A high-voltage pulse electric field filtering sterilization and disinfection device and sterilization and disinfection method thereof

Abstract

The invention relates to a high-voltage pulse electric field filtering sterilization and disinfection device and a sterilization and disinfection method thereof; the 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 composed of a first high-voltage pulse electric field and a second high-voltage pulse electric field, a filter is arranged between the first high-voltage pulse electric field and the second high-voltage pulse electric field, and a filter is arranged between the pulse sterilization and disinfection mechanism and the air outlet; the beneficial effects of the invention are embodied in that a filter is installed in the electric field, the filter intercepts viruses and bacteria in the air, prolongs the time that viruses and bacteria stay in the electric field, and at the same time, multiple high-voltage pulse electric fields are used to repeatedly eliminate viruses and bacteria, and finally the air is purified by the filter device, thereby effectively strengthening the sterilization and disinfection strength and improving the air quality, the structure is simple, the production cost and the occupied space are reduced, the filter is easy to disassemble and replace, and the practicability is strong.

Description

Technical Field

[0001] The present invention relates to a sterilization and disinfection device, in particular to a high-voltage pulse electric field filtering sterilization and disinfection device and a sterilization and disinfection method thereof which can prolong the residence time of viruses and bacteria in an electric field and improve the sterilization and disinfection ability. Background Art

[0002] As people's environmental awareness increases, they pay more and more attention to the air quality in various environments, especially during the high incidence of infectious diseases. The presence of viruses and bacteria can easily cause people to be infected. For this reason, people need various means to sterilize the air. At present, air disinfectors mainly use UV lamps, ozone and ultraviolet rays to disinfect the air. However, these methods have poor sterilization effects and cannot effectively kill pathogens. In addition, the use environment is also limited. In order to solve the above-mentioned defects, there are devices on the market that use high-voltage pulses for sterilization. They act on microbial cells through an external electric field. The electric field increases the potential difference between the inside and outside of the membrane. Due to the mutual attraction of opposite charges accumulated on the two surfaces of the cell membrane, the membrane is squeezed. When the electric field strength increases to a critical value, the permeability of the cell membrane increases dramatically, and many small holes appear on the abdomen, which reduces the strength of the membrane. At the same time, the applied electric field is a pulse electric field. The voltage fluctuates violently in a very short time, producing an oscillation effect on the membrane. The combined effect of pore enlargement and oscillation effect causes cell collapse and inactivates microorganisms. However, most products that currently rely on high-voltage electric field pulse disinfection usually install filters before and after the electric field, failing to effectively utilize the electric field. Not only does the sterilization effect not improve, but it also increases costs and wastes space. At the same time, the subsequent maintenance and disassembly and assembly of the filter are cumbersome, time-consuming and labor-intensive, inconvenient to use, and have poor practicality. Summary of the invention

[0003] In order to solve the above problems, the present invention aims to provide a sterilization and disinfection device, specifically a high-voltage pulse electric field filtering sterilization and disinfection device and a sterilization and disinfection method thereof, which can prolong the residence time of viruses and bacteria in the electric field and improve the sterilization ability.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a high-voltage pulse electric field filtering sterilization and disinfection device, comprising a shell and a pulse sterilization mechanism installed in the shell, an air inlet and an air outlet are respectively provided at both ends of the shell, the pulse sterilization mechanism is provided with a dual electric field sterilization channel composed of a first high-voltage pulse electric field located at the air inlet and a second high-voltage pulse electric field located at the air outlet, a filter net for extending the sterilization time is provided between the first high-voltage pulse electric field and the second high-voltage pulse electric field, and a filtering device is provided between the pulse sterilization mechanism and the air outlet.

[0005] Preferably, the pulse sterilization mechanism includes a lower electrode, a first middle electrode, a second middle electrode and an upper electrode which are sequentially installed in the outer shell along the direction from the air inlet to the air outlet, the first middle electrode and the second middle electrode are respectively electrically connected to the positive electrode of the high-voltage pulse power supply, the lower electrode and the upper electrode are respectively electrically connected to the negative electrode of the high-voltage pulse power supply, the filter is arranged between the first middle electrode and the second middle electrode, and the filter device is arranged above the upper electrode.

[0006] Preferably, the first high-voltage pulse electric field is formed by the cooperation between the lower electrode and the first middle electrode, and the second high-voltage pulse electric field is formed by the cooperation between the second middle electrode and the upper electrode.

[0007] Preferably, an inner shell is arranged in the outer shell, and the inner shell includes a lower shell and an upper shell, and the lower shell and the upper shell are connected to each other by a hinge so that the upper shell can be opened or closed in a flip-cover manner relative to the lower shell, and the first middle electrode is fixedly installed in the lower shell, and the second middle electrode is fixedly installed in the upper shell, and a lower support plate and an upper support plate are respectively arranged on the first middle electrode and the second middle electrode, and the lower support plate and the upper support plate are respectively located on both sides of the filter net, and are respectively clamped in the lower shell and the upper shell accordingly.

[0008] Preferably, the first middle electrode is composed of a plurality of first electrode plates which are mutually parallel and spaced a certain distance apart and arranged in an array, and the second middle electrode is composed of a plurality of second electrode plates which are mutually parallel and spaced a certain distance apart and arranged in an array, and a plurality of the first electrode plates and a plurality of the second electrode plates are staggeredly distributed in the direction from the air inlet to the air outlet and in the direction perpendicular to the air inlet and the air outlet, and a plurality of the first electrode plates and a plurality of the second electrode plates are respectively clamped on both sides of the filter screen, clamping the filter screen in the middle of the lower shell and the upper shell.

[0009] Preferably, the first middle electrode is provided with a lower conductive plate, and the second middle electrode is provided with an upper conductive plate, and the upper conductive plate and the lower conductive plate are both located on one side of the hinge connection between the upper shell and the lower shell, and the first middle electrode is electrically connected to the high-voltage pulse power supply through the lower conductive plate, and the second middle electrode is electrically connected to the high-voltage pulse power supply through the upper conductive plate.

[0010] Preferably, several of the first pole plates are respectively mounted on a first positioning plate having a comb-tooth-shaped clamping groove, and the first positioning plate is clamped in the first positioning groove of the upper shell that matches it, and several of the second pole plates are respectively mounted on a second positioning plate having a comb-tooth-shaped clamping groove, and the second positioning plate is clamped in the second positioning groove of the lower shell that matches it.

[0011] Preferably, positioning blocks are provided on both sides of several of the first pole plates and several of the second pole plates, and positioning slots matching with the positioning blocks are provided on both sides of the lower shell and the upper shell. The positioning blocks and the positioning slots are mutually engaged, so that several of the first pole plates and several of the second pole plates are correspondingly installed in the lower shell and the upper shell in sequence.

[0012] Preferably, the filter screen is not limited to a specific material type, which greatly improves the convenience of later replacement and maintenance. The best but not limited choice is a PTFE filter screen.

[0013] Preferably, the filtering device is not limited to a specific product material type, and is optimally but not limitedly selected as an activated carbon filter layer.

[0014] A sterilization method for a high-voltage pulse electric field filtering sterilization and disinfection device, characterized in that it comprises the following steps:

[0015] The high-voltage pulse power supply is started, and air is inputted into the housing 1 through the air inlet 3, so that the air enters the first high-voltage pulse electric field for the first sterilization and disinfection;

[0016] After the first sterilization and disinfection, the air flows to the filter 5, is intercepted by the filter 5, and the viruses and bacteria in the air are adsorbed by the filter 5, thereby prolonging the residence time of the viruses and bacteria in the first high-voltage pulse electric field, so that the electric field can act repeatedly and eliminate the viruses and bacteria, thereby improving the sterilization and disinfection effect of the first high-voltage pulse electric field;

[0017] The sterilized air passes through the filter 5 and enters the second high-voltage pulse electric field, which performs secondary sterilization on the air to further ensure the sterilization effect.

[0018] The clean gas sterilized and disinfected by the second high-voltage pulse electric field is purified by the filter device and released into the room from the gas outlet 4, further improving the air quality.

[0019] The beneficial effects of the present invention are as follows: the present invention aims to provide a high-voltage pulse electric field filtering sterilization and disinfection device, by installing a filter in the electric field, the filter intercepts the rapidly passing air germs, thereby prolonging the time that the virus and bacteria stay in the electric field, so that the electric field can act repeatedly and eliminate the virus and bacteria, and at the same time, multiple high-voltage pulse electric fields are used to form a sterilization and disinfection channel, and the virus and bacteria are repeatedly eliminated to ensure the demise of the virus and bacteria, and finally the air is purified by the filter device and released into the room. The present invention not only effectively strengthens the sterilization and disinfection efforts and improves the air quality, but also has a simple structure, effectively reduces the production cost and the space occupied, and is easy to disassemble and replace the filter, which is very convenient to use and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 It is an exploded view of the internal structure of the present invention as a whole.

[0022] Figure 3 It is an exploded diagram of the structural principle of the sterilization channel of the present invention.

[0023] Figure 4 It is a schematic diagram of the assembly structure of the electrode and the inner shell in the present invention.

[0024] Figure 5 This is a cross-sectional view of the internal structure of the middle electrode and the inner shell of the present invention.

[0025] Figure 6 The present invention is Figure 4 Cross-sectional view of the internal structure when the filter is installed.

[0026] Notes on the attached drawings:

[0027] 1-outer shell; 2-pulse sterilization mechanism; 3-air inlet; 4-air outlet; 5-filter; 6-filter device; 7-lower electrode; 8-first middle electrode; 9-second middle electrode; 10-upper electrode; 11-inner shell; 12-lower shell; 13-upper shell; 14-lower support plate; 15-upper support plate; 16-first electrode plate; 17-second electrode plate; 18-lower conductive plate; 19-upper conductive plate; 20-first positioning plate; 21-first positioning groove; 22-second positioning plate; 23-second positioning groove; 24-positioning block; 25-positioning groove. DETAILED DESCRIPTION

[0028] In the following description, all concepts related to directionality or orientation such as up, down, left, right, front and back are with reference to the position states shown in the drawings being described, and therefore cannot be understood as a special limitation on the technical solution provided by the present invention.

[0029] The specific implementation of the present invention is described in detail below with reference to the accompanying drawings:

[0030] like Figure 1-6 As shown, a high-voltage pulse electric field filtering sterilization and disinfection device includes a shell 1 and a pulse sterilization mechanism 2 installed in the shell 1, an air inlet 3 and an air outlet 4 are respectively provided at both ends of the shell 1, the pulse sterilization mechanism 2 is provided with a dual electric field sterilization channel consisting of a first high-voltage pulse electric field located at the air inlet 3 and a second high-voltage pulse electric field located at the air outlet 4, a filter net 5 for extending the sterilization time is provided between the first high-voltage pulse electric field and the second high-voltage pulse electric field, and a filtering device 6 is provided between the pulse sterilization mechanism 2 and the air outlet 4.

[0031] 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 outer shell 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 electrically connected to the positive electrode of the high-voltage pulse power supply, the lower electrode 7 and the upper electrode 10 are respectively 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.

[0032] Preferably, the first high-voltage pulse electric field is formed by the cooperation between the lower electrode 7 and the first middle electrode 8 , and the second high-voltage pulse electric field is formed by the cooperation between the second middle electrode 9 and the upper electrode 10 .

[0033] Preferably, an inner shell 11 is provided in the outer shell 1, and 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 to each other by a hinge, so that the upper shell 13 can be opened or closed in a flip-cover manner relative to the lower shell 12. The first middle electrode 8 is fixedly installed in the lower shell 12, and the second middle electrode 9 is fixedly installed in the upper shell 13. A lower support plate 14 and an upper support plate 15 are respectively provided on the first middle electrode 8 and the second middle electrode 9. The lower support plate 14 and the upper support plate 15 are respectively located on both sides of the filter screen 5, and are correspondingly clamped in the lower shell 12 and the upper shell 13.

[0034] Preferably, the first middle electrode 8 is composed of a plurality of first electrode plates 16 which are arranged in an array and have a certain parallel spacing therebetween, and the second middle electrode 9 is composed of a plurality of second electrode plates 17 which are arranged in an array and have a certain parallel spacing therebetween, and a plurality of the first electrode plates 16 and a plurality of the second electrode plates 17 are alternately distributed, and a plurality of the first electrode plates 16 and a plurality of the second electrode plates 17 are respectively clamped on both sides of the filter screen 5, so that the filter screen 5 is clamped in the middle of the lower shell 12 and the upper shell 13.

[0035] Preferably, the first middle electrode 8 is provided with a lower conductive plate 18, and the second middle electrode 9 is provided with an upper conductive plate 19, and the upper conductive plate 19 and the lower conductive plate 18 are both located on one side of the hinge connection between the upper shell 13 and the lower shell 12, and the first middle electrode 8 is electrically connected to the high-voltage pulse power supply through the lower conductive plate 18, and the second middle electrode 9 is electrically connected to the high-voltage pulse power supply through the upper conductive plate 19.

[0036] Preferably, a plurality of the first pole plates 16 are respectively mounted on a first positioning plate 20 having a comb-tooth-shaped snap-in groove, and the first positioning plate 20 is snap-fitted into a first positioning groove 21 of the upper shell 13 that matches therewith, and a plurality of the second pole plates 17 are respectively mounted on a second positioning plate 22 having a comb-tooth-shaped snap-in groove, and the second positioning plate 22 is snap-fitted into a second positioning groove 23 of the lower shell 12 that matches therewith.

[0037] Preferably, positioning blocks 24 are provided on both sides of the plurality of first pole plates 16 and the plurality of second pole plates 17, and positioning slots 25 matching the positioning blocks 24 are provided on both sides of the lower shell 12 and the upper shell 13. The positioning blocks 24 and the positioning slots 25 are mutually engaged, so that the plurality of first pole plates 16 and the plurality of second pole plates 17 are correspondingly installed in the lower shell 12 and the upper shell 13 in sequence.

[0038] Preferably, the filter screen 5 is not limited to a specific material type, which greatly improves the convenience of later replacement and maintenance. The best but not limited choice is a PTFE filter screen.

[0039] Preferably, the filtering device 6 is not limited to a specific product material type, and is optimally but not limitedly selected to be an activated carbon filter layer.

[0040] A sterilization method for a high-voltage pulse electric field filtering sterilization and disinfection device, characterized in that it comprises the following steps:

[0041] The high-voltage pulse power supply is started, and air is inputted into the housing 1 through the air inlet 3, so that the air enters the first high-voltage pulse electric field for the first sterilization and disinfection;

[0042] After the first sterilization and disinfection, the air flows to the filter 5, is intercepted by the filter 5, and the viruses and bacteria in the air are adsorbed by the filter 5, thereby prolonging the residence time of the viruses and bacteria in the first high-voltage pulse electric field, so that the electric field can act repeatedly and eliminate the viruses and bacteria, thereby improving the sterilization and disinfection effect of the first high-voltage pulse electric field;

[0043] The sterilized air passes through the filter 5 and enters the second high-voltage pulse electric field, which performs secondary sterilization on the air to further ensure the sterilization effect.

[0044] The clean gas sterilized and disinfected by the second high-voltage pulse electric field is purified by the filter device and released into the room from the gas outlet 4, further improving the air quality.

[0045] The present invention discloses a high-voltage pulse electric field filtering sterilization and disinfection device and a sterilization method thereof, which comprises a shell 1 and a pulse sterilization mechanism 2 installed in the shell 1. An air inlet 3 and an air outlet 4 are respectively arranged at two ends of the shell 1 from bottom to top. The pulse sterilization mechanism 2 is located between the air inlet 3 and the air outlet 4, and the pulse sterilization mechanism 2 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, respectively. A filter 5 for prolonging the residence time of air in the electric field is also arranged in the first high-voltage pulse electric field and the second high-voltage pulse electric field. A sterilization channel of a double high-voltage pulse electric field is sequentially formed by the first high-voltage pulse electric field, the filter 5 and the second high-voltage pulse electric field, and a filter device 6 for further purifying the air is also arranged between the pulse sterilization mechanism 2 and the air outlet 4.

[0046] Furthermore, the pulse sterilization mechanism 2 is mainly composed of 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. Secondly, an inner shell 11 is arranged in the outer shell 1, and 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 to each other by a hinge to form a flip-cover connection structure, so that the upper shell 1 3 can be flipped open 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 installed in the lower shell 12, the second middle electrode 9 and the upper conductive plate 19 are installed in the upper shell 13, the lower electrode 7 is located below the inner shell 11, the upper electrode 10 is located above the inner shell 11, the filter screen 5 is integrally 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.

[0047] Furthermore, the first middle electrode 8 and the second middle electrode 9 are 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.

[0048] Furthermore, the first middle electrode 8 is composed of a plurality of first electrode plates 16, and the second middle electrode 9 is composed of a plurality of second electrode plates 17. The plurality of first electrode plates 16 are respectively fixedly mounted 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 arranged in an array parallel to each other and at equal intervals. Similarly, the plurality of second electrode plates 17 are respectively fixedly mounted 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 arranged in an array parallel to each other and at equal intervals. Secondly, positioning blocks 24 are provided on both sides of each of the first electrode plates 16 and the second electrode plates 17.

[0049] Furthermore, a plurality of first pole plates 16 and a plurality of second pole plates 17 are relatively staggeredly distributed in the direction from the air inlet to the air outlet and in the direction perpendicular to the air inlet and the air outlet, and a plurality of first pole plates 16 are clamped on the lower side of the filter 5, and a plurality of second pole plates 17 are clamped on the upper side of the filter 5, so that the filter 5 is clamped in the middle of the inner shell 11 by the first middle electrode 8 and the second middle electrode 9 respectively.

[0050] Furthermore, first positioning grooves 21 cooperating with the first positioning plate 20 are provided on two sides of the lower shell 12, and positioning grooves 25 cooperating with the positioning blocks 24 are provided on the other two sides. The two sides of the first positioning plate 20 are respectively clamped in the first positioning grooves 21 of the lower shell 12 cooperating with it. At the same time, each first pole plate 16 is respectively clamped in the positioning grooves 25 cooperating with it in the lower shell 12 through the positioning blocks 24 on both sides, so that the first middle electrode 8 is installed in the lower shell 12. A lower support plate 14 is provided on the first middle electrode 8. The lower support plate 14 is a hollow frame, and the lower support plate 14 is stacked on the positioning blocks 24 on both sides of a plurality of first pole plates 16.

[0051] Furthermore, second positioning grooves 23 cooperating with the second positioning plate 22 are provided on two sides of the upper shell 13, and positioning grooves 25 cooperating with the positioning blocks 24 are provided on the other two sides. The two sides of the second positioning plate 22 are respectively clamped in the second positioning grooves 23 cooperating with it in the upper shell 13. At the same time, each second electrode plate 17 is respectively clamped in the positioning grooves 25 cooperating with it in the upper shell 13 through the positioning blocks 24 on both sides, so that the second middle electrode 9 is installed in the upper shell 13. An upper support plate 15 is provided on the second middle electrode 9. The upper support plate 15 is a hollow frame, and the upper support plate 15 is stacked on the positioning blocks 24 on both sides of a plurality of first electrode plates 16.

[0052] Furthermore, during actual use, when the air needs to be sterilized, first, the high-voltage pulse power supply is started so that the pulse sterilization mechanism 2 forms two high-voltage pulse electric fields on both sides of the filter 5, and the air enters the interior of the outer shell 1 through the air inlet 3 of the outer shell 1, and then enters the first high-voltage pulse electric field formed by the lower electrode 7 and the first middle electrode 8. The air is sterilized for the first time by the first high-voltage pulse electric field.

[0053] Furthermore, when the air continues to flow along the first high-voltage pulse electric field, it reaches the filter 5. At this time, the filter 5 adsorbs and intercepts the air after the first sterilization. The viruses and bacteria in the air are adsorbed and intercepted on the filter 5, thereby increasing the time that the pathogens in the air stay in the first high-voltage pulse electric field, thereby extending the time that the first high-voltage pulse electric field sterilizes the air. The first high-voltage pulse electric field further increases the potential difference between the inside and outside of the membrane, thereby enhancing the permeability of the cell membrane. Many small holes appear on the membrane, which reduces the strength of the membrane. The voltage fluctuates violently in a very short time, and an oscillation effect is generated on the membrane. The combined effect of the enlarged holes and the oscillation effect causes the cells to collapse. Since the pathogens stay in the first high-voltage pulse electric field for a long time, they are repeatedly killed by the first high-voltage pulse electric field, thereby greatly improving the disinfection efficiency.

[0054] Furthermore, the air flows into the second high-voltage pulse electric field through the filter 5, and the surviving germs undergo secondary sterilization and disinfection of the air when passing through the second high-voltage pulse electric field, thereby further inactivating the germs. Finally, the completely sterilized air is discharged through the air outlet 4 on the outer shell 1. At the same time, the filter device 6 outside the second high-voltage pulse electric field, the filter device 6 is optimally but not limitedly selected as an activated carbon filter layer, which can effectively purify the air and further improve the air quality.

[0055] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Technical personnel in this industry can make some deformation and modifications under the inspiration of this technical solution. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A high-voltage pulse electric field filtering sterilization and disinfection device, characterized in that: It comprises a shell and a pulse sterilization mechanism installed in the shell, an air inlet and an air outlet are respectively arranged at two ends of the shell, the pulse sterilization mechanism is provided with a double electric field sterilization channel composed of a first high-voltage pulse electric field located at the air inlet and a second high-voltage pulse electric field located at the air outlet, a filter net for extending the sterilization time 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 mechanism and the air outlet; The pulse sterilization mechanism comprises a lower electrode, a first middle electrode, a second middle electrode and an upper electrode which are sequentially installed in the housing along the direction from the air inlet to the air outlet, the first middle electrode and the second middle electrode are respectively electrically connected to the positive electrode of the high-voltage pulse power supply, the lower electrode and the upper electrode are respectively electrically connected to the negative electrode 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; 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; The first middle electrode is composed of a plurality of first electrode plates which are mutually parallel and spaced apart and arranged in an array; the second middle electrode is composed of a plurality of second electrode plates which are mutually parallel and spaced apart and arranged in an array; the plurality of the first electrode plates and the plurality of the second electrode plates are relatively staggeredly distributed in a direction from the air inlet to the air outlet and in a direction perpendicular to the air inlet to the air outlet; and the plurality of the first electrode plates and the plurality of the second electrode plates are respectively clamped on both sides of the filter screen.

2. A high voltage pulse electric field filtering sterilization and disinfection device according to claim 1, characterized in that: An inner shell is arranged in the outer shell, and the inner shell includes a lower shell and an upper shell, and the lower shell and the upper shell are connected to each other by a hinge, so that the upper shell can be opened or closed in a flip-cover manner relative to the lower shell, the first middle electrode is fixedly installed in the lower shell, and the second middle electrode is fixedly installed in the upper shell, and a lower support plate and an upper support plate are respectively arranged on the first middle electrode and the second middle electrode, and the lower support plate and the upper support plate are respectively located on both sides of the filter screen, and are respectively clamped in the lower shell and the upper shell accordingly.

3. A high voltage pulse electric field filtering sterilization and disinfection device according to claim 2, characterized in that: The first middle electrode is provided with a lower conductive plate, and 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 where the upper shell and the lower shell are hingedly connected. The first middle electrode is electrically connected to the high-voltage pulse power supply through the lower conductive plate, and the second middle electrode is electrically connected to the high-voltage pulse power supply through the upper conductive plate.

4. A high-voltage pulse electric field filtering sterilization and disinfection device according to claim 2, characterized in that: The plurality of first pole plates are respectively mounted on a first positioning plate having a comb-tooth-shaped snap-in groove, the first positioning plate is snap-fitted into the first positioning groove of the upper shell matching therewith, and the plurality of second pole plates are respectively mounted on a second positioning plate having a comb-tooth-shaped snap-in groove, the second positioning plate is snap-fitted into the second positioning groove of the lower shell matching therewith.

5. A high-voltage pulse electric field filtering sterilization and disinfection device according to claim 2, characterized in that: Positioning blocks are provided on both sides of the plurality of first pole plates and the plurality of second pole plates, and positioning slots matching with the positioning blocks are provided on both sides of the lower shell and the upper shell. The positioning blocks and the positioning slots are mutually engaged, so that the plurality of first pole plates and the plurality of second pole plates are correspondingly installed in the lower shell and the upper shell in sequence.

6. A sterilization and disinfection method of a high-voltage pulse electric field filtering sterilization and disinfection device, based on the structure of a high-voltage pulse electric field filtering sterilization and disinfection device according to any one of claims 1 to 5, characterized in that: The following steps are involved: (1) starting a high-voltage pulse power supply and simultaneously inputting air into the housing (1) through an air inlet (3) on the housing (1), so that the air enters a first high-voltage pulse electric field for initial sterilization and disinfection; (2) After the first sterilization and disinfection, the air flows to the filter (5) and is intercepted by the filter (5). The virus and bacteria in the air are adsorbed by the filter (5), thereby prolonging the residence time of the virus and bacteria in the first high-voltage pulse electric field, so that the electric field can act repeatedly and eliminate the virus and bacteria, thereby improving the sterilization and disinfection effect of the first high-voltage pulse electric field; (3) The sterilized air passes through the filter (5) and enters the second high-voltage pulse electric field, which performs secondary sterilization on the air to further ensure the sterilization effect; (4) The clean gas sterilized and disinfected by the second high-voltage pulse electric field is purified by the filter device and released into the room from the gas outlet (4), further improving the air quality.

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