Plasma air purification and disinfection machine

By designing a plasma air purification and disinfection machine, and using multi-layer purification and plasma catalytic technology, the problem that existing air purifiers cannot effectively purify air in public places and closed rooms is solved, achieving efficient air purification and disinfection effects.

CN114017878BActive Publication Date: 2025-03-04安徽中科大禹科技有限公司
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Patent Information

Application Number
CN202111319887.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-11-09
Publication Date
2025-03-04
Estimated Expiration
2041-11-09

AI Technical Summary

Technical Problem

Existing air purifiers cannot effectively purify air in public places and enclosed rooms, especially in densely populated areas.

Method used

A plasma air purification and disinfection machine was designed, including a primary filter module, an electrostatic ion adsorption module, a plasma catalytic module, a plasma disinfection module and a negative ion refreshing module. Through layer-by-layer purification and plasma catalytic technology, thorough purification and disinfection of the air is achieved.

Benefits of technology

The device can destroy bacteria, cells and virus proteins in milliseconds, with an inactivation efficiency of nearly 100%. It is suitable for public places such as hospitals and nursing homes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the field of air purification, in particular to a plasma air purification and disinfection machine, comprising a machine body, wherein a disinfection unit is arranged in the machine body, and the disinfection unit comprises a primary filter module, an electrostatic ion adsorption module, a plasma catalytic module, a plasma disinfection module and a negative ion freshness module; a pair of symmetrical side walls of the machine body are movable plates, which are installed at a disassembly window of the machine body through a clamping unit, and the interior of the machine body inside the disassembly window is sequentially installed with the primary filter module, the electrostatic ion adsorption module, the plasma catalytic module and the plasma disinfection module from bottom to top; the primary filter module is installed at the air inlet of the lower end side wall of the machine body; a negative ion freshness module is installed above the plasma disinfection module, and the negative ion freshness module is placed at the air outlet at the top of the machine body.
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Description

Technical Field

[0001] The invention relates to the field of air purification, in particular to a plasma air purification and disinfection machine. Background Art

[0002] The issue of air quality has been a topic of widespread concern in recent years. Now more and more people are spending more time indoors, which makes the indoor air poorer. In order to improve the indoor air quality, people buy air purifiers and place them indoors to achieve the effect of purifying the air.

[0003] The current air purifiers have a single effective purification module, which is limited to filtering air particles, refreshing the air, or removing odors from the air. In addition, they are a single convenient sterilization and purification. The comprehensive purification of the air has not been effectively achieved, especially in some public places with large crowds and closed public rooms. The existing air purifiers are not good at comprehensive purification. Therefore, a plasma air purification and disinfection machine is proposed to address the above problems. Summary of the invention

[0004] In order to make up for the deficiencies of the prior art, the present invention proposes a plasma air purification and disinfection machine.

[0005] The technical solution adopted by the present invention to solve its technical problems is as follows: the plasma air purification and disinfection machine described in the present invention comprises a machine body, a disinfection unit is arranged in the machine body, and the disinfection unit comprises a primary filter module, an electrostatic ion adsorption module, a plasma catalytic module, a plasma disinfection module and a negative ion freshness module; a pair of symmetrical side walls of the machine body are movable plates, which are installed at the disassembly window of the machine body through a snap-on unit, and the interior of the machine body inside the disassembly window is sequentially installed with a primary filter module, an electrostatic ion adsorption module, a plasma catalytic module and a plasma disinfection module from bottom to top; the primary filter module is installed at the air inlet of the lower end side wall of the machine body; a negative ion freshness module is installed above the plasma disinfection module. Freshening module, the negative ion freshening module is placed at the air outlet on the top of the machine body; the plasma air purification and disinfection machine purifies and disinfects the air layer by layer. Compared with single-level purification, the air purification effect of the plasma air purification and disinfection machine is more thorough. At the same time, the plasma catalytic technology of the plasma purifier enables the directional movement of high-energy particles in the plasma to "smash" the proteins of bacteria, cells and viruses and destroy the integrity of genes. The low-temperature plasma technology breaks through the bottleneck of conventional biological control technology in inactivation time and inactivation efficiency, reducing the inactivation time by 2 orders of magnitude (milliseconds) and the inactivation efficiency is close to 100%. It is suitable for public places with dense populations and more bacteria and viruses, such as hospitals and nursing homes;

[0006] The movable plate is connected to the machine body through a snap-on unit, which facilitates the opening of the machine body disassembly window, thereby realizing the disassembly, removal, replacement or cleaning of the disinfection unit inside the machine body for reuse.

[0007] Preferably, a No. 1 clamping hole is symmetrically provided on the inner top surface of the disassembly window, and a No. 2 clamping hole is symmetrically provided on the inner bottom surface; a rectangular hole is provided on the movable plate of the disassembly window, a handle groove is provided in the rectangular hole, and a clamping unit is installed in the handle groove; the clamping unit comprises a cross bar, a clamping rod, a spring and a clamping pin; the clamping pin is symmetrically fixed to the lower end surface of the movable plate, and the clamping pin is embedded in the No. 2 clamping hole; the clamping rod symmetrically slides through the upper end surface of the movable plate, the upper end of the clamping rod is embedded in the No. 1 clamping hole, the lower end of the clamping rod is fixed to the end of the cross bar, and both ends of the cross bar pass through the handle groove The lower parts of the two ends of the cross bar are connected to the support plate provided on the inner wall of the movable plate through springs in the waist-shaped hole opened on the inner side; the cross bar is pressed down, and the cross bar presses down the two springs. At the same time, the cross bar drives the two clamping rods to move down, and the high end of the clamping rod disengages from the No. 1 clamping hole, and then the handle groove is pulled outward, and the movable plate is pushed up to make the clamping pin disengage from the No. 2 clamping hole. At this time, the movable plate can be easily removed, and the installation process is also simple. The clamping pin is correspondingly embedded in the No. 2 clamping hole, and the cross bar is pressed down. When the movable plate is placed in the disassembly window, the cross bar is released, and the upper end of the clamping rod is embedded in the No. 1 fixing hole.

[0008] Preferably, a sliding hole is provided at the lower end of the clamping rod, the sliding hole passes through the cross bar, a limiting rod is provided in the sliding hole, the limiting rod is placed in the inner ring of the spring, the lower end of the limiting rod is fixed to the support plate, and the upper sliding connection of the limiting rod is in the sliding hole; the limiting rod is used to limit the left and right swinging deviation of the clamping rod when it moves up, so that when the clamping rod moves up, the upper end of the clamping rod is accurately embedded in the No. 1 clamping hole to prevent the upper end of the clamping rod from hitting the periphery of the No. 1 clamping hole, causing the operator to mistakenly believe that the movable plate is completely and stably installed.

[0009] Preferably, wedge blocks are provided on the upper and lower side walls of the handle groove, the rear end of the wedge blocks presses against the inner side wall of the movable plate, and an elastic limit block is provided at the front end of the wedge block, the rear end of the elastic limit block presses against the front end surface of the support plate; the stability between the handle groove and the rectangular hole is improved by the wedge blocks, and the connection firmness between the handle groove and the movable plate is further enhanced by the elastic limit blocks.

[0010] Preferably, a dust cleaning unit is provided on the inner side of the air inlet, and the dust cleaning unit includes a servo motor, a screw rod, a cleaning rod and a dust filter cover; the dust filter cover is fixedly connected to the inner side of the air inlet, and one side of the dust filter cover is fixedly connected to the servo motor, the servo motor is connected to the screw rod through a gear drive, the screw rod rotates and penetrates the dust filter cover, and a cleaning rod is connected to the screw nut pair on the screw rod, and a brush is attached to the surface of the cleaning rod; the air is filtered for the first time through the dust filter cover to reduce the filtering pressure of the primary filter screen, and at the same time, large particles of dust adhered to the dust filter cover are cleaned away by the brush on the cleaning rod, so that the dust filter cover can effectively filter the air again, that is, when the fan stops working, the servo motor drives the cleaning rod to move back and forth multiple times through the screw rod to clean the dust on the dust filter cover.

[0011] Preferably, a collecting groove is provided under the dust filter cover, and the notch of the collecting groove is located below the cleaning rod; through the collecting groove, the dust cleaned by the dust filter cover falls into the collecting groove, preventing the dust from being deposited inside the dust filter cover and affecting the dust filter cover's filtering of newly incoming air.

[0012] Preferably, a rack is provided on the top side wall of the dust filter cover and at the notch of the collection groove, and a gear is provided at each end of the cleaning rod. The gear is meshed with the rack for transmission. The middle position of the cleaning rod is rotatably connected to a driving block, and the driving block lead screw nut pair is connected to the lead screw; the end of the cleaning rod is meshed with the rack through the gear, so that the cleaning rod makes a linear motion while making a rotational motion, the brush rotates, and the large particles adhered to itself are thrown off, thereby realizing the self-cleaning of the brush.

[0013] Preferably, the upper end of the clamping rod is chamfered; the lower end of the clamping pin is chamfered; the chamfers are provided to facilitate the clamping rod to be inserted into the No. 1 clamping hole and the clamping pin to be inserted into the No. 2 clamping hole.

[0014] The present invention is beneficial in that:

[0015] 1. The plasma air purification and disinfection machine purifies and disinfects the air layer by layer. Compared with single-level purification, the air purification effect of the plasma air purification and disinfection machine is more thorough. At the same time, the plasma catalytic technology of the plasma purifier enables the directional movement of high-energy particles in the plasma to "smash" the proteins of bacteria, cells and viruses and destroy the integrity of genes. The low-temperature plasma technology breaks through the bottleneck of conventional biological control technology in inactivation time and inactivation efficiency, reducing the inactivation time by 2 orders of magnitude (milliseconds) and the inactivation efficiency is close to 100%. It is suitable for public places with dense populations and more bacteria and viruses, such as hospitals and nursing homes;

[0016] 2. The movable plate is connected to the machine body through a snap-on unit, which facilitates the opening of the machine body disassembly window, thereby realizing the disassembly, removal, replacement or cleaning of the disinfection unit inside the machine body for reuse;

[0017] 3. The air is filtered for the first time through the dust filter cover to reduce the filtering pressure of the primary filter. At the same time, the large particles of dust adhering to the dust filter cover are cleaned off by the brush on the cleaning rod, so that the dust filter cover can effectively filter the air again. That is, when the fan stops working, the servo motor drives the cleaning rod to move back and forth multiple times through the screw rod to clean the dust on the dust filter cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a first stereoscopic view of the plasma air purification and disinfection machine in Example 1;

[0020] Figure 2 A second stereoscopic view of the plasma air purification and disinfection machine in Example 1;

[0021] Figure 3 This is a diagram showing the coordination between the clamping unit and the movable plate in the first embodiment;

[0022] Figure 4 for Figure 3 A partial enlarged view of the middle A;

[0023] Figure 5 is a three-dimensional diagram of the dust cleaning unit in the first embodiment;

[0024] Figure 6 is a cross-sectional view of the dust cleaning unit in the first embodiment;

[0025] Figure 7 This is a flow chart of air purification in Example 1;

[0026] In the figure: body 1, primary filtration module 2, electrostatic ion adsorption module 3, plasma catalysis module 4, plasma disinfection module 5, fan 51, negative ion fresh module 6, movable plate 7, disassembly window 8, air inlet 9, air outlet 10, No. 1 clamping hole 11, No. 2 clamping hole 12, handle slot 13, cross bar 14, clamping rod 15, spring 16, bayonet 17, waist-shaped hole 18, support plate 19, limit rod 21, wedge block 22, elastic limit block 23, servo motor 24, screw rod 25, cleaning rod 26, dust filter cover 27, collection tank 28, rack 29, drive block 30, universal wheel 31. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0028] Reference Figure 1-7, a plasma air purification and disinfection machine comprises a body 1, a disinfection unit is arranged in the body 1, and the disinfection unit comprises a primary filter module 2, an electrostatic ion adsorption module 3, a plasma catalytic module 4, a plasma disinfection module 5 and a negative ion fresh module 6; a pair of symmetrical side walls of the body 1 are movable plates 7, and the movable plates 7 are installed at the disassembly window 8 of the body 1 through a snap-on unit, and the body 1 inside the disassembly window 8 is sequentially installed with the primary filter module 2, the electrostatic ion adsorption module 3, the plasma catalytic module 4 and the plasma disinfection module 5 from bottom to top; the primary filter module 2 is installed at the air inlet 9 of the lower end side wall of the body 1; the plasma A negative ion fresh module 6 is installed above the sub-body disinfection module 5, and the negative ion fresh module 6 is placed at the air outlet 10 at the top of the body 1; the primary filter module 2 includes a primary filter screen, and the edge of the primary filter screen is horizontally fixed on the vertical beam inside the body 1 through a rectangular frame, and the air inlet 9 is below the primary filter screen, and the electrostatic ion adsorption module 3 is above it. The electrostatic ion adsorption module 3 includes an electrostatic ion box, and the electrostatic ion box is horizontally fixed on the vertical beam inside the body 1 through a rectangular frame. The lower end of the electrostatic ion box is attached to the primary filter screen, and an electrostatic ion generator is installed in the electrostatic ion box. The upper port of the electrostatic ion box is installed with a plasma catalysis module 4; the plasma catalyst The disinfection module 4 includes a plasma purifier, which is horizontally fixed to the vertical beam inside the body 1 through a rectangular frame, the air inlet end cover of the plasma purifier is attached to the upper port of the electrostatic ion box, and a plasma disinfection module 5 is installed above the plasma purifier; the plasma disinfection module 5 includes a plasma generator, which is horizontally fixed to the vertical beam inside the body 1 through a rectangular frame, the air inlet end cover of the plasma generator is attached to the air outlet end of the plasma purifier, the plasma generator is above a fan 51, and the fan 51 is above a negative ion fresh module 6, the negative ion fresh module 6 is a negative ion air purifier, and the ion air purifier is placed in the body 1. The air outlet 10 is located at the air outlet; a control panel is installed on the upper end surface of the machine body 1, and the control panel is used to control the start and stop of the machine body 1, drive the fan 51, and form a negative pressure in the machine body 1. The external gas first passes through the primary filter to filter out large particles in the air, and then the gas flows into the electrostatic ion box, and the electrostatic ion generator performs electrostatic dust removal on the air and sterilizes it at the same time, and then flows into the plasma purifier and the plasma generator in turn, where the air is deodorized and the VOC in the air is decomposed, and the air is sterilized again, and then the air flows through the fan 51 into the negative ion air purifier to neutralize the positive ions in the air, thereby achieving the effect of fresh air;The plasma air purification and disinfection machine purifies and disinfects the air layer by layer. Compared with single-level purification, the air purification effect of the plasma air purification and disinfection machine is more thorough. At the same time, the plasma catalytic technology of the plasma purifier enables the directional movement of high-energy particles in the plasma to "smash" the proteins of bacteria, cells and viruses and destroy the integrity of genes. The low-temperature plasma technology breaks through the bottleneck of conventional biological control technology in inactivation time and inactivation efficiency, reducing the inactivation time by 2 orders of magnitude to the millisecond level and the inactivation efficiency is close to 100%. It is suitable for public places with dense populations and more bacteria and viruses, such as hospitals and nursing homes;

[0029] The movable plate 7 is connected to the body 1 through a snap-on unit, which facilitates the opening of the disassembly window 8 of the body 1, thereby realizing the disassembly, removal, replacement or cleaning of the disinfection unit inside the body 1 for reuse.

[0030] A No. 1 clamping hole 11 is symmetrically formed on the inner top surface of the disassembly window 8, and a No. 2 clamping hole 12 is symmetrically formed on the inner bottom surface; a rectangular hole is formed on the movable plate 7 of the disassembly window 8, a handle groove 13 is provided in the rectangular hole, and a clamping unit is installed in the handle groove 13; the clamping unit includes a cross bar 14, a clamping rod 15, a spring 16 and a clamping pin 17; the clamping pin 17 is symmetrically fixed to the lower end surface of the movable plate 7, and the clamping pin 17 is embedded in the No. 2 clamping hole 12; the clamping rod 15 symmetrically slides through the upper end surface of the movable plate 7, the upper end of the clamping rod 15 is embedded in the No. 1 clamping hole 11, the lower end of the clamping rod 15 is fixed to the end of the cross bar 14, and the two ends of the cross bar 14 pass through the inner opening of the handle groove 13 The lower ends of the cross bar 14 are connected to the support plate 19 provided on the inner side wall of the movable plate 7 through the springs 16 in the waist-shaped hole 18 provided therein; the cross bar 14 is pressed down, and the cross bar 14 presses down the two springs 16, and at the same time, the cross bar 14 drives the two clamping rods 15 to move down, and the mountain high end of the clamping rod 15 is disengaged from the No. 1 clamping hole 11, and then the handle groove 13 is pulled outward, and the movable plate 7 is pushed up, so that the clamping pin 17 is disengaged from the No. 2 clamping hole 12, and the movable plate 7 can be easily removed at this time, and the installation process is also simple, the clamping pin 17 is correspondingly embedded in the No. 2 clamping hole 12, and the cross bar 14 is pressed down, and when the activity is placed in the disassembly window 8, the cross bar 14 is loosened, and the upper end of the clamping rod 15 is embedded in the No. 1 fixing hole.

[0031] A sliding hole is provided at the lower end of the clamping rod 15, and the sliding hole passes through the cross bar 14. A limiting rod 21 is provided in the sliding hole. The limiting rod 21 is placed in the inner circle of the spring 16. The lower end of the limiting rod 21 is fixed to the supporting plate 19, and the upper end of the limiting rod 21 is slidably connected to the sliding hole; the limiting rod 21 is used to limit the left and right swinging deviation of the clamping rod 15 when it moves up, so that when the clamping rod 15 moves up, the upper end of the clamping rod 15 is accurately embedded in the No. 1 clamping hole 11, so as to prevent the upper end of the clamping rod 15 from hitting the periphery of the No. 1 clamping hole 11, causing the operator to mistakenly believe that the movable plate 7 is completely and stably installed.

[0032] A wedge block 22 is provided on the upper and lower side walls of the handle groove 13, and the rear end of the wedge block 22 is pressed against the inner wall of the movable plate 7. An elastic limit block 23 is provided at the front end of the wedge block 22, and the rear end of the elastic limit block 23 is pressed against the front end surface of the support plate 19. The wedge block 22 is used to improve the stability between the handle groove 13 and the rectangular hole, and the elastic limit block 23 is used to further enhance the connection firmness between the handle groove 13 and the movable plate 7.

[0033] A dust cleaning unit is provided on the inner side of the air inlet 9, and the dust cleaning unit includes a servo motor 24, a screw rod 25, a cleaning rod 26 and a dust filter cover 27; the dust filter cover 27 is fixedly connected to the inner side of the air inlet 9, and one side of the dust filter cover 27 is fixedly connected to the servo motor 24, and the servo motor 24 is connected to the screw rod 25 through a gear drive, and the screw rod 25 rotates and penetrates the dust filter cover 27, and the screw nut pair on the screw rod 25 is connected to the cleaning rod 26, and a brush is attached to the surface of the cleaning rod 26; the air is filtered for the first time through the dust filter cover 27 to reduce the filtering pressure of the primary filter screen, and at the same time, large particles of dust adhered to the dust filter cover 27 are cleaned off by the brush on the cleaning rod 26, so that the dust filter cover 27 can effectively filter the air again, that is, when the fan 51 stops working, the servo motor 24 drives the cleaning rod 26 to move back and forth multiple times through the screw rod 25 to clean the dust on the dust filter cover 27.

[0034] A collecting groove 28 is provided below the dust filter cover 27, and the notch of the collecting groove 28 is located below the cleaning rod 26; through the collecting groove 28, the dust cleaned by the dust filter cover 27 falls into the collecting groove 28, preventing the dust from being deposited inside the dust filter cover 27 and affecting the dust filter cover 27 from filtering the newly incoming air.

[0035] A rack 29 is provided on the top side wall of the dust filter cover 27 and at the notch of the collection groove 28. A gear is provided at each end of the cleaning rod 26. The gear is meshed with the rack 29 for transmission. A driving block 30 is rotatably connected to the middle position of the cleaning rod 26. The driving block 30 is connected to the screw 25 by a lead screw nut pair. The end of the cleaning rod 26 is meshed with the rack 29 through a gear, so that the cleaning rod 26 performs linear motion while performing rotational motion. The brush rotates and throws off large particles adhering to itself, thereby realizing self-cleaning of the brush.

[0036] The upper end of the clamping rod 15 is chamfered; the lower end of the clamping pin 17 is chamfered; the chamfers are provided to facilitate the clamping rod 15 to be inserted into the first clamping hole 11 and the clamping pin 17 to be inserted into the second clamping hole 12. Example

[0037] Comparative Example 1 is another embodiment of the present invention, in which universal wheels 31 are provided at the four corners of the lower end surface of the body 1, and the operator puts his hands in the handle groove 13 and then pushes the body 1 to facilitate the movement of the body 1.

[0038] Working principle: The fan 51 is driven to form a negative pressure in the machine body 1. The external gas first passes through the primary filter to filter out large particles in the air, and then the gas flows into the electrostatic ion box. The electrostatic ion generator performs electrostatic dust removal on the air and sterilizes it at the same time. Then the gas flows into the plasma purifier and the plasma generator in turn. The air is deodorized here and the VOC in the air is decomposed. At the same time, the air is sterilized again. Then the air flows through the fan 51 and enters the negative ion air purifier to neutralize the positive ions in the air to achieve the effect of fresh air. The plasma air purification and disinfection machine purifies and disinfects the air layer by layer. Compared with single-level purification, the air purification effect of the plasma air purification and disinfection machine is more thorough. At the same time, the plasma catalytic technology of the plasma purifier enables the directional movement of high-energy particles in the plasma to "smash" the proteins of bacteria, cells and viruses and destroy the integrity of genes. The low-temperature plasma technology breaks through the bottleneck of conventional biological control technology in inactivation time and inactivation efficiency, reduces the inactivation time by 2 orders of magnitude to the millisecond level and the inactivation efficiency is close to 100%. It is suitable for public places with dense populations and a large number of bacteria and viruses, such as hospitals and nursing homes.

[0039] The movable plate 7 is connected to the body 1 through a snap-on unit, which facilitates the opening of the disassembly window 8 of the body 1, thereby realizing the disassembly, removal, replacement or cleaning of the disinfection unit inside the body 1 for reuse;

[0040] Press down the cross bar 14, the cross bar 14 presses down the two springs 16, and at the same time the cross bar 14 drives the two clamping rods 15 to move down, the mountain top end of the clamping rod 15 disengages from the No. 1 clamping hole 11, and then pulls the handle groove 13 outward, and pushes up the movable plate 7, so that the clamping pin 17 disengages from the No. 2 clamping hole 12, and the movable plate 7 can be easily removed at this time. The installation process is also simple, the clamping pin 17 is correspondingly embedded in the No. 2 clamping hole 12, and the cross bar 14 is pressed down. When the movable is placed in the disassembly window 8, the cross bar 14 is released, and the upper end of the clamping rod 15 is embedded in the No. 1 fixing hole;

[0041] The limit rod 21 is used to limit the left and right swing deviation of the clamping rod 15 when it moves up and down, so that when the clamping rod 15 moves up, the upper end of the clamping rod 15 is accurately embedded in the No. 1 clamping hole 11, preventing the upper end of the clamping rod 15 from hitting the periphery of the No. 1 clamping hole 11, causing the operator to mistakenly believe that the movable plate 7 is completely and stably installed;

[0042] The wedge block 22 is used to improve the stability between the handle groove 13 and the rectangular hole, and the elastic limit block 23 is used to further enhance the connection firmness between the handle groove 13 and the movable plate 7;

[0043] The air is filtered for the first time through the dust filter cover 27 to reduce the filtering pressure of the primary filter screen. At the same time, the large dust particles adhering to the dust filter cover 27 are cleaned off by the brush on the cleaning rod 26, so that the dust filter cover 27 can effectively filter the air again. That is, when the fan 51 stops working, the servo motor 24 drives the cleaning rod 26 to move back and forth multiple times through the screw rod 25 to clean the dust on the dust filter cover 27.

[0044] The dust removed by the dust filter cover 27 falls into the collecting groove 28 to prevent the dust from being deposited inside the dust filter cover 27 and affecting the filtration of the newly-incoming air by the dust filter cover 27.

[0045] The end of the cleaning rod 26 meshes with the rack 29 through a gear, so that the cleaning rod 26 performs linear motion while performing rotational motion. The brush rotates and throws off the large particles adhering to itself, thereby achieving self-cleaning of the brush.

[0046] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. Plasma air purification and disinfection machine, characterized by: The invention comprises a body (1), wherein a disinfection unit is arranged in the body (1), and the disinfection unit comprises a primary filter module (2), an electrostatic ion adsorption module (3), a plasma catalytic module (4), a plasma disinfection module (5) and a negative ion freshening module (6); a pair of symmetrical side walls of the body (1) are movable plates (7), and the movable plates (7) are mounted at a disassembly window (8) of the body (1) through a snap-on unit, and the body (1) inside the disassembly window (8) is sequentially mounted with the primary filter module (2), the electrostatic ion adsorption module (3), the plasma catalytic module (4) and the plasma disinfection module (5) from bottom to top; the primary filter module (2) is mounted at an air inlet (9) on the side wall at the lower end of the body (1); a negative ion freshening module (6) is mounted above the plasma disinfection module (5), and the negative ion freshening module (6) is placed at an air outlet (10) at the top of the body (1); The inner top surface of the disassembly window (8) is symmetrically provided with a No. 1 clamping hole (11), and the inner bottom surface is symmetrically provided with a No. 2 clamping hole (12); the movable plate (7) of the disassembly window (8) is provided with a rectangular hole, a handle groove (13) is provided in the rectangular hole, and a clamping unit is installed in the handle groove (13); the clamping unit comprises a cross bar (14), a clamping rod (15), a spring (16) and a clamping pin (17); the clamping pin (17) is symmetrically fixed to the lower end surface of the movable plate (7), and the clamping pin (17) is symmetrically fixed to the lower end surface of the movable plate (7). 7) is embedded in the second clamping hole (12); the clamping rod (15) symmetrically slides through the upper end surface of the movable plate (7), the upper end of the clamping rod (15) is embedded in the first clamping hole (11), the lower end of the clamping rod (15) is fixedly connected to the end of the cross bar (14), the two ends of the cross bar (14) pass through the waist-shaped hole (18) opened on the inner side of the handle groove (13), and the lower ends of the cross bar (14) are connected to the support plate (19) provided on the inner side wall of the movable plate (7) through the spring (16); The lower end of the clamping rod (15) is provided with a sliding hole, the sliding hole passes through the cross bar (14), a limiting rod (21) is provided in the sliding hole, the limiting rod (21) is placed in the inner circle of the spring (16), the lower end of the limiting rod (21) is fixed to the supporting plate (19), and the upper end of the limiting rod (21) is slidably connected in the sliding hole; The upper and lower side walls of the handle groove (13) are provided with wedge blocks (22), the rear end of the wedge blocks (22) is pressed against the inner side wall of the movable plate (7), the front end of the wedge blocks (22) is provided with elastic limit blocks (23), and the rear end of the elastic limit blocks (23) is pressed against the front end surface of the support plate (19).

2. The plasma air purification and disinfection machine according to claim 1, characterized in that: A dust cleaning unit is provided on the inner side of the air inlet (9), and the dust cleaning unit comprises a servo motor (24), a screw rod (25), a cleaning rod (26) and a dust filter cover (27); the dust filter cover (27) is fixedly connected to the inner side of the air inlet (9); one side of the dust filter cover (27) is fixedly connected to the servo motor (24); the servo motor (24) is connected to the screw rod (25) through a gear drive; the screw rod (25) rotates and penetrates the dust filter cover (27); a cleaning rod (26) is connected to a screw nut pair on the screw rod (25); a brush is attached to the surface of the cleaning rod (26).

3. The plasma air purification and disinfection machine according to claim 2, characterized in that: A collecting groove (28) is provided below the dust filter cover (27), and a notch of the collecting groove (28) is located below the cleaning rod (26).

4. The plasma air purification and disinfection machine according to claim 3, characterized in that: A rack (29) is provided on the top side wall of the dust filter cover (27) and at the notch of the collection groove (28). A gear is provided at each end of the cleaning rod (26). The gear is meshed with the rack (29) for transmission. A driving block (30) is rotatably connected to the middle position of the cleaning rod (26). The driving block (30) is connected to the lead screw (25) through a lead screw nut pair.

5. The plasma air purification and disinfection machine according to claim 1, characterized in that: The upper end of the clamping rod (15) is chamfered; the lower end of the clamping pin (17) is chamfered.

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