacteria, and the sterilization and disinfection effects of the first high-voltage pulse electric field are improved;

(3) the air after sterilization enters the second high-voltage pulse electric field through the filter screen 5, and the electric field carries out secondary sterilization and disinfection on the air, so that the sterilization and disinfection effect is further ensured;

(4) the clean gas after the disinfection of disinfecting through second high-voltage pulse electric field purifies through filter equipment, releases to indoor from gas outlet 4, further improves air quality.

The invention relates to a high-voltage pulse electric field filtering, sterilizing and disinfecting device and a sterilizing method thereof, which integrally comprise a shell 1 and a pulse sterilizing mechanism 2 arranged in the shell 1, wherein both ends of the shell 1 are respectively provided with an air inlet 3 and an air outlet 4 from bottom to top, the pulse sterilizing mechanism 2 is positioned between the air inlet 3 and the air outlet 4, and the pulse sterilizing mechanism 2 respectively generates a first high-voltage pulse electric field and a second high-voltage pulse electric field in the direction from the air inlet 3 to the air outlet 4, the first high-voltage pulse electric field and the second high-voltage pulse electric field are also provided with a filter screen 5 for prolonging the staying time of air in the electric fields, the first high-voltage pulse electric field, the filter screen 5 and the second high-voltage pulse electric field sequentially form a sterilization channel of a double high-voltage pulse electric field, and a filtering device 6 for further purifying the air is arranged between the pulse sterilizing mechanism 2 and the air outlet 4.

Further, the pulse sterilization mechanism 2 mainly comprises a lower electrode 7, a first middle electrode 8, a second middle electrode 9 and an upper electrode 10, wherein the lower electrode 7, the first middle electrode 8, the second middle electrode 9 and the upper electrode 10 are sequentially arranged in the outer shell 1 from bottom to top along the direction from the air inlet 3 to the air outlet 4, then, an inner shell 11 is arranged in the outer shell 1, the inner shell 11 comprises a lower shell 12 and an upper shell 13, the lower shell 12 and the upper shell 13 are mutually connected through a hinge to form a flip type connecting structure, so that the upper shell 13 can be opened and turned relative to the lower shell 12, the first middle electrode 8 is provided with a lower conductive plate 18, the second middle electrode 9 is provided with an upper conductive plate 19, the first middle electrode 8 and the lower conductive plate 18 are arranged in the lower shell 12, the second middle electrode 9 and the upper conductive plate 19 are arranged in the upper shell 13, the lower electrode 7 is positioned below the inner shell 11, the upper electrode 10 is positioned above the inner shell 11, the filter screen 5 is integrally disposed between the first and second middle electrodes 8 and 9, and the filter device 6 is disposed above the upper electrode 10.

Further, the first middle electrode 8 and the second middle electrode 9 are disposed at the positive pole of the high voltage pulse power supply, and the lower electrode 7 and the upper electrode 10 are respectively electrically connected to the negative pole of the high voltage pulse power supply, so that a first high voltage pulse electric field on the sterilization channel is formed between the lower electrode 7 and the first middle electrode 8, and a second high voltage pulse electric field on the sterilization channel is formed between the second middle electrode 9 and the upper electrode 10.

Further, the first middle electrode 8 is composed of a plurality of first electrode plates 16, the second middle electrode 9 is composed of a plurality of second electrode plates 17, the plurality of first electrode plates 16 are respectively and fixedly installed on a first positioning plate 20 provided with a plurality of comb-tooth-shaped clamping grooves, so that the plurality of first electrode plates 16 are mutually parallel and equally spaced in array arrangement, and similarly, the plurality of second electrode plates 17 are respectively and fixedly installed on a second positioning plate 22 provided with a plurality of comb-tooth-shaped clamping grooves, so that the plurality of second electrode plates 17 are mutually parallel and equally spaced in array arrangement, and secondly, both sides of each of the first electrode plates 16 and the second electrode plates 17 are respectively provided with a positioning fixture block 24.

Furthermore, a plurality of first polar plates 16 and a plurality of second polar plates 17 are arranged in a staggered manner relatively, the plurality of first polar plates 16 are clamped on the lower side of the filter screen 5, and the plurality of second polar plates 17 are clamped on the upper side of the filter screen 5, so that the filter screen 5 is clamped in the middle of the inner shell 11 by the first middle electrode 8 and the second middle electrode 9 respectively.

Furthermore, the two sides of the lower shell 12 are provided with first positioning grooves 21 matched with the first positioning plates 20, the other two sides are provided with positioning clamping grooves 25 matched with the positioning clamping blocks 24, the two sides of each first positioning plate 20 are respectively clamped in the first positioning grooves 21 matched with the lower shell 12, and meanwhile, each first polar plate 16 is respectively clamped in the positioning clamping grooves 25 matched with the first polar plates in the lower shell 12 through the positioning clamping blocks 24 on the two sides, so that the first middle electrode 8 is installed in the lower shell 12, the first middle electrode 8 is provided with the lower supporting plate 14, the lower supporting plate 14 is a hollow frame body, and the lower supporting plate 14 is stacked on the positioning clamping blocks 24 on the two sides of the first polar plates 16.

Furthermore, two sides of the upper shell 13 are provided with second positioning grooves 23 matched with the second positioning plates 22, the other two sides are provided with positioning clamping grooves 25 matched with the positioning clamping blocks 24, two sides of the second positioning plates 22 are respectively clamped in the upper shell 13 and the second positioning grooves 23 matched with the upper shell 13, meanwhile, each second pole plate 17 is respectively clamped in the positioning clamping grooves 25 matched with the second pole plates in the upper shell 13 through the positioning clamping blocks 24 on the two sides, so that the second middle electrode 9 is installed in the upper shell 13, the second middle electrode 9 is provided with an upper supporting plate 15, the upper supporting plate 15 is a hollow frame body, and the upper supporting plate 15 is stacked on the positioning clamping blocks 24 on two sides of the plurality of first pole plates 16.

Further, in the actual use process, when air needs to be sterilized, firstly, the high-voltage pulse power supply is started, so that the pulse sterilizing mechanism 2 forms two high-voltage pulse electric fields on two sides of the filter screen 5 respectively, the air enters the inside of the casing 1 through the air inlet 3 of the casing 1 and then enters the first high-voltage pulse electric field formed by the lower electrode 7 and the first middle electrode 8, and the air is sterilized for the first time by the first high-voltage pulse electric field.

Further, when the air continues to flow along the first high-voltage pulse electric field, the air reaches the filter screen 5, at the moment, the filter screen 5 performs an adsorption interception function on the air after the air is sterilized for the first time, virus and bacteria in the air are adsorbed and intercepted on the filter screen 5, so that the stay time of pathogenic bacteria in the air in the first high-voltage pulse electric field is prolonged, the sterilization action time of the air by the first high-voltage pulse electric field is prolonged, the potential difference between the inside and the outside of the membrane is further increased by the first high-voltage pulse electric field, the permeability of the cell membrane is enhanced, a plurality of pores are formed on the membrane, the strength of the membrane is reduced, the voltage fluctuates violently in a very short time, an oscillation effect is generated on the membrane, the cells are collapsed under the combined action of the increase of the pores and the oscillation effect, and the pathogenic bacteria stay in the first high-voltage pulse electric field for a long time and are repeatedly, greatly improving the sterilization efficiency.

Further, the air flows into the second high-voltage pulse electric field through the filter screen 5, the surviving germs sterilize the air for the second time when passing through the second high-voltage pulse electric field, further make the germs inactivated, finally, the air after completely sterilizing is discharged through the air outlet 4 on the shell 1, meanwhile, the filtering device 6 outside the second high-voltage pulse electric field, the filtering device 6 is optimally but not restrictively selected to be an active carbon filtering layer, the air can be effectively purified, and the improvement of the air quality is further realized.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, and those skilled in the art may make modifications and variations within the spirit of the present invention, and all modifications, equivalents and modifications of the above embodiments according to the technical spirit of the present invention are within the scope of the present invention.